From 453ed90d1395a5281a8f1a0de5d8aabc66202e34 Mon Sep 17 00:00:00 2001 From: Latchesar Ionkov Date: Sun, 5 Apr 2009 16:22:16 -0500 Subject: [PATCH 001/478] net/9p: set correct stat size when sending Twstat messages The 9P2000 Twstat message requires the size of the stat structure to be specified. Currently the 9p code writes zero instead of the actual size. This behavior confuses some of the file servers that check if the size is correct. This patch adds a new function that calculcates the stat size and puts the value in the appropriate place in the 9P message. Signed-off-by: Latchesar Ionkov Reviewed-by: Eric Van Hensbergen --- net/9p/client.c | 34 +++++++++++++++++++++++++++++++--- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/net/9p/client.c b/net/9p/client.c index 1eb580c38fbb..93f442aaa119 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1251,12 +1251,42 @@ error: } EXPORT_SYMBOL(p9_client_stat); +static int p9_client_statsize(struct p9_wstat *wst, int optional) +{ + int ret; + + /* size[2] type[2] dev[4] qid[13] */ + /* mode[4] atime[4] mtime[4] length[8]*/ + /* name[s] uid[s] gid[s] muid[s] */ + ret = 2+2+4+13+4+4+4+8+2+2+2+2; + + if (wst->name) + ret += strlen(wst->name); + if (wst->uid) + ret += strlen(wst->uid); + if (wst->gid) + ret += strlen(wst->gid); + if (wst->muid) + ret += strlen(wst->muid); + + if (optional) { + ret += 2+4+4+4; /* extension[s] n_uid[4] n_gid[4] n_muid[4] */ + if (wst->extension) + ret += strlen(wst->extension); + } + + return ret; +} + int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst) { int err; struct p9_req_t *req; struct p9_client *clnt; + err = 0; + clnt = fid->clnt; + wst->size = p9_client_statsize(wst, clnt->dotu); P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid); P9_DPRINTK(P9_DEBUG_9P, " sz=%x type=%x dev=%x qid=%x.%llx.%x\n" @@ -1268,10 +1298,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst) wst->atime, wst->mtime, (unsigned long long)wst->length, wst->name, wst->uid, wst->gid, wst->muid, wst->extension, wst->n_uid, wst->n_gid, wst->n_muid); - err = 0; - clnt = fid->clnt; - req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, 0, wst); + req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size, wst); if (IS_ERR(req)) { err = PTR_ERR(req); goto error; From 742b11a7ec60faa25d76c95c268041ab215c25ad Mon Sep 17 00:00:00 2001 From: Latchesar Ionkov Date: Sun, 5 Apr 2009 16:26:41 -0500 Subject: [PATCH 002/478] net/9p: return error when p9_client_stat fails p9_client_stat function doesn't return correct value if it fails. p9_client_stat should return ERR_PTR of the error value when it fails. Instead, it always returns a value to the allocated p9_wstat struct even when it is not populated correctly. This patch makes p9_client_stat to handle failure correctly. Signed-off-by: Latchesar Ionkov Reviewed-by: Eric Van Hensbergen --- net/9p/client.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/9p/client.c b/net/9p/client.c index 93f442aaa119..781d89a952e4 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1244,10 +1244,14 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid) ret->name, ret->uid, ret->gid, ret->muid, ret->extension, ret->n_uid, ret->n_gid, ret->n_muid); + p9_free_req(clnt, req); + return ret; + free_and_error: p9_free_req(clnt, req); error: - return ret; + kfree(ret); + return ERR_PTR(err); } EXPORT_SYMBOL(p9_client_stat); From 1bab88b2310998de18b32529a27ea835d164254a Mon Sep 17 00:00:00 2001 From: Latchesar Ionkov Date: Sun, 5 Apr 2009 16:28:59 -0500 Subject: [PATCH 003/478] net/9p: handle correctly interrupted 9P requests Currently the 9p code crashes when a operation is interrupted, i.e. for example when the user presses ^C while reading from a file. This patch fixes the code that is responsible for interruption and flushing of 9P operations. Signed-off-by: Latchesar Ionkov --- include/net/9p/client.h | 1 - net/9p/client.c | 74 +++++++++++------------------------------ net/9p/trans_fd.c | 14 +++++--- net/9p/trans_rdma.c | 1 + net/9p/trans_virtio.c | 1 + 5 files changed, 30 insertions(+), 61 deletions(-) diff --git a/include/net/9p/client.h b/include/net/9p/client.h index 4012e07162e5..e26812274b75 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -98,7 +98,6 @@ enum p9_req_status_t { struct p9_req_t { int status; int t_err; - u16 flush_tag; wait_queue_head_t *wq; struct p9_fcall *tc; struct p9_fcall *rc; diff --git a/net/9p/client.c b/net/9p/client.c index 781d89a952e4..dd43a8289b0d 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -203,7 +203,6 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag) p9pdu_reset(req->tc); p9pdu_reset(req->rc); - req->flush_tag = 0; req->tc->tag = tag-1; req->status = REQ_STATUS_ALLOC; @@ -324,35 +323,9 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r) */ void p9_client_cb(struct p9_client *c, struct p9_req_t *req) { - struct p9_req_t *other_req; - unsigned long flags; - P9_DPRINTK(P9_DEBUG_MUX, " tag %d\n", req->tc->tag); - - if (req->status == REQ_STATUS_ERROR) - wake_up(req->wq); - - if (req->flush_tag) { /* flush receive path */ - P9_DPRINTK(P9_DEBUG_9P, "<<< RFLUSH %d\n", req->tc->tag); - spin_lock_irqsave(&c->lock, flags); - other_req = p9_tag_lookup(c, req->flush_tag); - if (other_req->status != REQ_STATUS_FLSH) /* stale flush */ - spin_unlock_irqrestore(&c->lock, flags); - else { - other_req->status = REQ_STATUS_FLSHD; - spin_unlock_irqrestore(&c->lock, flags); - wake_up(other_req->wq); - } - p9_free_req(c, req); - } else { /* normal receive path */ - P9_DPRINTK(P9_DEBUG_MUX, "normal: tag %d\n", req->tc->tag); - spin_lock_irqsave(&c->lock, flags); - if (req->status != REQ_STATUS_FLSHD) - req->status = REQ_STATUS_RCVD; - spin_unlock_irqrestore(&c->lock, flags); - wake_up(req->wq); - P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag); - } + wake_up(req->wq); + P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag); } EXPORT_SYMBOL(p9_client_cb); @@ -486,9 +459,15 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq) if (IS_ERR(req)) return PTR_ERR(req); - req->flush_tag = oldtag; - /* we don't free anything here because RPC isn't complete */ + /* if we haven't received a response for oldreq, + remove it from the list. */ + spin_lock(&c->lock); + if (oldreq->status == REQ_STATUS_FLSH) + list_del(&oldreq->req_list); + spin_unlock(&c->lock); + + p9_free_req(c, req); return 0; } @@ -509,7 +488,6 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) struct p9_req_t *req; unsigned long flags; int sigpending; - int flushed = 0; P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type); @@ -546,42 +524,28 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) goto reterr; } - /* if it was a flush we just transmitted, return our tag */ - if (type == P9_TFLUSH) - return req; -again: P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d\n", req->wq, tag); err = wait_event_interruptible(*req->wq, req->status >= REQ_STATUS_RCVD); - P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d (flushed=%d)\n", - req->wq, tag, err, flushed); + P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d\n", + req->wq, tag, err); if (req->status == REQ_STATUS_ERROR) { P9_DPRINTK(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err); err = req->t_err; - } else if (err == -ERESTARTSYS && flushed) { - P9_DPRINTK(P9_DEBUG_MUX, "flushed - going again\n"); - goto again; - } else if (req->status == REQ_STATUS_FLSHD) { - P9_DPRINTK(P9_DEBUG_MUX, "flushed - erestartsys\n"); - err = -ERESTARTSYS; } - if ((err == -ERESTARTSYS) && (c->status == Connected) && (!flushed)) { + if ((err == -ERESTARTSYS) && (c->status == Connected)) { P9_DPRINTK(P9_DEBUG_MUX, "flushing\n"); - spin_lock_irqsave(&c->lock, flags); - if (req->status == REQ_STATUS_SENT) - req->status = REQ_STATUS_FLSH; - spin_unlock_irqrestore(&c->lock, flags); sigpending = 1; - flushed = 1; clear_thread_flag(TIF_SIGPENDING); - if (c->trans_mod->cancel(c, req)) { - err = p9_client_flush(c, req); - if (err == 0) - goto again; - } + if (c->trans_mod->cancel(c, req)) + p9_client_flush(c, req); + + /* if we received the response anyway, don't signal error */ + if (req->status == REQ_STATUS_RCVD) + err = 0; } if (sigpending) { diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index c613ed08a5ee..a2a1814c7a8d 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -213,8 +213,8 @@ static void p9_conn_cancel(struct p9_conn *m, int err) spin_unlock_irqrestore(&m->client->lock, flags); list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) { - list_del(&req->req_list); P9_DPRINTK(P9_DEBUG_ERROR, "call back req %p\n", req); + list_del(&req->req_list); p9_client_cb(m->client, req); } } @@ -336,7 +336,8 @@ static void p9_read_work(struct work_struct *work) "mux %p pkt: size: %d bytes tag: %d\n", m, n, tag); m->req = p9_tag_lookup(m->client, tag); - if (!m->req) { + if (!m->req || (m->req->status != REQ_STATUS_SENT && + m->req->status != REQ_STATUS_FLSH)) { P9_DPRINTK(P9_DEBUG_ERROR, "Unexpected packet tag %d\n", tag); err = -EIO; @@ -361,10 +362,11 @@ static void p9_read_work(struct work_struct *work) if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */ P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n"); spin_lock(&m->client->lock); + if (m->req->status != REQ_STATUS_ERROR) + m->req->status = REQ_STATUS_RCVD; list_del(&m->req->req_list); spin_unlock(&m->client->lock); p9_client_cb(m->client, m->req); - m->rbuf = NULL; m->rpos = 0; m->rsize = 0; @@ -454,6 +456,7 @@ static void p9_write_work(struct work_struct *work) req = list_entry(m->unsent_req_list.next, struct p9_req_t, req_list); req->status = REQ_STATUS_SENT; + P9_DPRINTK(P9_DEBUG_TRANS, "move req %p\n", req); list_move_tail(&req->req_list, &m->req_list); m->wbuf = req->tc->sdata; @@ -683,12 +686,13 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req) P9_DPRINTK(P9_DEBUG_TRANS, "client %p req %p\n", client, req); spin_lock(&client->lock); - list_del(&req->req_list); if (req->status == REQ_STATUS_UNSENT) { + list_del(&req->req_list); req->status = REQ_STATUS_FLSHD; ret = 0; - } + } else if (req->status == REQ_STATUS_SENT) + req->status = REQ_STATUS_FLSH; spin_unlock(&client->lock); diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index 7fa0eb20b2f6..ac4990041ebb 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -295,6 +295,7 @@ handle_recv(struct p9_client *client, struct p9_trans_rdma *rdma, goto err_out; req->rc = c->rc; + req->status = REQ_STATUS_RCVD; p9_client_cb(client, req); return; diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 2d7781ec663b..bb8579a141a8 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -134,6 +134,7 @@ static void req_done(struct virtqueue *vq) P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc); P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag); req = p9_tag_lookup(chan->client, rc->tag); + req->status = REQ_STATUS_RCVD; p9_client_cb(chan->client, req); } } From 38089c658bf372adc2bd7b3597fceac0c7cecca6 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 7 Apr 2009 16:35:56 +0200 Subject: [PATCH 004/478] HID: hidraw -- fix missing unlocks in unlocked_ioctl There were 2 places that returned directly instead of releasing their locks. I sent a fix for this file earlier but ended up missing these spots. I think what happened is that I have improved my checker script since then... Or maybe I just screwed up. Signed-off-by: Dan Carpenter Signed-off-by: Jiri Kosina --- drivers/hid/hidraw.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index e263d4731179..00ccf4b1985d 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -285,8 +285,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) { int len; - if (!hid->name) - return 0; + if (!hid->name) { + ret = 0; + break; + } len = strlen(hid->name) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); @@ -297,8 +299,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) { int len; - if (!hid->phys) - return 0; + if (!hid->phys) { + ret = 0; + break; + } len = strlen(hid->phys) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); From 035a571120ddbe4f92b91bbe46f3eff05b6e43eb Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Tue, 7 Apr 2009 07:40:57 +0800 Subject: [PATCH 005/478] ocfs2: Reserve 1 more cluster in expanding_inline_dir for indexed dir. In ocfs2_expand_inline_dir, we calculate whether we need 1 extra cluster if we can't store the dx inline the root and save it in dx_alloc. So add it when we call ocfs2_reserve_clusters. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index e71160cda110..07d89204f0d3 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2934,7 +2934,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, */ BUG_ON(alloc > 2); - ret = ocfs2_reserve_clusters(osb, alloc, &data_ac); + ret = ocfs2_reserve_clusters(osb, alloc + dx_alloc, &data_ac); if (ret) { mlog_errno(ret); goto out; From f544847fbaf099278343f875987a983f2b913134 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Tue, 14 Apr 2009 14:17:47 -0700 Subject: [PATCH 006/478] drm/i915: allow tiled front buffers on 965+ This patch corrects a pretty big oversight in the KMS code for 965+ chips. The current code is missing tiled surface register programming, so userland can allocate a tiled surface and use it for mode setting, resulting in corruption. This patch fixes that, allowing for tiled front buffers on 965+. Cc: stable@kernel.org Tested-by: Arkadiusz Miskiewicz Signed-off-by: Jesse Barnes Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_display.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e805b590ae71..521194732266 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1446,6 +1446,7 @@ #define DISPPLANE_NO_LINE_DOUBLE 0 #define DISPPLANE_STEREO_POLARITY_FIRST 0 #define DISPPLANE_STEREO_POLARITY_SECOND (1<<18) +#define DISPPLANE_TILED (1<<10) #define DSPAADDR 0x70184 #define DSPASTRIDE 0x70188 #define DSPAPOS 0x7018C /* reserved */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c2c8e95ff14d..bdcda36953b0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -657,6 +657,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR); int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; + int dsptileoff = (pipe == 0 ? DSPATILEOFF : DSPBTILEOFF); int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; u32 dspcntr, alignment; int ret; @@ -733,6 +734,13 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, mutex_unlock(&dev->struct_mutex); return -EINVAL; } + if (IS_I965G(dev)) { + if (obj_priv->tiling_mode != I915_TILING_NONE) + dspcntr |= DISPPLANE_TILED; + else + dspcntr &= ~DISPPLANE_TILED; + } + I915_WRITE(dspcntr_reg, dspcntr); Start = obj_priv->gtt_offset; @@ -745,6 +753,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, I915_READ(dspbase); I915_WRITE(dspsurf, Start); I915_READ(dspsurf); + I915_WRITE(dsptileoff, (y << 16) | x); } else { I915_WRITE(dspbase, Start + Offset); I915_READ(dspbase); From 243b706d8a71364ad6080328d45b73516c8af5f3 Mon Sep 17 00:00:00 2001 From: Christophe Borivant Date: Fri, 17 Apr 2009 11:39:39 +0200 Subject: [PATCH 007/478] HID: Add support for the G25 force feedback wheel in native mode Add Product Id 0xc299 for the Logitech G25 force feedback wheel The Logitech G25 force feedback wheel, is first recognize by the kernel with the product id "0xc294". In this mode, we can't use all the axes and buttons of the wheel. Using a userland utility, it is possible to make the wheel switch to native mode -- http://svn.vdrift.net/viewvc.cgi/trunk/tools/G25manage/?root=VDrift In native mode, the wheel change its id number to "0xc299". The packet that needs to be sent to the wheel to swtich to native mode and change its PID is { 0xf8, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00 } Signed-off-by: Christophe Borivant Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 1 + drivers/hid/hid-ids.h | 1 + drivers/hid/hid-lg.c | 2 ++ 3 files changed, 4 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5746a5903bce..c7075d2b0786 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1293,6 +1293,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index bdeda4c7cc13..aa1b995dd033 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -292,6 +292,7 @@ #define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 +#define USB_DEVICE_ID_LOGITECH_G25_WHEEL 0xc299 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a #define USB_DEVICE_ID_S510_RECEIVER 0xc50c #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 7b80cb694982..7afbaa0efd18 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -297,6 +297,8 @@ static const struct hid_device_id lg_devices[] = { .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2), .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL), + .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), .driver_data = LG_FF2 }, { } From 07f4f8bf436e3f389a12cb792ad16275b9091b51 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 16 Apr 2009 13:46:12 -0700 Subject: [PATCH 008/478] drm/i915: Don't let an oops get triggered from irq_emit without dma init. Userland is broken if it's trying this, but we also shouldn't allow oopses. Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index ee7ce7b78cf7..98bb4c878c4e 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -406,7 +406,7 @@ int i915_irq_emit(struct drm_device *dev, void *data, drm_i915_irq_emit_t *emit = data; int result; - if (!dev_priv) { + if (!dev_priv || !dev_priv->ring.virtual_start) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } From 5b0bdd6f7284ed39ee553f8a8c4f0d372c87133a Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Thu, 16 Apr 2009 15:17:39 -0700 Subject: [PATCH 009/478] drm/i915: fix transition to I915_TILING_NONE Transitions to TILING_NONE skipped the call to unbind the object, which left the fence register set and caused future CPU access through the GTT to access the object in tiled mode. Signed-off-by: Keith Packard Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_gem_tiling.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index f27e523c764f..52a059354e83 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -283,7 +283,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, mutex_lock(&dev->struct_mutex); if (args->tiling_mode == I915_TILING_NONE) { - obj_priv->tiling_mode = I915_TILING_NONE; args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE; } else { if (args->tiling_mode == I915_TILING_X) From d770e3cfe5a274a343d896b2cc1646af85646fbc Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 15 Apr 2009 21:46:36 +0100 Subject: [PATCH 010/478] drm/i915: Register ACPI video even when not modesetting The ACPI video driver defers registration to the i915 driver if the system supports opregion-mediated backlight control. This registration was only being performed in the KMS case. Ensure it's done even if we don't have modesetting enabled. Signed-off-by: Matthew Garrett Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_opregion.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 69427722d20e..8dc1fd3115c2 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -370,11 +370,8 @@ int intel_opregion_init(struct drm_device *dev, int resume) if (mboxes & MBOX_ACPI) { DRM_DEBUG("Public ACPI methods supported\n"); opregion->acpi = base + OPREGION_ACPI_OFFSET; - if (drm_core_check_feature(dev, DRIVER_MODESET)) { + if (drm_core_check_feature(dev, DRIVER_MODESET)) intel_didl_outputs(dev); - if (!resume) - acpi_video_register(); - } } else { DRM_DEBUG("Public ACPI methods not supported\n"); err = -ENOTSUPP; @@ -391,6 +388,10 @@ int intel_opregion_init(struct drm_device *dev, int resume) opregion->asle = base + OPREGION_ASLE_OFFSET; } + if (!resume) + acpi_video_register(); + + /* Notify BIOS we are ready to handle ACPI video ext notifs. * Right now, all the events are handled by the ACPI video module. * We don't actually need to do anything with them. */ From 3b1c1c1118880921da1188b7245e0470742802f8 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 1 Apr 2009 19:52:29 +0100 Subject: [PATCH 011/478] drm/i915: Unregister ACPI video driver when exiting The i915 DRM triggers registration of the ACPI video driver on load. It should unregister it at unload in order to avoid generating backtraces on being reloaded. Signed-off-by: Matthew Garrett Signed-off-by: Eric Anholt --- drivers/acpi/video.c | 3 ++- drivers/gpu/drm/i915/i915_dma.c | 2 +- drivers/gpu/drm/i915/i915_drv.c | 2 +- drivers/gpu/drm/i915/i915_drv.h | 4 ++-- drivers/gpu/drm/i915/i915_opregion.c | 5 ++++- include/acpi/video.h | 2 ++ 6 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index cd4fb7543a90..8961e613e093 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -2293,7 +2293,7 @@ static int __init acpi_video_init(void) return acpi_video_register(); } -static void __exit acpi_video_exit(void) +void __exit acpi_video_exit(void) { acpi_bus_unregister_driver(&acpi_video_bus); @@ -2302,6 +2302,7 @@ static void __exit acpi_video_exit(void) return; } +EXPORT_SYMBOL(acpi_video_exit); module_init(acpi_video_init); module_exit(acpi_video_exit); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index a000cf028826..272614389c02 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1232,7 +1232,7 @@ int i915_driver_unload(struct drm_device *dev) if (dev_priv->regs != NULL) iounmap(dev_priv->regs); - intel_opregion_free(dev); + intel_opregion_free(dev, 0); if (drm_core_check_feature(dev, DRIVER_MODESET)) { intel_modeset_cleanup(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 6503e2210f65..98560e1e899a 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -77,7 +77,7 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) drm_irq_uninstall(dev); } - intel_opregion_free(dev); + intel_opregion_free(dev, 1); if (state.event == PM_EVENT_SUSPEND) { /* Shut down the device */ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 473a8f7fbdb5..d7471fe1beb1 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -674,12 +674,12 @@ extern int i915_restore_state(struct drm_device *dev); #ifdef CONFIG_ACPI /* i915_opregion.c */ extern int intel_opregion_init(struct drm_device *dev, int resume); -extern void intel_opregion_free(struct drm_device *dev); +extern void intel_opregion_free(struct drm_device *dev, int suspend); extern void opregion_asle_intr(struct drm_device *dev); extern void opregion_enable_asle(struct drm_device *dev); #else static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; } -static inline void intel_opregion_free(struct drm_device *dev) { return; } +static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; } static inline void opregion_asle_intr(struct drm_device *dev) { return; } static inline void opregion_enable_asle(struct drm_device *dev) { return; } #endif diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 8dc1fd3115c2..3eceefe3475f 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -409,7 +409,7 @@ err_out: return err; } -void intel_opregion_free(struct drm_device *dev) +void intel_opregion_free(struct drm_device *dev, int suspend) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; @@ -417,6 +417,9 @@ void intel_opregion_free(struct drm_device *dev) if (!opregion->enabled) return; + if (!suspend) + acpi_video_exit(); + opregion->acpi->drdy = 0; system_opregion = NULL; diff --git a/include/acpi/video.h b/include/acpi/video.h index f0275bb79ce4..af6fe95fd3d0 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -3,8 +3,10 @@ #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE) extern int acpi_video_register(void); +extern int acpi_video_exit(void); #else static inline int acpi_video_register(void) { return 0; } +static inline void acpi_video_exit(void) { return; } #endif #endif From 44ab43155e8071fbf037513e57de9a79044edf56 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 1 Apr 2009 19:53:33 +0100 Subject: [PATCH 012/478] drm/i915: Enable ASLE if present The changes to opregion initialisation order meant that the ASLE setup code might not be run at the correct time. Ensure that the interrupts are set up. Signed-off-by: Matthew Garrett Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_opregion.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 3eceefe3475f..dc425e74a268 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -386,6 +386,7 @@ int intel_opregion_init(struct drm_device *dev, int resume) if (mboxes & MBOX_ASLE) { DRM_DEBUG("ASLE supported\n"); opregion->asle = base + OPREGION_ASLE_OFFSET; + opregion_enable_asle(dev); } if (!resume) From 0f751719e4e689efbe537233552e5f0529ecb8ce Mon Sep 17 00:00:00 2001 From: Ben Nizette Date: Fri, 17 Apr 2009 20:35:57 -0700 Subject: [PATCH 013/478] Input: omap-keypad - use disable_irq_nosync() in irq handler disable_irq() waits for all running handlers to complete before returning. As such, if it's used to disable an interrupt from that interrupt's handler it will deadlock. This replaces the dangerous instances with the _nosync() variant which doesn't have this problem. Signed-off-by: Ben Nizette Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/omap-keypad.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index 058fa8b02c21..87ec7b18ac69 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -100,8 +100,20 @@ static irqreturn_t omap_kp_interrupt(int irq, void *dev_id) /* disable keyboard interrupt and schedule for handling */ if (cpu_is_omap24xx()) { int i; - for (i = 0; i < omap_kp->rows; i++) - disable_irq(gpio_to_irq(row_gpios[i])); + + for (i = 0; i < omap_kp->rows; i++) { + int gpio_irq = gpio_to_irq(row_gpios[i]); + /* + * The interrupt which we're currently handling should + * be disabled _nosync() to avoid deadlocks waiting + * for this handler to complete. All others should + * be disabled the regular way for SMP safety. + */ + if (gpio_irq == irq) + disable_irq_nosync(gpio_irq); + else + disable_irq(gpio_irq); + } } else /* disable keyboard interrupt and schedule for handling */ omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); From e4bd3e591c8cc52ccf7a0b27f33aa7a5a19058d7 Mon Sep 17 00:00:00 2001 From: Ben Nizette Date: Fri, 17 Apr 2009 20:35:57 -0700 Subject: [PATCH 014/478] Input: sa1111ps2 - use disable_irq_nosync() in irq handlers disable_irq() waits for all running handlers to complete before returning. As such, if it's used to disable an interrupt from that interrupt's handler it will deadlock. This replaces the dangerous instances with the _nosync() variant which doesn't have this problem. Signed-off-by: Ben Nizette Signed-off-by: Dmitry Torokhov --- drivers/input/serio/sa1111ps2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c index 57953c0eb82f..f412c69478a8 100644 --- a/drivers/input/serio/sa1111ps2.c +++ b/drivers/input/serio/sa1111ps2.c @@ -77,7 +77,7 @@ static irqreturn_t ps2_txint(int irq, void *dev_id) spin_lock(&ps2if->lock); status = sa1111_readl(ps2if->base + SA1111_PS2STAT); if (ps2if->head == ps2if->tail) { - disable_irq(irq); + disable_irq_nosync(irq); /* done */ } else if (status & PS2STAT_TXE) { sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + SA1111_PS2DATA); From 29fa98bd9b50b5e9c17d99e961640ffafb765d71 Mon Sep 17 00:00:00 2001 From: Ben Nizette Date: Fri, 17 Apr 2009 20:35:57 -0700 Subject: [PATCH 015/478] Input: tsc2007 - use disable_irq_nosync() in irq handler disable_irq() waits for all running handlers to complete before returning. As such, if it's used to disable an interrupt from that interrupt's handler it will deadlock. This replaces the dangerous instances with the _nosync() variant which doesn't have this problem. Signed-off-by: Ben Nizette Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/tsc2007.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 4ab070246892..536668fbda22 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -235,7 +235,7 @@ static irqreturn_t tsc2007_irq(int irq, void *handle) spin_lock_irqsave(&ts->lock, flags); if (likely(ts->get_pendown_state())) { - disable_irq(ts->irq); + disable_irq_nosync(ts->irq); hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_DELAY), HRTIMER_MODE_REL); } From 3deb649e654ff87b87de9e415ac43ca8afbdff07 Mon Sep 17 00:00:00 2001 From: Ben Nizette Date: Fri, 17 Apr 2009 20:35:58 -0700 Subject: [PATCH 016/478] Input: ucb1400 - use disable_irq_nosync() in irq handler disable_irq() waits for all running handlers to complete before returning. As such, if it's used to disable an interrupt from that interrupt's handler it will deadlock. This replaces the dangerous instances with the _nosync() variant which doesn't have this problem. Signed-off-by: Ben Nizette Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/ucb1400_ts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c index e868264fe799..f100c7f4c1db 100644 --- a/drivers/input/touchscreen/ucb1400_ts.c +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -256,7 +256,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid) struct ucb1400_ts *ucb = devid; if (irqnr == ucb->irq) { - disable_irq(ucb->irq); + disable_irq_nosync(ucb->irq); ucb->irq_pending = 1; wake_up(&ucb->ts_wait); return IRQ_HANDLED; From 3f8c0df43dec51fbdfb2627f7574aa00a5fce98c Mon Sep 17 00:00:00 2001 From: Arjan Opmeer Date: Sat, 18 Apr 2009 19:05:40 -0700 Subject: [PATCH 017/478] Input: elantech - provide a workaround for jumpy cursor on firmware 2.34 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It seems that Elantech touchpad firmware version 2.34 on the Hercules eCAFÉ suffers from a problem where bogus coordinates get reported at the beginning of a touch action. This causes the mouse cursor or the scrolled page to jump. Included patch provides a workaround that discards mouse packets that are likely to contain bogus coordinates. The workaround is activated when we detect touchpad with fimware version 2.34. Signed-off-by: Arjan Opmeer Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/elantech.c | 27 +++++++++++++++++++++++++-- drivers/input/mouse/elantech.h | 5 +++-- 2 files changed, 28 insertions(+), 4 deletions(-) diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 6ab0eb1ada1c..d3b591673792 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1,7 +1,7 @@ /* - * Elantech Touchpad driver (v5) + * Elantech Touchpad driver (v6) * - * Copyright (C) 2007-2008 Arjan Opmeer + * Copyright (C) 2007-2009 Arjan Opmeer * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -178,6 +178,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; int fingers; + static int old_fingers; if (etd->fw_version_maj == 0x01) { /* byte 0: D U p1 p2 1 p3 R L @@ -190,6 +191,14 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) fingers = (packet[0] & 0xc0) >> 6; } + if (etd->jumpy_cursor) { + /* Discard packets that are likely to have bogus coordinates */ + if (fingers > old_fingers) { + elantech_debug("elantech.c: discarding packet\n"); + goto discard_packet_v1; + } + } + input_report_key(dev, BTN_TOUCH, fingers != 0); /* byte 2: x7 x6 x5 x4 x3 x2 x1 x0 @@ -216,6 +225,9 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) } input_sync(dev); + + discard_packet_v1: + old_fingers = fingers; } /* @@ -662,6 +674,17 @@ int elantech_init(struct psmouse *psmouse) param[0], param[1], param[2]); etd->capabilities = param[0]; + /* + * This firmware seems to suffer from misreporting coordinates when + * a touch action starts causing the mouse cursor or scrolled page + * to jump. Enable a workaround. + */ + if (etd->fw_version_maj == 0x02 && etd->fw_version_min == 0x22) { + pr_info("elantech.c: firmware version 2.34 detected, " + "enabling jumpy cursor workaround\n"); + etd->jumpy_cursor = 1; + } + if (elantech_set_absolute_mode(psmouse)) { pr_err("elantech.c: failed to put touchpad into absolute mode.\n"); goto init_fail; diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index bee282b540bc..ed848cc80814 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -1,7 +1,7 @@ /* - * Elantech Touchpad driver (v5) + * Elantech Touchpad driver (v6) * - * Copyright (C) 2007-2008 Arjan Opmeer + * Copyright (C) 2007-2009 Arjan Opmeer * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -104,6 +104,7 @@ struct elantech_data { unsigned char fw_version_min; unsigned char hw_version; unsigned char paritycheck; + unsigned char jumpy_cursor; unsigned char parity[256]; }; From b2546df69b6bef19513112fd54ffb5d37cb3eb7a Mon Sep 17 00:00:00 2001 From: Arjan Opmeer Date: Sat, 18 Apr 2009 19:10:17 -0700 Subject: [PATCH 018/478] Input: elantech - make sure touchpad is really in absolute mode There exist laptops with Elantech touchpads where switching to absolute mode does not happen, although writing the configuration register succeeds without error. Reading back the register afterwards reveils that the absolute mode bit is not set as if masked out by the touchpad firmware. Always read back register 0x10, make sure that for hardware version 1 the absolute mode bit is actually set and fail otherwise. This prevents the case where the touchpad is claimed by the Elantech driver but is nonetheless not working. Signed-off-by: Arjan Opmeer Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/elantech.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index d3b591673792..4bc78892ba91 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -375,9 +375,14 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse) rc = -1; break; } + } + + if (rc == 0) { /* - * Read back reg 0x10. The touchpad is probably initalising - * and not ready until we read back the value we just wrote. + * Read back reg 0x10. For hardware version 1 we must make + * sure the absolute mode bit is set. For hardware version 2 + * the touchpad is probably initalising and not ready until + * we read back the value we just wrote. */ do { rc = elantech_read_reg(psmouse, 0x10, &val); @@ -385,12 +390,18 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse) break; tries--; elantech_debug("elantech.c: retrying read (%d).\n", - tries); + tries); msleep(ETP_READ_BACK_DELAY); } while (tries > 0); - if (rc) + + if (rc) { pr_err("elantech.c: failed to read back register 0x10.\n"); - break; + } else if (etd->hw_version == 1 && + !(val & ETP_R10_ABSOLUTE_MODE)) { + pr_err("elantech.c: touchpad refuses " + "to switch to absolute mode.\n"); + rc = -1; + } } if (rc) From 2fdb11449ca82f4f1907fce4929df4e0bd267c50 Mon Sep 17 00:00:00 2001 From: "Denis V. Lunev" Date: Sun, 12 Apr 2009 08:14:46 +0100 Subject: [PATCH 019/478] mtd: mtd in mtd_release is unused without CONFIG_MTD_CHAR drivers/mtd/mtdcore.c: In function 'mtd_release': drivers/mtd/mtdcore.c:51: warning: unused variable 'mtd' [akpm: make it actually build] Signed-off-by: Denis V. Lunev Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- drivers/mtd/mtdcore.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index fdd6ae859397..051b4d4ed21f 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -48,11 +48,11 @@ static LIST_HEAD(mtd_notifiers); */ static void mtd_release(struct device *dev) { - struct mtd_info *mtd = dev_to_mtd(dev); + dev_t index = MTD_DEVT(dev_to_mtd(dev)->index); /* remove /dev/mtdXro node if needed */ - if (MTD_DEVT(mtd->index)) - device_destroy(mtd_class, MTD_DEVT(mtd->index) + 1); + if (index) + device_destroy(mtd_class, index + 1); } static ssize_t mtd_type_show(struct device *dev, From e7693548950ea5801d5d8b00414aed37033cf972 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Sat, 18 Apr 2009 12:29:42 +0300 Subject: [PATCH 020/478] mtd: expose subpage size via sysfs MTD has got sysfs support in 2.6.30-rc1. But subpage size is not exposed there - do this. UBI utilities badly need this parameter. At the moment there is no way to get subpage size - ioctls do not return it. And we just got sysfs support, so we can easilly extend it with this additional parameter. This can be merged late in the development cycle because: 1. sysfs support has been just added - there are no users for it so far, even. 2. UBI utilities really need this parameter, and it is better not to delay this. Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- drivers/mtd/mtdcore.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 051b4d4ed21f..bccb4b1ffc46 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -132,6 +132,17 @@ static ssize_t mtd_writesize_show(struct device *dev, } static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL); +static ssize_t mtd_subpagesize_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mtd_info *mtd = dev_to_mtd(dev); + unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft; + + return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize); + +} +static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL); + static ssize_t mtd_oobsize_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -169,6 +180,7 @@ static struct attribute *mtd_attrs[] = { &dev_attr_size.attr, &dev_attr_erasesize.attr, &dev_attr_writesize.attr, + &dev_attr_subpagesize.attr, &dev_attr_oobsize.attr, &dev_attr_numeraseregions.attr, &dev_attr_name.attr, From c197facc8ea08062f8f949aade6a33649ee06771 Mon Sep 17 00:00:00 2001 From: "hummerbliss@gmail.com" Date: Mon, 20 Apr 2009 17:12:35 +0200 Subject: [PATCH 021/478] netfilter: bridge: allow fragmentation of VLAN packets traversing a bridge br_nf_dev_queue_xmit only checks for ETH_P_IP packets for fragmenting but not VLAN packets. This results in dropping of large VLAN packets. This can be observed when connection tracking is enabled. Connection tracking re-assembles fragmented packets, and these have to re-fragmented when transmitting out. Also, make sure only refragmented packets are defragmented as per suggestion from Patrick McHardy. Signed-off-by: Saikiran Madugula Signed-off-by: Patrick McHardy --- net/bridge/br_netfilter.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 3953ac4214c8..e4a418fcb35b 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -788,15 +788,23 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff *skb, return NF_STOLEN; } +#if defined(CONFIG_NF_CONNTRACK_IPV4) || defined(CONFIG_NF_CONNTRACK_IPV4_MODULE) static int br_nf_dev_queue_xmit(struct sk_buff *skb) { - if (skb->protocol == htons(ETH_P_IP) && + if (skb->nfct != NULL && + (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb)) && skb->len > skb->dev->mtu && !skb_is_gso(skb)) return ip_fragment(skb, br_dev_queue_push_xmit); else return br_dev_queue_push_xmit(skb); } +#else +static int br_nf_dev_queue_xmit(struct sk_buff *skb) +{ + return br_dev_queue_push_xmit(skb); +} +#endif /* PF_BRIDGE/POST_ROUTING ********************************************/ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb, From ff6945279d45edd8f6b0a5ddb1ef16cecce3ea9c Mon Sep 17 00:00:00 2001 From: Steve French Date: Mon, 20 Apr 2009 19:45:13 +0000 Subject: [PATCH 022/478] [CIFS] Make cifs_unlink consistent in checks for null inode Signed-off-by: Steve French --- fs/cifs/CHANGES | 6 ++++++ fs/cifs/cifsfs.h | 2 +- fs/cifs/inode.c | 21 +++++++++++++++------ 3 files changed, 22 insertions(+), 7 deletions(-) diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 9d1fb6ec8a5a..1bf818136276 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -1,3 +1,9 @@ +Version 1.58 +------------ +Guard against buffer overruns in various UCS-2 to UTF-8 string conversions +when the UTF-8 string is composed of unusually long (more than 4 byte) converted +characters. + Version 1.57 ------------ Improve support for multiple security contexts to the same server. We diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 77e190dc2883..051b71cfdea9 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -100,5 +100,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* EXPERIMENTAL */ -#define CIFS_VERSION "1.57" +#define CIFS_VERSION "1.58" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index f36b4e40e443..9c869a6dcba1 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -962,13 +962,21 @@ undo_setattr: goto out_close; } + +/* + * If dentry->d_inode is null (usually meaning the cached dentry + * is a negative dentry) then we would attempt a standard SMB delete, but + * if that fails we can not attempt the fall back mechanisms on EACESS + * but will return the EACESS to the caller. Note that the VFS does not call + * unlink on negative dentries currently. + */ int cifs_unlink(struct inode *dir, struct dentry *dentry) { int rc = 0; int xid; char *full_path = NULL; struct inode *inode = dentry->d_inode; - struct cifsInodeInfo *cifsInode = CIFS_I(inode); + struct cifsInodeInfo *cifs_inode; struct super_block *sb = dir->i_sb; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifsTconInfo *tcon = cifs_sb->tcon; @@ -1012,7 +1020,7 @@ psx_del_no_retry: rc = cifs_rename_pending_delete(full_path, dentry, xid); if (rc == 0) drop_nlink(inode); - } else if (rc == -EACCES && dosattr == 0) { + } else if ((rc == -EACCES) && (dosattr == 0) && inode) { attrs = kzalloc(sizeof(*attrs), GFP_KERNEL); if (attrs == NULL) { rc = -ENOMEM; @@ -1020,7 +1028,8 @@ psx_del_no_retry: } /* try to reset dos attributes */ - origattr = cifsInode->cifsAttrs; + cifs_inode = CIFS_I(inode); + origattr = cifs_inode->cifsAttrs; if (origattr == 0) origattr |= ATTR_NORMAL; dosattr = origattr & ~ATTR_READONLY; @@ -1041,13 +1050,13 @@ psx_del_no_retry: out_reval: if (inode) { - cifsInode = CIFS_I(inode); - cifsInode->time = 0; /* will force revalidate to get info + cifs_inode = CIFS_I(inode); + cifs_inode->time = 0; /* will force revalidate to get info when needed */ inode->i_ctime = current_fs_time(sb); } dir->i_ctime = dir->i_mtime = current_fs_time(sb); - cifsInode = CIFS_I(dir); + cifs_inode = CIFS_I(dir); CIFS_I(dir)->time = 0; /* force revalidate of dir as well */ kfree(full_path); From 968460ebd8006d55661dec0fb86712b40d71c413 Mon Sep 17 00:00:00 2001 From: Suresh Jayaraman Date: Mon, 20 Apr 2009 18:54:21 +0530 Subject: [PATCH 023/478] cifs: Rename cifs_strncpy_to_host and fix buffer size There is a possibility for the path_name and node_name buffers to overflow if they contain charcters that are >2 bytes in the local charset. Resize the buffer allocation so to avoid this possibility. Also, as pointed out by Jeff Layton, it would be appropriate to rename the function to cifs_strlcpy_to_host to reflect the fact that the copied string is always NULL terminated. Signed-off-by: Suresh Jayaraman Acked-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/cifssmb.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index a0845dc7b8a9..a02c43b3faf5 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -88,29 +88,29 @@ static struct { * on failure - errno */ static int -cifs_strncpy_to_host(char **dst, const char *src, const int maxlen, +cifs_strlcpy_to_host(char **dst, const char *src, const int maxlen, const bool is_unicode, const struct nls_table *nls_codepage) { int plen; if (is_unicode) { plen = UniStrnlen((wchar_t *)src, maxlen); - *dst = kmalloc(plen + 2, GFP_KERNEL); + *dst = kmalloc((4 * plen) + 2, GFP_KERNEL); if (!*dst) - goto cifs_strncpy_to_host_ErrExit; + goto cifs_strlcpy_to_host_ErrExit; cifs_strfromUCS_le(*dst, (__le16 *)src, plen, nls_codepage); + (*dst)[plen] = 0; + (*dst)[plen+1] = 0; /* needed for Unicode */ } else { plen = strnlen(src, maxlen); *dst = kmalloc(plen + 2, GFP_KERNEL); if (!*dst) - goto cifs_strncpy_to_host_ErrExit; - strncpy(*dst, src, plen); + goto cifs_strlcpy_to_host_ErrExit; + strlcpy(*dst, src, plen); } - (*dst)[plen] = 0; - (*dst)[plen+1] = 0; /* harmless for ASCII case, needed for Unicode */ return 0; -cifs_strncpy_to_host_ErrExit: +cifs_strlcpy_to_host_ErrExit: cERROR(1, ("Failed to allocate buffer for string\n")); return -ENOMEM; } @@ -4029,7 +4029,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, /* copy DfsPath */ temp = (char *)ref + le16_to_cpu(ref->DfsPathOffset); max_len = data_end - temp; - rc = cifs_strncpy_to_host(&(node->path_name), temp, + rc = cifs_strlcpy_to_host(&(node->path_name), temp, max_len, is_unicode, nls_codepage); if (rc) goto parse_DFS_referrals_exit; @@ -4037,7 +4037,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, /* copy link target UNC */ temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset); max_len = data_end - temp; - rc = cifs_strncpy_to_host(&(node->node_name), temp, + rc = cifs_strlcpy_to_host(&(node->node_name), temp, max_len, is_unicode, nls_codepage); if (rc) goto parse_DFS_referrals_exit; From 7b0c8fcff47a885743125dd843db64af41af5a61 Mon Sep 17 00:00:00 2001 From: Suresh Jayaraman Date: Mon, 20 Apr 2009 18:54:36 +0530 Subject: [PATCH 024/478] cifs: Increase size of tmp_buf in cifs_readdir to avoid potential overflows Increase size of tmp_buf to possible maximum to avoid potential overflows. Pointed-out-by: Jeff Layton Signed-off-by: Suresh Jayaraman Acked-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/readdir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 1a8be6228333..ebd0da7ecb3d 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -1074,7 +1074,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) with the rare long characters alloc more to account for such multibyte target UTF-8 characters. cifs_unicode.c, which actually does the conversion, has the same limit */ - tmp_buf = kmalloc((2 * NAME_MAX) + 4, GFP_KERNEL); + tmp_buf = kmalloc((4 * NAME_MAX) + 2, GFP_KERNEL); for (i = 0; (i < num_to_fill) && (rc == 0); i++) { if (current_entry == NULL) { /* evaluate whether this case is an error */ From 96ac7e88922da6ab33efea87c6b560ba5ab11e75 Mon Sep 17 00:00:00 2001 From: Steve Wise Date: Mon, 20 Apr 2009 13:53:15 -0700 Subject: [PATCH 025/478] RDMA/cxgb3: Adjust ORD/IRD (if needed) for peer2peer connections NFS/RDMA currently fails to set up connections if peer2peer is on. This is due to the fact that the NFS/RDMA client sets its ORD to 0. If peer2peer is set, make sure the active side ORD is >= 1 and the passive side IRD is >=1. Signed-off-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb3/iwch_cm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index fef3f1ae7225..52d7bb0c2a12 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1830,6 +1830,10 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) ep->com.rpl_err = 0; ep->ird = conn_param->ird; ep->ord = conn_param->ord; + + if (peer2peer && ep->ird == 0) + ep->ird = 1; + PDBG("%s %d ird %d ord %d\n", __func__, __LINE__, ep->ird, ep->ord); get_ep(&ep->com); @@ -1915,6 +1919,10 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) conn_param->private_data, ep->plen); ep->ird = conn_param->ird; ep->ord = conn_param->ord; + + if (peer2peer && ep->ord == 0) + ep->ord = 1; + ep->com.tdev = h->rdev.t3cdev_p; cm_id->add_ref(cm_id); From e028cc55cc5c90a1c57eefe560a0cbb4df1fed14 Mon Sep 17 00:00:00 2001 From: Yossi Etigin Date: Mon, 20 Apr 2009 13:58:08 -0700 Subject: [PATCH 026/478] IPoIB: Disable NAPI while CQ is being drained If NAPI is enabled while IPoIB's CQ is being drained, it creates a race on priv->ibwc between ipoib_poll() and ipoib_drain_cq(), leading to memory corruption. The solution is to enable/disable NAPI in ipoib_ib_dev_{open/stop}() instead of in ipoib_{open/stop}(), and sync NAPI on the INITIALIZED flag instead on the ADMIN_UP flag. This way NAPI will be disabled when ipoib_drain_cq() is called. This fixes . Signed-off-by: Yossi Etigin Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 6 ++++-- drivers/infiniband/ulp/ipoib/ipoib_main.c | 5 +---- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index da6082739839..e7e5adf84e84 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -685,7 +685,8 @@ int ipoib_ib_dev_open(struct net_device *dev) queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task, round_jiffies_relative(HZ)); - set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags); + if (!test_and_set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) + napi_enable(&priv->napi); return 0; } @@ -804,7 +805,8 @@ int ipoib_ib_dev_stop(struct net_device *dev, int flush) struct ipoib_tx_buf *tx_req; int i; - clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags); + if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) + napi_disable(&priv->napi); ipoib_cm_dev_stop(dev); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 421a6640c9bd..ab2c192c76bc 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -106,8 +106,7 @@ int ipoib_open(struct net_device *dev) ipoib_dbg(priv, "bringing up interface\n"); - if (!test_and_set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) - napi_enable(&priv->napi); + set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); if (ipoib_pkey_dev_delay_open(dev)) return 0; @@ -143,7 +142,6 @@ err_stop: ipoib_ib_dev_stop(dev, 1); err_disable: - napi_disable(&priv->napi); clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); return -EINVAL; @@ -156,7 +154,6 @@ static int ipoib_stop(struct net_device *dev) ipoib_dbg(priv, "stopping interface\n"); clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); - napi_disable(&priv->napi); netif_stop_queue(dev); From 1af9222b5223a7b04102dc8c403fa55fa15d5184 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 20 Apr 2009 14:50:36 -0700 Subject: [PATCH 027/478] RDMA/nes: Fix compiler warning at nes_verbs.c:1955 Initialize pbl_count_256 to 0 to get rid of the warning: drivers/infiniband/hw/nes/nes_verbs.c: In function 'nes_reg_mr': drivers/infiniband/hw/nes/nes_verbs.c:1955: warning: 'pbl_count_256' may be used uninitialized in this function Reported-by: Roland Dreier Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 7e5b5ba13a74..9279d0561853 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1952,7 +1952,7 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd, int ret; struct nes_adapter *nesadapter = nesdev->nesadapter; uint pg_cnt = 0; - u16 pbl_count_256; + u16 pbl_count_256 = 0; u16 pbl_count = 0; u8 use_256_pbls = 0; u8 use_4k_pbls = 0; From 3f32eb1185170524a81dadff2e67521585943a53 Mon Sep 17 00:00:00 2001 From: Don Wood Date: Mon, 20 Apr 2009 14:53:00 -0700 Subject: [PATCH 028/478] RDMA/nes: Fix bugs in nes_reg_phys_mr() The code incorrectly failed memory registration if the buffer was not page aligned. Also, the length field is mangled causing the hardware to think the registration is much larger than it really is. The fix is to remove the page alignment restriction as well the incorrect length adjustment. Also make sure that all buffers after the first start at a page boundary, and all buffers except the last end on a page boundary. Signed-off-by: Don Wood Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 9279d0561853..f04bb1a5da45 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -2122,6 +2122,7 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, struct nes_root_vpbl root_vpbl; u32 stag; u32 i; + unsigned long mask; u32 stag_index = 0; u32 next_stag_index = 0; u32 driver_key = 0; @@ -2150,6 +2151,9 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, return ERR_PTR(-E2BIG); } + if ((buffer_list[0].addr ^ *iova_start) & ~PAGE_MASK) + return ERR_PTR(-EINVAL); + err = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs, nesadapter->max_mr, &stag_index, &next_stag_index); if (err) { @@ -2215,19 +2219,16 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, root_pbl_index++; cur_pbl_index = 0; } - if (buffer_list[i].addr & ~PAGE_MASK) { - /* TODO: Unwind allocated buffers */ - nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index); - nes_debug(NES_DBG_MR, "Unaligned Memory Buffer: 0x%x\n", - (unsigned int) buffer_list[i].addr); - ibmr = ERR_PTR(-EINVAL); - kfree(nesmr); - goto reg_phys_err; - } - if (!buffer_list[i].size) { + mask = !buffer_list[i].size; + if (i != 0) + mask |= buffer_list[i].addr; + if (i != num_phys_buf - 1) + mask |= buffer_list[i].addr + buffer_list[i].size; + + if (mask & ~PAGE_MASK) { nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index); - nes_debug(NES_DBG_MR, "Invalid Buffer Size\n"); + nes_debug(NES_DBG_MR, "Invalid buffer addr or size\n"); ibmr = ERR_PTR(-EINVAL); kfree(nesmr); goto reg_phys_err; @@ -2238,7 +2239,7 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, if ((buffer_list[i-1].addr+PAGE_SIZE) != buffer_list[i].addr) single_page = 0; } - vpbl.pbl_vbase[cur_pbl_index].pa_low = cpu_to_le32((u32)buffer_list[i].addr); + vpbl.pbl_vbase[cur_pbl_index].pa_low = cpu_to_le32((u32)buffer_list[i].addr & PAGE_MASK); vpbl.pbl_vbase[cur_pbl_index++].pa_high = cpu_to_le32((u32)((((u64)buffer_list[i].addr) >> 32))); } @@ -2251,8 +2252,6 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, " length = 0x%016lX, index = 0x%08X\n", stag, (unsigned long)*iova_start, (unsigned long)region_length, stag_index); - region_length -= (*iova_start)&PAGE_MASK; - /* Make the leaf PBL the root if only one PBL */ if (root_pbl_index == 1) { root_vpbl.pbl_pbase = vpbl.pbl_pbase; From cde9e2f9307dd6af6bf8c5f02e41a6e27da9682a Mon Sep 17 00:00:00 2001 From: Steve Wise Date: Mon, 20 Apr 2009 17:00:53 -0700 Subject: [PATCH 029/478] RDMA/cxgb3: Don't zero QP attrs when moving to IDLE QP attributes must stay initialized when moving back to IDLE. Zeroing them will crash the system in _flush_qp() if the QP is subsequently moved to ERROR and back to IDLE. Signed-off-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb3/iwch_qp.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 2f546a625330..27bbdc8e773a 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -1069,7 +1069,6 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp, goto out; } qhp->attr.state = IWCH_QP_STATE_IDLE; - memset(&qhp->attr, 0, sizeof(qhp->attr)); break; case IWCH_QP_STATE_TERMINATE: if (!internal) { From 8531f1f14a85c004d5063a0a78c72d0b686ccb8e Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Mon, 20 Apr 2009 21:12:25 -0700 Subject: [PATCH 030/478] IB/mthca: Fix timeout for INIT_HCA and a few other commands Commands INIT_HCA, CLOSE_HCA, SYS_EN, SYS_DIS, and CLOSE_IB all have 1 second timeouts. For INIT_HCA this causes problems when had more than 2^18 are QPs configured, since the command takes more than 1 second to complete. All other commands have 60-second timeouts. This patch makes the above commands consistent with the rest of the commands (and with the chip documentation). This patch is an expansion of a patch from Arthur Kepner fixing just the INIT_HCA timeout. Signed-off-by: Jack Morgenstein Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mthca/mthca_cmd.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index c33e1c53c799..6d55f9d748f6 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -157,13 +157,15 @@ enum { enum { CMD_TIME_CLASS_A = (HZ + 999) / 1000 + 1, CMD_TIME_CLASS_B = (HZ + 99) / 100 + 1, - CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1 + CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1, + CMD_TIME_CLASS_D = 60 * HZ }; #else enum { CMD_TIME_CLASS_A = 60 * HZ, CMD_TIME_CLASS_B = 60 * HZ, - CMD_TIME_CLASS_C = 60 * HZ + CMD_TIME_CLASS_C = 60 * HZ, + CMD_TIME_CLASS_D = 60 * HZ }; #endif @@ -598,7 +600,7 @@ int mthca_SYS_EN(struct mthca_dev *dev, u8 *status) u64 out; int ret; - ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, HZ, status); + ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, CMD_TIME_CLASS_D, status); if (*status == MTHCA_CMD_STAT_DDR_MEM_ERR) mthca_warn(dev, "SYS_EN DDR error: syn=%x, sock=%d, " @@ -611,7 +613,7 @@ int mthca_SYS_EN(struct mthca_dev *dev, u8 *status) int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status) { - return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, HZ, status); + return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C, status); } static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, @@ -1390,7 +1392,7 @@ int mthca_INIT_HCA(struct mthca_dev *dev, MTHCA_PUT(inbox, param->uarc_base, INIT_HCA_UAR_CTX_BASE_OFFSET); } - err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, HZ, status); + err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, CMD_TIME_CLASS_D, status); mthca_free_mailbox(dev, mailbox); return err; @@ -1450,12 +1452,12 @@ int mthca_INIT_IB(struct mthca_dev *dev, int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status) { - return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, HZ, status); + return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, CMD_TIME_CLASS_A, status); } int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status) { - return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, HZ, status); + return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, CMD_TIME_CLASS_C, status); } int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param, From ce88168f5b5eca7f40394fa6b05ae29f4b685569 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 21 Apr 2009 12:35:15 +0100 Subject: [PATCH 031/478] ASoC: Fix offset of freqmode in WM8580 PLL configuration Signed-off-by: Mark Brown Cc: stable@kernel.org --- sound/soc/codecs/wm8580.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index 442ea6f160fc..41aab4a7a254 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -522,7 +522,7 @@ static int wm8580_set_dai_pll(struct snd_soc_dai *codec_dai, reg = wm8580_read(codec, WM8580_PLLA4 + offset); reg &= ~0x3f; reg |= pll_div.prescale | pll_div.postscale << 1 | - pll_div.freqmode << 4; + pll_div.freqmode << 3; wm8580_write(codec, WM8580_PLLA4 + offset, reg); From 5bf0da7dd0ae193e072412519cba1d77b6196c61 Mon Sep 17 00:00:00 2001 From: Nicolas Morey-Chaisemartin Date: Tue, 21 Apr 2009 10:11:06 -0700 Subject: [PATCH 032/478] mlx4_core: Fix memory leak in mlx4_enable_msi_x() When the msi_x option is enabled but pci_enable_msix() fails (not enough vectors are available etc), the entries array was not freed on the error path. Signed-off-by: Nicolas Morey-Chaisemartin Signed-off-by: Roland Dreier --- drivers/net/mlx4/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index 102bac90a302..30bea9689694 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -976,7 +976,7 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) nreq = err; goto retry; } - + kfree(entries); goto no_msi; } From cc005fa20c5229c283bea4958869da1e3c8a3720 Mon Sep 17 00:00:00 2001 From: Matt Kraai Date: Tue, 21 Apr 2009 10:43:21 -0700 Subject: [PATCH 033/478] RDMA/nes: Remove root_256()'s unused pbl_count_256 parameter Signed-off-by: Matt Kraai Acked-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index f04bb1a5da45..504e31d9f50c 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1895,8 +1895,7 @@ static int nes_destroy_cq(struct ib_cq *ib_cq) static u32 root_256(struct nes_device *nesdev, struct nes_root_vpbl *root_vpbl, struct nes_root_vpbl *new_root, - u16 pbl_count_4k, - u16 pbl_count_256) + u16 pbl_count_4k) { u64 leaf_pbl; int i, j, k; @@ -2012,7 +2011,7 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd, } if (use_256_pbls && use_two_level) { - if (root_256(nesdev, root_vpbl, &new_root, pbl_count_4k, pbl_count_256) == 1) { + if (root_256(nesdev, root_vpbl, &new_root, pbl_count_4k) == 1) { if (new_root.pbl_pbase != 0) root_vpbl = &new_root; } else { From 3c48f23adada870db612a0dd3488605c4af5c0a5 Mon Sep 17 00:00:00 2001 From: Subrata Modak Date: Sun, 19 Apr 2009 01:10:03 +0530 Subject: [PATCH 034/478] configfs: Fix Trivial Warning in fs/configfs/symlink.c I observed the following build warning with fs/configfs/symlink.c: fs/configfs/symlink.c: In function 'configfs_symlink': fs/configfs/symlink.c:138: warning: 'target_item' may be used uninitialized in this function Here is a small fix for this. Cc: Patrick Mochel Cc: Balbir Singh Cc: Sachin P Sant Signed-Off-By: Subrata Modak Signed-off-by: Joel Becker --- fs/configfs/symlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c index 932a92b31483..c8afa6b1d91d 100644 --- a/fs/configfs/symlink.c +++ b/fs/configfs/symlink.c @@ -135,7 +135,7 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna struct path path; struct configfs_dirent *sd; struct config_item *parent_item; - struct config_item *target_item; + struct config_item *target_item = NULL; struct config_item_type *type; ret = -EPERM; /* What lack-of-symlink returns */ From 5d1af5c83232c5a02b9dc0fe43053b4ddc005224 Mon Sep 17 00:00:00 2001 From: Miroslaw Walukiewicz Date: Tue, 21 Apr 2009 16:16:48 -0700 Subject: [PATCH 035/478] RDMA/nes: Fix resource issues in nes_create_cq() and nes_destroy_cq() In error paths where a CQ is not created, pbl is not freeed properly. In nes_destroy_cq(), add the corresponding check for nescq->mcrqf to not call nes_free_resource() when it is already done in nes_create_cq(). Signed-off-by: Miroslaw Walukiewicz Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 26 +++++++++++++++++++++++++- drivers/infiniband/hw/nes/nes_verbs.h | 1 + 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 504e31d9f50c..8b460c2ce892 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1627,6 +1627,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff; else nescq->hw_cq.cq_number = nesvnic->mcrq_qp_id + nes_ucontext->mcrqf-1; + nescq->mcrqf = nes_ucontext->mcrqf; nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); } nes_debug(NES_DBG_CQ, "CQ Virtual Address = %08lX, size = %u.\n", @@ -1682,6 +1683,12 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } + nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-ENOMEM); @@ -1705,6 +1712,11 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-ENOMEM); @@ -1722,6 +1734,11 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-ENOMEM); @@ -1774,6 +1791,11 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-EIO); @@ -1855,7 +1877,9 @@ static int nes_destroy_cq(struct ib_cq *ib_cq) set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX, opcode); set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, (nescq->hw_cq.cq_number | ((u32)PCI_FUNC(nesdev->pcidev->devfn) << 16))); - nes_free_resource(nesadapter, nesadapter->allocated_cqs, nescq->hw_cq.cq_number); + if (!nescq->mcrqf) + nes_free_resource(nesadapter, nesadapter->allocated_cqs, nescq->hw_cq.cq_number); + atomic_set(&cqp_request->refcount, 2); nes_post_cqp_request(nesdev, cqp_request); diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h index 5e48f67fbe8d..41c07f29f7c9 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.h +++ b/drivers/infiniband/hw/nes/nes_verbs.h @@ -112,6 +112,7 @@ struct nes_cq { spinlock_t lock; u8 virtual_cq; u8 pad[3]; + u32 mcrqf; }; struct nes_wq { From 0fba813748f16f4eaf24d492c505226c4026d58f Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Thu, 19 Mar 2009 05:08:43 +0800 Subject: [PATCH 036/478] ocfs2: Fix 2 warning during ocfs2 make. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fs/ocfs2/dir.c: In function ‘ocfs2_extend_dir’: fs/ocfs2/dir.c:2700: warning: ‘ret’ may be used uninitialized in this function fs/ocfs2/suballoc.c: In function ‘ocfs2_get_suballoc_slot_bit’: fs/ocfs2/suballoc.c:2216: warning: comparison is always true due to limited range of data type Signed-off-by: Tao Ma Signed-off-by: Joel Becker --- fs/ocfs2/dir.c | 2 +- fs/ocfs2/suballoc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 07d89204f0d3..c5752305627c 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2697,7 +2697,7 @@ static int ocfs2_dx_dir_index_block(struct inode *dir, u32 *num_dx_entries, struct buffer_head *dirent_bh) { - int ret, namelen, i; + int ret = 0, namelen, i; char *de_buf, *limit; struct ocfs2_dir_entry *de; struct buffer_head *dx_leaf_bh; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index b4ca5911caaf..eb21dbb0ee0b 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -2213,7 +2213,7 @@ static int ocfs2_get_suballoc_slot_bit(struct ocfs2_super *osb, u64 blkno, goto bail; } - if (le16_to_cpu(inode_fe->i_suballoc_slot) != OCFS2_INVALID_SLOT && + if (le16_to_cpu(inode_fe->i_suballoc_slot) != (u16)OCFS2_INVALID_SLOT && (u32)le16_to_cpu(inode_fe->i_suballoc_slot) > osb->max_slots - 1) { mlog(ML_ERROR, "inode %llu has invalid suballoc slot %u\n", blkno, (u32)le16_to_cpu(inode_fe->i_suballoc_slot)); From 5b09b507daaa882d888b6cd78ee89ba9caace44b Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 21 Apr 2009 16:31:20 -0700 Subject: [PATCH 037/478] ocfs2: Fix some printk() warnings. The old %llu vs u64 battle. Cast them correctly. Signed-off-by: Joel Becker --- fs/ocfs2/export.c | 9 +++++---- fs/ocfs2/suballoc.c | 19 ++++++++++++------- 2 files changed, 17 insertions(+), 11 deletions(-) diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index de3da8eb558c..15713cbb865c 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -100,7 +100,8 @@ static struct dentry *ocfs2_get_dentry(struct super_block *sb, /* If the inode allocator bit is clear, this inode must be stale */ if (!set) { - mlog(0, "inode %llu suballoc bit is clear\n", blkno); + mlog(0, "inode %llu suballoc bit is clear\n", + (unsigned long long)blkno); status = -ESTALE; goto unlock_nfs_sync; } @@ -114,7 +115,7 @@ check_err: if (status < 0) { if (status == -ESTALE) { mlog(0, "stale inode ino: %llu generation: %u\n", - blkno, handle->ih_generation); + (unsigned long long)blkno, handle->ih_generation); } result = ERR_PTR(status); goto bail; @@ -129,8 +130,8 @@ check_err: check_gen: if (handle->ih_generation != inode->i_generation) { iput(inode); - mlog(0, "stale inode ino: %llu generation: %u\n", blkno, - handle->ih_generation); + mlog(0, "stale inode ino: %llu generation: %u\n", + (unsigned long long)blkno, handle->ih_generation); result = ERR_PTR(-ESTALE); goto bail; } diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index eb21dbb0ee0b..8439f6b324b9 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -2197,18 +2197,20 @@ static int ocfs2_get_suballoc_slot_bit(struct ocfs2_super *osb, u64 blkno, struct buffer_head *inode_bh = NULL; struct ocfs2_dinode *inode_fe; - mlog_entry("blkno: %llu\n", blkno); + mlog_entry("blkno: %llu\n", (unsigned long long)blkno); /* dirty read disk */ status = ocfs2_read_blocks_sync(osb, blkno, 1, &inode_bh); if (status < 0) { - mlog(ML_ERROR, "read block %llu failed %d\n", blkno, status); + mlog(ML_ERROR, "read block %llu failed %d\n", + (unsigned long long)blkno, status); goto bail; } inode_fe = (struct ocfs2_dinode *) inode_bh->b_data; if (!OCFS2_IS_VALID_DINODE(inode_fe)) { - mlog(ML_ERROR, "invalid inode %llu requested\n", blkno); + mlog(ML_ERROR, "invalid inode %llu requested\n", + (unsigned long long)blkno); status = -EINVAL; goto bail; } @@ -2216,7 +2218,8 @@ static int ocfs2_get_suballoc_slot_bit(struct ocfs2_super *osb, u64 blkno, if (le16_to_cpu(inode_fe->i_suballoc_slot) != (u16)OCFS2_INVALID_SLOT && (u32)le16_to_cpu(inode_fe->i_suballoc_slot) > osb->max_slots - 1) { mlog(ML_ERROR, "inode %llu has invalid suballoc slot %u\n", - blkno, (u32)le16_to_cpu(inode_fe->i_suballoc_slot)); + (unsigned long long)blkno, + (u32)le16_to_cpu(inode_fe->i_suballoc_slot)); status = -EINVAL; goto bail; } @@ -2251,7 +2254,8 @@ static int ocfs2_test_suballoc_bit(struct ocfs2_super *osb, u64 bg_blkno; int status; - mlog_entry("blkno: %llu bit: %u\n", blkno, (unsigned int)bit); + mlog_entry("blkno: %llu bit: %u\n", (unsigned long long)blkno, + (unsigned int)bit); alloc_fe = (struct ocfs2_dinode *)alloc_bh->b_data; if ((bit + 1) > ocfs2_bits_per_group(&alloc_fe->id2.i_chain)) { @@ -2266,7 +2270,8 @@ static int ocfs2_test_suballoc_bit(struct ocfs2_super *osb, status = ocfs2_read_group_descriptor(suballoc, alloc_fe, bg_blkno, &group_bh); if (status < 0) { - mlog(ML_ERROR, "read group %llu failed %d\n", bg_blkno, status); + mlog(ML_ERROR, "read group %llu failed %d\n", + (unsigned long long)bg_blkno, status); goto bail; } @@ -2300,7 +2305,7 @@ int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res) struct inode *inode_alloc_inode; struct buffer_head *alloc_bh = NULL; - mlog_entry("blkno: %llu", blkno); + mlog_entry("blkno: %llu", (unsigned long long)blkno); status = ocfs2_get_suballoc_slot_bit(osb, blkno, &suballoc_slot, &suballoc_bit); From 72021788678523047161e97b3dfed695e802a5fd Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Mon, 17 Nov 2008 13:58:11 +0800 Subject: [PATCH 038/478] drm/i915: add support for G41 chipset This had been delayed for some time due to failure to work on the one piece of G41 hardware we had, and lack of success reports from anybody else. Current hardware appears to be OK. Signed-off-by: Zhenyu Wang [anholt: hand-applied due to conflicts with IGD patches] Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_drv.h | 4 +++- include/drm/drm_pciids.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d7471fe1beb1..25065923b8a8 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -787,7 +787,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); (dev)->pci_device == 0x2A42 || \ (dev)->pci_device == 0x2E02 || \ (dev)->pci_device == 0x2E12 || \ - (dev)->pci_device == 0x2E22) + (dev)->pci_device == 0x2E22 || \ + (dev)->pci_device == 0x2E32) #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02) @@ -796,6 +797,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \ (dev)->pci_device == 0x2E12 || \ (dev)->pci_device == 0x2E22 || \ + (dev)->pci_device == 0x2E32 || \ IS_GM45(dev)) #define IS_IGDG(dev) ((dev)->pci_device == 0xa001) diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 9477af01a639..fc55db780199 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -532,6 +532,7 @@ {0x8086, 0x2e02, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x2e12, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x2e22, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ + {0x8086, 0x2e32, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0xa001, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0xa011, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x35e8, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ From d816f6ac4f9877509baa3610be0d25b7afc29c00 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Sat, 18 Apr 2009 10:43:32 +0800 Subject: [PATCH 039/478] drm/i915: fix unpaired i915 device mutex on entervt failure. Signed-off-by: Wu Fengguang Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4642115902d6..ee896d91c5bc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4087,8 +4087,10 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data, dev_priv->mm.suspended = 0; ret = i915_gem_init_ringbuffer(dev); - if (ret != 0) + if (ret != 0) { + mutex_unlock(&dev->struct_mutex); return ret; + } spin_lock(&dev_priv->mm.active_list_lock); BUG_ON(!list_empty(&dev_priv->mm.active_list)); From 355d7f370b51bbb6f31aaf9f98861057e1e6bbb2 Mon Sep 17 00:00:00 2001 From: Chris Wright Date: Fri, 17 Apr 2009 01:18:55 +0000 Subject: [PATCH 040/478] drm/i915: fix up error path leak in i915_cmdbuffer Commit 201361a5 introduces a leak when unwinding on error. Reorder unwind, and eliminate leak. Cc: Eric Anholt Cc: Keith Packard Cc: Jesse Barnes Signed-off-by: Chris Wright [anholt: fixed uninit variable use introduced in original patch] Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_dma.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 272614389c02..051134c56aef 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -713,18 +713,18 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, mutex_unlock(&dev->struct_mutex); if (ret) { DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); - goto fail_batch_free; + goto fail_clip_free; } if (sarea_priv) sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); -fail_batch_free: - drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER); fail_clip_free: drm_free(cliprects, cmdbuf->num_cliprects * sizeof(struct drm_clip_rect), DRM_MEM_DRIVER); +fail_batch_free: + drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER); return ret; } From ccb077fd466ec3f35662d6c66412b42b36e11bc3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 21 Apr 2009 12:57:00 +0100 Subject: [PATCH 041/478] ASoC: Fix WM8580 volume update handling for large register changes The driver is out of sync with the core functions it is using. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8580.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index 41aab4a7a254..9f6be3d31ac0 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -268,9 +268,11 @@ static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); static int wm8580_out_vu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 24) & 0xff; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; int ret; u16 val; @@ -292,15 +294,17 @@ static int wm8580_out_vu(struct snd_kcontrol *kcontrol, return 0; } -#define SOC_WM8580_OUT_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \ +#define SOC_WM8580_OUT_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, \ + xinvert, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ SNDRV_CTL_ELEM_ACCESS_READWRITE, \ .tlv.p = (tlv_array), \ .info = snd_soc_info_volsw_2r, \ .get = snd_soc_get_volsw_2r, .put = wm8580_out_vu, \ - .private_value = (reg_left) | ((shift) << 8) | \ - ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) } + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ + .max = xmax, .invert = xinvert} } static const struct snd_kcontrol_new wm8580_snd_controls[] = { SOC_WM8580_OUT_DOUBLE_R_TLV("DAC1 Playback Volume", From 162dedd39dcc6eca3fc0d29cf19658c6c13b840e Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 3 Apr 2009 06:34:00 -0700 Subject: [PATCH 042/478] PCI quirk: disable MSI on VIA VT3364 chipsets Without this patch, Broadcom BCM5906 Ethernet controllers set up via MSI cause the machine to hang. Tejun agreed that the best is to blacklist the whole chipset and after adding it, seeing the other VIA quirks disabling MSI, this very much looks like the right way. Cc: Signed-off-by: Thomas Renninger Signed-off-by: Jesse Barnes --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0254741bece0..3067673d54f6 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2033,6 +2033,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_di DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_all_msi); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3336, quirk_disable_all_msi); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3364, quirk_disable_all_msi); /* Disable MSI on chipsets that are known to not support it */ static void __devinit quirk_disable_msi(struct pci_dev *dev) From 6298c512bc1007c3ff5c9ce20e6996781651cc45 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 9 Apr 2009 12:28:22 +0200 Subject: [PATCH 043/478] x86, mce: make polling timer interval per CPU The polling timer while running per CPU still uses a global next_interval variable, which lead to some CPUs either polling too fast or too slow. This was not a serious problem because all errors get picked up eventually, but it's still better to avoid it. Turn next_interval into a per cpu variable. v2: Fix check_interval == 0 case (Hidetoshi Seto) [ Impact: minor bug fix ] Signed-off-by: Andi Kleen Reviewed-by: Hidetoshi Seto Signed-off-by: H. Peter Anvin --- arch/x86/kernel/cpu/mcheck/mce_64.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 863f89568b1a..82614f1b923a 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -452,13 +452,14 @@ void mce_log_therm_throt_event(__u64 status) */ static int check_interval = 5 * 60; /* 5 minutes */ -static int next_interval; /* in jiffies */ +static DEFINE_PER_CPU(int, next_interval); /* in jiffies */ static void mcheck_timer(unsigned long); static DEFINE_PER_CPU(struct timer_list, mce_timer); static void mcheck_timer(unsigned long data) { struct timer_list *t = &per_cpu(mce_timer, data); + int *n; WARN_ON(smp_processor_id() != data); @@ -470,14 +471,14 @@ static void mcheck_timer(unsigned long data) * Alert userspace if needed. If we logged an MCE, reduce the * polling interval, otherwise increase the polling interval. */ + n = &__get_cpu_var(next_interval); if (mce_notify_user()) { - next_interval = max(next_interval/2, HZ/100); + *n = max(*n/2, HZ/100); } else { - next_interval = min(next_interval * 2, - (int)round_jiffies_relative(check_interval*HZ)); + *n = min(*n*2, (int)round_jiffies_relative(check_interval*HZ)); } - t->expires = jiffies + next_interval; + t->expires = jiffies + *n; add_timer(t); } @@ -632,14 +633,13 @@ static void mce_cpu_features(struct cpuinfo_x86 *c) static void mce_init_timer(void) { struct timer_list *t = &__get_cpu_var(mce_timer); + int *n = &__get_cpu_var(next_interval); - /* data race harmless because everyone sets to the same value */ - if (!next_interval) - next_interval = check_interval * HZ; - if (!next_interval) + *n = check_interval * HZ; + if (!*n) return; setup_timer(t, mcheck_timer, smp_processor_id()); - t->expires = round_jiffies(jiffies + next_interval); + t->expires = round_jiffies(jiffies + *n); add_timer(t); } @@ -907,7 +907,6 @@ static void mce_cpu_restart(void *data) /* Reinit MCEs after user configuration changes */ static void mce_restart(void) { - next_interval = check_interval * HZ; on_each_cpu(mce_cpu_restart, NULL, 1); } @@ -1110,7 +1109,8 @@ static int __cpuinit mce_cpu_callback(struct notifier_block *nfb, break; case CPU_DOWN_FAILED: case CPU_DOWN_FAILED_FROZEN: - t->expires = round_jiffies(jiffies + next_interval); + t->expires = round_jiffies(jiffies + + __get_cpu_var(next_interval)); add_timer_on(t, cpu); smp_call_function_single(cpu, mce_reenable_cpu, &action, 1); break; From 5679af4c1625a1534a4321e1ecc3c48a1cf65eb8 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 7 Apr 2009 17:06:55 +0200 Subject: [PATCH 044/478] x86, mce: fix boot logging logic The earlier patch to change the poller to a separate function subtly broke the boot logging logic. This could lead to machine checks getting logged at boot even when disabled or defaulting to off on some systems. Fix that. [ Impact: bug fix - avoid spurious MCE in log ] Signed-off-by: Andi Kleen Reviewed-by: Hidetoshi Seto Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/mce.h | 1 + arch/x86/kernel/cpu/mcheck/mce_64.c | 9 +++++---- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 563933e06a35..4f8c199584e7 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -137,6 +137,7 @@ DECLARE_PER_CPU(mce_banks_t, mce_poll_banks); enum mcp_flags { MCP_TIMESTAMP = (1 << 0), /* log time stamp */ MCP_UC = (1 << 1), /* log uncorrected errors */ + MCP_DONTLOG = (1 << 2), /* only clear, don't log */ }; extern void machine_check_poll(enum mcp_flags flags, mce_banks_t *b); diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 82614f1b923a..6fb0b359d2a5 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -239,9 +239,10 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b) * Don't get the IP here because it's unlikely to * have anything to do with the actual error location. */ - - mce_log(&m); - add_taint(TAINT_MACHINE_CHECK); + if (!(flags & MCP_DONTLOG)) { + mce_log(&m); + add_taint(TAINT_MACHINE_CHECK); + } /* * Clear state for this bank. @@ -585,7 +586,7 @@ static void mce_init(void *dummy) * Log the machine checks left over from the previous reset. */ bitmap_fill(all_banks, MAX_NR_BANKS); - machine_check_poll(MCP_UC, &all_banks); + machine_check_poll(MCP_UC|(!mce_bootlog ? MCP_DONTLOG : 0), &all_banks); set_in_cr4(X86_CR4_MCE); From 044cd80942e47b9de0915b627902adf05c52377f Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 18 Apr 2009 01:43:46 -0700 Subject: [PATCH 045/478] x86/PCI: don't call e820_all_mapped with -1 in the mmconfig case e820_all_mapped need end is (addr + size) instead of (addr + size - 1) Cc: stable@kernel.org Acked-by: Ingo Molnar Signed-off-by: Yinghai Lu Signed-off-by: Jesse Barnes --- arch/x86/pci/mmconfig-shared.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 905bb526b133..5fa10bb9604f 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -375,7 +375,7 @@ static acpi_status __init check_mcfg_resource(struct acpi_resource *res, if (!fixmem32) return AE_OK; if ((mcfg_res->start >= fixmem32->address) && - (mcfg_res->end < (fixmem32->address + + (mcfg_res->end <= (fixmem32->address + fixmem32->address_length))) { mcfg_res->flags = 1; return AE_CTRL_TERMINATE; @@ -392,7 +392,7 @@ static acpi_status __init check_mcfg_resource(struct acpi_resource *res, return AE_OK; if ((mcfg_res->start >= address.minimum) && - (mcfg_res->end < (address.minimum + address.address_length))) { + (mcfg_res->end <= (address.minimum + address.address_length))) { mcfg_res->flags = 1; return AE_CTRL_TERMINATE; } @@ -439,7 +439,7 @@ static int __init is_mmconf_reserved(check_reserved_t is_reserved, u64 old_size = size; int valid = 0; - while (!is_reserved(addr, addr + size - 1, E820_RESERVED)) { + while (!is_reserved(addr, addr + size, E820_RESERVED)) { size >>= 1; if (size < (16UL<<20)) break; From 0bb1be3e30bfc3e09fa0ff1e887ac7da4a16c3a2 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Thu, 16 Apr 2009 13:31:10 -0600 Subject: [PATCH 046/478] x86/PCI: Move set_pci_bus_resources_arch_default into arch/x86 Commit 30a18d6c3f1e774de656ebd8ff219d53e2ba4029 introduced a new function to set the PCI bus resources. Unfortunately, neither the author, nor the committers seemed to know that we already have somewhere to do that -- pcibios_fixup_bus(). This patch moves the hook (used only by the K8 code) into x86-specific code where it should have been in the first place. Cc: Yinghai Lu Signed-off-by: Matthew Wilcox Acked-by: Ingo Molnar Signed-off-by: Jesse Barnes --- arch/x86/pci/common.c | 7 ++++++- drivers/pci/probe.c | 6 ------ 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 8c362b96b644..f80ece51305d 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -142,15 +142,20 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) } } +void __attribute__((weak)) set_pci_bus_resources_arch_default(struct pci_bus *b) +{ +} + /* * Called after each bus is probed, but before its children * are examined. */ -void __devinit pcibios_fixup_bus(struct pci_bus *b) +void __devinit pcibios_fixup_bus(struct pci_bus *b) { struct pci_dev *dev; + set_pci_bus_resources_arch_default(b); pci_read_bridge_bases(b); list_for_each_entry(dev, &b->devices, bus_list) pcibios_fixup_device_resources(dev); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8eb50dffb78a..e3c3e081b834 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1118,10 +1118,6 @@ unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus) return max; } -void __attribute__((weak)) set_pci_bus_resources_arch_default(struct pci_bus *b) -{ -} - struct pci_bus * pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata) { @@ -1180,8 +1176,6 @@ struct pci_bus * pci_create_bus(struct device *parent, b->resource[0] = &ioport_resource; b->resource[1] = &iomem_resource; - set_pci_bus_resources_arch_default(b); - return b; dev_create_file_err: From 0e94ecd098347874e776f7818728613a335880d1 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 18 Apr 2009 10:11:25 -0700 Subject: [PATCH 047/478] x86/PCI: set_pci_bus_resources_arch_default cleanups Rename set_pci_bus_resources_arch_default to x86_pci_root_bus_res_quirks, move the weak version from common.c to i386.c, and before calling, make sure it's a root bus. Reviewed-by: Matthew Wilcox Signed-off-by: Yinghai Lu Signed-off-by: Jesse Barnes --- arch/x86/include/asm/topology.h | 2 +- arch/x86/pci/amd_bus.c | 2 +- arch/x86/pci/common.c | 8 +++----- arch/x86/pci/i386.c | 4 ++++ 4 files changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index 892b119dba6f..f44b49abca49 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -200,7 +200,7 @@ static inline void arch_fix_phys_package_id(int num, u32 slot) } struct pci_bus; -void set_pci_bus_resources_arch_default(struct pci_bus *b); +void x86_pci_root_bus_res_quirks(struct pci_bus *b); #ifdef CONFIG_SMP #define mc_capable() (cpumask_weight(cpu_core_mask(0)) != nr_cpu_ids) diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index 9bb09823b362..e121ee050f7c 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -94,7 +94,7 @@ struct pci_root_info { static int pci_root_num; static struct pci_root_info pci_root_info[PCI_ROOT_NR]; -void set_pci_bus_resources_arch_default(struct pci_bus *b) +void x86_pci_root_bus_res_quirks(struct pci_bus *b) { int i; int j; diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index f80ece51305d..2202b6257b82 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -142,10 +142,6 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) } } -void __attribute__((weak)) set_pci_bus_resources_arch_default(struct pci_bus *b) -{ -} - /* * Called after each bus is probed, but before its children * are examined. @@ -155,7 +151,9 @@ void __devinit pcibios_fixup_bus(struct pci_bus *b) { struct pci_dev *dev; - set_pci_bus_resources_arch_default(b); + /* root bus? */ + if (!b->parent) + x86_pci_root_bus_res_quirks(b); pci_read_bridge_bases(b); list_for_each_entry(dev, &b->devices, bus_list) pcibios_fixup_device_resources(dev); diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index f1817f71e009..a85bef20a3b9 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -238,6 +238,10 @@ void __init pcibios_resource_survey(void) */ fs_initcall(pcibios_assign_resources); +void __weak x86_pci_root_bus_res_quirks(struct pci_bus *b) +{ +} + /* * If we set up a device for bus mastering, we need to check the latency * timer as certain crappy BIOSes forget to set it properly. From 681bf597215c62bd6f5ae1180a58a38997122b5b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Mon, 13 Apr 2009 18:28:54 -0700 Subject: [PATCH 048/478] PCI: cleanup debug output resources Remove outputs for 0 sized resources and indicate prefetchability. Signed-off-by: Yinghai Lu Signed-off-by: Jesse Barnes --- drivers/pci/setup-bus.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 8d9da9d30a61..a00f85471b6e 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -536,11 +536,13 @@ static void pci_bus_dump_res(struct pci_bus *bus) for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { struct resource *res = bus->resource[i]; - if (!res) + if (!res || !res->end) continue; dev_printk(KERN_DEBUG, &bus->dev, "resource %d %s %pR\n", i, - (res->flags & IORESOURCE_IO) ? "io: " : "mem:", res); + (res->flags & IORESOURCE_IO) ? "io: " : + ((res->flags & IORESOURCE_PREFETCH)? "pref mem":"mem:"), + res); } } From cffb2fafb726c898fec1c5ae33717741f94fda83 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 10 Apr 2009 15:17:50 -0700 Subject: [PATCH 049/478] docbooks: add/fix PCI kernel-doc Add drivers/pci/*.c source files to DocBook/kernel-api.tmpl and update those pci/*.c source files that need kernel-doc fixes. Signed-off-by: Randy Dunlap Signed-off-by: Jesse Barnes --- Documentation/DocBook/kernel-api.tmpl | 6 +++++- drivers/pci/access.c | 4 ++-- drivers/pci/htirq.c | 1 + drivers/pci/pci-sysfs.c | 12 ++++++++---- drivers/pci/slot.c | 4 ++-- 5 files changed, 18 insertions(+), 9 deletions(-) diff --git a/Documentation/DocBook/kernel-api.tmpl b/Documentation/DocBook/kernel-api.tmpl index d6ac5d61820e..44b3def961a2 100644 --- a/Documentation/DocBook/kernel-api.tmpl +++ b/Documentation/DocBook/kernel-api.tmpl @@ -190,16 +190,20 @@ X!Ekernel/module.c !Edrivers/pci/pci.c !Edrivers/pci/pci-driver.c !Edrivers/pci/remove.c -!Edrivers/pci/pci-acpi.c !Edrivers/pci/search.c !Edrivers/pci/msi.c !Edrivers/pci/bus.c +!Edrivers/pci/access.c +!Edrivers/pci/irq.c +!Edrivers/pci/htirq.c !Edrivers/pci/probe.c +!Edrivers/pci/slot.c !Edrivers/pci/rom.c !Edrivers/pci/iov.c +!Idrivers/pci/pci-sysfs.c PCI Hotplug Support Library !Edrivers/pci/hotplug/pci_hotplug_core.c diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 64dd7df90e62..0f3706512686 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -87,8 +87,8 @@ EXPORT_SYMBOL(pci_read_vpd); * pci_write_vpd - Write entry to Vital Product Data * @dev: pci device struct * @pos: offset in vpd space - * @count: number of bytes to read - * @val: value to write + * @count: number of bytes to write + * @buf: buffer containing write data * */ ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf) diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index bf7d6ce9bbb3..6808d8333ecc 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -158,6 +158,7 @@ int ht_create_irq(struct pci_dev *dev, int idx) /** * ht_destroy_irq - destroy an irq created with ht_create_irq + * @irq: irq to be destroyed * * This reverses ht_create_irq removing the specified irq from * existence. The irq should be free before this happens. diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index a7eb1b46a5a8..85ebd02a64a7 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -492,6 +492,7 @@ write_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr, /** * pci_read_legacy_io - read byte(s) from legacy I/O port space * @kobj: kobject corresponding to file to read from + * @bin_attr: struct bin_attribute for this file * @buf: buffer to store results * @off: offset into legacy I/O port space * @count: number of bytes to read @@ -517,6 +518,7 @@ pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr, /** * pci_write_legacy_io - write byte(s) to legacy I/O port space * @kobj: kobject corresponding to file to read from + * @bin_attr: struct bin_attribute for this file * @buf: buffer containing value to be written * @off: offset into legacy I/O port space * @count: number of bytes to write @@ -733,9 +735,9 @@ pci_mmap_resource_wc(struct kobject *kobj, struct bin_attribute *attr, /** * pci_remove_resource_files - cleanup resource files - * @dev: dev to cleanup + * @pdev: dev to cleanup * - * If we created resource files for @dev, remove them from sysfs and + * If we created resource files for @pdev, remove them from sysfs and * free their resources. */ static void @@ -793,9 +795,9 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) /** * pci_create_resource_files - create resource files in sysfs for @dev - * @dev: dev in question + * @pdev: dev in question * - * Walk the resources in @dev creating files for each resource available. + * Walk the resources in @pdev creating files for each resource available. */ static int pci_create_resource_files(struct pci_dev *pdev) { @@ -829,6 +831,7 @@ void __weak pci_remove_resource_files(struct pci_dev *dev) { return; } /** * pci_write_rom - used to enable access to the PCI ROM display * @kobj: kernel object handle + * @bin_attr: struct bin_attribute for this file * @buf: user input * @off: file offset * @count: number of byte in input @@ -852,6 +855,7 @@ pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr, /** * pci_read_rom - read a PCI ROM * @kobj: kernel object handle + * @bin_attr: struct bin_attribute for this file * @buf: where to put the data we read from the ROM * @off: file offset * @count: number of bytes to read diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index 21189447e545..fe95ce20bcbd 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -264,8 +264,8 @@ EXPORT_SYMBOL_GPL(pci_create_slot); /** * pci_renumber_slot - update %struct pci_slot -> number - * @slot - %struct pci_slot to update - * @slot_nr - new number for slot + * @slot: &struct pci_slot to update + * @slot_nr: new number for slot * * The primary purpose of this interface is to allow callers who earlier * created a placeholder slot in pci_create_slot() by passing a -1 as From b10ceb5530df7ee6e81f92910589a34dd3e5690b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Mon, 20 Apr 2009 18:35:40 -0700 Subject: [PATCH 050/478] x86/PCI: don't bother with root quirks if _CRS is used It will be overwriten later if _CRS is used, so don't bother to set it. Signed-off-by: Yinghai Lu Signed-off-by: Jesse Barnes --- arch/x86/pci/amd_bus.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index e121ee050f7c..f893d6a6e803 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -100,6 +100,10 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b) int j; struct pci_root_info *info; + /* don't go for it if _CRS is used */ + if (pci_probe & PCI_USE__CRS) + return; + /* if only one root bus, don't need to anything */ if (pci_root_num < 2) return; From 1b6b8ce2ac372ea1f2065b89228ede105eb68dc5 Mon Sep 17 00:00:00 2001 From: Yu Zhao Date: Thu, 9 Apr 2009 14:57:39 +0800 Subject: [PATCH 051/478] PCI: only save/restore existent registers in the PCIe capability PCIe 1.1 base neither requires the endpoint to implement the entire PCIe capability structure nor specifies default values of registers that are not implemented by the device. So we only save and restore registers that must be implemented by different device types if the device PCIe capability version is 1. PCIe 1.1 Capability Structure Expansion ECN and PCIe 2.0 requires all registers in the PCIe capability to be either implemented or hardwired to 0. Their PCIe capability version is 2. Signed-off-by: Yu Zhao Signed-off-by: Jesse Barnes --- drivers/pci/pci.c | 70 ++++++++++++++++++++++++++++++++-------- include/linux/pci_regs.h | 1 + 2 files changed, 57 insertions(+), 14 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 16fd0d4c3166..34bf0fdf5047 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -681,11 +681,34 @@ EXPORT_SYMBOL(pci_choose_state); #define PCI_EXP_SAVE_REGS 7 +#define pcie_cap_has_devctl(type, flags) 1 +#define pcie_cap_has_lnkctl(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1 || \ + (type == PCI_EXP_TYPE_ROOT_PORT || \ + type == PCI_EXP_TYPE_ENDPOINT || \ + type == PCI_EXP_TYPE_LEG_END)) +#define pcie_cap_has_sltctl(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1 || \ + ((type == PCI_EXP_TYPE_ROOT_PORT) || \ + (type == PCI_EXP_TYPE_DOWNSTREAM && \ + (flags & PCI_EXP_FLAGS_SLOT)))) +#define pcie_cap_has_rtctl(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1 || \ + (type == PCI_EXP_TYPE_ROOT_PORT || \ + type == PCI_EXP_TYPE_RC_EC)) +#define pcie_cap_has_devctl2(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1) +#define pcie_cap_has_lnkctl2(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1) +#define pcie_cap_has_sltctl2(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1) + static int pci_save_pcie_state(struct pci_dev *dev) { int pos, i = 0; struct pci_cap_saved_state *save_state; u16 *cap; + u16 flags; pos = pci_find_capability(dev, PCI_CAP_ID_EXP); if (pos <= 0) @@ -698,13 +721,22 @@ static int pci_save_pcie_state(struct pci_dev *dev) } cap = (u16 *)&save_state->data[0]; - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_SLTCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_RTCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_LNKCTL2, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_SLTCTL2, &cap[i++]); + pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &flags); + + if (pcie_cap_has_devctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &cap[i++]); + if (pcie_cap_has_lnkctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, &cap[i++]); + if (pcie_cap_has_sltctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_SLTCTL, &cap[i++]); + if (pcie_cap_has_rtctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_RTCTL, &cap[i++]); + if (pcie_cap_has_devctl2(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &cap[i++]); + if (pcie_cap_has_lnkctl2(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_LNKCTL2, &cap[i++]); + if (pcie_cap_has_sltctl2(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_SLTCTL2, &cap[i++]); return 0; } @@ -714,6 +746,7 @@ static void pci_restore_pcie_state(struct pci_dev *dev) int i = 0, pos; struct pci_cap_saved_state *save_state; u16 *cap; + u16 flags; save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP); pos = pci_find_capability(dev, PCI_CAP_ID_EXP); @@ -721,13 +754,22 @@ static void pci_restore_pcie_state(struct pci_dev *dev) return; cap = (u16 *)&save_state->data[0]; - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_LNKCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_SLTCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_RTCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_LNKCTL2, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_SLTCTL2, cap[i++]); + pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &flags); + + if (pcie_cap_has_devctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, cap[i++]); + if (pcie_cap_has_lnkctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_LNKCTL, cap[i++]); + if (pcie_cap_has_sltctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_SLTCTL, cap[i++]); + if (pcie_cap_has_rtctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_RTCTL, cap[i++]); + if (pcie_cap_has_devctl2(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, cap[i++]); + if (pcie_cap_has_lnkctl2(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_LNKCTL2, cap[i++]); + if (pcie_cap_has_sltctl2(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_SLTCTL2, cap[i++]); } diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index e4d08c1b2e0b..616bf8b3c8b5 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -376,6 +376,7 @@ #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */ #define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */ +#define PCI_EXP_TYPE_RC_EC 0x10 /* Root Complex Event Collector */ #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ #define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */ #define PCI_EXP_DEVCAP 4 /* Device capabilities */ From c8088112fd96ad8b0f0bcd2f168fe6a17bf3cb41 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Wed, 22 Apr 2009 19:48:53 -0600 Subject: [PATCH 052/478] OMAP2xxx clock: pre-initialize struct clks early Commit 3f0a820c4c0b4670fb5f164baa5582e23c2ef118 breaks OMAP2xxx boot during initial propagate_rate() on osc_ck and sys_ck. Fix by pre-initializing all struct clks before running any other clock init code. Incorporates review comments from Russell King . Resolves <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>pgd = c0004000 <1>[00000000] *pgd=00000000 Internal error: Oops: 5 [#1] Modules linked in: CPU: 0 Not tainted (2.6.29-omap1 #37) PC is at propagate_rate+0x10/0x60 LR is at omap2_clk_init+0x30/0x218 ... Signed-off-by: Paul Walmsley Tested-by: Jarkko Nikula Cc: Russell King --- arch/arm/mach-omap2/clock24xx.c | 6 +++--- arch/arm/plat-omap/clock.c | 7 +++++++ 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index 1e839c5a28c5..984fb86349ba 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -720,14 +720,14 @@ int __init omap2_clk_init(void) clk_init(&omap2_clk_functions); + for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++) + clk_init_one(c->lk.clk); + osc_ck.rate = omap2_osc_clk_recalc(&osc_ck); propagate_rate(&osc_ck); sys_ck.rate = omap2_sys_clk_recalc(&sys_ck); propagate_rate(&sys_ck); - for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++) - clk_init_one(c->lk.clk); - cpu_mask = 0; if (cpu_is_omap2420()) cpu_mask |= CK_242X; diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 2e0614552ac8..29efc279287a 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -239,6 +239,13 @@ void recalculate_root_clocks(void) } } +/** + * clk_init_one - initialize any fields in the struct clk before clk init + * @clk: struct clk * to initialize + * + * Initialize any struct clk fields needed before normal clk initialization + * can run. No return value. + */ void clk_init_one(struct clk *clk) { INIT_LIST_HEAD(&clk->children); From a1992db55d80297544a65160ddb98afba45f7759 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 23 Apr 2009 08:22:23 +0200 Subject: [PATCH 053/478] ASoC: remove non-existing referece to CONFIG_SND_SOC_CODEC_WM8991 Signed-off-by: Takashi Iwai --- sound/soc/codecs/Makefile | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 030d2454725f..f2653803ede8 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -56,7 +56,6 @@ obj-$(CONFIG_SND_SOC_WM8900) += snd-soc-wm8900.o obj-$(CONFIG_SND_SOC_WM8903) += snd-soc-wm8903.o obj-$(CONFIG_SND_SOC_WM8971) += snd-soc-wm8971.o obj-$(CONFIG_SND_SOC_WM8990) += snd-soc-wm8990.o -obj-$(CONFIG_SND_SOC_WM8991) += snd-soc-wm8991.o obj-$(CONFIG_SND_SOC_WM9705) += snd-soc-wm9705.o obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o From 7315613f87f4aa0a52f60814f4ee3802e0bb1ec5 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 23 Apr 2009 08:24:48 +0200 Subject: [PATCH 054/478] ALSA: hda - Fix init verbs of AD1884A mobile model The current ad1884a-mobile model has a problem that the speaker output doesn't work sometimes after boot or power-saving on some HP laptops. It seems that the verbs accessing to the non-functional widgets cause this problem. This patch simplifies the init verbs for mobile model not to touch unnecessary setups so that it avoids the speaker-mute problem. Reference: Novell bnc#495668 https://bugzilla.novell.com/show_bug.cgi?id=495668 Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_analog.c | 45 +++++++++++++++++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index 9bcd8ab5a27f..84cc49ca9148 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -3817,6 +3817,49 @@ static struct hda_verb ad1884a_laptop_verbs[] = { { } /* end */ }; +static struct hda_verb ad1884a_mobile_verbs[] = { + /* DACs; unmute as default */ + {0x03, AC_VERB_SET_AMP_GAIN_MUTE, 0x27}, /* 0dB */ + {0x04, AC_VERB_SET_AMP_GAIN_MUTE, 0x27}, /* 0dB */ + /* Port-A (HP) mixer - route only from analog mixer */ + {0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)}, + {0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)}, + /* Port-A pin */ + {0x11, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP}, + /* Port-A (HP) pin - always unmuted */ + {0x11, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, + /* Port-B (mic jack) pin */ + {0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80}, + {0x14, AC_VERB_SET_AMP_GAIN_MUTE, 0x7002}, /* raise mic as default */ + /* Port-C (int mic) pin */ + {0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80}, + {0x15, AC_VERB_SET_AMP_GAIN_MUTE, 0x7002}, /* raise mic as default */ + /* Port-F (int speaker) mixer - route only from analog mixer */ + {0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)}, + {0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)}, + /* Port-F pin */ + {0x16, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP}, + {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, + /* Analog mixer; mute as default */ + {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)}, + {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)}, + {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)}, + {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)}, + {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)}, + {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(5)}, + /* Analog Mix output amp */ + {0x21, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, + /* capture sources */ + /* {0x0c, AC_VERB_SET_CONNECT_SEL, 0x0}, */ /* set via unsol */ + {0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, + {0x0d, AC_VERB_SET_CONNECT_SEL, 0x0}, + {0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, + /* unsolicited event for pin-sense */ + {0x11, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_HP_EVENT}, + {0x14, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_MIC_EVENT}, + { } /* end */ +}; + /* * Thinkpad X300 * 0x11 - HP @@ -3988,7 +4031,7 @@ static int patch_ad1884a(struct hda_codec *codec) break; case AD1884A_MOBILE: spec->mixers[0] = ad1884a_mobile_mixers; - spec->init_verbs[spec->num_init_verbs++] = ad1884a_laptop_verbs; + spec->init_verbs[0] = ad1884a_mobile_verbs; spec->multiout.dig_out_nid = 0; codec->patch_ops.unsol_event = ad1884a_hp_unsol_event; codec->patch_ops.init = ad1884a_hp_init; From 323d23aeac4918c7a540b597a26fa7a67645593a Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Thu, 23 Apr 2009 08:51:22 -0500 Subject: [PATCH 055/478] Revert "powerpc: Add support for early tlbilx opcode" This reverts commit e9965577406a2148ade97b5e0ce7c448b4ba4ef6. Our HW guys were able to fix this so it never sees the light of day. Signed-off-by: Kumar Gala --- arch/powerpc/include/asm/mmu.h | 6 ------ arch/powerpc/include/asm/ppc-opcode.h | 11 +---------- arch/powerpc/kernel/cputable.c | 2 +- arch/powerpc/mm/tlb_nohash_low.S | 14 +------------- 4 files changed, 3 insertions(+), 30 deletions(-) diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 86d2366ab6a1..cbf154387091 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -52,12 +52,6 @@ */ #define MMU_FTR_NEED_DTLB_SW_LRU ASM_CONST(0x00200000) -/* This indicates that the processor uses the wrong opcode for tlbilx - * instructions. During the ISA 2.06 development the opcode for tlbilx - * changed and some early implementations used to old opcode - */ -#define MMU_FTR_TLBILX_EARLY_OPCODE ASM_CONST(0x00400000) - #ifndef __ASSEMBLY__ #include diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index ef4da37f3c10..640ccbbc0977 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -44,7 +44,6 @@ #define PPC_INST_STSWI 0x7c0005aa #define PPC_INST_STSWX 0x7c00052a #define PPC_INST_TLBILX 0x7c000024 -#define PPC_INST_TLBILX_EARLY 0x7c000626 #define PPC_INST_WAIT 0x7c00007c /* macros to insert fields into opcodes */ @@ -64,18 +63,10 @@ #define PPC_RFDI stringify_in_c(.long PPC_INST_RFDI) #define PPC_RFMCI stringify_in_c(.long PPC_INST_RFMCI) #define PPC_TLBILX(t, a, b) stringify_in_c(.long PPC_INST_TLBILX | \ - __PPC_T_TLB(t) | \ - __PPC_RA(a) | __PPC_RB(b)) + __PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b)) #define PPC_TLBILX_ALL(a, b) PPC_TLBILX(0, a, b) #define PPC_TLBILX_PID(a, b) PPC_TLBILX(1, a, b) #define PPC_TLBILX_VA(a, b) PPC_TLBILX(3, a, b) - -#define PPC_TLBILX_EARLY(t, a, b) stringify_in_c(.long PPC_INST_TLBILX_EARLY | \ - __PPC_T_TLB(t) | \ - __PPC_RA(a) | __PPC_RB(b)) -#define PPC_TLBILX_ALL_EARLY(a, b) PPC_TLBILX_EARLY(0, a, b) -#define PPC_TLBILX_PID_EARLY(a, b) PPC_TLBILX_EARLY(1, a, b) -#define PPC_TLBILX_VA_EARLY(a, b) PPC_TLBILX_EARLY(3, a, b) #define PPC_WAIT(w) stringify_in_c(.long PPC_INST_WAIT | \ __PPC_WC(w)) diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 57db50f40289..cd1b687544f3 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1766,7 +1766,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_features = CPU_FTRS_E500MC, .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | - MMU_FTR_USE_TLBILX | MMU_FTR_TLBILX_EARLY_OPCODE, + MMU_FTR_USE_TLBILX, .icache_bsize = 64, .dcache_bsize = 64, .num_pmcs = 4, diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S index 45fed3698349..788b87c36f77 100644 --- a/arch/powerpc/mm/tlb_nohash_low.S +++ b/arch/powerpc/mm/tlb_nohash_low.S @@ -138,11 +138,7 @@ BEGIN_MMU_FTR_SECTION andi. r3,r3,MMUCSR0_TLBFI@l bne 1b MMU_FTR_SECTION_ELSE - BEGIN_MMU_FTR_SECTION_NESTED(96) - PPC_TLBILX_ALL(0,r3) - MMU_FTR_SECTION_ELSE_NESTED(96) - PPC_TLBILX_ALL_EARLY(0,r3) - ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_TLBILX_EARLY_OPCODE, 96) + PPC_TLBILX_ALL(0,0) ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) msync isync @@ -155,11 +151,7 @@ BEGIN_MMU_FTR_SECTION wrteei 0 mfspr r4,SPRN_MAS6 /* save MAS6 */ mtspr SPRN_MAS6,r3 - BEGIN_MMU_FTR_SECTION_NESTED(96) PPC_TLBILX_PID(0,0) - MMU_FTR_SECTION_ELSE_NESTED(96) - PPC_TLBILX_PID_EARLY(0,0) - ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_TLBILX_EARLY_OPCODE, 96) mtspr SPRN_MAS6,r4 /* restore MAS6 */ wrtee r10 MMU_FTR_SECTION_ELSE @@ -193,11 +185,7 @@ BEGIN_MMU_FTR_SECTION mtspr SPRN_MAS1,r4 tlbwe MMU_FTR_SECTION_ELSE - BEGIN_MMU_FTR_SECTION_NESTED(96) PPC_TLBILX_VA(0,r3) - MMU_FTR_SECTION_ELSE_NESTED(96) - PPC_TLBILX_VA_EARLY(0,r3) - ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_TLBILX_EARLY_OPCODE, 96) ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) msync isync From b62c31ae401c6df25c61b206681a6e904ef97169 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Thu, 23 Apr 2009 22:56:11 +1000 Subject: [PATCH 056/478] powerpc: fix for long standing bug noticed by gcc 4.4.0 Previous gcc versions didn't notice this because one of the preceding #ifs always evaluated to true. gcc 4.4.0 produced this error: arch/powerpc/mm/tlb_nohash_low.S:206:6: error: #elif with no expression Signed-off-by: Stephen Rothwell Acked-by: Josh Boyer Signed-off-by: Kumar Gala --- arch/powerpc/mm/tlb_nohash_low.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S index 788b87c36f77..3037911279b1 100644 --- a/arch/powerpc/mm/tlb_nohash_low.S +++ b/arch/powerpc/mm/tlb_nohash_low.S @@ -191,6 +191,6 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) isync 1: wrtee r10 blr -#elif +#else #error Unsupported processor type ! #endif From a396e32ef0f3b98700abb9a6da3530c945e55908 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 23 Apr 2009 15:43:45 +0100 Subject: [PATCH 057/478] ASoC: s3c-i2s-v2 needs to declare a license for modular builds It relies on EXPORT_SYMBOL_GPL() symbols. Signed-off-by: Mark Brown --- sound/soc/s3c24xx/s3c-i2s-v2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c index 689ffcd17e1f..ab680aac3fcb 100644 --- a/sound/soc/s3c24xx/s3c-i2s-v2.c +++ b/sound/soc/s3c24xx/s3c-i2s-v2.c @@ -636,5 +636,6 @@ int s3c_i2sv2_register_dai(struct snd_soc_dai *dai) return snd_soc_register_dai(dai); } - EXPORT_SYMBOL_GPL(s3c_i2sv2_register_dai); + +MODULE_LICENSE("GPL"); From 9232fcc99948e39d5be04fc1c1025bd4f7998739 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Wed, 8 Apr 2009 14:49:38 -0700 Subject: [PATCH 058/478] davinci: add default Kconfig, add HAVE_IDE Signed-off-by: Kevin Hilman --- arch/arm/Kconfig | 1 + arch/arm/configs/davinci_all_defconfig | 1784 ++++++++++++++++++++++++ 2 files changed, 1785 insertions(+) create mode 100644 arch/arm/configs/davinci_all_defconfig diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e02b893fb909..bb57f35e7683 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -585,6 +585,7 @@ config ARCH_DAVINCI select ARCH_REQUIRE_GPIOLIB select HAVE_CLK select ZONE_DMA + select HAVE_IDE help Support for TI's DaVinci platform. diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig new file mode 100644 index 000000000000..eb2738b5be5f --- /dev/null +++ b/arch/arm/configs/davinci_all_defconfig @@ -0,0 +1,1784 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.30-rc2 +# Wed Apr 15 08:16:53 2009 +# +CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_MMU=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_POSIX_MQUEUE_SYSCTL=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +# CONFIG_STRIP_ASM_SYMS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLUB_DEBUG=y +CONFIG_COMPAT_BRK=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_CLK=y +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +CONFIG_MODVERSIONS=y +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +# CONFIG_FREEZER is not set + +# +# System Type +# +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_GEMINI is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_MMP is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_S3C64XX is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +CONFIG_ARCH_DAVINCI=y +# CONFIG_ARCH_OMAP is not set +# CONFIG_ARCH_MSM is not set +# CONFIG_ARCH_W90X900 is not set + +# +# TI DaVinci Implementations +# + +# +# DaVinci Core Type +# +CONFIG_ARCH_DAVINCI_DM644x=y + +# +# DaVinci Board Type +# +CONFIG_MACH_DAVINCI_EVM=y +CONFIG_DAVINCI_MUX=y +CONFIG_DAVINCI_MUX_DEBUG=y +CONFIG_DAVINCI_MUX_WARNINGS=y +CONFIG_DAVINCI_RESET_CLOCKS=y + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_ARM926T=y +CONFIG_CPU_32v5=y +CONFIG_CPU_ABRT_EV5TJ=y +CONFIG_CPU_PABRT_NOIFAR=y +CONFIG_CPU_CACHE_VIVT=y +CONFIG_CPU_COPY_V4WB=y +CONFIG_CPU_TLB_V4WBI=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_WRITETHROUGH is not set +# CONFIG_CPU_CACHE_ROUND_ROBIN is not set +# CONFIG_OUTER_CACHE is not set +CONFIG_COMMON_CLKDEV=y + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_PREEMPT=y +CONFIG_HZ=100 +CONFIG_AEABI=y +# CONFIG_OABI_COMPAT is not set +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_HIGHMEM is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4096 +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +CONFIG_LEDS=y +# CONFIG_LEDS_CPU is not set +CONFIG_ALIGNMENT_TRAP=y + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="" +# CONFIG_XIP_KERNEL is not set +# CONFIG_KEXEC is not set + +# +# CPU Power Management +# +# CONFIG_CPU_IDLE is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +# CONFIG_VFP is not set + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_HAVE_AOUT=y +# CONFIG_BINFMT_AOUT is not set +# CONFIG_BINFMT_MISC is not set + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +CONFIG_INET_TUNNEL=m +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +CONFIG_IPV6=m +# CONFIG_IPV6_PRIVACY is not set +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +# CONFIG_INET6_AH is not set +# CONFIG_INET6_ESP is not set +# CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=m +CONFIG_IPV6_NDISC_NODETYPE=y +# CONFIG_IPV6_TUNNEL is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set +# CONFIG_IPV6_MROUTE is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_NETFILTER_ADVANCED=y + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +# CONFIG_NF_CONNTRACK is not set +# CONFIG_NETFILTER_XTABLES is not set +# CONFIG_IP_VS is not set + +# +# IP: Netfilter Configuration +# +# CONFIG_NF_DEFRAG_IPV4 is not set +# CONFIG_IP_NF_QUEUE is not set +# CONFIG_IP_NF_IPTABLES is not set +# CONFIG_IP_NF_ARPTABLES is not set + +# +# IPv6: Netfilter Configuration +# +# CONFIG_IP6_NF_QUEUE is not set +# CONFIG_IP6_NF_IPTABLES is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +# CONFIG_WIRELESS is not set +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=m +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=m +CONFIG_MTD_BLKDEVS=m +CONFIG_MTD_BLOCK=m +# CONFIG_MTD_BLOCK_RO is not set +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=m +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=m +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=m +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=m +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +CONFIG_MTD_PHYSMAP=m +# CONFIG_MTD_PHYSMAP_COMPAT is not set +# CONFIG_MTD_ARM_INTEGRATOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=m +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set +CONFIG_MTD_NAND_IDS=m +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +CONFIG_MTD_NAND_DAVINCI=m +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=m +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=1 +CONFIG_BLK_DEV_RAM_SIZE=32768 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +# CONFIG_ICS932S401 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_ISL29003 is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +CONFIG_EEPROM_AT24=y +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_93CX6 is not set +CONFIG_HAVE_IDE=y +CONFIG_IDE=m + +# +# Please see Documentation/ide/ide.txt for help/info on IDE drives +# +CONFIG_IDE_XFER_MODE=y +CONFIG_IDE_TIMINGS=y +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_IDE_GD=m +CONFIG_IDE_GD_ATA=y +# CONFIG_IDE_GD_ATAPI is not set +# CONFIG_BLK_DEV_IDECD is not set +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_IDE_TASK_IOCTL is not set +CONFIG_IDE_PROC_FS=y + +# +# IDE chipset support/bugfixes +# +# CONFIG_BLK_DEV_PLATFORM is not set +CONFIG_BLK_DEV_IDEDMA_SFF=y +CONFIG_BLK_DEV_PALMCHIP_BK3710=m +CONFIG_BLK_DEV_IDEDMA=y + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=m +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=m +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +CONFIG_COMPAT_NET_DEV_OPS=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +CONFIG_TUN=m +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +CONFIG_LXT_PHY=y +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +CONFIG_LSI_ET1011C_PHY=y +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_AX88796 is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_SMC911X is not set +# CONFIG_SMSC911X is not set +# CONFIG_DNET is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +CONFIG_PPP=m +# CONFIG_PPP_MULTILINK is not set +# CONFIG_PPP_FILTER is not set +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +CONFIG_PPP_DEFLATE=m +# CONFIG_PPP_BSDCOMP is not set +# CONFIG_PPP_MPPE is not set +# CONFIG_PPPOE is not set +# CONFIG_PPPOL2TP is not set +# CONFIG_SLIP is not set +CONFIG_SLHC=m +CONFIG_NETCONSOLE=y +# CONFIG_NETCONSOLE_DYNAMIC is not set +CONFIG_NETPOLL=y +CONFIG_NETPOLL_TRAP=y +CONFIG_NET_POLL_CONTROLLER=y +# CONFIG_ISDN is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=m +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=m +CONFIG_INPUT_EVBUG=m + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=m +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +CONFIG_KEYBOARD_XTKBD=m +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +CONFIG_KEYBOARD_GPIO=y +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_TOUCHSCREEN_AD7879_I2C is not set +# CONFIG_TOUCHSCREEN_AD7879 is not set +# CONFIG_TOUCHSCREEN_FUJITSU is not set +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_INEXIO is not set +# CONFIG_TOUCHSCREEN_MK712 is not set +# CONFIG_TOUCHSCREEN_PENMOUNT is not set +# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set +# CONFIG_TOUCHSCREEN_TOUCHWIN is not set +# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set +# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +# CONFIG_TOUCHSCREEN_TSC2007 is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_SERPORT=y +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +# CONFIG_VT_CONSOLE is not set +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=3 +CONFIG_SERIAL_8250_RUNTIME_UARTS=3 +# CONFIG_SERIAL_8250_EXTENDED is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=m +# CONFIG_HW_RANDOM_TIMERIOMEM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +CONFIG_I2C_DAVINCI=y +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +# CONFIG_SPI is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set + +# +# Memory mapped GPIO expanders: +# + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +CONFIG_GPIO_PCF857X=m + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7414 is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ADT7475 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_G760A is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_LTC4215 is not set +# CONFIG_SENSORS_LTC4245 is not set +# CONFIG_SENSORS_LM95241 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_SHT15 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_DAVINCI_WATCHDOG=m + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_MFD_ASIC3 is not set +# CONFIG_HTC_EGPIO is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_TPS65010 is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L2_COMMON=y +CONFIG_VIDEO_ALLOW_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +# CONFIG_DVB_CORE is not set +CONFIG_VIDEO_MEDIA=y + +# +# Multimedia drivers +# +# CONFIG_MEDIA_ATTACH is not set +CONFIG_MEDIA_TUNER=y +# CONFIG_MEDIA_TUNER_CUSTOMISE is not set +CONFIG_MEDIA_TUNER_SIMPLE=y +CONFIG_MEDIA_TUNER_TDA8290=y +CONFIG_MEDIA_TUNER_TDA9887=y +CONFIG_MEDIA_TUNER_TEA5761=y +CONFIG_MEDIA_TUNER_TEA5767=y +CONFIG_MEDIA_TUNER_MT20XX=y +CONFIG_MEDIA_TUNER_XC2028=y +CONFIG_MEDIA_TUNER_XC5000=y +CONFIG_MEDIA_TUNER_MC44S803=y +CONFIG_VIDEO_V4L2=y +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_CAPTURE_DRIVERS=y +# CONFIG_VIDEO_ADV_DEBUG is not set +# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set +# CONFIG_VIDEO_CPIA is not set +# CONFIG_VIDEO_CPIA2 is not set +# CONFIG_VIDEO_SAA5246A is not set +# CONFIG_VIDEO_SAA5249 is not set +# CONFIG_SOC_CAMERA is not set +# CONFIG_V4L_USB_DRIVERS is not set +# CONFIG_RADIO_ADAPTERS is not set +CONFIG_DAB=y +# CONFIG_USB_DABUSB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=m +CONFIG_FB=y +CONFIG_FIRMWARE_EDID=y +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +# CONFIG_FB_CFB_FILLRECT is not set +# CONFIG_FB_CFB_COPYAREA is not set +# CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +CONFIG_LOGO=y +CONFIG_LOGO_LINUX_MONO=y +CONFIG_LOGO_LINUX_VGA16=y +CONFIG_LOGO_LINUX_CLUT224=y +CONFIG_SOUND=m +# CONFIG_SOUND_OSS_CORE is not set +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +CONFIG_SND_JACK=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_HRTIMER is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_ARM=y +CONFIG_SND_USB=y +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_CAIAQ is not set +CONFIG_SND_SOC=m +# CONFIG_SND_DAVINCI_SOC is not set +CONFIG_SND_SOC_I2C_AND_SPI=m +# CONFIG_SND_SOC_ALL_CODECS is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=m +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=m +# CONFIG_HID_PID is not set +# CONFIG_USB_HIDDEV is not set + +# +# USB HID Boot Protocol drivers +# +# CONFIG_USB_KBD is not set +# CONFIG_USB_MOUSE is not set + +# +# Special HID drivers +# +CONFIG_HID_A4TECH=m +CONFIG_HID_APPLE=m +CONFIG_HID_BELKIN=m +CONFIG_HID_CHERRY=m +CONFIG_HID_CHICONY=m +CONFIG_HID_CYPRESS=m +# CONFIG_DRAGONRISE_FF is not set +CONFIG_HID_EZKEY=m +# CONFIG_HID_KYE is not set +CONFIG_HID_GYRATION=m +# CONFIG_HID_KENSINGTON is not set +CONFIG_HID_LOGITECH=m +# CONFIG_LOGITECH_FF is not set +# CONFIG_LOGIRUMBLEPAD2_FF is not set +CONFIG_HID_MICROSOFT=m +CONFIG_HID_MONTEREY=m +# CONFIG_HID_NTRIG is not set +CONFIG_HID_PANTHERLORD=m +# CONFIG_PANTHERLORD_FF is not set +CONFIG_HID_PETALYNX=m +CONFIG_HID_SAMSUNG=m +CONFIG_HID_SONY=m +CONFIG_HID_SUNPLUS=m +# CONFIG_GREENASIA_FF is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_THRUSTMASTER_FF is not set +# CONFIG_ZEROPLUS_FF is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=m +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=m +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +CONFIG_USB_MUSB_HDRC=m +CONFIG_USB_MUSB_SOC=y + +# +# DaVinci 35x and 644x USB support +# +# CONFIG_USB_MUSB_HOST is not set +CONFIG_USB_MUSB_PERIPHERAL=y +# CONFIG_USB_MUSB_OTG is not set +CONFIG_USB_GADGET_MUSB_HDRC=y +CONFIG_MUSB_PIO_ONLY=y +# CONFIG_USB_MUSB_DEBUG is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +CONFIG_USB_STORAGE=m +# CONFIG_USB_STORAGE_DEBUG is not set +# CONFIG_USB_STORAGE_DATAFAB is not set +# CONFIG_USB_STORAGE_FREECOM is not set +# CONFIG_USB_STORAGE_ISD200 is not set +# CONFIG_USB_STORAGE_USBAT is not set +# CONFIG_USB_STORAGE_SDDR09 is not set +# CONFIG_USB_STORAGE_SDDR55 is not set +# CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +CONFIG_USB_TEST=m +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set +CONFIG_USB_GADGET=m +# CONFIG_USB_GADGET_DEBUG is not set +CONFIG_USB_GADGET_DEBUG_FILES=y +CONFIG_USB_GADGET_DEBUG_FS=y +CONFIG_USB_GADGET_VBUS_DRAW=2 +CONFIG_USB_GADGET_SELECTED=y +# CONFIG_USB_GADGET_AT91 is not set +# CONFIG_USB_GADGET_ATMEL_USBA is not set +# CONFIG_USB_GADGET_FSL_USB2 is not set +# CONFIG_USB_GADGET_LH7A40X is not set +# CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_PXA25X is not set +# CONFIG_USB_GADGET_PXA27X is not set +# CONFIG_USB_GADGET_S3C2410 is not set +# CONFIG_USB_GADGET_IMX is not set +# CONFIG_USB_GADGET_M66592 is not set +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_FSL_QE is not set +# CONFIG_USB_GADGET_CI13XXX is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_GOKU is not set +# CONFIG_USB_GADGET_DUMMY_HCD is not set +CONFIG_USB_GADGET_DUALSPEED=y +CONFIG_USB_ZERO=m +CONFIG_USB_ETH=m +CONFIG_USB_ETH_RNDIS=y +CONFIG_USB_GADGETFS=m +CONFIG_USB_FILE_STORAGE=m +# CONFIG_USB_FILE_STORAGE_TEST is not set +CONFIG_USB_G_SERIAL=m +# CONFIG_USB_MIDI_GADGET is not set +CONFIG_USB_G_PRINTER=m +CONFIG_USB_CDC_COMPOSITE=m + +# +# OTG and related infrastructure +# +CONFIG_USB_OTG_UTILS=y +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_NOP_USB_XCEIV is not set +CONFIG_MMC=m +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD/SDIO Card Drivers +# +CONFIG_MMC_BLOCK=m +# CONFIG_MMC_BLOCK_BOUNCE is not set +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set + +# +# MMC/SD/SDIO Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=m + +# +# LED drivers +# +# CONFIG_LEDS_PCA9532 is not set +CONFIG_LEDS_GPIO=m +CONFIG_LEDS_GPIO_PLATFORM=y +# CONFIG_LEDS_LP5521 is not set +# CONFIG_LEDS_PCA955X is not set +# CONFIG_LEDS_BD2802 is not set + +# +# LED Triggers +# +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=m +# CONFIG_LEDS_TRIGGER_IDE_DISK is not set +CONFIG_LEDS_TRIGGER_HEARTBEAT=m +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set +# CONFIG_LEDS_TRIGGER_GPIO is not set +# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set + +# +# iptables trigger is under Netfilter config (LED target) +# +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=m + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_REGULATOR is not set +# CONFIG_UIO is not set +# CONFIG_STAGING is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +CONFIG_FILE_LOCKING=y +CONFIG_XFS_FS=m +# CONFIG_XFS_QUOTA is not set +# CONFIG_XFS_POSIX_ACL is not set +# CONFIG_XFS_RT is not set +# CONFIG_XFS_DEBUG is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +CONFIG_AUTOFS4_FS=m +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=m +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_CRAMFS=y +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +CONFIG_MINIX_FS=m +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +CONFIG_NFSD=m +CONFIG_NFSD_V3=y +# CONFIG_NFSD_V3_ACL is not set +# CONFIG_NFSD_V4 is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_EXPORTFS=m +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +CONFIG_SMB_FS=m +# CONFIG_SMB_NLS_DEFAULT is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +CONFIG_NLS_ASCII=m +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +CONFIG_NLS_UTF8=m +# CONFIG_DLM is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +CONFIG_TIMER_STATS=y +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_DEBUG_ON is not set +# CONFIG_SLUB_STATS is not set +CONFIG_DEBUG_PREEMPT=y +CONFIG_DEBUG_RT_MUTEXES=y +CONFIG_DEBUG_PI_LIST=y +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +# CONFIG_SYSCTL_SYSCALL_CHECK is not set +# CONFIG_PAGE_POISONING is not set +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_TRACING_SUPPORT=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_EVENT_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +CONFIG_ARM_UNWIND=y +CONFIG_DEBUG_USER=y +CONFIG_DEBUG_ERRORS=y +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_LL is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_FIPS is not set +# CONFIG_CRYPTO_MANAGER is not set +# CONFIG_CRYPTO_MANAGER2 is not set +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +# CONFIG_BINARY_PRINTF is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +CONFIG_CRC_T10DIF=m +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=m +CONFIG_DECOMPRESS_GZIP=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_NLATTR=y From e653034e66ec406f37427f588115badc6fc6af64 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Fri, 20 Mar 2009 17:37:21 -0700 Subject: [PATCH 059/478] davinci: add runtime CPU detection support Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/id.c | 29 ++++++++++-- arch/arm/mach-davinci/include/mach/cputype.h | 49 ++++++++++++++++++++ 2 files changed, 75 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-davinci/include/mach/cputype.h diff --git a/arch/arm/mach-davinci/id.c b/arch/arm/mach-davinci/id.c index bf067d604918..379f2baf66d6 100644 --- a/arch/arm/mach-davinci/id.c +++ b/arch/arm/mach-davinci/id.c @@ -17,6 +17,8 @@ #define JTAG_ID_BASE 0x01c40028 +static unsigned int davinci_revision; + struct davinci_id { u8 variant; /* JTAG ID bits 31:28 */ u16 part_no; /* JTAG ID bits 27:12 */ @@ -33,6 +35,20 @@ static struct davinci_id davinci_ids[] __initdata = { .manufacturer = 0x017, .type = 0x64460000, }, + { + /* DM646X */ + .part_no = 0xb770, + .variant = 0x0, + .manufacturer = 0x017, + .type = 0x64670000, + }, + { + /* DM355 */ + .part_no = 0xb73b, + .variant = 0x0, + .manufacturer = 0x00f, + .type = 0x03550000, + }, }; /* @@ -63,6 +79,12 @@ static u8 __init davinci_get_variant(void) return variant; } +unsigned int davinci_rev(void) +{ + return davinci_revision >> 16; +} +EXPORT_SYMBOL(davinci_rev); + void __init davinci_check_revision(void) { int i; @@ -75,7 +97,7 @@ void __init davinci_check_revision(void) /* First check only the major version in a safe way */ for (i = 0; i < ARRAY_SIZE(davinci_ids); i++) { if (part_no == (davinci_ids[i].part_no)) { - system_rev = davinci_ids[i].type; + davinci_revision = davinci_ids[i].type; break; } } @@ -84,10 +106,11 @@ void __init davinci_check_revision(void) for (i = 0; i < ARRAY_SIZE(davinci_ids); i++) { if (part_no == davinci_ids[i].part_no && variant == davinci_ids[i].variant) { - system_rev = davinci_ids[i].type; + davinci_revision = davinci_ids[i].type; break; } } - printk("DaVinci DM%04x variant 0x%x\n", system_rev >> 16, variant); + printk(KERN_INFO "DaVinci DM%04x variant 0x%x\n", + davinci_rev(), variant); } diff --git a/arch/arm/mach-davinci/include/mach/cputype.h b/arch/arm/mach-davinci/include/mach/cputype.h new file mode 100644 index 000000000000..27cfb1b3a662 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/cputype.h @@ -0,0 +1,49 @@ +/* + * DaVinci CPU type detection + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * Defines the cpu_is_*() macros for runtime detection of DaVinci + * device type. In addtion, if support for a given device is not + * compiled in to the kernel, the macros return 0 so that + * resulting code can be optimized out. + * + * 2009 (c) Deep Root Systems, LLC. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef _ASM_ARCH_CPU_H +#define _ASM_ARCH_CPU_H + +extern unsigned int davinci_rev(void); + +#define IS_DAVINCI_CPU(type, id) \ +static inline int is_davinci_dm ##type(void) \ +{ \ + return (davinci_rev() == (id)) ? 1 : 0; \ +} + +IS_DAVINCI_CPU(644x, 0x6446) +IS_DAVINCI_CPU(646x, 0x6467) +IS_DAVINCI_CPU(355, 0x355) + +#ifdef CONFIG_ARCH_DAVINCI_DM644x +#define cpu_is_davinci_dm644x() is_davinci_dm644x() +#else +#define cpu_is_davinci_dm644x() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DM646x +#define cpu_is_davinci_dm646x() is_davinci_dm646x() +#else +#define cpu_is_davinci_dm646x() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DM355 +#define cpu_is_davinci_dm355() is_davinci_dm355() +#else +#define cpu_is_davinci_dm355() 0 +#endif + +#endif From c5b736d093217890245a33e9a98fe92d6f3529bf Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Fri, 20 Mar 2009 17:29:01 -0700 Subject: [PATCH 060/478] davinci: major rework of clock, PLL, PSC infrastructure This is a significant rework of the low-level clock, PLL and Power Sleep Controller (PSC) implementation for the DaVinci family. The primary goal is to have better modeling if the hardware clocks and features with the aim of DVFS functionality. Highlights: - model PLLs and all PLL-derived clocks - model parent/child relationships of PLLs and clocks - convert to new clkdev layer - view clock frequency and refcount via /proc/davinci_clocks Special thanks to significant contributions and testing by David Brownell. Cc: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/Kconfig | 1 + arch/arm/mach-davinci/Kconfig | 12 + arch/arm/mach-davinci/board-evm.c | 2 - arch/arm/mach-davinci/clock.c | 383 ++++++++++++-------- arch/arm/mach-davinci/clock.h | 87 ++++- arch/arm/mach-davinci/include/mach/clkdev.h | 13 + arch/arm/mach-davinci/include/mach/clock.h | 1 - arch/arm/mach-davinci/include/mach/psc.h | 53 ++- arch/arm/mach-davinci/io.c | 1 - arch/arm/mach-davinci/psc.c | 81 ++--- 10 files changed, 401 insertions(+), 233 deletions(-) create mode 100644 arch/arm/mach-davinci/include/mach/clkdev.h diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index bb57f35e7683..cfd99649ad85 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -586,6 +586,7 @@ config ARCH_DAVINCI select HAVE_CLK select ZONE_DMA select HAVE_IDE + select COMMON_CLKDEV help Support for TI's DaVinci platform. diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index bac988e7a4c3..af886734c73b 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -18,6 +18,18 @@ config MACH_DAVINCI_EVM Configure this option to specify the whether the board used for development is a DaVinci EVM +config DAVINCI_RESET_CLOCKS + bool "Reset unused clocks during boot" + depends on ARCH_DAVINCI + help + Say Y if you want to reset unused clocks during boot. + This option saves power, but assumes all drivers are + using the clock framework. Broken drivers that do not + yet use clock framework may not work with this option. + If you are booting from another operating system, you + probably do not want this option enabled until your + device drivers work properly. + endmenu endif diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c index 0b97a528902b..1b745c39d891 100644 --- a/arch/arm/mach-davinci/board-evm.c +++ b/arch/arm/mach-davinci/board-evm.c @@ -406,8 +406,6 @@ davinci_evm_map_io(void) static __init void davinci_evm_init(void) { - davinci_psc_init(); - #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) #if defined(CONFIG_MTD_PHYSMAP) || \ diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index abb92b7eca0c..f0baaa15a57e 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c @@ -1,7 +1,8 @@ /* - * TI DaVinci clock config file + * Clock and PLL control for DaVinci devices * - * Copyright (C) 2006 Texas Instruments. + * Copyright (C) 2006-2007 Texas Instruments. + * Copyright (C) 2008-2009 Deep Root Systems, LLC * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -13,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -21,98 +23,50 @@ #include #include +#include #include "clock.h" -/* PLL/Reset register offsets */ -#define PLLM 0x110 - static LIST_HEAD(clocks); static DEFINE_MUTEX(clocks_mutex); static DEFINE_SPINLOCK(clockfw_lock); -static unsigned int commonrate; -static unsigned int armrate; -static unsigned int fixedrate = 27000000; /* 27 MHZ */ - -extern void davinci_psc_config(unsigned int domain, unsigned int id, char enable); - -/* - * Returns a clock. Note that we first try to use device id on the bus - * and clock name. If this fails, we try to use clock name only. - */ -struct clk *clk_get(struct device *dev, const char *id) +static unsigned psc_domain(struct clk *clk) { - struct clk *p, *clk = ERR_PTR(-ENOENT); - int idno; - - if (dev == NULL || dev->bus != &platform_bus_type) - idno = -1; - else - idno = to_platform_device(dev)->id; - - mutex_lock(&clocks_mutex); - - list_for_each_entry(p, &clocks, node) { - if (p->id == idno && - strcmp(id, p->name) == 0 && try_module_get(p->owner)) { - clk = p; - goto found; - } - } - - list_for_each_entry(p, &clocks, node) { - if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) { - clk = p; - break; - } - } - -found: - mutex_unlock(&clocks_mutex); - - return clk; + return (clk->flags & PSC_DSP) + ? DAVINCI_GPSC_DSPDOMAIN + : DAVINCI_GPSC_ARMDOMAIN; } -EXPORT_SYMBOL(clk_get); -void clk_put(struct clk *clk) +static void __clk_enable(struct clk *clk) { - if (clk && !IS_ERR(clk)) - module_put(clk->owner); -} -EXPORT_SYMBOL(clk_put); - -static int __clk_enable(struct clk *clk) -{ - if (clk->flags & ALWAYS_ENABLED) - return 0; - - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, clk->lpsc, 1); - return 0; + if (clk->parent) + __clk_enable(clk->parent); + if (clk->usecount++ == 0 && (clk->flags & CLK_PSC)) + davinci_psc_config(psc_domain(clk), clk->lpsc, 1); } static void __clk_disable(struct clk *clk) { - if (clk->usecount) + if (WARN_ON(clk->usecount == 0)) return; - - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, clk->lpsc, 0); + if (--clk->usecount == 0 && !(clk->flags & CLK_PLL)) + davinci_psc_config(psc_domain(clk), clk->lpsc, 0); + if (clk->parent) + __clk_disable(clk->parent); } int clk_enable(struct clk *clk) { unsigned long flags; - int ret = 0; if (clk == NULL || IS_ERR(clk)) return -EINVAL; - if (clk->usecount++ == 0) { - spin_lock_irqsave(&clockfw_lock, flags); - ret = __clk_enable(clk); - spin_unlock_irqrestore(&clockfw_lock, flags); - } + spin_lock_irqsave(&clockfw_lock, flags); + __clk_enable(clk); + spin_unlock_irqrestore(&clockfw_lock, flags); - return ret; + return 0; } EXPORT_SYMBOL(clk_enable); @@ -123,11 +77,9 @@ void clk_disable(struct clk *clk) if (clk == NULL || IS_ERR(clk)) return; - if (clk->usecount > 0 && !(--clk->usecount)) { - spin_lock_irqsave(&clockfw_lock, flags); - __clk_disable(clk); - spin_unlock_irqrestore(&clockfw_lock, flags); - } + spin_lock_irqsave(&clockfw_lock, flags); + __clk_disable(clk); + spin_unlock_irqrestore(&clockfw_lock, flags); } EXPORT_SYMBOL(clk_disable); @@ -136,7 +88,7 @@ unsigned long clk_get_rate(struct clk *clk) if (clk == NULL || IS_ERR(clk)) return -EINVAL; - return *(clk->rate); + return clk->rate; } EXPORT_SYMBOL(clk_get_rate); @@ -145,7 +97,7 @@ long clk_round_rate(struct clk *clk, unsigned long rate) if (clk == NULL || IS_ERR(clk)) return -EINVAL; - return *(clk->rate); + return clk->rate; } EXPORT_SYMBOL(clk_round_rate); @@ -164,10 +116,23 @@ int clk_register(struct clk *clk) if (clk == NULL || IS_ERR(clk)) return -EINVAL; + if (WARN(clk->parent && !clk->parent->rate, + "CLK: %s parent %s has no rate!\n", + clk->name, clk->parent->name)) + return -EINVAL; + mutex_lock(&clocks_mutex); - list_add(&clk->node, &clocks); + list_add_tail(&clk->node, &clocks); mutex_unlock(&clocks_mutex); + /* If rate is already set, use it */ + if (clk->rate) + return 0; + + /* Otherwise, default to parent rate */ + if (clk->parent) + clk->rate = clk->parent->rate; + return 0; } EXPORT_SYMBOL(clk_register); @@ -183,84 +148,150 @@ void clk_unregister(struct clk *clk) } EXPORT_SYMBOL(clk_unregister); -static struct clk davinci_clks[] = { - { - .name = "ARMCLK", - .rate = &armrate, - .lpsc = -1, - .flags = ALWAYS_ENABLED, - }, - { - .name = "UART", - .rate = &fixedrate, - .lpsc = DAVINCI_LPSC_UART0, - }, - { - .name = "EMACCLK", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_EMAC_WRAPPER, - }, - { - .name = "I2CCLK", - .rate = &fixedrate, - .lpsc = DAVINCI_LPSC_I2C, - }, - { - .name = "IDECLK", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_ATA, - }, - { - .name = "McBSPCLK", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_McBSP, - }, - { - .name = "MMCSDCLK", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_MMC_SD, - }, - { - .name = "SPICLK", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_SPI, - }, - { - .name = "gpio", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_GPIO, - }, - { - .name = "usb", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_USB, - }, - { - .name = "AEMIFCLK", - .rate = &commonrate, - .lpsc = DAVINCI_LPSC_AEMIF, - .usecount = 1, - } -}; - -int __init davinci_clk_init(void) +#ifdef CONFIG_DAVINCI_RESET_CLOCKS +/* + * Disable any unused clocks left on by the bootloader + */ +static int __init clk_disable_unused(void) { - struct clk *clkp; - int count = 0; - u32 pll_mult; + struct clk *ck; - pll_mult = davinci_readl(DAVINCI_PLL_CNTRL0_BASE + PLLM); - commonrate = ((pll_mult + 1) * 27000000) / 6; - armrate = ((pll_mult + 1) * 27000000) / 2; + spin_lock_irq(&clockfw_lock); + list_for_each_entry(ck, &clocks, node) { + if (ck->usecount > 0) + continue; + if (!(ck->flags & CLK_PSC)) + continue; - for (clkp = davinci_clks; count < ARRAY_SIZE(davinci_clks); - count++, clkp++) { - clk_register(clkp); + /* ignore if in Disabled or SwRstDisable states */ + if (!davinci_psc_is_clk_active(ck->lpsc)) + continue; - /* Turn on clocks that have been enabled in the - * table above */ - if (clkp->usecount) - clk_enable(clkp); + pr_info("Clocks: disable unused %s\n", ck->name); + davinci_psc_config(psc_domain(ck), ck->lpsc, 0); + } + spin_unlock_irq(&clockfw_lock); + + return 0; +} +late_initcall(clk_disable_unused); +#endif + +static void clk_sysclk_recalc(struct clk *clk) +{ + u32 v, plldiv; + struct pll_data *pll; + + /* If this is the PLL base clock, no more calculations needed */ + if (clk->pll_data) + return; + + if (WARN_ON(!clk->parent)) + return; + + clk->rate = clk->parent->rate; + + /* Otherwise, the parent must be a PLL */ + if (WARN_ON(!clk->parent->pll_data)) + return; + + pll = clk->parent->pll_data; + + /* If pre-PLL, source clock is before the multiplier and divider(s) */ + if (clk->flags & PRE_PLL) + clk->rate = pll->input_rate; + + if (!clk->div_reg) + return; + + v = __raw_readl(pll->base + clk->div_reg); + if (v & PLLDIV_EN) { + plldiv = (v & PLLDIV_RATIO_MASK) + 1; + if (plldiv) + clk->rate /= plldiv; + } +} + +static void __init clk_pll_init(struct clk *clk) +{ + u32 ctrl, mult = 1, prediv = 1, postdiv = 1; + u8 bypass; + struct pll_data *pll = clk->pll_data; + + pll->base = IO_ADDRESS(pll->phys_base); + ctrl = __raw_readl(pll->base + PLLCTL); + clk->rate = pll->input_rate = clk->parent->rate; + + if (ctrl & PLLCTL_PLLEN) { + bypass = 0; + mult = __raw_readl(pll->base + PLLM); + mult = (mult & PLLM_PLLM_MASK) + 1; + } else + bypass = 1; + + if (pll->flags & PLL_HAS_PREDIV) { + prediv = __raw_readl(pll->base + PREDIV); + if (prediv & PLLDIV_EN) + prediv = (prediv & PLLDIV_RATIO_MASK) + 1; + else + prediv = 1; + } + + /* pre-divider is fixed, but (some?) chips won't report that */ + if (cpu_is_davinci_dm355() && pll->num == 1) + prediv = 8; + + if (pll->flags & PLL_HAS_POSTDIV) { + postdiv = __raw_readl(pll->base + POSTDIV); + if (postdiv & PLLDIV_EN) + postdiv = (postdiv & PLLDIV_RATIO_MASK) + 1; + else + postdiv = 1; + } + + if (!bypass) { + clk->rate /= prediv; + clk->rate *= mult; + clk->rate /= postdiv; + } + + pr_debug("PLL%d: input = %lu MHz [ ", + pll->num, clk->parent->rate / 1000000); + if (bypass) + pr_debug("bypass "); + if (prediv > 1) + pr_debug("/ %d ", prediv); + if (mult > 1) + pr_debug("* %d ", mult); + if (postdiv > 1) + pr_debug("/ %d ", postdiv); + pr_debug("] --> %lu MHz output.\n", clk->rate / 1000000); +} + +int __init davinci_clk_init(struct davinci_clk *clocks) + { + struct davinci_clk *c; + struct clk *clk; + + for (c = clocks; c->lk.clk; c++) { + clk = c->lk.clk; + + if (clk->pll_data) + clk_pll_init(clk); + + /* Calculate rates for PLL-derived clocks */ + else if (clk->flags & CLK_PLL) + clk_sysclk_recalc(clk); + + if (clk->lpsc) + clk->flags |= CLK_PSC; + + clkdev_add(&c->lk); + clk_register(clk); + + /* Turn on clocks that Linux doesn't otherwise manage */ + if (clk->flags & ALWAYS_ENABLED) + clk_enable(clk); } return 0; @@ -285,12 +316,52 @@ static void davinci_ck_stop(struct seq_file *m, void *v) { } +#define CLKNAME_MAX 10 /* longest clock name */ +#define NEST_DELTA 2 +#define NEST_MAX 4 + +static void +dump_clock(struct seq_file *s, unsigned nest, struct clk *parent) +{ + char *state; + char buf[CLKNAME_MAX + NEST_DELTA * NEST_MAX]; + struct clk *clk; + unsigned i; + + if (parent->flags & CLK_PLL) + state = "pll"; + else if (parent->flags & CLK_PSC) + state = "psc"; + else + state = ""; + + /* name */ + memset(buf, ' ', sizeof(buf) - 1); + buf[sizeof(buf) - 1] = 0; + i = strlen(parent->name); + memcpy(buf + nest, parent->name, + min(i, (unsigned)(sizeof(buf) - 1 - nest))); + + seq_printf(s, "%s users=%2d %-3s %9ld Hz\n", + buf, parent->usecount, state, clk_get_rate(parent)); + /* REVISIT show device associations too */ + + /* cost is now small, but not linear... */ + list_for_each_entry(clk, &clocks, node) { + if (clk->parent == parent) + dump_clock(s, nest + NEST_DELTA, clk); + } +} + static int davinci_ck_show(struct seq_file *m, void *v) { - struct clk *cp; - - list_for_each_entry(cp, &clocks, node) - seq_printf(m,"%s %d %d\n", cp->name, *(cp->rate), cp->usecount); + /* Show clock tree; we know the main oscillator is first. + * We trust nonzero usecounts equate to PSC enables... + */ + mutex_lock(&clocks_mutex); + if (!list_empty(&clocks)) + dump_clock(m, 0, list_first_entry(&clocks, struct clk, node)); + mutex_unlock(&clocks_mutex); return 0; } @@ -321,4 +392,4 @@ static int __init davinci_ck_proc_init(void) } __initcall(davinci_ck_proc_init); -#endif /* CONFIG_DEBUG_PROC_FS */ +#endif /* CONFIG_DEBUG_PROC_FS */ diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h index ed47079a52e4..35736ec202f8 100644 --- a/arch/arm/mach-davinci/clock.h +++ b/arch/arm/mach-davinci/clock.h @@ -1,7 +1,8 @@ /* * TI DaVinci clock definitions * - * Copyright (C) 2006 Texas Instruments. + * Copyright (C) 2006-2007 Texas Instruments. + * Copyright (C) 2008-2009 Deep Root Systems, LLC * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -11,23 +12,85 @@ #ifndef __ARCH_ARM_DAVINCI_CLOCK_H #define __ARCH_ARM_DAVINCI_CLOCK_H +#include +#include + +#define DAVINCI_PLL1_BASE 0x01c40800 +#define DAVINCI_PLL2_BASE 0x01c40c00 +#define MAX_PLL 2 + +/* PLL/Reset register offsets */ +#define PLLCTL 0x100 +#define PLLCTL_PLLEN BIT(0) +#define PLLCTL_CLKMODE BIT(8) + +#define PLLM 0x110 +#define PLLM_PLLM_MASK 0xff + +#define PREDIV 0x114 +#define PLLDIV1 0x118 +#define PLLDIV2 0x11c +#define PLLDIV3 0x120 +#define POSTDIV 0x128 +#define BPDIV 0x12c +#define PLLCMD 0x138 +#define PLLSTAT 0x13c +#define PLLALNCTL 0x140 +#define PLLDCHANGE 0x144 +#define PLLCKEN 0x148 +#define PLLCKSTAT 0x14c +#define PLLSYSTAT 0x150 +#define PLLDIV4 0x160 +#define PLLDIV5 0x164 +#define PLLDIV6 0x168 +#define PLLDIV7 0x16c +#define PLLDIV8 0x170 +#define PLLDIV9 0x174 +#define PLLDIV_EN BIT(15) +#define PLLDIV_RATIO_MASK 0x1f + +struct pll_data { + u32 phys_base; + void __iomem *base; + u32 num; + u32 flags; + u32 input_rate; +}; +#define PLL_HAS_PREDIV 0x01 +#define PLL_HAS_POSTDIV 0x02 + struct clk { struct list_head node; struct module *owner; const char *name; - unsigned int *rate; - int id; - __s8 usecount; - __u8 flags; - __u8 lpsc; + unsigned long rate; + u8 usecount; + u8 flags; + u8 lpsc; + struct clk *parent; + struct pll_data *pll_data; + u32 div_reg; }; /* Clock flags */ -#define RATE_CKCTL 1 -#define RATE_FIXED 2 -#define RATE_PROPAGATES 4 -#define VIRTUAL_CLOCK 8 -#define ALWAYS_ENABLED 16 -#define ENABLE_REG_32BIT 32 +#define ALWAYS_ENABLED BIT(1) +#define CLK_PSC BIT(2) +#define PSC_DSP BIT(3) /* PSC uses DSP domain, not ARM */ +#define CLK_PLL BIT(4) /* PLL-derived clock */ +#define PRE_PLL BIT(5) /* source is before PLL mult/div */ +struct davinci_clk { + struct clk_lookup lk; +}; + +#define CLK(dev, con, ck) \ + { \ + .lk = { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + }, \ + } + +int davinci_clk_init(struct davinci_clk *clocks); #endif diff --git a/arch/arm/mach-davinci/include/mach/clkdev.h b/arch/arm/mach-davinci/include/mach/clkdev.h new file mode 100644 index 000000000000..730c49d1ebd8 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/clkdev.h @@ -0,0 +1,13 @@ +#ifndef __MACH_CLKDEV_H +#define __MACH_CLKDEV_H + +static inline int __clk_get(struct clk *clk) +{ + return 1; +} + +static inline void __clk_put(struct clk *clk) +{ +} + +#endif diff --git a/arch/arm/mach-davinci/include/mach/clock.h b/arch/arm/mach-davinci/include/mach/clock.h index 38bdd49bc181..a3b040219876 100644 --- a/arch/arm/mach-davinci/include/mach/clock.h +++ b/arch/arm/mach-davinci/include/mach/clock.h @@ -17,6 +17,5 @@ struct clk; extern int clk_register(struct clk *clk); extern void clk_unregister(struct clk *clk); -extern int davinci_clk_init(void); #endif diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h index 4977aa071e1e..55a90d419fac 100644 --- a/arch/arm/mach-davinci/include/mach/psc.h +++ b/arch/arm/mach-davinci/include/mach/psc.h @@ -38,8 +38,6 @@ #define DAVINCI_LPSC_TPTC1 4 #define DAVINCI_LPSC_EMAC 5 #define DAVINCI_LPSC_EMAC_WRAPPER 6 -#define DAVINCI_LPSC_MDIO 7 -#define DAVINCI_LPSC_IEEE1394 8 #define DAVINCI_LPSC_USB 9 #define DAVINCI_LPSC_ATA 10 #define DAVINCI_LPSC_VLYNQ 11 @@ -47,7 +45,6 @@ #define DAVINCI_LPSC_DDR_EMIF 13 #define DAVINCI_LPSC_AEMIF 14 #define DAVINCI_LPSC_MMC_SD 15 -#define DAVINCI_LPSC_MEMSTICK 16 #define DAVINCI_LPSC_McBSP 17 #define DAVINCI_LPSC_I2C 18 #define DAVINCI_LPSC_UART0 19 @@ -73,4 +70,54 @@ #define DAVINCI_LPSC_GEM 39 #define DAVINCI_LPSC_IMCOP 40 +#define DM355_LPSC_TIMER3 5 +#define DM355_LPSC_SPI1 6 +#define DM355_LPSC_MMC_SD1 7 +#define DM355_LPSC_McBSP1 8 +#define DM355_LPSC_PWM3 10 +#define DM355_LPSC_SPI2 11 +#define DM355_LPSC_RTO 12 +#define DM355_LPSC_VPSS_DAC 41 + +/* + * LPSC Assignments + */ +#define DM646X_LPSC_ARM 0 +#define DM646X_LPSC_C64X_CPU 1 +#define DM646X_LPSC_HDVICP0 2 +#define DM646X_LPSC_HDVICP1 3 +#define DM646X_LPSC_TPCC 4 +#define DM646X_LPSC_TPTC0 5 +#define DM646X_LPSC_TPTC1 6 +#define DM646X_LPSC_TPTC2 7 +#define DM646X_LPSC_TPTC3 8 +#define DM646X_LPSC_PCI 13 +#define DM646X_LPSC_EMAC 14 +#define DM646X_LPSC_VDCE 15 +#define DM646X_LPSC_VPSSMSTR 16 +#define DM646X_LPSC_VPSSSLV 17 +#define DM646X_LPSC_TSIF0 18 +#define DM646X_LPSC_TSIF1 19 +#define DM646X_LPSC_DDR_EMIF 20 +#define DM646X_LPSC_AEMIF 21 +#define DM646X_LPSC_McASP0 22 +#define DM646X_LPSC_McASP1 23 +#define DM646X_LPSC_CRGEN0 24 +#define DM646X_LPSC_CRGEN1 25 +#define DM646X_LPSC_UART0 26 +#define DM646X_LPSC_UART1 27 +#define DM646X_LPSC_UART2 28 +#define DM646X_LPSC_PWM0 29 +#define DM646X_LPSC_PWM1 30 +#define DM646X_LPSC_I2C 31 +#define DM646X_LPSC_SPI 32 +#define DM646X_LPSC_GPIO 33 +#define DM646X_LPSC_TIMER0 34 +#define DM646X_LPSC_TIMER1 35 +#define DM646X_LPSC_ARM_INTC 45 + +extern int davinci_psc_is_clk_active(unsigned int id); +extern void davinci_psc_config(unsigned int domain, unsigned int id, + char enable); + #endif /* __ASM_ARCH_PSC_H */ diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c index 299515f70b8b..71a7ae342b91 100644 --- a/arch/arm/mach-davinci/io.c +++ b/arch/arm/mach-davinci/io.c @@ -53,5 +53,4 @@ void __init davinci_map_common_io(void) void __init davinci_init_common_hw(void) { - davinci_clk_init(); } diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index 58754f066d5b..c5098831741f 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c @@ -23,6 +23,7 @@ #include #include +#include #include #include #include @@ -36,76 +37,57 @@ #define MDSTAT 0x800 #define MDCTL 0xA00 -/* System control register offsets */ -#define VDD3P3V_PWDN 0x48 -static void davinci_psc_mux(unsigned int id) +/* Return nonzero iff the domain's clock is active */ +int __init davinci_psc_is_clk_active(unsigned int id) { - switch (id) { - case DAVINCI_LPSC_ATA: - davinci_mux_peripheral(DAVINCI_MUX_HDIREN, 1); - davinci_mux_peripheral(DAVINCI_MUX_ATAEN, 1); - break; - case DAVINCI_LPSC_MMC_SD: - /* VDD power manupulations are done in U-Boot for CPMAC - * so applies to MMC as well - */ - /*Set up the pull regiter for MMC */ - davinci_writel(0, DAVINCI_SYSTEM_MODULE_BASE + VDD3P3V_PWDN); - davinci_mux_peripheral(DAVINCI_MUX_MSTK, 0); - break; - case DAVINCI_LPSC_I2C: - davinci_mux_peripheral(DAVINCI_MUX_I2C, 1); - break; - case DAVINCI_LPSC_McBSP: - davinci_mux_peripheral(DAVINCI_MUX_ASP, 1); - break; - default: - break; - } + void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE); + u32 mdstat = __raw_readl(psc_base + MDSTAT + 4 * id); + + /* if clocked, state can be "Enable" or "SyncReset" */ + return mdstat & BIT(12); } /* Enable or disable a PSC domain */ void davinci_psc_config(unsigned int domain, unsigned int id, char enable) { u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl, mdstat_mask; + void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE); - mdctl = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + MDCTL + 4 * id); + mdctl = __raw_readl(psc_base + MDCTL + 4 * id); if (enable) mdctl |= 0x00000003; /* Enable Module */ else - mdctl &= 0xFFFFFFF2; /* Disable Module */ - davinci_writel(mdctl, DAVINCI_PWR_SLEEP_CNTRL_BASE + MDCTL + 4 * id); + mdctl &= 0xFFFFFFE2; /* Disable Module */ + __raw_writel(mdctl, psc_base + MDCTL + 4 * id); - pdstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + PDSTAT); + pdstat = __raw_readl(psc_base + PDSTAT); if ((pdstat & 0x00000001) == 0) { - pdctl1 = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1); + pdctl1 = __raw_readl(psc_base + PDCTL1); pdctl1 |= 0x1; - davinci_writel(pdctl1, DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1); + __raw_writel(pdctl1, psc_base + PDCTL1); ptcmd = 1 << domain; - davinci_writel(ptcmd, DAVINCI_PWR_SLEEP_CNTRL_BASE + PTCMD); + __raw_writel(ptcmd, psc_base + PTCMD); do { - epcpr = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + - EPCPR); + epcpr = __raw_readl(psc_base + EPCPR); } while ((((epcpr >> domain) & 1) == 0)); - pdctl1 = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1); + pdctl1 = __raw_readl(psc_base + PDCTL1); pdctl1 |= 0x100; - davinci_writel(pdctl1, DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1); + __raw_writel(pdctl1, psc_base + PDCTL1); do { - ptstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + + ptstat = __raw_readl(psc_base + PTSTAT); } while (!(((ptstat >> domain) & 1) == 0)); } else { ptcmd = 1 << domain; - davinci_writel(ptcmd, DAVINCI_PWR_SLEEP_CNTRL_BASE + PTCMD); + __raw_writel(ptcmd, psc_base + PTCMD); do { - ptstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + - PTSTAT); + ptstat = __raw_readl(psc_base + PTSTAT); } while (!(((ptstat >> domain) & 1) == 0)); } @@ -115,23 +97,6 @@ void davinci_psc_config(unsigned int domain, unsigned int id, char enable) mdstat_mask = 0x2; do { - mdstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + - MDSTAT + 4 * id); + mdstat = __raw_readl(psc_base + MDSTAT + 4 * id); } while (!((mdstat & 0x0000001F) == mdstat_mask)); - - if (enable) - davinci_psc_mux(id); -} - -void __init davinci_psc_init(void) -{ - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_VPSSMSTR, 1); - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_VPSSSLV, 1); - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_TPCC, 1); - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_TPTC0, 1); - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_TPTC1, 1); - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_GPIO, 1); - - /* Turn on WatchDog timer LPSC. Needed for RESET to work */ - davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, DAVINCI_LPSC_TIMER2, 1); } From f5c122da543ebf98a5ccb3166768e38eea3120dd Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 07:04:16 -0500 Subject: [PATCH 061/478] davinci: add arch_ioremap() which uses existing static mappings Add arch-specific ioremap() which uses any existing static mappings in place of doing a new mapping. From now on, drivers should always use ioremap() instead of IO_ADDRESS(). In addition, remove the davinci_[read|write]* macros in favor of using ioremap. Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/board-evm.c | 4 +- arch/arm/mach-davinci/devices.c | 2 + arch/arm/mach-davinci/id.c | 6 +- arch/arm/mach-davinci/include/mach/gpio.h | 4 +- arch/arm/mach-davinci/include/mach/hardware.h | 51 +++--------- arch/arm/mach-davinci/include/mach/io.h | 20 ++--- arch/arm/mach-davinci/io.c | 22 +++++- arch/arm/mach-davinci/irq.c | 6 +- arch/arm/mach-davinci/mux.c | 5 +- arch/arm/mach-davinci/psc.c | 2 + arch/arm/mach-davinci/time.c | 79 +++++++++++-------- arch/arm/mach-davinci/usb.c | 2 + 12 files changed, 105 insertions(+), 98 deletions(-) diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c index 1b745c39d891..c2701d740a1d 100644 --- a/arch/arm/mach-davinci/board-evm.c +++ b/arch/arm/mach-davinci/board-evm.c @@ -36,6 +36,9 @@ #include #include +#define DAVINCI_CFC_ATA_BASE 0x01C66000 +#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 + /* other misc. init functions */ void __init davinci_psc_init(void); void __init davinci_irq_init(void); @@ -422,7 +425,6 @@ static __init void davinci_evm_init(void) static __init void davinci_evm_irq_init(void) { - davinci_init_common_hw(); davinci_irq_init(); } diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 808633f9f03c..3ea6d477f06b 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -22,6 +22,8 @@ #include #include +#define DAVINCI_I2C_BASE 0x01C21000 + static struct resource i2c_resources[] = { { .start = DAVINCI_I2C_BASE, diff --git a/arch/arm/mach-davinci/id.c b/arch/arm/mach-davinci/id.c index 379f2baf66d6..018b994cd794 100644 --- a/arch/arm/mach-davinci/id.c +++ b/arch/arm/mach-davinci/id.c @@ -15,7 +15,7 @@ #include #include -#define JTAG_ID_BASE 0x01c40028 +#define JTAG_ID_BASE IO_ADDRESS(0x01c40028) static unsigned int davinci_revision; @@ -58,7 +58,7 @@ static u16 __init davinci_get_part_no(void) { u32 dev_id, part_no; - dev_id = davinci_readl(JTAG_ID_BASE); + dev_id = __raw_readl(JTAG_ID_BASE); part_no = ((dev_id >> 12) & 0xffff); @@ -72,7 +72,7 @@ static u8 __init davinci_get_variant(void) { u32 variant; - variant = davinci_readl(JTAG_ID_BASE); + variant = __raw_readl(JTAG_ID_BASE); variant = (variant >> 28) & 0xf; diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index b456f079f43f..5e7c36b202f1 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h @@ -15,9 +15,11 @@ #include #include -#include + #include +#define DAVINCI_GPIO_BASE 0x01C67000 + /* * basic gpio routines * diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h index a2e8969afaca..48c77934d519 100644 --- a/arch/arm/mach-davinci/include/mach/hardware.h +++ b/arch/arm/mach-davinci/include/mach/hardware.h @@ -1,9 +1,9 @@ /* - * Common hardware definitions + * Hardware definitions common to all DaVinci family processors * - * Author: Kevin Hilman, MontaVista Software, Inc. + * Author: Kevin Hilman, Deep Root Systems, LLC * - * 2007 (c) MontaVista Software, Inc. This file is licensed under + * 2007 (c) Deep Root Systems, LLC. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. @@ -12,41 +12,16 @@ #define __ASM_ARCH_HARDWARE_H /* - * Base register addresses + * Before you add anything to ths file: + * + * This header is for defines common to ALL DaVinci family chips. + * Anything that is chip specific should go in .h, + * and the chip/board init code should then explicitly include + * .h */ -#define DAVINCI_DMA_3PCC_BASE (0x01C00000) -#define DAVINCI_DMA_3PTC0_BASE (0x01C10000) -#define DAVINCI_DMA_3PTC1_BASE (0x01C10400) -#define DAVINCI_I2C_BASE (0x01C21000) -#define DAVINCI_PWM0_BASE (0x01C22000) -#define DAVINCI_PWM1_BASE (0x01C22400) -#define DAVINCI_PWM2_BASE (0x01C22800) -#define DAVINCI_SYSTEM_MODULE_BASE (0x01C40000) -#define DAVINCI_PLL_CNTRL0_BASE (0x01C40800) -#define DAVINCI_PLL_CNTRL1_BASE (0x01C40C00) -#define DAVINCI_PWR_SLEEP_CNTRL_BASE (0x01C41000) -#define DAVINCI_SYSTEM_DFT_BASE (0x01C42000) -#define DAVINCI_IEEE1394_BASE (0x01C60000) -#define DAVINCI_USB_OTG_BASE (0x01C64000) -#define DAVINCI_CFC_ATA_BASE (0x01C66000) -#define DAVINCI_SPI_BASE (0x01C66800) -#define DAVINCI_GPIO_BASE (0x01C67000) -#define DAVINCI_UHPI_BASE (0x01C67800) -#define DAVINCI_VPSS_REGS_BASE (0x01C70000) -#define DAVINCI_EMAC_CNTRL_REGS_BASE (0x01C80000) -#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE (0x01C81000) -#define DAVINCI_EMAC_WRAPPER_RAM_BASE (0x01C82000) -#define DAVINCI_MDIO_CNTRL_REGS_BASE (0x01C84000) -#define DAVINCI_IMCOP_BASE (0x01CC0000) -#define DAVINCI_ASYNC_EMIF_CNTRL_BASE (0x01E00000) -#define DAVINCI_VLYNQ_BASE (0x01E01000) -#define DAVINCI_MCBSP_BASE (0x01E02000) -#define DAVINCI_MMC_SD_BASE (0x01E10000) -#define DAVINCI_MS_BASE (0x01E20000) -#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE (0x02000000) -#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE (0x04000000) -#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE (0x06000000) -#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE (0x08000000) -#define DAVINCI_VLYNQ_REMOTE_BASE (0x0C000000) +#define DAVINCI_SYSTEM_MODULE_BASE 0x01C40000 + +/* System control register offsets */ +#define DM64XX_VDD3P3V_PWDN 0x48 #endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h index a48795fd2417..2479785405af 100644 --- a/arch/arm/mach-davinci/include/mach/io.h +++ b/arch/arm/mach-davinci/include/mach/io.h @@ -40,22 +40,12 @@ #else #define IOMEM(x) ((void __force __iomem *)(x)) -/* - * Functions to access the DaVinci IO region - * - * NOTE: - Use davinci_read/write[bwl] for physical register addresses - * - Use __raw_read/write[bwl]() for virtual register addresses - * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses - * - DO NOT use hardcoded virtual addresses to allow changing the - * IO address space again if needed - */ -#define davinci_readb(a) __raw_readb(IO_ADDRESS(a)) -#define davinci_readw(a) __raw_readw(IO_ADDRESS(a)) -#define davinci_readl(a) __raw_readl(IO_ADDRESS(a)) +#define __arch_ioremap(p, s, t) davinci_ioremap(p, s, t) +#define __arch_iounmap(v) davinci_iounmap(v) -#define davinci_writeb(v, a) __raw_writeb(v, IO_ADDRESS(a)) -#define davinci_writew(v, a) __raw_writew(v, IO_ADDRESS(a)) -#define davinci_writel(v, a) __raw_writel(v, IO_ADDRESS(a)) +void __iomem *davinci_ioremap(unsigned long phys, size_t size, + unsigned int type); +void davinci_iounmap(volatile void __iomem *addr); #endif /* __ASSEMBLER__ */ #endif /* __ASM_ARCH_IO_H */ diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c index 71a7ae342b91..a548abb513e2 100644 --- a/arch/arm/mach-davinci/io.c +++ b/arch/arm/mach-davinci/io.c @@ -51,6 +51,26 @@ void __init davinci_map_common_io(void) davinci_check_revision(); } -void __init davinci_init_common_hw(void) +#define BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz))) +#define XLATE(p, pst, vst) ((void __iomem *)((p) - (pst) + (vst))) + +/* + * Intercept ioremap() requests for addresses in our fixed mapping regions. + */ +void __iomem *davinci_ioremap(unsigned long p, size_t size, unsigned int type) { + if (BETWEEN(p, IO_PHYS, IO_SIZE)) + return XLATE(p, IO_PHYS, IO_VIRT); + + return __arm_ioremap(p, size, type); } +EXPORT_SYMBOL(davinci_ioremap); + +void davinci_iounmap(volatile void __iomem *addr) +{ + unsigned long virt = (unsigned long)addr; + + if (virt >= VMALLOC_START && virt < VMALLOC_END) + __iounmap(addr); +} +EXPORT_SYMBOL(davinci_iounmap); diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c index 38021af8359a..e76835cf1018 100644 --- a/arch/arm/mach-davinci/irq.c +++ b/arch/arm/mach-davinci/irq.c @@ -40,14 +40,16 @@ #define IRQ_INTPRI0_REG_OFFSET 0x0030 #define IRQ_INTPRI7_REG_OFFSET 0x004C +#define INTC_BASE IO_ADDRESS(DAVINCI_ARM_INTC_BASE) + static inline unsigned int davinci_irq_readl(int offset) { - return davinci_readl(DAVINCI_ARM_INTC_BASE + offset); + return __raw_readl(INTC_BASE + offset); } static inline void davinci_irq_writel(unsigned long value, int offset) { - davinci_writel(value, DAVINCI_ARM_INTC_BASE + offset); + __raw_writel(value, INTC_BASE + offset); } /* Disable interrupt */ diff --git a/arch/arm/mach-davinci/mux.c b/arch/arm/mach-davinci/mux.c index 8ff9d8aca60b..53734dee1f93 100644 --- a/arch/arm/mach-davinci/mux.c +++ b/arch/arm/mach-davinci/mux.c @@ -23,6 +23,7 @@ static DEFINE_SPINLOCK(mux_lock); void davinci_mux_peripheral(unsigned int mux, unsigned int enable) { + void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE); u32 pinmux, muxreg = PINMUX0; if (mux >= DAVINCI_MUX_LEVEL2) { @@ -31,11 +32,11 @@ void davinci_mux_peripheral(unsigned int mux, unsigned int enable) } spin_lock(&mux_lock); - pinmux = davinci_readl(DAVINCI_SYSTEM_MODULE_BASE + muxreg); + pinmux = __raw_readl(base + muxreg); if (enable) pinmux |= (1 << mux); else pinmux &= ~(1 << mux); - davinci_writel(pinmux, DAVINCI_SYSTEM_MODULE_BASE + muxreg); + __raw_writel(pinmux, base + muxreg); spin_unlock(&mux_lock); } diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index c5098831741f..e44544ac2b16 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c @@ -28,6 +28,8 @@ #include #include +#define DAVINCI_PWR_SLEEP_CNTRL_BASE 0x01C41000 + /* PSC register offsets */ #define EPCPR 0x070 #define PTCMD 0x120 diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 6c227d4ba998..88864ae067b8 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -16,6 +16,9 @@ #include #include #include +#include +#include +#include #include #include @@ -24,6 +27,8 @@ #include #include #include +#include +#include "clock.h" static struct clock_event_device clockevent_davinci; @@ -99,9 +104,9 @@ struct timer_s { unsigned int id; unsigned long period; unsigned long opts; - unsigned long reg_base; - unsigned long tim_reg; - unsigned long prd_reg; + void __iomem *base; + unsigned long tim_off; + unsigned long prd_off; unsigned long enamode_shift; struct irqaction irqaction; }; @@ -114,15 +119,15 @@ static struct timer_s timers[]; static int timer32_config(struct timer_s *t) { - u32 tcr = davinci_readl(t->reg_base + TCR); + u32 tcr = __raw_readl(t->base + TCR); /* disable timer */ tcr &= ~(TCR_ENAMODE_MASK << t->enamode_shift); - davinci_writel(tcr, t->reg_base + TCR); + __raw_writel(tcr, t->base + TCR); /* reset counter to zero, set new period */ - davinci_writel(0, t->tim_reg); - davinci_writel(t->period, t->prd_reg); + __raw_writel(0, t->base + t->tim_off); + __raw_writel(t->period, t->base + t->prd_off); /* Set enable mode */ if (t->opts & TIMER_OPTS_ONESHOT) { @@ -131,13 +136,13 @@ static int timer32_config(struct timer_s *t) tcr |= TCR_ENAMODE_PERIODIC << t->enamode_shift; } - davinci_writel(tcr, t->reg_base + TCR); + __raw_writel(tcr, t->base + TCR); return 0; } static inline u32 timer32_read(struct timer_s *t) { - return davinci_readl(t->tim_reg); + return __raw_readl(t->base + t->tim_off); } static irqreturn_t timer_interrupt(int irq, void *dev_id) @@ -176,51 +181,54 @@ static struct timer_s timers[] = { static void __init timer_init(void) { - u32 bases[] = {DAVINCI_TIMER0_BASE, DAVINCI_TIMER1_BASE}; + u32 phys_bases[] = {DAVINCI_TIMER0_BASE, DAVINCI_TIMER1_BASE}; int i; /* Global init of each 64-bit timer as a whole */ for(i=0; i<2; i++) { - u32 tgcr, base = bases[i]; + u32 tgcr; + void __iomem *base = IO_ADDRESS(phys_bases[i]); /* Disabled, Internal clock source */ - davinci_writel(0, base + TCR); + __raw_writel(0, base + TCR); /* reset both timers, no pre-scaler for timer34 */ tgcr = 0; - davinci_writel(tgcr, base + TGCR); + __raw_writel(tgcr, base + TGCR); /* Set both timers to unchained 32-bit */ tgcr = TGCR_TIMMODE_32BIT_UNCHAINED << TGCR_TIMMODE_SHIFT; - davinci_writel(tgcr, base + TGCR); + __raw_writel(tgcr, base + TGCR); /* Unreset timers */ tgcr |= (TGCR_UNRESET << TGCR_TIM12RS_SHIFT) | (TGCR_UNRESET << TGCR_TIM34RS_SHIFT); - davinci_writel(tgcr, base + TGCR); + __raw_writel(tgcr, base + TGCR); /* Init both counters to zero */ - davinci_writel(0, base + TIM12); - davinci_writel(0, base + TIM34); + __raw_writel(0, base + TIM12); + __raw_writel(0, base + TIM34); } /* Init of each timer as a 32-bit timer */ for (i=0; i< ARRAY_SIZE(timers); i++) { struct timer_s *t = &timers[i]; + u32 phys_base; if (t->name) { t->id = i; - t->reg_base = (IS_TIMER1(t->id) ? + phys_base = (IS_TIMER1(t->id) ? DAVINCI_TIMER1_BASE : DAVINCI_TIMER0_BASE); + t->base = IO_ADDRESS(phys_base); if (IS_TIMER_BOT(t->id)) { t->enamode_shift = 6; - t->tim_reg = t->reg_base + TIM12; - t->prd_reg = t->reg_base + PRD12; + t->tim_off = TIM12; + t->prd_off = PRD12; } else { t->enamode_shift = 22; - t->tim_reg = t->reg_base + TIM34; - t->prd_reg = t->reg_base + PRD34; + t->tim_off = TIM34; + t->prd_off = PRD34; } /* Register interrupt */ @@ -333,42 +341,43 @@ struct sys_timer davinci_timer = { /* reset board using watchdog timer */ void davinci_watchdog_reset(void) { - u32 tgcr, wdtcr, base = DAVINCI_WDOG_BASE; + u32 tgcr, wdtcr; + void __iomem *base = IO_ADDRESS(DAVINCI_WDOG_BASE); /* disable, internal clock source */ - davinci_writel(0, base + TCR); + __raw_writel(0, base + TCR); /* reset timer, set mode to 64-bit watchdog, and unreset */ tgcr = 0; - davinci_writel(tgcr, base + TCR); + __raw_writel(tgcr, base + TCR); tgcr = TGCR_TIMMODE_64BIT_WDOG << TGCR_TIMMODE_SHIFT; tgcr |= (TGCR_UNRESET << TGCR_TIM12RS_SHIFT) | (TGCR_UNRESET << TGCR_TIM34RS_SHIFT); - davinci_writel(tgcr, base + TCR); + __raw_writel(tgcr, base + TCR); /* clear counter and period regs */ - davinci_writel(0, base + TIM12); - davinci_writel(0, base + TIM34); - davinci_writel(0, base + PRD12); - davinci_writel(0, base + PRD34); + __raw_writel(0, base + TIM12); + __raw_writel(0, base + TIM34); + __raw_writel(0, base + PRD12); + __raw_writel(0, base + PRD34); /* enable */ - wdtcr = davinci_readl(base + WDTCR); + wdtcr = __raw_readl(base + WDTCR); wdtcr |= WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT; - davinci_writel(wdtcr, base + WDTCR); + __raw_writel(wdtcr, base + WDTCR); /* put watchdog in pre-active state */ wdtcr = (WDTCR_WDKEY_SEQ0 << WDTCR_WDKEY_SHIFT) | (WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT); - davinci_writel(wdtcr, base + WDTCR); + __raw_writel(wdtcr, base + WDTCR); /* put watchdog in active state */ wdtcr = (WDTCR_WDKEY_SEQ1 << WDTCR_WDKEY_SHIFT) | (WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT); - davinci_writel(wdtcr, base + WDTCR); + __raw_writel(wdtcr, base + WDTCR); /* write an invalid value to the WDKEY field to trigger * a watchdog reset */ wdtcr = 0x00004000; - davinci_writel(wdtcr, base + WDTCR); + __raw_writel(wdtcr, base + WDTCR); } diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c index 2429b79f6da2..abedb6337182 100644 --- a/arch/arm/mach-davinci/usb.c +++ b/arch/arm/mach-davinci/usb.c @@ -14,6 +14,8 @@ #include #include +#define DAVINCI_USB_OTG_BASE 0x01C64000 + #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) static struct musb_hdrc_eps_bits musb_eps[] = { { "ep1_tx", 8, }, From da1b94e6a68e1bdeb9cdda016cceb17228b37d25 Mon Sep 17 00:00:00 2001 From: Santosh Shilimkar Date: Thu, 23 Apr 2009 11:10:40 -0700 Subject: [PATCH 062/478] ARM: OMAP: Fix for possible race condition in omap_free_dma() Fix the possible race condition in omap_free_dma(). Function omap_free_dma() sets the dev_id = -1 and then accesses the channel afterwards to clear it. But setting the dev_id=-1 makes the channel available for allocation again. So it is possible someone else can grab it and results are unpredictable. To avod this DMA channle is cleared first and then the dev_id = -1 is set. Thanks to McNeil, Sean for ointing out this issue. Signed-off-by: Santosh Shilimkar Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/dma.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 21cc0142b97a..7fc8c045ad5d 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -760,19 +760,12 @@ void omap_free_dma(int lch) { unsigned long flags; - spin_lock_irqsave(&dma_chan_lock, flags); if (dma_chan[lch].dev_id == -1) { pr_err("omap_dma: trying to free unallocated DMA channel %d\n", lch); - spin_unlock_irqrestore(&dma_chan_lock, flags); return; } - dma_chan[lch].dev_id = -1; - dma_chan[lch].next_lch = -1; - dma_chan[lch].callback = NULL; - spin_unlock_irqrestore(&dma_chan_lock, flags); - if (cpu_class_is_omap1()) { /* Disable all DMA interrupts for the channel. */ dma_write(0, CICR(lch)); @@ -798,6 +791,12 @@ void omap_free_dma(int lch) dma_write(0, CCR(lch)); omap_clear_dma(lch); } + + spin_lock_irqsave(&dma_chan_lock, flags); + dma_chan[lch].dev_id = -1; + dma_chan[lch].next_lch = -1; + dma_chan[lch].callback = NULL; + spin_unlock_irqrestore(&dma_chan_lock, flags); } EXPORT_SYMBOL(omap_free_dma); From ba16ec7cabb3f1aa7bbcb7b9982c4402a2e8ec02 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 23 Apr 2009 11:10:40 -0700 Subject: [PATCH 063/478] ARM: OMAP: Remove old dead gpio expander code This should be done with GPIO calls. Patches against the mainline tree welcome to add the necessary working functionality back. Signed-off-by: Tony Lindgren --- arch/arm/mach-omap1/board-h3.c | 101 ------------------ arch/arm/mach-omap2/board-h4.c | 95 ---------------- .../arm/plat-omap/include/mach/gpioexpander.h | 35 ------ arch/arm/plat-omap/include/mach/irda.h | 4 - 4 files changed, 235 deletions(-) delete mode 100644 arch/arm/plat-omap/include/mach/gpioexpander.h diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 4695965114c4..f597968733b4 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -39,12 +39,10 @@ #include #include -#include #include #include #include #include -#include #include #include #include @@ -276,104 +274,6 @@ static struct platform_device h3_kp_device = { .resource = h3_kp_resources, }; - -/* Select between the IrDA and aGPS module - */ -static int h3_select_irda(struct device *dev, int state) -{ - unsigned char expa; - int err = 0; - - if ((err = read_gpio_expa(&expa, 0x26))) { - printk(KERN_ERR "Error reading from I/O EXPANDER \n"); - return err; - } - - /* 'P6' enable/disable IRDA_TX and IRDA_RX */ - if (state & IR_SEL) { /* IrDA */ - if ((err = write_gpio_expa(expa | 0x40, 0x26))) { - printk(KERN_ERR "Error writing to I/O EXPANDER \n"); - return err; - } - } else { - if ((err = write_gpio_expa(expa & ~0x40, 0x26))) { - printk(KERN_ERR "Error writing to I/O EXPANDER \n"); - return err; - } - } - return err; -} - -static void set_trans_mode(struct work_struct *work) -{ - struct omap_irda_config *irda_config = - container_of(work, struct omap_irda_config, gpio_expa.work); - int mode = irda_config->mode; - unsigned char expa; - int err = 0; - - if ((err = read_gpio_expa(&expa, 0x27)) != 0) { - printk(KERN_ERR "Error reading from I/O expander\n"); - } - - expa &= ~0x03; - - if (mode & IR_SIRMODE) { - expa |= 0x01; - } else { /* MIR/FIR */ - expa |= 0x03; - } - - if ((err = write_gpio_expa(expa, 0x27)) != 0) { - printk(KERN_ERR "Error writing to I/O expander\n"); - } -} - -static int h3_transceiver_mode(struct device *dev, int mode) -{ - struct omap_irda_config *irda_config = dev->platform_data; - - irda_config->mode = mode; - cancel_delayed_work(&irda_config->gpio_expa); - PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode); - schedule_delayed_work(&irda_config->gpio_expa, 0); - - return 0; -} - -static struct omap_irda_config h3_irda_data = { - .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE, - .transceiver_mode = h3_transceiver_mode, - .select_irda = h3_select_irda, - .rx_channel = OMAP_DMA_UART3_RX, - .tx_channel = OMAP_DMA_UART3_TX, - .dest_start = UART3_THR, - .src_start = UART3_RHR, - .tx_trigger = 0, - .rx_trigger = 0, -}; - -static struct resource h3_irda_resources[] = { - [0] = { - .start = INT_UART3, - .end = INT_UART3, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 irda_dmamask = 0xffffffff; - -static struct platform_device h3_irda_device = { - .name = "omapirda", - .id = 0, - .dev = { - .platform_data = &h3_irda_data, - .dma_mask = &irda_dmamask, - }, - .num_resources = ARRAY_SIZE(h3_irda_resources), - .resource = h3_irda_resources, -}; - static struct platform_device h3_lcd_device = { .name = "lcd_h3", .id = -1, @@ -395,7 +295,6 @@ static struct platform_device *devices[] __initdata = { &nand_device, &smc91x_device, &intlat_device, - &h3_irda_device, &h3_kp_device, &h3_lcd_device, }; diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index a0267a9ab466..e7d017cdc438 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -33,10 +33,8 @@ #include #include -#include #include #include -#include #include #include #include @@ -138,98 +136,6 @@ static struct platform_device h4_flash_device = { .resource = &h4_flash_resource, }; -/* Select between the IrDA and aGPS module - */ -static int h4_select_irda(struct device *dev, int state) -{ - unsigned char expa; - int err = 0; - - if ((err = read_gpio_expa(&expa, 0x21))) { - printk(KERN_ERR "Error reading from I/O expander\n"); - return err; - } - - /* 'P6' enable/disable IRDA_TX and IRDA_RX */ - if (state & IR_SEL) { /* IrDa */ - if ((err = write_gpio_expa(expa | 0x01, 0x21))) { - printk(KERN_ERR "Error writing to I/O expander\n"); - return err; - } - } else { - if ((err = write_gpio_expa(expa & ~0x01, 0x21))) { - printk(KERN_ERR "Error writing to I/O expander\n"); - return err; - } - } - return err; -} - -static void set_trans_mode(struct work_struct *work) -{ - struct omap_irda_config *irda_config = - container_of(work, struct omap_irda_config, gpio_expa.work); - int mode = irda_config->mode; - unsigned char expa; - int err = 0; - - if ((err = read_gpio_expa(&expa, 0x20)) != 0) { - printk(KERN_ERR "Error reading from I/O expander\n"); - } - - expa &= ~0x01; - - if (!(mode & IR_SIRMODE)) { /* MIR/FIR */ - expa |= 0x01; - } - - if ((err = write_gpio_expa(expa, 0x20)) != 0) { - printk(KERN_ERR "Error writing to I/O expander\n"); - } -} - -static int h4_transceiver_mode(struct device *dev, int mode) -{ - struct omap_irda_config *irda_config = dev->platform_data; - - irda_config->mode = mode; - cancel_delayed_work(&irda_config->gpio_expa); - PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode); - schedule_delayed_work(&irda_config->gpio_expa, 0); - - return 0; -} - -static struct omap_irda_config h4_irda_data = { - .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE, - .transceiver_mode = h4_transceiver_mode, - .select_irda = h4_select_irda, - .rx_channel = OMAP24XX_DMA_UART3_RX, - .tx_channel = OMAP24XX_DMA_UART3_TX, - .dest_start = OMAP_UART3_BASE, - .src_start = OMAP_UART3_BASE, - .tx_trigger = OMAP24XX_DMA_UART3_TX, - .rx_trigger = OMAP24XX_DMA_UART3_RX, -}; - -static struct resource h4_irda_resources[] = { - [0] = { - .start = INT_24XX_UART3_IRQ, - .end = INT_24XX_UART3_IRQ, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device h4_irda_device = { - .name = "omapirda", - .id = -1, - .dev = { - .platform_data = &h4_irda_data, - }, - .num_resources = 1, - .resource = h4_irda_resources, -}; - static struct omap_kp_platform_data h4_kp_data = { .rows = 6, .cols = 7, @@ -255,7 +161,6 @@ static struct platform_device h4_lcd_device = { static struct platform_device *h4_devices[] __initdata = { &h4_flash_device, - &h4_irda_device, &h4_kp_device, &h4_lcd_device, }; diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h deleted file mode 100644 index 90444a0d6b1a..000000000000 --- a/arch/arm/plat-omap/include/mach/gpioexpander.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/gpioexpander.h - * - * - * Copyright (C) 2004 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H -#define __ASM_ARCH_OMAP_GPIOEXPANDER_H - -/* Function Prototypes for GPIO Expander functions */ - -#ifdef CONFIG_GPIOEXPANDER_OMAP -int read_gpio_expa(u8 *, int); -int write_gpio_expa(u8 , int); -#else -static inline int read_gpio_expa(u8 *val, int addr) -{ - return 0; -} -static inline int write_gpio_expa(u8 val, int addr) -{ - return 0; -} -#endif - -#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */ diff --git a/arch/arm/plat-omap/include/mach/irda.h b/arch/arm/plat-omap/include/mach/irda.h index 8372a00d8e0b..40f60339d1c6 100644 --- a/arch/arm/plat-omap/include/mach/irda.h +++ b/arch/arm/plat-omap/include/mach/irda.h @@ -21,10 +21,6 @@ struct omap_irda_config { int transceiver_cap; int (*transceiver_mode)(struct device *dev, int mode); int (*select_irda)(struct device *dev, int state); - /* Very specific to the needs of some platforms (h3,h4) - * having calls which can sleep in irda_set_speed. - */ - struct delayed_work gpio_expa; int rx_channel; int tx_channel; unsigned long dest_start; From 1748ae0e95760d62de501743f883af6833f33357 Mon Sep 17 00:00:00 2001 From: Ladislav Michl Date: Thu, 23 Apr 2009 11:10:44 -0700 Subject: [PATCH 064/478] ARM: OMAP: MMC: Remove unused power_pin Remove unused power_pin Signed-off-by: Ladislav Michl Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/include/mach/mmc.h | 1 - drivers/mmc/host/omap.c | 2 -- 2 files changed, 3 deletions(-) diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h index 4435bd434e17..81d5b36534b3 100644 --- a/arch/arm/plat-omap/include/mach/mmc.h +++ b/arch/arm/plat-omap/include/mach/mmc.h @@ -79,7 +79,6 @@ struct omap_mmc_platform_data { /* use the internal clock */ unsigned internal_clock:1; - s16 power_pin; int switch_pin; /* gpio (card detect) */ int gpio_wp; /* gpio (write protect) */ diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 5570849188cc..bfa25c01c872 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -157,8 +157,6 @@ struct mmc_omap_host { struct timer_list dma_timer; unsigned dma_len; - short power_pin; - struct mmc_omap_slot *slots[OMAP_MMC_MAX_SLOTS]; struct mmc_omap_slot *current_slot; spinlock_t slot_lock; From 6a3260755fc0d86adacd912e3acf40e9ac5bbe2e Mon Sep 17 00:00:00 2001 From: Ladislav Michl Date: Thu, 23 Apr 2009 11:10:47 -0700 Subject: [PATCH 065/478] ARM: OMAP1: Simplify board-h2 MMC setup Simplify board-h2 MMC setup Signed-off-by: Ladislav Michl Signed-off-by: Tony Lindgren --- arch/arm/mach-omap1/board-h2-mmc.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c index 44d4a966bed9..46098f546824 100644 --- a/arch/arm/mach-omap1/board-h2-mmc.c +++ b/arch/arm/mach-omap1/board-h2-mmc.c @@ -26,19 +26,13 @@ static int mmc_set_power(struct device *dev, int slot, int power_on, int vdd) { - if (power_on) - gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1); - else - gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); - + gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on); return 0; } static int mmc_late_init(struct device *dev) { - int ret; - - ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); + int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); if (ret < 0) return ret; @@ -47,7 +41,7 @@ static int mmc_late_init(struct device *dev) return ret; } -static void mmc_shutdown(struct device *dev) +static void mmc_cleanup(struct device *dev) { gpio_free(H2_TPS_GPIO_MMC_PWR_EN); } @@ -60,7 +54,7 @@ static void mmc_shutdown(struct device *dev) static struct omap_mmc_platform_data mmc1_data = { .nr_slots = 1, .init = mmc_late_init, - .shutdown = mmc_shutdown, + .cleanup = mmc_cleanup, .dma_mask = 0xffffffff, .slots[0] = { .set_power = mmc_set_power, From bac5b29fb9582df22b4c1386162ac31b62edf121 Mon Sep 17 00:00:00 2001 From: Ladislav Michl Date: Thu, 23 Apr 2009 11:10:48 -0700 Subject: [PATCH 066/478] ARM: OMAP1: Fix mmc_set_power GPIO usage Simple simplification... Signed-off-by: Ladislav Michl Signed-off-by: Tony Lindgren --- arch/arm/mach-omap1/board-h3-mmc.c | 6 +----- arch/arm/mach-omap1/board-nokia770.c | 6 +----- 2 files changed, 2 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c index 0d8a3c195e2e..5e8877ce35e0 100644 --- a/arch/arm/mach-omap1/board-h3-mmc.c +++ b/arch/arm/mach-omap1/board-h3-mmc.c @@ -26,11 +26,7 @@ static int mmc_set_power(struct device *dev, int slot, int power_on, int vdd) { - if (power_on) - gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 1); - else - gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0); - + gpio_set_value(H3_TPS_GPIO_MMC_PWR_EN, power_on); return 0; } diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index 7bc7a3cb9c51..d1ed1365319e 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -181,11 +181,7 @@ static struct omap_usb_config nokia770_usb_config __initdata = { static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, int vdd) { - if (power_on) - gpio_set_value(NOKIA770_GPIO_MMC_POWER, 1); - else - gpio_set_value(NOKIA770_GPIO_MMC_POWER, 0); - + gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); return 0; } From 6b7bff3169192e2870f68f47fde25a22e136918e Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Thu, 23 Apr 2009 11:10:48 -0700 Subject: [PATCH 067/478] ARM: OMAP2: Remove defines and resource init for OMAP24XX EAC There is no anymore legacy driver for OMAP24XX Enhanced Audio Controller in linux-omap and it was newer in mainline so cleanup these unneeded defines and initialization code. Signed-off-by: Jarkko Nikula Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/devices.c | 33 --------- arch/arm/plat-omap/include/mach/eac.h | 100 -------------------------- 2 files changed, 133 deletions(-) delete mode 100644 arch/arm/plat-omap/include/mach/eac.h diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index d6b4b2f8722f..496983ade97e 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -25,7 +25,6 @@ #include #include #include -#include #include #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) @@ -366,38 +365,6 @@ static void omap_init_mcspi(void) static inline void omap_init_mcspi(void) {} #endif -#ifdef CONFIG_SND_OMAP24XX_EAC - -#define OMAP2_EAC_BASE 0x48090000 - -static struct resource omap2_eac_resources[] = { - { - .start = OMAP2_EAC_BASE, - .end = OMAP2_EAC_BASE + 0x109, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device omap2_eac_device = { - .name = "omap24xx-eac", - .id = -1, - .num_resources = ARRAY_SIZE(omap2_eac_resources), - .resource = omap2_eac_resources, - .dev = { - .platform_data = NULL, - }, -}; - -void omap_init_eac(struct eac_platform_data *pdata) -{ - omap2_eac_device.dev.platform_data = pdata; - platform_device_register(&omap2_eac_device); -} - -#else -void omap_init_eac(struct eac_platform_data *pdata) {} -#endif - #ifdef CONFIG_OMAP_SHA1_MD5 static struct resource sha1_md5_resources[] = { { diff --git a/arch/arm/plat-omap/include/mach/eac.h b/arch/arm/plat-omap/include/mach/eac.h deleted file mode 100644 index 9e62cf030270..000000000000 --- a/arch/arm/plat-omap/include/mach/eac.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach2/eac.h - * - * Defines for Enhanced Audio Controller - * - * Contact: Jarkko Nikula - * - * Copyright (C) 2006 Nokia Corporation - * Copyright (C) 2004 Texas Instruments, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#ifndef __ASM_ARM_ARCH_OMAP2_EAC_H -#define __ASM_ARM_ARCH_OMAP2_EAC_H - -#include -#include -#include - -#include - -/* master codec clock source */ -#define EAC_MCLK_EXT_MASK 0x100 -enum eac_mclk_src { - EAC_MCLK_INT_11290000, /* internal 96 MHz / 8.5 = 11.29 Mhz */ - EAC_MCLK_EXT_11289600 = EAC_MCLK_EXT_MASK, - EAC_MCLK_EXT_12288000, - EAC_MCLK_EXT_2x11289600, - EAC_MCLK_EXT_2x12288000, -}; - -/* codec port interface mode */ -enum eac_codec_mode { - EAC_CODEC_PCM, - EAC_CODEC_AC97, - EAC_CODEC_I2S_MASTER, /* codec port, I.e. EAC is the master */ - EAC_CODEC_I2S_SLAVE, -}; - -/* configuration structure for I2S mode */ -struct eac_i2s_conf { - /* if enabled, then first data slot (left channel) is signaled as - * positive level of frame sync EAC.AC_FS */ - unsigned polarity_changed_mode:1; - /* if enabled, then serial data starts one clock cycle after the - * of EAC.AC_FS for first audio slot */ - unsigned sync_delay_enable:1; -}; - -/* configuration structure for EAC codec port */ -struct eac_codec { - enum eac_mclk_src mclk_src; - - enum eac_codec_mode codec_mode; - union { - struct eac_i2s_conf i2s; - } codec_conf; - - int default_rate; /* audio sampling rate */ - - int (* set_power)(void *private_data, int dac, int adc); - int (* register_controls)(void *private_data, - struct snd_card *card); - const char *short_name; - - void *private_data; -}; - -/* structure for passing platform dependent data to the EAC driver */ -struct eac_platform_data { - int (* init)(struct device *eac_dev); - void (* cleanup)(struct device *eac_dev); - /* these callbacks are used to configure & control external MCLK - * source. NULL if not used */ - int (* enable_ext_clocks)(struct device *eac_dev); - void (* disable_ext_clocks)(struct device *eac_dev); -}; - -extern void omap_init_eac(struct eac_platform_data *pdata); - -extern int eac_register_codec(struct device *eac_dev, struct eac_codec *codec); -extern void eac_unregister_codec(struct device *eac_dev); - -extern int eac_set_mode(struct device *eac_dev, int play, int rec); - -#endif /* __ASM_ARM_ARCH_OMAP2_EAC_H */ From d94a2eddf50c4aa1553acf3025f45d03704a1f97 Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Thu, 23 Apr 2009 11:10:49 -0700 Subject: [PATCH 068/478] ARM: OMAP2: possible division by 0 In linus' git tree the functions can be found at: vi arch/arm/mach-omap2/usb-tusb6010.c +200 - tusb6010_platform_retime() vi arch/arm/mach-omap2/gpmc.c +94 - gpmc_get_fclk_period() vi arch/arm/mach-omap2/usb-tusb6010.c +53 - tusb_set_async_mode() vi arch/arm/mach-omap2/usb-tusb6010.c +111 - tusb_set_sync_mode() is -ENODEV appropriate when sysclk_ps == 0? This was found by code analysis, please review. ------------------------------>8-------------8<--------------------------------- gpmc_get_fclk_period() may return 0 when gpmc_l3_clk is not enabled. This is not checked in tusb6010_platform_retime() nor in tusb_set_async_mode() it seems. In tusb_set_sync_mode() this may result in a division by zero. Signed-off-by: Roel Kluin Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/usb-tusb6010.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c index 15e509013def..8df55f40f4c0 100644 --- a/arch/arm/mach-omap2/usb-tusb6010.c +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -187,7 +187,7 @@ int tusb6010_platform_retime(unsigned is_refclk) unsigned sysclk_ps; int status; - if (!refclk_psec) + if (!refclk_psec || sysclk_ps == 0) return -ENODEV; sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60; From b3bb4f688c225d9455bbd59e98f634f98c1074d0 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Thu, 23 Apr 2009 11:10:49 -0700 Subject: [PATCH 069/478] ARM: OMAP2/3: GPIO: do not attempt to wake-enable The GPIO IRQ enable/disable path attempts to also enable IRQ wake support for the parent GPIO bank IRQ as well. However, since there is no 'set_wake' hook for the bank IRQs, these calls will always fail. Also, since the enable will fail on the suspend path, the disable on the resume path will trigger unbalanced enable/disable warnings. This was discovered in the suspend/resume path on OMAP3/Beagle using the gpio-keys driver which disables/re-enables GPIO IRQ wakeups in the suspend/resume path. Signed-off-by: Kevin Hilman Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/gpio.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index d3fa41e3d8c5..210a1c045554 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -921,13 +921,10 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable) case METHOD_MPUIO: case METHOD_GPIO_1610: spin_lock_irqsave(&bank->lock, flags); - if (enable) { + if (enable) bank->suspend_wakeup |= (1 << gpio); - enable_irq_wake(bank->irq); - } else { - disable_irq_wake(bank->irq); + else bank->suspend_wakeup &= ~(1 << gpio); - } spin_unlock_irqrestore(&bank->lock, flags); return 0; #endif @@ -940,13 +937,10 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable) return -EINVAL; } spin_lock_irqsave(&bank->lock, flags); - if (enable) { + if (enable) bank->suspend_wakeup |= (1 << gpio); - enable_irq_wake(bank->irq); - } else { - disable_irq_wake(bank->irq); + else bank->suspend_wakeup &= ~(1 << gpio); - } spin_unlock_irqrestore(&bank->lock, flags); return 0; #endif From c485ab50dd90412d88e25ed30b4e0d5ff636ffe2 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Thu, 23 Apr 2009 11:10:49 -0700 Subject: [PATCH 070/478] ARM: OMAP3: remove duplicated #include Removed duplicated #include in arch/arm/mach-omap2/board-rx51.c. Signed-off-by: Huang Weiyi Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-rx51.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index 3a0daac6c839..374ff63c3eb2 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include From bedfd15410a331e4183d3d926bb944682cad61f3 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Thu, 23 Apr 2009 11:10:50 -0700 Subject: [PATCH 071/478] ARM: OMAP3: Fixed spurious IRQ issue for GPIO interrupts Flush posted write to IRQSTATUS register in GPIO IRQ handler. This eliminates the below error for all peripherals that use GPIO interrupts. <4>Spurious irq 95: 0xffffffdf, please flush posted write for irq 31 Signed-off-by: Roger Quadros Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/gpio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 210a1c045554..17d7afe42b83 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -758,8 +758,12 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) /* Workaround for clearing DSP GPIO interrupts to allow retention */ #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) + reg = bank->base + OMAP24XX_GPIO_IRQSTATUS2; if (cpu_is_omap24xx() || cpu_is_omap34xx()) - __raw_writel(gpio_mask, bank->base + OMAP24XX_GPIO_IRQSTATUS2); + __raw_writel(gpio_mask, reg); + + /* Flush posted write for the irq status to avoid spurious interrupts */ + __raw_readl(reg); #endif } From 846c29f109fc27bd93817271689a752afc9168f8 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Thu, 23 Apr 2009 11:10:50 -0700 Subject: [PATCH 072/478] ARM: OMAP3: Clean up spurious interrupt check logic SPURIOUSIRQ is contained in bits 31:7 of INTC_SIR, so INTC_SIR must be right shifted by 7, not 6. No change in logic, only changes for better readability. Refer to register definition of INTCPS_SIR_IRQ in OMAP3 Manual. Signed-off-by: Roger Quadros Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 9ba20d985dda..998c5c45587e 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -73,9 +73,9 @@ static int omap_check_spurious(unsigned int irq) u32 sir, spurious; sir = intc_bank_read_reg(&irq_banks[0], INTC_SIR); - spurious = sir >> 6; + spurious = sir >> 7; - if (spurious > 1) { + if (spurious) { printk(KERN_WARNING "Spurious irq %i: 0x%08x, please flush " "posted write for irq %i\n", irq, sir, previous_irq); From a5a0a630922a2f6a774b6dac19f70cb5abd86bb0 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Mon, 20 Apr 2009 21:34:18 -0700 Subject: [PATCH 073/478] ocfs2: Add missing iput() during error handling in ocfs2_dentry_attach_lock() In ocfs2_dentry_attach_lock(), if unable to get the dentry lock, we need to call iput(inode) because a failure here means no d_instantiate(), which means the normally matching iput() will not be called during dput(dentry). This patch fixes the oops that accompanies the following message: (3996,1):dlm_empty_lockres:2708 ERROR: lockres W00000000000000000a1046b06a4382 still has local locks! kernel BUG in dlm_empty_lockres at /rpmbuild/smushran/BUILD/ocfs2-1.4.2/fs/ocfs2/dlm/dlmmaster.c:2709! Signed-off-by: Sunil Mushran Signed-off-by: Joel Becker --- fs/ocfs2/dcache.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index 7d604480557a..b574431a031d 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -290,6 +290,21 @@ out_attach: else mlog_errno(ret); + /* + * In case of error, manually free the allocation and do the iput(). + * We need to do this because error here means no d_instantiate(), + * which means iput() will not be called during dput(dentry). + */ + if (ret < 0 && !alias) { + ocfs2_lock_res_free(&dl->dl_lockres); + BUG_ON(dl->dl_count != 1); + spin_lock(&dentry_attach_lock); + dentry->d_fsdata = NULL; + spin_unlock(&dentry_attach_lock); + kfree(dl); + iput(inode); + } + dput(alias); return ret; From b75d17285b9de74a0f19e64e1389efcc6626d3fc Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 23 Apr 2009 19:25:51 -0700 Subject: [PATCH 074/478] Input: ALPS - add signature for Toshiba Satellite Pro M10 This toshiba has a touchpad with trackpoint and 2 sets of left and right buttons (above and below touchpad). Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/alps.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index cbedf957cc58..daecc75c72e6 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -37,6 +37,7 @@ #define ALPS_FW_BK_2 0x40 static const struct alps_model_info alps_model_data[] = { + { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, From 15ca78f7925899fee7bc265651a69ab51f449eea Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Thu, 23 Apr 2009 21:11:06 -0600 Subject: [PATCH 075/478] OMAP2xxx clock: fix broken cpu_mask code Commit 8ad8ff6548f1c0bcbeaa02f274b3927c5015a921 breaks the OMAP2xxx cpu_mask code, which causes OMAP2xxx to panic on boot. Fix by removing the cpu_mask auto variable and by changing CK_242X and CK_243X to use RATE_IN_242X/RATE_IN_243X. Resolves <1>Unable to handle kernel NULL pointer dereference at virtual address 0000000c <1>pgd = c0004000 <1>[0000000c] *pgd=00000000 Internal error: Oops: 5 [#1] Modules linked in: CPU: 0 Not tainted (2.6.29-omap1 #32) PC is at omap2_clk_set_parent+0x104/0x120 LR is at omap2_clk_set_parent+0x28/0x120 Signed-off-by: Paul Walmsley Tested-by: Jarkko Nikula Cc: Russell King --- arch/arm/mach-omap2/clock24xx.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index 984fb86349ba..5ea418327e89 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -60,8 +60,8 @@ struct omap_clk { }, \ } -#define CK_243X (1 << 0) -#define CK_242X (1 << 1) +#define CK_243X RATE_IN_243X +#define CK_242X RATE_IN_242X static struct omap_clk omap24xx_clks[] = { /* external root sources */ @@ -711,7 +711,7 @@ int __init omap2_clk_init(void) { struct prcm_config *prcm; struct omap_clk *c; - u32 clkrate, cpu_mask; + u32 clkrate; if (cpu_is_omap242x()) cpu_mask = RATE_IN_242X; @@ -728,12 +728,6 @@ int __init omap2_clk_init(void) sys_ck.rate = omap2_sys_clk_recalc(&sys_ck); propagate_rate(&sys_ck); - cpu_mask = 0; - if (cpu_is_omap2420()) - cpu_mask |= CK_242X; - if (cpu_is_omap2430()) - cpu_mask |= CK_243X; - for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++) if (c->cpu & cpu_mask) { clkdev_add(&c->lk); From 9e53dd7180a1fd59a785dbfb9c633f01c96c388f Mon Sep 17 00:00:00 2001 From: Sergio Aguirre Date: Thu, 23 Apr 2009 21:11:07 -0600 Subject: [PATCH 076/478] OMAP3: clock: Camera module doesn't have IDLEST bit This patch avoids waiting for the camera module to become ready, since it doesn't have IDLEST bit. Based on a earlier hack done by Paul Walmsley on Sep 9 2008 on linux-omap tree. Signed-off-by: Sergio Aguirre Signed-off-by: Paul Walmsley --- arch/arm/mach-omap2/clock34xx.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index 70ec10deb654..f0090175d597 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -2052,7 +2052,7 @@ static struct clk dss_ick = { static struct clk cam_mclk = { .name = "cam_mclk", - .ops = &clkops_omap2_dflt_wait, + .ops = &clkops_omap2_dflt, .parent = &dpll4_m5x2_ck, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_CAM_SHIFT, @@ -2063,7 +2063,7 @@ static struct clk cam_mclk = { static struct clk cam_ick = { /* Handles both L3 and L4 clocks */ .name = "cam_ick", - .ops = &clkops_omap2_dflt_wait, + .ops = &clkops_omap2_dflt, .parent = &l4_ick, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), @@ -2074,7 +2074,7 @@ static struct clk cam_ick = { static struct clk csi2_96m_fck = { .name = "csi2_96m_fck", - .ops = &clkops_omap2_dflt_wait, + .ops = &clkops_omap2_dflt, .parent = &core_96m_fck, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN), From d53eb73795c55101453ea6ca4f486ea2ff7b0496 Mon Sep 17 00:00:00 2001 From: Arun KS Date: Thu, 23 Apr 2009 21:11:07 -0600 Subject: [PATCH 077/478] OMAP1: clock: Typo fix for clock in omap1 Typo error when requesting for clock for dsp in omap1 Signed-off-by: Arun KS Signed-off-by: Paul Walmsley --- arch/arm/mach-omap1/mcbsp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c index d040c3f1027f..a2d7814896be 100644 --- a/arch/arm/mach-omap1/mcbsp.c +++ b/arch/arm/mach-omap1/mcbsp.c @@ -40,8 +40,8 @@ static void omap1_mcbsp_request(unsigned int id) */ if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) { if (dsp_use++ == 0) { - api_clk = clk_get(NULL, "api_clk"); - dsp_clk = clk_get(NULL, "dsp_clk"); + api_clk = clk_get(NULL, "api_ck"); + dsp_clk = clk_get(NULL, "dsp_ck"); if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) { clk_enable(api_clk); clk_enable(dsp_clk); From 9198a40620fc69d577e854fb571e76af3313bc53 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Thu, 23 Apr 2009 21:11:08 -0600 Subject: [PATCH 078/478] OMAP3 GPTIMER: fix GPTIMER12 IRQ GPTIMER12 IRQ is at IRQ 95 on OMAP3, unlike OMAP2. (ref: OMAP34xx Multimedia High Security (HS) Device Silicon Revision 3.0 Security Addendum Rev. B, SWPU119B) Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/dmtimer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index bfd47570cc91..c99d611242a9 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -238,7 +238,7 @@ static struct omap_dm_timer omap3_dm_timers[] = { { .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 }, { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 }, { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 }, - { .phys_base = 0x48304000, .irq = INT_24XX_GPTIMER12 }, + { .phys_base = 0x48304000, .irq = INT_34XX_GPT12_IRQ }, }; static const char *omap3_dm_source_names[] __initdata = { From 219c5b98d5eb86c75abc716087f494fe06c6b64e Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Thu, 23 Apr 2009 21:11:08 -0600 Subject: [PATCH 079/478] OMAP: dmtimer: enable all timers to be wakeup events All GP timers on OMAP2/3 can generate wakeup events. The wakeup status is cleared in the PRCM interrupt handler. Signed-off-by: Kevin Hilman Signed-off-by: Paul Walmsley --- arch/arm/plat-omap/dmtimer.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index c99d611242a9..a05205c12f7b 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -321,11 +321,9 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ /* - * Enable wake-up only for GPT1 on OMAP2 CPUs. - * FIXME: All timers should have wake-up enabled and clear - * PRCM status. + * Enable wake-up on OMAP2 CPUs. */ - if (cpu_class_is_omap2() && (timer == &dm_timers[0])) + if (cpu_class_is_omap2()) l |= 1 << 2; omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l); From f248076c0dad45b7e50f27096e1aac6a617665db Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Thu, 23 Apr 2009 21:11:10 -0600 Subject: [PATCH 080/478] OMAP2/3 GPTIMER: allow system tick GPTIMER to be changed in board-*.c files Add a function omap2_gp_clockevent_set_gptimer() for board-*.c files to use in .init_irq functions to configure the system tick GPTIMER. Practical choices at this point are GPTIMER1 or GPTIMER12. Both of these timers are in the WKUP powerdomain, and so are unaffected by chip power management. GPTIMER1 can use sys_clk as a source, for applications where a high-resolution timer is more important than power management. GPTIMER12 has the special property that it has the secure 32kHz oscillator as its source clock, which may be less prone to glitches than the off-chip 32kHz oscillator. But on HS devices, it may not be available for Linux use. It appears that most boards are fine with GPTIMER1, but BeagleBoard should use GPTIMER12 when using a 32KiHz timer source, due to hardware bugs in revisions B4 and below. Modify board-omap3beagle.c to use GPTIMER12. This patch originally used a Kbuild config option to select the GPTIMER, but was changed to allow this to be specified in board-*.c files, per Tony's request. Kalle Vallo found a bug in an earlier version of this patch - thanks Kalle. Tested on Beagle rev B4 ES2.1, with and without CONFIG_OMAP_32K_TIMER, and 3430SDP. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren Cc: Kalle Valo --- arch/arm/mach-omap2/board-omap3beagle.c | 4 ++ arch/arm/mach-omap2/clock24xx.c | 1 + arch/arm/mach-omap2/clock24xx.h | 10 ++++- arch/arm/mach-omap2/clock34xx.h | 1 - arch/arm/mach-omap2/timer-gp.c | 48 ++++++++++++++++++++-- arch/arm/plat-omap/dmtimer.c | 20 ++++++--- arch/arm/plat-omap/include/mach/dmtimer.h | 2 +- arch/arm/plat-omap/include/mach/timer-gp.h | 17 ++++++++ 8 files changed, 91 insertions(+), 12 deletions(-) create mode 100644 arch/arm/plat-omap/include/mach/timer-gp.h diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 744740ae1b9c..3a7a29d1f9a7 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -42,6 +42,7 @@ #include #include #include +#include #include "mmc-twl4030.h" @@ -186,6 +187,9 @@ static void __init omap3_beagle_init_irq(void) { omap2_init_common_hw(NULL); omap_init_irq(); +#ifdef CONFIG_OMAP_32K_TIMER + omap2_gp_clockevent_set_gptimer(12); +#endif omap_gpio_init(); } diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index 5ea418327e89..efc59c49341b 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -66,6 +66,7 @@ struct omap_clk { static struct omap_clk omap24xx_clks[] = { /* external root sources */ CLK(NULL, "func_32k_ck", &func_32k_ck, CK_243X | CK_242X), + CLK(NULL, "secure_32k_ck", &secure_32k_ck, CK_243X | CK_242X), CLK(NULL, "osc_ck", &osc_ck, CK_243X | CK_242X), CLK(NULL, "sys_ck", &sys_ck, CK_243X | CK_242X), CLK(NULL, "alt_ck", &alt_ck, CK_243X | CK_242X), diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index 33c3e5b14323..88c5acb40fcf 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -625,6 +625,14 @@ static struct clk func_32k_ck = { .clkdm_name = "wkup_clkdm", }; +static struct clk secure_32k_ck = { + .name = "secure_32k_ck", + .ops = &clkops_null, + .rate = 32768, + .flags = RATE_FIXED, + .clkdm_name = "wkup_clkdm", +}; + /* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */ static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */ .name = "osc_ck", @@ -1790,7 +1798,7 @@ static struct clk gpt12_ick = { static struct clk gpt12_fck = { .name = "gpt12_fck", .ops = &clkops_omap2_dflt_wait, - .parent = &func_32k_ck, + .parent = &secure_32k_ck, .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT12_SHIFT, diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index f0090175d597..6763b8f73028 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -2901,7 +2901,6 @@ static struct clk sr_l4_ick = { /* SECURE_32K_FCK clocks */ -/* XXX This clock no longer exists in 3430 TRM rev F */ static struct clk gpt12_fck = { .name = "gpt12_fck", .ops = &clkops_null, diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 9fc13a2cc3f4..7835048041eb 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -3,6 +3,8 @@ * * OMAP2 GP timer support. * + * Copyright (C) 2009 Nokia Corporation + * * Update to use new clocksource/clockevent layers * Author: Kevin Hilman, MontaVista Software, Inc. * Copyright (C) 2007 MontaVista Software, Inc. @@ -36,8 +38,13 @@ #include #include +/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */ +#define MAX_GPTIMER_ID 12 + static struct omap_dm_timer *gptimer; static struct clock_event_device clockevent_gpt; +static u8 __initdata gptimer_id = 1; +static u8 __initdata inited; static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id) { @@ -95,20 +102,53 @@ static struct clock_event_device clockevent_gpt = { .set_mode = omap2_gp_timer_set_mode, }; +/** + * omap2_gp_clockevent_set_gptimer - set which GPTIMER is used for clockevents + * @id: GPTIMER to use (1..MAX_GPTIMER_ID) + * + * Define the GPTIMER that the system should use for the tick timer. + * Meant to be called from board-*.c files in the event that GPTIMER1, the + * default, is unsuitable. Returns -EINVAL on error or 0 on success. + */ +int __init omap2_gp_clockevent_set_gptimer(u8 id) +{ + if (id < 1 || id > MAX_GPTIMER_ID) + return -EINVAL; + + BUG_ON(inited); + + gptimer_id = id; + + return 0; +} + static void __init omap2_gp_clockevent_init(void) { u32 tick_rate; + int src; - gptimer = omap_dm_timer_request_specific(1); + inited = 1; + + gptimer = omap_dm_timer_request_specific(gptimer_id); BUG_ON(gptimer == NULL); #if defined(CONFIG_OMAP_32K_TIMER) - omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ); + src = OMAP_TIMER_SRC_32_KHZ; #else - omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_SYS_CLK); + src = OMAP_TIMER_SRC_SYS_CLK; + WARN(gptimer_id == 12, "WARNING: GPTIMER12 can only use the " + "secure 32KiHz clock source\n"); #endif + + if (gptimer_id != 12) + WARN(IS_ERR_VALUE(omap_dm_timer_set_source(gptimer, src)), + "timer-gp: omap_dm_timer_set_source() failed\n"); + tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer)); + pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n", + gptimer_id, tick_rate); + omap2_gp_timer_irq.dev_id = (void *)gptimer; setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq); omap_dm_timer_set_int_enable(gptimer, OMAP_TIMER_INT_OVERFLOW); @@ -125,6 +165,8 @@ static void __init omap2_gp_clockevent_init(void) clockevents_register_device(&clockevent_gpt); } +/* Clocksource code */ + #ifdef CONFIG_OMAP_32K_TIMER /* * When 32k-timer is enabled, don't use GPTimer for clocksource diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index a05205c12f7b..55bb99631292 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -509,7 +509,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_stop); #ifdef CONFIG_ARCH_OMAP1 -void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) +int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) { int n = (timer - dm_timers) << 1; u32 l; @@ -517,23 +517,31 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); l |= source << n; omap_writel(l, MOD_CONF_CTRL_1); + + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); #else -void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) +int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) { + int ret = -EINVAL; + if (source < 0 || source >= 3) - return; + return -EINVAL; clk_disable(timer->fclk); - clk_set_parent(timer->fclk, dm_source_clocks[source]); + ret = clk_set_parent(timer->fclk, dm_source_clocks[source]); clk_enable(timer->fclk); - /* When the functional clock disappears, too quick writes seem to - * cause an abort. */ + /* + * When the functional clock disappears, too quick writes seem + * to cause an abort. XXX Is this still necessary? + */ __delay(150000); + + return ret; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); diff --git a/arch/arm/plat-omap/include/mach/dmtimer.h b/arch/arm/plat-omap/include/mach/dmtimer.h index 6dc703138210..20f1054c0a80 100644 --- a/arch/arm/plat-omap/include/mach/dmtimer.h +++ b/arch/arm/plat-omap/include/mach/dmtimer.h @@ -64,7 +64,7 @@ void omap_dm_timer_trigger(struct omap_dm_timer *timer); void omap_dm_timer_start(struct omap_dm_timer *timer); void omap_dm_timer_stop(struct omap_dm_timer *timer); -void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source); +int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source); void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value); void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int value); void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match); diff --git a/arch/arm/plat-omap/include/mach/timer-gp.h b/arch/arm/plat-omap/include/mach/timer-gp.h new file mode 100644 index 000000000000..c88d346b59d9 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/timer-gp.h @@ -0,0 +1,17 @@ +/* + * OMAP2/3 GPTIMER support.headers + * + * Copyright (C) 2009 Nokia Corporation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H +#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H + +int __init omap2_gp_clockevent_set_gptimer(u8 id); + +#endif + From e8a1344119f3787b822d110336e5dd33f6ffca70 Mon Sep 17 00:00:00 2001 From: Maciej Cencora Date: Fri, 17 Apr 2009 15:55:09 +0200 Subject: [PATCH 081/478] drm/radeon: bump minor version for occlusion queries support We already added support, just need to let userspace know when it can use them. Signed-off-by: Maciej Cencora Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_drv.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index ed4d27e6ee6f..8071d965f142 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.h +++ b/drivers/gpu/drm/radeon/radeon_drv.h @@ -99,9 +99,10 @@ * 1.27- Add support for IGP GART * 1.28- Add support for VBL on CRTC2 * 1.29- R500 3D cmd buffer support + * 1.30- Add support for occlusion queries */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 29 +#define DRIVER_MINOR 30 #define DRIVER_PATCHLEVEL 0 /* From c964b129425c98cb37da365e772bdbe5281f3a05 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 22 Apr 2009 18:32:56 +1000 Subject: [PATCH 082/478] drm/kms: don't try to shortcut drm mode set function We have a drm_set_config which takes a crtc/encoder/mode setup, and checks it to see if it can shortcut and just do a base setup, or whether a complete mode setting is required. Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_crtc_helper.c | 19 ------------------- 1 file changed, 19 deletions(-) diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index a04639dc633d..45890447feec 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -561,7 +561,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, int saved_x, saved_y; struct drm_encoder *encoder; bool ret = true; - bool depth_changed, bpp_changed; adjusted_mode = drm_mode_duplicate(dev, mode); @@ -570,15 +569,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (!crtc->enabled) return true; - if (old_fb && crtc->fb) { - depth_changed = (old_fb->depth != crtc->fb->depth); - bpp_changed = (old_fb->bits_per_pixel != - crtc->fb->bits_per_pixel); - } else { - depth_changed = true; - bpp_changed = true; - } - saved_mode = crtc->mode; saved_x = crtc->x; saved_y = crtc->y; @@ -590,15 +580,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, crtc->x = x; crtc->y = y; - if (drm_mode_equal(&saved_mode, &crtc->mode)) { - if (saved_x != crtc->x || saved_y != crtc->y || - depth_changed || bpp_changed) { - ret = !crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y, - old_fb); - goto done; - } - } - /* Pass our mode to the connectors and the CRTC to give them a chance to * adjust it according to limitations or connector properties, and also * a chance to reject the mode entirely. From 59738d5c974d81b566cb53c203f5db268b7b3545 Mon Sep 17 00:00:00 2001 From: Jonas Bonn Date: Fri, 24 Apr 2009 15:05:02 +1000 Subject: [PATCH 083/478] drm: add control node checks missing from kms merge This line that checks the DRM_CONTROL_ALLOW flag was missed from the KMS merge. Re-add the check on the IOCTL, as this is currently the only use of this flag. Signed-off-by: Jonas Bonn Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index c4ada8b6295b..f01def16a669 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -456,7 +456,8 @@ int drm_ioctl(struct inode *inode, struct file *filp, retcode = -EINVAL; } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) || ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || - ((ioctl->flags & DRM_MASTER) && !file_priv->is_master)) { + ((ioctl->flags & DRM_MASTER) && !file_priv->is_master) || + (!(ioctl->flags & DRM_CONTROL_ALLOW) && (file_priv->minor->type == DRM_MINOR_CONTROL))) { retcode = -EACCES; } else { if (cmd & (IOC_IN | IOC_OUT)) { From 400138bc8b9fca66d7d40511eaed2dc3a75426c8 Mon Sep 17 00:00:00 2001 From: Jonas Bonn Date: Fri, 24 Apr 2009 15:06:36 +1000 Subject: [PATCH 084/478] drm: remove unreachable code in drm_sysfs.c This code was never going to get called in there. Signed-off-by: Jonas Bonn Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_sysfs.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 022876ae34f0..8f9372921f82 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -489,9 +489,7 @@ int drm_sysfs_device_add(struct drm_minor *minor) return 0; - device_unregister(&minor->kdev); err_out: - return err; } From 30ddbd94401a132f4d932775d1902b3c9a8c41b5 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 2 Mar 2009 11:13:04 +1000 Subject: [PATCH 085/478] drm: clean the map list before destroying the hash table The hash tables contains some of the mapping so its really nice to have it for the deletion phase. Signed-off-by: Ben Skeggs Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_stub.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index ef878615c49f..e8c2fd4c5e65 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -502,11 +502,11 @@ void drm_put_dev(struct drm_device *dev) dev->agp = NULL; } - drm_ht_remove(&dev->map_hash); - drm_ctxbitmap_cleanup(dev); - list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) drm_rmmap(dev, r_list->map); + drm_ht_remove(&dev->map_hash); + + drm_ctxbitmap_cleanup(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) drm_put_minor(&dev->control); From 3788f48a0fad246dbab826e8b2f07b403b0e3279 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 2 Mar 2009 10:37:44 +1000 Subject: [PATCH 086/478] drm: cleanup properly in drm_get_dev() failure paths Signed-off-by: Ben Skeggs Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_stub.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index e8c2fd4c5e65..b9631e3a1ea6 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -402,14 +402,14 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, if (dev->driver->load) { ret = dev->driver->load(dev, ent->driver_data); if (ret) - goto err_g3; + goto err_g4; } /* setup the grouping for the legacy output */ if (drm_core_check_feature(dev, DRIVER_MODESET)) { ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); if (ret) - goto err_g3; + goto err_g4; } list_add_tail(&dev->driver_item, &driver->device_list); @@ -420,8 +420,11 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, return 0; -err_g3: +err_g4: drm_put_minor(&dev->primary); +err_g3: + if (drm_core_check_feature(dev, DRIVER_MODESET)) + drm_put_minor(&dev->control); err_g2: pci_disable_device(pdev); err_g1: From 9ae2ccf26416ed52874718e2b0c8e6813253263a Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Fri, 24 Apr 2009 08:57:47 -0400 Subject: [PATCH 087/478] maintainers: Fix PowerPC 4xx git tree Update the git tree URL for the PowerPC 4xx git tree. Reported-by: Denis ChengRq Signed-off-by: Josh Boyer --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index e133ba4de416..53d6e611eadd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3375,7 +3375,7 @@ P: Matt Porter M: mporter@kernel.crashing.org W: http://www.penguinppc.org/ L: linuxppc-dev@ozlabs.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx.git S: Maintained LINUX FOR POWERPC EMBEDDED XILINX VIRTEX From 644e28f3426810710b176080cc906995ebc24b63 Mon Sep 17 00:00:00 2001 From: Valentine Barshak Date: Thu, 23 Apr 2009 10:55:06 +0000 Subject: [PATCH 088/478] powerpc/44x: Correct memory size calculation for denali-based boards Some U-Boot versions incorrectly set the number of chipselects to two for Sequoia/Rainier boards while they only have one chipselect hardwired. This patch adds a workaround for this, hardcoding the number of chipselects to one for sequioa/rainer board models and reading the actual value from the memory controller register DDR0_10 otherwise. It also fixes another error in the way ibm4xx_denali_fixup_memsize calculates memory size. When testing the DDR_REDUC bit, the polarity is backwards. A "1" implies 32-bit wide memory while a "0" implies 64-bit wide memory. Signed-off-by: Mikhail Zolotaryov Signed-off-by: Valentine Barshak Signed-off-by: Steven A. Falco Acked-by: Stefan Roese Signed-off-by: Josh Boyer --- arch/powerpc/boot/4xx.c | 56 +++++++++++++++++++++++++++++++---------- 1 file changed, 43 insertions(+), 13 deletions(-) diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c index 5c878436f348..325b310573b9 100644 --- a/arch/powerpc/boot/4xx.c +++ b/arch/powerpc/boot/4xx.c @@ -158,6 +158,46 @@ void ibm440spe_fixup_memsize(void) #define DDR_GET_VAL(val, mask, shift) (((val) >> (shift)) & (mask)) +/* + * Some U-Boot versions set the number of chipselects to two + * for Sequoia/Rainier boards while they only have one chipselect + * hardwired. Hardcode the number of chipselects to one + * for sequioa/rainer board models or read the actual value + * from the memory controller register DDR0_10 otherwise. + */ +static inline u32 ibm4xx_denali_get_cs(void) +{ + void *devp; + char model[64]; + u32 val, cs; + + devp = finddevice("/"); + if (!devp) + goto read_cs; + + if (getprop(devp, "model", model, sizeof(model)) <= 0) + goto read_cs; + + model[sizeof(model)-1] = 0; + + if (!strcmp(model, "amcc,sequoia") || + !strcmp(model, "amcc,rainier")) + return 1; + +read_cs: + /* get CS value */ + val = SDRAM0_READ(DDR0_10); + + val = DDR_GET_VAL(val, DDR_CS_MAP, DDR_CS_MAP_SHIFT); + cs = 0; + while (val) { + if (val & 0x1) + cs++; + val = val >> 1; + } + return cs; +} + void ibm4xx_denali_fixup_memsize(void) { u32 val, max_cs, max_col, max_row; @@ -173,17 +213,7 @@ void ibm4xx_denali_fixup_memsize(void) max_col = DDR_GET_VAL(val, DDR_MAX_COL_REG, DDR_MAX_COL_REG_SHIFT); max_row = DDR_GET_VAL(val, DDR_MAX_ROW_REG, DDR_MAX_ROW_REG_SHIFT); - /* get CS value */ - val = SDRAM0_READ(DDR0_10); - - val = DDR_GET_VAL(val, DDR_CS_MAP, DDR_CS_MAP_SHIFT); - cs = 0; - while (val) { - if (val & 0x1) - cs++; - val = val >> 1; - } - + cs = ibm4xx_denali_get_cs(); if (!cs) fatal("No memory installed\n"); if (cs > max_cs) @@ -193,9 +223,9 @@ void ibm4xx_denali_fixup_memsize(void) val = SDRAM0_READ(DDR0_14); if (DDR_GET_VAL(val, DDR_REDUC, DDR_REDUC_SHIFT)) - dpath = 8; /* 64 bits */ - else dpath = 4; /* 32 bits */ + else + dpath = 8; /* 64 bits */ /* get address pins (rows) */ val = SDRAM0_READ(DDR0_42); From 5ff482940f5aa2cdc3424c4a8ea94b9833b2af5f Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 24 Apr 2009 15:37:44 +0200 Subject: [PATCH 089/478] netfilter: nf_ct_dccp/udplite: fix protocol registration error Commit d0dba725 (netfilter: ctnetlink: add callbacks to the per-proto nlattrs) changed the protocol registration function to abort if the to-be registered protocol doesn't provide a new callback function. The DCCP and UDP-Lite IPv6 protocols were missed in this conversion, add the required callback pointer. Reported-and-tested-by: Steven Jan Springl Signed-off-by: Patrick McHardy --- net/netfilter/nf_conntrack_proto_dccp.c | 1 + net/netfilter/nf_conntrack_proto_udplite.c | 1 + 2 files changed, 2 insertions(+) diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index 50dac8dbe7d8..5411d63f31a5 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -777,6 +777,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = { .print_conntrack = dccp_print_conntrack, #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE) .to_nlattr = dccp_to_nlattr, + .nlattr_size = dccp_nlattr_size, .from_nlattr = nlattr_to_dccp, .tuple_to_nlattr = nf_ct_port_tuple_to_nlattr, .nlattr_tuple_size = nf_ct_port_nlattr_tuple_size, diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c index 4614696c1b88..0badedc542d3 100644 --- a/net/netfilter/nf_conntrack_proto_udplite.c +++ b/net/netfilter/nf_conntrack_proto_udplite.c @@ -204,6 +204,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly = .error = udplite_error, #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE) .tuple_to_nlattr = nf_ct_port_tuple_to_nlattr, + .nlattr_tuple_size = nf_ct_port_nlattr_tuple_size, .nlattr_to_tuple = nf_ct_port_nlattr_to_tuple, .nla_policy = nf_ct_port_nla_policy, #endif From 4b0706624930dc75c3b0d0df463d89759ef7de29 Mon Sep 17 00:00:00 2001 From: Laszlo Attila Toth Date: Fri, 24 Apr 2009 16:55:25 +0200 Subject: [PATCH 090/478] netfilter: Kconfig: TProxy doesn't depend on NF_CONNTRACK Signed-off-by: Laszlo Attila Toth Signed-off-by: Patrick McHardy --- net/netfilter/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 2329c5f50551..881203c4a142 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -275,6 +275,8 @@ config NF_CT_NETLINK help This option enables support for a netlink-based userspace interface +endif # NF_CONNTRACK + # transparent proxy support config NETFILTER_TPROXY tristate "Transparent proxying support (EXPERIMENTAL)" @@ -290,8 +292,6 @@ config NETFILTER_TPROXY To compile it as a module, choose M here. If unsure, say N. -endif # NF_CONNTRACK - config NETFILTER_XTABLES tristate "Netfilter Xtables support (required for ip_tables)" default m if NETFILTER_ADVANCED=n From 71951b64a5a87c09eb6fde59ce51aaab2fdaeab2 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Fri, 24 Apr 2009 16:58:41 +0200 Subject: [PATCH 091/478] netfilter: nf_ct_dccp: add missing role attributes for DCCP This patch adds missing role attribute to the DCCP type, otherwise the creation of entries is not of any use. The attribute added is CTA_PROTOINFO_DCCP_ROLE which contains the role of the conntrack original tuple. Signed-off-by: Pablo Neira Ayuso Signed-off-by: Patrick McHardy --- include/linux/netfilter/nfnetlink_conntrack.h | 1 + net/netfilter/nf_conntrack_proto_dccp.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h index 29fe9ea1d346..1a865e48b8eb 100644 --- a/include/linux/netfilter/nfnetlink_conntrack.h +++ b/include/linux/netfilter/nfnetlink_conntrack.h @@ -100,6 +100,7 @@ enum ctattr_protoinfo_tcp { enum ctattr_protoinfo_dccp { CTA_PROTOINFO_DCCP_UNSPEC, CTA_PROTOINFO_DCCP_STATE, + CTA_PROTOINFO_DCCP_ROLE, __CTA_PROTOINFO_DCCP_MAX, }; #define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1) diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index 5411d63f31a5..8e757dd53396 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -633,6 +633,8 @@ static int dccp_to_nlattr(struct sk_buff *skb, struct nlattr *nla, if (!nest_parms) goto nla_put_failure; NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_STATE, ct->proto.dccp.state); + NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_ROLE, + ct->proto.dccp.role[IP_CT_DIR_ORIGINAL]); nla_nest_end(skb, nest_parms); read_unlock_bh(&dccp_lock); return 0; @@ -644,6 +646,7 @@ nla_put_failure: static const struct nla_policy dccp_nla_policy[CTA_PROTOINFO_DCCP_MAX + 1] = { [CTA_PROTOINFO_DCCP_STATE] = { .type = NLA_U8 }, + [CTA_PROTOINFO_DCCP_ROLE] = { .type = NLA_U8 }, }; static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct) @@ -661,11 +664,21 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct) return err; if (!tb[CTA_PROTOINFO_DCCP_STATE] || - nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]) >= CT_DCCP_IGNORE) + !tb[CTA_PROTOINFO_DCCP_ROLE] || + nla_get_u8(tb[CTA_PROTOINFO_DCCP_ROLE]) > CT_DCCP_ROLE_MAX || + nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]) >= CT_DCCP_IGNORE) { return -EINVAL; + } write_lock_bh(&dccp_lock); ct->proto.dccp.state = nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]); + if (nla_get_u8(tb[CTA_PROTOINFO_DCCP_ROLE]) == CT_DCCP_ROLE_CLIENT) { + ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_CLIENT; + ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_SERVER; + } else { + ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_SERVER; + ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_CLIENT; + } write_unlock_bh(&dccp_lock); return 0; } From 37e55cf0ceb8803256bf69a3e45bd668bf90b76f Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Fri, 24 Apr 2009 17:05:21 +0200 Subject: [PATCH 092/478] netfilter: xt_recent: fix stack overread in compat code Related-to: commit 325fb5b4d26038cba665dd0d8ee09555321061f0 The compat path suffers from a similar problem. It only uses a __be32 when all of the recent code uses, and expects, an nf_inet_addr everywhere. As a result, addresses stored by xt_recents were filled with whatever other stuff was on the stack following the be32. Signed-off-by: Jan Engelhardt With a minor compile fix from Roman. Reported-and-tested-by: Roman Hoog Antink Signed-off-by: Patrick McHardy --- net/netfilter/xt_recent.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c index 791e030ea903..eb0ceb846527 100644 --- a/net/netfilter/xt_recent.c +++ b/net/netfilter/xt_recent.c @@ -474,7 +474,7 @@ static ssize_t recent_old_proc_write(struct file *file, struct recent_table *t = pde->data; struct recent_entry *e; char buf[sizeof("+255.255.255.255")], *c = buf; - __be32 addr; + union nf_inet_addr addr = {}; int add; if (size > sizeof(buf)) @@ -506,14 +506,13 @@ static ssize_t recent_old_proc_write(struct file *file, add = 1; break; } - addr = in_aton(c); + addr.ip = in_aton(c); spin_lock_bh(&recent_lock); - e = recent_entry_lookup(t, (const void *)&addr, NFPROTO_IPV4, 0); + e = recent_entry_lookup(t, &addr, NFPROTO_IPV4, 0); if (e == NULL) { if (add) - recent_entry_init(t, (const void *)&addr, - NFPROTO_IPV4, 0); + recent_entry_init(t, &addr, NFPROTO_IPV4, 0); } else { if (add) recent_entry_update(t, e); From 97e728d4353f38c87bf0804cdfd79a9b13fc2c3e Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Tue, 21 Apr 2009 17:40:57 -0400 Subject: [PATCH 093/478] Btrfs: try to keep a healthy ratio of metadata vs data block groups This patch makes the chunk allocator keep a good ratio of metadata vs data block groups. By default for every 8 data block groups, we'll allocate 1 metadata chunk, or about 12% of the disk will be allocated for metadata. This can be changed by specifying the metadata_ratio mount option. This is simply the number of data block groups that have to be allocated to force a metadata chunk allocation. By making sure we allocate metadata chunks more often, we are less likely to get into situations where the whole disk has been allocated as data block groups. Signed-off-by: Josef Bacik Signed-off-by: Chris Mason --- fs/btrfs/ctree.h | 3 +++ fs/btrfs/disk-io.c | 1 + fs/btrfs/extent-tree.c | 28 +++++++++++++++++++++++++++- fs/btrfs/super.c | 12 +++++++++++- 4 files changed, 42 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ad96495dedc5..213535f45da2 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -881,6 +881,9 @@ struct btrfs_fs_info { u64 metadata_alloc_profile; u64 system_alloc_profile; + unsigned data_chunk_allocations; + unsigned metadata_ratio; + void *bdev_holder; }; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a6b83744b05d..44c94d808e2b 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1604,6 +1604,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, fs_info->btree_inode = new_inode(sb); fs_info->btree_inode->i_ino = 1; fs_info->btree_inode->i_nlink = 1; + fs_info->metadata_ratio = 8; fs_info->thread_pool_size = min_t(unsigned long, num_online_cpus() + 2, 8); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 178df4c67de4..2895a8373232 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1918,15 +1918,29 @@ void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode, spin_unlock(&info->lock); } +static void force_metadata_allocation(struct btrfs_fs_info *info) +{ + struct list_head *head = &info->space_info; + struct btrfs_space_info *found; + + rcu_read_lock(); + list_for_each_entry_rcu(found, head, list) { + if (found->flags & BTRFS_BLOCK_GROUP_METADATA) + found->force_alloc = 1; + } + rcu_read_unlock(); +} + static int do_chunk_alloc(struct btrfs_trans_handle *trans, struct btrfs_root *extent_root, u64 alloc_bytes, u64 flags, int force) { struct btrfs_space_info *space_info; + struct btrfs_fs_info *fs_info = extent_root->fs_info; u64 thresh; int ret = 0; - mutex_lock(&extent_root->fs_info->chunk_mutex); + mutex_lock(&fs_info->chunk_mutex); flags = btrfs_reduce_alloc_profile(extent_root, flags); @@ -1958,6 +1972,18 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans, } spin_unlock(&space_info->lock); + /* + * if we're doing a data chunk, go ahead and make sure that + * we keep a reasonable number of metadata chunks allocated in the + * FS as well. + */ + if (flags & BTRFS_BLOCK_GROUP_DATA) { + fs_info->data_chunk_allocations++; + if (!(fs_info->data_chunk_allocations % + fs_info->metadata_ratio)) + force_metadata_allocation(fs_info); + } + ret = btrfs_alloc_chunk(trans, extent_root, flags); if (ret) space_info->full = 1; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 9744af9d71e9..30c9a8ca2a54 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -68,7 +68,7 @@ enum { Opt_degraded, Opt_subvol, Opt_device, Opt_nodatasum, Opt_nodatacow, Opt_max_extent, Opt_max_inline, Opt_alloc_start, Opt_nobarrier, Opt_ssd, Opt_thread_pool, Opt_noacl, Opt_compress, Opt_notreelog, - Opt_flushoncommit, Opt_err, + Opt_ratio, Opt_flushoncommit, Opt_err, }; static match_table_t tokens = { @@ -87,6 +87,7 @@ static match_table_t tokens = { {Opt_noacl, "noacl"}, {Opt_notreelog, "notreelog"}, {Opt_flushoncommit, "flushoncommit"}, + {Opt_ratio, "metadata_ratio=%d"}, {Opt_err, NULL}, }; @@ -234,6 +235,15 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) printk(KERN_INFO "btrfs: turning on flush-on-commit\n"); btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT); break; + case Opt_ratio: + intarg = 0; + match_int(&args[0], &intarg); + if (intarg) { + info->metadata_ratio = intarg; + printk(KERN_INFO "btrfs: metadata ratio %d\n", + info->metadata_ratio); + } + break; default: break; } From 2ea2544ef5dad5cac52f1e4c7b812631274fc1cb Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 13 Apr 2009 15:32:28 +0200 Subject: [PATCH 094/478] Btrfs: simplify makefile Get rid of the hacks for building out of tree, and always use += for assigning to the object lists. Signed-off-by: Christoph Hellwig Signed-off-by: Chris Mason --- fs/btrfs/Makefile | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile index 9adf5e4f7e96..94212844a9bc 100644 --- a/fs/btrfs/Makefile +++ b/fs/btrfs/Makefile @@ -1,25 +1,10 @@ -ifneq ($(KERNELRELEASE),) -# kbuild part of makefile obj-$(CONFIG_BTRFS_FS) := btrfs.o -btrfs-y := super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \ + +btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \ file-item.o inode-item.o inode-map.o disk-io.o \ transaction.o inode.o file.o tree-defrag.o \ extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \ extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \ ref-cache.o export.o tree-log.o acl.o free-space-cache.o zlib.o \ compression.o delayed-ref.o -else - -# Normal Makefile - -KERNELDIR := /lib/modules/`uname -r`/build -all: - $(MAKE) -C $(KERNELDIR) M=`pwd` CONFIG_BTRFS_FS=m modules - -modules_install: - $(MAKE) -C $(KERNELDIR) M=`pwd` modules_install -clean: - $(MAKE) -C $(KERNELDIR) M=`pwd` clean - -endif From 0d4bf11e5309eff64272a49e1ea55658372abc56 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 13 Apr 2009 15:33:56 +0200 Subject: [PATCH 095/478] Btrfs: don't export symbols Currently the extent_map code is only for btrfs so don't export it's symbols. Signed-off-by: Christoph Hellwig Signed-off-by: Chris Mason --- fs/btrfs/extent_map.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index b187917b36fa..9827fa1de4e1 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -43,7 +43,6 @@ void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask) tree->map.rb_node = NULL; spin_lock_init(&tree->lock); } -EXPORT_SYMBOL(extent_map_tree_init); /** * alloc_extent_map - allocate new extent map structure @@ -64,7 +63,6 @@ struct extent_map *alloc_extent_map(gfp_t mask) atomic_set(&em->refs, 1); return em; } -EXPORT_SYMBOL(alloc_extent_map); /** * free_extent_map - drop reference count of an extent_map @@ -83,7 +81,6 @@ void free_extent_map(struct extent_map *em) kmem_cache_free(extent_map_cache, em); } } -EXPORT_SYMBOL(free_extent_map); static struct rb_node *tree_insert(struct rb_root *root, u64 offset, struct rb_node *node) @@ -264,7 +261,6 @@ int add_extent_mapping(struct extent_map_tree *tree, out: return ret; } -EXPORT_SYMBOL(add_extent_mapping); /* simple helper to do math around the end of an extent, handling wrap */ static u64 range_end(u64 start, u64 len) @@ -326,7 +322,6 @@ found: out: return em; } -EXPORT_SYMBOL(lookup_extent_mapping); /** * remove_extent_mapping - removes an extent_map from the extent tree @@ -346,4 +341,3 @@ int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em) em->in_tree = 0; return ret; } -EXPORT_SYMBOL(remove_extent_mapping); From 9601e3f6336f6ca66929f451b1f66085e68e36e3 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 13 Apr 2009 15:33:09 +0200 Subject: [PATCH 096/478] Btrfs: kill btrfs_cache_create Just use kmem_cache_create directly. Signed-off-by: Christoph Hellwig Signed-off-by: Chris Mason --- fs/btrfs/extent_io.c | 18 ++++++------------ fs/btrfs/extent_map.c | 11 +++-------- fs/btrfs/inode.c | 42 +++++++++++++++++++----------------------- 3 files changed, 28 insertions(+), 43 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 05a1c42e25bf..c33b54029d78 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -17,12 +17,6 @@ #include "ctree.h" #include "btrfs_inode.h" -/* temporary define until extent_map moves out of btrfs */ -struct kmem_cache *btrfs_cache_create(const char *name, size_t size, - unsigned long extra_flags, - void (*ctor)(void *, struct kmem_cache *, - unsigned long)); - static struct kmem_cache *extent_state_cache; static struct kmem_cache *extent_buffer_cache; @@ -58,15 +52,15 @@ struct extent_page_data { int __init extent_io_init(void) { - extent_state_cache = btrfs_cache_create("extent_state", - sizeof(struct extent_state), 0, - NULL); + extent_state_cache = kmem_cache_create("extent_state", + sizeof(struct extent_state), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); if (!extent_state_cache) return -ENOMEM; - extent_buffer_cache = btrfs_cache_create("extent_buffers", - sizeof(struct extent_buffer), 0, - NULL); + extent_buffer_cache = kmem_cache_create("extent_buffers", + sizeof(struct extent_buffer), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); if (!extent_buffer_cache) goto free_state_cache; return 0; diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 9827fa1de4e1..30c9365861e6 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -6,19 +6,14 @@ #include #include "extent_map.h" -/* temporary define until extent_map moves out of btrfs */ -struct kmem_cache *btrfs_cache_create(const char *name, size_t size, - unsigned long extra_flags, - void (*ctor)(void *, struct kmem_cache *, - unsigned long)); static struct kmem_cache *extent_map_cache; int __init extent_map_init(void) { - extent_map_cache = btrfs_cache_create("extent_map", - sizeof(struct extent_map), 0, - NULL); + extent_map_cache = kmem_cache_create("extent_map", + sizeof(struct extent_map), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); if (!extent_map_cache) return -ENOMEM; return 0; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 65219f6a16a1..176b6cc28b1e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4640,39 +4640,35 @@ void btrfs_destroy_cachep(void) kmem_cache_destroy(btrfs_path_cachep); } -struct kmem_cache *btrfs_cache_create(const char *name, size_t size, - unsigned long extra_flags, - void (*ctor)(void *)) -{ - return kmem_cache_create(name, size, 0, (SLAB_RECLAIM_ACCOUNT | - SLAB_MEM_SPREAD | extra_flags), ctor); -} - int btrfs_init_cachep(void) { - btrfs_inode_cachep = btrfs_cache_create("btrfs_inode_cache", - sizeof(struct btrfs_inode), - 0, init_once); + btrfs_inode_cachep = kmem_cache_create("btrfs_inode_cache", + sizeof(struct btrfs_inode), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, init_once); if (!btrfs_inode_cachep) goto fail; - btrfs_trans_handle_cachep = - btrfs_cache_create("btrfs_trans_handle_cache", - sizeof(struct btrfs_trans_handle), - 0, NULL); + + btrfs_trans_handle_cachep = kmem_cache_create("btrfs_trans_handle_cache", + sizeof(struct btrfs_trans_handle), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); if (!btrfs_trans_handle_cachep) goto fail; - btrfs_transaction_cachep = btrfs_cache_create("btrfs_transaction_cache", - sizeof(struct btrfs_transaction), - 0, NULL); + + btrfs_transaction_cachep = kmem_cache_create("btrfs_transaction_cache", + sizeof(struct btrfs_transaction), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); if (!btrfs_transaction_cachep) goto fail; - btrfs_path_cachep = btrfs_cache_create("btrfs_path_cache", - sizeof(struct btrfs_path), - 0, NULL); + + btrfs_path_cachep = kmem_cache_create("btrfs_path_cache", + sizeof(struct btrfs_path), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); if (!btrfs_path_cachep) goto fail; - btrfs_bit_radix_cachep = btrfs_cache_create("btrfs_radix", 256, - SLAB_DESTROY_BY_RCU, NULL); + + btrfs_bit_radix_cachep = kmem_cache_create("btrfs_radix", 256, 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD | + SLAB_DESTROY_BY_RCU, NULL); if (!btrfs_bit_radix_cachep) goto fail; return 0; From e980b50cda1610f1c17978d9b7fd311a9dd93877 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Fri, 24 Apr 2009 14:39:24 -0400 Subject: [PATCH 097/478] Btrfs: fix fallocate deadlock on inode extent lock The btrfs fallocate call takes an extent lock on the entire range being fallocated, and then runs through insert_reserved_extent on each extent as they are allocated. The problem with this is that btrfs_drop_extents may decide to try and take the same extent lock fallocate was already holding. The solution used here is to push down knowledge of the range that is already locked going into btrfs_drop_extents. It turns out that at least one other caller had the same bug. Signed-off-by: Chris Mason --- fs/btrfs/ctree.h | 3 ++- fs/btrfs/file.c | 11 ++++++----- fs/btrfs/inode.c | 27 ++++++++++++++++++--------- fs/btrfs/ioctl.c | 3 ++- fs/btrfs/tree-log.c | 2 +- 5 files changed, 29 insertions(+), 17 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 213535f45da2..4414a5d9983a 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2177,7 +2177,8 @@ int btrfs_check_file(struct btrfs_root *root, struct inode *inode); extern struct file_operations btrfs_file_operations; int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, - u64 start, u64 end, u64 inline_limit, u64 *hint_block); + u64 start, u64 end, u64 locked_end, + u64 inline_limit, u64 *hint_block); int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, u64 start, u64 end); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 482f8db2cfd0..da3ed965c956 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -363,15 +363,16 @@ out: */ noinline int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, - u64 start, u64 end, u64 inline_limit, u64 *hint_byte) + u64 start, u64 end, u64 locked_end, + u64 inline_limit, u64 *hint_byte) { u64 extent_end = 0; - u64 locked_end = end; u64 search_start = start; u64 leaf_start; u64 ram_bytes = 0; u64 orig_parent = 0; u64 disk_bytenr = 0; + u64 orig_locked_end = locked_end; u8 compression; u8 encryption; u16 other_encoding = 0; @@ -684,9 +685,9 @@ next_slot: } out: btrfs_free_path(path); - if (locked_end > end) { - unlock_extent(&BTRFS_I(inode)->io_tree, end, locked_end - 1, - GFP_NOFS); + if (locked_end > orig_locked_end) { + unlock_extent(&BTRFS_I(inode)->io_tree, orig_locked_end, + locked_end - 1, GFP_NOFS); } btrfs_check_file(root, inode); return ret; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 176b6cc28b1e..2fdb2995be64 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -234,7 +234,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans, } ret = btrfs_drop_extents(trans, root, inode, start, - aligned_end, start, &hint_byte); + aligned_end, aligned_end, start, &hint_byte); BUG_ON(ret); if (isize > actual_end) @@ -1439,6 +1439,7 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, struct inode *inode, u64 file_pos, u64 disk_bytenr, u64 disk_num_bytes, u64 num_bytes, u64 ram_bytes, + u64 locked_end, u8 compression, u8 encryption, u16 other_encoding, int extent_type) { @@ -1455,7 +1456,8 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, path->leave_spinning = 1; ret = btrfs_drop_extents(trans, root, inode, file_pos, - file_pos + num_bytes, file_pos, &hint); + file_pos + num_bytes, locked_end, + file_pos, &hint); BUG_ON(ret); ins.objectid = inode->i_ino; @@ -1590,6 +1592,8 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end) ordered_extent->disk_len, ordered_extent->len, ordered_extent->len, + ordered_extent->file_offset + + ordered_extent->len, compressed, 0, 0, BTRFS_FILE_EXTENT_REG); BUG_ON(ret); @@ -2877,6 +2881,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t size) err = btrfs_drop_extents(trans, root, inode, cur_offset, cur_offset + hole_size, + block_end, cur_offset, &hint_byte); if (err) break; @@ -4968,7 +4973,7 @@ out_fail: static int prealloc_file_range(struct btrfs_trans_handle *trans, struct inode *inode, u64 start, u64 end, - u64 alloc_hint, int mode) + u64 locked_end, u64 alloc_hint, int mode) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_key ins; @@ -4989,7 +4994,8 @@ static int prealloc_file_range(struct btrfs_trans_handle *trans, ret = insert_reserved_file_extent(trans, inode, cur_offset, ins.objectid, ins.offset, ins.offset, - ins.offset, 0, 0, 0, + ins.offset, locked_end, + 0, 0, 0, BTRFS_FILE_EXTENT_PREALLOC); BUG_ON(ret); num_bytes -= ins.offset; @@ -5018,6 +5024,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, u64 alloc_start; u64 alloc_end; u64 alloc_hint = 0; + u64 locked_end; u64 mask = BTRFS_I(inode)->root->sectorsize - 1; struct extent_map *em; struct btrfs_trans_handle *trans; @@ -5039,6 +5046,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, goto out; } + locked_end = alloc_end - 1; while (1) { struct btrfs_ordered_extent *ordered; @@ -5051,8 +5059,8 @@ static long btrfs_fallocate(struct inode *inode, int mode, /* the extent lock is ordered inside the running * transaction */ - lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, - alloc_end - 1, GFP_NOFS); + lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end, + GFP_NOFS); ordered = btrfs_lookup_first_ordered_extent(inode, alloc_end - 1); if (ordered && @@ -5060,7 +5068,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, ordered->file_offset < alloc_end) { btrfs_put_ordered_extent(ordered); unlock_extent(&BTRFS_I(inode)->io_tree, - alloc_start, alloc_end - 1, GFP_NOFS); + alloc_start, locked_end, GFP_NOFS); btrfs_end_transaction(trans, BTRFS_I(inode)->root); /* @@ -5085,7 +5093,8 @@ static long btrfs_fallocate(struct inode *inode, int mode, last_byte = (last_byte + mask) & ~mask; if (em->block_start == EXTENT_MAP_HOLE) { ret = prealloc_file_range(trans, inode, cur_offset, - last_byte, alloc_hint, mode); + last_byte, locked_end + 1, + alloc_hint, mode); if (ret < 0) { free_extent_map(em); break; @@ -5101,7 +5110,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, break; } } - unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, alloc_end - 1, + unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end, GFP_NOFS); btrfs_end_transaction(trans, BTRFS_I(inode)->root); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7594bec1be10..f4e5d2e5ece6 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -830,7 +830,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, BUG_ON(!trans); /* punch hole in destination first */ - btrfs_drop_extents(trans, root, inode, off, off+len, 0, &hint_byte); + btrfs_drop_extents(trans, root, inode, off, off + len, + off + len, 0, &hint_byte); /* clone data */ key.objectid = src->i_ino; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 25f20ea11f27..db5e212e8445 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -536,7 +536,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans, saved_nbytes = inode_get_bytes(inode); /* drop any overlapping extents */ ret = btrfs_drop_extents(trans, root, inode, - start, extent_end, start, &alloc_hint); + start, extent_end, extent_end, start, &alloc_hint); BUG_ON(ret); if (found_type == BTRFS_FILE_EXTENT_REG || From 59bc5c758ece00fb0b2a170dd8fbbf31f1856c8a Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Fri, 24 Apr 2009 14:39:25 -0400 Subject: [PATCH 098/478] Btrfs: fix deadlocks and stalls on dead root removal After a transaction commit, the old root of the subvol btrees are sent through snapshot removal. This is what actually frees up any blocks replaced by COW, and anything the old blocks pointed to. Snapshot deletion will pause when a transaction commit has started, which helps to avoid a huge amount of delayed reference count updates piling up as the transaction is trying to close. But, this pause happens after the snapshot deletion process has asked other procs on the system to throttle back a bit so that it can make progress. We don't want to throttle everyone while we're waiting for the transaction commit, it leads to deadlocks in the user transaction ioctls used by Ceph and makes things slower in general. This patch changes things to avoid the throttling while we sleep. Signed-off-by: Chris Mason --- fs/btrfs/transaction.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 2869b3361eb6..01b143605ec1 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -687,7 +687,13 @@ static noinline int wait_transaction_pre_flush(struct btrfs_fs_info *info) prepare_to_wait(&info->transaction_wait, &wait, TASK_UNINTERRUPTIBLE); mutex_unlock(&info->trans_mutex); + + atomic_dec(&info->throttles); + wake_up(&info->transaction_throttle); + schedule(); + + atomic_inc(&info->throttles); mutex_lock(&info->trans_mutex); finish_wait(&info->transaction_wait, &wait); } From 6b9ff696ba1176b6fca78d01fc590dd4335c8743 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 24 Apr 2009 12:01:47 -0700 Subject: [PATCH 099/478] Input: lifebook - add DMI entry for Fujitsu B-2130 Although we already have entry for ZEPHYR the match is done on product name whereas B-2130 BIOS has it in board name. Reported-by: Yuriy Zhuravlev Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/lifebook.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index df81b0aaa9f8..15ac3205ac05 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -60,6 +60,12 @@ static const struct dmi_system_id lifebook_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"), }, }, + { + .ident = "Lifebook B-2130", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"), + }, + }, { .ident = "Lifebook B213x/B2150", .matches = { From adc667e84f086aa110d810f3476c494e48eaabaa Mon Sep 17 00:00:00 2001 From: Jay Vosburgh Date: Sat, 25 Apr 2009 18:03:35 -0700 Subject: [PATCH 100/478] vlan: update vlan carrier state for admin up/down Currently, the VLAN event handler does not adjust the VLAN device's carrier state when the real device or the VLAN device is set administratively up or down. The following patch adds a transfer of operating state from the real device to the VLAN device when the real device is administratively set up or down, and sets the carrier state up or down during init, open and close of the VLAN device. This permits observers above the VLAN device that care about the carrier state (bonding's link monitor, for example) to receive updates for administrative changes by more closely mimicing the behavior of real devices. Signed-off-by: Jay Vosburgh Signed-off-by: Patrick McHardy --- net/8021q/vlan.c | 2 ++ net/8021q/vlan_dev.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 2b7390e377b3..d1e10546eb85 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -492,6 +492,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, continue; dev_change_flags(vlandev, flgs & ~IFF_UP); + vlan_transfer_operstate(dev, vlandev); } break; @@ -507,6 +508,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, continue; dev_change_flags(vlandev, flgs | IFF_UP); + vlan_transfer_operstate(dev, vlandev); } break; diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 6b0921364014..b4b9068e55a7 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -462,6 +462,7 @@ static int vlan_dev_open(struct net_device *dev) if (vlan->flags & VLAN_FLAG_GVRP) vlan_gvrp_request_join(dev); + netif_carrier_on(dev); return 0; clear_allmulti: @@ -471,6 +472,7 @@ del_unicast: if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN); out: + netif_carrier_off(dev); return err; } @@ -492,6 +494,7 @@ static int vlan_dev_stop(struct net_device *dev) if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) dev_unicast_delete(real_dev, dev->dev_addr, dev->addr_len); + netif_carrier_off(dev); return 0; } @@ -612,6 +615,8 @@ static int vlan_dev_init(struct net_device *dev) struct net_device *real_dev = vlan_dev_info(dev)->real_dev; int subclass = 0; + netif_carrier_off(dev); + /* IFF_BROADCAST|IFF_MULTICAST; ??? */ dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI); dev->iflink = real_dev->ifindex; From 5876ee950f28612814cc4e01c5549718f8b79dce Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 26 Apr 2009 13:56:01 +0100 Subject: [PATCH 101/478] [ARM] lart: fix build error arch/arm/mach-sa1100/lart.c:36: error: 'PAGE_SHIFT' undeclared here (not in a function) Signed-off-by: Russell King --- arch/arm/mach-sa1100/lart.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c index 0cd52692d2f7..1f940df0e5af 100644 --- a/arch/arm/mach-sa1100/lart.c +++ b/arch/arm/mach-sa1100/lart.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include From 992d7ced75322307035a0e94074eb7188612a680 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Fri, 24 Apr 2009 23:10:06 +0800 Subject: [PATCH 102/478] locking: Documentation: lockdep-design.txt, fix note of state bits From source code of get_usage_char(), the previous note is not correct, so fix it. static char get_usage_char(struct lock_class *class, enum lock_usage_bit bit) { char c = '.'; if (class->usage_mask & lock_flag(bit + 2))/*LOCK_ENABLED_##STATE*/ c = '+'; if (class->usage_mask & lock_flag(bit)) {/*LOCK_USED_IN_##STATE*/ c = '-'; if (class->usage_mask & lock_flag(bit + 2)) c = '?'; } return c; } note: 1) The 'bit' parameter always is passed as LOCK_USED_IN_##STATE or LOCK_USED_IN_##STATE_READ , from get_usage_chars(). Signed-off-by: Ming Lei LKML-Reference: <1240585806-5744-1-git-send-email-tom.leiming@gmail.com> Signed-off-by: Ingo Molnar --- Documentation/lockdep-design.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/lockdep-design.txt b/Documentation/lockdep-design.txt index 938ea22f2cc0..e20d913d5914 100644 --- a/Documentation/lockdep-design.txt +++ b/Documentation/lockdep-design.txt @@ -54,9 +54,9 @@ locking error messages, inside curlies. A contrived example: The bit position indicates STATE, STATE-read, for each of the states listed above, and the character displayed in each indicates: - '.' acquired while irqs disabled - '+' acquired in irq context - '-' acquired with irqs enabled + '.' acquired while irqs disabled and not in irq context + '-' acquired in irq context + '+' acquired with irqs enabled '?' acquired in irq context with irqs enabled. Unused mutexes cannot be part of the cause of an error. From 314eeac9e35d8b934dd7a09ed3a8e00d41977b84 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 24 Apr 2009 14:35:57 +0200 Subject: [PATCH 103/478] dma-debug: remove broken dma memory leak detection for 2.6.30 The feature needs some more work because the notfier which is used to check for pending allocations is called before the device drivers ->remove() function. Therefore this feature reports false positives. A real fix for this issue is to introduce a new notifier event which sent _after_ the driver has deinitialized itself. That will done for the next kernel version. [ Impact: reduce the scope of CONFIG_DMA_API_DEBUG=y checks ] Signed-off-by: Joerg Roedel Cc: iommu@lists.linux-foundation.org LKML-Reference: <1240576557-22442-1-git-send-email-joerg.roedel@amd.com> Signed-off-by: Ingo Molnar --- lib/dma-debug.c | 53 +------------------------------------------------ 1 file changed, 1 insertion(+), 52 deletions(-) diff --git a/lib/dma-debug.c b/lib/dma-debug.c index d3da7edc034f..69da09a085a1 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -400,60 +400,9 @@ out_err: return -ENOMEM; } -static int device_dma_allocations(struct device *dev) -{ - struct dma_debug_entry *entry; - unsigned long flags; - int count = 0, i; - - for (i = 0; i < HASH_SIZE; ++i) { - spin_lock_irqsave(&dma_entry_hash[i].lock, flags); - list_for_each_entry(entry, &dma_entry_hash[i].list, list) { - if (entry->dev == dev) - count += 1; - } - spin_unlock_irqrestore(&dma_entry_hash[i].lock, flags); - } - - return count; -} - -static int dma_debug_device_change(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct device *dev = data; - int count; - - - switch (action) { - case BUS_NOTIFY_UNBIND_DRIVER: - count = device_dma_allocations(dev); - if (count == 0) - break; - err_printk(dev, NULL, "DMA-API: device driver has pending " - "DMA allocations while released from device " - "[count=%d]\n", count); - break; - default: - break; - } - - return 0; -} - void dma_debug_add_bus(struct bus_type *bus) { - struct notifier_block *nb; - - nb = kzalloc(sizeof(struct notifier_block), GFP_KERNEL); - if (nb == NULL) { - printk(KERN_ERR "dma_debug_add_bus: out of memory\n"); - return; - } - - nb->notifier_call = dma_debug_device_change; - - bus_register_notifier(bus, nb); + /* FIXME: register notifier */ } /* From a8f6faebaf5b3f0f56b7c12a4f99d97c56938b37 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Tue, 21 Apr 2009 14:39:07 +0800 Subject: [PATCH 104/478] [ARM] pxa: fix issue of muxed GPIO irq_chip functions touching non-muxed GPIOs pxa_gpio_irq_type() and pxa_unmask_muxed_gpio() will touch non-muxed GPIOs (0 and 1 on PXA2xx/PXA3xx) bits in GRERx and GFERx, which is incorrect. Actually, only those bits should get updated if the corresponding bits are set in c->irq_mask as well. Fix this by updating only those relevant bits. Reported-and-tested-by: Daniel Ribeiro Signed-off-by: Eric Miao --- arch/arm/plat-pxa/gpio.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/arch/arm/plat-pxa/gpio.c b/arch/arm/plat-pxa/gpio.c index af819bf21b63..abc79d44acaa 100644 --- a/arch/arm/plat-pxa/gpio.c +++ b/arch/arm/plat-pxa/gpio.c @@ -121,6 +121,8 @@ static int __init pxa_init_gpio_chip(int gpio_end) return -ENOMEM; } + memset(chips, 0, nbanks * sizeof(struct pxa_gpio_chip)); + for (i = 0, gpio = 0; i < nbanks; i++, gpio += 32) { struct gpio_chip *c = &chips[i].chip; @@ -143,6 +145,21 @@ static int __init pxa_init_gpio_chip(int gpio_end) return 0; } +/* Update only those GRERx and GFERx edge detection register bits if those + * bits are set in c->irq_mask + */ +static inline void update_edge_detect(struct pxa_gpio_chip *c) +{ + uint32_t grer, gfer; + + grer = __raw_readl(c->regbase + GRER_OFFSET) & ~c->irq_mask; + gfer = __raw_readl(c->regbase + GFER_OFFSET) & ~c->irq_mask; + grer |= c->irq_edge_rise & c->irq_mask; + gfer |= c->irq_edge_fall & c->irq_mask; + __raw_writel(grer, c->regbase + GRER_OFFSET); + __raw_writel(gfer, c->regbase + GFER_OFFSET); +} + static int pxa_gpio_irq_type(unsigned int irq, unsigned int type) { struct pxa_gpio_chip *c; @@ -181,8 +198,7 @@ static int pxa_gpio_irq_type(unsigned int irq, unsigned int type) else c->irq_edge_fall &= ~mask; - __raw_writel(c->irq_edge_rise & c->irq_mask, c->regbase + GRER_OFFSET); - __raw_writel(c->irq_edge_fall & c->irq_mask, c->regbase + GFER_OFFSET); + update_edge_detect(c); pr_debug("%s: IRQ%d (GPIO%d) - edge%s%s\n", __func__, irq, gpio, ((type & IRQ_TYPE_EDGE_RISING) ? " rising" : ""), @@ -244,8 +260,7 @@ static void pxa_unmask_muxed_gpio(unsigned int irq) struct pxa_gpio_chip *c = gpio_to_chip(gpio); c->irq_mask |= GPIO_bit(gpio); - __raw_writel(c->irq_edge_rise & c->irq_mask, c->regbase + GRER_OFFSET); - __raw_writel(c->irq_edge_fall & c->irq_mask, c->regbase + GFER_OFFSET); + update_edge_detect(c); } static struct irq_chip pxa_muxed_gpio_chip = { From fd87e081723089cba99df0b3d6f36ae2235c700a Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Thu, 16 Apr 2009 11:23:08 +0200 Subject: [PATCH 105/478] [ARM] pxa: remove duplicate select statements from Kconfig ARCH_PXA selects HAVE_CLK and COMMON_CLKDEV twice in arch/arm/Kconfig. Remove the second entry. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Eric Miao --- arch/arm/Kconfig | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e02b893fb909..9909a93ec7fd 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -486,8 +486,6 @@ config ARCH_PXA select HAVE_CLK select COMMON_CLKDEV select ARCH_REQUIRE_GPIOLIB - select HAVE_CLK - select COMMON_CLKDEV select GENERIC_TIME select GENERIC_CLOCKEVENTS select TICK_ONESHOT From 36b5437f33fb95196bef2345dede39fdcab3e431 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Fri, 17 Apr 2009 11:37:10 +0200 Subject: [PATCH 106/478] [ARM] pxa: remove unused CPU_FREQ_PXA Kconfig symbol cpufreq drivers for pxa2xx/3xx are now built-in automatically as soon as CPU_FREQ is enabled. Signed-off-by: Philipp Zabel Signed-off-by: Eric Miao --- arch/arm/Kconfig | 6 ------ arch/arm/configs/viper_defconfig | 1 - 2 files changed, 7 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9909a93ec7fd..fb667cd43f70 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1169,12 +1169,6 @@ config CPU_FREQ_IMX If in doubt, say N. -config CPU_FREQ_PXA - bool - depends on CPU_FREQ && ARCH_PXA && PXA25x - default y - select CPU_FREQ_DEFAULT_GOV_USERSPACE - endif source "drivers/cpuidle/Kconfig" diff --git a/arch/arm/configs/viper_defconfig b/arch/arm/configs/viper_defconfig index 30f463d2fa8a..6ab5dd5868de 100644 --- a/arch/arm/configs/viper_defconfig +++ b/arch/arm/configs/viper_defconfig @@ -298,7 +298,6 @@ CONFIG_CPU_FREQ_GOV_POWERSAVE=m CONFIG_CPU_FREQ_GOV_USERSPACE=m CONFIG_CPU_FREQ_GOV_ONDEMAND=m CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m -CONFIG_CPU_FREQ_PXA=y # # Floating point emulation From 3e36c0deea118e277f4ff9fa947bcde5f88426ca Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Fri, 6 Feb 2009 16:49:23 +0800 Subject: [PATCH 107/478] [ARM] pxa: make ads7846 on corgi and spitz to sync on HSYNC Signed-off-by: Eric Miao --- arch/arm/mach-pxa/corgi.c | 10 ++++++++++ arch/arm/mach-pxa/spitz.c | 10 ++++++++++ 2 files changed, 20 insertions(+) diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index cdf21dd135b4..930e364ccde9 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -427,12 +427,22 @@ static struct pxa2xx_spi_master corgi_spi_info = { .num_chipselect = 3, }; +static void corgi_wait_for_hsync(void) +{ + while (gpio_get_value(CORGI_GPIO_HSYNC)) + cpu_relax(); + + while (!gpio_get_value(CORGI_GPIO_HSYNC)) + cpu_relax(); +} + static struct ads7846_platform_data corgi_ads7846_info = { .model = 7846, .vref_delay_usecs = 100, .x_plate_ohms = 419, .y_plate_ohms = 486, .gpio_pendown = CORGI_GPIO_TP_INT, + .wait_for_sync = corgi_wait_for_hsync, }; static void corgi_ads7846_cs(u32 command) diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 8c61ddac119e..c18e34acafcb 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -299,12 +299,22 @@ static struct pxa2xx_spi_master spitz_spi_info = { .num_chipselect = 3, }; +static void spitz_wait_for_hsync(void) +{ + while (gpio_get_value(SPITZ_GPIO_HSYNC)) + cpu_relax(); + + while (!gpio_get_value(SPITZ_GPIO_HSYNC)) + cpu_relax(); +} + static struct ads7846_platform_data spitz_ads7846_info = { .model = 7846, .vref_delay_usecs = 100, .x_plate_ohms = 419, .y_plate_ohms = 486, .gpio_pendown = SPITZ_GPIO_TP_INT, + .wait_for_sync = spitz_wait_for_hsync, }; static void spitz_ads7846_cs(u32 command) From 15fbc938576175eeb53798221f045d4ace52e5dc Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 22 Apr 2009 18:34:36 +0800 Subject: [PATCH 108/478] [ARM] pxa/zylonite: fix the issue of unused SDATA_IN_1 pin get AC97 not working GPIO17_SDATA_IN_1 and GPIO36_SDATA_IN_1 are originally designed for the 2nd codec but unused on the board, yet they are initialized incorrectly by the bootloader as the SDATA_IN_1 alternate function, thus causing AC97 fail to work. Fix this issue by configuring these pins as normal GPIO to avoid the noise from these pins being treated as signals from the 2nd codec. Signed-off-by: Eric Miao --- arch/arm/mach-pxa/zylonite_pxa300.c | 1 + arch/arm/mach-pxa/zylonite_pxa320.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index c1f73205d078..e99555b76a08 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -72,6 +72,7 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = { GPIO25_AC97_SDATA_IN_0, GPIO27_AC97_SDATA_OUT, GPIO28_AC97_SYNC, + GPIO17_GPIO, /* SDATA_IN_1 but unused - configure to GPIO */ /* SSP3 */ GPIO91_SSP3_SCLK, diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c index 4e1c488c6906..cc5a22833605 100644 --- a/arch/arm/mach-pxa/zylonite_pxa320.c +++ b/arch/arm/mach-pxa/zylonite_pxa320.c @@ -68,6 +68,7 @@ static mfp_cfg_t mfp_cfg[] __initdata = { GPIO38_AC97_SYNC, GPIO39_AC97_BITCLK, GPIO40_AC97_nACRESET, + GPIO36_GPIO, /* SDATA_IN_1 but unused - configure to GPIO */ /* SSP3 */ GPIO89_SSP3_SCLK, From b49e385fc7cb4e6ed4206dfdab2b2579c5076120 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 22 Apr 2009 18:38:40 +0800 Subject: [PATCH 109/478] [ARM] pxa/zylonite: configure GPIO18/19 correctly, used by 2 GPIO expanders Signed-off-by: Eric Miao --- arch/arm/mach-pxa/zylonite_pxa300.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index e99555b76a08..c256c57642c0 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -127,6 +127,10 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = { /* Standard I2C */ GPIO21_I2C_SCL, GPIO22_I2C_SDA, + + /* GPIO */ + GPIO18_GPIO, /* GPIO Expander #0 INT_N */ + GPIO19_GPIO, /* GPIO Expander #1 INT_N */ }; static mfp_cfg_t pxa300_mfp_cfg[] __initdata = { From fc76132b1e72efe45b5a5a693caadd54c3037f55 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Mon, 13 Apr 2009 11:06:49 +0800 Subject: [PATCH 110/478] [ARM] pxa/littleton: add missing da9034 touchscreen support Signed-off-by: Eric Miao --- arch/arm/mach-pxa/littleton.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c index e13f6a81c223..c872b9feb4d4 100644 --- a/arch/arm/mach-pxa/littleton.c +++ b/arch/arm/mach-pxa/littleton.c @@ -334,6 +334,11 @@ static struct led_info littleton_da9034_leds[] = { }, }; +static struct da9034_touch_pdata littleton_da9034_touch = { + .x_inverted = 1, + .interval_ms = 20, +}; + static struct da903x_subdev_info littleton_da9034_subdevs[] = { { .name = "da903x-led", @@ -350,6 +355,10 @@ static struct da903x_subdev_info littleton_da9034_subdevs[] = { }, { .name = "da903x-backlight", .id = DA9034_ID_WLED, + }, { + .name = "da9034-touch", + .id = DA9034_ID_TOUCH, + .platform_data = &littleton_da9034_touch, }, }; From a4233304bb43f87f97fc2ac9143b513814dcf094 Mon Sep 17 00:00:00 2001 From: Yevgeny Petrilin Date: Sun, 26 Apr 2009 20:41:34 +0000 Subject: [PATCH 111/478] mlx4_en: Fix cleanup flow on cq activation In case of mlx4_en_activate_cq() failure, the cleanup code would go to rx_err and try to disable unactivated rings. Signed-off-by: Yevgeny Petrilin Signed-off-by: David S. Miller --- drivers/net/mlx4/en_netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c index 438678ab2a10..7bcc49de1637 100644 --- a/drivers/net/mlx4/en_netdev.c +++ b/drivers/net/mlx4/en_netdev.c @@ -583,7 +583,7 @@ int mlx4_en_start_port(struct net_device *dev) err = mlx4_en_activate_cq(priv, cq); if (err) { mlx4_err(mdev, "Failed activating Rx CQ\n"); - goto rx_err; + goto cq_err; } for (j = 0; j < cq->size; j++) cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK; From 785a0982eaaeae2fbe3372d1c9c769e8156a7a5a Mon Sep 17 00:00:00 2001 From: Yevgeny Petrilin Date: Sun, 26 Apr 2009 20:42:57 +0000 Subject: [PATCH 112/478] mlx4_en: Handle page allocation failure during receive If we failed to allocate new fragments for receive buffer, the packet should be dropped and packets should be reused. Signed-off-by: Yevgeny Petrilin Signed-off-by: David S. Miller --- drivers/net/mlx4/en_rx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c index 0cbb78ca7b29..7942c4d3cd88 100644 --- a/drivers/net/mlx4/en_rx.c +++ b/drivers/net/mlx4/en_rx.c @@ -610,6 +610,10 @@ static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv, used_frags = mlx4_en_complete_rx_desc(priv, rx_desc, skb_frags, skb_shinfo(skb)->frags, page_alloc, length); + if (unlikely(!used_frags)) { + kfree_skb(skb); + return NULL; + } skb_shinfo(skb)->nr_frags = used_frags; /* Copy headers into the skb linear buffer */ From c759a6b4e1cae6aff71f58c9c85404ebcd81b6e0 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 27 Apr 2009 02:36:20 -0700 Subject: [PATCH 113/478] net: Fix LL_MAX_HEADER for CONFIG_TR_MODULE Unless I miss anything this should fix a bug. Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- include/linux/netdevice.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 2e7783f4a755..453be9a674c0 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -104,7 +104,7 @@ struct wireless_dev; # else # define LL_MAX_HEADER 96 # endif -#elif defined(CONFIG_TR) +#elif defined(CONFIG_TR) || defined(CONFIG_TR_MODULE) # define LL_MAX_HEADER 48 #else # define LL_MAX_HEADER 32 From 8f955d7f042e4ac44891a400d5000928f8db9f58 Mon Sep 17 00:00:00 2001 From: Ayaz Abdulla Date: Sat, 25 Apr 2009 09:17:56 +0000 Subject: [PATCH 114/478] forcedeth: tx timeout fix This patch fixes the tx_timeout() to properly handle the clean up of the tx ring. It also sets the tx put pointer back to the correct position to be in sync with HW. Signed-off-by: Ayaz Abdulla Signed-off-by: David S. Miller --- drivers/net/forcedeth.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 11d5db16ed9c..f9a846b1b92f 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -1880,6 +1880,7 @@ static void nv_init_tx(struct net_device *dev) np->tx_pkts_in_progress = 0; np->tx_change_owner = NULL; np->tx_end_flip = NULL; + np->tx_stop = 0; for (i = 0; i < np->tx_ring_size; i++) { if (!nv_optimized(np)) { @@ -2530,6 +2531,8 @@ static void nv_tx_timeout(struct net_device *dev) struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); u32 status; + union ring_type put_tx; + int saved_tx_limit; if (np->msi_flags & NV_MSI_X_ENABLED) status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; @@ -2589,24 +2592,32 @@ static void nv_tx_timeout(struct net_device *dev) /* 1) stop tx engine */ nv_stop_tx(dev); - /* 2) check that the packets were not sent already: */ + /* 2) complete any outstanding tx and do not give HW any limited tx pkts */ + saved_tx_limit = np->tx_limit; + np->tx_limit = 0; /* prevent giving HW any limited pkts */ + np->tx_stop = 0; /* prevent waking tx queue */ if (!nv_optimized(np)) nv_tx_done(dev, np->tx_ring_size); else nv_tx_done_optimized(dev, np->tx_ring_size); - /* 3) if there are dead entries: clear everything */ - if (np->get_tx_ctx != np->put_tx_ctx) { - printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name); - nv_drain_tx(dev); - nv_init_tx(dev); - setup_hw_rings(dev, NV_SETUP_TX_RING); - } + /* save current HW postion */ + if (np->tx_change_owner) + put_tx.ex = np->tx_change_owner->first_tx_desc; + else + put_tx = np->put_tx; - netif_wake_queue(dev); + /* 3) clear all tx state */ + nv_drain_tx(dev); + nv_init_tx(dev); - /* 4) restart tx engine */ + /* 4) restore state to current HW position */ + np->get_tx = np->put_tx = put_tx; + np->tx_limit = saved_tx_limit; + + /* 5) restart tx engine */ nv_start_tx(dev); + netif_wake_queue(dev); spin_unlock_irq(&np->lock); } From 6a783c9067e3f71aac61a9262fe42c1f68efd4fc Mon Sep 17 00:00:00 2001 From: Nicolas Dichtel Date: Mon, 27 Apr 2009 02:58:59 -0700 Subject: [PATCH 115/478] xfrm: wrong hash value for temporary SA When kernel inserts a temporary SA for IKE, it uses the wrong hash value for dst list. Two hash values were calcultated before: one with source address and one with a wildcard source address. Bug hinted by Junwei Zhang Signed-off-by: Nicolas Dichtel Signed-off-by: David S. Miller --- net/xfrm/xfrm_state.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 82271720d970..5f1f86565f16 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -794,7 +794,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, { static xfrm_address_t saddr_wildcard = { }; struct net *net = xp_net(pol); - unsigned int h; + unsigned int h, h_wildcard; struct hlist_node *entry; struct xfrm_state *x, *x0, *to_put; int acquire_in_progress = 0; @@ -819,8 +819,8 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, if (best) goto found; - h = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family); - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) { + h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family); + hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h_wildcard, bydst) { if (x->props.family == family && x->props.reqid == tmpl->reqid && !(x->props.flags & XFRM_STATE_WILDRECV) && From ae0e8e82205c903978a79ebf5e31c670b61fa5b4 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 27 Apr 2009 03:04:58 -0700 Subject: [PATCH 116/478] veth: prevent oops caused by netdev destructor From: Stephen Hemminger The veth driver will oops if sysfs hooks are open while module is removed. The net device destructor can not point to code in a module; basically there are only two possible safe values: NULL - no destructor, or free_netdev - free on last use Signed-off-by: David S. Miller --- drivers/net/veth.c | 41 ++++++++++++++++------------------------- 1 file changed, 16 insertions(+), 25 deletions(-) diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 015db1cece72..8e56fcf0a0e3 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -210,14 +210,11 @@ rx_drop: static struct net_device_stats *veth_get_stats(struct net_device *dev) { - struct veth_priv *priv; - struct net_device_stats *dev_stats; - int cpu; + struct veth_priv *priv = netdev_priv(dev); + struct net_device_stats *dev_stats = &dev->stats; + unsigned int cpu; struct veth_net_stats *stats; - priv = netdev_priv(dev); - dev_stats = &dev->stats; - dev_stats->rx_packets = 0; dev_stats->tx_packets = 0; dev_stats->rx_bytes = 0; @@ -225,16 +222,17 @@ static struct net_device_stats *veth_get_stats(struct net_device *dev) dev_stats->tx_dropped = 0; dev_stats->rx_dropped = 0; - for_each_online_cpu(cpu) { - stats = per_cpu_ptr(priv->stats, cpu); + if (priv->stats) + for_each_online_cpu(cpu) { + stats = per_cpu_ptr(priv->stats, cpu); - dev_stats->rx_packets += stats->rx_packets; - dev_stats->tx_packets += stats->tx_packets; - dev_stats->rx_bytes += stats->rx_bytes; - dev_stats->tx_bytes += stats->tx_bytes; - dev_stats->tx_dropped += stats->tx_dropped; - dev_stats->rx_dropped += stats->rx_dropped; - } + dev_stats->rx_packets += stats->rx_packets; + dev_stats->tx_packets += stats->tx_packets; + dev_stats->rx_bytes += stats->rx_bytes; + dev_stats->tx_bytes += stats->tx_bytes; + dev_stats->tx_dropped += stats->tx_dropped; + dev_stats->rx_dropped += stats->rx_dropped; + } return dev_stats; } @@ -261,6 +259,8 @@ static int veth_close(struct net_device *dev) netif_carrier_off(dev); netif_carrier_off(priv->peer); + free_percpu(priv->stats); + priv->stats = NULL; return 0; } @@ -291,15 +291,6 @@ static int veth_dev_init(struct net_device *dev) return 0; } -static void veth_dev_free(struct net_device *dev) -{ - struct veth_priv *priv; - - priv = netdev_priv(dev); - free_percpu(priv->stats); - free_netdev(dev); -} - static const struct net_device_ops veth_netdev_ops = { .ndo_init = veth_dev_init, .ndo_open = veth_open, @@ -317,7 +308,7 @@ static void veth_setup(struct net_device *dev) dev->netdev_ops = &veth_netdev_ops; dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; - dev->destructor = veth_dev_free; + dev->destructor = free_netdev; } /* From 495dce123ceabbae035552437fcaa0f69247ff08 Mon Sep 17 00:00:00 2001 From: "Waskiewicz Jr, Peter P" Date: Thu, 23 Apr 2009 11:15:18 +0000 Subject: [PATCH 117/478] ixgbe: Fix WoL functionality for 82599 KX4 devices The current code writes the PME enabled bit in PCI config space which is wrong. This was needed for pre-release hardware, and was not removed from the driver. Also, we need to clear the WUS (wake up status) after we resume. Otherwise we can't wake for the same event again since it's still asserted in the hardware. Plus, the multicast lists were being written improperly, causing multicast WoL to fail. Signed-off-by: Peter P Waskiewicz Jr Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ixgbe/ixgbe_common.c | 51 ++------------------------------ drivers/net/ixgbe/ixgbe_main.c | 10 +++---- 2 files changed, 6 insertions(+), 55 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c index 5567519676d5..186a65069b33 100644 --- a/drivers/net/ixgbe/ixgbe_common.c +++ b/drivers/net/ixgbe/ixgbe_common.c @@ -50,7 +50,6 @@ static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw); static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index); static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index); static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr); -static void ixgbe_add_mc_addr(struct ixgbe_hw *hw, u8 *mc_addr); static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq); /** @@ -1377,8 +1376,7 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list, * Clear accounting of old secondary address list, * don't count RAR[0] */ - uc_addr_in_use = hw->addr_ctrl.rar_used_count - - hw->addr_ctrl.mc_addr_in_rar_count - 1; + uc_addr_in_use = hw->addr_ctrl.rar_used_count - 1; hw->addr_ctrl.rar_used_count -= uc_addr_in_use; hw->addr_ctrl.overflow_promisc = 0; @@ -1492,40 +1490,6 @@ static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr) IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); } -/** - * ixgbe_add_mc_addr - Adds a multicast address. - * @hw: pointer to hardware structure - * @mc_addr: new multicast address - * - * Adds it to unused receive address register or to the multicast table. - **/ -static void ixgbe_add_mc_addr(struct ixgbe_hw *hw, u8 *mc_addr) -{ - u32 rar_entries = hw->mac.num_rar_entries; - u32 rar; - - hw_dbg(hw, " MC Addr =%.2X %.2X %.2X %.2X %.2X %.2X\n", - mc_addr[0], mc_addr[1], mc_addr[2], - mc_addr[3], mc_addr[4], mc_addr[5]); - - /* - * Place this multicast address in the RAR if there is room, - * else put it in the MTA - */ - if (hw->addr_ctrl.rar_used_count < rar_entries) { - /* use RAR from the end up for multicast */ - rar = rar_entries - hw->addr_ctrl.mc_addr_in_rar_count - 1; - hw->mac.ops.set_rar(hw, rar, mc_addr, 0, IXGBE_RAH_AV); - hw_dbg(hw, "Added a multicast address to RAR[%d]\n", rar); - hw->addr_ctrl.rar_used_count++; - hw->addr_ctrl.mc_addr_in_rar_count++; - } else { - ixgbe_set_mta(hw, mc_addr); - } - - hw_dbg(hw, "ixgbe_add_mc_addr Complete\n"); -} - /** * ixgbe_update_mc_addr_list_generic - Updates MAC list of multicast addresses * @hw: pointer to hardware structure @@ -1542,7 +1506,6 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list, u32 mc_addr_count, ixgbe_mc_addr_itr next) { u32 i; - u32 rar_entries = hw->mac.num_rar_entries; u32 vmdq; /* @@ -1550,18 +1513,8 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list, * use. */ hw->addr_ctrl.num_mc_addrs = mc_addr_count; - hw->addr_ctrl.rar_used_count -= hw->addr_ctrl.mc_addr_in_rar_count; - hw->addr_ctrl.mc_addr_in_rar_count = 0; hw->addr_ctrl.mta_in_use = 0; - /* Zero out the other receive addresses. */ - hw_dbg(hw, "Clearing RAR[%d-%d]\n", hw->addr_ctrl.rar_used_count, - rar_entries - 1); - for (i = hw->addr_ctrl.rar_used_count; i < rar_entries; i++) { - IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0); - } - /* Clear the MTA */ hw_dbg(hw, " Clearing MTA\n"); for (i = 0; i < hw->mac.mcft_size; i++) @@ -1570,7 +1523,7 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list, /* Add the new addresses */ for (i = 0; i < mc_addr_count; i++) { hw_dbg(hw, " Adding the multicast addresses:\n"); - ixgbe_add_mc_addr(hw, next(hw, &mc_addr_list, &vmdq)); + ixgbe_set_mta(hw, next(hw, &mc_addr_list, &vmdq)); } /* Enable mta */ diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 01884256f4c9..07e778d3e5d2 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -3646,6 +3646,8 @@ static int ixgbe_resume(struct pci_dev *pdev) ixgbe_reset(adapter); + IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0); + if (netif_running(netdev)) { err = ixgbe_open(adapter->netdev); if (err) @@ -4575,7 +4577,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data]; static int cards_found; int i, err, pci_using_dac; - u16 pm_value = 0; u32 part_num, eec; err = pci_enable_device(pdev); @@ -4763,11 +4764,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, switch (pdev->device) { case IXGBE_DEV_ID_82599_KX4: -#define IXGBE_PCIE_PMCSR 0x44 - adapter->wol = IXGBE_WUFC_MAG; - pci_read_config_word(pdev, IXGBE_PCIE_PMCSR, &pm_value); - pci_write_config_word(pdev, IXGBE_PCIE_PMCSR, - (pm_value | (1 << 8))); + adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX | + IXGBE_WUFC_MC | IXGBE_WUFC_BC); break; default: adapter->wol = 0; From a9b487fa1e00b42f9667abfeca4a5295a71333db Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Mon, 27 Apr 2009 12:18:05 +0200 Subject: [PATCH 118/478] ALSA: snd-usb-caiaq: fix reported elapsed periods Reset the internal period position counter upon stream startup. This fixes initial aplay underruns and problems related to latency picky applications such as pulseaudio. Bumped the version number to 1.3.14. Signed-off-by: Daniel Mack Signed-off-by: Takashi Iwai --- sound/usb/caiaq/audio.c | 12 +++++++----- sound/usb/caiaq/device.c | 2 +- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c index 3f45c0fe61ab..b13ce767ac72 100644 --- a/sound/usb/caiaq/audio.c +++ b/sound/usb/caiaq/audio.c @@ -195,11 +195,14 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream) debug("%s(%p)\n", __func__, substream); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + dev->period_out_count[index] = BYTES_PER_SAMPLE + 1; dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1; - else + } else { + dev->period_in_count[index] = BYTES_PER_SAMPLE; dev->audio_in_buf_pos[index] = BYTES_PER_SAMPLE; - + } + if (dev->streaming) return 0; @@ -300,8 +303,7 @@ static void check_for_elapsed_periods(struct snd_usb_caiaqdev *dev, if (!sub) continue; - pb = frames_to_bytes(sub->runtime, - sub->runtime->period_size); + pb = snd_pcm_lib_period_bytes(sub); cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ? &dev->period_out_count[stream] : &dev->period_in_count[stream]; diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index 6d517705da0e..515de1cd2a3e 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -35,7 +35,7 @@ #include "input.h" MODULE_AUTHOR("Daniel Mack "); -MODULE_DESCRIPTION("caiaq USB audio, version 1.3.13"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.3.14"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," "{Native Instruments, RigKontrol3}," From d6397baee468809ef311e763dfc6e9f73418f8a6 Mon Sep 17 00:00:00 2001 From: Chris Ball Date: Mon, 27 Apr 2009 07:29:03 -0400 Subject: [PATCH 119/478] Btrfs: When shrinking, only update disk size on success Previously, we updated a device's size prior to attempting a shrink operation. This patch moves the device resizing logic to only happen if the shrink completes successfully. In the process, it introduces a new field to btrfs_device -- disk_total_bytes -- to track the on-disk size. Signed-off-by: Chris Ball Signed-off-by: Chris Mason --- fs/btrfs/volumes.c | 35 ++++++++++++++++++++++++----------- fs/btrfs/volumes.h | 3 +++ 2 files changed, 27 insertions(+), 11 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index e53835b88594..5f01dad4b696 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1543,7 +1543,7 @@ static noinline int btrfs_update_device(struct btrfs_trans_handle *trans, btrfs_set_device_io_align(leaf, dev_item, device->io_align); btrfs_set_device_io_width(leaf, dev_item, device->io_width); btrfs_set_device_sector_size(leaf, dev_item, device->sector_size); - btrfs_set_device_total_bytes(leaf, dev_item, device->total_bytes); + btrfs_set_device_total_bytes(leaf, dev_item, device->disk_total_bytes); btrfs_set_device_bytes_used(leaf, dev_item, device->bytes_used); btrfs_mark_buffer_dirty(leaf); @@ -1940,14 +1940,6 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size) device->total_bytes = new_size; if (device->writeable) device->fs_devices->total_rw_bytes -= diff; - ret = btrfs_update_device(trans, device); - if (ret) { - unlock_chunks(root); - btrfs_end_transaction(trans, root); - goto done; - } - WARN_ON(diff > old_total); - btrfs_set_super_total_bytes(super_copy, old_total - diff); unlock_chunks(root); btrfs_end_transaction(trans, root); @@ -1979,7 +1971,7 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size) length = btrfs_dev_extent_length(l, dev_extent); if (key.offset + length <= new_size) - goto done; + break; chunk_tree = btrfs_dev_extent_chunk_tree(l, dev_extent); chunk_objectid = btrfs_dev_extent_chunk_objectid(l, dev_extent); @@ -1992,6 +1984,26 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size) goto done; } + /* Shrinking succeeded, else we would be at "done". */ + trans = btrfs_start_transaction(root, 1); + if (!trans) { + ret = -ENOMEM; + goto done; + } + lock_chunks(root); + + device->disk_total_bytes = new_size; + /* Now btrfs_update_device() will change the on-disk size. */ + ret = btrfs_update_device(trans, device); + if (ret) { + unlock_chunks(root); + btrfs_end_transaction(trans, root); + goto done; + } + WARN_ON(diff > old_total); + btrfs_set_super_total_bytes(super_copy, old_total - diff); + unlock_chunks(root); + btrfs_end_transaction(trans, root); done: btrfs_free_path(path); return ret; @@ -3076,7 +3088,8 @@ static int fill_device_from_item(struct extent_buffer *leaf, unsigned long ptr; device->devid = btrfs_device_id(leaf, dev_item); - device->total_bytes = btrfs_device_total_bytes(leaf, dev_item); + device->disk_total_bytes = btrfs_device_total_bytes(leaf, dev_item); + device->total_bytes = device->disk_total_bytes; device->bytes_used = btrfs_device_bytes_used(leaf, dev_item); device->type = btrfs_device_type(leaf, dev_item); device->io_align = btrfs_device_io_align(leaf, dev_item); diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 5836327ba5dd..5c3ff6d02fd7 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -61,6 +61,9 @@ struct btrfs_device { /* size of the device */ u64 total_bytes; + /* size of the disk */ + u64 disk_total_bytes; + /* bytes used */ u64 bytes_used; From b7967db75a38df4891b22efe1b0969b9357eb946 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 27 Apr 2009 07:29:04 -0400 Subject: [PATCH 120/478] Btrfs: remove #if 0 code Btrfs had some old code sitting around under #if 0, this drops it. Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 48 +-------------------------- fs/btrfs/extent_io.c | 63 ----------------------------------- fs/btrfs/file.c | 78 -------------------------------------------- 3 files changed, 1 insertion(+), 188 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 44c94d808e2b..77f9a3b824be 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -584,18 +584,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, btrfs_set_work_high_prio(&async->work); btrfs_queue_worker(&fs_info->workers, &async->work); -#if 0 - int limit = btrfs_async_submit_limit(fs_info); - if (atomic_read(&fs_info->nr_async_submits) > limit) { - wait_event_timeout(fs_info->async_submit_wait, - (atomic_read(&fs_info->nr_async_submits) < limit), - HZ/10); - wait_event_timeout(fs_info->async_submit_wait, - (atomic_read(&fs_info->nr_async_bios) < limit), - HZ/10); - } -#endif while (atomic_read(&fs_info->async_submit_draining) && atomic_read(&fs_info->nr_async_submits)) { wait_event(fs_info->async_submit_wait, @@ -770,27 +759,6 @@ static void btree_invalidatepage(struct page *page, unsigned long offset) } } -#if 0 -static int btree_writepage(struct page *page, struct writeback_control *wbc) -{ - struct buffer_head *bh; - struct btrfs_root *root = BTRFS_I(page->mapping->host)->root; - struct buffer_head *head; - if (!page_has_buffers(page)) { - create_empty_buffers(page, root->fs_info->sb->s_blocksize, - (1 << BH_Dirty)|(1 << BH_Uptodate)); - } - head = page_buffers(page); - bh = head; - do { - if (buffer_dirty(bh)) - csum_tree_block(root, bh, 0); - bh = bh->b_this_page; - } while (bh != head); - return block_write_full_page(page, btree_get_block, wbc); -} -#endif - static struct address_space_operations btree_aops = { .readpage = btree_readpage, .writepage = btree_writepage, @@ -1278,11 +1246,7 @@ static int btrfs_congested_fn(void *congested_data, int bdi_bits) int ret = 0; struct btrfs_device *device; struct backing_dev_info *bdi; -#if 0 - if ((bdi_bits & (1 << BDI_write_congested)) && - btrfs_congested_async(info, 0)) - return 1; -#endif + list_for_each_entry(device, &info->fs_devices->devices, dev_list) { if (!device->bdev) continue; @@ -2334,16 +2298,6 @@ int close_ctree(struct btrfs_root *root) btrfs_stop_workers(&fs_info->endio_write_workers); btrfs_stop_workers(&fs_info->submit_workers); -#if 0 - while (!list_empty(&fs_info->hashers)) { - struct btrfs_hasher *hasher; - hasher = list_entry(fs_info->hashers.next, struct btrfs_hasher, - hashers); - list_del(&hasher->hashers); - crypto_free_hash(&fs_info->hash_tfm); - kfree(hasher); - } -#endif btrfs_close_devices(fs_info->fs_devices); btrfs_mapping_tree_free(&fs_info->mapping_tree); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c33b54029d78..fe9eb990e443 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1401,69 +1401,6 @@ out: return total_bytes; } -#if 0 -/* - * helper function to lock both pages and extents in the tree. - * pages must be locked first. - */ -static int lock_range(struct extent_io_tree *tree, u64 start, u64 end) -{ - unsigned long index = start >> PAGE_CACHE_SHIFT; - unsigned long end_index = end >> PAGE_CACHE_SHIFT; - struct page *page; - int err; - - while (index <= end_index) { - page = grab_cache_page(tree->mapping, index); - if (!page) { - err = -ENOMEM; - goto failed; - } - if (IS_ERR(page)) { - err = PTR_ERR(page); - goto failed; - } - index++; - } - lock_extent(tree, start, end, GFP_NOFS); - return 0; - -failed: - /* - * we failed above in getting the page at 'index', so we undo here - * up to but not including the page at 'index' - */ - end_index = index; - index = start >> PAGE_CACHE_SHIFT; - while (index < end_index) { - page = find_get_page(tree->mapping, index); - unlock_page(page); - page_cache_release(page); - index++; - } - return err; -} - -/* - * helper function to unlock both pages and extents in the tree. - */ -static int unlock_range(struct extent_io_tree *tree, u64 start, u64 end) -{ - unsigned long index = start >> PAGE_CACHE_SHIFT; - unsigned long end_index = end >> PAGE_CACHE_SHIFT; - struct page *page; - - while (index <= end_index) { - page = find_get_page(tree->mapping, index); - unlock_page(page); - page_cache_release(page); - index++; - } - unlock_extent(tree, start, end, GFP_NOFS); - return 0; -} -#endif - /* * set the private field for a given byte offset in the tree. If there isn't * an extent_state there already, this does nothing. diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index da3ed965c956..1d51dc38bb49 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -272,83 +272,6 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, return 0; } -int btrfs_check_file(struct btrfs_root *root, struct inode *inode) -{ - return 0; -#if 0 - struct btrfs_path *path; - struct btrfs_key found_key; - struct extent_buffer *leaf; - struct btrfs_file_extent_item *extent; - u64 last_offset = 0; - int nritems; - int slot; - int found_type; - int ret; - int err = 0; - u64 extent_end = 0; - - path = btrfs_alloc_path(); - ret = btrfs_lookup_file_extent(NULL, root, path, inode->i_ino, - last_offset, 0); - while (1) { - nritems = btrfs_header_nritems(path->nodes[0]); - if (path->slots[0] >= nritems) { - ret = btrfs_next_leaf(root, path); - if (ret) - goto out; - nritems = btrfs_header_nritems(path->nodes[0]); - } - slot = path->slots[0]; - leaf = path->nodes[0]; - btrfs_item_key_to_cpu(leaf, &found_key, slot); - if (found_key.objectid != inode->i_ino) - break; - if (found_key.type != BTRFS_EXTENT_DATA_KEY) - goto out; - - if (found_key.offset < last_offset) { - WARN_ON(1); - btrfs_print_leaf(root, leaf); - printk(KERN_ERR "inode %lu found offset %llu " - "expected %llu\n", inode->i_ino, - (unsigned long long)found_key.offset, - (unsigned long long)last_offset); - err = 1; - goto out; - } - extent = btrfs_item_ptr(leaf, slot, - struct btrfs_file_extent_item); - found_type = btrfs_file_extent_type(leaf, extent); - if (found_type == BTRFS_FILE_EXTENT_REG) { - extent_end = found_key.offset + - btrfs_file_extent_num_bytes(leaf, extent); - } else if (found_type == BTRFS_FILE_EXTENT_INLINE) { - struct btrfs_item *item; - item = btrfs_item_nr(leaf, slot); - extent_end = found_key.offset + - btrfs_file_extent_inline_len(leaf, extent); - extent_end = (extent_end + root->sectorsize - 1) & - ~((u64)root->sectorsize - 1); - } - last_offset = extent_end; - path->slots[0]++; - } - if (0 && last_offset < inode->i_size) { - WARN_ON(1); - btrfs_print_leaf(root, leaf); - printk(KERN_ERR "inode %lu found offset %llu size %llu\n", - inode->i_ino, (unsigned long long)last_offset, - (unsigned long long)inode->i_size); - err = 1; - - } -out: - btrfs_free_path(path); - return err; -#endif -} - /* * this is very complex, but the basic idea is to drop all extents * in the range start - end. hint_block is filled in with a block number @@ -689,7 +612,6 @@ out: unlock_extent(&BTRFS_I(inode)->io_tree, orig_locked_end, locked_end - 1, GFP_NOFS); } - btrfs_check_file(root, inode); return ret; } From 193f284d4985db0370a8a1bbdfb20df548cf9ffb Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 27 Apr 2009 07:29:05 -0400 Subject: [PATCH 121/478] Btrfs: ratelimit IO error printks Btrfs has printks for various IO errors, including bad checksums and mismatches between what we expect the block headers to contain and what we actually find on the disk. Longer term we need a real reporting mechanism for this, but for now printk is going to have to do. Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 38 +++++++++++++++++++++++++------------- fs/btrfs/inode.c | 10 ++++++---- 2 files changed, 31 insertions(+), 17 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 77f9a3b824be..aa0c259b9c28 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -232,10 +232,14 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf, memcpy(&found, result, csum_size); read_extent_buffer(buf, &val, 0, csum_size); - printk(KERN_INFO "btrfs: %s checksum verify failed " - "on %llu wanted %X found %X level %d\n", - root->fs_info->sb->s_id, - buf->start, val, found, btrfs_header_level(buf)); + if (printk_ratelimit()) { + printk(KERN_INFO "btrfs: %s checksum verify " + "failed on %llu wanted %X found %X " + "level %d\n", + root->fs_info->sb->s_id, + (unsigned long long)buf->start, val, found, + btrfs_header_level(buf)); + } if (result != (char *)&inline_result) kfree(result); return 1; @@ -268,10 +272,13 @@ static int verify_parent_transid(struct extent_io_tree *io_tree, ret = 0; goto out; } - printk("parent transid verify failed on %llu wanted %llu found %llu\n", - (unsigned long long)eb->start, - (unsigned long long)parent_transid, - (unsigned long long)btrfs_header_generation(eb)); + if (printk_ratelimit()) { + printk("parent transid verify failed on %llu wanted %llu " + "found %llu\n", + (unsigned long long)eb->start, + (unsigned long long)parent_transid, + (unsigned long long)btrfs_header_generation(eb)); + } ret = 1; clear_extent_buffer_uptodate(io_tree, eb); out: @@ -415,9 +422,12 @@ static int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end, found_start = btrfs_header_bytenr(eb); if (found_start != start) { - printk(KERN_INFO "btrfs bad tree block start %llu %llu\n", - (unsigned long long)found_start, - (unsigned long long)eb->start); + if (printk_ratelimit()) { + printk(KERN_INFO "btrfs bad tree block start " + "%llu %llu\n", + (unsigned long long)found_start, + (unsigned long long)eb->start); + } ret = -EIO; goto err; } @@ -429,8 +439,10 @@ static int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end, goto err; } if (check_tree_block_fsid(root, eb)) { - printk(KERN_INFO "btrfs bad fsid on block %llu\n", - (unsigned long long)eb->start); + if (printk_ratelimit()) { + printk(KERN_INFO "btrfs bad fsid on block %llu\n", + (unsigned long long)eb->start); + } ret = -EIO; goto err; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2fdb2995be64..552e08afc7fb 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1823,10 +1823,12 @@ good: return 0; zeroit: - printk(KERN_INFO "btrfs csum failed ino %lu off %llu csum %u " - "private %llu\n", page->mapping->host->i_ino, - (unsigned long long)start, csum, - (unsigned long long)private); + if (printk_ratelimit()) { + printk(KERN_INFO "btrfs csum failed ino %lu off %llu csum %u " + "private %llu\n", page->mapping->host->i_ino, + (unsigned long long)start, csum, + (unsigned long long)private); + } memset(kaddr + offset, 1, end - start + 1); flush_dcache_page(page); kunmap_atomic(kaddr, KM_USER0); From 395a434e39cb6dc6e1ff53bb43722b534a3c68d6 Mon Sep 17 00:00:00 2001 From: Subrata Modak Date: Mon, 27 Apr 2009 16:42:37 +0530 Subject: [PATCH 122/478] ALSA: Fix Trivial Warnining in sound/pci/cmipci.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixed the compile warning below by initializatin iomidi variable properly. sound/pci/cmipci.c: In function ‘snd_cmipci_probe’: sound/pci/cmipci.c:3017: warning: ‘iomidi’ may be used uninitialized in this function Signed-off-by: Subrata Modak Cc: linux-pci Cc: Balbir Singh Cc: Sachin P Sant Signed-off-by: Takashi Iwai --- sound/pci/cmipci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index c7899c32aba1..449fe02f666e 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -3014,7 +3014,7 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc .dev_free = snd_cmipci_dev_free, }; unsigned int val; - long iomidi; + long iomidi = 0; int integrated_midi = 0; char modelstr[16]; int pcm_index, pcm_spdif_index; From 7ced70c47f68ad672f50781de5adc6d41e6d2866 Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Thu, 23 Apr 2009 02:24:21 +0000 Subject: [PATCH 123/478] update Documentation/isdn/00-INDEX After the merging of mISDN, state which files refer only to the old isdn4linux subsystem. Also add a few missing files. Signed-off-by: Tilman Schmidt Signed-off-by: Karsten Keil Signed-off-by: David S. Miller --- Documentation/isdn/00-INDEX | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/Documentation/isdn/00-INDEX b/Documentation/isdn/00-INDEX index 9fee5f2e5c62..d9660ee5ab27 100644 --- a/Documentation/isdn/00-INDEX +++ b/Documentation/isdn/00-INDEX @@ -2,8 +2,12 @@ - this file (info on ISDN implementation for Linux) CREDITS - list of the kind folks that brought you this stuff. +HiSax.cert + - information about the ITU approval certification of the HiSax driver. INTERFACE - - description of Linklevel and Hardwarelevel ISDN interface. + - description of isdn4linux Link Level and Hardware Level interfaces. +INTERFACE.fax + - description of the fax subinterface of isdn4linux. README - general info on what you need and what to do for Linux ISDN. README.FAQ @@ -12,6 +16,8 @@ README.audio - info for running audio over ISDN. README.fax - info for using Fax over ISDN. +README.gigaset + - info on the drivers for Siemens Gigaset ISDN adapters. README.icn - info on the ICN-ISDN-card and its driver. README.HiSax @@ -37,7 +43,8 @@ README.diversion README.sc - info on driver for Spellcaster cards. README.x25 - _ info for running X.25 over ISDN. + - info for running X.25 over ISDN. README.hysdn - - info on driver for Hypercope active HYSDN cards - + - info on driver for Hypercope active HYSDN cards +README.mISDN + - info on the Modular ISDN subsystem (mISDN). From 554f200e22a13e19bd407d0037e41be0ec8a0a2e Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Thu, 23 Apr 2009 02:24:21 +0000 Subject: [PATCH 124/478] Documentation/isdn/INTERFACE.CAPI isdn: document Kernel CAPI driver interface Create a file Documentation/isdn/INTERFACE.CAPI describing the interface between the kernel CAPI subsystem and ISDN device drivers, analogous to the existing Documentation/isdn/INTERFACE for the old isdn4linux subsystem. Also add kerneldoc comments to the exported functions in drivers/isdn/capi/kcapi.c. Impact: Documentation Signed-off-by: Tilman Schmidt Signed-off-by: Karsten Keil Signed-off-by: David S. Miller --- Documentation/isdn/00-INDEX | 2 + Documentation/isdn/INTERFACE.CAPI | 207 ++++++++++++++++++++++++++++++ drivers/isdn/capi/kcapi.c | 171 ++++++++++++++++++++++++ 3 files changed, 380 insertions(+) create mode 100644 Documentation/isdn/INTERFACE.CAPI diff --git a/Documentation/isdn/00-INDEX b/Documentation/isdn/00-INDEX index d9660ee5ab27..5a2d69989a8c 100644 --- a/Documentation/isdn/00-INDEX +++ b/Documentation/isdn/00-INDEX @@ -8,6 +8,8 @@ INTERFACE - description of isdn4linux Link Level and Hardware Level interfaces. INTERFACE.fax - description of the fax subinterface of isdn4linux. +INTERFACE.CAPI + - description of kernel CAPI Link Level to Hardware Level interface. README - general info on what you need and what to do for Linux ISDN. README.FAQ diff --git a/Documentation/isdn/INTERFACE.CAPI b/Documentation/isdn/INTERFACE.CAPI new file mode 100644 index 000000000000..8947ffcda16e --- /dev/null +++ b/Documentation/isdn/INTERFACE.CAPI @@ -0,0 +1,207 @@ +Kernel CAPI Interface to Hardware Drivers +----------------------------------------- + +1. Overview + +Kernel CAPI operates as a dispatching layer between CAPI applications and CAPI +hardware drivers. Hardware drivers register ISDN devices (controllers, in CAPI +lingo) with Kernel CAPI to indicate their readiness to provide their service +to CAPI applications. CAPI applications also register with Kernel CAPI, +requesting association with a CAPI device. Kernel CAPI then dispatches the +application registration to an available device, forwarding it to the +corresponding hardware driver. Kernel CAPI then forwards CAPI messages in both +directions between the application and the hardware driver. + + +2. Driver and Device Registration + +CAPI drivers optionally register themselves with Kernel CAPI by calling the +Kernel CAPI function register_capi_driver() with a pointer to a struct +capi_driver. This structure must be filled with the name and revision of the +driver, and optionally a pointer to a callback function, add_card(). The +registration can be revoked by calling the function unregister_capi_driver() +with a pointer to the same struct capi_driver. + +CAPI drivers must register each of the ISDN devices they control with Kernel +CAPI by calling the Kernel CAPI function attach_capi_ctr() with a pointer to a +struct capi_ctr before they can be used. This structure must be filled with +the names of the driver and controller, and a number of callback function +pointers which are subsequently used by Kernel CAPI for communicating with the +driver. The registration can be revoked by calling the function +detach_capi_ctr() with a pointer to the same struct capi_ctr. + +Before the device can be actually used, the driver must fill in the device +information fields 'manu', 'version', 'profile' and 'serial' in the capi_ctr +structure of the device, and signal its readiness by calling capi_ctr_ready(). +From then on, Kernel CAPI may call the registered callback functions for the +device. + +If the device becomes unusable for any reason (shutdown, disconnect ...), the +driver has to call capi_ctr_reseted(). This will prevent further calls to the +callback functions by Kernel CAPI. + + +3. Application Registration and Communication + +Kernel CAPI forwards registration requests from applications (calls to CAPI +operation CAPI_REGISTER) to an appropriate hardware driver by calling its +register_appl() callback function. A unique Application ID (ApplID, u16) is +allocated by Kernel CAPI and passed to register_appl() along with the +parameter structure provided by the application. This is analogous to the +open() operation on regular files or character devices. + +After a successful return from register_appl(), CAPI messages from the +application may be passed to the driver for the device via calls to the +send_message() callback function. The CAPI message to send is stored in the +data portion of a skb. Conversely, the driver may call Kernel CAPI's +capi_ctr_handle_message() function to pass a received CAPI message to Kernel +CAPI for forwarding to an application, specifying its ApplID. + +Format and semantics of CAPI messages are specified in the CAPI 2.0 standard. + +Deregistration requests (CAPI operation CAPI_RELEASE) from applications are +forwarded as calls to the release_appl() callback function, passing the same +ApplID as with register_appl(). After return from release_appl(), no CAPI +messages for that application may be passed to or from the device anymore. + + +4. Data Structures + +4.1 struct capi_driver + +This structure describes a Kernel CAPI driver itself. It is used in the +register_capi_driver() and unregister_capi_driver() functions, and contains +the following non-private fields, all to be set by the driver before calling +register_capi_driver(): + +char name[32] + the name of the driver, as a zero terminated ASCII string +char revision[32] + the revision number of the driver, as a zero terminated ASCII string +int (*add_card)(struct capi_driver *driver, capicardparams *data) + a callback function pointer (may be NULL) + + +4.2 struct capi_ctr + +This structure describes an ISDN device (controller) handled by a Kernel CAPI +driver. After registration via the attach_capi_ctr() function it is passed to +all controller specific lower layer interface and callback functions to +identify the controller to operate on. + +It contains the following non-private fields: + +- to be set by the driver before calling attach_capi_ctr(): + +struct module *owner + pointer to the driver module owning the device + +void *driverdata + an opaque pointer to driver specific data, not touched by Kernel CAPI + +char name[32] + the name of the controller, as a zero terminated ASCII string + +char *driver_name + the name of the driver, as a zero terminated ASCII string + +int (*load_firmware)(struct capi_ctr *ctrlr, capiloaddata *ldata) + (optional) pointer to a callback function for sending firmware and + configuration data to the device + +void (*reset_ctr)(struct capi_ctr *ctrlr) + pointer to a callback function for performing a reset on the device, + releasing all registered applications + +void (*register_appl)(struct capi_ctr *ctrlr, u16 applid, + capi_register_params *rparam) +void (*release_appl)(struct capi_ctr *ctrlr, u16 applid) + pointers to callback functions for registration and deregistration of + applications with the device + +u16 (*send_message)(struct capi_ctr *ctrlr, struct sk_buff *skb) + pointer to a callback function for sending a CAPI message to the + device + +char *(*procinfo)(struct capi_ctr *ctrlr) + pointer to a callback function returning the entry for the device in + the CAPI controller info table, /proc/capi/controller + +read_proc_t *ctr_read_proc + pointer to the read_proc callback function for the device's proc file + system entry, /proc/capi/controllers/; will be called with a + pointer to the device's capi_ctr structure as the last (data) argument + +- to be filled in before calling capi_ctr_ready(): + +u8 manu[CAPI_MANUFACTURER_LEN] + value to return for CAPI_GET_MANUFACTURER + +capi_version version + value to return for CAPI_GET_VERSION + +capi_profile profile + value to return for CAPI_GET_PROFILE + +u8 serial[CAPI_SERIAL_LEN] + value to return for CAPI_GET_SERIAL + + +5. Lower Layer Interface Functions + +(declared in ) + +void register_capi_driver(struct capi_driver *drvr) +void unregister_capi_driver(struct capi_driver *drvr) + register/unregister a driver with Kernel CAPI + +int attach_capi_ctr(struct capi_ctr *ctrlr) +int detach_capi_ctr(struct capi_ctr *ctrlr) + register/unregister a device (controller) with Kernel CAPI + +void capi_ctr_ready(struct capi_ctr *ctrlr) +void capi_ctr_reseted(struct capi_ctr *ctrlr) + signal controller ready/not ready + +void capi_ctr_suspend_output(struct capi_ctr *ctrlr) +void capi_ctr_resume_output(struct capi_ctr *ctrlr) + signal suspend/resume + +void capi_ctr_handle_message(struct capi_ctr * ctrlr, u16 applid, + struct sk_buff *skb) + pass a received CAPI message to Kernel CAPI + for forwarding to the specified application + + +6. Helper Functions and Macros + +Library functions (from ): + +void capilib_new_ncci(struct list_head *head, u16 applid, + u32 ncci, u32 winsize) +void capilib_free_ncci(struct list_head *head, u16 applid, u32 ncci) +void capilib_release_appl(struct list_head *head, u16 applid) +void capilib_release(struct list_head *head) +void capilib_data_b3_conf(struct list_head *head, u16 applid, + u32 ncci, u16 msgid) +u16 capilib_data_b3_req(struct list_head *head, u16 applid, + u32 ncci, u16 msgid) + + +Macros to extract/set element values from/in a CAPI message header +(from ): + +Get Macro Set Macro Element (Type) + +CAPIMSG_LEN(m) CAPIMSG_SETLEN(m, len) Total Length (u16) +CAPIMSG_APPID(m) CAPIMSG_SETAPPID(m, applid) ApplID (u16) +CAPIMSG_COMMAND(m) CAPIMSG_SETCOMMAND(m,cmd) Command (u8) +CAPIMSG_SUBCOMMAND(m) CAPIMSG_SETSUBCOMMAND(m, cmd) Subcommand (u8) +CAPIMSG_CMD(m) - Command*256 + + Subcommand (u16) +CAPIMSG_MSGID(m) CAPIMSG_SETMSGID(m, msgid) Message Number (u16) + +CAPIMSG_CONTROL(m) CAPIMSG_SETCONTROL(m, contr) Controller/PLCI/NCCI + (u32) +CAPIMSG_DATALEN(m) CAPIMSG_SETDATALEN(m, len) Data Length (u16) + diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index 5360c4fd4739..f33170368cd1 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -270,6 +270,15 @@ static void recv_handler(struct work_struct *work) mutex_unlock(&ap->recv_mtx); } +/** + * capi_ctr_handle_message() - handle incoming CAPI message + * @card: controller descriptor structure. + * @appl: application ID. + * @skb: message. + * + * Called by hardware driver to pass a CAPI message to the application. + */ + void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb) { struct capi20_appl *ap; @@ -348,6 +357,13 @@ error: EXPORT_SYMBOL(capi_ctr_handle_message); +/** + * capi_ctr_ready() - signal CAPI controller ready + * @card: controller descriptor structure. + * + * Called by hardware driver to signal that the controller is up and running. + */ + void capi_ctr_ready(struct capi_ctr * card) { card->cardstate = CARD_RUNNING; @@ -360,6 +376,14 @@ void capi_ctr_ready(struct capi_ctr * card) EXPORT_SYMBOL(capi_ctr_ready); +/** + * capi_ctr_reseted() - signal CAPI controller reset + * @card: controller descriptor structure. + * + * Called by hardware driver to signal that the controller is down and + * unavailable for use. + */ + void capi_ctr_reseted(struct capi_ctr * card) { u16 appl; @@ -391,6 +415,13 @@ void capi_ctr_reseted(struct capi_ctr * card) EXPORT_SYMBOL(capi_ctr_reseted); +/** + * capi_ctr_suspend_output() - suspend controller + * @card: controller descriptor structure. + * + * Called by hardware driver to stop data flow. + */ + void capi_ctr_suspend_output(struct capi_ctr *card) { if (!card->blocked) { @@ -401,6 +432,13 @@ void capi_ctr_suspend_output(struct capi_ctr *card) EXPORT_SYMBOL(capi_ctr_suspend_output); +/** + * capi_ctr_resume_output() - resume controller + * @card: controller descriptor structure. + * + * Called by hardware driver to resume data flow. + */ + void capi_ctr_resume_output(struct capi_ctr *card) { if (card->blocked) { @@ -413,6 +451,14 @@ EXPORT_SYMBOL(capi_ctr_resume_output); /* ------------------------------------------------------------- */ +/** + * attach_capi_ctr() - register CAPI controller + * @card: controller descriptor structure. + * + * Called by hardware driver to register a controller with the CAPI subsystem. + * Return value: 0 on success, error code < 0 on error + */ + int attach_capi_ctr(struct capi_ctr *card) { @@ -459,6 +505,15 @@ attach_capi_ctr(struct capi_ctr *card) EXPORT_SYMBOL(attach_capi_ctr); +/** + * detach_capi_ctr() - unregister CAPI controller + * @card: controller descriptor structure. + * + * Called by hardware driver to remove the registration of a controller + * with the CAPI subsystem. + * Return value: 0 on success, error code < 0 on error + */ + int detach_capi_ctr(struct capi_ctr *card) { if (card->cardstate != CARD_DETECTED) @@ -479,6 +534,13 @@ int detach_capi_ctr(struct capi_ctr *card) EXPORT_SYMBOL(detach_capi_ctr); +/** + * register_capi_driver() - register CAPI driver + * @driver: driver descriptor structure. + * + * Called by hardware driver to register itself with the CAPI subsystem. + */ + void register_capi_driver(struct capi_driver *driver) { unsigned long flags; @@ -490,6 +552,13 @@ void register_capi_driver(struct capi_driver *driver) EXPORT_SYMBOL(register_capi_driver); +/** + * unregister_capi_driver() - unregister CAPI driver + * @driver: driver descriptor structure. + * + * Called by hardware driver to unregister itself from the CAPI subsystem. + */ + void unregister_capi_driver(struct capi_driver *driver) { unsigned long flags; @@ -505,6 +574,13 @@ EXPORT_SYMBOL(unregister_capi_driver); /* -------- CAPI2.0 Interface ---------------------------------- */ /* ------------------------------------------------------------- */ +/** + * capi20_isinstalled() - CAPI 2.0 operation CAPI_INSTALLED + * + * Return value: CAPI result code (CAPI_NOERROR if at least one ISDN controller + * is ready for use, CAPI_REGNOTINSTALLED otherwise) + */ + u16 capi20_isinstalled(void) { int i; @@ -517,6 +593,18 @@ u16 capi20_isinstalled(void) EXPORT_SYMBOL(capi20_isinstalled); +/** + * capi20_register() - CAPI 2.0 operation CAPI_REGISTER + * @ap: CAPI application descriptor structure. + * + * Register an application's presence with CAPI. + * A unique application ID is assigned and stored in @ap->applid. + * After this function returns successfully, the message receive + * callback function @ap->recv_message() may be called at any time + * until capi20_release() has been called for the same @ap. + * Return value: CAPI result code + */ + u16 capi20_register(struct capi20_appl *ap) { int i; @@ -571,6 +659,16 @@ u16 capi20_register(struct capi20_appl *ap) EXPORT_SYMBOL(capi20_register); +/** + * capi20_release() - CAPI 2.0 operation CAPI_RELEASE + * @ap: CAPI application descriptor structure. + * + * Terminate an application's registration with CAPI. + * After this function returns successfully, the message receive + * callback function @ap->recv_message() will no longer be called. + * Return value: CAPI result code + */ + u16 capi20_release(struct capi20_appl *ap) { int i; @@ -603,6 +701,15 @@ u16 capi20_release(struct capi20_appl *ap) EXPORT_SYMBOL(capi20_release); +/** + * capi20_put_message() - CAPI 2.0 operation CAPI_PUT_MESSAGE + * @ap: CAPI application descriptor structure. + * @skb: CAPI message. + * + * Transfer a single message to CAPI. + * Return value: CAPI result code + */ + u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) { struct capi_ctr *card; @@ -668,6 +775,16 @@ u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) EXPORT_SYMBOL(capi20_put_message); +/** + * capi20_get_manufacturer() - CAPI 2.0 operation CAPI_GET_MANUFACTURER + * @contr: controller number. + * @buf: result buffer (64 bytes). + * + * Retrieve information about the manufacturer of the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_manufacturer(u32 contr, u8 *buf) { struct capi_ctr *card; @@ -685,6 +802,16 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf) EXPORT_SYMBOL(capi20_get_manufacturer); +/** + * capi20_get_version() - CAPI 2.0 operation CAPI_GET_VERSION + * @contr: controller number. + * @verp: result structure. + * + * Retrieve version information for the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_version(u32 contr, struct capi_version *verp) { struct capi_ctr *card; @@ -703,6 +830,16 @@ u16 capi20_get_version(u32 contr, struct capi_version *verp) EXPORT_SYMBOL(capi20_get_version); +/** + * capi20_get_serial() - CAPI 2.0 operation CAPI_GET_SERIAL_NUMBER + * @contr: controller number. + * @serial: result buffer (8 bytes). + * + * Retrieve the serial number of the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_serial(u32 contr, u8 *serial) { struct capi_ctr *card; @@ -721,6 +858,16 @@ u16 capi20_get_serial(u32 contr, u8 *serial) EXPORT_SYMBOL(capi20_get_serial); +/** + * capi20_get_profile() - CAPI 2.0 operation CAPI_GET_PROFILE + * @contr: controller number. + * @profp: result structure. + * + * Retrieve capability information for the specified ISDN controller + * or (for @contr == 0) the number of installed controllers. + * Return value: CAPI result code + */ + u16 capi20_get_profile(u32 contr, struct capi_profile *profp) { struct capi_ctr *card; @@ -903,6 +1050,15 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) } #endif +/** + * capi20_manufacturer() - CAPI 2.0 operation CAPI_MANUFACTURER + * @cmd: command. + * @data: parameter. + * + * Perform manufacturer specific command. + * Return value: CAPI result code + */ + int capi20_manufacturer(unsigned int cmd, void __user *data) { struct capi_ctr *card; @@ -981,6 +1137,21 @@ int capi20_manufacturer(unsigned int cmd, void __user *data) EXPORT_SYMBOL(capi20_manufacturer); /* temporary hack */ + +/** + * capi20_set_callback() - set CAPI application notification callback function + * @ap: CAPI application descriptor structure. + * @callback: callback function (NULL to remove). + * + * If not NULL, the callback function will be called to notify the + * application of the addition or removal of a controller. + * The first argument (cmd) will tell whether the controller was added + * (KCI_CONTRUP) or removed (KCI_CONTRDOWN). + * The second argument (contr) will be the controller number. + * For cmd==KCI_CONTRUP the third argument (data) will be a pointer to the + * new controller's capability profile structure. + */ + void capi20_set_callback(struct capi20_appl *ap, void (*callback) (unsigned int cmd, __u32 contr, void *data)) { From 2296e5a0136f7ba64c99f3a48a55a687aa9abcc8 Mon Sep 17 00:00:00 2001 From: Karsten Keil Date: Thu, 23 Apr 2009 02:24:21 +0000 Subject: [PATCH 125/478] Add reference to CAPI 2.0 standard Move the entry about CAPI 2.0 to the beginning and add a URL. Incorporate changes suggested by Randy Dunlap, thanks for proofreading. Signed-off-by: Karsten Keil Signed-off-by: David S. Miller --- Documentation/isdn/INTERFACE.CAPI | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/Documentation/isdn/INTERFACE.CAPI b/Documentation/isdn/INTERFACE.CAPI index 8947ffcda16e..786d619b36e5 100644 --- a/Documentation/isdn/INTERFACE.CAPI +++ b/Documentation/isdn/INTERFACE.CAPI @@ -3,6 +3,11 @@ Kernel CAPI Interface to Hardware Drivers 1. Overview +From the CAPI 2.0 specification: +COMMON-ISDN-API (CAPI) is an application programming interface standard used +to access ISDN equipment connected to basic rate interfaces (BRI) and primary +rate interfaces (PRI). + Kernel CAPI operates as a dispatching layer between CAPI applications and CAPI hardware drivers. Hardware drivers register ISDN devices (controllers, in CAPI lingo) with Kernel CAPI to indicate their readiness to provide their service @@ -12,6 +17,9 @@ application registration to an available device, forwarding it to the corresponding hardware driver. Kernel CAPI then forwards CAPI messages in both directions between the application and the hardware driver. +Format and semantics of CAPI messages are specified in the CAPI 2.0 standard. +This standard is freely available from http://www.capi.org. + 2. Driver and Device Registration @@ -53,12 +61,10 @@ open() operation on regular files or character devices. After a successful return from register_appl(), CAPI messages from the application may be passed to the driver for the device via calls to the send_message() callback function. The CAPI message to send is stored in the -data portion of a skb. Conversely, the driver may call Kernel CAPI's +data portion of an skb. Conversely, the driver may call Kernel CAPI's capi_ctr_handle_message() function to pass a received CAPI message to Kernel CAPI for forwarding to an application, specifying its ApplID. -Format and semantics of CAPI messages are specified in the CAPI 2.0 standard. - Deregistration requests (CAPI operation CAPI_RELEASE) from applications are forwarded as calls to the release_appl() callback function, passing the same ApplID as with register_appl(). After return from release_appl(), no CAPI @@ -75,9 +81,9 @@ the following non-private fields, all to be set by the driver before calling register_capi_driver(): char name[32] - the name of the driver, as a zero terminated ASCII string + the name of the driver, as a zero-terminated ASCII string char revision[32] - the revision number of the driver, as a zero terminated ASCII string + the revision number of the driver, as a zero-terminated ASCII string int (*add_card)(struct capi_driver *driver, capicardparams *data) a callback function pointer (may be NULL) @@ -100,10 +106,10 @@ void *driverdata an opaque pointer to driver specific data, not touched by Kernel CAPI char name[32] - the name of the controller, as a zero terminated ASCII string + the name of the controller, as a zero-terminated ASCII string char *driver_name - the name of the driver, as a zero terminated ASCII string + the name of the driver, as a zero-terminated ASCII string int (*load_firmware)(struct capi_ctr *ctrlr, capiloaddata *ldata) (optional) pointer to a callback function for sending firmware and From 45c06543afe2772c02f21efee0e2138b4e1c911e Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 27 Apr 2009 07:49:10 -0400 Subject: [PATCH 126/478] Btrfs: remove unused btrfs_bit_radix slab Signed-off-by: Chris Mason --- fs/btrfs/inode.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 552e08afc7fb..98bd5069d54a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -70,7 +70,6 @@ static struct extent_io_ops btrfs_extent_io_ops; static struct kmem_cache *btrfs_inode_cachep; struct kmem_cache *btrfs_trans_handle_cachep; struct kmem_cache *btrfs_transaction_cachep; -struct kmem_cache *btrfs_bit_radix_cachep; struct kmem_cache *btrfs_path_cachep; #define S_SHIFT 12 @@ -4641,8 +4640,6 @@ void btrfs_destroy_cachep(void) kmem_cache_destroy(btrfs_trans_handle_cachep); if (btrfs_transaction_cachep) kmem_cache_destroy(btrfs_transaction_cachep); - if (btrfs_bit_radix_cachep) - kmem_cache_destroy(btrfs_bit_radix_cachep); if (btrfs_path_cachep) kmem_cache_destroy(btrfs_path_cachep); } @@ -4673,11 +4670,6 @@ int btrfs_init_cachep(void) if (!btrfs_path_cachep) goto fail; - btrfs_bit_radix_cachep = kmem_cache_create("btrfs_radix", 256, 0, - SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD | - SLAB_DESTROY_BY_RCU, NULL); - if (!btrfs_bit_radix_cachep) - goto fail; return 0; fail: btrfs_destroy_cachep(); From e63b6a6c0ffa2ebd8617cc1a10969000296831aa Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 21 Apr 2009 12:38:30 -0700 Subject: [PATCH 127/478] Btrfs: Fix a trivial warning using max() of u64 vs ULL. A small warning popped up on ia64 because inode-map.c was comparing a u64 object id with the ULL FIRST_FREE_OBJECTID. My first thought was that all the OBJECTID constants should contain the u64 cast because btrfs code deals entirely in u64s. But then I saw how large that was, and figured I'd just fix the max() call. Signed-off-by: Joel Becker Signed-off-by: Chris Mason --- fs/btrfs/inode-map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index cc7334d833c9..9abbced1123d 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -79,7 +79,7 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans, } path = btrfs_alloc_path(); BUG_ON(!path); - search_start = max(search_start, BTRFS_FIRST_FREE_OBJECTID); + search_start = max(search_start, (u64)BTRFS_FIRST_FREE_OBJECTID); search_key.objectid = search_start; search_key.type = 0; search_key.offset = 0; From 21380931eb4da4e29ac663d0221581282cbba208 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 21 Apr 2009 12:38:29 -0700 Subject: [PATCH 128/478] Btrfs: Fix a bunch of printk() warnings. Just happened to notice a bunch of %llu vs u64 warnings. Here's a patch to cast them all. Signed-off-by: Joel Becker Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 6 +++--- fs/btrfs/extent-tree.c | 21 ++++++++++++++------- fs/btrfs/free-space-cache.c | 15 ++++++++++----- fs/btrfs/ioctl.c | 6 ++++-- fs/btrfs/super.c | 15 +++++++++------ 5 files changed, 40 insertions(+), 23 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index aa0c259b9c28..0ff16d3331da 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1671,7 +1671,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, if (features) { printk(KERN_ERR "BTRFS: couldn't mount because of " "unsupported optional features (%Lx).\n", - features); + (unsigned long long)features); err = -EINVAL; goto fail_iput; } @@ -1681,7 +1681,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, if (!(sb->s_flags & MS_RDONLY) && features) { printk(KERN_ERR "BTRFS: couldn't mount RDWR because of " "unsupported option features (%Lx).\n", - features); + (unsigned long long)features); err = -EINVAL; goto fail_iput; } @@ -2273,7 +2273,7 @@ int close_ctree(struct btrfs_root *root) if (fs_info->delalloc_bytes) { printk(KERN_INFO "btrfs: at unmount delalloc count %llu\n", - fs_info->delalloc_bytes); + (unsigned long long)fs_info->delalloc_bytes); } if (fs_info->total_ref_cache_size) { printk(KERN_INFO "btrfs: at umount reference cache size %llu\n", diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 2895a8373232..e4966444811b 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1844,10 +1844,14 @@ again: printk(KERN_ERR "no space left, need %llu, %llu delalloc bytes" ", %llu bytes_used, %llu bytes_reserved, " "%llu bytes_pinned, %llu bytes_readonly, %llu may use" - "%llu total\n", bytes, data_sinfo->bytes_delalloc, - data_sinfo->bytes_used, data_sinfo->bytes_reserved, - data_sinfo->bytes_pinned, data_sinfo->bytes_readonly, - data_sinfo->bytes_may_use, data_sinfo->total_bytes); + "%llu total\n", (unsigned long long)bytes, + (unsigned long long)data_sinfo->bytes_delalloc, + (unsigned long long)data_sinfo->bytes_used, + (unsigned long long)data_sinfo->bytes_reserved, + (unsigned long long)data_sinfo->bytes_pinned, + (unsigned long long)data_sinfo->bytes_readonly, + (unsigned long long)data_sinfo->bytes_may_use, + (unsigned long long)data_sinfo->total_bytes); return -ENOSPC; } data_sinfo->bytes_may_use += bytes; @@ -2824,9 +2828,12 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes) info->bytes_pinned - info->bytes_reserved), (info->full) ? "" : "not "); printk(KERN_INFO "space_info total=%llu, pinned=%llu, delalloc=%llu," - " may_use=%llu, used=%llu\n", info->total_bytes, - info->bytes_pinned, info->bytes_delalloc, info->bytes_may_use, - info->bytes_used); + " may_use=%llu, used=%llu\n", + (unsigned long long)info->total_bytes, + (unsigned long long)info->bytes_pinned, + (unsigned long long)info->bytes_delalloc, + (unsigned long long)info->bytes_may_use, + (unsigned long long)info->bytes_used); down_read(&info->groups_sem); list_for_each_entry(cache, &info->block_groups, list) { diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 768b9523662d..0bc93657b460 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -332,13 +332,17 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, printk(KERN_ERR "couldn't find space %llu to free\n", (unsigned long long)offset); printk(KERN_ERR "cached is %d, offset %llu bytes %llu\n", - block_group->cached, block_group->key.objectid, - block_group->key.offset); + block_group->cached, + (unsigned long long)block_group->key.objectid, + (unsigned long long)block_group->key.offset); btrfs_dump_free_space(block_group, bytes); } else if (info) { printk(KERN_ERR "hmm, found offset=%llu bytes=%llu, " "but wanted offset=%llu bytes=%llu\n", - info->offset, info->bytes, offset, bytes); + (unsigned long long)info->offset, + (unsigned long long)info->bytes, + (unsigned long long)offset, + (unsigned long long)bytes); } WARN_ON(1); } @@ -357,8 +361,9 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, info = rb_entry(n, struct btrfs_free_space, offset_index); if (info->bytes >= bytes) count++; - printk(KERN_ERR "entry offset %llu, bytes %llu\n", info->offset, - info->bytes); + printk(KERN_ERR "entry offset %llu, bytes %llu\n", + (unsigned long long)info->offset, + (unsigned long long)info->bytes); } printk(KERN_INFO "%d blocks of free space at or bigger than bytes is" "\n", count); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index f4e5d2e5ece6..48762aa1e945 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -483,11 +483,13 @@ static int btrfs_ioctl_resize(struct btrfs_root *root, void __user *arg) *devstr = '\0'; devstr = vol_args->name; devid = simple_strtoull(devstr, &end, 10); - printk(KERN_INFO "resizing devid %llu\n", devid); + printk(KERN_INFO "resizing devid %llu\n", + (unsigned long long)devid); } device = btrfs_find_device(root, devid, NULL, NULL); if (!device) { - printk(KERN_INFO "resizer unable to find device %llu\n", devid); + printk(KERN_INFO "resizer unable to find device %llu\n", + (unsigned long long)devid); ret = -EINVAL; goto out_unlock; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 30c9a8ca2a54..bf0e84c75607 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -196,7 +196,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) info->max_extent = max_t(u64, info->max_extent, root->sectorsize); printk(KERN_INFO "btrfs: max_extent at %llu\n", - info->max_extent); + (unsigned long long)info->max_extent); } break; case Opt_max_inline: @@ -211,7 +211,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) root->sectorsize); } printk(KERN_INFO "btrfs: max_inline at %llu\n", - info->max_inline); + (unsigned long long)info->max_inline); } break; case Opt_alloc_start: @@ -221,7 +221,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) kfree(num); printk(KERN_INFO "btrfs: allocations start at %llu\n", - info->alloc_start); + (unsigned long long)info->alloc_start); } break; case Opt_noacl: @@ -420,11 +420,14 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) if (btrfs_test_opt(root, NOBARRIER)) seq_puts(seq, ",nobarrier"); if (info->max_extent != (u64)-1) - seq_printf(seq, ",max_extent=%llu", info->max_extent); + seq_printf(seq, ",max_extent=%llu", + (unsigned long long)info->max_extent); if (info->max_inline != 8192 * 1024) - seq_printf(seq, ",max_inline=%llu", info->max_inline); + seq_printf(seq, ",max_inline=%llu", + (unsigned long long)info->max_inline); if (info->alloc_start != 0) - seq_printf(seq, ",alloc_start=%llu", info->alloc_start); + seq_printf(seq, ",alloc_start=%llu", + (unsigned long long)info->alloc_start); if (info->thread_pool_size != min_t(unsigned long, num_online_cpus() + 2, 8)) seq_printf(seq, ",thread_pool=%d", info->thread_pool_size); From c9503e0fe052020e0294cd07d0ecd982eb7c9177 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Mon, 27 Apr 2009 05:42:24 -0700 Subject: [PATCH 129/478] ipv4: Limit size of route cache hash table Right now we have no upper limit on the size of the route cache hash table. On a 128GB POWER6 box it ends up as 32MB: IP route cache hash table entries: 4194304 (order: 9, 33554432 bytes) It would be nice to cap this for memory consumption reasons, but a massive hashtable also causes a significant spike when measuring OS jitter. With a 32MB hashtable and 4 million entries, rt_worker_func is taking 5 ms to complete. On another system with more memory it's taking 14 ms. Even though rt_worker_func does call cond_sched() to limit its impact, in an HPC environment we want to keep all sources of OS jitter to a minimum. With the patch applied we limit the number of entries to 512k which can still be overriden by using the rt_entries boot option: IP route cache hash table entries: 524288 (order: 6, 4194304 bytes) With this patch rt_worker_func now takes 0.460 ms on the same system. Signed-off-by: Anton Blanchard Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index c40debe51b38..c4c60e9f068a 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3397,7 +3397,7 @@ int __init ip_rt_init(void) 0, &rt_hash_log, &rt_hash_mask, - 0); + rhash_entries ? 0 : 512 * 1024); memset(rt_hash_table, 0, (rt_hash_mask + 1) * sizeof(struct rt_hash_bucket)); rt_hash_lock_init(); From 37b607c5ac3b7c92a6a3624bb29f1cdcdcf7044a Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Mon, 27 Apr 2009 05:45:54 -0700 Subject: [PATCH 130/478] net: Fix typo in net_device_ops description. Signed-off-by: Mike Rapoport Signed-off-by: David S. Miller --- include/linux/netdevice.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 453be9a674c0..5a96a1a406e9 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -500,7 +500,7 @@ struct netdev_queue { * * int (*ndo_set_mac_address)(struct net_device *dev, void *addr); * This function is called when the Media Access Control address - * needs to be changed. If not this interface is not defined, the + * needs to be changed. If this interface is not defined, the * mac address can not be changed. * * int (*ndo_validate_addr)(struct net_device *dev); From 96bcc722c47d07b6fd05c9d0cb3ab8ea5574c5b1 Mon Sep 17 00:00:00 2001 From: Peter Jones Date: Fri, 11 Jul 2008 16:17:05 -0400 Subject: [PATCH 131/478] [SCSI] sr: report more accurate drive status after closing the tray. So, what's happening here is that the drive is reporting a sense of 2/4/1 ("logical unit is becoming ready") from sr_test_unit_ready(), and then we ask for the media event notification before checking that result at all. The check_media_event_descriptor() call isn't getting a check condition, but it's also reporting that the tray is closed and that there's no media. In actuality it doesn't yet know if there's media or not, but there's no way to express that in the media event status field. My current thought is that if it told us the device isn't yet ready, we should return that immediately, since there's nothing that'll tell us any more data than that reliably: Signed-off-by: James Bottomley --- drivers/scsi/sr_ioctl.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index d92ff512d213..291236e6e435 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -309,6 +309,11 @@ int sr_drive_status(struct cdrom_device_info *cdi, int slot) if (0 == sr_test_unit_ready(cd->device, &sshdr)) return CDS_DISC_OK; + /* SK/ASC/ASCQ of 2/4/1 means "unit is becoming ready" */ + if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY + && sshdr.asc == 0x04 && sshdr.ascq == 0x01) + return CDS_DRIVE_NOT_READY; + if (!cdrom_get_media_event(cdi, &med)) { if (med.media_present) return CDS_DISC_OK; From e7ee4cc04b058d1eae9c1ac359031301b1798e3f Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sat, 4 Apr 2009 00:35:42 +0900 Subject: [PATCH 132/478] [SCSI] sg: return EFAULT for an invalid user address blk_rq_unmap_user() returns EFAULT if a program passes an invalid address to kernel (the kernel fails to copy data to user space). sg needs to pass the returned value to user space instead of ignoring it. Before the block layer conversion, sg returns EFAULT properly. This restores the old behavior. Signed-off-by: FUJITA Tomonori Acked-by: Douglas Gilbert Signed-off-by: James Bottomley --- drivers/scsi/sg.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 82312df9b0bf..e1716f14cd47 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -179,7 +179,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */ /* tasklet or soft irq callback */ static void sg_rq_end_io(struct request *rq, int uptodate); static int sg_start_req(Sg_request *srp, unsigned char *cmd); -static void sg_finish_rem_req(Sg_request * srp); +static int sg_finish_rem_req(Sg_request * srp); static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size); static ssize_t sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp); @@ -518,7 +518,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) goto err_out; } err_out: - sg_finish_rem_req(srp); + err = sg_finish_rem_req(srp); return (0 == err) ? count : err; } @@ -1696,9 +1696,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) return res; } -static void -sg_finish_rem_req(Sg_request * srp) +static int sg_finish_rem_req(Sg_request * srp) { + int ret = 0; + Sg_fd *sfp = srp->parentfp; Sg_scatter_hold *req_schp = &srp->data; @@ -1710,12 +1711,14 @@ sg_finish_rem_req(Sg_request * srp) if (srp->rq) { if (srp->bio) - blk_rq_unmap_user(srp->bio); + ret = blk_rq_unmap_user(srp->bio); blk_put_request(srp->rq); } sg_remove_request(sfp, srp); + + return ret; } static int From 3621a710a7dbb2d22a8e95d94bcf0c2d13ef57fc Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 6 Apr 2009 18:47:14 -0400 Subject: [PATCH 133/478] [SCSI] lpfc 8.3.1 : Fix up kernel-doc function comments Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_attr.c | 199 +++++++++++++++---------------- drivers/scsi/lpfc/lpfc_debugfs.c | 40 +++---- drivers/scsi/lpfc/lpfc_els.c | 170 +++++++++++++------------- drivers/scsi/lpfc/lpfc_hbadisc.c | 8 +- drivers/scsi/lpfc/lpfc_init.c | 101 ++++++++-------- drivers/scsi/lpfc/lpfc_mbox.c | 63 +++++----- drivers/scsi/lpfc/lpfc_mem.c | 19 ++- drivers/scsi/lpfc/lpfc_scsi.c | 79 ++++++------ drivers/scsi/lpfc/lpfc_sli.c | 180 +++++++++++++--------------- drivers/scsi/lpfc/lpfc_vport.c | 10 +- 10 files changed, 424 insertions(+), 445 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 40cf0f4f327f..69296cd6e9d7 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -51,7 +51,7 @@ #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" /** - * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules. + * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules * @incr: integer to convert. * @hdw: ascii string holding converted integer plus a string terminator. * @@ -82,7 +82,7 @@ lpfc_jedec_to_ascii(int incr, char hdw[]) } /** - * lpfc_drvr_version_show: Return the Emulex driver string with version number. + * lpfc_drvr_version_show - Return the Emulex driver string with version number * @dev: class unused variable. * @attr: device attribute, not used. * @buf: on return contains the module description text. @@ -152,7 +152,7 @@ lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_info_show: Return some pci info about the host in ascii. + * lpfc_info_show - Return some pci info about the host in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text from lpfc_info(). @@ -169,7 +169,7 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_serialnum_show: Return the hba serial number in ascii. + * lpfc_serialnum_show - Return the hba serial number in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text serial number. @@ -188,7 +188,7 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_temp_sensor_show: Return the temperature sensor level. + * lpfc_temp_sensor_show - Return the temperature sensor level * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted support level. @@ -210,7 +210,7 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modeldesc_show: Return the model description of the hba. + * lpfc_modeldesc_show - Return the model description of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model description. @@ -229,7 +229,7 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modelname_show: Return the model name of the hba. + * lpfc_modelname_show - Return the model name of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model name. @@ -248,7 +248,7 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_programtype_show: Return the program type of the hba. + * lpfc_programtype_show - Return the program type of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -267,7 +267,7 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag. + * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the Menlo Maintenance sli flag. @@ -286,7 +286,7 @@ lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_vportnum_show: Return the port number in ascii of the hba. + * lpfc_vportnum_show - Return the port number in ascii of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains scsi vpd program type. @@ -305,7 +305,7 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_fwrev_show: Return the firmware rev running in the hba. + * lpfc_fwrev_show - Return the firmware rev running in the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -326,7 +326,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_hdw_show: Return the jedec information about the hba. + * lpfc_hdw_show - Return the jedec information about the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -347,7 +347,7 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_option_rom_version_show: Return the adapter ROM FCode version. + * lpfc_option_rom_version_show - Return the adapter ROM FCode version * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the ROM and FCode ascii strings. @@ -366,7 +366,7 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_state_show: Return the link state of the port. + * lpfc_state_show - Return the link state of the port * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains text describing the state of the link. @@ -451,7 +451,7 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports. + * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the sum of fc mapped and unmapped. @@ -474,7 +474,7 @@ lpfc_num_discovered_ports_show(struct device *dev, } /** - * lpfc_issue_lip: Misnomer, name carried over from long ago. + * lpfc_issue_lip - Misnomer, name carried over from long ago * @shost: Scsi_Host pointer. * * Description: @@ -529,7 +529,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) } /** - * lpfc_do_offline: Issues a mailbox command to bring the link down. + * lpfc_do_offline - Issues a mailbox command to bring the link down * @phba: lpfc_hba pointer. * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. * @@ -537,7 +537,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) * Assumes any error from lpfc_do_offline() will be negative. * Can wait up to 5 seconds for the port ring buffers count * to reach zero, prints a warning if it is not zero and continues. - * lpfc_workq_post_event() returns a non-zero return coce if call fails. + * lpfc_workq_post_event() returns a non-zero return code if call fails. * * Returns: * -EIO error posting the event @@ -591,7 +591,7 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) } /** - * lpfc_selective_reset: Offline then onlines the port. + * lpfc_selective_reset - Offline then onlines the port * @phba: lpfc_hba pointer. * * Description: @@ -632,7 +632,7 @@ lpfc_selective_reset(struct lpfc_hba *phba) } /** - * lpfc_issue_reset: Selectively resets an adapter. + * lpfc_issue_reset - Selectively resets an adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string "selective". @@ -672,7 +672,7 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nport_evt_cnt_show: Return the number of nport events. + * lpfc_nport_evt_cnt_show - Return the number of nport events * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the ascii number of nport events. @@ -691,7 +691,7 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_show: Return the state of the board. + * lpfc_board_mode_show - Return the state of the board * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the state of the adapter. @@ -720,7 +720,7 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state. + * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing one of the strings "online", "offline", "warm" or "error". @@ -766,14 +766,14 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_get_hba_info: Return various bits of informaton about the adapter. + * lpfc_get_hba_info - Return various bits of informaton about the adapter * @phba: pointer to the adapter structure. - * @mxri max xri count. - * @axri available xri count. - * @mrpi max rpi count. - * @arpi available rpi count. - * @mvpi max vpi count. - * @avpi available vpi count. + * @mxri: max xri count. + * @axri: available xri count. + * @mrpi: max rpi count. + * @arpi: available rpi count. + * @mvpi: max vpi count. + * @avpi: available vpi count. * * Description: * If an integer pointer for an count is not null then the value for the @@ -846,7 +846,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba, } /** - * lpfc_max_rpi_show: Return maximum rpi. + * lpfc_max_rpi_show - Return maximum rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum rpi count in decimal or "Unknown". @@ -874,7 +874,7 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_rpi_show: Return maximum rpi minus available rpi. + * lpfc_used_rpi_show - Return maximum rpi minus available rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the used rpi count in decimal or "Unknown". @@ -902,7 +902,7 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_xri_show: Return maximum xri. + * lpfc_max_xri_show - Return maximum xri * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum xri count in decimal or "Unknown". @@ -930,7 +930,7 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_xri_show: Return maximum xpi minus the available xpi. + * lpfc_used_xri_show - Return maximum xpi minus the available xpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used xri count in decimal or "Unknown". @@ -958,7 +958,7 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_vpi_show: Return maximum vpi. + * lpfc_max_vpi_show - Return maximum vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum vpi count in decimal or "Unknown". @@ -986,7 +986,7 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_vpi_show: Return maximum vpi minus the available vpi. + * lpfc_used_vpi_show - Return maximum vpi minus the available vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used vpi count in decimal or "Unknown". @@ -1014,7 +1014,7 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_npiv_info_show: Return text about NPIV support for the adapter. + * lpfc_npiv_info_show - Return text about NPIV support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: text that must be interpreted to determine if npiv is supported. @@ -1042,7 +1042,7 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_show: Return text about poll support for the adapter. + * lpfc_poll_show - Return text about poll support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the cfg_poll in hex. @@ -1064,7 +1064,7 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_store: Set the value of cfg_poll for the adapter. + * lpfc_poll_store - Set the value of cfg_poll for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: one or more lpfc_polling_flags values. @@ -1136,7 +1136,7 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_param_show: Return a cfg attribute value in decimal. + * lpfc_param_show - Return a cfg attribute value in decimal * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1164,7 +1164,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_hex_show: Return a cfg attribute value in hex. + * lpfc_param_hex_show - Return a cfg attribute value in hex * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1173,7 +1173,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: size of formatted string. **/ @@ -1192,7 +1192,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_init: Intializes a cfg attribute. + * lpfc_param_init - Intializes a cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1226,7 +1226,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_set: Set a cfg attribute value. + * lpfc_param_set - Set a cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1260,7 +1260,7 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_store: Set a vport attribute value. + * lpfc_param_store - Set a vport attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1300,7 +1300,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_show: Return decimal formatted cfg attribute value. + * lpfc_vport_param_show - Return decimal formatted cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1326,17 +1326,17 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_hex_show: Return hex formatted attribute value. + * lpfc_vport_param_hex_show - Return hex formatted attribute value * * Description: * Macro that given an attr e.g. * hba_queue_depth expands into a function with the name * lpfc_hba_queue_depth_show * - * lpfc_##attr##_show: prints the attribute value in hexidecimal. + * lpfc_##attr##_show: prints the attribute value in hexadecimal. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: length of formatted string. **/ @@ -1353,7 +1353,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_init: Initialize a vport cfg attribute. + * lpfc_vport_param_init - Initialize a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1386,7 +1386,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_set: Set a vport cfg attribute. + * lpfc_vport_param_set - Set a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1417,7 +1417,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_store: Set a vport attribute. + * lpfc_vport_param_store - Set a vport attribute * * Description: * Macro that given an attr e.g. hba_queue_depth @@ -1576,7 +1576,7 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); static char *lpfc_soft_wwn_key = "C99G71SL8032A"; /** - * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid. + * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string lpfc_soft_wwn_key. @@ -1623,10 +1623,10 @@ static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, lpfc_soft_wwn_enable_store); /** - * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter. + * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the wwpn in hexidecimal. + * @buf: on return contains the wwpn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1643,10 +1643,10 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwpn_store: Set the ww port name of the adapter. + * lpfc_soft_wwpn_store - Set the ww port name of the adapter * @dev class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: contains the wwpn in hexidecimal. + * @buf: contains the wwpn in hexadecimal. * @count: number of wwpn bytes in buf * * Returns: @@ -1729,10 +1729,10 @@ static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); /** - * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter. + * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the wwnn in hexidecimal. + * @buf: on return contains the wwnn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1747,9 +1747,9 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwnn_store: sets the ww node name of the adapter. + * lpfc_soft_wwnn_store - sets the ww node name of the adapter * @cdev: class device that is converted into a Scsi_host. - * @buf: contains the ww node name in hexidecimal. + * @buf: contains the ww node name in hexadecimal. * @count: number of wwnn bytes in buf. * * Returns: @@ -1845,7 +1845,7 @@ MODULE_PARM_DESC(lpfc_nodev_tmo, "for a device to come back"); /** - * lpfc_nodev_tmo_show: Return the hba dev loss timeout value. + * lpfc_nodev_tmo_show - Return the hba dev loss timeout value * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the dev loss timeout in decimal. @@ -1864,7 +1864,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nodev_tmo_init: Set the hba nodev timeout value. + * lpfc_nodev_tmo_init - Set the hba nodev timeout value * @vport: lpfc vport structure pointer. * @val: contains the nodev timeout value. * @@ -1905,7 +1905,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) } /** - * lpfc_update_rport_devloss_tmo: Update dev loss tmo value. + * lpfc_update_rport_devloss_tmo - Update dev loss tmo value * @vport: lpfc vport structure pointer. * * Description: @@ -1926,7 +1926,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) } /** - * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values. + * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -1982,7 +1982,7 @@ lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, lpfc_vport_param_show(devloss_tmo) /** - * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit. + * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -2094,7 +2094,7 @@ MODULE_PARM_DESC(lpfc_restrict_login, lpfc_vport_param_show(restrict_login); /** - * lpfc_restrict_login_init: Set the vport restrict login flag. + * lpfc_restrict_login_init - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2128,7 +2128,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val) } /** - * lpfc_restrict_login_set: Set the vport restrict login flag. + * lpfc_restrict_login_set - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2201,7 +2201,7 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, */ /** - * lpfc_topology_set: Set the adapters topology field. + * lpfc_topology_set - Set the adapters topology field * @phba: lpfc_hba pointer. * @val: topology value. * @@ -2246,8 +2246,7 @@ static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, /** - * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl - * sysfs file. + * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device. * @buf: Data buffer. * @count: Size of the data buffer. @@ -2411,8 +2410,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, /** - * lpfc_stat_data_ctrl_show: Read callback function for - * lpfc_stat_data_ctrl sysfs file. + * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device object. * @buf: Data buffer. * @@ -2489,8 +2487,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, /** - * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data - * sysfs attribute. + * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute * @kobj: Pointer to the kernel object * @bin_attr: Attribute object * @buff: Buffer pointer @@ -2585,7 +2582,7 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { */ /** - * lpfc_link_speed_set: Set the adapters link speed. + * lpfc_link_speed_set - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2637,7 +2634,7 @@ MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); lpfc_param_show(link_speed) /** - * lpfc_link_speed_init: Set the adapters link speed. + * lpfc_link_speed_init - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2865,7 +2862,7 @@ MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); /* - * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count + * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count * This value can be set to values between 64 and 256. The default value is * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). @@ -2967,7 +2964,7 @@ struct device_attribute *lpfc_vport_attrs[] = { }; /** - * sysfs_ctlreg_write: Write method for writing to ctlreg. + * sysfs_ctlreg_write - Write method for writing to ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to the adapter IOREG space. @@ -3017,7 +3014,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_ctlreg_read: Read method for reading from ctlreg. + * sysfs_ctlreg_read - Read method for reading from ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: if succesful contains the data from the adapter IOREG space. @@ -3078,7 +3075,7 @@ static struct bin_attribute sysfs_ctlreg_attr = { }; /** - * sysfs_mbox_idle: frees the sysfs mailbox. + * sysfs_mbox_idle - frees the sysfs mailbox * @phba: lpfc_hba pointer **/ static void @@ -3095,7 +3092,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba) } /** - * sysfs_mbox_write: Write method for writing information via mbox. + * sysfs_mbox_write - Write method for writing information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to sysfs mbox. @@ -3170,7 +3167,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_mbox_read: Read method for reading information via mbox. + * sysfs_mbox_read - Read method for reading information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be read from sysfs mbox. @@ -3374,7 +3371,7 @@ static struct bin_attribute sysfs_mbox_attr = { }; /** - * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries. + * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries * @vport: address of lpfc vport structure. * * Return codes: @@ -3415,7 +3412,7 @@ out: } /** - * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries. + * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries * @vport: address of lpfc vport structure. **/ void @@ -3437,7 +3434,7 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) */ /** - * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id. + * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id * @shost: kernel scsi host pointer. **/ static void @@ -3450,7 +3447,7 @@ lpfc_get_host_port_id(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_type: Set the value of the scsi host port type. + * lpfc_get_host_port_type - Set the value of the scsi host port type * @shost: kernel scsi host pointer. **/ static void @@ -3482,7 +3479,7 @@ lpfc_get_host_port_type(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_state: Set the value of the scsi host port state. + * lpfc_get_host_port_state - Set the value of the scsi host port state * @shost: kernel scsi host pointer. **/ static void @@ -3520,7 +3517,7 @@ lpfc_get_host_port_state(struct Scsi_Host *shost) } /** - * lpfc_get_host_speed: Set the value of the scsi host speed. + * lpfc_get_host_speed - Set the value of the scsi host speed * @shost: kernel scsi host pointer. **/ static void @@ -3556,7 +3553,7 @@ lpfc_get_host_speed(struct Scsi_Host *shost) } /** - * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name. + * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name * @shost: kernel scsi host pointer. **/ static void @@ -3582,7 +3579,7 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost) } /** - * lpfc_get_stats: Return statistical information about the adapter. + * lpfc_get_stats - Return statistical information about the adapter * @shost: kernel scsi host pointer. * * Notes: @@ -3707,7 +3704,7 @@ lpfc_get_stats(struct Scsi_Host *shost) } /** - * lpfc_reset_stats: Copy the adapter link stats information. + * lpfc_reset_stats - Copy the adapter link stats information * @shost: kernel scsi host pointer. **/ static void @@ -3788,7 +3785,7 @@ lpfc_reset_stats(struct Scsi_Host *shost) */ /** - * lpfc_get_node_by_target: Return the nodelist for a target. + * lpfc_get_node_by_target - Return the nodelist for a target * @starget: kernel scsi target pointer. * * Returns: @@ -3817,7 +3814,7 @@ lpfc_get_node_by_target(struct scsi_target *starget) } /** - * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1. + * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 * @starget: kernel scsi target pointer. **/ static void @@ -3829,7 +3826,7 @@ lpfc_get_starget_port_id(struct scsi_target *starget) } /** - * lpfc_get_starget_node_name: Set the target node name. + * lpfc_get_starget_node_name - Set the target node name * @starget: kernel scsi target pointer. * * Description: Set the target node name to the ndlp node name wwn or zero. @@ -3844,7 +3841,7 @@ lpfc_get_starget_node_name(struct scsi_target *starget) } /** - * lpfc_get_starget_port_name: Set the target port name. + * lpfc_get_starget_port_name - Set the target port name * @starget: kernel scsi target pointer. * * Description: set the target port name to the ndlp port name wwn or zero. @@ -3859,7 +3856,7 @@ lpfc_get_starget_port_name(struct scsi_target *starget) } /** - * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo. + * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo * @rport: fc rport address. * @timeout: new value for dev loss tmo. * @@ -3877,7 +3874,7 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) } /** - * lpfc_rport_show_function: Return rport target information. + * lpfc_rport_show_function - Return rport target information * * Description: * Macro that uses field to generate a function with the name lpfc_show_rport_ @@ -3905,7 +3902,7 @@ lpfc_show_rport_##field (struct device *dev, \ static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) /** - * lpfc_set_vport_symbolic_name: Set the vport's symbolic name. + * lpfc_set_vport_symbolic_name - Set the vport's symbolic name * @fc_vport: The fc_vport who's symbolic name has been changed. * * Description: @@ -4048,7 +4045,7 @@ struct fc_function_template lpfc_vport_transport_functions = { }; /** - * lpfc_get_cfgparam: Used during probe_one to init the adapter structure. + * lpfc_get_cfgparam - Used during probe_one to init the adapter structure * @phba: lpfc_hba pointer. **/ void @@ -4097,7 +4094,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) } /** - * lpfc_get_vport_cfgparam: Used during port create, init the vport structure. + * lpfc_get_vport_cfgparam - Used during port create, init the vport structure * @vport: lpfc_vport pointer. **/ void diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 81cdcf46c471..abb870e595b3 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -47,7 +47,7 @@ #include "lpfc_debugfs.h" #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -/** +/* * debugfs interface * * To access this interface the user should: @@ -127,7 +127,7 @@ static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); static unsigned long lpfc_debugfs_start_time = 0L; /** - * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer. + * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer * @vport: The vport to gather the log info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -187,7 +187,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) } /** - * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer. + * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer * @phba: The HBA to gather the log info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -250,7 +250,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) static int lpfc_debugfs_last_hbq = -1; /** - * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer. + * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer * @phba: The HBA to gather host buffer info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -369,7 +369,7 @@ skipit: static int lpfc_debugfs_last_hba_slim_off; /** - * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer. + * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer * @phba: The HBA to gather SLIM info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -426,7 +426,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) } /** - * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer. + * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer * @phba: The HBA to gather Host SLIM info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -501,7 +501,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) } /** - * lpfc_debugfs_nodelist_data - Dump target node list to a buffer. + * lpfc_debugfs_nodelist_data - Dump target node list to a buffer * @vport: The vport to gather target node info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -599,7 +599,7 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) #endif /** - * lpfc_debugfs_disc_trc - Store discovery trace log. + * lpfc_debugfs_disc_trc - Store discovery trace log * @vport: The vport to associate this trace string with for retrieval. * @mask: Log entry classification. * @fmt: Format string to be displayed when dumping the log. @@ -643,7 +643,7 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, } /** - * lpfc_debugfs_slow_ring_trc - Store slow ring trace log. + * lpfc_debugfs_slow_ring_trc - Store slow ring trace log * @phba: The phba to associate this trace string with for retrieval. * @fmt: Format string to be displayed when dumping the log. * @data1: 1st data parameter to be applied to @fmt. @@ -682,7 +682,7 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, #ifdef CONFIG_SCSI_LPFC_DEBUG_FS /** - * lpfc_debugfs_disc_trc_open - Open the discovery trace log. + * lpfc_debugfs_disc_trc_open - Open the discovery trace log * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -732,7 +732,7 @@ out: } /** - * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log. + * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -782,7 +782,7 @@ out: } /** - * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer. + * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -824,7 +824,7 @@ out: } /** - * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer. + * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -866,7 +866,7 @@ out: } /** - * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer. + * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -993,7 +993,7 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, /** - * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file. + * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -1035,7 +1035,7 @@ out: } /** - * lpfc_debugfs_lseek - Seek through a debugfs file. + * lpfc_debugfs_lseek - Seek through a debugfs file * @file: The file pointer to seek through. * @off: The offset to seek to or the amount to seek by. * @whence: Indicates how to seek. @@ -1073,7 +1073,7 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) } /** - * lpfc_debugfs_read - Read a debugfs file. + * lpfc_debugfs_read - Read a debugfs file * @file: The file pointer to read from. * @buf: The buffer to copy the data to. * @nbytes: The number of bytes to read. @@ -1098,7 +1098,7 @@ lpfc_debugfs_read(struct file *file, char __user *buf, } /** - * lpfc_debugfs_release - Release the buffer used to store debugfs file data. + * lpfc_debugfs_release - Release the buffer used to store debugfs file data * @inode: The inode pointer that contains a vport pointer. (unused) * @file: The file pointer that contains the buffer to release. * @@ -1210,7 +1210,7 @@ static atomic_t lpfc_debugfs_hba_count; #endif /** - * lpfc_debugfs_initialize - Initialize debugfs for a vport. + * lpfc_debugfs_initialize - Initialize debugfs for a vport * @vport: The vport pointer to initialize. * * Description: @@ -1434,7 +1434,7 @@ debug_failed: } /** - * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport. + * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport * @vport: The vport pointer to remove from debugfs. * * Description: diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a7302480bc4a..d32c98bcf0c5 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -55,7 +55,7 @@ static void lpfc_register_new_vport(struct lpfc_hba *phba, static int lpfc_max_els_tries = 3; /** - * lpfc_els_chk_latt: Check host link attention event for a vport. + * lpfc_els_chk_latt - Check host link attention event for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether there is an outstanding host link @@ -116,7 +116,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) } /** - * lpfc_prep_els_iocb: Allocate and prepare a lpfc iocb data structure. + * lpfc_prep_els_iocb - Allocate and prepare a lpfc iocb data structure * @vport: pointer to a host virtual N_Port data structure. * @expectRsp: flag indicating whether response is expected. * @cmdSize: size of the ELS command. @@ -290,7 +290,7 @@ els_iocb_free_pcmb_exit: } /** - * lpfc_issue_fabric_reglogin: Issue fabric registration login for a vport. + * lpfc_issue_fabric_reglogin - Issue fabric registration login for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues a fabric registration login for a @vport. An @@ -386,7 +386,7 @@ fail: } /** - * lpfc_cmpl_els_flogi_fabric: Completion function for flogi to a fabric port. + * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. @@ -509,7 +509,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_flogi_nport: Completion function for flogi to an N_Port. + * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. @@ -626,7 +626,7 @@ fail: } /** - * lpfc_cmpl_els_flogi: Completion callback function for flogi. + * lpfc_cmpl_els_flogi - Completion callback function for flogi * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -751,7 +751,7 @@ out: } /** - * lpfc_issue_els_flogi: Issue an flogi iocb command for a vport. + * lpfc_issue_els_flogi - Issue an flogi iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -849,7 +849,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_els_abort_flogi: Abort all outstanding flogi iocbs. + * lpfc_els_abort_flogi - Abort all outstanding flogi iocbs * @phba: pointer to lpfc hba data structure. * * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs @@ -898,7 +898,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) } /** - * lpfc_initial_flogi: Issue an initial fabric login for a vport. + * lpfc_initial_flogi - Issue an initial fabric login for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues an initial Fabric Login (FLOGI) for the @vport @@ -949,7 +949,7 @@ lpfc_initial_flogi(struct lpfc_vport *vport) } /** - * lpfc_initial_fdisc: Issue an initial fabric discovery for a vport. + * lpfc_initial_fdisc - Issue an initial fabric discovery for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues an initial Fabric Discover (FDISC) for the @vport @@ -998,7 +998,7 @@ lpfc_initial_fdisc(struct lpfc_vport *vport) } /** - * lpfc_more_plogi: Check and issue remaining plogis for a vport. + * lpfc_more_plogi - Check and issue remaining plogis for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether there are more remaining Port Logins @@ -1031,7 +1031,7 @@ lpfc_more_plogi(struct lpfc_vport *vport) } /** - * lpfc_plogi_confirm_nport: Confirm pologi wwpn matches stored ndlp. + * lpfc_plogi_confirm_nport - Confirm pologi wwpn matches stored ndlp * @phba: pointer to lpfc hba data structure. * @prsp: pointer to response IOCB payload. * @ndlp: pointer to a node-list data structure. @@ -1165,7 +1165,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, } /** - * lpfc_end_rscn: Check and handle more rscn for a vport. + * lpfc_end_rscn - Check and handle more rscn for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether more Registration State Change @@ -1197,7 +1197,7 @@ lpfc_end_rscn(struct lpfc_vport *vport) } /** - * lpfc_cmpl_els_plogi: Completion callback function for plogi. + * lpfc_cmpl_els_plogi - Completion callback function for plogi * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1322,7 +1322,7 @@ out: } /** - * lpfc_issue_els_plogi: Issue an plogi iocb command for a vport. + * lpfc_issue_els_plogi - Issue an plogi iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @did: destination port identifier. * @retry: number of retries to the command IOCB. @@ -1401,7 +1401,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) } /** - * lpfc_cmpl_els_prli: Completion callback function for prli. + * lpfc_cmpl_els_prli - Completion callback function for prli * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1472,7 +1472,7 @@ out: } /** - * lpfc_issue_els_prli: Issue a prli iocb command for a vport. + * lpfc_issue_els_prli - Issue a prli iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1562,7 +1562,7 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_rscn_disc: Perform rscn discovery for a vport. + * lpfc_rscn_disc - Perform rscn discovery for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine performs Registration State Change Notification (RSCN) @@ -1588,7 +1588,7 @@ lpfc_rscn_disc(struct lpfc_vport *vport) } /** - * lpfc_adisc_done: Complete the adisc phase of discovery. + * lpfc_adisc_done - Complete the adisc phase of discovery * @vport: pointer to lpfc_vport hba data structure that finished all ADISCs. * * This function is called when the final ADISC is completed during discovery. @@ -1639,7 +1639,7 @@ lpfc_adisc_done(struct lpfc_vport *vport) } /** - * lpfc_more_adisc: Issue more adisc as needed. + * lpfc_more_adisc - Issue more adisc as needed * @vport: pointer to a host virtual N_Port data structure. * * This routine determines whether there are more ndlps on a @vport @@ -1672,7 +1672,7 @@ lpfc_more_adisc(struct lpfc_vport *vport) } /** - * lpfc_cmpl_els_adisc: Completion callback function for adisc. + * lpfc_cmpl_els_adisc - Completion callback function for adisc * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1760,7 +1760,7 @@ out: } /** - * lpfc_issue_els_adisc: Issue an address discover iocb to an node on a vport. + * lpfc_issue_els_adisc - Issue an address discover iocb to an node on a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1833,7 +1833,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_logo: Completion callback function for logo. + * lpfc_cmpl_els_logo - Completion callback function for logo * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1910,7 +1910,7 @@ out: } /** - * lpfc_issue_els_logo: Issue a logo to an node on a vport. + * lpfc_issue_els_logo - Issue a logo to an node on a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1991,7 +1991,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_cmd: Completion callback function for generic els command. + * lpfc_cmpl_els_cmd - Completion callback function for generic els command * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2031,7 +2031,7 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_els_scr: Issue a scr to an node on a vport. + * lpfc_issue_els_scr - Issue a scr to an node on a vport * @vport: pointer to a host virtual N_Port data structure. * @nportid: N_Port identifier to the remote node. * @retry: number of retries to the command IOCB. @@ -2125,7 +2125,7 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } /** - * lpfc_issue_els_farpr: Issue a farp to an node on a vport. + * lpfc_issue_els_farpr - Issue a farp to an node on a vport * @vport: pointer to a host virtual N_Port data structure. * @nportid: N_Port identifier to the remote node. * @retry: number of retries to the command IOCB. @@ -2236,7 +2236,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } /** - * lpfc_cancel_retry_delay_tmo: Cancel the timer with delayed iocb-cmd retry. + * lpfc_cancel_retry_delay_tmo - Cancel the timer with delayed iocb-cmd retry * @vport: pointer to a host virtual N_Port data structure. * @nlp: pointer to a node-list data structure. * @@ -2291,7 +2291,7 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) } /** - * lpfc_els_retry_delay: Timer function with a ndlp delayed function timer. + * lpfc_els_retry_delay - Timer function with a ndlp delayed function timer * @ptr: holder for the pointer to the timer function associated data (ndlp). * * This routine is invoked by the ndlp delayed-function timer to check @@ -2333,7 +2333,7 @@ lpfc_els_retry_delay(unsigned long ptr) } /** - * lpfc_els_retry_delay_handler: Work thread handler for ndlp delayed function. + * lpfc_els_retry_delay_handler - Work thread handler for ndlp delayed function * @ndlp: pointer to a node-list data structure. * * This routine is the worker-thread handler for processing the @ndlp delayed @@ -2404,7 +2404,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) } /** - * lpfc_els_retry: Make retry decision on an els command iocb. + * lpfc_els_retry - Make retry decision on an els command iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2732,7 +2732,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_free_data: Free lpfc dma buffer and data structure with an iocb. + * lpfc_els_free_data - Free lpfc dma buffer and data structure with an iocb * @phba: pointer to lpfc hba data structure. * @buf_ptr1: pointer to the lpfc DMA buffer data structure. * @@ -2764,7 +2764,7 @@ lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) } /** - * lpfc_els_free_bpl: Free lpfc dma buffer and data structure with bpl. + * lpfc_els_free_bpl - Free lpfc dma buffer and data structure with bpl * @phba: pointer to lpfc hba data structure. * @buf_ptr: pointer to the lpfc dma buffer data structure. * @@ -2784,7 +2784,7 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) } /** - * lpfc_els_free_iocb: Free a command iocb and its associated resources. + * lpfc_els_free_iocb - Free a command iocb and its associated resources * @phba: pointer to lpfc hba data structure. * @elsiocb: pointer to lpfc els command iocb data structure. * @@ -2877,7 +2877,7 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) } /** - * lpfc_cmpl_els_logo_acc: Completion callback function to logo acc response. + * lpfc_cmpl_els_logo_acc - Completion callback function to logo acc response * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2931,7 +2931,7 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_mbx_cmpl_dflt_rpi: Completion callbk func for unreg dflt rpi mbox cmd. + * lpfc_mbx_cmpl_dflt_rpi - Completion callbk func for unreg dflt rpi mbox cmd * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -2965,7 +2965,7 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_cmpl_els_rsp: Completion callback function for els response iocb cmd. + * lpfc_cmpl_els_rsp - Completion callback function for els response iocb cmd * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -3136,7 +3136,7 @@ out: } /** - * lpfc_els_rsp_acc: Prepare and issue an acc response iocb command. + * lpfc_els_rsp_acc - Prepare and issue an acc response iocb command * @vport: pointer to a host virtual N_Port data structure. * @flag: the els command code to be accepted. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3275,7 +3275,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, } /** - * lpfc_els_rsp_reject: Propare and issue a rjt response iocb command. + * lpfc_els_rsp_reject - Propare and issue a rjt response iocb command * @vport: pointer to a virtual N_Port data structure. * @rejectError: * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3356,7 +3356,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, } /** - * lpfc_els_rsp_adisc_acc: Prepare and issue acc response to adisc iocb cmd. + * lpfc_els_rsp_adisc_acc - Prepare and issue acc response to adisc iocb cmd * @vport: pointer to a virtual N_Port data structure. * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -3431,7 +3431,7 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } /** - * lpfc_els_rsp_prli_acc: Prepare and issue acc response to prli iocb cmd. + * lpfc_els_rsp_prli_acc - Prepare and issue acc response to prli iocb cmd * @vport: pointer to a virtual N_Port data structure. * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -3529,7 +3529,7 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } /** - * lpfc_els_rsp_rnid_acc: Issue rnid acc response iocb command. + * lpfc_els_rsp_rnid_acc - Issue rnid acc response iocb command * @vport: pointer to a virtual N_Port data structure. * @format: rnid command format. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3635,7 +3635,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, } /** - * lpfc_els_disc_adisc: Issue remaining adisc iocbs to npr nodes of a vport. + * lpfc_els_disc_adisc - Issue remaining adisc iocbs to npr nodes of a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues Address Discover (ADISC) ELS commands to those @@ -3693,7 +3693,7 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport) } /** - * lpfc_els_disc_plogi: Issue plogi for all npr nodes of a vport before adisc. + * lpfc_els_disc_plogi - Issue plogi for all npr nodes of a vport before adisc * @vport: pointer to a host virtual N_Port data structure. * * This routine issues Port Login (PLOGI) ELS commands to all the N_Ports @@ -3752,7 +3752,7 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport) } /** - * lpfc_els_flush_rscn: Clean up any rscn activities with a vport. + * lpfc_els_flush_rscn - Clean up any rscn activities with a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine cleans up any Registration State Change Notification @@ -3791,7 +3791,7 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport) } /** - * lpfc_rscn_payload_check: Check whether there is a pending rscn to a did. + * lpfc_rscn_payload_check - Check whether there is a pending rscn to a did * @vport: pointer to a host virtual N_Port data structure. * @did: remote destination port identifier. * @@ -3866,7 +3866,7 @@ return_did_out: } /** - * lpfc_rscn_recovery_check: Send recovery event to vport nodes matching rscn + * lpfc_rscn_recovery_check - Send recovery event to vport nodes matching rscn * @vport: pointer to a host virtual N_Port data structure. * * This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the @@ -3895,7 +3895,7 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport) } /** - * lpfc_send_rscn_event: Send an RSCN event to management application. + * lpfc_send_rscn_event - Send an RSCN event to management application * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @@ -3938,7 +3938,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport, } /** - * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb. + * lpfc_els_rcv_rscn - Process an unsolicited rscn iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4134,7 +4134,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_handle_rscn: Handle rscn for a vport. + * lpfc_els_handle_rscn - Handle rscn for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine handles the Registration State Configuration Notification @@ -4222,7 +4222,7 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport) } /** - * lpfc_els_rcv_flogi: Process an unsolicited flogi iocb. + * lpfc_els_rcv_flogi - Process an unsolicited flogi iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4336,7 +4336,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_rnid: Process an unsolicited rnid iocb. + * lpfc_els_rcv_rnid - Process an unsolicited rnid iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4391,7 +4391,7 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_lirr: Process an unsolicited lirr iocb. + * lpfc_els_rcv_lirr - Process an unsolicited lirr iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4419,7 +4419,7 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rsp_rps_acc: Completion callbk func for MBX_READ_LNK_STAT mbox cmd. + * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -4513,7 +4513,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_els_rcv_rps: Process an unsolicited rps iocb. + * lpfc_els_rcv_rps - Process an unsolicited rps iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4590,7 +4590,7 @@ reject_out: } /** - * lpfc_els_rsp_rpl_acc: Issue an accept rpl els command. + * lpfc_els_rsp_rpl_acc - Issue an accept rpl els command * @vport: pointer to a host virtual N_Port data structure. * @cmdsize: size of the ELS command. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -4662,7 +4662,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, } /** - * lpfc_els_rcv_rpl: Process an unsolicited rpl iocb. + * lpfc_els_rcv_rpl - Process an unsolicited rpl iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4721,7 +4721,7 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_farp: Process an unsolicited farp request els command. + * lpfc_els_rcv_farp - Process an unsolicited farp request els command * @vport: pointer to a virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4804,7 +4804,7 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_farpr: Process an unsolicited farp response iocb. + * lpfc_els_rcv_farpr - Process an unsolicited farp response iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4842,7 +4842,7 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_fan: Process an unsolicited fan iocb command. + * lpfc_els_rcv_fan - Process an unsolicited fan iocb command * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @fan_ndlp: pointer to a node-list data structure. @@ -4890,7 +4890,7 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_timeout: Handler funciton to the els timer. + * lpfc_els_timeout - Handler funciton to the els timer * @ptr: holder for the timer function associated data. * * This routine is invoked by the ELS timer after timeout. It posts the ELS @@ -4919,7 +4919,7 @@ lpfc_els_timeout(unsigned long ptr) } /** - * lpfc_els_timeout_handler: Process an els timeout event. + * lpfc_els_timeout_handler - Process an els timeout event * @vport: pointer to a virtual N_Port data structure. * * This routine is the actual handler function that processes an ELS timeout @@ -4994,7 +4994,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) } /** - * lpfc_els_flush_cmd: Clean up the outstanding els commands to a vport. + * lpfc_els_flush_cmd - Clean up the outstanding els commands to a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine is used to clean up all the outstanding ELS commands on a @@ -5076,7 +5076,7 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) } /** - * lpfc_els_flush_all_cmd: Clean up all the outstanding els commands to a HBA. + * lpfc_els_flush_all_cmd - Clean up all the outstanding els commands to a HBA * @phba: pointer to lpfc hba data structure. * * This routine is used to clean up all the outstanding ELS commands on a @@ -5137,7 +5137,7 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba) } /** - * lpfc_send_els_failure_event: Posts an ELS command failure event. + * lpfc_send_els_failure_event - Posts an ELS command failure event * @phba: Pointer to hba context object. * @cmdiocbp: Pointer to command iocb which reported error. * @rspiocbp: Pointer to response iocb which reported error. @@ -5204,7 +5204,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, } /** - * lpfc_send_els_event: Posts unsolicited els event. + * lpfc_send_els_event - Posts unsolicited els event * @vport: Pointer to vport object. * @ndlp: Pointer FC node object. * @cmd: ELS command code. @@ -5284,7 +5284,7 @@ lpfc_send_els_event(struct lpfc_vport *vport, /** - * lpfc_els_unsol_buffer: Process an unsolicited event data buffer. + * lpfc_els_unsol_buffer - Process an unsolicited event data buffer * @phba: pointer to lpfc hba data structure. * @pring: pointer to a SLI ring. * @vport: pointer to a host virtual N_Port data structure. @@ -5592,7 +5592,7 @@ dropit: } /** - * lpfc_find_vport_by_vpid: Find a vport on a HBA through vport identifier. + * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: host virtual N_Port identifier. * @@ -5622,7 +5622,7 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) } /** - * lpfc_els_unsol_event: Process an unsolicited event from an els sli ring. + * lpfc_els_unsol_event - Process an unsolicited event from an els sli ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a SLI ring. * @elsiocb: pointer to lpfc els iocb data structure. @@ -5710,7 +5710,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_do_scr_ns_plogi: Issue a plogi to the name server for scr. + * lpfc_do_scr_ns_plogi - Issue a plogi to the name server for scr * @phba: pointer to lpfc hba data structure. * @vport: pointer to a virtual N_Port data structure. * @@ -5781,7 +5781,7 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) } /** - * lpfc_cmpl_reg_new_vport: Completion callback function to register new vport. + * lpfc_cmpl_reg_new_vport - Completion callback function to register new vport * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -5850,7 +5850,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_register_new_vport: Register a new vport with a HBA. + * lpfc_register_new_vport - Register a new vport with a HBA * @phba: pointer to lpfc hba data structure. * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. @@ -5899,7 +5899,7 @@ mbox_err_exit: } /** - * lpfc_cmpl_els_fdisc: Completion function for fdisc iocb command. + * lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6007,7 +6007,7 @@ out: } /** - * lpfc_issue_els_fdisc: Issue a fdisc iocb command. + * lpfc_issue_els_fdisc - Issue a fdisc iocb command * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -6101,7 +6101,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_npiv_logo: Completion function with vport logo. + * lpfc_cmpl_els_npiv_logo - Completion function with vport logo * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6136,7 +6136,7 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_els_npiv_logo: Issue a logo off a vport. + * lpfc_issue_els_npiv_logo - Issue a logo off a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @@ -6197,7 +6197,7 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) } /** - * lpfc_fabric_block_timeout: Handler function to the fabric block timer. + * lpfc_fabric_block_timeout - Handler function to the fabric block timer * @ptr: holder for the timer function associated data. * * This routine is invoked by the fabric iocb block timer after @@ -6226,7 +6226,7 @@ lpfc_fabric_block_timeout(unsigned long ptr) } /** - * lpfc_resume_fabric_iocbs: Issue a fabric iocb from driver internal list. + * lpfc_resume_fabric_iocbs - Issue a fabric iocb from driver internal list * @phba: pointer to lpfc hba data structure. * * This routine issues one fabric iocb from the driver internal list to @@ -6285,7 +6285,7 @@ repeat: } /** - * lpfc_unblock_fabric_iocbs: Unblock issuing fabric iocb command. + * lpfc_unblock_fabric_iocbs - Unblock issuing fabric iocb command * @phba: pointer to lpfc hba data structure. * * This routine unblocks the issuing fabric iocb command. The function @@ -6303,7 +6303,7 @@ lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) } /** - * lpfc_block_fabric_iocbs: Block issuing fabric iocb command. + * lpfc_block_fabric_iocbs - Block issuing fabric iocb command * @phba: pointer to lpfc hba data structure. * * This routine blocks the issuing fabric iocb for a specified amount of @@ -6325,7 +6325,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba) } /** - * lpfc_cmpl_fabric_iocb: Completion callback function for fabric iocb. + * lpfc_cmpl_fabric_iocb - Completion callback function for fabric iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6384,7 +6384,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_fabric_iocb: Issue a fabric iocb command. + * lpfc_issue_fabric_iocb - Issue a fabric iocb command * @phba: pointer to lpfc hba data structure. * @iocb: pointer to lpfc command iocb data structure. * @@ -6453,7 +6453,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) } /** - * lpfc_fabric_abort_vport: Abort a vport's iocbs from driver fabric iocb list. + * lpfc_fabric_abort_vport - Abort a vport's iocbs from driver fabric iocb list * @vport: pointer to a virtual N_Port data structure. * * This routine aborts all the IOCBs associated with a @vport from the @@ -6493,7 +6493,7 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) } /** - * lpfc_fabric_abort_nport: Abort a ndlp's iocbs from driver fabric iocb list. + * lpfc_fabric_abort_nport - Abort a ndlp's iocbs from driver fabric iocb list * @ndlp: pointer to a node-list data structure. * * This routine aborts all the IOCBs associated with an @ndlp from the @@ -6533,7 +6533,7 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) } /** - * lpfc_fabric_abort_hba: Abort all iocbs on driver fabric iocb list. + * lpfc_fabric_abort_hba - Abort all iocbs on driver fabric iocb list * @phba: pointer to lpfc hba data structure. * * This routine aborts all the IOCBs currently on the driver internal diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 311ed6dea726..9373a9e7485a 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -276,7 +276,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) } /** - * lpfc_alloc_fast_evt: Allocates data structure for posting event. + * lpfc_alloc_fast_evt - Allocates data structure for posting event * @phba: Pointer to hba context object. * * This function is called from the functions which need to post @@ -303,7 +303,7 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) { } /** - * lpfc_free_fast_evt: Frees event data structure. + * lpfc_free_fast_evt - Frees event data structure * @phba: Pointer to hba context object. * @evt: Event object which need to be freed. * @@ -319,7 +319,7 @@ lpfc_free_fast_evt(struct lpfc_hba *phba, } /** - * lpfc_send_fastpath_evt: Posts events generated from fast path. + * lpfc_send_fastpath_evt - Posts events generated from fast path * @phba: Pointer to hba context object. * @evtp: Event data structure. * @@ -1858,7 +1858,7 @@ lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) NLP_STE_UNUSED_NODE); } /** - * lpfc_initialize_node: Initialize all fields of node object. + * lpfc_initialize_node - Initialize all fields of node object * @vport: Pointer to Virtual Port object. * @ndlp: Pointer to FC node object. * @did: FC_ID of the node. diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 06874e6009ea..e3645e8f3487 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -60,7 +60,7 @@ static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); /** - * lpfc_config_port_prep: Perform lpfc initialization prior to config port. + * lpfc_config_port_prep - Perform lpfc initialization prior to config port * @phba: pointer to lpfc hba data structure. * * This routine will do LPFC initialization prior to issuing the CONFIG_PORT @@ -221,7 +221,7 @@ out_free_mbox: } /** - * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd. + * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -242,8 +242,7 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) } /** - * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox - * command used for getting wake up parameters. + * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -287,7 +286,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) } /** - * lpfc_config_port_post: Perform lpfc initialization after config port. + * lpfc_config_port_post - Perform lpfc initialization after config port * @phba: pointer to lpfc hba data structure. * * This routine will do LPFC initialization after the CONFIG_PORT mailbox @@ -551,7 +550,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) } /** - * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset. + * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset * @phba: pointer to lpfc HBA data structure. * * This routine will do LPFC uninitialization before the HBA is reset when @@ -583,7 +582,7 @@ lpfc_hba_down_prep(struct lpfc_hba *phba) } /** - * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset. + * lpfc_hba_down_post - Perform lpfc uninitialization after HBA reset * @phba: pointer to lpfc HBA data structure. * * This routine will do uninitialization after the HBA is reset when bring @@ -652,7 +651,7 @@ lpfc_hba_down_post(struct lpfc_hba *phba) } /** - * lpfc_hb_timeout: The HBA-timer timeout handler. + * lpfc_hb_timeout - The HBA-timer timeout handler * @ptr: unsigned long holds the pointer to lpfc hba data structure. * * This is the HBA-timer timeout handler registered to the lpfc driver. When @@ -686,7 +685,7 @@ lpfc_hb_timeout(unsigned long ptr) } /** - * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function. + * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -721,7 +720,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) } /** - * lpfc_hb_timeout_handler: The HBA-timer timeout handler. + * lpfc_hb_timeout_handler - The HBA-timer timeout handler * @phba: pointer to lpfc hba data structure. * * This is the actual HBA-timer timeout handler to be invoked by the worker @@ -830,7 +829,7 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) } /** - * lpfc_offline_eratt: Bring lpfc offline on hardware error attention. + * lpfc_offline_eratt - Bring lpfc offline on hardware error attention * @phba: pointer to lpfc hba data structure. * * This routine is called to bring the HBA offline when HBA hardware error @@ -857,7 +856,7 @@ lpfc_offline_eratt(struct lpfc_hba *phba) } /** - * lpfc_handle_eratt: The HBA hardware error handler. + * lpfc_handle_eratt - The HBA hardware error handler * @phba: pointer to lpfc hba data structure. * * This routine is invoked to handle the following HBA hardware error @@ -976,7 +975,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) } /** - * lpfc_handle_latt: The HBA link event handler. + * lpfc_handle_latt - The HBA link event handler * @phba: pointer to lpfc hba data structure. * * This routine is invoked from the worker thread to handle a HBA host @@ -1063,7 +1062,7 @@ lpfc_handle_latt_err_exit: } /** - * lpfc_parse_vpd: Parse VPD (Vital Product Data). + * lpfc_parse_vpd - Parse VPD (Vital Product Data) * @phba: pointer to lpfc hba data structure. * @vpd: pointer to the vital product data. * @len: length of the vital product data in bytes. @@ -1213,7 +1212,7 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) } /** - * lpfc_get_hba_model_desc: Retrieve HBA device model name and description. + * lpfc_get_hba_model_desc - Retrieve HBA device model name and description * @phba: pointer to lpfc hba data structure. * @mdp: pointer to the data structure to hold the derived model name. * @descp: pointer to the data structure to hold the derived description. @@ -1392,7 +1391,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) } /** - * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring. + * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a IOCB ring. * @cnt: the number of IOCBs to be posted to the IOCB ring. @@ -1493,7 +1492,7 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) } /** - * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring. + * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring * @phba: pointer to lpfc hba data structure. * * This routine posts initial receive IOCB buffers to the ELS ring. The @@ -1518,7 +1517,7 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba) #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) /** - * lpfc_sha_init: Set up initial array of hash table entries. + * lpfc_sha_init - Set up initial array of hash table entries * @HashResultPointer: pointer to an array as hash table. * * This routine sets up the initial values to the array of hash table entries @@ -1535,7 +1534,7 @@ lpfc_sha_init(uint32_t * HashResultPointer) } /** - * lpfc_sha_iterate: Iterate initial hash table with the working hash table. + * lpfc_sha_iterate - Iterate initial hash table with the working hash table * @HashResultPointer: pointer to an initial/result hash table. * @HashWorkingPointer: pointer to an working hash table. * @@ -1592,7 +1591,7 @@ lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) } /** - * lpfc_challenge_key: Create challenge key based on WWPN of the HBA. + * lpfc_challenge_key - Create challenge key based on WWPN of the HBA * @RandomChallenge: pointer to the entry of host challenge random number array. * @HashWorking: pointer to the entry of the working hash array. * @@ -1608,7 +1607,7 @@ lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) } /** - * lpfc_hba_init: Perform special handling for LC HBA initialization. + * lpfc_hba_init - Perform special handling for LC HBA initialization * @phba: pointer to lpfc hba data structure. * @hbainit: pointer to an array of unsigned 32-bit integers. * @@ -1637,7 +1636,7 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) } /** - * lpfc_cleanup: Performs vport cleanups before deleting a vport. + * lpfc_cleanup - Performs vport cleanups before deleting a vport * @vport: pointer to a virtual N_Port data structure. * * This routine performs the necessary cleanups before deleting the @vport. @@ -1724,7 +1723,7 @@ lpfc_cleanup(struct lpfc_vport *vport) } /** - * lpfc_stop_vport_timers: Stop all the timers associated with a vport. + * lpfc_stop_vport_timers - Stop all the timers associated with a vport * @vport: pointer to a virtual N_Port data structure. * * This routine stops all the timers associated with a @vport. This function @@ -1741,7 +1740,7 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport) } /** - * lpfc_stop_phba_timers: Stop all the timers associated with an HBA. + * lpfc_stop_phba_timers - Stop all the timers associated with an HBA * @phba: pointer to lpfc hba data structure. * * This routine stops all the timers associated with a HBA. This function is @@ -1761,7 +1760,7 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba) } /** - * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked. + * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked * @phba: pointer to lpfc hba data structure. * * This routine marks a HBA's management interface as blocked. Once the HBA's @@ -1781,7 +1780,7 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba) } /** - * lpfc_online: Initialize and bring a HBA online. + * lpfc_online - Initialize and bring a HBA online * @phba: pointer to lpfc hba data structure. * * This routine initializes the HBA and brings a HBA online. During this @@ -1839,7 +1838,7 @@ lpfc_online(struct lpfc_hba *phba) } /** - * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked. + * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked * @phba: pointer to lpfc hba data structure. * * This routine marks a HBA's management interface as not blocked. Once the @@ -1860,7 +1859,7 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba) } /** - * lpfc_offline_prep: Prepare a HBA to be brought offline. + * lpfc_offline_prep - Prepare a HBA to be brought offline * @phba: pointer to lpfc hba data structure. * * This routine is invoked to prepare a HBA to be brought offline. It performs @@ -1917,7 +1916,7 @@ lpfc_offline_prep(struct lpfc_hba * phba) } /** - * lpfc_offline: Bring a HBA offline. + * lpfc_offline - Bring a HBA offline * @phba: pointer to lpfc hba data structure. * * This routine actually brings a HBA offline. It stops all the timers @@ -1962,7 +1961,7 @@ lpfc_offline(struct lpfc_hba *phba) } /** - * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists. + * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists * @phba: pointer to lpfc hba data structure. * * This routine is to free all the SCSI buffers and IOCBs from the driver @@ -2001,7 +2000,7 @@ lpfc_scsi_free(struct lpfc_hba *phba) } /** - * lpfc_create_port: Create an FC port. + * lpfc_create_port - Create an FC port * @phba: pointer to lpfc hba data structure. * @instance: a unique integer ID to this FC port. * @dev: pointer to the device data structure. @@ -2091,7 +2090,7 @@ out: } /** - * destroy_port: Destroy an FC port. + * destroy_port - destroy an FC port * @vport: pointer to an lpfc virtual N_Port data structure. * * This routine destroys a FC port from the upper layer protocol. All the @@ -2116,7 +2115,7 @@ destroy_port(struct lpfc_vport *vport) } /** - * lpfc_get_instance: Get a unique integer ID. + * lpfc_get_instance - Get a unique integer ID * * This routine allocates a unique integer ID from lpfc_hba_index pool. It * uses the kernel idr facility to perform the task. @@ -2139,7 +2138,7 @@ lpfc_get_instance(void) } /** - * lpfc_scan_finished: method for SCSI layer to detect whether scan is done. + * lpfc_scan_finished - method for SCSI layer to detect whether scan is done * @shost: pointer to SCSI host data structure. * @time: elapsed time of the scan in jiffies. * @@ -2197,7 +2196,7 @@ finished: } /** - * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port. + * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port * @shost: pointer to SCSI host data structure. * * This routine initializes a given SCSI host attributes on a FC port. The @@ -2252,7 +2251,7 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) } /** - * lpfc_enable_msix: Enable MSI-X interrupt mode. + * lpfc_enable_msix - Enable MSI-X interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI-X interrupt vectors. The kernel @@ -2366,7 +2365,7 @@ msi_fail_out: } /** - * lpfc_disable_msix: Disable MSI-X interrupt mode. + * lpfc_disable_msix - Disable MSI-X interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to release the MSI-X vectors and then disable the @@ -2385,7 +2384,7 @@ lpfc_disable_msix(struct lpfc_hba *phba) } /** - * lpfc_enable_msi: Enable MSI interrupt mode. + * lpfc_enable_msi - Enable MSI interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI interrupt mode. The kernel @@ -2423,7 +2422,7 @@ lpfc_enable_msi(struct lpfc_hba *phba) } /** - * lpfc_disable_msi: Disable MSI interrupt mode. + * lpfc_disable_msi - Disable MSI interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to disable the MSI interrupt mode. The driver @@ -2441,7 +2440,7 @@ lpfc_disable_msi(struct lpfc_hba *phba) } /** - * lpfc_log_intr_mode: Log the active interrupt mode + * lpfc_log_intr_mode - Log the active interrupt mode * @phba: pointer to lpfc hba data structure. * @intr_mode: active interrupt mode adopted. * @@ -2490,7 +2489,7 @@ lpfc_stop_port(struct lpfc_hba *phba) } /** - * lpfc_enable_intr: Enable device interrupt. + * lpfc_enable_intr - Enable device interrupt * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable device interrupt and associate driver's @@ -2547,7 +2546,7 @@ lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) } /** - * lpfc_disable_intr: Disable device interrupt. + * lpfc_disable_intr - Disable device interrupt * @phba: pointer to lpfc hba data structure. * * This routine is invoked to disable device interrupt and disassociate the @@ -2574,7 +2573,7 @@ lpfc_disable_intr(struct lpfc_hba *phba) } /** - * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem. + * lpfc_pci_probe_one - lpfc PCI probe func to register device to PCI subsystem * @pdev: pointer to PCI device * @pid: pointer to PCI device identifier * @@ -3010,7 +3009,7 @@ out: } /** - * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem. + * lpfc_pci_remove_one - lpfc PCI func to unregister device from PCI subsystem * @pdev: pointer to PCI device * * This routine is to be registered to the kernel's PCI subsystem. When an @@ -3095,7 +3094,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) } /** - * lpfc_pci_suspend_one: lpfc PCI func to suspend device for power management. + * lpfc_pci_suspend_one - lpfc PCI func to suspend device for power management * @pdev: pointer to PCI device * @msg: power management message * @@ -3139,7 +3138,7 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) } /** - * lpfc_pci_resume_one: lpfc PCI func to resume device for power management. + * lpfc_pci_resume_one - lpfc PCI func to resume device for power management * @pdev: pointer to PCI device * * This routine is to be registered to the kernel's PCI subsystem to support @@ -3204,7 +3203,7 @@ lpfc_pci_resume_one(struct pci_dev *pdev) } /** - * lpfc_io_error_detected: Driver method for handling PCI I/O error detected. + * lpfc_io_error_detected - Driver method for handling PCI I/O error detected * @pdev: pointer to PCI device. * @state: the current PCI connection state. * @@ -3254,7 +3253,7 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, } /** - * lpfc_io_slot_reset: Restart a PCI device from scratch. + * lpfc_io_slot_reset - Restart a PCI device from scratch * @pdev: pointer to PCI device. * * This routine is registered to the PCI subsystem for error handling. This is @@ -3313,7 +3312,7 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) } /** - * lpfc_io_resume: Resume PCI I/O operation. + * lpfc_io_resume - Resume PCI I/O operation * @pdev: pointer to PCI device * * This routine is registered to the PCI subsystem for error handling. It is @@ -3426,7 +3425,7 @@ static struct pci_driver lpfc_driver = { }; /** - * lpfc_init: lpfc module initialization routine. + * lpfc_init - lpfc module initialization routine * * This routine is to be invoked when the lpfc module is loaded into the * kernel. The special kernel macro module_init() is used to indicate the @@ -3472,7 +3471,7 @@ lpfc_init(void) } /** - * lpfc_exit: lpfc module removal routine. + * lpfc_exit - lpfc module removal routine * * This routine is invoked when the lpfc module is removed from the kernel. * The special kernel macro module_exit() is used to indicate the role of diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 34eeb086a667..134fc7fc2127 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -39,7 +39,7 @@ #include "lpfc_compat.h" /** - * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory. + * lpfc_dump_mem - Prepare a mailbox command for retrieving HBA's VPD memory * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @offset: offset for dumping VPD memory mailbox command. @@ -77,9 +77,10 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) } /** - * lpfc_dump_mem: Prepare a mailbox command for retrieving wakeup params. + * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. + * * This function create a dump memory mailbox command to dump wake up * parameters. */ @@ -109,7 +110,7 @@ lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param. + * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -132,7 +133,7 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_async: Prepare a mailbox command for enabling HBA async event. + * lpfc_config_async - Prepare a mailbox command for enabling HBA async event * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @ring: ring number for the asynchronous event to be configured. @@ -159,7 +160,7 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, } /** - * lpfc_heart_beat: Prepare a mailbox command for heart beat. + * lpfc_heart_beat - Prepare a mailbox command for heart beat * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -184,7 +185,7 @@ lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_read_la: Prepare a mailbox command for reading HBA link attention. + * lpfc_read_la - Prepare a mailbox command for reading HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @mp: DMA buffer memory for reading the link attention information into. @@ -228,7 +229,7 @@ lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) } /** - * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention. + * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -257,7 +258,7 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA. + * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -305,7 +306,7 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_msi: Prepare a mailbox command for configuring msi-x. + * lpfc_config_msi - Prepare a mailbox command for configuring msi-x * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -383,7 +384,7 @@ lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA. + * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @topology: the link topology for the link to be initialized to. @@ -463,7 +464,7 @@ lpfc_init_link(struct lpfc_hba * phba, } /** - * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters. + * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @vpi: virtual N_Port identifier. @@ -523,7 +524,7 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) } /** - * lpfc_unreg_did: Prepare a mailbox command for unregistering DID. + * lpfc_unreg_did - Prepare a mailbox command for unregistering DID * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. @@ -555,7 +556,7 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, } /** - * lpfc_read_config: Prepare a mailbox command for reading HBA configuration. + * lpfc_read_config - Prepare a mailbox command for reading HBA configuration * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -581,7 +582,7 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats. + * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -606,7 +607,7 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_reg_login: Prepare a mailbox command for registering remote login. + * lpfc_reg_login - Prepare a mailbox command for registering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. @@ -677,7 +678,7 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, } /** - * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login. + * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @rpi: remote port identifier @@ -709,7 +710,7 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, } /** - * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier. + * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). @@ -741,7 +742,7 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, } /** - * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id. + * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @pmb: pointer to the driver internal queue element for mailbox command. @@ -771,7 +772,7 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) } /** - * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB) + * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) * @phba: pointer to lpfc hba data structure. * * This routine sets up and initializes the IOCB rings in the Port Control @@ -835,7 +836,7 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) } /** - * lpfc_read_rev: Prepare a mailbox command for reading HBA revision. + * lpfc_read_rev - Prepare a mailbox command for reading HBA revision * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -861,7 +862,7 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2. + * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -880,7 +881,7 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, } /** - * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3. + * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -902,7 +903,7 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, } /** - * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5. + * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -925,7 +926,7 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, } /** - * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ. + * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ * @phba: pointer to lpfc hba data structure. * @id: HBQ identifier. * @hbq_desc: pointer to the HBA descriptor data structure. @@ -999,7 +1000,7 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, } /** - * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring. + * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring * @phba: pointer to lpfc hba data structure. * @ring: * @pmb: pointer to the driver internal queue element for mailbox command. @@ -1057,7 +1058,7 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_port: Prepare a mailbox command for configuring port. + * lpfc_config_port - Prepare a mailbox command for configuring port * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -1227,7 +1228,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_kill_board: Prepare a mailbox command for killing board. + * lpfc_kill_board - Prepare a mailbox command for killing board * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -1253,7 +1254,7 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue. + * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * @@ -1277,7 +1278,7 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) } /** - * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue. + * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * * Driver maintains a internal mailbox command queue implemented as a linked @@ -1304,7 +1305,7 @@ lpfc_mbox_get(struct lpfc_hba * phba) } /** - * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list. + * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * @@ -1327,7 +1328,7 @@ lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) } /** - * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value. + * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value * @phba: pointer to lpfc hba data structure. * @cmd: mailbox command code. * diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index a4bba2069248..35a976733398 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -41,7 +41,7 @@ /** - * lpfc_mem_alloc: create and allocate all PCI and memory pools + * lpfc_mem_alloc - create and allocate all PCI and memory pools * @phba: HBA to allocate pools for * * Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool, @@ -136,12 +136,12 @@ lpfc_mem_alloc(struct lpfc_hba * phba) } /** - * lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc + * lpfc_mem_free - Frees all PCI and memory allocated by lpfc_mem_alloc * @phba: HBA to free memory for * * Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool, * lpfc_hbq_pool. Frees kmalloc-backed mempools for LPFC_MBOXQ_t and - * lpfc_nodelist. Also frees the VPI bitmask. + * lpfc_nodelist. Also frees the VPI bitmask * * Returns: None **/ @@ -212,7 +212,7 @@ lpfc_mem_free(struct lpfc_hba * phba) } /** - * lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool + * lpfc_mbuf_alloc - Allocate an mbuf from the lpfc_mbuf_pool PCI pool * @phba: HBA which owns the pool to allocate from * @mem_flags: indicates if this is a priority (MEM_PRI) allocation * @handle: used to return the DMA-mapped address of the mbuf @@ -249,7 +249,7 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) } /** - * __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) + * __lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) * @phba: HBA which owns the pool to return to * @virt: mbuf to free * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed @@ -278,7 +278,7 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } /** - * lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) + * lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) * @phba: HBA which owns the pool to return to * @virt: mbuf to free * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed @@ -291,7 +291,6 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) * Returns: None **/ void - lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) { unsigned long iflags; @@ -303,7 +302,7 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } /** - * lpfc_els_hbq_alloc: Allocate an HBQ buffer + * lpfc_els_hbq_alloc - Allocate an HBQ buffer * @phba: HBA to allocate HBQ buffer for * * Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI @@ -335,7 +334,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba) } /** - * lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc + * lpfc_mem_hbq_free - Frees an HBQ buffer allocated with lpfc_els_hbq_alloc * @phba: HBA buffer was allocated for * @hbqbp: HBQ container returned by lpfc_els_hbq_alloc * @@ -355,7 +354,7 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp) } /** - * lpfc_in_buf_free: Free a DMA buffer + * lpfc_in_buf_free - Free a DMA buffer * @phba: HBA buffer is associated with * @mp: Buffer to free * diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 36fd2e75da1c..6eedb23980d6 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -112,7 +112,7 @@ lpfc_debug_save_dif(struct scsi_cmnd *cmnd) } /** - * lpfc_update_stats: Update statistical data for the command completion. + * lpfc_update_stats - Update statistical data for the command completion * @phba: Pointer to HBA object. * @lpfc_cmd: lpfc scsi command object pointer. * @@ -165,8 +165,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** - * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change - * event. + * lpfc_send_sdev_queuedepth_change_event - Posts a queuedepth change event * @phba: Pointer to HBA context object. * @vport: Pointer to vport object. * @ndlp: Pointer to FC node associated with the target. @@ -220,7 +219,7 @@ lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba, } /** - * lpfc_rampdown_queue_depth: Post RAMP_DOWN_QUEUE event to worker thread. + * lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread * @phba: The Hba for which this call is being executed. * * This routine is called when there is resource error in driver or firmware. @@ -261,7 +260,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) } /** - * lpfc_rampup_queue_depth: Post RAMP_UP_QUEUE event for worker thread. + * lpfc_rampup_queue_depth - Post RAMP_UP_QUEUE event for worker thread * @phba: The Hba for which this call is being executed. * * This routine post WORKER_RAMP_UP_QUEUE event for @phba vport. This routine @@ -303,7 +302,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport, } /** - * lpfc_ramp_down_queue_handler: WORKER_RAMP_DOWN_QUEUE event handler. + * lpfc_ramp_down_queue_handler - WORKER_RAMP_DOWN_QUEUE event handler * @phba: The Hba for which this call is being executed. * * This routine is called to process WORKER_RAMP_DOWN_QUEUE event for worker @@ -361,7 +360,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) } /** - * lpfc_ramp_up_queue_handler: WORKER_RAMP_UP_QUEUE event handler. + * lpfc_ramp_up_queue_handler - WORKER_RAMP_UP_QUEUE event handler * @phba: The Hba for which this call is being executed. * * This routine is called to process WORKER_RAMP_UP_QUEUE event for worker @@ -410,7 +409,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) } /** - * lpfc_scsi_dev_block: set all scsi hosts to block state. + * lpfc_scsi_dev_block - set all scsi hosts to block state * @phba: Pointer to HBA context object. * * This function walks vport list and set each SCSI host to block state @@ -439,7 +438,7 @@ lpfc_scsi_dev_block(struct lpfc_hba *phba) } /** - * lpfc_new_scsi_buf: Scsi buffer allocator. + * lpfc_new_scsi_buf - Scsi buffer allocator * @vport: The virtual port for which this call being executed. * * This routine allocates a scsi buffer, which contains all the necessary @@ -563,7 +562,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport) } /** - * lpfc_get_scsi_buf: Get a scsi buffer from lpfc_scsi_buf_list list of Hba. + * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list list of Hba * @phba: The Hba for which this call is being executed. * * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list @@ -592,7 +591,7 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba) } /** - * lpfc_release_scsi_buf: Return a scsi buffer back to hba lpfc_scsi_buf_list list. + * lpfc_release_scsi_buf - Return a scsi buffer back to hba's lpfc_scsi_buf_list * @phba: The Hba for which this call is being executed. * @psb: The scsi buffer which is being released. * @@ -611,7 +610,7 @@ lpfc_release_scsi_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) } /** - * lpfc_scsi_prep_dma_buf: Routine to do DMA mapping for scsi buffer. + * lpfc_scsi_prep_dma_buf - Routine to do DMA mapping for scsi buffer * @phba: The Hba for which this call is being executed. * @lpfc_cmd: The scsi buffer which is going to be mapped. * @@ -823,9 +822,9 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc) /** * lpfc_get_cmd_dif_parms - Extract DIF parameters from SCSI command * @sc: in: SCSI command - * @apptagmask out: app tag mask - * @apptagval out: app tag value - * @reftag out: ref tag (reference tag) + * @apptagmask: out: app tag mask + * @apptagval: out: app tag value + * @reftag: out: ref tag (reference tag) * * Description: * Extract DIF paramters from the command if possible. Otherwise, @@ -1413,7 +1412,7 @@ out: } /** - * lpfc_send_scsi_error_event: Posts an event when there is SCSI error. + * lpfc_send_scsi_error_event - Posts an event when there is SCSI error * @phba: Pointer to hba context object. * @vport: Pointer to vport object. * @lpfc_cmd: Pointer to lpfc scsi command which reported the error. @@ -1505,7 +1504,7 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport, } /** - * lpfc_scsi_unprep_dma_buf: Routine to un-map DMA mapping of scatter gather. + * lpfc_scsi_unprep_dma_buf - Routine to un-map DMA mapping of scatter gather * @phba: The Hba for which this call is being executed. * @psb: The scsi buffer which is going to be un-mapped. * @@ -1530,7 +1529,7 @@ lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) } /** - * lpfc_handler_fcp_err: FCP response handler. + * lpfc_handler_fcp_err - FCP response handler * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure. * @rsp_iocb: The response IOCB which contains FCP error. @@ -1674,7 +1673,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, } /** - * lpfc_scsi_cmd_iocb_cmpl: Scsi cmnd IOCB completion routine. + * lpfc_scsi_cmd_iocb_cmpl - Scsi cmnd IOCB completion routine * @phba: The Hba for which this call is being executed. * @pIocbIn: The command IOCBQ for the scsi cmnd. * @pIocbOut: The response IOCBQ for the scsi cmnd . @@ -1935,7 +1934,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } /** - * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB. + * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB * @data: A pointer to the immediate command data portion of the IOCB. * @fcp_cmnd: The FCP Command that is provided by the SCSI layer. * @@ -1953,7 +1952,7 @@ lpfc_fcpcmd_to_iocb(uint8_t *data, struct fcp_cmnd *fcp_cmnd) } /** - * lpfc_scsi_prep_cmnd: Routine to convert scsi cmnd to FCP information unit. + * lpfc_scsi_prep_cmnd - Routine to convert scsi cmnd to FCP information unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: The scsi command which needs to send. * @pnode: Pointer to lpfc_nodelist. @@ -2047,7 +2046,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, } /** - * lpfc_scsi_prep_task_mgmt_cmnd: Convert scsi TM cmnd to FCP information unit. + * lpfc_scsi_prep_task_mgmt_cmnd - Convert scsi TM cmnd to FCP information unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure. * @lun: Logical unit number. @@ -2110,7 +2109,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, } /** - * lpc_taskmgmt_def_cmpl: IOCB completion routine for task management command. + * lpfc_taskmgmt_def_cmpl - IOCB completion routine for task management command * @phba: The Hba for which this call is being executed. * @cmdiocbq: Pointer to lpfc_iocbq data structure. * @rspiocbq: Pointer to lpfc_iocbq data structure. @@ -2131,7 +2130,7 @@ lpfc_tskmgmt_def_cmpl(struct lpfc_hba *phba, } /** - * lpfc_scsi_tgt_reset: Target reset handler. + * lpfc_scsi_tgt_reset - Target reset handler * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure * @vport: The virtual port for which this call is being executed. * @tgt_id: Target ID. @@ -2198,7 +2197,7 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_vport *vport, } /** - * lpfc_info: Info entry point of scsi_host_template data structure. + * lpfc_info - Info entry point of scsi_host_template data structure * @host: The scsi host for which this call is being executed. * * This routine provides module information about hba. @@ -2236,7 +2235,7 @@ lpfc_info(struct Scsi_Host *host) } /** - * lpfc_poll_rearm_time: Routine to modify fcp_poll timer of hba. + * lpfc_poll_rearm_time - Routine to modify fcp_poll timer of hba * @phba: The Hba for which this call is being executed. * * This routine modifies fcp_poll_timer field of @phba by cfg_poll_tmo. @@ -2253,7 +2252,7 @@ static __inline__ void lpfc_poll_rearm_timer(struct lpfc_hba * phba) } /** - * lpfc_poll_start_timer: Routine to start fcp_poll_timer of HBA. + * lpfc_poll_start_timer - Routine to start fcp_poll_timer of HBA * @phba: The Hba for which this call is being executed. * * This routine starts the fcp_poll_timer of @phba. @@ -2264,7 +2263,7 @@ void lpfc_poll_start_timer(struct lpfc_hba * phba) } /** - * lpfc_poll_timeout: Restart polling timer. + * lpfc_poll_timeout - Restart polling timer * @ptr: Map to lpfc_hba data structure pointer. * * This routine restarts fcp_poll timer, when FCP ring polling is enable @@ -2283,8 +2282,7 @@ void lpfc_poll_timeout(unsigned long ptr) } /** - * lpfc_queuecommand: Queuecommand entry point of Scsi Host Templater data - * structure. + * lpfc_queuecommand - scsi_host_template queuecommand entry point * @cmnd: Pointer to scsi_cmnd data structure. * @done: Pointer to done routine. * @@ -2450,7 +2448,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) } /** - * lpfc_block_error_handler: Routine to block error handler. + * lpfc_block_error_handler - Routine to block error handler * @cmnd: Pointer to scsi_cmnd data structure. * * This routine blocks execution till fc_rport state is not FC_PORSTAT_BLCOEKD. @@ -2472,8 +2470,7 @@ lpfc_block_error_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_abort_handler: Eh_abort_handler entry point of Scsi Host Template data - *structure. + * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine aborts @cmnd pending in base driver. @@ -2578,8 +2575,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_device_reset_handler: eh_device_reset entry point of Scsi Host Template - *data structure. + * lpfc_device_reset_handler - scsi_host_template eh_device_reset entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine does a device reset by sending a TARGET_RESET task management @@ -2587,7 +2583,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) * * Return code : * 0x2003 - Error - * 0ex2002 - Success + * 0x2002 - Success **/ static int lpfc_device_reset_handler(struct scsi_cmnd *cmnd) @@ -2707,8 +2703,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_bus_reset_handler: eh_bus_reset_handler entry point of Scsi Host - * Template data structure. + * lpfc_bus_reset_handler - scsi_host_template eh_bus_reset_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine does target reset to all target on @cmnd->device->host. @@ -2808,8 +2803,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_slave_alloc: slave_alloc entry point of Scsi Host Template data - * structure. + * lpfc_slave_alloc - scsi_host_template slave_alloc entry point * @sdev: Pointer to scsi_device. * * This routine populates the cmds_per_lun count + 2 scsi_bufs into this host's @@ -2883,8 +2877,7 @@ lpfc_slave_alloc(struct scsi_device *sdev) } /** - * lpfc_slave_configure: slave_configure entry point of Scsi Host Templater data - * structure. + * lpfc_slave_configure - scsi_host_template slave_configure entry point * @sdev: Pointer to scsi_device. * * This routine configures following items @@ -2925,7 +2918,7 @@ lpfc_slave_configure(struct scsi_device *sdev) } /** - * lpfc_slave_destroy: slave_destroy entry point of SHT data structure. + * lpfc_slave_destroy - slave_destroy entry point of SHT data structure * @sdev: Pointer to scsi_device. * * This routine sets @sdev hostatdata filed to null. diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a36a120561e2..74cfa963dfc5 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -68,7 +68,7 @@ typedef enum _lpfc_iocb_type { } lpfc_iocb_type; /** - * lpfc_cmd_iocb: Get next command iocb entry in the ring. + * lpfc_cmd_iocb - Get next command iocb entry in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -85,7 +85,7 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_resp_iocb: Get next response iocb entry in the ring. + * lpfc_resp_iocb - Get next response iocb entry in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -102,7 +102,7 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool * @phba: Pointer to HBA context object. * * This function is called with hbalock held. This function @@ -121,7 +121,7 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba) } /** - * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool * @phba: Pointer to HBA context object. * * This function is called with no lock held. This function @@ -142,7 +142,7 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba) } /** - * __lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * __lpfc_sli_release_iocbq - Release iocb to the iocb pool * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -164,7 +164,7 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * lpfc_sli_release_iocbq - Release iocb to the iocb pool * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -185,8 +185,8 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_iocb_cmd_type: Get the iocb type. - * @iocb_cmnd : iocb command code. + * lpfc_sli_iocb_cmd_type - Get the iocb type + * @iocb_cmnd: iocb command code. * * This function is called by ring event handler function to get the iocb type. * This function translates the iocb command to an iocb command type used to @@ -295,7 +295,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) } /** - * lpfc_sli_ring_map: Issue config_ring mbox for all rings. + * lpfc_sli_ring_map - Issue config_ring mbox for all rings * @phba: Pointer to HBA context object. * * This function is called from SLI initialization code @@ -338,7 +338,7 @@ lpfc_sli_ring_map(struct lpfc_hba *phba) } /** - * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq. + * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to the driver iocb object. @@ -370,7 +370,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_ringtx_get: Get first element of the txq. + * lpfc_sli_ringtx_get - Get first element of the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -391,7 +391,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring. + * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -445,7 +445,7 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_iotag: Get an iotag for the iocb. + * lpfc_sli_next_iotag - Get an iotag for the iocb * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -520,7 +520,7 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_submit_iocb: Submit an iocb to the firmware. + * lpfc_sli_submit_iocb - Submit an iocb to the firmware * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @iocb: Pointer to iocb slot in the ring. @@ -577,7 +577,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_update_full_ring: Update the chip attention register. + * lpfc_sli_update_full_ring - Update the chip attention register * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -608,7 +608,7 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_update_ring: Update chip attention register. + * lpfc_sli_update_ring - Update chip attention register * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -632,7 +632,7 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_resume_iocb: Process iocbs in the txq. + * lpfc_sli_resume_iocb - Process iocbs in the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -672,7 +672,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ. + * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @@ -717,7 +717,7 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) } /** - * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers. + * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers * @phba: Pointer to HBA context object. * * This function is called with no lock held to free all the @@ -771,7 +771,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) } /** - * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware. + * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @hbq_buf: Pointer to HBQ buffer. @@ -841,7 +841,7 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = { }; /** - * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ. + * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @count: Number of HBQ buffers to be posted. @@ -901,7 +901,7 @@ err: } /** - * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware. + * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware * @phba: Pointer to HBA context object. * @qno: HBQ number. * @@ -917,7 +917,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) } /** - * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ. + * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ * @phba: Pointer to HBA context object. * @qno: HBQ queue number. * @@ -933,7 +933,7 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) } /** - * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag. + * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag * @phba: Pointer to HBA context object. * @tag: Tag of the hbq buffer. * @@ -966,7 +966,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) } /** - * lpfc_sli_free_hbq: Give back the hbq buffer to firmware. + * lpfc_sli_free_hbq - Give back the hbq buffer to firmware * @phba: Pointer to HBA context object. * @hbq_buffer: Pointer to HBQ buffer. * @@ -988,7 +988,7 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) } /** - * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox. + * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox * @mbxCommand: mailbox command code. * * This function is called by the mailbox event handler function to verify @@ -1064,8 +1064,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) } /** - * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from - * lpfc_sli_issue_mbox_wait. + * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler * @phba: Pointer to HBA context object. * @pmboxq: Pointer to mailbox command. * @@ -1096,7 +1095,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) /** - * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler. + * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler * @phba: Pointer to HBA context object. * @pmb: Pointer to mailbox object. * @@ -1140,7 +1139,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware. + * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware * @phba: Pointer to HBA context object. * * This function is called with no lock held. This function processes all @@ -1260,7 +1259,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba) } /** - * lpfc_sli_get_buff: Get the buffer associated with the buffer tag. + * lpfc_sli_get_buff - Get the buffer associated with the buffer tag * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @tag: buffer tag. @@ -1288,7 +1287,7 @@ lpfc_sli_get_buff(struct lpfc_hba *phba, /** - * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler. + * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @saveq: Pointer to the unsolicited iocb. @@ -1484,7 +1483,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb. + * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @prspiocb: Pointer to response iocb object. @@ -1521,7 +1520,7 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, } /** - * lpfc_sli_process_sol_iocb: process solicited iocb completion. + * lpfc_sli_process_sol_iocb - process solicited iocb completion * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @saveq: Pointer to the response iocb to be processed. @@ -1614,7 +1613,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_rsp_pointers_error: Response ring pointer error handler. + * lpfc_sli_rsp_pointers_error - Response ring pointer error handler * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -1652,7 +1651,7 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_poll_eratt: Error attention polling timer timeout handler. + * lpfc_poll_eratt - Error attention polling timer timeout handler * @ptr: Pointer to address of HBA context object. * * This function is invoked by the Error Attention polling timer when the @@ -1682,7 +1681,7 @@ void lpfc_poll_eratt(unsigned long ptr) } /** - * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode. + * lpfc_sli_poll_fcp_ring - Handle FCP ring completion in polling mode * @phba: Pointer to HBA context object. * * This function is called from lpfc_queuecommand, lpfc_poll_timeout, @@ -1845,7 +1844,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) } /** - * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring. + * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mask: Host attention register mask for this ring. @@ -2037,7 +2036,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, } /** - * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings. + * lpfc_sli_handle_slow_ring_event - Handle ring events for non-FCP rings * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mask: Host attention register mask for this ring. @@ -2311,7 +2310,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, } /** - * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring. + * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -2360,7 +2359,7 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring. + * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring * @phba: Pointer to HBA context object. * * This function flushes all iocbs in the fcp ring and frees all the iocb @@ -2424,7 +2423,7 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) } /** - * lpfc_sli_brdready: Check for host status bits. + * lpfc_sli_brdready - Check for host status bits * @phba: Pointer to HBA context object. * @mask: Bit mask to be checked. * @@ -2484,7 +2483,7 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) #define BARRIER_TEST_PATTERN (0xdeadbeef) /** - * lpfc_reset_barrier: Make HBA ready for HBA reset. + * lpfc_reset_barrier - Make HBA ready for HBA reset * @phba: Pointer to HBA context object. * * This function is called before resetting an HBA. This @@ -2564,7 +2563,7 @@ restore_hc: } /** - * lpfc_sli_brdkill: Issue a kill_board mailbox command. + * lpfc_sli_brdkill - Issue a kill_board mailbox command * @phba: Pointer to HBA context object. * * This function issues a kill_board mailbox command and waits for @@ -2651,7 +2650,7 @@ lpfc_sli_brdkill(struct lpfc_hba *phba) } /** - * lpfc_sli_brdreset: Reset the HBA. + * lpfc_sli_brdreset - Reset the HBA * @phba: Pointer to HBA context object. * * This function resets the HBA by writing HC_INITFF to the control @@ -2714,7 +2713,7 @@ lpfc_sli_brdreset(struct lpfc_hba *phba) } /** - * lpfc_sli_brdrestart: Restart the HBA. + * lpfc_sli_brdrestart - Restart the HBA * @phba: Pointer to HBA context object. * * This function is called in the SLI initialization code path to @@ -2781,7 +2780,7 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba) } /** - * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart. + * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart * @phba: Pointer to HBA context object. * * This function is called after a HBA restart to wait for successful @@ -2876,7 +2875,7 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) } /** - * lpfc_sli_hbq_count: Get the number of HBQs to be configured. + * lpfc_sli_hbq_count - Get the number of HBQs to be configured * * This function calculates and returns the number of HBQs required to be * configured. @@ -2888,7 +2887,7 @@ lpfc_sli_hbq_count(void) } /** - * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries. + * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries * * This function adds the number of hbq entries in every HBQ to get * the total number of hbq entries required for the HBA and returns @@ -2907,7 +2906,7 @@ lpfc_sli_hbq_entry_count(void) } /** - * lpfc_sli_hbq_size: Calculate memory required for all hbq entries. + * lpfc_sli_hbq_size - Calculate memory required for all hbq entries * * This function calculates amount of memory required for all hbq entries * to be configured and returns the total memory required. @@ -2919,7 +2918,7 @@ lpfc_sli_hbq_size(void) } /** - * lpfc_sli_hbq_setup: configure and initialize HBQs. + * lpfc_sli_hbq_setup - configure and initialize HBQs * @phba: Pointer to HBA context object. * * This function is called during the SLI initialization to configure @@ -2988,7 +2987,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_config_port: Issue config port mailbox command. + * lpfc_sli_config_port - Issue config port mailbox command * @phba: Pointer to HBA context object. * @sli_mode: sli mode - 2/3 * @@ -3114,7 +3113,7 @@ do_prep_failed: /** - * lpfc_sli_hba_setup: SLI intialization function. + * lpfc_sli_hba_setup - SLI intialization function * @phba: Pointer to HBA context object. * * This function is the main SLI intialization function. This function @@ -3206,7 +3205,7 @@ lpfc_sli_hba_setup_error: /** - * lpfc_mbox_timeout: Timeout call back function for mbox timer. + * lpfc_mbox_timeout - Timeout call back function for mbox timer * @ptr: context object - pointer to hba structure. * * This is the callback function for mailbox timer. The mailbox @@ -3237,7 +3236,7 @@ lpfc_mbox_timeout(unsigned long ptr) /** - * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout. + * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout * @phba: Pointer to HBA context object. * * This function is called from worker thread when a mailbox command times out. @@ -3295,7 +3294,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) } /** - * lpfc_sli_issue_mbox: Issue a mailbox command to firmware. + * lpfc_sli_issue_mbox - Issue a mailbox command to firmware * @phba: Pointer to HBA context object. * @pmbox: Pointer to mailbox object. * @flag: Flag indicating how the mailbox need to be processed. @@ -3632,7 +3631,7 @@ out_not_finished: } /** - * __lpfc_sli_ringtx_put: Add an iocb to the txq. + * __lpfc_sli_ringtx_put - Add an iocb to the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to address of newly added command iocb. @@ -3651,7 +3650,7 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_next_iocb: Get the next iocb in the txq. + * lpfc_sli_next_iocb - Get the next iocb in the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to address of newly added command iocb. @@ -3683,7 +3682,7 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb. + * __lpfc_sli_issue_iocb - Lockless version of lpfc_sli_issue_iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to command iocb. @@ -3813,7 +3812,7 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /** - * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb. + * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to command iocb. @@ -3840,7 +3839,7 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_extra_ring_setup: Extra ring setup function. + * lpfc_extra_ring_setup - Extra ring setup function * @phba: Pointer to HBA context object. * * This function is called while driver attaches with the @@ -3886,7 +3885,7 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) } /** - * lpfc_sli_async_event_handler: ASYNC iocb handler function. + * lpfc_sli_async_event_handler - ASYNC iocb handler function * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @iocbq: Pointer to iocb object. @@ -3954,7 +3953,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, /** - * lpfc_sli_setup: SLI ring setup function. + * lpfc_sli_setup - SLI ring setup function * @phba: Pointer to HBA context object. * * lpfc_sli_setup sets up rings of the SLI interface with @@ -4076,7 +4075,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_queue_setup: Queue initialization function. + * lpfc_sli_queue_setup - Queue initialization function * @phba: Pointer to HBA context object. * * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each @@ -4115,7 +4114,7 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_host_down: Vport cleanup function. + * lpfc_sli_host_down - Vport cleanup function * @vport: Pointer to virtual port object. * * lpfc_sli_host_down is called to clean up the resources @@ -4194,7 +4193,7 @@ lpfc_sli_host_down(struct lpfc_vport *vport) } /** - * lpfc_sli_hba_down: Resource cleanup function for the HBA. + * lpfc_sli_hba_down - Resource cleanup function for the HBA * @phba: Pointer to HBA context object. * * This function cleans up all iocb, buffers, mailbox commands @@ -4299,7 +4298,7 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } /** - * lpfc_sli_pcimem_bcopy: SLI memory copy function. + * lpfc_sli_pcimem_bcopy - SLI memory copy function * @srcp: Source memory pointer. * @destp: Destination memory pointer. * @cnt: Number of words required to be copied. @@ -4329,7 +4328,7 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) /** - * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq. + * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mp: Pointer to driver buffer object. @@ -4352,8 +4351,7 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted - * using CMD_QUE_XRI64_CX iocb. + * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer * @phba: Pointer to HBA context object. * * When HBQ is enabled, buffers are searched based on tags. This function @@ -4378,8 +4376,7 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) } /** - * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with - * posted using CMD_QUE_XRI64_CX iocb. + * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @tag: Buffer tag. @@ -4422,8 +4419,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for - * unsolicited ct and els events. + * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @phys: DMA address of the buffer. @@ -4466,7 +4462,7 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs. + * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. * @rspiocb: Pointer to driver response iocb object. @@ -4542,7 +4538,7 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command. + * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. * @rspiocb: Pointer to driver response iocb object. @@ -4572,7 +4568,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_issue_abort_iotag: Abort function for a command iocb. + * lpfc_sli_issue_abort_iotag - Abort function for a command iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @cmdiocb: Pointer to driver command iocb object. @@ -4658,15 +4654,14 @@ abort_iotag_exit: } /** - * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands - * associated with a vport/SCSI target/lun. + * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN * @iocbq: Pointer to driver iocb object. * @vport: Pointer to driver virtual port object. * @tgt_id: SCSI ID of the target. * @lun_id: LUN ID of the scsi device. * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST * - * This function acts as iocb filter for functions which abort or count + * This function acts as an iocb filter for functions which abort or count * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return * 0 if the filtering criteria is met for the given iocb and will return * 1 if the filtering criteria is not met. @@ -4724,7 +4719,7 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, } /** - * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending. + * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending * @vport: Pointer to virtual port. * @tgt_id: SCSI ID of the target. * @lun_id: LUN ID of the scsi device. @@ -4762,8 +4757,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, } /** - * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted - * FCP iocb. + * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs * @phba: Pointer to HBA context object * @cmdiocb: Pointer to command iocb object. * @rspiocb: Pointer to response iocb object. @@ -4781,8 +4775,7 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands - * pending on a SCSI host(vport)/target/lun. + * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN * @vport: Pointer to virtual port. * @pring: Pointer to driver SLI ring object. * @tgt_id: SCSI ID of the target. @@ -4854,8 +4847,7 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using - * lpfc_sli_issue_iocb_wait. + * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler * @phba: Pointer to HBA context object. * @cmdiocbq: Pointer to command iocb. * @rspiocbq: Pointer to response iocb. @@ -4893,7 +4885,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, } /** - * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands. + * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands * @phba: Pointer to HBA context object.. * @pring: Pointer to sli ring. * @piocb: Pointer to command iocb. @@ -5000,7 +4992,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, } /** - * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox. + * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox * @phba: Pointer to HBA context object. * @pmboxq: Pointer to driver mailbox object. * @timeout: Timeout in number of seconds. @@ -5070,7 +5062,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, } /** - * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function. + * lpfc_sli_flush_mbox_queue - mailbox queue cleanup function * @phba: Pointer to HBA context. * * This function is called to cleanup any pending mailbox @@ -5113,7 +5105,7 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) } /** - * lpfc_sli_check_eratt: check error attention events + * lpfc_sli_check_eratt - check error attention events * @phba: Pointer to HBA context. * * This function is called form timer soft interrupt context to check HBA's @@ -5162,7 +5154,7 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) } /** - * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver. + * lpfc_sp_intr_handler - The slow-path interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5423,7 +5415,7 @@ send_current_mbox: } /* lpfc_sp_intr_handler */ /** - * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver. + * lpfc_fp_intr_handler - The fast-path interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5510,7 +5502,7 @@ lpfc_fp_intr_handler(int irq, void *dev_id) } /* lpfc_fp_intr_handler */ /** - * lpfc_intr_handler: The device-level interrupt handler of lpfc driver. + * lpfc_intr_handler - The device-level interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 63b54c66756c..917ad56b0aff 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -206,7 +206,7 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport) } /** - * lpfc_discovery_wait: Wait for driver discovery to quiesce. + * lpfc_discovery_wait - Wait for driver discovery to quiesce * @vport: The virtual port for which this call is being executed. * * This driver calls this routine specifically from lpfc_vport_delete @@ -741,7 +741,7 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) /** - * lpfc_vport_reset_stat_data: Reset the statistical data for the vport. + * lpfc_vport_reset_stat_data - Reset the statistical data for the vport * @vport: Pointer to vport object. * * This function resets the statistical data for the vport. This function @@ -763,8 +763,7 @@ lpfc_vport_reset_stat_data(struct lpfc_vport *vport) /** - * lpfc_alloc_bucket: Allocate data buffer required for collecting - * statistical data. + * lpfc_alloc_bucket - Allocate data buffer required for statistical data * @vport: Pointer to vport object. * * This function allocates data buffer required for all the FC @@ -797,8 +796,7 @@ lpfc_alloc_bucket(struct lpfc_vport *vport) } /** - * lpfc_free_bucket: Free data buffer required for collecting - * statistical data. + * lpfc_free_bucket - Free data buffer required for statistical data * @vport: Pointer to vport object. * * Th function frees statistical data buffer of all the FC From a257bf905efd22fd2c055580b0ab2e8e7ed1b6a1 Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 6 Apr 2009 18:48:10 -0400 Subject: [PATCH 134/478] [SCSI] lpfc 8.3.1: misc fixes/changes 8.3.1 Fixes/Changes : - Fix incorrect byte-swapping on word 4 of IOCB (data length) which caused LUNs to not be discovered on big-endian (e.g. PPC) - Remove a bad cast of MBslimaddr which loses the __iomem (sparse) - Make lpfc_debugfs_mask_disc_trc static (sparse) - Correct misspelled word BlockGuard in lpfc_logmsg.h comment - Replaced repeated code segment for canceling IOCBs from a list with a function call, lpfc_sli_cancel_iocbs(). - Increased HBQ buffers to support 40KB SSC sequences. - Added sysfs interface to update speed and topology parameter without link bounce. - Fixed bug with sysfs fc_host WWNs not being updated after changing the WWNs. - Check if the active mailbox is NULL in the beginning of the mailbox timeout handler - fixes panic in the mailbox timeout handler while running IO stress test - Fixed system panic in lpfc_pci_remove_one() due to ndlp indirect reference to phba through vport - Removed de-reference of scsi device after call to scsi_done() to fix panic in scsi completion path while accessing scsi device after scsi_done is called. - Fixed "Nodelist not empty" message when unloading the driver after target reboot test - Added LP2105 HBA model description - Added code to print all 16 words of unrecognized ASYNC events - Fixed memory leak in vport create + delete loop - Added support for handling dual error bit from HBA - Fixed a driver NULL pointer dereference in lpfc_sli_process_sol_iocb - Fixed a discovery bug with FC switch reboot in lpfc_setup_disc_node - Take NULL termintator into account when calculating available buffer space Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 2 +- drivers/scsi/lpfc/lpfc_attr.c | 67 +++++++-- drivers/scsi/lpfc/lpfc_crtn.h | 2 + drivers/scsi/lpfc/lpfc_debugfs.c | 5 +- drivers/scsi/lpfc/lpfc_disc.h | 1 + drivers/scsi/lpfc/lpfc_els.c | 75 +++------- drivers/scsi/lpfc/lpfc_hbadisc.c | 80 +++++------ drivers/scsi/lpfc/lpfc_init.c | 104 +++++++++++--- drivers/scsi/lpfc/lpfc_logmsg.h | 2 +- drivers/scsi/lpfc/lpfc_nportdisc.c | 16 +-- drivers/scsi/lpfc/lpfc_scsi.c | 47 +++--- drivers/scsi/lpfc/lpfc_sli.c | 221 +++++++++++++++++++---------- 12 files changed, 377 insertions(+), 245 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index dcba267db711..1105f9a111ba 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -443,6 +443,7 @@ struct lpfc_hba { uint32_t hba_flag; /* hba generic flags */ #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ +#define DEFER_ERATT 0x4 /* Deferred error attention in progress */ struct lpfc_dmabuf slim2p; MAILBOX_t *mbox; @@ -723,4 +724,3 @@ lpfc_sli_read_hs(struct lpfc_hba *phba) return; } - diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 69296cd6e9d7..c14f0cbdb125 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -2216,18 +2216,41 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_topology_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_topology_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (val >= 0 && val <= 6) { prev_val = phba->cfg_topology; phba->cfg_topology = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_topology = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "%d:0467 lpfc_topology attribute cannot be set to %d, " @@ -2240,7 +2263,6 @@ module_param(lpfc_topology, int, 0); MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); lpfc_param_show(topology) lpfc_param_init(topology, 0, 0, 6) -lpfc_param_store(topology) static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, lpfc_topology_show, lpfc_topology_store); @@ -2281,7 +2303,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, unsigned long base, step, bucket_type; if (!strncmp(buf, "setbucket", strlen("setbucket"))) { - if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN) + if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) return -EINVAL; strcpy(bucket_data, buf); @@ -2598,12 +2620,29 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_link_speed_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || @@ -2611,14 +2650,19 @@ lpfc_link_speed_set(struct lpfc_hba *phba, int val) ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) return -EINVAL; - if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + if ((val >= 0 && val <= 8) && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { prev_val = phba->cfg_link_speed; phba->cfg_link_speed = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_link_speed = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -2665,7 +2709,6 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val) return -EINVAL; } -lpfc_param_store(link_speed) static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, lpfc_link_speed_show, lpfc_link_speed_store); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 07f4976319a5..f88ce3f26190 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -184,6 +184,8 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *); struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *); +void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t, + uint32_t); void lpfc_reset_barrier(struct lpfc_hba * phba); int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index abb870e595b3..52be5644e07a 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -95,7 +95,7 @@ module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, "Set debugfs slow ring trace depth"); -int lpfc_debugfs_mask_disc_trc; +static int lpfc_debugfs_mask_disc_trc; module_param(lpfc_debugfs_mask_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, "Set debugfs discovery trace mask"); @@ -399,8 +399,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) len += snprintf(buf+len, size-len, "HBA SLIM\n"); lpfc_memcpy_from_slim(buffer, - ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off, - 1024); + phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024); ptr = (uint32_t *)&buffer[0]; off = lpfc_debugfs_last_hba_slim_off; diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index f29e548a90d1..ffd108972072 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -99,6 +99,7 @@ struct lpfc_nodelist { #define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */ struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */ + struct lpfc_hba *phba; struct fc_rport *rport; /* Corresponding FC transport port structure */ struct lpfc_vport *vport; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index d32c98bcf0c5..b8b34cf5c3d2 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -5058,19 +5058,9 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &piocb->iocb; - list_del_init(&piocb->list); - - if (!piocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, piocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } - } + /* Cancell all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); return; } @@ -5121,18 +5111,11 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba) lpfc_sli_issue_abort_iotag(phba, pring, piocb); } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &piocb->iocb; - list_del_init(&piocb->list); - if (!piocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, piocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } - } + + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + return; } @@ -6468,7 +6451,6 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) LIST_HEAD(completions); struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *tmp_iocb, *piocb; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -6481,15 +6463,9 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** @@ -6506,10 +6482,9 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) { LIST_HEAD(completions); - struct lpfc_hba *phba = ndlp->vport->phba; + struct lpfc_hba *phba = ndlp->phba; struct lpfc_iocbq *tmp_iocb, *piocb; struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -6521,15 +6496,9 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** @@ -6546,20 +6515,12 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) void lpfc_fabric_abort_hba(struct lpfc_hba *phba) { LIST_HEAD(completions); - struct lpfc_iocbq *piocb; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_splice_init(&phba->fabric_iocb_list, &completions); spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 9373a9e7485a..e764ce0bf704 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -78,7 +78,7 @@ lpfc_terminate_rport_io(struct fc_rport *rport) return; } - phba = ndlp->vport->phba; + phba = ndlp->phba; lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, "rport terminate: sid:x%x did:x%x flg:x%x", @@ -1862,9 +1862,14 @@ lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) * @vport: Pointer to Virtual Port object. * @ndlp: Pointer to FC node object. * @did: FC_ID of the node. - * This function is always called when node object need to - * be initialized. It initializes all the fields of the node - * object. + * + * This function is always called when node object need to be initialized. + * It initializes all the fields of the node object. Although the reference + * to phba from @ndlp can be obtained indirectly through it's reference to + * @vport, a direct reference to phba is taken here by @ndlp. This is due + * to the life-span of the @ndlp might go beyond the existence of @vport as + * the final release of ndlp is determined by its reference count. And, the + * operation on @ndlp needs the reference to phba. **/ static inline void lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, @@ -1877,6 +1882,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp->nlp_delayfunc.data = (unsigned long)ndlp; ndlp->nlp_DID = did; ndlp->vport = vport; + ndlp->phba = vport->phba; ndlp->nlp_sid = NLP_NO_SID; kref_init(&ndlp->kref); NLP_INT_NODE_ACT(ndlp); @@ -2086,7 +2092,6 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) struct lpfc_sli *psli; struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *icmd; uint32_t rpi, i; lpfc_fabric_abort_nport(ndlp); @@ -2122,19 +2127,9 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } } - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl)(phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); return 0; } @@ -2186,9 +2181,13 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport) mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->context1 = NULL; rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); - if (rc == MBX_NOT_FINISHED) { + if (rc != MBX_TIMEOUT) mempool_free(mbox, phba->mbox_mem_pool); - } + + if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, + "1836 Could not issue " + "unreg_login(all_rpis) status %d\n", rc); } } @@ -2206,12 +2205,14 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport) mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->context1 = NULL; rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); - if (rc == MBX_NOT_FINISHED) { + if (rc != MBX_TIMEOUT) + mempool_free(mbox, phba->mbox_mem_pool); + + if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, "1815 Could not issue " - "unreg_did (default rpis)\n"); - mempool_free(mbox, phba->mbox_mem_pool); - } + "unreg_did (default rpis) status %d\n", + rc); } } @@ -2470,14 +2471,13 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) if (ndlp->nlp_flag & NLP_RCV_PLOGI) return NULL; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); - /* Since this node is marked for discovery, * delay timeout is not needed. */ lpfc_cancel_retry_delay_tmo(vport, ndlp); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); } else ndlp = NULL; } else { @@ -2740,19 +2740,9 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } static void @@ -3173,7 +3163,7 @@ lpfc_nlp_release(struct kref *kref) lpfc_nlp_remove(ndlp->vport, ndlp); /* clear the ndlp active flag for all release cases */ - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); NLP_CLR_NODE_ACT(ndlp); spin_unlock_irqrestore(&phba->ndlp_lock, flags); @@ -3181,7 +3171,7 @@ lpfc_nlp_release(struct kref *kref) /* free ndlp memory for final ndlp release */ if (NLP_CHK_FREE_REQ(ndlp)) { kfree(ndlp->lat_data); - mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); + mempool_free(ndlp, ndlp->phba->nlp_mem_pool); } } @@ -3204,7 +3194,7 @@ lpfc_nlp_get(struct lpfc_nodelist *ndlp) * ndlp reference count that is in the process of being * released. */ - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { spin_unlock_irqrestore(&phba->ndlp_lock, flags); @@ -3240,7 +3230,7 @@ lpfc_nlp_put(struct lpfc_nodelist *ndlp) "node put: did:x%x flg:x%x refcnt:x%x", ndlp->nlp_DID, ndlp->nlp_flag, atomic_read(&ndlp->kref.refcount)); - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); /* Check the ndlp memory free acknowledge flag to avoid the * possible race condition that kref_put got invoked again diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index e3645e8f3487..86d1bdcbf2d8 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -302,6 +302,7 @@ int lpfc_config_port_post(struct lpfc_hba *phba) { struct lpfc_vport *vport = phba->pport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; struct lpfc_dmabuf *mp; @@ -359,6 +360,11 @@ lpfc_config_port_post(struct lpfc_hba *phba) sizeof (struct lpfc_name)); memcpy(&vport->fc_portname, &vport->fc_sparam.portName, sizeof (struct lpfc_name)); + + /* Update the fc_host data structures with new wwn. */ + fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); + fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); + /* If no serial number in VPD data, use low 6 bytes of WWNN */ /* This should be consolidated into parse_vpd ? - mr */ if (phba->SerialNumber[0] == 0) { @@ -598,8 +604,6 @@ lpfc_hba_down_post(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; struct lpfc_dmabuf *mp, *next_mp; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; LIST_HEAD(completions); int i; @@ -627,20 +631,9 @@ lpfc_hba_down_post(struct lpfc_hba *phba) pring->txcmplq_cnt = 0; spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, - list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); lpfc_sli_abort_iocb_ring(phba, pring); spin_lock_irq(&phba->hbalock); @@ -855,6 +848,72 @@ lpfc_offline_eratt(struct lpfc_hba *phba) return; } +/** + * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to handle the deferred HBA hardware error + * conditions. This type of error is indicated by HBA by setting ER1 + * and another ER bit in the host status register. The driver will + * wait until the ER1 bit clears before handling the error condition. + **/ +static void +lpfc_handle_deferred_eratt(struct lpfc_hba *phba) +{ + uint32_t old_host_status = phba->work_hs; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli = &phba->sli; + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0479 Deferred Adapter Hardware Error " + "Data: x%x x%x x%x\n", + phba->work_hs, + phba->work_status[0], phba->work_status[1]); + + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + spin_unlock_irq(&phba->hbalock); + + + /* + * Firmware stops when it triggred erratt. That could cause the I/Os + * dropped by the firmware. Error iocb (I/O) on txcmplq and let the + * SCSI layer retry it after re-establishing link. + */ + pring = &psli->ring[psli->fcp_ring]; + lpfc_sli_abort_iocb_ring(phba, pring); + + /* + * There was a firmware error. Take the hba offline and then + * attempt to restart it. + */ + lpfc_offline_prep(phba); + lpfc_offline(phba); + + /* Wait for the ER1 bit to clear.*/ + while (phba->work_hs & HS_FFER1) { + msleep(100); + phba->work_hs = readl(phba->HSregaddr); + /* If driver is unloading let the worker thread continue */ + if (phba->pport->load_flag & FC_UNLOADING) { + phba->work_hs = 0; + break; + } + } + + /* + * This is to ptrotect against a race condition in which + * first write to the host attention register clear the + * host status register. + */ + if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) + phba->work_hs = old_host_status & ~HS_FFER1; + + phba->hba_flag &= ~DEFER_ERATT; + phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); + phba->work_status[1] = readl(phba->MBslimaddr + 0xac); +} + /** * lpfc_handle_eratt - The HBA hardware error handler * @phba: pointer to lpfc hba data structure. @@ -894,6 +953,9 @@ lpfc_handle_eratt(struct lpfc_hba *phba) (char *) &board_event, LPFC_NL_VENDOR_ID); + if (phba->hba_flag & DEFER_ERATT) + lpfc_handle_deferred_eratt(phba); + if (phba->work_hs & HS_FFER6) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, @@ -1321,7 +1383,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: - m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; + m = (typeof(m)){"LP2105", max_speed, "PCIe"}; + GE = 1; break; case PCI_DEVICE_ID_ZMID: m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; @@ -3032,8 +3095,6 @@ lpfc_pci_remove_one(struct pci_dev *pdev) lpfc_free_sysfs_attr(vport); - kthread_stop(phba->worker_thread); - /* Release all the vports against this physical port */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) @@ -3051,7 +3112,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev) * clears the rings, discards all mailbox commands, and resets * the HBA. */ + + /* HBA interrupt will be diabled after this call */ lpfc_sli_hba_down(phba); + /* Stop kthread signal shall trigger work_done one more time */ + kthread_stop(phba->worker_thread); + /* Final cleanup of txcmplq and reset the HBA */ lpfc_sli_brdrestart(phba); lpfc_stop_phba_timers(phba); diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index a85b7c196bbc..1aa85709b012 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -27,7 +27,7 @@ #define LOG_FCP 0x40 /* FCP traffic history */ #define LOG_NODE 0x80 /* Node table events */ #define LOG_TEMP 0x100 /* Temperature sensor events */ -#define LOG_BG 0x200 /* BlockBuard events */ +#define LOG_BG 0x200 /* BlockGuard events */ #define LOG_MISC 0x400 /* Miscellaneous events */ #define LOG_SLI 0x800 /* SLI events */ #define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */ diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 8f548adae9cc..08cdc77af41c 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -192,7 +192,6 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *cmd; /* Abort outstanding I/O on NPort */ lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, @@ -223,19 +222,10 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); return 0; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 6eedb23980d6..167b66dd34c7 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -272,14 +272,14 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) **/ static inline void lpfc_rampup_queue_depth(struct lpfc_vport *vport, - struct scsi_device *sdev) + uint32_t queue_depth) { unsigned long flags; struct lpfc_hba *phba = vport->phba; uint32_t evt_posted; atomic_inc(&phba->num_cmd_success); - if (vport->cfg_lun_queue_depth <= sdev->queue_depth) + if (vport->cfg_lun_queue_depth <= queue_depth) return; spin_lock_irqsave(&phba->hbalock, flags); if (((phba->last_ramp_up_time + QUEUE_RAMP_UP_INTERVAL) > jiffies) || @@ -737,7 +737,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) * Due to difference in data length between DIF/non-DIF paths, * we need to set word 4 of IOCB here */ - iocb_cmd->un.fcpi.fcpi_parm = le32_to_cpu(scsi_bufflen(scsi_cmnd)); + iocb_cmd->un.fcpi.fcpi_parm = scsi_bufflen(scsi_cmnd); return 0; } @@ -1693,10 +1693,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, struct lpfc_nodelist *pnode = rdata->pnode; struct scsi_cmnd *cmd = lpfc_cmd->pCmd; int result; - struct scsi_device *sdev, *tmp_sdev; + struct scsi_device *tmp_sdev; int depth = 0; unsigned long flags; struct lpfc_fast_path_event *fast_path_evt; + struct Scsi_Host *shost = cmd->device->host; + uint32_t queue_depth, scsi_id; lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; @@ -1807,11 +1809,10 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_update_stats(phba, lpfc_cmd); result = cmd->result; - sdev = cmd->device; if (vport->cfg_max_scsicmpl_time && time_after(jiffies, lpfc_cmd->start_time + msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) { - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); if (pnode && NLP_CHK_NODE_ACT(pnode)) { if (pnode->cmd_qdepth > atomic_read(&pnode->cmd_pending) && @@ -1824,22 +1825,26 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, pnode->last_change_time = jiffies; } - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); } else if (pnode && NLP_CHK_NODE_ACT(pnode)) { if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) && time_after(jiffies, pnode->last_change_time + msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) { - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); pnode->cmd_qdepth += pnode->cmd_qdepth * LPFC_TGTQ_RAMPUP_PCENT / 100; if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH) pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; pnode->last_change_time = jiffies; - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); } } lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); + + /* The sdev is not guaranteed to be valid post scsi_done upcall. */ + queue_depth = cmd->device->queue_depth; + scsi_id = cmd->device->id; cmd->scsi_done(cmd); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { @@ -1847,28 +1852,28 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * If there is a thread waiting for command completion * wake up the thread. */ - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); lpfc_cmd->pCmd = NULL; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } if (!result) - lpfc_rampup_queue_depth(vport, sdev); + lpfc_rampup_queue_depth(vport, queue_depth); if (!result && pnode && NLP_CHK_NODE_ACT(pnode) && ((jiffies - pnode->last_ramp_up_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && ((jiffies - pnode->last_q_full_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && - (vport->cfg_lun_queue_depth > sdev->queue_depth)) { - shost_for_each_device(tmp_sdev, sdev->host) { + (vport->cfg_lun_queue_depth > queue_depth)) { + shost_for_each_device(tmp_sdev, shost) { if (vport->cfg_lun_queue_depth > tmp_sdev->queue_depth){ - if (tmp_sdev->id != sdev->id) + if (tmp_sdev->id != scsi_id) continue; if (tmp_sdev->ordered_tags) scsi_adjust_queue_depth(tmp_sdev, @@ -1884,7 +1889,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode, 0xFFFFFFFF, - sdev->queue_depth - 1, sdev->queue_depth); + queue_depth , queue_depth + 1); } /* @@ -1895,8 +1900,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, NLP_CHK_NODE_ACT(pnode)) { pnode->last_q_full_time = jiffies; - shost_for_each_device(tmp_sdev, sdev->host) { - if (tmp_sdev->id != sdev->id) + shost_for_each_device(tmp_sdev, shost) { + if (tmp_sdev->id != scsi_id) continue; depth = scsi_track_queue_full(tmp_sdev, tmp_sdev->queue_depth - 1); @@ -1908,7 +1913,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * scsi_track_queue_full. */ if (depth == -1) - depth = sdev->host->cmd_per_lun; + depth = shost->cmd_per_lun; if (depth) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP, @@ -1924,11 +1929,11 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * If there is a thread waiting for command completion * wake up the thread. */ - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); lpfc_cmd->pCmd = NULL; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); } diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 74cfa963dfc5..eb5c75c45ba4 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -184,6 +184,38 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) spin_unlock_irqrestore(&phba->hbalock, iflags); } +/** + * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. + * @phba: Pointer to HBA context object. + * @iocblist: List of IOCBs. + * @ulpstatus: ULP status in IOCB command field. + * @ulpWord4: ULP word-4 in IOCB command field. + * + * This function is called with a list of IOCBs to cancel. It cancels the IOCB + * on the list by invoking the complete callback function associated with the + * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond + * fields. + **/ +void +lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, + uint32_t ulpstatus, uint32_t ulpWord4) +{ + struct lpfc_iocbq *piocb; + + while (!list_empty(iocblist)) { + list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); + + if (!piocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, piocb); + else { + piocb->iocb.ulpStatus = ulpstatus; + piocb->iocb.un.ulpWord[4] = ulpWord4; + (piocb->iocb_cmpl) (phba, piocb, piocb); + } + } + return; +} + /** * lpfc_sli_iocb_cmd_type - Get the iocb type * @iocb_cmnd: iocb command code. @@ -818,8 +850,8 @@ static struct lpfc_hbq_init lpfc_els_hbq = { .profile = 0, .ring_mask = (1 << LPFC_ELS_RING), .buffer_count = 0, - .init_count = 20, - .add_count = 5, + .init_count = 40, + .add_count = 40, }; /* HBQ for the extra ring if needed */ @@ -1596,7 +1628,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, * Ring handler: unexpected completion IoTag * */ - lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI, + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0322 Ring %d handler: " "unexpected completion IoTag x%x " "Data: x%x x%x x%x x%x\n", @@ -2324,7 +2356,6 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { LIST_HEAD(completions); struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *cmd = NULL; if (pring->ringno == LPFC_ELS_RING) { lpfc_fabric_abort_hba(phba); @@ -2343,19 +2374,9 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** @@ -2373,8 +2394,6 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) { LIST_HEAD(txq); LIST_HEAD(txcmplq); - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; @@ -2392,34 +2411,12 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); /* Flush the txq */ - while (!list_empty(&txq)) { - iocb = list_get_first(&txq, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); /* Flush the txcmpq */ - while (!list_empty(&txcmplq)) { - iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); } /** @@ -3251,6 +3248,21 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; + /* Check the pmbox pointer first. There is a race condition + * between the mbox timeout handler getting executed in the + * worklist and the mailbox actually completing. When this + * race condition occurs, the mbox_active will be NULL. + */ + spin_lock_irq(&phba->hbalock); + if (pmbox == NULL) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_MBOX | LOG_SLI, + "0353 Active Mailbox cleared - mailbox timeout " + "exiting\n"); + spin_unlock_irq(&phba->hbalock); + return; + } + /* Mbox cmd timeout */ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", @@ -3258,6 +3270,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) phba->pport->port_state, phba->sli.sli_flag, phba->sli.mbox_active); + spin_unlock_irq(&phba->hbalock); /* Setting state unknown so lpfc_sli_abort_iocb_ring * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing @@ -3364,6 +3377,12 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) goto out_not_finished; } + /* If HBA has a deferred error attention, fail the iocb. */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irqrestore(&phba->hbalock, drvr_flag); + goto out_not_finished; + } + psli = &phba->sli; mb = &pmbox->mb; @@ -3728,6 +3747,10 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (unlikely(pci_channel_offline(phba->pcidev))) return IOCB_ERROR; + /* If HBA has a deferred error attention, fail the iocb. */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) + return IOCB_ERROR; + /* * We should never get an IOCB if we are in a < LINK_DOWN state */ @@ -3906,6 +3929,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, uint16_t temp; struct temp_event temp_event_data; struct Scsi_Host *shost; + uint32_t *iocb_w; icmd = &iocbq->iocb; evt_code = icmd->un.asyncstat.evt_code; @@ -3913,13 +3937,23 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, if ((evt_code != ASYNC_TEMP_WARN) && (evt_code != ASYNC_TEMP_SAFE)) { + iocb_w = (uint32_t *) icmd; lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0346 Ring %d handler: unexpected ASYNC_STATUS" - " evt_code 0x%x\n", + " evt_code 0x%x \n" + "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" + "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" + "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" + "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", pring->ringno, - icmd->un.asyncstat.evt_code); + icmd->un.asyncstat.evt_code, + iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], + iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], + iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], + iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); + return; } temp_event_data.data = (uint32_t)temp; @@ -4178,17 +4212,9 @@ lpfc_sli_host_down(struct lpfc_vport *vport) spin_unlock_irqrestore(&phba->hbalock, flags); - while (!list_empty(&completions)) { - list_remove_head(&completions, iocb, struct lpfc_iocbq, list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; - iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); return 1; } @@ -4215,8 +4241,6 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) struct lpfc_sli_ring *pring; struct lpfc_dmabuf *buf_ptr; LPFC_MBOXQ_t *pmb; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; int i; unsigned long flags = 0; @@ -4244,18 +4268,9 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } spin_unlock_irqrestore(&phba->hbalock, flags); - while (!list_empty(&completions)) { - list_remove_head(&completions, iocb, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); spin_lock_irqsave(&phba->hbalock, flags); list_splice_init(&phba->elsbuf, &completions); @@ -5137,11 +5152,31 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) return 0; } + /* + * If there is deferred error attention, do not check for error + * attention + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return 0; + } + /* Read chip Host Attention (HA) register */ ha_copy = readl(phba->HAregaddr); if (ha_copy & HA_ERATT) { /* Read host status register to retrieve error event */ lpfc_sli_read_hs(phba); + + /* Check if there is a deferred error condition is active */ + if ((HS_FFER1 & phba->work_hs) && + ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | + HS_FFER6 | HS_FFER7) & phba->work_hs)) { + phba->hba_flag |= DEFER_ERATT; + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); + } + /* Set the driver HA work bitmap */ phba->work_ha |= HA_ERATT; /* Indicate polling handles this ERATT */ @@ -5230,6 +5265,16 @@ lpfc_sp_intr_handler(int irq, void *dev_id) /* Indicate interrupt handler handles ERATT */ phba->hba_flag |= HBA_ERATT_HANDLED; } + + /* + * If there is deferred error attention, do not check for any + * interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } + /* Clear up only attention source related to slow-path */ writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), phba->HAregaddr); @@ -5301,8 +5346,22 @@ lpfc_sp_intr_handler(int irq, void *dev_id) } } spin_lock_irqsave(&phba->hbalock, iflag); - if (work_ha_copy & HA_ERATT) + if (work_ha_copy & HA_ERATT) { lpfc_sli_read_hs(phba); + /* + * Check if there is a deferred error condition + * is active + */ + if ((HS_FFER1 & phba->work_hs) && + ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | + HS_FFER6 | HS_FFER7) & phba->work_hs)) { + phba->hba_flag |= DEFER_ERATT; + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); + } + } + if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { pmb = phba->sli.mbox_active; pmbox = &pmb->mb; @@ -5466,6 +5525,14 @@ lpfc_fp_intr_handler(int irq, void *dev_id) ha_copy = readl(phba->HAregaddr); /* Clear up only attention source related to fast-path */ spin_lock_irqsave(&phba->hbalock, iflag); + /* + * If there is deferred error attention, do not check for + * any interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ @@ -5558,6 +5625,14 @@ lpfc_intr_handler(int irq, void *dev_id) phba->hba_flag |= HBA_ERATT_HANDLED; } + /* + * If there is deferred error attention, do not check for any interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } + /* Clear attention sources except link and error attentions */ writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ From e832b3ca653895d479c872f995d0a31a0b0bdecd Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 6 Apr 2009 18:48:17 -0400 Subject: [PATCH 135/478] [SCSI] lpfc 8.3.1 : Update version to 8.3.1 Update driver version to 8.3.1 Also update copyright end year for driver. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_version.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 7e32e95c5392..e599519e3078 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2008 Emulex. All rights reserved. * + * Copyright (C) 2004-2009 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.3.0" +#define LPFC_DRIVER_VERSION "8.3.1" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" @@ -26,4 +26,4 @@ #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -#define LPFC_COPYRIGHT "Copyright(c) 2004-2008 Emulex. All rights reserved." +#define LPFC_COPYRIGHT "Copyright(c) 2004-2009 Emulex. All rights reserved." From b4efdd586bc08cdf5977cad0a90091f44546a930 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Thu, 9 Apr 2009 15:57:10 -0500 Subject: [PATCH 136/478] [SCSI] fix q->lock not held warning when target is busy We cannot call blk_plug_device from scsi_target_queue_ready because the q lock is not held. And we do not need to call it from there because when we return 0, the scsi_request_fn not_ready handling will plug the queue for us if needed. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_lib.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index d1cb64ad1a3f..bb218c8b6e98 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1291,10 +1291,8 @@ static inline int scsi_target_queue_ready(struct Scsi_Host *shost, if (--starget->target_blocked == 0) { SCSI_LOG_MLQUEUE(3, starget_printk(KERN_INFO, starget, "unblocking target at zero depth\n")); - } else { - blk_plug_device(sdev->request_queue); + } else return 0; - } } if (scsi_target_is_busy(starget)) { From fd1b52435a6d9663de896e8437ef067372916ef3 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 7 Apr 2009 18:10:06 +0200 Subject: [PATCH 137/478] quota: remove obsolete comments in fs/quota/Makefile Get rid of useless comments and the equally useless obj-y initialization. Signed-off-by: Christoph Hellwig Signed-off-by: Jan Kara --- fs/quota/Makefile | 9 --------- 1 file changed, 9 deletions(-) diff --git a/fs/quota/Makefile b/fs/quota/Makefile index 385a0831cc99..68d4f6dc0578 100644 --- a/fs/quota/Makefile +++ b/fs/quota/Makefile @@ -1,12 +1,3 @@ -# -# Makefile for the Linux filesystems. -# -# 14 Sep 2000, Christoph Hellwig -# Rewritten to use lists instead of if-statements. -# - -obj-y := - obj-$(CONFIG_QUOTA) += dquot.o obj-$(CONFIG_QFMT_V1) += quota_v1.o obj-$(CONFIG_QFMT_V2) += quota_v2.o From a069e9cee1dba2f847839d325f46ce6976ed1b76 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 9 Apr 2009 18:07:10 +0200 Subject: [PATCH 138/478] ext2: missing unlock in ext2_quota_write() The inode->i_mutex should be unlocked. Found by smatch (http://repo.or.cz/w/smatch.git). Compile tested. Signed-off-by: Dan Carpenter Signed-off-by: Jan Kara --- fs/ext2/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index f983225266dc..5c4afe652245 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1395,8 +1395,10 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type, blk++; } out: - if (len == towrite) + if (len == towrite) { + mutex_unlock(&inode->i_mutex); return err; + } if (inode->i_size < off+len-towrite) i_size_write(inode, off+len-towrite); inode->i_version++; From 135ea137e3c2872448c12d3a8890389fa64990c6 Mon Sep 17 00:00:00 2001 From: Martin Petermann Date: Fri, 17 Apr 2009 15:08:01 +0200 Subject: [PATCH 139/478] [SCSI] zfcp: Avoid referencing freed memory in req send Avoid referencing a fsf request after sending it in fcp_fsf_req_send, it might have already completed and deallocated. Signed-off-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fsf.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index b29f3121b666..fa896dc600bf 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -766,8 +766,9 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter, static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; - unsigned long flags; - int idx; + unsigned long flags; + int idx; + int with_qtcb = (req->qtcb != NULL); /* put allocated FSF request into hash table */ spin_lock_irqsave(&adapter->req_list_lock, flags); @@ -789,7 +790,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) } /* Don't increase for unsolicited status */ - if (req->qtcb) + if (with_qtcb) adapter->fsf_req_seq_no++; adapter->req_no++; From 306b6edcdd7b6cc5fee50d48fc398201fa3df841 Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Fri, 17 Apr 2009 15:08:02 +0200 Subject: [PATCH 140/478] [SCSI] zfcp: Enable auto-port discovery for NPIV. Since we're setting the host port type now to FC_PORTTYPE_NPIV for adapters running in NPIV mode we should allow this port type for auto-port scanning as well. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index e8d032b9dfbd..e56141d10407 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -637,7 +637,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter) max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES; max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE; - if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT) + if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT && + fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV) return 0; ret = zfcp_wka_port_get(&adapter->nsp); From ada81b748b768eb5b75567fd1db5e87ba5c98bf0 Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Fri, 17 Apr 2009 15:08:03 +0200 Subject: [PATCH 141/478] [SCSI] zfcp: Dont call zfcp_fsf_req_free on NULL pointer Fix problem that zfcp_fsf_exchange_config_data_sync and zfcp_fsf_exchange_config_data_sync could try to call zfcp_fsf_req_free with a NULL pointer. Reviewed-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fsf.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index fa896dc600bf..a8e84065d006 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -1254,13 +1254,13 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) - goto out; + goto out_unlock; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA, 0, NULL); if (IS_ERR(req)) { retval = PTR_ERR(req); - goto out; + goto out_unlock; } sbale = zfcp_qdio_sbale_req(req); @@ -1279,14 +1279,16 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); -out: spin_unlock_bh(&adapter->req_q_lock); if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); zfcp_fsf_req_free(req); + return retval; +out_unlock: + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1353,13 +1355,13 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) - goto out; + goto out_unlock; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0, NULL); if (IS_ERR(req)) { retval = PTR_ERR(req); - goto out; + goto out_unlock; } if (data) @@ -1372,14 +1374,18 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, req->handler = zfcp_fsf_exchange_port_data_handler; zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); -out: spin_unlock_bh(&adapter->req_q_lock); + if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); zfcp_fsf_req_free(req); return retval; + +out_unlock: + spin_unlock_bh(&adapter->req_q_lock); + return retval; } static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req) From 92d5193b467c68e8432d6878980621c787e735af Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Fri, 17 Apr 2009 15:08:04 +0200 Subject: [PATCH 142/478] [SCSI] zfcp: Dont block zfcp_wq with scan When running the scsi_scan from the zfcp workqueue and the target device does not respond, the zfcp workqueue can block until the scsi_scan hits a timeout. Move the work to the scsi host workqueue, since this one is also used for the scan from the SCSI midlayer. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_aux.c | 5 ++-- drivers/s390/scsi/zfcp_def.h | 2 +- drivers/s390/scsi/zfcp_erp.c | 50 +++-------------------------------- drivers/s390/scsi/zfcp_ext.h | 1 + drivers/s390/scsi/zfcp_scsi.c | 17 ++++++++++++ 5 files changed, 25 insertions(+), 50 deletions(-) diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 616c60ffcf2c..5a01ef9aeb66 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -97,9 +97,7 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun) ccw_device_set_online(adapter->ccw_device); zfcp_erp_wait(adapter); - wait_event(adapter->erp_done_wqh, - !(atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SCSI_WORK_PENDING)); + flush_work(&unit->scsi_work); down(&zfcp_data.config_sema); zfcp_unit_put(unit); @@ -279,6 +277,7 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun) atomic_set(&unit->refcount, 0); init_waitqueue_head(&unit->remove_wq); + INIT_WORK(&unit->scsi_work, zfcp_scsi_scan); unit->port = port; unit->fcp_lun = fcp_lun; diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index a0318630f047..4c362a9069f0 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -255,7 +255,6 @@ enum zfcp_wka_status { /* logical unit status */ #define ZFCP_STATUS_UNIT_SHARED 0x00000004 #define ZFCP_STATUS_UNIT_READONLY 0x00000008 -#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020 /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002 @@ -530,6 +529,7 @@ struct zfcp_unit { struct zfcp_erp_action erp_action; /* pending error recovery */ atomic_t erp_counter; struct zfcp_latencies latencies; + struct work_struct scsi_work; }; /* FSF request */ diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 631bdb1dfd6c..4e160523c31b 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -1176,48 +1176,6 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action) } } -struct zfcp_erp_add_work { - struct zfcp_unit *unit; - struct work_struct work; -}; - -static void zfcp_erp_scsi_scan(struct work_struct *work) -{ - struct zfcp_erp_add_work *p = - container_of(work, struct zfcp_erp_add_work, work); - struct zfcp_unit *unit = p->unit; - struct fc_rport *rport = unit->port->rport; - - if (rport && rport->port_state == FC_PORTSTATE_ONLINE) - scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, - scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0); - atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); - zfcp_unit_put(unit); - wake_up(&unit->port->adapter->erp_done_wqh); - kfree(p); -} - -static void zfcp_erp_schedule_work(struct zfcp_unit *unit) -{ - struct zfcp_erp_add_work *p; - - p = kzalloc(sizeof(*p), GFP_KERNEL); - if (!p) { - dev_err(&unit->port->adapter->ccw_device->dev, - "Registering unit 0x%016Lx on port 0x%016Lx failed\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - return; - } - - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); - INIT_WORK(&p->work, zfcp_erp_scsi_scan); - p->unit = unit; - if (!queue_work(zfcp_data.work_queue, &p->work)) - zfcp_unit_put(unit); -} - static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) { struct zfcp_adapter *adapter = act->adapter; @@ -1226,11 +1184,11 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) switch (act->action) { case ZFCP_ERP_ACTION_REOPEN_UNIT: - flush_work(&port->rport_work); if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) { - if (!(atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SCSI_WORK_PENDING)) - zfcp_erp_schedule_work(unit); + zfcp_unit_get(unit); + if (scsi_queue_work(unit->port->adapter->scsi_host, + &unit->scsi_work) <= 0) + zfcp_unit_put(unit); } zfcp_unit_put(unit); break; diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index f6399ca97bcb..df740f10d26a 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -158,6 +158,7 @@ extern void zfcp_scsi_rport_work(struct work_struct *); extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); +extern void zfcp_scsi_scan(struct work_struct *); /* zfcp_sysfs.c */ extern struct attribute_group zfcp_sysfs_unit_attrs; diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 58201e1ae478..5b11386d70bb 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -583,6 +583,23 @@ void zfcp_scsi_rport_work(struct work_struct *work) } +void zfcp_scsi_scan(struct work_struct *work) +{ + struct zfcp_unit *unit = container_of(work, struct zfcp_unit, + scsi_work); + struct fc_rport *rport; + + flush_work(&unit->port->rport_work); + rport = unit->port->rport; + + if (rport && rport->port_state == FC_PORTSTATE_ONLINE) + scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, + scsilun_to_int((struct scsi_lun *) + &unit->fcp_lun), 0); + + zfcp_unit_put(unit); +} + struct fc_function_template zfcp_transport_functions = { .show_starget_port_id = 1, .show_starget_port_name = 1, From 828bc1212a685918bbdb5866504b63eea2c241f5 Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Fri, 17 Apr 2009 15:08:05 +0200 Subject: [PATCH 143/478] [SCSI] zfcp: Set WKA-port to offline on adapter deactivation The nameserver port might be in state online when the adapter is offlined. On adapter reactivation the nameserver port is not re-opened due to the PORT_ONLINE status. This results in an unsuccessful recovery. In forcing the nameserver port status to offline on all adapter offline events this issue is prevented. Waiting for the reference count to drop to zero in zfcp_wka_port_offline is not required, so remove it. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_aux.c | 3 ++- drivers/s390/scsi/zfcp_ccw.c | 1 - drivers/s390/scsi/zfcp_erp.c | 1 + drivers/s390/scsi/zfcp_ext.h | 1 + drivers/s390/scsi/zfcp_fc.c | 15 ++++++++------- 5 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 5a01ef9aeb66..a00d2bb9559c 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -524,6 +524,8 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device) atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); + zfcp_fc_nameserver_init(adapter); + if (!zfcp_adapter_scsi_register(adapter)) return 0; @@ -552,7 +554,6 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter) cancel_work_sync(&adapter->scan_work); cancel_work_sync(&adapter->stat_work); - cancel_delayed_work_sync(&adapter->nsp.work); zfcp_adapter_scsi_unregister(adapter); sysfs_remove_group(&adapter->ccw_device->dev.kobj, &zfcp_sysfs_adapter_attrs); diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index cfb0dcb6e3ff..733fe3bf6285 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -108,7 +108,6 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device) /* initialize request counter */ BUG_ON(!zfcp_reqlist_isempty(adapter)); adapter->req_no = 0; - zfcp_fc_nameserver_init(adapter); zfcp_erp_modify_adapter_status(adapter, "ccsonl1", NULL, ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET); diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 4e160523c31b..b73e37027eb5 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -719,6 +719,7 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act) zfcp_qdio_close(adapter); zfcp_fsf_req_dismiss_all(adapter); adapter->fsf_req_seq_no = 0; + zfcp_fc_wka_port_force_offline(&adapter->nsp); /* all ports and units are closed */ zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL, ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR); diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index df740f10d26a..2e31b536548c 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -106,6 +106,7 @@ extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); extern void zfcp_test_link(struct zfcp_port *); extern void zfcp_fc_link_test_work(struct work_struct *); extern void zfcp_fc_nameserver_init(struct zfcp_adapter *); +extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *); /* zfcp_fsf.c */ extern int zfcp_fsf_open_port(struct zfcp_erp_action *); diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index e56141d10407..5d42929fe2f2 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -98,13 +98,6 @@ static void zfcp_wka_port_offline(struct work_struct *work) struct zfcp_wka_port *wka_port = container_of(dw, struct zfcp_wka_port, work); - /* Don't wait forvever. If the wka_port is too busy take it offline - through a new call later */ - if (!wait_event_timeout(wka_port->completion_wq, - atomic_read(&wka_port->refcount) == 0, - HZ >> 1)) - return; - mutex_lock(&wka_port->mutex); if ((atomic_read(&wka_port->refcount) != 0) || (wka_port->status != ZFCP_WKA_PORT_ONLINE)) @@ -142,6 +135,14 @@ void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter) INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline); } +void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka) +{ + cancel_delayed_work_sync(&wka->work); + mutex_lock(&wka->mutex); + wka->status = ZFCP_WKA_PORT_OFFLINE; + mutex_unlock(&wka->mutex); +} + static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, struct fcp_rscn_element *elem) { From 94ab4b38b2ab35a8ca955f4821c970a0ed7ec9ec Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Fri, 17 Apr 2009 15:08:06 +0200 Subject: [PATCH 144/478] [SCSI] zfcp: avoid false ERP complete due to sema race The ERP thread is performing a task before it is executing the corresponding down on the semaphore. The response handler of the just started exchange config should wait for the completion by performing a down on this semaphore. Since this semaphore is still positive from the ERP enqueue the handler won't wait and therefore the exchange config will always fail leaving the adapter in error. The problem can be solved by performing the down on the semaphore before starting an ERP task. This is the logically correct order. Only walk the ERP loop if there is a task to perform. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_erp.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index b73e37027eb5..fdc9b4352a64 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -1311,6 +1311,11 @@ static int zfcp_erp_thread(void *data) while (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL)) { + + zfcp_rec_dbf_event_thread_lock("erthrd1", adapter); + ignore = down_interruptible(&adapter->erp_ready_sem); + zfcp_rec_dbf_event_thread_lock("erthrd2", adapter); + write_lock_irqsave(&adapter->erp_lock, flags); next = adapter->erp_ready_head.next; write_unlock_irqrestore(&adapter->erp_lock, flags); @@ -1322,10 +1327,6 @@ static int zfcp_erp_thread(void *data) if (zfcp_erp_strategy(act) != ZFCP_ERP_DISMISSED) zfcp_erp_wakeup(adapter); } - - zfcp_rec_dbf_event_thread_lock("erthrd1", adapter); - ignore = down_interruptible(&adapter->erp_ready_sem); - zfcp_rec_dbf_event_thread_lock("erthrd2", adapter); } atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status); From d81ad31c6cf4e318e6b94c959bd9a56ca440b279 Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Fri, 17 Apr 2009 15:08:07 +0200 Subject: [PATCH 145/478] [SCSI] zfcp: no port recovery after storage side error inject The remote port remains in error state even if the connection is re-established. A wrong precondition check was performed on the port status leading to a cancellation of the port reopen. Remove the pre-req check because it's not required and better handled within the ERP. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fc.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 5d42929fe2f2..a0f925013acf 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -432,11 +432,6 @@ void zfcp_fc_link_test_work(struct work_struct *work) container_of(work, struct zfcp_port, test_link_work); int retval; - if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_UNBLOCKED)) { - zfcp_port_put(port); - return; /* port erp is running and will update rport status */ - } - zfcp_port_get(port); port->rport_task = RPORT_DEL; zfcp_scsi_rport_work(&port->rport_work); From 048225e3f44f07c0f67e9665be0b4f18788de0eb Mon Sep 17 00:00:00 2001 From: Martin Petermann Date: Fri, 17 Apr 2009 15:08:08 +0200 Subject: [PATCH 146/478] [SCSI] zfcp: remove unit will fail if add unit is not finished On some hardware it can take some time to add a unit. If some remove this unit during this process the remove will fail. Signed-off-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_sysfs.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 9a3b8e261c0a..3e51e64d1108 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -254,12 +254,21 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev, write_lock_irq(&zfcp_data.config_lock); unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (unit && (atomic_read(&unit->refcount) == 0)) { - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); - list_move(&unit->list, &unit_remove_lh); - } else - unit = NULL; + if (unit) { + write_unlock_irq(&zfcp_data.config_lock); + /* wait for possible timeout during SCSI probe */ + flush_work(&unit->scsi_work); + write_lock_irq(&zfcp_data.config_lock); + + if (atomic_read(&unit->refcount) == 0) { + zfcp_unit_get(unit); + atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, + &unit->status); + list_move(&unit->list, &unit_remove_lh); + } else { + unit = NULL; + } + } write_unlock_irq(&zfcp_data.config_lock); From f7306bf6150161689aaa445c433699895f446208 Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Fri, 17 Apr 2009 15:08:09 +0200 Subject: [PATCH 147/478] [SCSI] zfcp: Let actcli handle control file errors Error codes specific to the control file requests are evaluated by the actcli tool, so don't report -ENXIO for those. Generic problems are still checked for outside the command specific handler. Reviewed-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fsf.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index a8e84065d006..bd2b23766894 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -2479,8 +2479,6 @@ out: static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req) { - if (req->qtcb->header.fsf_status != FSF_GOOD) - req->status |= ZFCP_STATUS_FSFREQ_ERROR; } /** From 5b43e719308143ac02e6f4ee24132f8acad99ea7 Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Fri, 17 Apr 2009 15:08:10 +0200 Subject: [PATCH 148/478] [SCSI] zfcp: no port recovery after ADISC request timeout A remote port remains in error state even if we receive a RSCN stating that the connection is re-established. The port recovery is not started due to a flag which is not reset. The solution is to clear the flag in question before we trigger a ERP. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index a0f925013acf..db409684e06f 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -373,7 +373,8 @@ static void zfcp_fc_adisc_handler(unsigned long data) if (adisc->els.status) { /* request rejected or timed out */ - zfcp_erp_port_forced_reopen(port, 0, "fcadh_1", NULL); + zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, + "fcadh_1", NULL); goto out; } From c6936e7f34383db2f5038dfa2f0c168ebc2920e5 Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Fri, 17 Apr 2009 15:08:11 +0200 Subject: [PATCH 149/478] [SCSI] zfcp: Fix abort handler for completions in progress When the abort handler cannot find a pending FSF request, the request completion could just be running. This means we cannot return SUCCESS, since this would lead to call to scsi_done after exiting the SCSI error handler which is not allowed. Reviewed-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 5b11386d70bb..e7d065209065 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -171,7 +171,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) write_unlock_irqrestore(&adapter->abort_lock, flags); zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL, old_req_id); - return SUCCESS; + return FAILED; /* completion could be in progress */ } old_req->data = NULL; From 7001f0c4863230dd1560425fa0f5aad9e21716b8 Mon Sep 17 00:00:00 2001 From: Martin Petermann Date: Fri, 17 Apr 2009 15:08:12 +0200 Subject: [PATCH 150/478] [SCSI] zfcp: revert previous patch for sbal counting The current sbal counting can be wrong if a fsf request is waiting for free sbals and at the same time qdio request queue is shutdown and re-opened. Revering a previous patch fixes this issue. Signed-off-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fsf.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index bd2b23766894..3f365ace7711 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -645,30 +645,30 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) } } -static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) - __releases(&adapter->req_q_lock) - __acquires(&adapter->req_q_lock) +static int zfcp_fsf_sbal_check(struct zfcp_adapter *adapter) { struct zfcp_qdio_queue *req_q = &adapter->req_q; + + spin_lock_bh(&adapter->req_q_lock); + if (atomic_read(&req_q->count)) + return 1; + spin_unlock_bh(&adapter->req_q_lock); + return 0; +} + +static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) +{ long ret; - if (atomic_read(&req_q->count) <= -REQUEST_LIST_SIZE) - return -EIO; - if (atomic_read(&req_q->count) > 0) - return 0; - - atomic_dec(&req_q->count); spin_unlock_bh(&adapter->req_q_lock); ret = wait_event_interruptible_timeout(adapter->request_wq, - atomic_read(&req_q->count) >= 0, - 5 * HZ); - spin_lock_bh(&adapter->req_q_lock); - atomic_inc(&req_q->count); - + zfcp_fsf_sbal_check(adapter), 5 * HZ); if (ret > 0) return 0; if (!ret) atomic_inc(&adapter->qdio_outb_full); + + spin_lock_bh(&adapter->req_q_lock); return -EIO; } From 6ab35c0713daf8cd68f272a4be8dfc02c86bbd3b Mon Sep 17 00:00:00 2001 From: Martin Petermann Date: Fri, 17 Apr 2009 15:08:13 +0200 Subject: [PATCH 151/478] [SCSI] zfcp: Fix port reference counting If this problem appears zfcp ports cannot be de-queued since it is checked for a zero refcount. The port reference counting is wrong for existing zfcp ports when e.g. an adapter gets on-line again. During port scanning the reference counting for existing ports should not be changed. Signed-off-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index db409684e06f..19ae0842047c 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -539,6 +539,9 @@ static void zfcp_validate_port(struct zfcp_port *port) { struct zfcp_adapter *adapter = port->adapter; + if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC)) + return; + atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status); if ((port->supported_classes != 0) || @@ -599,10 +602,8 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries) if (acc->wwpn == fc_host_port_name(adapter->scsi_host)) continue; port = zfcp_get_port_by_wwpn(adapter, acc->wwpn); - if (port) { - zfcp_port_get(port); + if (port) continue; - } port = zfcp_port_enqueue(adapter, acc->wwpn, ZFCP_STATUS_COMMON_NOESC, d_id); From 3869bb6e73f5f55ce16b13025726b0bfdf1f4aae Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Fri, 17 Apr 2009 15:08:14 +0200 Subject: [PATCH 152/478] [SCSI] zfcp: Reference counting for cfdc requests Before dropping the reference count with zfcp_adapter_put, increase it with zfcp_adapter_get when issuing cfdc requests. Reviewed-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_cfdc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c index 10cbfd172a28..8305c874e86f 100644 --- a/drivers/s390/scsi/zfcp_cfdc.c +++ b/drivers/s390/scsi/zfcp_cfdc.c @@ -4,7 +4,7 @@ * Userspace interface for accessing the * Access Control Lists / Control File Data Channel * - * Copyright IBM Corporation 2008 + * Copyright IBM Corporation 2008, 2009 */ #define KMSG_COMPONENT "zfcp" @@ -197,6 +197,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command, retval = -ENXIO; goto free_buffer; } + zfcp_adapter_get(adapter); retval = zfcp_cfdc_sg_setup(data->command, fsf_cfdc->sg, data_user->control_file); From 70932935b61ee3dcc5a419ec4c367feb2ff808e4 Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Fri, 17 Apr 2009 15:08:15 +0200 Subject: [PATCH 153/478] [SCSI] zfcp: Fix oops when port disappears The zfcp_port might have been removed, while the FC fast_io_fail timer is still running and could trigger the terminate_rport_io callback. Set the pointer to the zfcp_port to NULL and check accordingly before using it. Reviewed-by: Martin Petermann Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_aux.c | 3 +-- drivers/s390/scsi/zfcp_fsf.c | 4 ++++ drivers/s390/scsi/zfcp_scsi.c | 25 +++++++++++++++++++------ 3 files changed, 24 insertions(+), 8 deletions(-) diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index a00d2bb9559c..3ac27ee47396 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -671,8 +671,7 @@ void zfcp_port_dequeue(struct zfcp_port *port) list_del(&port->list); write_unlock_irq(&zfcp_data.config_lock); if (port->rport) - fc_remote_port_delete(port->rport); - port->rport = NULL; + port->rport->dd_data = NULL; zfcp_adapter_put(port->adapter); sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs); device_unregister(&port->sysfs_device); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 3f365ace7711..74dee32afba8 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -172,12 +172,16 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, char *id, struct fsf_link_down_info *link_down) { struct zfcp_adapter *adapter = req->adapter; + unsigned long flags; if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED) return; atomic_set_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status); + + read_lock_irqsave(&zfcp_data.config_lock, flags); zfcp_scsi_schedule_rports_block(adapter); + read_unlock_irqrestore(&zfcp_data.config_lock, flags); if (!link_down) goto out; diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index e7d065209065..e8fbeaeb5fbf 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -486,10 +486,12 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout) */ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport) { - struct zfcp_port *port = rport->dd_data; + struct zfcp_port *port; write_lock_irq(&zfcp_data.config_lock); - port->rport = NULL; + port = rport->dd_data; + if (port) + port->rport = NULL; write_unlock_irq(&zfcp_data.config_lock); } @@ -503,9 +505,18 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport) */ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport) { - struct zfcp_port *port = rport->dd_data; + struct zfcp_port *port; - zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL); + write_lock_irq(&zfcp_data.config_lock); + port = rport->dd_data; + if (port) + zfcp_port_get(port); + write_unlock_irq(&zfcp_data.config_lock); + + if (port) { + zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL); + zfcp_port_put(port); + } } static void zfcp_scsi_rport_register(struct zfcp_port *port) @@ -534,8 +545,10 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port) static void zfcp_scsi_rport_block(struct zfcp_port *port) { - if (port->rport) - fc_remote_port_delete(port->rport); + struct fc_rport *rport = port->rport; + + if (rport) + fc_remote_port_delete(rport); } void zfcp_scsi_schedule_rport_register(struct zfcp_port *port) From 9a6510eb3f030cedba32664498a610dc6d084d46 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 21 Apr 2009 15:32:31 -0500 Subject: [PATCH 154/478] [SCSI] iscsi_tcp: don't fire conn error if pdu init fails If a command's scsi cmd pdu setup fails then we can just fail the IO to the scsi layer. If a DATA_OUT for a R2T fails then we will want to drop the session, because it means we got a bad request from the target (iscsi protocol error). This patch has us propogate the error upwards so libiscsi_tcp or libiscsi can decide what the best action is to take. It also fixes a bug where we could try to grab the session lock while holding it, because if iscsi_tcp drops the session in the pdu setup callout the session lock is held when setting up the scsi cmd pdu. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/iscsi_tcp.c | 2 +- drivers/scsi/libiscsi_tcp.c | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index b3e5e08e44ab..f97fc7e9de79 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -463,7 +463,7 @@ static int iscsi_sw_tcp_pdu_init(struct iscsi_task *task, } if (err) { - iscsi_conn_failure(conn, err); + /* got invalid offset/len */ return -EIO; } return 0; diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 91f8ce4d8d08..b579ca9f4836 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -1036,8 +1036,11 @@ flush: rc = conn->session->tt->init_pdu(task, r2t->data_offset + r2t->sent, r2t->data_count); - if (rc) + if (rc) { + iscsi_conn_failure(conn, ISCSI_ERR_XMIT_FAILED); return rc; + } + r2t->sent += r2t->data_count; goto flush; } From 6b5d6c443a9b4fd71b633cef66b5db4de8a85787 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 21 Apr 2009 15:32:32 -0500 Subject: [PATCH 155/478] [SCSI] cxgb3i, iser, iscsi_tcp: set target can queue Set target can queue limit to the number of preallocated session tasks we have. This along with the cxgb3i can_queue patch will fix a throughput problem where it could only queue one LU worth of data at a time. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/infiniband/ulp/iser/iscsi_iser.c | 1 + drivers/scsi/cxgb3i/cxgb3i_iscsi.c | 1 + drivers/scsi/iscsi_tcp.c | 1 + drivers/scsi/libiscsi.c | 10 ++++++++++ include/scsi/libiscsi.h | 2 ++ 5 files changed, 15 insertions(+) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 13d7674b293d..75223f50de58 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -599,6 +599,7 @@ static struct scsi_host_template iscsi_iser_sht = { .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, .eh_target_reset_handler= iscsi_eh_target_reset, + .target_alloc = iscsi_target_alloc, .use_clustering = DISABLE_CLUSTERING, .proc_name = "iscsi_iser", .this_id = -1, diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index fff8e4327644..b3ca3a05f0d9 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -883,6 +883,7 @@ static struct scsi_host_template cxgb3i_host_template = { .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler = iscsi_eh_device_reset, .eh_target_reset_handler = iscsi_eh_target_reset, + .target_alloc = iscsi_target_alloc, .use_clustering = DISABLE_CLUSTERING, .this_id = -1, }; diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index f97fc7e9de79..b7c092d63bbe 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -851,6 +851,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = { .use_clustering = DISABLE_CLUSTERING, .slave_alloc = iscsi_sw_tcp_slave_alloc, .slave_configure = iscsi_sw_tcp_slave_configure, + .target_alloc = iscsi_target_alloc, .proc_name = "iscsi_tcp", .this_id = -1, }; diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 689628359169..e72b4ad47d35 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1463,6 +1463,16 @@ int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) } EXPORT_SYMBOL_GPL(iscsi_change_queue_depth); +int iscsi_target_alloc(struct scsi_target *starget) +{ + struct iscsi_cls_session *cls_session = starget_to_session(starget); + struct iscsi_session *session = cls_session->dd_data; + + starget->can_queue = session->scsi_cmds_max; + return 0; +} +EXPORT_SYMBOL_GPL(iscsi_target_alloc); + void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) { struct iscsi_session *session = cls_session->dd_data; diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 7ffaed2f94dd..0289f5745fb9 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -36,6 +36,7 @@ struct scsi_transport_template; struct scsi_host_template; struct scsi_device; struct Scsi_Host; +struct scsi_target; struct scsi_cmnd; struct socket; struct iscsi_transport; @@ -350,6 +351,7 @@ extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, bool xmit_can_sleep); extern void iscsi_host_remove(struct Scsi_Host *shost); extern void iscsi_host_free(struct Scsi_Host *shost); +extern int iscsi_target_alloc(struct scsi_target *starget); /* * session management From dd0af9f94e54efb13ee050ebac11909215ef02c2 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 21 Apr 2009 15:32:33 -0500 Subject: [PATCH 156/478] [SCSI] cxgb3i: fix can_queue and cmd_per_lun initialization cxgb3i was setting can_queue to only 128 commands, and was setting the can_queue and cmd_per_lun to the same value. This sets the can_queue to 1024 commands, and sets the cmd_per_lun to a safer default of 32. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/cxgb3i/cxgb3i.h | 2 +- drivers/scsi/cxgb3i/cxgb3i_iscsi.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h index d362860e7504..59b0958d2d11 100644 --- a/drivers/scsi/cxgb3i/cxgb3i.h +++ b/drivers/scsi/cxgb3i/cxgb3i.h @@ -34,7 +34,7 @@ #include "cxgb3i_offload.h" #include "cxgb3i_ddp.h" -#define CXGB3I_SCSI_QDEPTH_DFLT 128 +#define CXGB3I_SCSI_HOST_QDEPTH 1024 #define CXGB3I_MAX_TARGET CXGB3I_MAX_CONN #define CXGB3I_MAX_LUN 512 #define ISCSI_PDU_NONPAYLOAD_MAX \ diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index b3ca3a05f0d9..9212400b9b13 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -876,10 +876,10 @@ static struct scsi_host_template cxgb3i_host_template = { .proc_name = "cxgb3i", .queuecommand = iscsi_queuecommand, .change_queue_depth = iscsi_change_queue_depth, - .can_queue = CXGB3I_SCSI_QDEPTH_DFLT - 1, + .can_queue = CXGB3I_SCSI_HOST_QDEPTH, .sg_tablesize = SG_ALL, .max_sectors = 0xFFFF, - .cmd_per_lun = CXGB3I_SCSI_QDEPTH_DFLT, + .cmd_per_lun = ISCSI_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler = iscsi_eh_device_reset, .eh_target_reset_handler = iscsi_eh_target_reset, From 1393109f23f8ad753a60a3e461c6caa96d8524f3 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 21 Apr 2009 15:32:34 -0500 Subject: [PATCH 157/478] [SCSI] cxgb3i: fix cpu use abuse during writes When doing a lot (128) of large writes (256K) we can hit the cxgb3_snd_win check pretty easily. The driver's xmit thread then takes 100% of the cpu. The driver should not be returning -EAGAIN for this problem. It should be returing -ENOBUFS, then when the window is opened again it should queue the xmit thread (it already wakes the xmit thread). Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/cxgb3i/cxgb3i_offload.c | 4 +++- drivers/scsi/cxgb3i/cxgb3i_pdu.c | 19 ++++++++++--------- 2 files changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c index 4d8654cdbdae..e11c9c180f39 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.c +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c @@ -1737,7 +1737,7 @@ int cxgb3i_c3cn_send_pdus(struct s3_conn *c3cn, struct sk_buff *skb) c3cn_tx_debug("c3cn 0x%p, snd %u - %u > %u.\n", c3cn, c3cn->write_seq, c3cn->snd_una, cxgb3_snd_win); - err = -EAGAIN; + err = -ENOBUFS; goto out_err; } @@ -1775,6 +1775,8 @@ done: out_err: if (copied == 0 && err == -EPIPE) copied = c3cn->err ? c3cn->err : -EPIPE; + else + copied = err; goto done; } diff --git a/drivers/scsi/cxgb3i/cxgb3i_pdu.c b/drivers/scsi/cxgb3i/cxgb3i_pdu.c index 7eebc9a7cb35..709105071177 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c +++ b/drivers/scsi/cxgb3i/cxgb3i_pdu.c @@ -400,17 +400,18 @@ int cxgb3i_conn_xmit_pdu(struct iscsi_task *task) return 0; } - if (err < 0 && err != -EAGAIN) { - kfree_skb(skb); - cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", - task->itt, skb, skb->len, skb->data_len, err); - iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); - iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); + if (err == -EAGAIN || err == -ENOBUFS) { + /* reset skb to send when we are called again */ + tdata->skb = skb; return err; } - /* reset skb to send when we are called again */ - tdata->skb = skb; - return -EAGAIN; + + kfree_skb(skb); + cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", + task->itt, skb, skb->len, skb->data_len, err); + iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); + iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); + return err; } int cxgb3i_pdu_init(void) From a53922ddcf69f4bd8aa321b1fb30418df7a86c61 Mon Sep 17 00:00:00 2001 From: "kxie@chelsio.com" Date: Tue, 21 Apr 2009 15:32:35 -0500 Subject: [PATCH 158/478] [SCSI] cxgb3i: fix ddp map overrun (version 2) Fixed a bug in calculating ddp map range when search for free entries: it was going beyond the end by one, thus corrupting gl_skb[0]. Signed-off-by: Karen Xie Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/cxgb3i/cxgb3i_ddp.c | 32 +++++++++++++++++++------------- 1 file changed, 19 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c index d06a661c209f..99c912547902 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c +++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c @@ -120,20 +120,26 @@ static void clear_ddp_map(struct cxgb3i_ddp_info *ddp, unsigned int tag, } static inline int ddp_find_unused_entries(struct cxgb3i_ddp_info *ddp, - int start, int max, int count, + unsigned int start, unsigned int max, + unsigned int count, struct cxgb3i_gather_list *gl) { - unsigned int i, j; + unsigned int i, j, k; + /* not enough entries */ + if ((max - start) < count) + return -EBUSY; + + max -= count; spin_lock(&ddp->map_lock); - for (i = start; i <= max;) { - for (j = 0; j < count; j++) { - if (ddp->gl_map[i + j]) + for (i = start; i < max;) { + for (j = 0, k = i; j < count; j++, k++) { + if (ddp->gl_map[k]) break; } if (j == count) { - for (j = 0; j < count; j++) - ddp->gl_map[i + j] = gl; + for (j = 0, k = i; j < count; j++, k++) + ddp->gl_map[k] = gl; spin_unlock(&ddp->map_lock); return i; } @@ -354,7 +360,7 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid, struct cxgb3i_ddp_info *ddp = tdev->ulp_iscsi; struct pagepod_hdr hdr; unsigned int npods; - int idx = -1, idx_max; + int idx = -1; int err = -ENOMEM; u32 sw_tag = *tagp; u32 tag; @@ -367,17 +373,17 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid, } npods = (gl->nelem + PPOD_PAGES_MAX - 1) >> PPOD_PAGES_SHIFT; - idx_max = ddp->nppods - npods + 1; if (ddp->idx_last == ddp->nppods) - idx = ddp_find_unused_entries(ddp, 0, idx_max, npods, gl); + idx = ddp_find_unused_entries(ddp, 0, ddp->nppods, npods, gl); else { idx = ddp_find_unused_entries(ddp, ddp->idx_last + 1, - idx_max, npods, gl); - if (idx < 0 && ddp->idx_last >= npods) + ddp->nppods, npods, gl); + if (idx < 0 && ddp->idx_last >= npods) { idx = ddp_find_unused_entries(ddp, 0, - ddp->idx_last - npods + 1, + min(ddp->idx_last + npods, ddp->nppods), npods, gl); + } } if (idx < 0) { ddp_log_debug("xferlen %u, gl %u, npods %u NO DDP.\n", From 0d228c0f7f9e3ade147e57682915c55b92448230 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Tue, 21 Apr 2009 16:26:52 -0700 Subject: [PATCH 159/478] [SCSI] libfc: Hold disc mutex while processing gpn ft resp gpn_ft_resp processing currently does not hold the discovery lock. disc_done() thus gets called from gpn_ft_resp or from gpn_ft_parse without the lock held. This then sets disc->pending to zero or calls gpn_ft_req() without disc_lock held. - Hold disc mutex during gpn_ft resp processing - In disc_done, release the disc mutex while calling lport callback Signed-off-by: Abhijeet Joglekar Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_disc.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index e57556ea5b48..44806307f831 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -461,21 +461,29 @@ static void fc_disc_del_target(struct fc_disc *disc, struct fc_rport *rport) /** * fc_disc_done() - Discovery has been completed * @disc: FC discovery context + * Locking Note: This function expects that the disc mutex is locked before + * it is called. The discovery callback is then made with the lock released, + * and the lock is re-taken before returning from this function */ static void fc_disc_done(struct fc_disc *disc) { struct fc_lport *lport = disc->lport; + enum fc_disc_event event; FC_DEBUG_DISC("Discovery complete for port (%6x)\n", fc_host_port_id(lport->host)); - disc->disc_callback(lport, disc->event); + event = disc->event; disc->event = DISC_EV_NONE; if (disc->requested) fc_disc_gpn_ft_req(disc); else disc->pending = 0; + + mutex_unlock(&disc->disc_mutex); + disc->disc_callback(lport, event); + mutex_lock(&disc->disc_mutex); } /** @@ -681,8 +689,8 @@ static void fc_disc_timeout(struct work_struct *work) * @fp: response frame * @lp_arg: Fibre Channel host port instance * - * Locking Note: This function expects that the disc_mutex is locked - * before it is called. + * Locking Note: This function is called without disc mutex held, and + * should do all its processing with the mutex held */ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, void *disc_arg) @@ -695,11 +703,13 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, unsigned int len; int error; + mutex_lock(&disc->disc_mutex); FC_DEBUG_DISC("Received a GPN_FT response on port (%6x)\n", fc_host_port_id(disc->lport->host)); if (IS_ERR(fp)) { fc_disc_error(disc, fp); + mutex_unlock(&disc->disc_mutex); return; } @@ -744,6 +754,8 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, disc->seq_count++; } fc_frame_free(fp); + + mutex_unlock(&disc->disc_mutex); } /** From 76f6804e7e7bb836cbdf4a73fe6c5485e4cc04c2 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Tue, 21 Apr 2009 16:26:58 -0700 Subject: [PATCH 160/478] [SCSI] libfc: Do not retry if the new state is not the same as old state For instance, if there is a Plogi pending (remote port is in Plogi state), and the state changes to say NONE (because the port is being logged off), then when the Plogi resp times out, do not start a retry. This patch partially reverts an earlier patch (libfc: check for err when recv and state is incorrect), by moving the state check back to before checking for error. However, if the state does not match, then there is an additional check to see if its an error ptr or a real frame before jumping to err or out respectively. Signed-off-by: Abhijeet Joglekar Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_lport.c | 60 ++++++++++++++++++++--------------- drivers/scsi/libfc/fc_rport.c | 48 ++++++++++++++++------------ 2 files changed, 63 insertions(+), 45 deletions(-) diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index b8178ef398d7..52c4f2dfcfd3 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -1032,17 +1032,19 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a RFT_ID response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_RFT_ID) { FC_DBG("Received a RFT_ID response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); ct = fc_frame_payload_get(fp, sizeof(*ct)); @@ -1084,17 +1086,19 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a RPN_ID response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_RPN_ID) { FC_DBG("Received a RPN_ID response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); ct = fc_frame_payload_get(fp, sizeof(*ct)); if (fh && ct && fh->fh_type == FC_TYPE_CT && @@ -1134,17 +1138,19 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a SCR response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_SCR) { FC_DBG("Received a SCR response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) fc_lport_enter_ready(lport); @@ -1360,17 +1366,19 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a LOGO response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_LOGO) { FC_DBG("Received a LOGO response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) fc_lport_enter_reset(lport); @@ -1444,17 +1452,19 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a FLOGI response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_FLOGI) { FC_DBG("Received a FLOGI response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); did = ntoh24(fh->fh_d_id); if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) { diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 0472bb73221e..eef70b4b7b92 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -505,17 +505,19 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a PLOGI response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_PLOGI) { FC_DBG("Received a PLOGI response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC && (plp = fc_frame_payload_get(fp, sizeof(*plp))) != NULL) { @@ -614,17 +616,19 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a PRLI response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_PRLI) { FC_DBG("Received a PRLI response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { pp = fc_frame_payload_get(fp, sizeof(*pp)); @@ -678,17 +682,19 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a LOGO response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_LOGO) { FC_DEBUG_RPORT("Received a LOGO response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { fc_rport_enter_rtv(rport); @@ -764,17 +770,19 @@ static void fc_rport_rtv_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a RTV response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_RTV) { FC_DBG("Received a RTV response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { struct fc_els_rtv_acc *rtv; From b4c6f54632ad664a3d9e7f05e4ea0f1803e32755 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Tue, 21 Apr 2009 16:27:04 -0700 Subject: [PATCH 161/478] [SCSI] libfc: Track rogue remote ports Rogue ports are currently not tracked on any list. The only reference to them is through any outstanding exchanges pending on the rogue ports. If the module is removed while a retry is set on a rogue port (say a Plogi retry for instance), this retry is not cancelled because there is no reference to the rogue port in the discovery rports list. Thus the local port can clean itself up, delete the exchange pool, and then the rogue port timeout can fire and try to start up another exchange. This patch tracks the rogue ports in a new list disc->rogue_rports. Creating a new list instead of using the disc->rports list keeps remote port code change to a minimum. 1) Whenever a rogue port is created, it is immediately added to the disc->rogue_rports list. 2) When the rogues port goes to ready, it is removed from the rogue list and the real remote port is added to the disc->rports list 3) The removal of the rogue from the disc->rogue_rports list is done in the context of the fc_rport_work() workQ thread in discovery callback. 4) Real rports are removed from the disc->rports list like before. Lookup is done only in the real rports list. This avoids making large changes to the remote port code. 5) In fc_disc_stop_rports, the rogues list is traversed in addition to the real list to stop the rogue ports and issue logoffs on them. This way, rogue ports get cleaned up when the local port goes away. 6) rogue remote ports are not removed from the list right away, but removed late in fc_rport_work() context, multiple threads can find the same remote port in the list and call rport_logoff(). Rport_logoff() only continues with the logoff if port is not in NONE state, thus preventing multiple logoffs and multiple list deletions. 7) Since the rport is removed from the disc list at a later stage (in the disc callback), incoming frames can find the rport even if rport_logoff() has been called on the rport. When rport_logoff() is called, the rport state is set to NONE, and we are trying to cancel all exchanges and retries on that port. While in this state, if an incoming Plogi/Prli/Logo or other frames match the rport, we should not reply because the rport is in the NONE state. Just drop the frame, since the rport will be deleted soon in the disc callback (fc_rport_work) 8) In fc_disc_single(), remove rport lookup and call to fc_disc_del_target. fc_disc_single() is called from recv_rscn_req() where rport lookup and rport_logoff is already done. Signed-off-by: Abhijeet Joglekar Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_disc.c | 36 ++++++++++++++++++++++++----------- drivers/scsi/libfc/fc_rport.c | 28 +++++++++++++++++++++++++++ include/scsi/libfc.h | 1 + 3 files changed, 54 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 44806307f831..4c880656990b 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -113,6 +113,11 @@ void fc_disc_stop_rports(struct fc_disc *disc) lport->tt.rport_logoff(rport); } + list_for_each_entry_safe(rdata, next, &disc->rogue_rports, peers) { + rport = PRIV_TO_RPORT(rdata); + lport->tt.rport_logoff(rport); + } + mutex_unlock(&disc->disc_mutex); } @@ -131,23 +136,32 @@ static void fc_disc_rport_callback(struct fc_lport *lport, { struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_disc *disc = &lport->disc; - int found = 0; FC_DEBUG_DISC("Received a %d event for port (%6x)\n", event, rport->port_id); - if (event == RPORT_EV_CREATED) { + switch (event) { + case RPORT_EV_CREATED: if (disc) { - found = 1; mutex_lock(&disc->disc_mutex); list_add_tail(&rdata->peers, &disc->rports); mutex_unlock(&disc->disc_mutex); } + break; + case RPORT_EV_LOGO: + case RPORT_EV_FAILED: + case RPORT_EV_STOP: + mutex_lock(&disc->disc_mutex); + mutex_lock(&rdata->rp_mutex); + if (rdata->trans_state == FC_PORTSTATE_ROGUE) + list_del(&rdata->peers); + mutex_unlock(&rdata->rp_mutex); + mutex_unlock(&disc->disc_mutex); + break; + default: + break; } - if (!found) - FC_DEBUG_DISC("The rport (%6x) is not maintained " - "by the discovery layer\n", rport->port_id); } /** @@ -439,6 +453,7 @@ static int fc_disc_new_target(struct fc_disc *disc, rdata = rport->dd_data; rdata->ops = &fc_disc_rport_ops; rdata->rp_state = RPORT_ST_INIT; + list_add_tail(&rdata->peers, &disc->rogue_rports); lport->tt.rport_login(rport); } } @@ -630,6 +645,8 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) rdata = rport->dd_data; rdata->ops = &fc_disc_rport_ops; rdata->local_port = lport; + list_add_tail(&rdata->peers, + &disc->rogue_rports); lport->tt.rport_login(rport); } else FC_DBG("Failed to allocate memory for " @@ -769,7 +786,6 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp) { struct fc_lport *lport; - struct fc_rport *rport; struct fc_rport *new_rport; struct fc_rport_libfc_priv *rdata; @@ -778,15 +794,12 @@ static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp) if (dp->ids.port_id == fc_host_port_id(lport->host)) goto out; - rport = lport->tt.rport_lookup(lport, dp->ids.port_id); - if (rport) - fc_disc_del_target(disc, rport); - new_rport = lport->tt.rport_create(dp); if (new_rport) { rdata = new_rport->dd_data; rdata->ops = &fc_disc_rport_ops; kfree(dp); + list_add_tail(&rdata->peers, &disc->rogue_rports); lport->tt.rport_login(new_rport); } return; @@ -848,6 +861,7 @@ int fc_disc_init(struct fc_lport *lport) INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout); mutex_init(&disc->disc_mutex); INIT_LIST_HEAD(&disc->rports); + INIT_LIST_HEAD(&disc->rogue_rports); disc->lport = lport; disc->delay = FC_DISC_DELAY; diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index eef70b4b7b92..5bf7a949f051 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -267,6 +267,10 @@ static void fc_rport_work(struct work_struct *work) "(%6x).\n", ids.port_id); event = RPORT_EV_FAILED; } + if (rport->port_id != FC_FID_DIR_SERV) + if (rport_ops->event_callback) + rport_ops->event_callback(lport, rport, + RPORT_EV_FAILED); put_device(&rport->dev); rport = new_rport; rdata = new_rport->dd_data; @@ -325,11 +329,20 @@ int fc_rport_login(struct fc_rport *rport) int fc_rport_logoff(struct fc_rport *rport) { struct fc_rport_libfc_priv *rdata = rport->dd_data; + struct fc_lport *lport = rdata->local_port; mutex_lock(&rdata->rp_mutex); FC_DEBUG_RPORT("Remove port (%6x)\n", rport->port_id); + if (rdata->rp_state == RPORT_ST_NONE) { + FC_DEBUG_RPORT("(%6x): Port (%6x) in NONE state," + " not removing", fc_host_port_id(lport->host), + rport->port_id); + mutex_unlock(&rdata->rp_mutex); + goto out; + } + fc_rport_enter_logo(rport); /* @@ -349,6 +362,7 @@ int fc_rport_logoff(struct fc_rport *rport) mutex_unlock(&rdata->rp_mutex); +out: return 0; } @@ -1015,6 +1029,8 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport, default: FC_DEBUG_RPORT("incoming PLOGI from %x in unexpected " "state %d\n", sid, rdata->rp_state); + fc_frame_free(fp); + return; break; } @@ -1106,6 +1122,8 @@ static void fc_rport_recv_prli_req(struct fc_rport *rport, reason = ELS_RJT_NONE; break; default: + fc_frame_free(rx_fp); + return; break; } len = fr_len(rx_fp) - sizeof(*fh); @@ -1235,6 +1253,11 @@ static void fc_rport_recv_prlo_req(struct fc_rport *rport, struct fc_seq *sp, "while in state %s\n", ntoh24(fh->fh_s_id), fc_rport_state(rport)); + if (rdata->rp_state == RPORT_ST_NONE) { + fc_frame_free(fp); + return; + } + rjt_data.fp = NULL; rjt_data.reason = ELS_RJT_UNAB; rjt_data.explan = ELS_EXPL_NONE; @@ -1264,6 +1287,11 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp, "while in state %s\n", ntoh24(fh->fh_s_id), fc_rport_state(rport)); + if (rdata->rp_state == RPORT_ST_NONE) { + fc_frame_free(fp); + return; + } + rdata->event = RPORT_EV_LOGO; queue_work(rport_event_queue, &rdata->event_work); diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 0303a6a098cc..45f9cc642c46 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -637,6 +637,7 @@ struct fc_disc { enum fc_disc_event); struct list_head rports; + struct list_head rogue_rports; struct fc_lport *lport; struct mutex disc_mutex; struct fc_gpn_ft_resp partial_buf; /* partial name buffer */ From a0fd2e49ec75bf74d3d202df51dfe65ad4c32605 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Tue, 21 Apr 2009 16:27:09 -0700 Subject: [PATCH 162/478] [SCSI] libfc: During fabric logoff, flush the rport Q after logging off dns port We want to generate the rport queue event (from the logoff) before flushing the queue otherwise the event may still be in the queue when we logoff. Signed-off-by: Abhijeet Joglekar Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_lport.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 52c4f2dfcfd3..4cd953378c57 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -618,6 +618,11 @@ int fc_fabric_logoff(struct fc_lport *lport) { lport->tt.disc_stop_final(lport); mutex_lock(&lport->lp_mutex); + if (lport->dns_rp) + lport->tt.rport_logoff(lport->dns_rp); + mutex_unlock(&lport->lp_mutex); + lport->tt.rport_flush_queue(); + mutex_lock(&lport->lp_mutex); fc_lport_enter_logo(lport); mutex_unlock(&lport->lp_mutex); cancel_delayed_work_sync(&lport->retry_work); @@ -1408,10 +1413,6 @@ static void fc_lport_enter_logo(struct fc_lport *lport) fc_lport_state_enter(lport, LPORT_ST_LOGO); - /* DNS session should be closed so we can release it here */ - if (lport->dns_rp) - lport->tt.rport_logoff(lport->dns_rp); - fp = fc_frame_alloc(lport, sizeof(*logo)); if (!fp) { fc_lport_error(lport, fp); From bbf156697a6332f9074e2b275a9157d99a431398 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Tue, 21 Apr 2009 16:27:14 -0700 Subject: [PATCH 163/478] [SCSI] libfc: Change state to NONE in fc_lport_destroy After lport_destroy, the local port should not be used again. Transition to state NONE, any incoming frames or link up should not transition out of this state since we are deleting exchange table and cleaning up the local port. Also, mark link as down. Signed-off-by: Abhijeet Joglekar Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_lport.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 4cd953378c57..e0c247724d2b 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -644,7 +644,12 @@ EXPORT_SYMBOL(fc_fabric_logoff); */ int fc_lport_destroy(struct fc_lport *lport) { + mutex_lock(&lport->lp_mutex); + lport->state = LPORT_ST_NONE; + lport->link_up = 0; lport->tt.frame_send = fc_frame_drop; + mutex_unlock(&lport->lp_mutex); + lport->tt.fcp_abort_io(lport); lport->tt.exch_mgr_reset(lport, 0, 0); return 0; From 55c7a60cf0c9113cb52d2b87abb120e951bdb332 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Tue, 21 Apr 2009 16:27:19 -0700 Subject: [PATCH 164/478] [SCSI] libfc: whenever queueing delete ev for rport, set state to NONE When a delete event is queued for an rport, set state to NONE so that no other processing is done on the rport as it is being removed. Signed-off-by: Abhijeet Joglekar Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_rport.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 5bf7a949f051..e675f5ac30cc 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -444,6 +444,7 @@ static void fc_rport_error(struct fc_rport *rport, struct fc_frame *fp) case RPORT_ST_PRLI: case RPORT_ST_LOGO: rdata->event = RPORT_EV_FAILED; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); break; @@ -664,6 +665,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, } else { FC_DBG("Bad ELS response\n"); rdata->event = RPORT_EV_FAILED; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); } @@ -715,6 +717,7 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, } else { FC_DBG("Bad ELS response\n"); rdata->event = RPORT_EV_LOGO; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); } @@ -1293,6 +1296,7 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp, } rdata->event = RPORT_EV_LOGO; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); From 3caf02ee280a171074476d346d01dc0f5e05b22c Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 21 Apr 2009 16:27:25 -0700 Subject: [PATCH 165/478] [SCSI] fcoe: kfree() -> kfree_skb() sk_buff pointers should use kfree_skb() instead of vanilla kfree(). Found by smatch (http://repo.or.cz/w/smatch.git). Signed-off-by: Dan Carpenter Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/fcoe/fcoe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 94e1e3189773..13a0a6fdefcc 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -1011,7 +1011,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) wlen = skb->len / FCOE_WORD_TO_BYTE; if (!lp->link_up) { - kfree(skb); + kfree_skb(skb); return 0; } From fc224a5bc949aa30df572e990201c8f95767658f Mon Sep 17 00:00:00 2001 From: Chris Leech Date: Tue, 21 Apr 2009 16:27:30 -0700 Subject: [PATCH 166/478] [SCSI] fcoe: don't export functions that are internal to fcoe These probably never should have been exported. If they were needed outside of the fcoe module, they would have been moved to libfcoe. Signed-off-by: Chris Leech Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/fcoe/fcoe.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 13a0a6fdefcc..7bd0e822459d 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -884,7 +884,6 @@ err2: kfree_skb(skb); return -1; } -EXPORT_SYMBOL_GPL(fcoe_rcv); /** * fcoe_start_io() - pass to netdev to start xmit for fcoe @@ -1123,7 +1122,6 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) return 0; } -EXPORT_SYMBOL_GPL(fcoe_xmit); /** * fcoe_percpu_receive_thread() - recv thread per cpu @@ -1652,7 +1650,6 @@ int fcoe_link_ok(struct fc_lport *lp) return rc; } -EXPORT_SYMBOL_GPL(fcoe_link_ok); /** * fcoe_percpu_clean() - Clear the pending skbs for an lport @@ -1684,7 +1681,6 @@ void fcoe_percpu_clean(struct fc_lport *lp) spin_unlock_bh(&pp->fcoe_rx_list.lock); } } -EXPORT_SYMBOL_GPL(fcoe_percpu_clean); /** * fcoe_clean_pending_queue() - Dequeue a skb and free it @@ -1705,7 +1701,6 @@ void fcoe_clean_pending_queue(struct fc_lport *lp) } spin_unlock_bh(&fc->fcoe_pending_queue.lock); } -EXPORT_SYMBOL_GPL(fcoe_clean_pending_queue); /** * fcoe_reset() - Resets the fcoe @@ -1719,7 +1714,6 @@ int fcoe_reset(struct Scsi_Host *shost) fc_lport_reset(lport); return 0; } -EXPORT_SYMBOL_GPL(fcoe_reset); /** * fcoe_hostlist_lookup_softc() - find the corresponding lport by a given device @@ -1757,7 +1751,6 @@ struct fc_lport *fcoe_hostlist_lookup(const struct net_device *netdev) return (fc) ? fc->ctlr.lp : NULL; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_lookup); /** * fcoe_hostlist_add() - Add a lport to lports list @@ -1778,7 +1771,6 @@ int fcoe_hostlist_add(const struct fc_lport *lp) } return 0; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_add); /** * fcoe_hostlist_remove() - remove a lport from lports list @@ -1798,7 +1790,6 @@ int fcoe_hostlist_remove(const struct fc_lport *lp) return 0; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_remove); /** * fcoe_init() - fcoe module loading initialization From dd3fd72e692c8af007f70df4433c0cffe8582d8b Mon Sep 17 00:00:00 2001 From: Chris Leech Date: Tue, 21 Apr 2009 16:27:36 -0700 Subject: [PATCH 167/478] [SCSI] fcoe: fix spelling typos and bad comments Signed-off-by: Chris Leech Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/fcoe/fcoe.c | 47 ++++++++++++++++--------------------- drivers/scsi/fcoe/libfcoe.c | 2 +- 2 files changed, 21 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 7bd0e822459d..8ad126556249 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -57,7 +57,7 @@ DEFINE_RWLOCK(fcoe_hostlist_lock); DEFINE_TIMER(fcoe_timer, NULL, 0, 0); DEFINE_PER_CPU(struct fcoe_percpu_s, fcoe_percpu); -/* Function Prototyes */ +/* Function Prototypes */ static int fcoe_reset(struct Scsi_Host *shost); static int fcoe_xmit(struct fc_lport *, struct fc_frame *); static int fcoe_rcv(struct sk_buff *, struct net_device *, @@ -138,7 +138,6 @@ static struct scsi_host_template fcoe_shost_template = { /** * fcoe_lport_config() - sets up the fc_lport * @lp: ptr to the fc_lport - * @shost: ptr to the parent scsi host * * Returns: 0 for success */ @@ -380,7 +379,7 @@ static int fcoe_if_destroy(struct net_device *netdev) dev_mc_delete(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0); rtnl_unlock(); - /* Free the per-CPU revieve threads */ + /* Free the per-CPU receive threads */ fcoe_percpu_clean(lp); /* Free existing skbs */ @@ -720,7 +719,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu) } #else /* - * This a non-SMP scenario where the singluar Rx thread is + * This a non-SMP scenario where the singular Rx thread is * being removed. Free all skbs and stop the thread. */ spin_lock_bh(&p->fcoe_rx_list.lock); @@ -777,7 +776,7 @@ static struct notifier_block fcoe_cpu_notifier = { * @skb: the receive skb * @dev: associated net device * @ptype: context - * @odldev: last device + * @olddev: last device * * this function will receive the packet and build fc frame and pass it up * @@ -904,7 +903,7 @@ static inline int fcoe_start_io(struct sk_buff *skb) } /** - * fcoe_get_paged_crc_eof() - in case we need alloc a page for crc_eof + * fcoe_get_paged_crc_eof() - in case we need to alloc a page for crc_eof * @skb: the skb to be xmitted * @tlen: total len * @@ -946,7 +945,7 @@ static int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen) /** * fcoe_fc_crc() - calculates FC CRC in this fcoe skb - * @fp: the fc_frame containg data to be checksummed + * @fp: the fc_frame containing data to be checksummed * * This uses crc32() to calculate the crc for fc frame * Return : 32 bit crc @@ -1061,7 +1060,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) cp = NULL; } - /* adjust skb netowrk/transport offsets to match mac/fcoe/fc */ + /* adjust skb network/transport offsets to match mac/fcoe/fc */ skb_push(skb, elen + hlen); skb_reset_mac_header(skb); skb_reset_network_header(skb); @@ -1294,17 +1293,16 @@ void fcoe_watchdog(ulong vp) /** - * fcoe_check_wait_queue() - put the skb into fcoe pending xmit queue - * @lp: the fc_port for this skb - * @skb: the associated skb to be xmitted + * fcoe_check_wait_queue() - attempt to clear the transmit backlog + * @lp: the fc_lport * * This empties the wait_queue, dequeue the head of the wait_queue queue * and calls fcoe_start_io() for each packet, if all skb have been * transmitted, return qlen or -1 if a error occurs, then restore - * wait_queue and try again later. + * wait_queue and try again later. * * The wait_queue is used when the skb transmit fails. skb will go - * in the wait_queue which will be emptied by the time function OR + * in the wait_queue which will be emptied by the timer function or * by the next skb transmit. * * Returns: 0 for success @@ -1353,10 +1351,6 @@ out: */ static void fcoe_dev_setup() { - /* - * here setup a interface specific wd time to - * monitor the link state - */ register_netdevice_notifier(&fcoe_notifier); } @@ -1435,10 +1429,9 @@ out: /** * fcoe_if_to_netdev() - parse a name buffer to get netdev - * @ifname: fixed array for output parsed ifname * @buffer: incoming buffer to be copied * - * Returns: NULL or ptr to netdeive + * Returns: NULL or ptr to net_device */ static struct net_device *fcoe_if_to_netdev(const char *buffer) { @@ -1456,7 +1449,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer) } /** - * fcoe_netdev_to_module_owner() - finds out the nic drive moddule of the netdev + * fcoe_netdev_to_module_owner() - finds out the driver module of the netdev * @netdev: the target netdev * * Returns: ptr to the struct module, NULL for failure @@ -1486,7 +1479,7 @@ fcoe_netdev_to_module_owner(const struct net_device *netdev) * Holds the Ethernet driver module by try_module_get() for * the corresponding netdev. * - * Returns: 0 for succsss + * Returns: 0 for success */ static int fcoe_ethdrv_get(const struct net_device *netdev) { @@ -1508,7 +1501,7 @@ static int fcoe_ethdrv_get(const struct net_device *netdev) * Releases the Ethernet driver module by module_put for * the corresponding netdev. * - * Returns: 0 for succsss + * Returns: 0 for success */ static int fcoe_ethdrv_put(const struct net_device *netdev) { @@ -1526,7 +1519,7 @@ static int fcoe_ethdrv_put(const struct net_device *netdev) /** * fcoe_destroy() - handles the destroy from sysfs - * @buffer: expcted to be a eth if name + * @buffer: expected to be an eth if name * @kp: associated kernel param * * Returns: 0 for success @@ -1563,7 +1556,7 @@ out_nodev: /** * fcoe_create() - Handles the create call from sysfs - * @buffer: expcted to be a eth if name + * @buffer: expected to be an eth if name * @kp: associated kernel param * * Returns: 0 for success @@ -1717,7 +1710,7 @@ int fcoe_reset(struct Scsi_Host *shost) /** * fcoe_hostlist_lookup_softc() - find the corresponding lport by a given device - * @device: this is currently ptr to net_device + * @dev: this is currently ptr to net_device * * Returns: NULL or the located fcoe_softc */ @@ -1754,7 +1747,7 @@ struct fc_lport *fcoe_hostlist_lookup(const struct net_device *netdev) /** * fcoe_hostlist_add() - Add a lport to lports list - * @lp: ptr to the fc_lport to badded + * @lp: ptr to the fc_lport to be added * * Returns: 0 for success */ @@ -1774,7 +1767,7 @@ int fcoe_hostlist_add(const struct fc_lport *lp) /** * fcoe_hostlist_remove() - remove a lport from lports list - * @lp: ptr to the fc_lport to badded + * @lp: ptr to the fc_lport to be removed * * Returns: 0 for success */ diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index f410f4abb548..62ba0f39c6bd 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -122,7 +122,7 @@ static void fcoe_ctlr_reset_fcfs(struct fcoe_ctlr *fip) } /** - * fcoe_ctrl_destroy() - Disable and tear-down the FCoE controller. + * fcoe_ctlr_destroy() - Disable and tear-down the FCoE controller. * @fip: FCoE controller. * * This is called by FCoE drivers before freeing the &fcoe_ctlr. From a29e7646f42a325a7f6cce34adbeb52e8db15566 Mon Sep 17 00:00:00 2001 From: Robert Love Date: Tue, 21 Apr 2009 16:27:41 -0700 Subject: [PATCH 168/478] [SCSI] libfc: Fix compilation warnings with allmodconfig When building with a .config generated from 'make allmodconfig' some build warnings are generated. This patch corrects the warnings, adds a FC_FID_NONE (= 0) enumeration for FC-IDs and cleans up one variable naming to meet our variable naming conventions. For example, fc_lport's should be named "lport," not "lp." Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/libfc/fc_elsct.c | 2 +- drivers/scsi/libfc/fc_fcp.c | 7 +++---- drivers/scsi/libfc/fc_rport.c | 2 +- include/scsi/fc/fc_fs.h | 1 + 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c index dd47fe619d1e..5878b34bff18 100644 --- a/drivers/scsi/libfc/fc_elsct.c +++ b/drivers/scsi/libfc/fc_elsct.c @@ -41,7 +41,7 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport, void *arg, u32 timer_msec) { enum fc_rctl r_ctl; - u32 did; + u32 did = FC_FID_NONE; enum fc_fh_type fh_type; int rc; diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index f555ae99ad40..521f996f9b13 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -713,7 +713,7 @@ done: static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) { struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; - struct fc_lport *lp; + struct fc_lport *lport = fsp->lp; struct fc_frame_header *fh; struct fcp_txrdy *dd; u8 r_ctl; @@ -724,9 +724,8 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) fh = fc_frame_header_get(fp); r_ctl = fh->fh_r_ctl; - lp = fsp->lp; - if (!(lp->state & LPORT_ST_READY)) + if (!(lport->state & LPORT_ST_READY)) goto out; if (fc_fcp_lock_pkt(fsp)) goto out; @@ -779,7 +778,7 @@ errout: if (IS_ERR(fp)) fc_fcp_error(fsp, fp); else if (rc == -ENOMEM) - fc_fcp_reduce_can_queue(lp); + fc_fcp_reduce_can_queue(lport); } static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index e675f5ac30cc..747d73c5c8af 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -509,7 +509,7 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, struct fc_rport *rport = rp_arg; struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_lport *lport = rdata->local_port; - struct fc_els_flogi *plp; + struct fc_els_flogi *plp = NULL; unsigned int tov; u16 csp_seq; u16 cssp_seq; diff --git a/include/scsi/fc/fc_fs.h b/include/scsi/fc/fc_fs.h index 1b7af3a64c7c..ac4cd38c860e 100644 --- a/include/scsi/fc/fc_fs.h +++ b/include/scsi/fc/fc_fs.h @@ -149,6 +149,7 @@ enum fc_rctl { * Well-known fabric addresses. */ enum fc_well_known_fid { + FC_FID_NONE = 0x000000, /* No destination */ FC_FID_BCAST = 0xffffff, /* broadcast */ FC_FID_FLOGI = 0xfffffe, /* fabric login */ FC_FID_FCTRL = 0xfffffd, /* fabric controller */ From 6401bdcad536cc00589c38e7e1c140d3acc00087 Mon Sep 17 00:00:00 2001 From: Joe Eykholt Date: Tue, 21 Apr 2009 16:27:46 -0700 Subject: [PATCH 169/478] [SCSI] fcoe: fip: add multicast filter to receive FIP advertisements. The FCoE forwarder (FCF) would be selected, but then would soon time out after three advertisements were missed. This would be 24 seconds by default, or 3 times the keep-alive interval configured on the switch. The cause was that the multicast address for all FIP E-nodes was never added. Signed-off-by: Joe Eykholt Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/fcoe/fcoe.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 8ad126556249..03e1926f40b5 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -255,6 +255,7 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev) rtnl_lock(); memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN); dev_unicast_add(fc->real_dev, flogi_maddr, ETH_ALEN); + dev_mc_add(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0); rtnl_unlock(); /* From dd406ef8950e76b17d74c5764a1e3d3a87d4a855 Mon Sep 17 00:00:00 2001 From: Brian King Date: Wed, 22 Apr 2009 08:58:02 -0500 Subject: [PATCH 170/478] [SCSI] ipr: Fix sleeping function called with interrupts disabled The ata_sas_slave_configure was changed such that it now allocates some memory for a drain buffer for ATAPI devices. Fixup the ipr driver such that we no longer make this call with interrupts disabled. Signed-off-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c09d77591f92..dd689ded8609 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3654,6 +3654,7 @@ static int ipr_slave_configure(struct scsi_device *sdev) { struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; struct ipr_resource_entry *res; + struct ata_port *ap = NULL; unsigned long lock_flags = 0; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); @@ -3672,12 +3673,16 @@ static int ipr_slave_configure(struct scsi_device *sdev) } if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res)) sdev->allow_restart = 1; - if (ipr_is_gata(res) && res->sata_port) { + if (ipr_is_gata(res) && res->sata_port) + ap = res->sata_port->ap; + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + + if (ap) { scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); - ata_sas_slave_configure(sdev, res->sata_port->ap); - } else { + ata_sas_slave_configure(sdev, ap); + } else scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); - } + return 0; } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return 0; From 8f76d151b010980d137bfdc736d1d8f64b489165 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Tue, 21 Apr 2009 16:43:27 -0700 Subject: [PATCH 171/478] [SCSI] fix sign extension with 1.5TB usb-storage LBD=y Shifting an unsigned char implicitly casts it to a signed int. This caused 'lba' to sign-extend and Linux would then try READ CAPACITY 16 which was not supported by at least one drive. Using the get_unaligned_be*() helpers keeps us from having to worry about how the extension might occur. Signed-off-by: Dave Hansen Reviewed-by: Matthew Wilcox Signed-off-by: James Bottomley --- drivers/scsi/sd.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3fcb64b91c43..84044233b637 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -50,6 +50,7 @@ #include #include #include +#include #include #include @@ -1344,12 +1345,8 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EINVAL; } - sector_size = (buffer[8] << 24) | (buffer[9] << 16) | - (buffer[10] << 8) | buffer[11]; - lba = (((u64)buffer[0] << 56) | ((u64)buffer[1] << 48) | - ((u64)buffer[2] << 40) | ((u64)buffer[3] << 32) | - ((u64)buffer[4] << 24) | ((u64)buffer[5] << 16) | - ((u64)buffer[6] << 8) | (u64)buffer[7]); + sector_size = get_unaligned_be32(&buffer[8]); + lba = get_unaligned_be64(&buffer[0]); sd_read_protection_type(sdkp, buffer); @@ -1400,10 +1397,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EINVAL; } - sector_size = (buffer[4] << 24) | (buffer[5] << 16) | - (buffer[6] << 8) | buffer[7]; - lba = (buffer[0] << 24) | (buffer[1] << 16) | - (buffer[2] << 8) | buffer[3]; + sector_size = get_unaligned_be32(&buffer[4]); + lba = get_unaligned_be32(&buffer[0]); if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) { sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a " From fd01825c70006638dee16f48c810c20c54f6cd15 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:37:20 -0600 Subject: [PATCH 172/478] [SCSI] mpt2sas : unique ioctl magic number The current magic number is shared with mptsas driver. This to be unique to fix issues with register_ioctls32_conversion in older kernels. We are making this change across all versions of the sas2.0 drivers. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_ctl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h index dbb6c0cf8889..5bd7d4cfa819 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h @@ -50,7 +50,7 @@ #endif #define MPT2SAS_DEV_NAME "mpt2ctl" -#define MPT2_MAGIC_NUMBER 'm' +#define MPT2_MAGIC_NUMBER 'L' #define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ /** From 03ea1115506c53b46cec2177deb189d186bb80dd Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:37:57 -0600 Subject: [PATCH 173/478] [SCSI] mpt2sas : the sanity check in base_interrupt needs to be on dword boundary The poison sanity check on the reply_post_free register needs to be by 32bit, not 64bit. The poison check is there because its possible that the driver read the 1st 32bit before the 2nd 32bit has been written to by firmware. In other words, this handles race between driver reading the 64 bit register, and it being dma'd across pci memory from controller firmware as two 32bit pci writes. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_base.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index a91f5143ceac..12ecffbf518f 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -636,6 +636,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) static irqreturn_t _base_interrupt(int irq, void *bus_id) { + union reply_descriptor { + u64 word; + struct { + u32 low; + u32 high; + } u; + }; + union reply_descriptor rd; u32 post_index, post_index_next, completed_cmds; u8 request_desript_type; u16 smid; @@ -656,7 +664,8 @@ _base_interrupt(int irq, void *bus_id) completed_cmds = 0; do { - if (ioc->reply_post_free[post_index].Words == ~0ULL) + rd.word = ioc->reply_post_free[post_index].Words; + if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) goto out; reply = 0; cb_idx = 0xFF; @@ -721,7 +730,7 @@ _base_interrupt(int irq, void *bus_id) for (i = 0 ; i < completed_cmds; i++) { post_index = post_index_next; /* poison the reply post descriptor */ - ioc->reply_post_free[post_index_next].Words = ~0ULL; + ioc->reply_post_free[post_index_next].Words = ULLONG_MAX; post_index_next = (post_index == (ioc->reply_post_queue_depth - 1)) ? 0 : post_index + 1; @@ -3068,7 +3077,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, /* initialize Reply Post Free Queue */ for (i = 0; i < ioc->reply_post_queue_depth; i++) - ioc->reply_post_free[i].Words = ~0ULL; + ioc->reply_post_free[i].Words = ULLONG_MAX; r = _base_send_ioc_init(ioc, VF_ID, sleep_flag); if (r) From 0d04df9b4a83c50ebe2143f20c2d5469c83ba314 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:38:43 -0600 Subject: [PATCH 174/478] [SCSI] mpt2sas : fix oops when firmware sends large sense buffer size There is a bug in firmware where the reply message frame says there is a 16kb sense buffer, when in reality its only 20 bytes. This fix insures the memcpy action doesn't corrupte the memory beyond the 90 bytes allocated in the scsi command for sense buffer. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_scsih.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 0c463c483c02..f2d967c5415e 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2863,8 +2863,9 @@ scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply) struct sense_info data; const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, smid); - memcpy(scmd->sense_buffer, sense_data, + u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, le32_to_cpu(mpi_reply->SenseCount)); + memcpy(scmd->sense_buffer, sense_data, sz); _scsih_normalize_sense(scmd->sense_buffer, &data); /* failure prediction threshold exceeded */ if (data.asc == 0x5D) From 77bdd9ee1e1d94fa853c354dcde881ddc5d277a5 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:39:24 -0600 Subject: [PATCH 175/478] [SCSI] mpt2sas : running out of message frames The driver is not freeing message frame when returning failure from _ctl_do_task_abort. If you call this function 500 times when its unable to find an active task mid, you end up with no message frames. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_ctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 2d4f85c9d7a1..e0eab0a9bc4c 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -714,8 +714,10 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { - if (_ctl_do_task_abort(ioc, &karg, tm_request)) + if (_ctl_do_task_abort(ioc, &karg, tm_request)) { + mpt2sas_base_free_smid(ioc, smid); goto out; + } } mutex_lock(&ioc->tm_cmds.mutex); From e5f9bb198aa47d06553b66cc5f24ded49ed0b70d Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:40:01 -0600 Subject: [PATCH 176/478] [SCSI] mpt2sas : driver name needs to be in the MPT2IOCINFO ioctl The driver name needs to be at the beginining of the driver_version string in MPT2IOCINFO ioctl. This is the same behaviour is there already in the mptsas driver. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_ctl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index e0eab0a9bc4c..2dc38598c207 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -917,9 +917,9 @@ _ctl_getiocinfo(void __user *arg) karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); karg.firmware_version = ioc->facts.FWVersion.Word; - strncpy(karg.driver_version, MPT2SAS_DRIVER_VERSION, - MPT2_IOCTL_VERSION_LENGTH); - karg.driver_version[MPT2_IOCTL_VERSION_LENGTH - 1] = '\0'; + strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); + strcat(karg.driver_version, "-"); + strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); if (copy_to_user(arg, &karg, sizeof(karg))) { From f0f9cc1fb8a21f3ff90900505fc82a43d29d0975 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:40:48 -0600 Subject: [PATCH 177/478] [SCSI] mpt2sas : Identify Dell series-7 adapters at driver load time The Dell branding along with the VID, DID, SSVID, SSDID following the LSI branding that contains the card firmware/chip/bios versions. If the SSDID is not known but it is a Dell HBA, the driver will print the SSDID instead of the Dell branding string. Nothing will be printed for non Dell HBAs Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_base.c | 60 +++++++++++++++++++++++++++++ drivers/scsi/mpt2sas/mpt2sas_base.h | 24 ++++++++++++ 2 files changed, 84 insertions(+) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 12ecffbf518f..f3da592f7bcc 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -1395,6 +1395,64 @@ mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, &ioc->scsi_lookup_lock); } +/** + * _base_display_dell_branding - Disply branding string + * @ioc: per adapter object + * + * Return nothing. + */ +static void +_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) +{ + char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; + + if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) + return; + + memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_6GBPS_SAS_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + default: + sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); + break; + } + + printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," + " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, + ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, + ioc->pdev->subsystem_device); +} + /** * _base_display_ioc_capabilities - Disply IOC's capabilities. * @ioc: per adapter object @@ -1436,6 +1494,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) i++; } + _base_display_dell_branding(ioc); + i = 0; printk("), "); printk("Capabilities=("); diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h index 6945ff4d382e..b39a5d635afa 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h @@ -129,6 +129,30 @@ #define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT +/* + * Dell HBA branding + */ +#define MPT2SAS_DELL_BRANDING_SIZE 32 + +#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" +#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" +#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" +#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" +#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" + +/* + * Dell HBA SSDIDs + */ +#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C +#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E +#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 +#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 +#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 + /* * per target private data */ From 8901cbb45e2a6657adf0e6eea4276ef452dee011 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:41:32 -0600 Subject: [PATCH 178/478] [SCSI] mpt2sas : Broadcast Primative AEN bug fix Bug fix in the broadcast primative async event code where the driver would stop sending tm queries after the first queury was completed. This was due driver not reseting the tm_cmds.status field back to MPT2_CMD_NOT_USED after completing a task management request. An addtional fix adding sanity check to insure sas_device->starget set to NULL. During multipath testing fail over/fail back, the mid layer was holding onto sdev longer than the fail back period, thus starget was getting set to NULL for device being added. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_scsih.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index f2d967c5415e..4dffbec79355 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -516,12 +516,8 @@ _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, handle = sas_device->handle; parent_handle = sas_device->parent_handle; sas_address = sas_device->sas_address; - if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) { + if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - mpt2sas_transport_port_remove(ioc, sas_address, parent_handle); - _scsih_sas_device_remove(ioc, sas_device); - } } /** @@ -1203,7 +1199,9 @@ scsih_target_destroy(struct scsi_target *starget) rphy = dev_to_rphy(starget->dev.parent); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, rphy->identify.sas_address); - if (sas_device) + if (sas_device && (sas_device->starget == starget) && + (sas_device->id == starget->id) && + (sas_device->channel == starget->channel)) sas_device->starget = NULL; spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -3924,7 +3922,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, mpt2sas_scsih_issue_tm(ioc, handle, lun, MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); - termination_count += le32_to_cpu(mpi_reply->TerminationCount); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; if ((mpi_reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) && (mpi_reply->ResponseCode == @@ -3934,10 +3932,10 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, continue; mpt2sas_scsih_issue_tm(ioc, handle, lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, smid, 30); + MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; termination_count += le32_to_cpu(mpi_reply->TerminationCount); } - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; ioc->broadcast_aen_busy = 0; mutex_unlock(&ioc->tm_cmds.mutex); From 99bb214b1b652c475bb3d79cede47ecb76b758fa Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:42:13 -0600 Subject: [PATCH 179/478] [SCSI] mpt2sas : release diagnotic buffers prior host reset Diagnostic buffer support is already there in the driver. This support allows applications to pull ring buffers from controller firmware for debugging firmware related issues. What this patch does is sends reqeust to firmware to release the buffers prior to host reset. This will allow what ever debug info is there prior to reset to be dma'd to host memory. With out this fix, some of the debug data would been lost. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_ctl.c | 208 +++++++++++++++++++---------- drivers/scsi/mpt2sas/mpt2sas_ctl.h | 5 +- 2 files changed, 142 insertions(+), 71 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 2dc38598c207..ba6ab170bdf0 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -64,6 +64,9 @@ static struct fasync_struct *async_queue; static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); +static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, + u8 *issue_reset); + /** * enum block_state - blocking state * @NON_BLOCKING: non blocking @@ -378,10 +381,22 @@ _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) { + int i; + u8 issue_reset; + switch (reset_phase) { case MPT2_IOC_PRE_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_RELEASED)) + continue; + _ctl_send_release(ioc, i, &issue_reset); + } break; case MPT2_IOC_AFTER_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " @@ -395,6 +410,17 @@ mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) case MPT2_IOC_DONE_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); + + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_RELEASED)) + continue; + ioc->diag_buffer_status[i] |= + MPT2_DIAG_BUFFER_IS_DIAG_RESET; + } break; } } @@ -1552,6 +1578,105 @@ _ctl_diag_query(void __user *arg) return 0; } +/** + * _ctl_send_release - Diag Release Message + * @ioc: per adapter object + * @buffer_type - specifies either TRACE or SNAPSHOT + * @issue_reset - specifies whether host reset is required. + * + */ +static int +_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) +{ + Mpi2DiagReleaseRequest_t *mpi_request; + Mpi2DiagReleaseReply_t *mpi_reply; + u16 smid; + u16 ioc_status; + u32 ioc_state; + int rc; + unsigned long timeleft; + + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, + __func__)); + + rc = 0; + *issue_reset = 0; + + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " + "skipping due to FAULT state\n", ioc->name, + __func__)); + rc = -EAGAIN; + goto out; + } + + if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { + printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", + ioc->name, __func__); + rc = -EAGAIN; + goto out; + } + + smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); + if (!smid) { + printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", + ioc->name, __func__); + rc = -EAGAIN; + goto out; + } + + ioc->ctl_cmds.status = MPT2_CMD_PENDING; + memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); + mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); + ioc->ctl_cmds.smid = smid; + + mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; + mpi_request->BufferType = buffer_type; + + mpt2sas_base_put_smid_default(ioc, smid, mpi_request->VF_ID); + timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, + MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); + + if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { + printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, + __func__); + _debug_dump_mf(mpi_request, + sizeof(Mpi2DiagReleaseRequest_t)/4); + if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) + *issue_reset = 1; + rc = -EFAULT; + goto out; + } + + /* process the completed Reply Message Frame */ + if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { + printk(MPT2SAS_ERR_FMT "%s: no reply message\n", + ioc->name, __func__); + rc = -EFAULT; + goto out; + } + + mpi_reply = ioc->ctl_cmds.reply; + ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; + + if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { + ioc->diag_buffer_status[buffer_type] |= + MPT2_DIAG_BUFFER_IS_RELEASED; + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: success\n", + ioc->name, __func__)); + } else { + printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) " + "log_info(0x%08x)\n", ioc->name, __func__, + ioc_status, mpi_reply->IOCLogInfo); + rc = -EFAULT; + } + + out: + ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; + return rc; +} + /** * _ctl_diag_release - request to send Diag Release Message to firmware * @arg - user space buffer containing ioctl content @@ -1568,12 +1693,7 @@ _ctl_diag_release(void __user *arg, enum block_state state) struct MPT2SAS_ADAPTER *ioc; void *request_data; int rc; - Mpi2DiagReleaseRequest_t *mpi_request; - Mpi2DiagReleaseReply_t *mpi_reply; u8 buffer_type; - unsigned long timeleft; - u16 smid; - u16 ioc_status; u8 issue_reset = 0; if (copy_from_user(&karg, arg, sizeof(karg))) { @@ -1623,80 +1743,30 @@ _ctl_diag_release(void __user *arg, enum block_state state) return -ENOMEM; } + /* buffers were released by due to host reset */ + if ((ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { + ioc->diag_buffer_status[buffer_type] |= + MPT2_DIAG_BUFFER_IS_RELEASED; + ioc->diag_buffer_status[buffer_type] &= + ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " + "was released due to host reset\n", ioc->name, __func__, + buffer_type); + return 0; + } + if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) return -EAGAIN; else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) return -ERESTARTSYS; - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } + rc = _ctl_send_release(ioc, buffer_type, &issue_reset); - smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->ctl_cmds.status = MPT2_CMD_PENDING; - memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->ctl_cmds.smid = smid; - - mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; - mpi_request->BufferType = buffer_type; - - mpt2sas_base_put_smid_default(ioc, smid, mpi_request->VF_ID); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, - MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); - - if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagReleaseRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - /* process the completed Reply Message Frame */ - if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { - printk(MPT2SAS_ERR_FMT "%s: no reply message\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - - mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - ioc->diag_buffer_status[buffer_type] |= - MPT2_DIAG_BUFFER_IS_RELEASED; - dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: success\n", - ioc->name, __func__)); - } else { - printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) " - "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, mpi_reply->IOCLogInfo); - rc = -EFAULT; - } - - issue_host_reset: if (issue_reset) mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); - out: - - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; mutex_unlock(&ioc->ctl_cmds.mutex); return rc; } diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h index 5bd7d4cfa819..4da11435533f 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h @@ -295,8 +295,9 @@ struct mpt2_ioctl_btdh_mapping { /* status bits for ioc->diag_buffer_status */ -#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) -#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) +#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) +#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) +#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04) /* application flags for mpt2_diag_register, mpt2_diag_query */ #define MPT2_APP_FLAGS_APP_OWNED (0x0001) From 6f92a7a0aff413cdf42955a187647e3736ebd8f3 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:43:33 -0600 Subject: [PATCH 180/478] [SCSI] mpt2sas: fix hotplug event processing Here's a fix for hotplug events. The useage of queue_delayed_work seems to broke the fifo for processing of firmware events. After several iterations of adding and removing cabling connected to jbods, the devices are not getting added becuase kernel thread is activited out of order. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_scsih.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 4dffbec79355..e3a7967259e7 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -119,7 +119,7 @@ struct sense_info { */ struct fw_event_work { struct list_head list; - struct delayed_work work; + struct work_struct work; struct MPT2SAS_ADAPTER *ioc; u8 VF_ID; u8 host_reset_handling; @@ -2007,8 +2007,8 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) spin_lock_irqsave(&ioc->fw_event_lock, flags); list_add_tail(&fw_event->list, &ioc->fw_event_list); - INIT_DELAYED_WORK(&fw_event->work, _firmware_event_work); - queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, 1); + INIT_WORK(&fw_event->work, _firmware_event_work); + queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2052,7 +2052,7 @@ _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work return; spin_lock_irqsave(&ioc->fw_event_lock, flags); - queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, delay); + queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -4961,7 +4961,7 @@ static void _firmware_event_work(struct work_struct *work) { struct fw_event_work *fw_event = container_of(work, - struct fw_event_work, work.work); + struct fw_event_work, work); unsigned long flags; struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; From 3b8b5c9b1f08660583e5dfe095c24170df62f1d2 Mon Sep 17 00:00:00 2001 From: Eric Moore Date: Tue, 21 Apr 2009 15:44:27 -0600 Subject: [PATCH 181/478] [SCSI] mpt2sas : bump driver version to 01.100.02.00 Bump driver version. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/scsi/mpt2sas/mpt2sas_base.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h index b39a5d635afa..babd4cc0cb25 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h @@ -68,11 +68,11 @@ #define MPT2SAS_DRIVER_NAME "mpt2sas" #define MPT2SAS_AUTHOR "LSI Corporation " #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" -#define MPT2SAS_DRIVER_VERSION "00.100.11.16" +#define MPT2SAS_DRIVER_VERSION "01.100.02.00" #define MPT2SAS_MAJOR_VERSION 00 #define MPT2SAS_MINOR_VERSION 100 -#define MPT2SAS_BUILD_VERSION 11 -#define MPT2SAS_RELEASE_VERSION 16 +#define MPT2SAS_BUILD_VERSION 02 +#define MPT2SAS_RELEASE_VERSION 00 /* * Set MPT2SAS_SG_DEPTH value based on user input. From bf5e84f69618f416e89a5a53434a8c865e70252e Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sun, 19 Apr 2009 19:07:47 +0300 Subject: [PATCH 182/478] [SCSI] libosd: fix potential ERR_PTR dereference in osd_initiator.c bio_map_kern() returns an ERR_PTR() not NULL. Found by smatch (http://repo.or.cz/w/smatch.git). Compile tested. Signed-off-by: Dan Carpenter Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 2a5f0777148d..76de88962237 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -612,9 +612,9 @@ static int _osd_req_list_objects(struct osd_request *or, WARN_ON(or->in.bio); bio = bio_map_kern(q, list, len, or->alloc_flags); - if (!bio) { + if (IS_ERR(bio)) { OSD_ERR("!!! Failed to allocate list_objects BIO\n"); - return -ENOMEM; + return PTR_ERR(bio); } bio->bi_rw &= ~(1 << BIO_RW); From 71f32e31e5638df37904697e2d04182935add85d Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 19 Apr 2009 19:11:42 +0300 Subject: [PATCH 183/478] [SCSI] libosd: OSD2r05: Prepare for rev5 attribute list changes In OSD2r05 draft each attribute list element header was changed so attribute-value would be 8 bytes aligned. In OSD2r01-r04 it was aligned on 2 bytes. (This is because in OSD2r01 the complete element was 8 bytes padded at end but the header was not adjusted and caused permanent miss-alignment.) OSD1 elements are not padded and might be or might not be aligned. OSD1 is still supported. In this code we do all the code re-factoring to separate OSD1/OSD2 differences but do not change actual wire format. All wire format changes will happen in one patch later, for bisect-ability. Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 86 +++++++++++++++++++++++++------- include/scsi/osd_protocol.h | 24 ++++++--- 2 files changed, 85 insertions(+), 25 deletions(-) diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 76de88962237..e266f803aa96 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -205,6 +205,69 @@ static unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len) osdv2_attr_list_elem_size(len); } +static void _osd_req_alist_elem_encode(struct osd_request *or, + void *attr_last, const struct osd_attr *oa) +{ + if (osd_req_is_ver1(or)) { + struct osdv1_attributes_list_element *attr = attr_last; + + attr->attr_page = cpu_to_be32(oa->attr_page); + attr->attr_id = cpu_to_be32(oa->attr_id); + attr->attr_bytes = cpu_to_be16(oa->len); + memcpy(attr->attr_val, oa->val_ptr, oa->len); + } else { + struct osdv2_attributes_list_element *attr = attr_last; + + attr->attr_page = cpu_to_be32(oa->attr_page); + attr->attr_id = cpu_to_be32(oa->attr_id); + attr->attr_bytes = cpu_to_be16(oa->len); + memcpy(attr->attr_val, oa->val_ptr, oa->len); + } +} + +static int _osd_req_alist_elem_decode(struct osd_request *or, + void *cur_p, struct osd_attr *oa, unsigned max_bytes) +{ + unsigned inc; + if (osd_req_is_ver1(or)) { + struct osdv1_attributes_list_element *attr = cur_p; + + if (max_bytes < sizeof(*attr)) + return -1; + + oa->len = be16_to_cpu(attr->attr_bytes); + inc = _osd_req_alist_elem_size(or, oa->len); + if (inc > max_bytes) + return -1; + + oa->attr_page = be32_to_cpu(attr->attr_page); + oa->attr_id = be32_to_cpu(attr->attr_id); + + /* OSD1: On empty attributes we return a pointer to 2 bytes + * of zeros. This keeps similar behaviour with OSD2. + * (See below) + */ + oa->val_ptr = likely(oa->len) ? attr->attr_val : + (u8 *)&attr->attr_bytes; + } else { + struct osdv2_attributes_list_element *attr = cur_p; + + if (max_bytes < sizeof(*attr)) + return -1; + + oa->len = be16_to_cpu(attr->attr_bytes); + inc = _osd_req_alist_elem_size(or, oa->len); + if (inc > max_bytes) + return -1; + + oa->attr_page = be32_to_cpu(attr->attr_page); + oa->attr_id = be32_to_cpu(attr->attr_id); + + oa->val_ptr = attr->attr_val; + } + return inc; +} + static unsigned _osd_req_alist_size(struct osd_request *or, void *list_head) { return osd_req_is_ver1(or) ? @@ -798,7 +861,6 @@ int osd_req_add_set_attr_list(struct osd_request *or, attr_last = or->set_attr.buff + total_bytes; for (; nelem; --nelem) { - struct osd_attributes_list_element *attr; unsigned elem_size = _osd_req_alist_elem_size(or, oa->len); total_bytes += elem_size; @@ -811,11 +873,7 @@ int osd_req_add_set_attr_list(struct osd_request *or, or->set_attr.buff + or->set_attr.total_bytes; } - attr = attr_last; - attr->attr_page = cpu_to_be32(oa->attr_page); - attr->attr_id = cpu_to_be32(oa->attr_id); - attr->attr_bytes = cpu_to_be16(oa->len); - memcpy(attr->attr_val, oa->val_ptr, oa->len); + _osd_req_alist_elem_encode(or, attr_last, oa); attr_last += elem_size; ++oa; @@ -1070,15 +1128,10 @@ int osd_req_decode_get_attr_list(struct osd_request *or, } for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) { - struct osd_attributes_list_element *attr = cur_p; - unsigned inc; + int inc = _osd_req_alist_elem_decode(or, cur_p, oa, + returned_bytes - cur_bytes); - oa->len = be16_to_cpu(attr->attr_bytes); - inc = _osd_req_alist_elem_size(or, oa->len); - OSD_DEBUG("oa->len=%d inc=%d cur_bytes=%d\n", - oa->len, inc, cur_bytes); - cur_bytes += inc; - if (cur_bytes > returned_bytes) { + if (inc < 0) { OSD_ERR("BAD FOOD from target. list not valid!" "c=%d r=%d n=%d\n", cur_bytes, returned_bytes, n); @@ -1086,10 +1139,7 @@ int osd_req_decode_get_attr_list(struct osd_request *or, break; } - oa->attr_page = be32_to_cpu(attr->attr_page); - oa->attr_id = be32_to_cpu(attr->attr_id); - oa->val_ptr = attr->attr_val; - + cur_bytes += inc; cur_p += inc; ++oa; } diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h index cd3cbf764650..fa8343ce3ca2 100644 --- a/include/scsi/osd_protocol.h +++ b/include/scsi/osd_protocol.h @@ -301,14 +301,24 @@ struct osd_attributes_list_attrid { } __packed; /* - * osd2r03: 7.1.3.3 List entry format for retrieved attributes and - * for setting attributes - * NOTE: v2 is 8-bytes aligned, v1 is not aligned. + * NOTE: v1: is not aligned. */ -struct osd_attributes_list_element { +struct osdv1_attributes_list_element { __be32 attr_page; __be32 attr_id; - __be16 attr_bytes; + __be16 attr_bytes; /* valid bytes at attr_val without padding */ + u8 attr_val[0]; +} __packed; + +/* + * osd2r03: 7.1.3.3 List entry format for retrieved attributes and + * for setting attributes + * NOTE: v2 is 8-bytes aligned + */ +struct osdv2_attributes_list_element { + __be32 attr_page; + __be32 attr_id; + __be16 attr_bytes; /* valid bytes at attr_val without padding */ u8 attr_val[0]; } __packed; @@ -324,13 +334,13 @@ enum { static inline unsigned osdv1_attr_list_elem_size(unsigned len) { - return ALIGN(len + sizeof(struct osd_attributes_list_element), + return ALIGN(len + sizeof(struct osdv1_attributes_list_element), OSDv1_ATTRIBUTES_ELEM_ALIGN); } static inline unsigned osdv2_attr_list_elem_size(unsigned len) { - return ALIGN(len + sizeof(struct osd_attributes_list_element), + return ALIGN(len + sizeof(struct osdv2_attributes_list_element), OSD_ATTRIBUTES_ELEM_ALIGN); } From f8d3a644bec74fd55dbfb11f95af7bf98fa963dc Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 19 Apr 2009 19:13:39 +0300 Subject: [PATCH 184/478] [SCSI] libosd: OSD2r05: OSD_CRYPTO_KEYID_SIZE will grow 20 => 32 bytes In OSD2r04 draft, cryptographic key size changed to 32 bytes from OSD1's 20 bytes. This causes a couple of on-the-wire structures to change, including the CDB. In this patch the OSD1/OSD2 handling is separated out in regard to affected structures, but on-the-wire is still the same. All on the wire changes will be submitted in one patch for bisect-ability. Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 30 +++++++++++++---- include/scsi/osd_protocol.h | 55 +++++++++++++++++++++++++------- 2 files changed, 68 insertions(+), 17 deletions(-) diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index e266f803aa96..f61ab84ad20b 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -345,9 +345,9 @@ _osd_req_sec_params(struct osd_request *or) struct osd_cdb *ocdb = &or->cdb; if (osd_req_is_ver1(or)) - return &ocdb->v1.sec_params; + return (struct osd_security_parameters *)&ocdb->v1.sec_params; else - return &ocdb->v2.sec_params; + return (struct osd_security_parameters *)&ocdb->v2.sec_params; } void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device) @@ -1209,6 +1209,24 @@ static int _osd_req_finalize_attr_page(struct osd_request *or) return ret; } +static inline void osd_sec_parms_set_out_offset(bool is_v1, + struct osd_security_parameters *sec_parms, osd_cdb_offset offset) +{ + if (is_v1) + sec_parms->v1.data_out_integrity_check_offset = offset; + else + sec_parms->v2.data_out_integrity_check_offset = offset; +} + +static inline void osd_sec_parms_set_in_offset(bool is_v1, + struct osd_security_parameters *sec_parms, osd_cdb_offset offset) +{ + if (is_v1) + sec_parms->v1.data_in_integrity_check_offset = offset; + else + sec_parms->v2.data_in_integrity_check_offset = offset; +} + static int _osd_req_finalize_data_integrity(struct osd_request *or, bool has_in, bool has_out, const u8 *cap_key) { @@ -1232,8 +1250,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or, or->out_data_integ.get_attributes_bytes = cpu_to_be64( or->enc_get_attr.total_bytes); - sec_parms->data_out_integrity_check_offset = - osd_req_encode_offset(or, or->out.total_bytes, &pad); + osd_sec_parms_set_out_offset(osd_req_is_ver1(or), sec_parms, + osd_req_encode_offset(or, or->out.total_bytes, &pad)); ret = _req_append_segment(or, pad, &seg, or->out.last_seg, &or->out); @@ -1253,8 +1271,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or, }; unsigned pad; - sec_parms->data_in_integrity_check_offset = - osd_req_encode_offset(or, or->in.total_bytes, &pad); + osd_sec_parms_set_in_offset(osd_req_is_ver1(or), sec_parms, + osd_req_encode_offset(or, or->in.total_bytes, &pad)); ret = _req_append_segment(or, pad, &seg, or->in.last_seg, &or->in); diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h index fa8343ce3ca2..bbeceeb0e553 100644 --- a/include/scsi/osd_protocol.h +++ b/include/scsi/osd_protocol.h @@ -33,8 +33,10 @@ enum { OSD_CAP_LEN = OSDv1_CAP_LEN,/* FIXME: Pete rev-001 sup */ OSD_SYSTEMID_LEN = 20, - OSD_CRYPTO_KEYID_SIZE = 20, + OSDv1_CRYPTO_KEYID_SIZE = 20, /*FIXME: OSDv2_CRYPTO_KEYID_SIZE = 32,*/ + OSDv2_CRYPTO_KEYID_SIZE = 20, + OSD_CRYPTO_KEYID_SIZE = OSDv2_CRYPTO_KEYID_SIZE, OSD_CRYPTO_SEED_SIZE = 4, OSD_CRYPTO_NONCE_SIZE = 12, OSD_MAX_SENSE_LEN = 252, /* from SPC-3 */ @@ -204,29 +206,40 @@ struct osd_cdb_head { /*80*/ /*160 v1*/ -/*184 v2*/ -struct osd_security_parameters { -/*160*/u8 integrity_check_value[OSD_CRYPTO_KEYID_SIZE]; +struct osdv1_security_parameters { +/*160*/u8 integrity_check_value[OSDv1_CRYPTO_KEYID_SIZE]; /*180*/u8 request_nonce[OSD_CRYPTO_NONCE_SIZE]; /*192*/osd_cdb_offset data_in_integrity_check_offset; /*196*/osd_cdb_offset data_out_integrity_check_offset; } __packed; /*200 v1*/ -/*224 v2*/ -/* FIXME: osdv2_security_parameters */ +/*184 v2*/ +struct osdv2_security_parameters { +/*184*/u8 integrity_check_value[OSDv2_CRYPTO_KEYID_SIZE]; +/*216*/u8 request_nonce[OSD_CRYPTO_NONCE_SIZE]; +/*228*/osd_cdb_offset data_in_integrity_check_offset; +/*232*/osd_cdb_offset data_out_integrity_check_offset; +} __packed; +/*236 v2*/ + +struct osd_security_parameters { + union { + struct osdv1_security_parameters v1; + struct osdv2_security_parameters v2; + }; +}; struct osdv1_cdb { struct osd_cdb_head h; u8 caps[OSDv1_CAP_LEN]; - struct osd_security_parameters sec_params; + struct osdv1_security_parameters sec_params; } __packed; struct osdv2_cdb { struct osd_cdb_head h; u8 caps[OSD_CAP_LEN]; - struct osd_security_parameters sec_params; - /* FIXME: osdv2_security_parameters */ + struct osdv2_security_parameters sec_params; } __packed; struct osd_cdb { @@ -429,15 +442,35 @@ struct osd_data_out_integrity_info { __be64 data_bytes; __be64 set_attributes_bytes; __be64 get_attributes_bytes; - __be64 integrity_check_value; + __u8 integrity_check_value[OSD_CRYPTO_KEYID_SIZE]; } __packed; +/* Same osd_data_out_integrity_info is used for OSD2/OSD1. The only difference + * Is the sizeof the structure since in OSD1 the last array is smaller. Use + * below for version independent handling of this structure + */ +static inline int osd_data_out_integrity_info_sizeof(bool is_ver1) +{ + return sizeof(struct osd_data_out_integrity_info) - + (is_ver1 * (OSDv2_CRYPTO_KEYID_SIZE - OSDv1_CRYPTO_KEYID_SIZE)); +} + struct osd_data_in_integrity_info { __be64 data_bytes; __be64 retrieved_attributes_bytes; - __be64 integrity_check_value; + __u8 integrity_check_value[OSD_CRYPTO_KEYID_SIZE]; } __packed; +/* Same osd_data_in_integrity_info is used for OSD2/OSD1. The only difference + * Is the sizeof the structure since in OSD1 the last array is smaller. Use + * below for version independent handling of this structure + */ +static inline int osd_data_in_integrity_info_sizeof(bool is_ver1) +{ + return sizeof(struct osd_data_in_integrity_info) - + (is_ver1 * (OSDv2_CRYPTO_KEYID_SIZE - OSDv1_CRYPTO_KEYID_SIZE)); +} + struct osd_timestamp { u8 time[6]; /* number of milliseconds since 1/1/1970 UT (big endian) */ } __packed; From e9da4d7f731dafc2b93ce7b31aa09c4d935ef978 Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 19 Apr 2009 19:17:54 +0300 Subject: [PATCH 185/478] [SCSI] libosd: OSD2r05: on-the-wire changes for latest OSD2 revision 5. OSC's OSD2 target: [git clone git://git.open-osd.org/osc-osd/ master] (Initiator code prior to this patch must use: "git checkout CDB_VER_OSD2r01" in the target tree above) This is a summery of the wire changes: * OSDv2_ADDITIONAL_CDB_LENGTH == 192 => 228 (Total CDB is now 236 bytes) * Attributes List Element Header grew, so attribute values are 8 bytes aligned. * Cryptographic keys and signatures are 20 => 32 * Few new definitions. (Still missing new standard definitions attribute values, these do not change wire format and will be added later when needed) Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 7 ++++++- include/scsi/osd_protocol.h | 23 +++++++++++++---------- 2 files changed, 19 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index f61ab84ad20b..1ce6b24abab2 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -263,7 +263,12 @@ static int _osd_req_alist_elem_decode(struct osd_request *or, oa->attr_page = be32_to_cpu(attr->attr_page); oa->attr_id = be32_to_cpu(attr->attr_id); - oa->val_ptr = attr->attr_val; + /* OSD2: For convenience, on empty attributes, we return 8 bytes + * of zeros here. This keeps the same behaviour with OSD2r04, + * and is nice with null terminating ASCII fields. + * oa->val_ptr == NULL marks the end-of-list, or error. + */ + oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved; } return inc; } diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h index bbeceeb0e553..62b2ab8c69d4 100644 --- a/include/scsi/osd_protocol.h +++ b/include/scsi/osd_protocol.h @@ -24,18 +24,17 @@ enum { OSDv1_ADDITIONAL_CDB_LENGTH = 192, OSDv1_TOTAL_CDB_LEN = OSDv1_ADDITIONAL_CDB_LENGTH + 8, OSDv1_CAP_LEN = 80, + /* Latest supported version */ -/* OSD_ADDITIONAL_CDB_LENGTH = 216,*/ + OSDv2_ADDITIONAL_CDB_LENGTH = 228, OSD_ADDITIONAL_CDB_LENGTH = - OSDv1_ADDITIONAL_CDB_LENGTH, /* FIXME: Pete rev-001 sup */ + OSDv2_ADDITIONAL_CDB_LENGTH, OSD_TOTAL_CDB_LEN = OSD_ADDITIONAL_CDB_LENGTH + 8, -/* OSD_CAP_LEN = 104,*/ - OSD_CAP_LEN = OSDv1_CAP_LEN,/* FIXME: Pete rev-001 sup */ + OSD_CAP_LEN = 104, OSD_SYSTEMID_LEN = 20, OSDv1_CRYPTO_KEYID_SIZE = 20, - /*FIXME: OSDv2_CRYPTO_KEYID_SIZE = 32,*/ - OSDv2_CRYPTO_KEYID_SIZE = 20, + OSDv2_CRYPTO_KEYID_SIZE = 32, OSD_CRYPTO_KEYID_SIZE = OSDv2_CRYPTO_KEYID_SIZE, OSD_CRYPTO_SEED_SIZE = 4, OSD_CRYPTO_NONCE_SIZE = 12, @@ -166,7 +165,11 @@ struct osd_cdb_head { /* called allocation_length in some commands */ /*32*/ __be64 length; /*40*/ __be64 start_address; -/*48*/ __be32 list_identifier;/* Rarely used */ + union { +/*48*/ __be32 list_identifier;/* Rarely used */ + /* OSD2r05 5.2.5 CDB continuation length */ +/*48*/ __be32 cdb_continuation_length; + }; } __packed v2; }; /*52*/ union { /* selected attributes mode Page/List/Single */ @@ -331,6 +334,7 @@ struct osdv1_attributes_list_element { struct osdv2_attributes_list_element { __be32 attr_page; __be32 attr_id; + u8 reserved[6]; __be16 attr_bytes; /* valid bytes at attr_val without padding */ u8 attr_val[0]; } __packed; @@ -520,7 +524,7 @@ enum osd_capability_bit_masks { OSD_SEC_CAP_NONE1 = BIT(8), OSD_SEC_CAP_NONE2 = BIT(9), - OSD_SEC_CAP_NONE3 = BIT(10), + OSD_SEC_GBL_REM = BIT(10), /*v2 only*/ OSD_SEC_CAP_QUERY = BIT(11), /*v2 only*/ OSD_SEC_CAP_M_OBJECT = BIT(12), /*v2 only*/ OSD_SEC_CAP_POL_SEC = BIT(13), @@ -595,8 +599,7 @@ struct osdv1_capability { struct osd_capability { struct osd_capability_head h; -/* struct osd_cap_object_descriptor od;*/ - struct osdv1_cap_object_descriptor od; /* FIXME: Pete rev-001 sup */ + struct osd_cap_object_descriptor od; } __packed; /** From e60990023cac11bc6185e7a7f1007fbbb8d30e4d Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 07:06:37 -0500 Subject: [PATCH 186/478] davinci: timers: use clk_get_rate() Use clock framework instead of hard-coded CLOCK_TICK_RATE for determining timer tick frequencies. Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/time.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 88864ae067b8..494e01bff5c3 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -31,6 +31,7 @@ #include "clock.h" static struct clock_event_device clockevent_davinci; +static unsigned int davinci_clock_tick_rate; #define DAVINCI_TIMER0_BASE (IO_PHYS + 0x21400) #define DAVINCI_TIMER1_BASE (IO_PHYS + 0x21800) @@ -282,7 +283,7 @@ static void davinci_set_mode(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: - t->period = CLOCK_TICK_RATE / (HZ); + t->period = davinci_clock_tick_rate / (HZ); t->opts = TIMER_OPTS_PERIODIC; timer32_config(t); break; @@ -309,21 +310,29 @@ static struct clock_event_device clockevent_davinci = { static void __init davinci_timer_init(void) { + struct clk *timer_clk; + static char err[] __initdata = KERN_ERR "%s: can't register clocksource!\n"; /* init timer hw */ timer_init(); + timer_clk = clk_get(NULL, "timer0"); + BUG_ON(IS_ERR(timer_clk)); + clk_enable(timer_clk); + + davinci_clock_tick_rate = clk_get_rate(timer_clk); + /* setup clocksource */ clocksource_davinci.mult = - clocksource_khz2mult(CLOCK_TICK_RATE/1000, + clocksource_khz2mult(davinci_clock_tick_rate/1000, clocksource_davinci.shift); if (clocksource_register(&clocksource_davinci)) printk(err, clocksource_davinci.name); /* setup clockevent */ - clockevent_davinci.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, + clockevent_davinci.mult = div_sc(davinci_clock_tick_rate, NSEC_PER_SEC, clockevent_davinci.shift); clockevent_davinci.max_delta_ns = clockevent_delta2ns(0xfffffffe, &clockevent_davinci); @@ -343,6 +352,15 @@ struct sys_timer davinci_timer = { void davinci_watchdog_reset(void) { u32 tgcr, wdtcr; void __iomem *base = IO_ADDRESS(DAVINCI_WDOG_BASE); + struct device dev; + struct clk *wd_clk; + char *name = "watchdog"; + + dev_set_name(&dev, name); + wd_clk = clk_get(&dev, NULL); + if (WARN_ON(IS_ERR(wd_clk))) + return; + clk_enable(wd_clk); /* disable, internal clock source */ __raw_writel(0, base + TCR); From a4768d2275cb7c0d2a665b9ad4de07834be0714b Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 07:18:14 -0500 Subject: [PATCH 187/478] davinci: add EDMA driver Original code for 2.6.10 and 2.6.28 series done by Texas Instruments and MontaVista, but major updates and rework done by Troy Kisky and David Brownell. Cc: Sergei Shtylyov Cc: Sudhakar Rajashekhara Cc: Troy Kisky Cc: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/Makefile | 2 +- arch/arm/mach-davinci/dma.c | 1135 +++++++++++++++++++++ arch/arm/mach-davinci/include/mach/edma.h | 228 +++++ 3 files changed, 1364 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-davinci/dma.c create mode 100644 arch/arm/mach-davinci/include/mach/edma.h diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 4dc458597f40..3ee3d73d9566 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -5,7 +5,7 @@ # Common objects obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ - gpio.o mux.o devices.o usb.o + gpio.o mux.o devices.o dma.o usb.o # Board specific obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c new file mode 100644 index 000000000000..15e9eb158bb7 --- /dev/null +++ b/arch/arm/mach-davinci/dma.c @@ -0,0 +1,1135 @@ +/* + * EDMA3 support for DaVinci + * + * Copyright (C) 2006-2009 Texas Instruments. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + + +/* Offsets matching "struct edmacc_param" */ +#define PARM_OPT 0x00 +#define PARM_SRC 0x04 +#define PARM_A_B_CNT 0x08 +#define PARM_DST 0x0c +#define PARM_SRC_DST_BIDX 0x10 +#define PARM_LINK_BCNTRLD 0x14 +#define PARM_SRC_DST_CIDX 0x18 +#define PARM_CCNT 0x1c + +#define PARM_SIZE 0x20 + +/* Offsets for EDMA CC global channel registers and their shadows */ +#define SH_ER 0x00 /* 64 bits */ +#define SH_ECR 0x08 /* 64 bits */ +#define SH_ESR 0x10 /* 64 bits */ +#define SH_CER 0x18 /* 64 bits */ +#define SH_EER 0x20 /* 64 bits */ +#define SH_EECR 0x28 /* 64 bits */ +#define SH_EESR 0x30 /* 64 bits */ +#define SH_SER 0x38 /* 64 bits */ +#define SH_SECR 0x40 /* 64 bits */ +#define SH_IER 0x50 /* 64 bits */ +#define SH_IECR 0x58 /* 64 bits */ +#define SH_IESR 0x60 /* 64 bits */ +#define SH_IPR 0x68 /* 64 bits */ +#define SH_ICR 0x70 /* 64 bits */ +#define SH_IEVAL 0x78 +#define SH_QER 0x80 +#define SH_QEER 0x84 +#define SH_QEECR 0x88 +#define SH_QEESR 0x8c +#define SH_QSER 0x90 +#define SH_QSECR 0x94 +#define SH_SIZE 0x200 + +/* Offsets for EDMA CC global registers */ +#define EDMA_REV 0x0000 +#define EDMA_CCCFG 0x0004 +#define EDMA_QCHMAP 0x0200 /* 8 registers */ +#define EDMA_DMAQNUM 0x0240 /* 8 registers (4 on OMAP-L1xx) */ +#define EDMA_QDMAQNUM 0x0260 +#define EDMA_QUETCMAP 0x0280 +#define EDMA_QUEPRI 0x0284 +#define EDMA_EMR 0x0300 /* 64 bits */ +#define EDMA_EMCR 0x0308 /* 64 bits */ +#define EDMA_QEMR 0x0310 +#define EDMA_QEMCR 0x0314 +#define EDMA_CCERR 0x0318 +#define EDMA_CCERRCLR 0x031c +#define EDMA_EEVAL 0x0320 +#define EDMA_DRAE 0x0340 /* 4 x 64 bits*/ +#define EDMA_QRAE 0x0380 /* 4 registers */ +#define EDMA_QUEEVTENTRY 0x0400 /* 2 x 16 registers */ +#define EDMA_QSTAT 0x0600 /* 2 registers */ +#define EDMA_QWMTHRA 0x0620 +#define EDMA_QWMTHRB 0x0624 +#define EDMA_CCSTAT 0x0640 + +#define EDMA_M 0x1000 /* global channel registers */ +#define EDMA_ECR 0x1008 +#define EDMA_ECRH 0x100C +#define EDMA_SHADOW0 0x2000 /* 4 regions shadowing global channels */ +#define EDMA_PARM 0x4000 /* 128 param entries */ + +#define DAVINCI_DMA_3PCC_BASE 0x01C00000 + +#define PARM_OFFSET(param_no) (EDMA_PARM + ((param_no) << 5)) + +#define EDMA_MAX_DMACH 64 +#define EDMA_MAX_PARAMENTRY 512 +#define EDMA_MAX_EVQUE 2 /* FIXME too small */ + + +/*****************************************************************************/ + +static void __iomem *edmacc_regs_base; + +static inline unsigned int edma_read(int offset) +{ + return (unsigned int)__raw_readl(edmacc_regs_base + offset); +} + +static inline void edma_write(int offset, int val) +{ + __raw_writel(val, edmacc_regs_base + offset); +} +static inline void edma_modify(int offset, unsigned and, unsigned or) +{ + unsigned val = edma_read(offset); + val &= and; + val |= or; + edma_write(offset, val); +} +static inline void edma_and(int offset, unsigned and) +{ + unsigned val = edma_read(offset); + val &= and; + edma_write(offset, val); +} +static inline void edma_or(int offset, unsigned or) +{ + unsigned val = edma_read(offset); + val |= or; + edma_write(offset, val); +} +static inline unsigned int edma_read_array(int offset, int i) +{ + return edma_read(offset + (i << 2)); +} +static inline void edma_write_array(int offset, int i, unsigned val) +{ + edma_write(offset + (i << 2), val); +} +static inline void edma_modify_array(int offset, int i, + unsigned and, unsigned or) +{ + edma_modify(offset + (i << 2), and, or); +} +static inline void edma_or_array(int offset, int i, unsigned or) +{ + edma_or(offset + (i << 2), or); +} +static inline void edma_or_array2(int offset, int i, int j, unsigned or) +{ + edma_or(offset + ((i*2 + j) << 2), or); +} +static inline void edma_write_array2(int offset, int i, int j, unsigned val) +{ + edma_write(offset + ((i*2 + j) << 2), val); +} +static inline unsigned int edma_shadow0_read(int offset) +{ + return edma_read(EDMA_SHADOW0 + offset); +} +static inline unsigned int edma_shadow0_read_array(int offset, int i) +{ + return edma_read(EDMA_SHADOW0 + offset + (i << 2)); +} +static inline void edma_shadow0_write(int offset, unsigned val) +{ + edma_write(EDMA_SHADOW0 + offset, val); +} +static inline void edma_shadow0_write_array(int offset, int i, unsigned val) +{ + edma_write(EDMA_SHADOW0 + offset + (i << 2), val); +} +static inline unsigned int edma_parm_read(int offset, int param_no) +{ + return edma_read(EDMA_PARM + offset + (param_no << 5)); +} +static inline void edma_parm_write(int offset, int param_no, unsigned val) +{ + edma_write(EDMA_PARM + offset + (param_no << 5), val); +} +static inline void edma_parm_modify(int offset, int param_no, + unsigned and, unsigned or) +{ + edma_modify(EDMA_PARM + offset + (param_no << 5), and, or); +} +static inline void edma_parm_and(int offset, int param_no, unsigned and) +{ + edma_and(EDMA_PARM + offset + (param_no << 5), and); +} +static inline void edma_parm_or(int offset, int param_no, unsigned or) +{ + edma_or(EDMA_PARM + offset + (param_no << 5), or); +} + +/*****************************************************************************/ + +/* actual number of DMA channels and slots on this silicon */ +static unsigned num_channels; +static unsigned num_slots; + +static struct dma_interrupt_data { + void (*callback)(unsigned channel, unsigned short ch_status, + void *data); + void *data; +} intr_data[EDMA_MAX_DMACH]; + +/* The edma_inuse bit for each PaRAM slot is clear unless the + * channel is in use ... by ARM or DSP, for QDMA, or whatever. + */ +static DECLARE_BITMAP(edma_inuse, EDMA_MAX_PARAMENTRY); + +/* The edma_noevent bit for each channel is clear unless + * it doesn't trigger DMA events on this platform. It uses a + * bit of SOC-specific initialization code. + */ +static DECLARE_BITMAP(edma_noevent, EDMA_MAX_DMACH); + +/* dummy param set used to (re)initialize parameter RAM slots */ +static const struct edmacc_param dummy_paramset = { + .link_bcntrld = 0xffff, + .ccnt = 1, +}; + +static const int __initconst +queue_tc_mapping[EDMA_MAX_EVQUE + 1][2] = { +/* {event queue no, TC no} */ + {0, 0}, + {1, 1}, + {-1, -1} +}; + +static const int __initconst +queue_priority_mapping[EDMA_MAX_EVQUE + 1][2] = { + /* {event queue no, Priority} */ + {0, 3}, + {1, 7}, + {-1, -1} +}; + +/*****************************************************************************/ + +static void map_dmach_queue(unsigned ch_no, enum dma_event_q queue_no) +{ + int bit = (ch_no & 0x7) * 4; + + /* default to low priority queue */ + if (queue_no == EVENTQ_DEFAULT) + queue_no = EVENTQ_1; + + queue_no &= 7; + edma_modify_array(EDMA_DMAQNUM, (ch_no >> 3), + ~(0x7 << bit), queue_no << bit); +} + +static void __init map_queue_tc(int queue_no, int tc_no) +{ + int bit = queue_no * 4; + edma_modify(EDMA_QUETCMAP, ~(0x7 << bit), ((tc_no & 0x7) << bit)); +} + +static void __init assign_priority_to_queue(int queue_no, int priority) +{ + int bit = queue_no * 4; + edma_modify(EDMA_QUEPRI, ~(0x7 << bit), ((priority & 0x7) << bit)); +} + +static inline void +setup_dma_interrupt(unsigned lch, + void (*callback)(unsigned channel, u16 ch_status, void *data), + void *data) +{ + if (!callback) { + edma_shadow0_write_array(SH_IECR, lch >> 5, + (1 << (lch & 0x1f))); + } + + intr_data[lch].callback = callback; + intr_data[lch].data = data; + + if (callback) { + edma_shadow0_write_array(SH_ICR, lch >> 5, + (1 << (lch & 0x1f))); + edma_shadow0_write_array(SH_IESR, lch >> 5, + (1 << (lch & 0x1f))); + } +} + +/****************************************************************************** + * + * DMA interrupt handler + * + *****************************************************************************/ +static irqreturn_t dma_irq_handler(int irq, void *data) +{ + int i; + unsigned int cnt = 0; + + dev_dbg(data, "dma_irq_handler\n"); + + if ((edma_shadow0_read_array(SH_IPR, 0) == 0) + && (edma_shadow0_read_array(SH_IPR, 1) == 0)) + return IRQ_NONE; + + while (1) { + int j; + if (edma_shadow0_read_array(SH_IPR, 0)) + j = 0; + else if (edma_shadow0_read_array(SH_IPR, 1)) + j = 1; + else + break; + dev_dbg(data, "IPR%d %08x\n", j, + edma_shadow0_read_array(SH_IPR, j)); + for (i = 0; i < 32; i++) { + int k = (j << 5) + i; + if (edma_shadow0_read_array(SH_IPR, j) & (1 << i)) { + /* Clear the corresponding IPR bits */ + edma_shadow0_write_array(SH_ICR, j, (1 << i)); + if (intr_data[k].callback) { + intr_data[k].callback(k, DMA_COMPLETE, + intr_data[k].data); + } + } + } + cnt++; + if (cnt > 10) + break; + } + edma_shadow0_write(SH_IEVAL, 1); + return IRQ_HANDLED; +} + +/****************************************************************************** + * + * DMA error interrupt handler + * + *****************************************************************************/ +static irqreturn_t dma_ccerr_handler(int irq, void *data) +{ + int i; + unsigned int cnt = 0; + + dev_dbg(data, "dma_ccerr_handler\n"); + + if ((edma_read_array(EDMA_EMR, 0) == 0) && + (edma_read_array(EDMA_EMR, 1) == 0) && + (edma_read(EDMA_QEMR) == 0) && (edma_read(EDMA_CCERR) == 0)) + return IRQ_NONE; + + while (1) { + int j = -1; + if (edma_read_array(EDMA_EMR, 0)) + j = 0; + else if (edma_read_array(EDMA_EMR, 1)) + j = 1; + if (j >= 0) { + dev_dbg(data, "EMR%d %08x\n", j, + edma_read_array(EDMA_EMR, j)); + for (i = 0; i < 32; i++) { + int k = (j << 5) + i; + if (edma_read_array(EDMA_EMR, j) & (1 << i)) { + /* Clear the corresponding EMR bits */ + edma_write_array(EDMA_EMCR, j, 1 << i); + /* Clear any SER */ + edma_shadow0_write_array(SH_SECR, j, + (1 << i)); + if (intr_data[k].callback) { + intr_data[k].callback(k, + DMA_CC_ERROR, + intr_data + [k].data); + } + } + } + } else if (edma_read(EDMA_QEMR)) { + dev_dbg(data, "QEMR %02x\n", + edma_read(EDMA_QEMR)); + for (i = 0; i < 8; i++) { + if (edma_read(EDMA_QEMR) & (1 << i)) { + /* Clear the corresponding IPR bits */ + edma_write(EDMA_QEMCR, 1 << i); + edma_shadow0_write(SH_QSECR, (1 << i)); + + /* NOTE: not reported!! */ + } + } + } else if (edma_read(EDMA_CCERR)) { + dev_dbg(data, "CCERR %08x\n", + edma_read(EDMA_CCERR)); + /* FIXME: CCERR.BIT(16) ignored! much better + * to just write CCERRCLR with CCERR value... + */ + for (i = 0; i < 8; i++) { + if (edma_read(EDMA_CCERR) & (1 << i)) { + /* Clear the corresponding IPR bits */ + edma_write(EDMA_CCERRCLR, 1 << i); + + /* NOTE: not reported!! */ + } + } + } + if ((edma_read_array(EDMA_EMR, 0) == 0) + && (edma_read_array(EDMA_EMR, 1) == 0) + && (edma_read(EDMA_QEMR) == 0) + && (edma_read(EDMA_CCERR) == 0)) { + break; + } + cnt++; + if (cnt > 10) + break; + } + edma_write(EDMA_EEVAL, 1); + return IRQ_HANDLED; +} + +/****************************************************************************** + * + * Transfer controller error interrupt handlers + * + *****************************************************************************/ + +#define tc_errs_handled false /* disabled as long as they're NOPs */ + +static irqreturn_t dma_tc0err_handler(int irq, void *data) +{ + dev_dbg(data, "dma_tc0err_handler\n"); + return IRQ_HANDLED; +} + +static irqreturn_t dma_tc1err_handler(int irq, void *data) +{ + dev_dbg(data, "dma_tc1err_handler\n"); + return IRQ_HANDLED; +} + +/*-----------------------------------------------------------------------*/ + +/* Resource alloc/free: dma channels, parameter RAM slots */ + +/** + * edma_alloc_channel - allocate DMA channel and paired parameter RAM + * @channel: specific channel to allocate; negative for "any unmapped channel" + * @callback: optional; to be issued on DMA completion or errors + * @data: passed to callback + * @eventq_no: an EVENTQ_* constant, used to choose which Transfer + * Controller (TC) executes requests using this channel. Use + * EVENTQ_DEFAULT unless you really need a high priority queue. + * + * This allocates a DMA channel and its associated parameter RAM slot. + * The parameter RAM is initialized to hold a dummy transfer. + * + * Normal use is to pass a specific channel number as @channel, to make + * use of hardware events mapped to that channel. When the channel will + * be used only for software triggering or event chaining, channels not + * mapped to hardware events (or mapped to unused events) are preferable. + * + * DMA transfers start from a channel using edma_start(), or by + * chaining. When the transfer described in that channel's parameter RAM + * slot completes, that slot's data may be reloaded through a link. + * + * DMA errors are only reported to the @callback associated with the + * channel driving that transfer, but transfer completion callbacks can + * be sent to another channel under control of the TCC field in + * the option word of the transfer's parameter RAM set. Drivers must not + * use DMA transfer completion callbacks for channels they did not allocate. + * (The same applies to TCC codes used in transfer chaining.) + * + * Returns the number of the channel, else negative errno. + */ +int edma_alloc_channel(int channel, + void (*callback)(unsigned channel, u16 ch_status, void *data), + void *data, + enum dma_event_q eventq_no) +{ + if (channel < 0) { + channel = 0; + for (;;) { + channel = find_next_bit(edma_noevent, + num_channels, channel); + if (channel == num_channels) + return -ENOMEM; + if (!test_and_set_bit(channel, edma_inuse)) + break; + channel++; + } + } else if (channel >= num_channels) { + return -EINVAL; + } else if (test_and_set_bit(channel, edma_inuse)) { + return -EBUSY; + } + + /* ensure access through shadow region 0 */ + edma_or_array2(EDMA_DRAE, 0, channel >> 5, 1 << (channel & 0x1f)); + + /* ensure no events are pending */ + edma_stop(channel); + memcpy_toio(edmacc_regs_base + PARM_OFFSET(channel), + &dummy_paramset, PARM_SIZE); + + if (callback) + setup_dma_interrupt(channel, callback, data); + + map_dmach_queue(channel, eventq_no); + + return channel; +} +EXPORT_SYMBOL(edma_alloc_channel); + + +/** + * edma_free_channel - deallocate DMA channel + * @channel: dma channel returned from edma_alloc_channel() + * + * This deallocates the DMA channel and associated parameter RAM slot + * allocated by edma_alloc_channel(). + * + * Callers are responsible for ensuring the channel is inactive, and + * will not be reactivated by linking, chaining, or software calls to + * edma_start(). + */ +void edma_free_channel(unsigned channel) +{ + if (channel >= num_channels) + return; + + setup_dma_interrupt(channel, NULL, NULL); + /* REVISIT should probably take out of shadow region 0 */ + + memcpy_toio(edmacc_regs_base + PARM_OFFSET(channel), + &dummy_paramset, PARM_SIZE); + clear_bit(channel, edma_inuse); +} +EXPORT_SYMBOL(edma_free_channel); + +/** + * edma_alloc_slot - allocate DMA parameter RAM + * @slot: specific slot to allocate; negative for "any unused slot" + * + * This allocates a parameter RAM slot, initializing it to hold a + * dummy transfer. Slots allocated using this routine have not been + * mapped to a hardware DMA channel, and will normally be used by + * linking to them from a slot associated with a DMA channel. + * + * Normal use is to pass EDMA_SLOT_ANY as the @slot, but specific + * slots may be allocated on behalf of DSP firmware. + * + * Returns the number of the slot, else negative errno. + */ +int edma_alloc_slot(int slot) +{ + if (slot < 0) { + slot = num_channels; + for (;;) { + slot = find_next_zero_bit(edma_inuse, + num_slots, slot); + if (slot == num_slots) + return -ENOMEM; + if (!test_and_set_bit(slot, edma_inuse)) + break; + } + } else if (slot < num_channels || slot >= num_slots) { + return -EINVAL; + } else if (test_and_set_bit(slot, edma_inuse)) { + return -EBUSY; + } + + memcpy_toio(edmacc_regs_base + PARM_OFFSET(slot), + &dummy_paramset, PARM_SIZE); + + return slot; +} +EXPORT_SYMBOL(edma_alloc_slot); + +/** + * edma_free_slot - deallocate DMA parameter RAM + * @slot: parameter RAM slot returned from edma_alloc_slot() + * + * This deallocates the parameter RAM slot allocated by edma_alloc_slot(). + * Callers are responsible for ensuring the slot is inactive, and will + * not be activated. + */ +void edma_free_slot(unsigned slot) +{ + if (slot < num_channels || slot >= num_slots) + return; + + memcpy_toio(edmacc_regs_base + PARM_OFFSET(slot), + &dummy_paramset, PARM_SIZE); + clear_bit(slot, edma_inuse); +} +EXPORT_SYMBOL(edma_free_slot); + +/*-----------------------------------------------------------------------*/ + +/* Parameter RAM operations (i) -- read/write partial slots */ + +/** + * edma_set_src - set initial DMA source address in parameter RAM slot + * @slot: parameter RAM slot being configured + * @src_port: physical address of source (memory, controller FIFO, etc) + * @addressMode: INCR, except in very rare cases + * @fifoWidth: ignored unless @addressMode is FIFO, else specifies the + * width to use when addressing the fifo (e.g. W8BIT, W32BIT) + * + * Note that the source address is modified during the DMA transfer + * according to edma_set_src_index(). + */ +void edma_set_src(unsigned slot, dma_addr_t src_port, + enum address_mode mode, enum fifo_width width) +{ + if (slot < num_slots) { + unsigned int i = edma_parm_read(PARM_OPT, slot); + + if (mode) { + /* set SAM and program FWID */ + i = (i & ~(EDMA_FWID)) | (SAM | ((width & 0x7) << 8)); + } else { + /* clear SAM */ + i &= ~SAM; + } + edma_parm_write(PARM_OPT, slot, i); + + /* set the source port address + in source register of param structure */ + edma_parm_write(PARM_SRC, slot, src_port); + } +} +EXPORT_SYMBOL(edma_set_src); + +/** + * edma_set_dest - set initial DMA destination address in parameter RAM slot + * @slot: parameter RAM slot being configured + * @dest_port: physical address of destination (memory, controller FIFO, etc) + * @addressMode: INCR, except in very rare cases + * @fifoWidth: ignored unless @addressMode is FIFO, else specifies the + * width to use when addressing the fifo (e.g. W8BIT, W32BIT) + * + * Note that the destination address is modified during the DMA transfer + * according to edma_set_dest_index(). + */ +void edma_set_dest(unsigned slot, dma_addr_t dest_port, + enum address_mode mode, enum fifo_width width) +{ + if (slot < num_slots) { + unsigned int i = edma_parm_read(PARM_OPT, slot); + + if (mode) { + /* set DAM and program FWID */ + i = (i & ~(EDMA_FWID)) | (DAM | ((width & 0x7) << 8)); + } else { + /* clear DAM */ + i &= ~DAM; + } + edma_parm_write(PARM_OPT, slot, i); + /* set the destination port address + in dest register of param structure */ + edma_parm_write(PARM_DST, slot, dest_port); + } +} +EXPORT_SYMBOL(edma_set_dest); + +/** + * edma_get_position - returns the current transfer points + * @slot: parameter RAM slot being examined + * @src: pointer to source port position + * @dst: pointer to destination port position + * + * Returns current source and destination addresses for a particular + * parameter RAM slot. Its channel should not be active when this is called. + */ +void edma_get_position(unsigned slot, dma_addr_t *src, dma_addr_t *dst) +{ + struct edmacc_param temp; + + edma_read_slot(slot, &temp); + if (src != NULL) + *src = temp.src; + if (dst != NULL) + *dst = temp.dst; +} +EXPORT_SYMBOL(edma_get_position); + +/** + * edma_set_src_index - configure DMA source address indexing + * @slot: parameter RAM slot being configured + * @src_bidx: byte offset between source arrays in a frame + * @src_cidx: byte offset between source frames in a block + * + * Offsets are specified to support either contiguous or discontiguous + * memory transfers, or repeated access to a hardware register, as needed. + * When accessing hardware registers, both offsets are normally zero. + */ +void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx) +{ + if (slot < num_slots) { + edma_parm_modify(PARM_SRC_DST_BIDX, slot, + 0xffff0000, src_bidx); + edma_parm_modify(PARM_SRC_DST_CIDX, slot, + 0xffff0000, src_cidx); + } +} +EXPORT_SYMBOL(edma_set_src_index); + +/** + * edma_set_dest_index - configure DMA destination address indexing + * @slot: parameter RAM slot being configured + * @dest_bidx: byte offset between destination arrays in a frame + * @dest_cidx: byte offset between destination frames in a block + * + * Offsets are specified to support either contiguous or discontiguous + * memory transfers, or repeated access to a hardware register, as needed. + * When accessing hardware registers, both offsets are normally zero. + */ +void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx) +{ + if (slot < num_slots) { + edma_parm_modify(PARM_SRC_DST_BIDX, slot, + 0x0000ffff, dest_bidx << 16); + edma_parm_modify(PARM_SRC_DST_CIDX, slot, + 0x0000ffff, dest_cidx << 16); + } +} +EXPORT_SYMBOL(edma_set_dest_index); + +/** + * edma_set_transfer_params - configure DMA transfer parameters + * @slot: parameter RAM slot being configured + * @acnt: how many bytes per array (at least one) + * @bcnt: how many arrays per frame (at least one) + * @ccnt: how many frames per block (at least one) + * @bcnt_rld: used only for A-Synchronized transfers; this specifies + * the value to reload into bcnt when it decrements to zero + * @sync_mode: ASYNC or ABSYNC + * + * See the EDMA3 documentation to understand how to configure and link + * transfers using the fields in PaRAM slots. If you are not doing it + * all at once with edma_write_slot(), you will use this routine + * plus two calls each for source and destination, setting the initial + * address and saying how to index that address. + * + * An example of an A-Synchronized transfer is a serial link using a + * single word shift register. In that case, @acnt would be equal to + * that word size; the serial controller issues a DMA synchronization + * event to transfer each word, and memory access by the DMA transfer + * controller will be word-at-a-time. + * + * An example of an AB-Synchronized transfer is a device using a FIFO. + * In that case, @acnt equals the FIFO width and @bcnt equals its depth. + * The controller with the FIFO issues DMA synchronization events when + * the FIFO threshold is reached, and the DMA transfer controller will + * transfer one frame to (or from) the FIFO. It will probably use + * efficient burst modes to access memory. + */ +void edma_set_transfer_params(unsigned slot, + u16 acnt, u16 bcnt, u16 ccnt, + u16 bcnt_rld, enum sync_dimension sync_mode) +{ + if (slot < num_slots) { + edma_parm_modify(PARM_LINK_BCNTRLD, slot, + 0x0000ffff, bcnt_rld << 16); + if (sync_mode == ASYNC) + edma_parm_and(PARM_OPT, slot, ~SYNCDIM); + else + edma_parm_or(PARM_OPT, slot, SYNCDIM); + /* Set the acount, bcount, ccount registers */ + edma_parm_write(PARM_A_B_CNT, slot, (bcnt << 16) | acnt); + edma_parm_write(PARM_CCNT, slot, ccnt); + } +} +EXPORT_SYMBOL(edma_set_transfer_params); + +/** + * edma_link - link one parameter RAM slot to another + * @from: parameter RAM slot originating the link + * @to: parameter RAM slot which is the link target + * + * The originating slot should not be part of any active DMA transfer. + */ +void edma_link(unsigned from, unsigned to) +{ + if (from >= num_slots) + return; + if (to >= num_slots) + return; + edma_parm_modify(PARM_LINK_BCNTRLD, from, 0xffff0000, PARM_OFFSET(to)); +} +EXPORT_SYMBOL(edma_link); + +/** + * edma_unlink - cut link from one parameter RAM slot + * @from: parameter RAM slot originating the link + * + * The originating slot should not be part of any active DMA transfer. + * Its link is set to 0xffff. + */ +void edma_unlink(unsigned from) +{ + if (from >= num_slots) + return; + edma_parm_or(PARM_LINK_BCNTRLD, from, 0xffff); +} +EXPORT_SYMBOL(edma_unlink); + +/*-----------------------------------------------------------------------*/ + +/* Parameter RAM operations (ii) -- read/write whole parameter sets */ + +/** + * edma_write_slot - write parameter RAM data for slot + * @slot: number of parameter RAM slot being modified + * @param: data to be written into parameter RAM slot + * + * Use this to assign all parameters of a transfer at once. This + * allows more efficient setup of transfers than issuing multiple + * calls to set up those parameters in small pieces, and provides + * complete control over all transfer options. + */ +void edma_write_slot(unsigned slot, const struct edmacc_param *param) +{ + if (slot >= num_slots) + return; + memcpy_toio(edmacc_regs_base + PARM_OFFSET(slot), param, PARM_SIZE); +} +EXPORT_SYMBOL(edma_write_slot); + +/** + * edma_read_slot - read parameter RAM data from slot + * @slot: number of parameter RAM slot being copied + * @param: where to store copy of parameter RAM data + * + * Use this to read data from a parameter RAM slot, perhaps to + * save them as a template for later reuse. + */ +void edma_read_slot(unsigned slot, struct edmacc_param *param) +{ + if (slot >= num_slots) + return; + memcpy_fromio(param, edmacc_regs_base + PARM_OFFSET(slot), PARM_SIZE); +} +EXPORT_SYMBOL(edma_read_slot); + +/*-----------------------------------------------------------------------*/ + +/* Various EDMA channel control operations */ + +/** + * edma_pause - pause dma on a channel + * @channel: on which edma_start() has been called + * + * This temporarily disables EDMA hardware events on the specified channel, + * preventing them from triggering new transfers on its behalf + */ +void edma_pause(unsigned channel) +{ + if (channel < num_channels) { + unsigned int mask = (1 << (channel & 0x1f)); + + edma_shadow0_write_array(SH_EECR, channel >> 5, mask); + } +} +EXPORT_SYMBOL(edma_pause); + +/** + * edma_resume - resumes dma on a paused channel + * @channel: on which edma_pause() has been called + * + * This re-enables EDMA hardware events on the specified channel. + */ +void edma_resume(unsigned channel) +{ + if (channel < num_channels) { + unsigned int mask = (1 << (channel & 0x1f)); + + edma_shadow0_write_array(SH_EESR, channel >> 5, mask); + } +} +EXPORT_SYMBOL(edma_resume); + +/** + * edma_start - start dma on a channel + * @channel: channel being activated + * + * Channels with event associations will be triggered by their hardware + * events, and channels without such associations will be triggered by + * software. (At this writing there is no interface for using software + * triggers except with channels that don't support hardware triggers.) + * + * Returns zero on success, else negative errno. + */ +int edma_start(unsigned channel) +{ + if (channel < num_channels) { + int j = channel >> 5; + unsigned int mask = (1 << (channel & 0x1f)); + + /* EDMA channels without event association */ + if (test_bit(channel, edma_noevent)) { + pr_debug("EDMA: ESR%d %08x\n", j, + edma_shadow0_read_array(SH_ESR, j)); + edma_shadow0_write_array(SH_ESR, j, mask); + return 0; + } + + /* EDMA channel with event association */ + pr_debug("EDMA: ER%d %08x\n", j, + edma_shadow0_read_array(SH_ER, j)); + /* Clear any pending error */ + edma_write_array(EDMA_EMCR, j, mask); + /* Clear any SER */ + edma_shadow0_write_array(SH_SECR, j, mask); + edma_shadow0_write_array(SH_EESR, j, mask); + pr_debug("EDMA: EER%d %08x\n", j, + edma_shadow0_read_array(SH_EER, j)); + return 0; + } + + return -EINVAL; +} +EXPORT_SYMBOL(edma_start); + +/** + * edma_stop - stops dma on the channel passed + * @channel: channel being deactivated + * + * When @lch is a channel, any active transfer is paused and + * all pending hardware events are cleared. The current transfer + * may not be resumed, and the channel's Parameter RAM should be + * reinitialized before being reused. + */ +void edma_stop(unsigned channel) +{ + if (channel < num_channels) { + int j = channel >> 5; + unsigned int mask = (1 << (channel & 0x1f)); + + edma_shadow0_write_array(SH_EECR, j, mask); + edma_shadow0_write_array(SH_ECR, j, mask); + edma_shadow0_write_array(SH_SECR, j, mask); + edma_write_array(EDMA_EMCR, j, mask); + + pr_debug("EDMA: EER%d %08x\n", j, + edma_shadow0_read_array(SH_EER, j)); + + /* REVISIT: consider guarding against inappropriate event + * chaining by overwriting with dummy_paramset. + */ + } +} +EXPORT_SYMBOL(edma_stop); + +/****************************************************************************** + * + * It cleans ParamEntry qand bring back EDMA to initial state if media has + * been removed before EDMA has finished.It is usedful for removable media. + * Arguments: + * ch_no - channel no + * + * Return: zero on success, or corresponding error no on failure + * + * FIXME this should not be needed ... edma_stop() should suffice. + * + *****************************************************************************/ + +void edma_clean_channel(unsigned channel) +{ + if (channel < num_channels) { + int j = (channel >> 5); + unsigned int mask = 1 << (channel & 0x1f); + + pr_debug("EDMA: EMR%d %08x\n", j, + edma_read_array(EDMA_EMR, j)); + edma_shadow0_write_array(SH_ECR, j, mask); + /* Clear the corresponding EMR bits */ + edma_write_array(EDMA_EMCR, j, mask); + /* Clear any SER */ + edma_shadow0_write_array(SH_SECR, j, mask); + edma_write(EDMA_CCERRCLR, (1 << 16) | 0x3); + } +} +EXPORT_SYMBOL(edma_clean_channel); + +/* + * edma_clear_event - clear an outstanding event on the DMA channel + * Arguments: + * channel - channel number + */ +void edma_clear_event(unsigned channel) +{ + if (channel >= num_channels) + return; + if (channel < 32) + edma_write(EDMA_ECR, 1 << channel); + else + edma_write(EDMA_ECRH, 1 << (channel - 32)); +} +EXPORT_SYMBOL(edma_clear_event); + +/*-----------------------------------------------------------------------*/ + +static int __init edma_probe(struct platform_device *pdev) +{ + struct edma_soc_info *info = pdev->dev.platform_data; + int i; + int status; + const s8 *noevent; + int irq = 0, err_irq = 0; + struct resource *r; + resource_size_t len; + + if (!info) + return -ENODEV; + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "edma_cc"); + if (!r) + return -ENODEV; + + len = r->end - r->start + 1; + + r = request_mem_region(r->start, len, r->name); + if (!r) + return -EBUSY; + + edmacc_regs_base = ioremap(r->start, len); + if (!edmacc_regs_base) { + status = -EBUSY; + goto fail1; + } + + num_channels = min_t(unsigned, info->n_channel, EDMA_MAX_DMACH); + num_slots = min_t(unsigned, info->n_slot, EDMA_MAX_PARAMENTRY); + + dev_dbg(&pdev->dev, "DMA REG BASE ADDR=%p\n", edmacc_regs_base); + + for (i = 0; i < num_slots; i++) + memcpy_toio(edmacc_regs_base + PARM_OFFSET(i), + &dummy_paramset, PARM_SIZE); + + noevent = info->noevent; + if (noevent) { + while (*noevent != -1) + set_bit(*noevent++, edma_noevent); + } + + irq = platform_get_irq(pdev, 0); + status = request_irq(irq, dma_irq_handler, 0, "edma", &pdev->dev); + if (status < 0) { + dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n", + irq, status); + goto fail; + } + + err_irq = platform_get_irq(pdev, 1); + status = request_irq(err_irq, dma_ccerr_handler, 0, + "edma_error", &pdev->dev); + if (status < 0) { + dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n", + err_irq, status); + goto fail; + } + + if (tc_errs_handled) { + status = request_irq(IRQ_TCERRINT0, dma_tc0err_handler, 0, + "edma_tc0", &pdev->dev); + if (status < 0) { + dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n", + IRQ_TCERRINT0, status); + return status; + } + status = request_irq(IRQ_TCERRINT, dma_tc1err_handler, 0, + "edma_tc1", &pdev->dev); + if (status < 0) { + dev_dbg(&pdev->dev, "request_irq %d --> %d\n", + IRQ_TCERRINT, status); + return status; + } + } + + /* Everything lives on transfer controller 1 until otherwise specified. + * This way, long transfers on the low priority queue + * started by the codec engine will not cause audio defects. + */ + for (i = 0; i < num_channels; i++) + map_dmach_queue(i, EVENTQ_1); + + /* Event queue to TC mapping */ + for (i = 0; queue_tc_mapping[i][0] != -1; i++) + map_queue_tc(queue_tc_mapping[i][0], queue_tc_mapping[i][1]); + + /* Event queue priority mapping */ + for (i = 0; queue_priority_mapping[i][0] != -1; i++) + assign_priority_to_queue(queue_priority_mapping[i][0], + queue_priority_mapping[i][1]); + + for (i = 0; i < info->n_region; i++) { + edma_write_array2(EDMA_DRAE, i, 0, 0x0); + edma_write_array2(EDMA_DRAE, i, 1, 0x0); + edma_write_array(EDMA_QRAE, i, 0x0); + } + + return 0; + +fail: + if (err_irq) + free_irq(err_irq, NULL); + if (irq) + free_irq(irq, NULL); + iounmap(edmacc_regs_base); +fail1: + release_mem_region(r->start, len); + return status; +} + + +static struct platform_driver edma_driver = { + .driver.name = "edma", +}; + +static int __init edma_init(void) +{ + return platform_driver_probe(&edma_driver, edma_probe); +} +arch_initcall(edma_init); + diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h new file mode 100644 index 000000000000..f6fc5396dafc --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/edma.h @@ -0,0 +1,228 @@ +/* + * TI DAVINCI dma definitions + * + * Copyright (C) 2006-2009 Texas Instruments. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* + * This EDMA3 programming framework exposes two basic kinds of resource: + * + * Channel Triggers transfers, usually from a hardware event but + * also manually or by "chaining" from DMA completions. + * Each channel is coupled to a Parameter RAM (PaRAM) slot. + * + * Slot Each PaRAM slot holds a DMA transfer descriptor (PaRAM + * "set"), source and destination addresses, a link to a + * next PaRAM slot (if any), options for the transfer, and + * instructions for updating those addresses. There are + * more than twice as many slots as event channels. + * + * Each PaRAM set describes a sequence of transfers, either for one large + * buffer or for several discontiguous smaller buffers. An EDMA transfer + * is driven only from a channel, which performs the transfers specified + * in its PaRAM slot until there are no more transfers. When that last + * transfer completes, the "link" field may be used to reload the channel's + * PaRAM slot with a new transfer descriptor. + * + * The EDMA Channel Controller (CC) maps requests from channels into physical + * Transfer Controller (TC) requests when the channel triggers (by hardware + * or software events, or by chaining). The two physical DMA channels provided + * by the TCs are thus shared by many logical channels. + * + * DaVinci hardware also has a "QDMA" mechanism which is not currently + * supported through this interface. (DSP firmware uses it though.) + */ + +#ifndef EDMA_H_ +#define EDMA_H_ + +/* PaRAM slots are laid out like this */ +struct edmacc_param { + unsigned int opt; + unsigned int src; + unsigned int a_b_cnt; + unsigned int dst; + unsigned int src_dst_bidx; + unsigned int link_bcntrld; + unsigned int src_dst_cidx; + unsigned int ccnt; +}; + +#define CCINT0_INTERRUPT 16 +#define CCERRINT_INTERRUPT 17 +#define TCERRINT0_INTERRUPT 18 +#define TCERRINT1_INTERRUPT 19 + +/* fields in edmacc_param.opt */ +#define SAM BIT(0) +#define DAM BIT(1) +#define SYNCDIM BIT(2) +#define STATIC BIT(3) +#define EDMA_FWID (0x07 << 8) +#define TCCMODE BIT(11) +#define EDMA_TCC(t) ((t) << 12) +#define TCINTEN BIT(20) +#define ITCINTEN BIT(21) +#define TCCHEN BIT(22) +#define ITCCHEN BIT(23) + +#define TRWORD (0x7<<2) +#define PAENTRY (0x1ff<<5) + +/* Drivers should avoid using these symbolic names for dm644x + * channels, and use platform_device IORESOURCE_DMA resources + * instead. (Other DaVinci chips have different peripherals + * and thus have different DMA channel mappings.) + */ +#define DAVINCI_DMA_MCBSP_TX 2 +#define DAVINCI_DMA_MCBSP_RX 3 +#define DAVINCI_DMA_VPSS_HIST 4 +#define DAVINCI_DMA_VPSS_H3A 5 +#define DAVINCI_DMA_VPSS_PRVU 6 +#define DAVINCI_DMA_VPSS_RSZ 7 +#define DAVINCI_DMA_IMCOP_IMXINT 8 +#define DAVINCI_DMA_IMCOP_VLCDINT 9 +#define DAVINCI_DMA_IMCO_PASQINT 10 +#define DAVINCI_DMA_IMCOP_DSQINT 11 +#define DAVINCI_DMA_SPI_SPIX 16 +#define DAVINCI_DMA_SPI_SPIR 17 +#define DAVINCI_DMA_UART0_URXEVT0 18 +#define DAVINCI_DMA_UART0_UTXEVT0 19 +#define DAVINCI_DMA_UART1_URXEVT1 20 +#define DAVINCI_DMA_UART1_UTXEVT1 21 +#define DAVINCI_DMA_UART2_URXEVT2 22 +#define DAVINCI_DMA_UART2_UTXEVT2 23 +#define DAVINCI_DMA_MEMSTK_MSEVT 24 +#define DAVINCI_DMA_MMCRXEVT 26 +#define DAVINCI_DMA_MMCTXEVT 27 +#define DAVINCI_DMA_I2C_ICREVT 28 +#define DAVINCI_DMA_I2C_ICXEVT 29 +#define DAVINCI_DMA_GPIO_GPINT0 32 +#define DAVINCI_DMA_GPIO_GPINT1 33 +#define DAVINCI_DMA_GPIO_GPINT2 34 +#define DAVINCI_DMA_GPIO_GPINT3 35 +#define DAVINCI_DMA_GPIO_GPINT4 36 +#define DAVINCI_DMA_GPIO_GPINT5 37 +#define DAVINCI_DMA_GPIO_GPINT6 38 +#define DAVINCI_DMA_GPIO_GPINT7 39 +#define DAVINCI_DMA_GPIO_GPBNKINT0 40 +#define DAVINCI_DMA_GPIO_GPBNKINT1 41 +#define DAVINCI_DMA_GPIO_GPBNKINT2 42 +#define DAVINCI_DMA_GPIO_GPBNKINT3 43 +#define DAVINCI_DMA_GPIO_GPBNKINT4 44 +#define DAVINCI_DMA_TIMER0_TINT0 48 +#define DAVINCI_DMA_TIMER1_TINT1 49 +#define DAVINCI_DMA_TIMER2_TINT2 50 +#define DAVINCI_DMA_TIMER3_TINT3 51 +#define DAVINCI_DMA_PWM0 52 +#define DAVINCI_DMA_PWM1 53 +#define DAVINCI_DMA_PWM2 54 + +/*ch_status paramater of callback function possible values*/ +#define DMA_COMPLETE 1 +#define DMA_CC_ERROR 2 +#define DMA_TC1_ERROR 3 +#define DMA_TC2_ERROR 4 + +enum address_mode { + INCR = 0, + FIFO = 1 +}; + +enum fifo_width { + W8BIT = 0, + W16BIT = 1, + W32BIT = 2, + W64BIT = 3, + W128BIT = 4, + W256BIT = 5 +}; + +enum dma_event_q { + EVENTQ_0 = 0, + EVENTQ_1 = 1, + EVENTQ_DEFAULT = -1 +}; + +enum sync_dimension { + ASYNC = 0, + ABSYNC = 1 +}; + +#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */ +#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */ + +/* alloc/free DMA channels and their dedicated parameter RAM slots */ +int edma_alloc_channel(int channel, + void (*callback)(unsigned channel, u16 ch_status, void *data), + void *data, enum dma_event_q); +void edma_free_channel(unsigned channel); + +/* alloc/free parameter RAM slots */ +int edma_alloc_slot(int slot); +void edma_free_slot(unsigned slot); + +/* calls that operate on part of a parameter RAM slot */ +void edma_set_src(unsigned slot, dma_addr_t src_port, + enum address_mode mode, enum fifo_width); +void edma_set_dest(unsigned slot, dma_addr_t dest_port, + enum address_mode mode, enum fifo_width); +void edma_get_position(unsigned slot, dma_addr_t *src, dma_addr_t *dst); +void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx); +void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx); +void edma_set_transfer_params(unsigned slot, u16 acnt, u16 bcnt, u16 ccnt, + u16 bcnt_rld, enum sync_dimension sync_mode); +void edma_link(unsigned from, unsigned to); +void edma_unlink(unsigned from); + +/* calls that operate on an entire parameter RAM slot */ +void edma_write_slot(unsigned slot, const struct edmacc_param *params); +void edma_read_slot(unsigned slot, struct edmacc_param *params); + +/* channel control operations */ +int edma_start(unsigned channel); +void edma_stop(unsigned channel); +void edma_clean_channel(unsigned channel); +void edma_clear_event(unsigned channel); +void edma_pause(unsigned channel); +void edma_resume(unsigned channel); + +/* UNRELATED TO DMA */ +int davinci_alloc_iram(unsigned size); +void davinci_free_iram(unsigned addr, unsigned size); + +/* platform_data for EDMA driver */ +struct edma_soc_info { + + /* how many dma resources of each type */ + unsigned n_channel; + unsigned n_region; + unsigned n_slot; + unsigned n_tc; + + /* list of channels with no even trigger; terminated by "-1" */ + const s8 *noevent; +}; + +#endif From 474dad54baee8f8abe63ac334357a37021147701 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 7 Dec 2008 11:46:23 -0800 Subject: [PATCH 188/478] davinci: gpio bugfixes Update the DaVinci GPIO code to work better on non-dm6446 parts, notably the dm355: - Only handle the number of GPIOs the chip actually has. So for example on dm6467, GPIO-42 is the last GPIO, and trying to use GPIO-43 now fails cleanly; or GPIO-72 on dm6446. - Enable GPIO interrupts on each 16-bit GPIO-irq bank ... previously, only the first five were enabled, so GPIO-80 and above (on dm355) wouldn't trigger IRQs. - Use the right IRQ for each GPIO bank. The wrong values were used for dm355 chips, so GPIO IRQs got routed incorrectly. - Handle up to four pairs of 16-bit GPIO banks ... previously only three were handled, so accessing GPIO-96 and up (e.g. on dm355) would oops. - Update several comments that were dm6446-specific. Verified by receiving GPIO-1 (dm9000) and GPIO-5 (msp430) IRQs on the DM355 EVM. One thing this doesn't do is handle the way some of the GPIO numbers on dm6467 are reserved but aren't valid as GPIOs. Some bitmap logic could fix that if needed. Signed-off-by: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/gpio.c | 82 ++++++++++++++++------- arch/arm/mach-davinci/include/mach/gpio.h | 23 +++---- 2 files changed, 69 insertions(+), 36 deletions(-) diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index b49e9d092aab..1aba41c6351e 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -20,6 +20,7 @@ #include #include +#include #include #include #include @@ -36,9 +37,10 @@ struct davinci_gpio { static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)]; +static unsigned __initdata ngpio; /* create a non-inlined version */ -static struct gpio_controller *__iomem __init gpio2controller(unsigned gpio) +static struct gpio_controller __iomem * __init gpio2controller(unsigned gpio) { return __gpio_to_controller(gpio); } @@ -114,9 +116,30 @@ static int __init davinci_gpio_setup(void) { int i, base; - for (i = 0, base = 0; - i < ARRAY_SIZE(chips); - i++, base += 32) { + /* The gpio banks conceptually expose a segmented bitmap, + * and "ngpio" is one more than the largest zero-based + * bit index that's valid. + */ + if (cpu_is_davinci_dm355()) { /* or dm335() */ + ngpio = 104; + } else if (cpu_is_davinci_dm644x()) { /* or dm337() */ + ngpio = 71; + } else if (cpu_is_davinci_dm646x()) { + /* NOTE: each bank has several "reserved" bits, + * unusable as GPIOs. Only 33 of the GPIO numbers + * are usable, and we're not rejecting the others. + */ + ngpio = 43; + } else { + /* if cpu_is_davinci_dm643x() ngpio = 111 */ + pr_err("GPIO setup: how many GPIOs?\n"); + return -EINVAL; + } + + if (WARN_ON(DAVINCI_N_GPIO < ngpio)) + ngpio = DAVINCI_N_GPIO; + + for (i = 0, base = 0; base < ngpio; i++, base += 32) { chips[i].chip.label = "DaVinci"; chips[i].chip.direction_input = davinci_direction_in; @@ -125,7 +148,7 @@ static int __init davinci_gpio_setup(void) chips[i].chip.set = davinci_gpio_set; chips[i].chip.base = base; - chips[i].chip.ngpio = DAVINCI_N_GPIO - base; + chips[i].chip.ngpio = ngpio - base; if (chips[i].chip.ngpio > 32) chips[i].chip.ngpio = 32; @@ -143,11 +166,11 @@ pure_initcall(davinci_gpio_setup); * We expect irqs will normally be set up as input pins, but they can also be * used as output pins ... which is convenient for testing. * - * NOTE: GPIO0..GPIO7 also have direct INTC hookups, which work in addition - * to their GPIOBNK0 irq (but with a bit less overhead). But we don't have - * a good way to hook those up ... + * NOTE: The first few GPIOs also have direct INTC hookups in addition + * to their GPIOBNK0 irq, with a bit less overhead but less flexibility + * on triggering (e.g. no edge options). We don't try to use those. * - * All those INTC hookups (GPIO0..GPIO7 plus five IRQ banks) can also + * All those INTC hookups (direct, plus several IRQ banks) can also * serve as EDMA event triggers. */ @@ -235,29 +258,42 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc) } /* - * NOTE: for suspend/resume, probably best to make a sysdev (and class) - * with its suspend/resume calls hooking into the results of the set_wake() + * NOTE: for suspend/resume, probably best to make a platform_device with + * suspend_late/resume_resume calls hooking into results of the set_wake() * calls ... so if no gpios are wakeup events the clock can be disabled, * with outputs left at previously set levels, and so that VDD3P3V.IOPWDN0 - * can be set appropriately for GPIOV33 pins. + * (dm6446) can be set appropriately for GPIOV33 pins. */ static int __init davinci_gpio_irq_setup(void) { unsigned gpio, irq, bank; + unsigned bank_irq; struct clk *clk; + u32 binten = 0; + + if (cpu_is_davinci_dm355()) { /* or dm335() */ + bank_irq = IRQ_DM355_GPIOBNK0; + } else if (cpu_is_davinci_dm644x()) { + bank_irq = IRQ_GPIOBNK0; + } else if (cpu_is_davinci_dm646x()) { + bank_irq = IRQ_DM646X_GPIOBNK0; + } else { + printk(KERN_ERR "Don't know first GPIO bank IRQ.\n"); + return -EINVAL; + } clk = clk_get(NULL, "gpio"); if (IS_ERR(clk)) { printk(KERN_ERR "Error %ld getting gpio clock?\n", PTR_ERR(clk)); - return 0; + return PTR_ERR(clk); } - clk_enable(clk); - for (gpio = 0, irq = gpio_to_irq(0), bank = IRQ_GPIOBNK0; - gpio < DAVINCI_N_GPIO; bank++) { + for (gpio = 0, irq = gpio_to_irq(0), bank = 0; + gpio < ngpio; + bank++, bank_irq++) { struct gpio_controller *__iomem g = gpio2controller(gpio); unsigned i; @@ -265,28 +301,28 @@ static int __init davinci_gpio_irq_setup(void) __raw_writel(~0, &g->clr_rising); /* set up all irqs in this bank */ - set_irq_chained_handler(bank, gpio_irq_handler); - set_irq_chip_data(bank, g); - set_irq_data(bank, (void *)irq); + set_irq_chained_handler(bank_irq, gpio_irq_handler); + set_irq_chip_data(bank_irq, g); + set_irq_data(bank_irq, (void *)irq); - for (i = 0; i < 16 && gpio < DAVINCI_N_GPIO; - i++, irq++, gpio++) { + for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) { set_irq_chip(irq, &gpio_irqchip); set_irq_chip_data(irq, g); set_irq_handler(irq, handle_simple_irq); set_irq_flags(irq, IRQF_VALID); } + + binten |= BIT(bank); } /* BINTEN -- per-bank interrupt enable. genirq would also let these * bits be set/cleared dynamically. */ - __raw_writel(0x1f, (void *__iomem) + __raw_writel(binten, (void *__iomem) IO_ADDRESS(DAVINCI_GPIO_BASE + 0x08)); printk(KERN_INFO "DaVinci: %d gpio irqs\n", irq - gpio_to_irq(0)); return 0; } - arch_initcall(davinci_gpio_irq_setup); diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index 5e7c36b202f1..efe3281364e6 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h @@ -28,23 +28,18 @@ * go through boot loaders. * * the gpio clock will be turned on when gpios are used, and you may also - * need to pay attention to PINMUX0 and PINMUX1 to be sure those pins are + * need to pay attention to PINMUX registers to be sure those pins are * used as gpios, not with other peripherals. * * On-chip GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, - * and maybe for later updates, code should write GPIO(N) or: - * - GPIOV18(N) for 1.8V pins, N in 0..53; same as GPIO(0)..GPIO(53) - * - GPIOV33(N) for 3.3V pins, N in 0..17; same as GPIO(54)..GPIO(70) - * - * For GPIO IRQs use gpio_to_irq(GPIO(N)) or gpio_to_irq(GPIOV33(N)) etc - * for now, that's != GPIO(N) + * and maybe for later updates, code may write GPIO(N). These may be + * all 1.8V signals, all 3.3V ones, or a mix of the two. A given chip + * may not support all the GPIOs in that range. * * GPIOs can also be on external chips, numbered after the ones built-in * to the DaVinci chip. For now, they won't be usable as IRQ sources. */ -#define GPIO(X) (X) /* 0 <= X <= 70 */ -#define GPIOV18(X) (X) /* 1.8V i/o; 0 <= X <= 53 */ -#define GPIOV33(X) ((X)+54) /* 3.3V i/o; 0 <= X <= 17 */ +#define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */ struct gpio_controller { u32 dir; @@ -73,12 +68,14 @@ __gpio_to_controller(unsigned gpio) { void *__iomem ptr; - if (gpio < 32) + if (gpio < 32 * 1) ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10); - else if (gpio < 64) + else if (gpio < 32 * 2) ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38); - else if (gpio < DAVINCI_N_GPIO) + else if (gpio < 32 * 3) ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60); + else if (gpio < 32 * 4) + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x88); else ptr = NULL; return ptr; From fe277d9bbba9c2851ec11edcd5701f82e034ddd4 Mon Sep 17 00:00:00 2001 From: "Mark A. Greer" Date: Thu, 26 Mar 2009 19:33:21 -0700 Subject: [PATCH 189/478] davinci: PSC: Clear bits in MDCTL reg before setting new bits Clear any set bits in the 'NEXT' field of the MDCTL register in the Power and Sleep Controller (PSC) before setting any new bits. This also allows some minor cleanup by removing some no longer needed lines of code. Signed-off-by: Mark A. Greer Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/psc.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index e44544ac2b16..84171abf5f7b 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c @@ -39,6 +39,7 @@ #define MDSTAT 0x800 #define MDCTL 0xA00 +#define MDSTAT_STATE_MASK 0x1f /* Return nonzero iff the domain's clock is active */ int __init davinci_psc_is_clk_active(unsigned int id) @@ -53,14 +54,13 @@ int __init davinci_psc_is_clk_active(unsigned int id) /* Enable or disable a PSC domain */ void davinci_psc_config(unsigned int domain, unsigned int id, char enable) { - u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl, mdstat_mask; + u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl; void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE); + u32 next_state = enable ? 0x3 : 0x2; /* 0x3 enables, 0x2 disables */ mdctl = __raw_readl(psc_base + MDCTL + 4 * id); - if (enable) - mdctl |= 0x00000003; /* Enable Module */ - else - mdctl &= 0xFFFFFFE2; /* Disable Module */ + mdctl &= ~MDSTAT_STATE_MASK; + mdctl |= next_state; __raw_writel(mdctl, psc_base + MDCTL + 4 * id); pdstat = __raw_readl(psc_base + PDSTAT); @@ -93,12 +93,7 @@ void davinci_psc_config(unsigned int domain, unsigned int id, char enable) } while (!(((ptstat >> domain) & 1) == 0)); } - if (enable) - mdstat_mask = 0x3; - else - mdstat_mask = 0x2; - do { mdstat = __raw_readl(psc_base + MDSTAT + 4 * id); - } while (!((mdstat & 0x0000001F) == mdstat_mask)); + } while (!((mdstat & MDSTAT_STATE_MASK) == next_state)); } From 9e16469c83167d6869ad6cbe83312027ec529c64 Mon Sep 17 00:00:00 2001 From: Sudhakar Rajashekhara Date: Tue, 14 Apr 2009 07:53:02 -0500 Subject: [PATCH 190/478] davinci: DM646x: add interrupt number and priorities Signed-off-by: Sudhakar Rajashekhara Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/include/mach/irqs.h | 52 +++++++++++++- arch/arm/mach-davinci/irq.c | 83 +++++++++++++++++++++-- 2 files changed, 129 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h index f4c5ca6da9f4..9b0e412ebc28 100644 --- a/arch/arm/mach-davinci/include/mach/irqs.h +++ b/arch/arm/mach-davinci/include/mach/irqs.h @@ -96,10 +96,60 @@ #define IRQ_EMUINT 63 #define DAVINCI_N_AINTC_IRQ 64 -#define DAVINCI_N_GPIO 71 +#define DAVINCI_N_GPIO 104 #define NR_IRQS (DAVINCI_N_AINTC_IRQ + DAVINCI_N_GPIO) #define ARCH_TIMER_IRQ IRQ_TINT1_TINT34 +/* DaVinci DM6467-specific Interrupts */ +#define IRQ_DM646X_VP_VERTINT0 0 +#define IRQ_DM646X_VP_VERTINT1 1 +#define IRQ_DM646X_VP_VERTINT2 2 +#define IRQ_DM646X_VP_VERTINT3 3 +#define IRQ_DM646X_VP_ERRINT 4 +#define IRQ_DM646X_RESERVED_1 5 +#define IRQ_DM646X_RESERVED_2 6 +#define IRQ_DM646X_WDINT 7 +#define IRQ_DM646X_CRGENINT0 8 +#define IRQ_DM646X_CRGENINT1 9 +#define IRQ_DM646X_TSIFINT0 10 +#define IRQ_DM646X_TSIFINT1 11 +#define IRQ_DM646X_VDCEINT 12 +#define IRQ_DM646X_USBINT 13 +#define IRQ_DM646X_USBDMAINT 14 +#define IRQ_DM646X_PCIINT 15 +#define IRQ_DM646X_TCERRINT2 20 +#define IRQ_DM646X_TCERRINT3 21 +#define IRQ_DM646X_IDE 22 +#define IRQ_DM646X_HPIINT 23 +#define IRQ_DM646X_EMACRXTHINT 24 +#define IRQ_DM646X_EMACRXINT 25 +#define IRQ_DM646X_EMACTXINT 26 +#define IRQ_DM646X_EMACMISCINT 27 +#define IRQ_DM646X_MCASP0TXINT 28 +#define IRQ_DM646X_MCASP0RXINT 29 +#define IRQ_DM646X_RESERVED_3 31 +#define IRQ_DM646X_MCASP1TXINT 32 +#define IRQ_DM646X_VLQINT 38 +#define IRQ_DM646X_UARTINT2 42 +#define IRQ_DM646X_SPINT0 43 +#define IRQ_DM646X_SPINT1 44 +#define IRQ_DM646X_DSP2ARMINT 45 +#define IRQ_DM646X_RESERVED_4 46 +#define IRQ_DM646X_PSCINT 47 +#define IRQ_DM646X_GPIO0 48 +#define IRQ_DM646X_GPIO1 49 +#define IRQ_DM646X_GPIO2 50 +#define IRQ_DM646X_GPIO3 51 +#define IRQ_DM646X_GPIO4 52 +#define IRQ_DM646X_GPIO5 53 +#define IRQ_DM646X_GPIO6 54 +#define IRQ_DM646X_GPIO7 55 +#define IRQ_DM646X_GPIOBNK0 56 +#define IRQ_DM646X_GPIOBNK1 57 +#define IRQ_DM646X_GPIOBNK2 58 +#define IRQ_DM646X_DDRINT 59 +#define IRQ_DM646X_AEMIFINT 60 + #endif /* __ASM_ARCH_IRQS_H */ diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c index e76835cf1018..cf08ef2945eb 100644 --- a/arch/arm/mach-davinci/irq.c +++ b/arch/arm/mach-davinci/irq.c @@ -25,6 +25,7 @@ #include #include +#include #include #define IRQ_BIT(irq) ((irq) & 0x1f) @@ -40,6 +41,8 @@ #define IRQ_INTPRI0_REG_OFFSET 0x0030 #define IRQ_INTPRI7_REG_OFFSET 0x004C +const u8 *davinci_def_priorities; + #define INTC_BASE IO_ADDRESS(DAVINCI_ARM_INTC_BASE) static inline unsigned int davinci_irq_readl(int offset) @@ -110,9 +113,8 @@ static struct irq_chip davinci_irq_chip_0 = { .unmask = davinci_unmask_irq, }; - /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ -static const u8 default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = { +static const u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = { [IRQ_VDINT0] = 2, [IRQ_VDINT1] = 6, [IRQ_VDINT2] = 6, @@ -179,11 +181,82 @@ static const u8 default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = { [IRQ_EMUINT] = 7, }; +static const u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = { + [IRQ_DM646X_VP_VERTINT0] = 7, + [IRQ_DM646X_VP_VERTINT1] = 7, + [IRQ_DM646X_VP_VERTINT2] = 7, + [IRQ_DM646X_VP_VERTINT3] = 7, + [IRQ_DM646X_VP_ERRINT] = 7, + [IRQ_DM646X_RESERVED_1] = 7, + [IRQ_DM646X_RESERVED_2] = 7, + [IRQ_DM646X_WDINT] = 7, + [IRQ_DM646X_CRGENINT0] = 7, + [IRQ_DM646X_CRGENINT1] = 7, + [IRQ_DM646X_TSIFINT0] = 7, + [IRQ_DM646X_TSIFINT1] = 7, + [IRQ_DM646X_VDCEINT] = 7, + [IRQ_DM646X_USBINT] = 7, + [IRQ_DM646X_USBDMAINT] = 7, + [IRQ_DM646X_PCIINT] = 7, + [IRQ_CCINT0] = 7, /* dma */ + [IRQ_CCERRINT] = 7, /* dma */ + [IRQ_TCERRINT0] = 7, /* dma */ + [IRQ_TCERRINT] = 7, /* dma */ + [IRQ_DM646X_TCERRINT2] = 7, + [IRQ_DM646X_TCERRINT3] = 7, + [IRQ_DM646X_IDE] = 7, + [IRQ_DM646X_HPIINT] = 7, + [IRQ_DM646X_EMACRXTHINT] = 7, + [IRQ_DM646X_EMACRXINT] = 7, + [IRQ_DM646X_EMACTXINT] = 7, + [IRQ_DM646X_EMACMISCINT] = 7, + [IRQ_DM646X_MCASP0TXINT] = 7, + [IRQ_DM646X_MCASP0RXINT] = 7, + [IRQ_AEMIFINT] = 7, + [IRQ_DM646X_RESERVED_3] = 7, + [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */ + [IRQ_TINT0_TINT34] = 7, /* clocksource */ + [IRQ_TINT1_TINT12] = 7, /* DSP timer */ + [IRQ_TINT1_TINT34] = 7, /* system tick */ + [IRQ_PWMINT0] = 7, + [IRQ_PWMINT1] = 7, + [IRQ_DM646X_VLQINT] = 7, + [IRQ_I2C] = 7, + [IRQ_UARTINT0] = 7, + [IRQ_UARTINT1] = 7, + [IRQ_DM646X_UARTINT2] = 7, + [IRQ_DM646X_SPINT0] = 7, + [IRQ_DM646X_SPINT1] = 7, + [IRQ_DM646X_DSP2ARMINT] = 7, + [IRQ_DM646X_RESERVED_4] = 7, + [IRQ_DM646X_PSCINT] = 7, + [IRQ_DM646X_GPIO0] = 7, + [IRQ_DM646X_GPIO1] = 7, + [IRQ_DM646X_GPIO2] = 7, + [IRQ_DM646X_GPIO3] = 7, + [IRQ_DM646X_GPIO4] = 7, + [IRQ_DM646X_GPIO5] = 7, + [IRQ_DM646X_GPIO6] = 7, + [IRQ_DM646X_GPIO7] = 7, + [IRQ_DM646X_GPIOBNK0] = 7, + [IRQ_DM646X_GPIOBNK1] = 7, + [IRQ_DM646X_GPIOBNK2] = 7, + [IRQ_DM646X_DDRINT] = 7, + [IRQ_DM646X_AEMIFINT] = 7, + [IRQ_COMMTX] = 7, + [IRQ_COMMRX] = 7, + [IRQ_EMUINT] = 7, +}; + /* ARM Interrupt Controller Initialization */ void __init davinci_irq_init(void) { unsigned i; - const u8 *priority = default_priorities; + + if (cpu_is_davinci_dm644x()) + davinci_def_priorities = dm644x_default_priorities; + else if (cpu_is_davinci_dm646x()) + davinci_def_priorities = dm646x_default_priorities; /* Clear all interrupt requests */ davinci_irq_writel(~0x0, FIQ_REG0_OFFSET); @@ -211,8 +284,8 @@ void __init davinci_irq_init(void) unsigned j; u32 pri; - for (j = 0, pri = 0; j < 32; j += 4, priority++) - pri |= (*priority & 0x07) << j; + for (j = 0, pri = 0; j < 32; j += 4, davinci_def_priorities++) + pri |= (*davinci_def_priorities & 0x07) << j; davinci_irq_writel(pri, i); } From f9337405b21bafb1c1a24316b3e43b3d3d697925 Mon Sep 17 00:00:00 2001 From: "s-paulraj@ti.com" Date: Thu, 18 Sep 2008 15:35:00 -0400 Subject: [PATCH 191/478] davinci: DM355 IRQ Definitions Adding IRQ defintions for DaVinci DM355 and default interrupt priorities for DM355 Signed-off-by: Sandeep Paulraj Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/include/mach/irqs.h | 51 +++++++++++++++++ arch/arm/mach-davinci/irq.c | 67 +++++++++++++++++++++++ 2 files changed, 118 insertions(+) diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h index 9b0e412ebc28..18066074c995 100644 --- a/arch/arm/mach-davinci/include/mach/irqs.h +++ b/arch/arm/mach-davinci/include/mach/irqs.h @@ -152,4 +152,55 @@ #define IRQ_DM646X_DDRINT 59 #define IRQ_DM646X_AEMIFINT 60 +/* DaVinci DM355-specific Interrupts */ +#define IRQ_DM355_CCDC_VDINT0 0 +#define IRQ_DM355_CCDC_VDINT1 1 +#define IRQ_DM355_CCDC_VDINT2 2 +#define IRQ_DM355_IPIPE_HST 3 +#define IRQ_DM355_H3AINT 4 +#define IRQ_DM355_IPIPE_SDR 5 +#define IRQ_DM355_IPIPEIFINT 6 +#define IRQ_DM355_OSDINT 7 +#define IRQ_DM355_VENCINT 8 +#define IRQ_DM355_IMCOPINT 11 +#define IRQ_DM355_RTOINT 13 +#define IRQ_DM355_TINT4 13 +#define IRQ_DM355_TINT2_TINT12 13 +#define IRQ_DM355_UARTINT2 14 +#define IRQ_DM355_TINT5 14 +#define IRQ_DM355_TINT2_TINT34 14 +#define IRQ_DM355_TINT6 15 +#define IRQ_DM355_TINT3_TINT12 15 +#define IRQ_DM355_SPINT1_0 17 +#define IRQ_DM355_SPINT1_1 18 +#define IRQ_DM355_SPINT2_0 19 +#define IRQ_DM355_SPINT2_1 21 +#define IRQ_DM355_TINT7 22 +#define IRQ_DM355_TINT3_TINT34 22 +#define IRQ_DM355_SDIOINT0 23 +#define IRQ_DM355_MMCINT0 26 +#define IRQ_DM355_MSINT 26 +#define IRQ_DM355_MMCINT1 27 +#define IRQ_DM355_PWMINT3 28 +#define IRQ_DM355_SDIOINT1 31 +#define IRQ_DM355_SPINT0_0 42 +#define IRQ_DM355_SPINT0_1 43 +#define IRQ_DM355_GPIO0 44 +#define IRQ_DM355_GPIO1 45 +#define IRQ_DM355_GPIO2 46 +#define IRQ_DM355_GPIO3 47 +#define IRQ_DM355_GPIO4 48 +#define IRQ_DM355_GPIO5 49 +#define IRQ_DM355_GPIO6 50 +#define IRQ_DM355_GPIO7 51 +#define IRQ_DM355_GPIO8 52 +#define IRQ_DM355_GPIO9 53 +#define IRQ_DM355_GPIOBNK0 54 +#define IRQ_DM355_GPIOBNK1 55 +#define IRQ_DM355_GPIOBNK2 56 +#define IRQ_DM355_GPIOBNK3 57 +#define IRQ_DM355_GPIOBNK4 58 +#define IRQ_DM355_GPIOBNK5 59 +#define IRQ_DM355_GPIOBNK6 60 + #endif /* __ASM_ARCH_IRQS_H */ diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c index cf08ef2945eb..5a324c90e291 100644 --- a/arch/arm/mach-davinci/irq.c +++ b/arch/arm/mach-davinci/irq.c @@ -248,6 +248,71 @@ static const u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_EMUINT] = 7, }; +static const u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = { + [IRQ_DM355_CCDC_VDINT0] = 2, + [IRQ_DM355_CCDC_VDINT1] = 6, + [IRQ_DM355_CCDC_VDINT2] = 6, + [IRQ_DM355_IPIPE_HST] = 6, + [IRQ_DM355_H3AINT] = 6, + [IRQ_DM355_IPIPE_SDR] = 6, + [IRQ_DM355_IPIPEIFINT] = 6, + [IRQ_DM355_OSDINT] = 7, + [IRQ_DM355_VENCINT] = 6, + [IRQ_ASQINT] = 6, + [IRQ_IMXINT] = 6, + [IRQ_USBINT] = 4, + [IRQ_DM355_RTOINT] = 4, + [IRQ_DM355_UARTINT2] = 7, + [IRQ_DM355_TINT6] = 7, + [IRQ_CCINT0] = 5, /* dma */ + [IRQ_CCERRINT] = 5, /* dma */ + [IRQ_TCERRINT0] = 5, /* dma */ + [IRQ_TCERRINT] = 5, /* dma */ + [IRQ_DM355_SPINT2_1] = 7, + [IRQ_DM355_TINT7] = 4, + [IRQ_DM355_SDIOINT0] = 7, + [IRQ_MBXINT] = 7, + [IRQ_MBRINT] = 7, + [IRQ_MMCINT] = 7, + [IRQ_DM355_MMCINT1] = 7, + [IRQ_DM355_PWMINT3] = 7, + [IRQ_DDRINT] = 7, + [IRQ_AEMIFINT] = 7, + [IRQ_DM355_SDIOINT1] = 4, + [IRQ_TINT0_TINT12] = 2, /* clockevent */ + [IRQ_TINT0_TINT34] = 2, /* clocksource */ + [IRQ_TINT1_TINT12] = 7, /* DSP timer */ + [IRQ_TINT1_TINT34] = 7, /* system tick */ + [IRQ_PWMINT0] = 7, + [IRQ_PWMINT1] = 7, + [IRQ_PWMINT2] = 7, + [IRQ_I2C] = 3, + [IRQ_UARTINT0] = 3, + [IRQ_UARTINT1] = 3, + [IRQ_DM355_SPINT0_0] = 3, + [IRQ_DM355_SPINT0_1] = 3, + [IRQ_DM355_GPIO0] = 3, + [IRQ_DM355_GPIO1] = 7, + [IRQ_DM355_GPIO2] = 4, + [IRQ_DM355_GPIO3] = 4, + [IRQ_DM355_GPIO4] = 7, + [IRQ_DM355_GPIO5] = 7, + [IRQ_DM355_GPIO6] = 7, + [IRQ_DM355_GPIO7] = 7, + [IRQ_DM355_GPIO8] = 7, + [IRQ_DM355_GPIO9] = 7, + [IRQ_DM355_GPIOBNK0] = 7, + [IRQ_DM355_GPIOBNK1] = 7, + [IRQ_DM355_GPIOBNK2] = 7, + [IRQ_DM355_GPIOBNK3] = 7, + [IRQ_DM355_GPIOBNK4] = 7, + [IRQ_DM355_GPIOBNK5] = 7, + [IRQ_DM355_GPIOBNK6] = 7, + [IRQ_COMMTX] = 7, + [IRQ_COMMRX] = 7, + [IRQ_EMUINT] = 7, +}; + /* ARM Interrupt Controller Initialization */ void __init davinci_irq_init(void) { @@ -257,6 +322,8 @@ void __init davinci_irq_init(void) davinci_def_priorities = dm644x_default_priorities; else if (cpu_is_davinci_dm646x()) davinci_def_priorities = dm646x_default_priorities; + else if (cpu_is_davinci_dm355()) + davinci_def_priorities = dm355_default_priorities; /* Clear all interrupt requests */ davinci_irq_writel(~0x0, FIQ_REG0_OFFSET); From 617b925f94e0126841164ffd40dd3a8879502b57 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 08:04:26 -0500 Subject: [PATCH 192/478] davinci: serial: generalize for more SoCs Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/include/mach/serial.h | 21 ++++- arch/arm/mach-davinci/serial.c | 95 +++++++++++++++++---- 2 files changed, 96 insertions(+), 20 deletions(-) diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index fb8cb229bfd2..632847d74a1c 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -13,8 +13,23 @@ #include -#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) -#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) -#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) +#define DAVINCI_MAX_NR_UARTS 3 +#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) +#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) +#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) + +#define DM355_UART2_BASE (IO_PHYS + 0x206000) + +/* DaVinci UART register offsets */ +#define UART_DAVINCI_PWREMU 0x0c +#define UART_DM646X_SCR 0x10 +#define UART_DM646X_SCR_TX_WATERMARK 0x08 + +struct davinci_uart_config { + /* Bit field of UARTs present; bit 0 --> UART1 */ + unsigned int enabled_uarts; +}; + +extern void davinci_serial_init(struct davinci_uart_config *); #endif /* __ASM_ARCH_SERIAL_H */ diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c index 3010f9971255..695075796522 100644 --- a/arch/arm/mach-davinci/serial.c +++ b/arch/arm/mach-davinci/serial.c @@ -32,32 +32,47 @@ #include #include #include +#include +#include "clock.h" -#define UART_DAVINCI_PWREMU 0x0c - -static inline unsigned int davinci_serial_in(struct plat_serial8250_port *up, - int offset) +static inline unsigned int serial_read_reg(struct plat_serial8250_port *up, + int offset) { offset <<= up->regshift; - return (unsigned int)__raw_readb(up->membase + offset); + return (unsigned int)__raw_readl(IO_ADDRESS(up->mapbase) + offset); } -static inline void davinci_serial_outp(struct plat_serial8250_port *p, - int offset, int value) +static inline void serial_write_reg(struct plat_serial8250_port *p, int offset, + int value) { offset <<= p->regshift; - __raw_writeb(value, p->membase + offset); + __raw_writel(value, IO_ADDRESS(p->mapbase) + offset); } static struct plat_serial8250_port serial_platform_data[] = { { - .membase = (char *)IO_ADDRESS(DAVINCI_UART0_BASE), - .mapbase = (unsigned long)DAVINCI_UART0_BASE, + .mapbase = DAVINCI_UART0_BASE, .irq = IRQ_UARTINT0, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .mapbase = DAVINCI_UART1_BASE, + .irq = IRQ_UARTINT1, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .mapbase = DAVINCI_UART2_BASE, + .irq = IRQ_UARTINT2, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, - .uartclk = 27000000, }, { .flags = 0 @@ -74,22 +89,68 @@ static struct platform_device serial_device = { static void __init davinci_serial_reset(struct plat_serial8250_port *p) { - /* reset both transmitter and receiver: bits 14,13 = UTRST, URRST */ unsigned int pwremu = 0; - davinci_serial_outp(p, UART_IER, 0); /* disable all interrupts */ + serial_write_reg(p, UART_IER, 0); /* disable all interrupts */ - davinci_serial_outp(p, UART_DAVINCI_PWREMU, pwremu); + /* reset both transmitter and receiver: bits 14,13 = UTRST, URRST */ + serial_write_reg(p, UART_DAVINCI_PWREMU, pwremu); mdelay(10); pwremu |= (0x3 << 13); pwremu |= 0x1; - davinci_serial_outp(p, UART_DAVINCI_PWREMU, pwremu); + serial_write_reg(p, UART_DAVINCI_PWREMU, pwremu); + + if (cpu_is_davinci_dm646x()) + serial_write_reg(p, UART_DM646X_SCR, + UART_DM646X_SCR_TX_WATERMARK); +} + +void __init davinci_serial_init(struct davinci_uart_config *info) +{ + int i; + char name[16]; + struct clk *uart_clk; + struct device *dev = &serial_device.dev; + + /* + * Make sure the serial ports are muxed on at this point. + * You have to mux them off in device drivers later on + * if not needed. + */ + for (i = 0; i < DAVINCI_MAX_NR_UARTS; i++) { + struct plat_serial8250_port *p = serial_platform_data + i; + + if (!(info->enabled_uarts & (1 << i))) { + p->flags = 0; + continue; + } + + if (cpu_is_davinci_dm646x()) + p->iotype = UPIO_MEM32; + + if (cpu_is_davinci_dm355()) { + if (i == 2) { + p->mapbase = (unsigned long)DM355_UART2_BASE; + p->irq = IRQ_DM355_UARTINT2; + } + } + + sprintf(name, "uart%d", i); + uart_clk = clk_get(dev, name); + if (IS_ERR(uart_clk)) + printk(KERN_ERR "%s:%d: failed to get UART%d clock\n", + __func__, __LINE__, i); + else { + clk_enable(uart_clk); + p->uartclk = clk_get_rate(uart_clk); + davinci_serial_reset(p); + } + } } static int __init davinci_init(void) { - davinci_serial_reset(&serial_platform_data[0]); return platform_device_register(&serial_device); } From 5526b3f7e3317bdd0dcc0483214935ae64236efb Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 09:50:37 -0500 Subject: [PATCH 193/478] davinci: update pin-multiplexing support Update MUX support to be more general and useful across multiple SoCs in the DaVinci family. Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/Kconfig | 26 +++ arch/arm/mach-davinci/Makefile | 4 +- arch/arm/mach-davinci/devices.c | 5 + arch/arm/mach-davinci/include/mach/mux.h | 212 ++++++++++++++++++----- arch/arm/mach-davinci/mux.c | 103 ++++++++--- arch/arm/mach-davinci/mux.h | 51 ++++++ 6 files changed, 337 insertions(+), 64 deletions(-) create mode 100644 arch/arm/mach-davinci/mux.h diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index af886734c73b..f18090e78e30 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -18,6 +18,32 @@ config MACH_DAVINCI_EVM Configure this option to specify the whether the board used for development is a DaVinci EVM + +config DAVINCI_MUX + bool "DAVINCI multiplexing support" + depends on ARCH_DAVINCI + default y + help + Pin multiplexing support for DAVINCI boards. If your bootloader + sets the multiplexing correctly, say N. Otherwise, or if unsure, + say Y. + +config DAVINCI_MUX_DEBUG + bool "Multiplexing debug output" + depends on DAVINCI_MUX + help + Makes the multiplexing functions print out a lot of debug info. + This is useful if you want to find out the correct values of the + multiplexing registers. + +config DAVINCI_MUX_WARNINGS + bool "Warn about pins the bootloader didn't set up" + depends on DAVINCI_MUX + help + Choose Y here to warn whenever driver initialization logic needs + to change the pin multiplexing setup. When there are no warnings + printed, it's safe to deselect DAVINCI_MUX for your product. + config DAVINCI_RESET_CLOCKS bool "Reset unused clocks during boot" depends on ARCH_DAVINCI diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 3ee3d73d9566..b27871af4fcf 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -5,7 +5,9 @@ # Common objects obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ - gpio.o mux.o devices.o dma.o usb.o + gpio.o devices.o dma.o usb.o + +obj-$(CONFIG_DAVINCI_MUX) += mux.o # Board specific obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 3ea6d477f06b..a31370b93dd2 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -21,6 +21,8 @@ #include #include #include +#include +#include #define DAVINCI_I2C_BASE 0x01C21000 @@ -45,6 +47,9 @@ static struct platform_device davinci_i2c_device = { void __init davinci_init_i2c(struct davinci_i2c_platform_data *pdata) { + if (cpu_is_davinci_dm644x()) + davinci_cfg_reg(DM644X_I2C); + davinci_i2c_device.dev.platform_data = pdata; (void) platform_device_register(&davinci_i2c_device); } diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h index c24b6782804d..bae22cb3e27b 100644 --- a/arch/arm/mach-davinci/include/mach/mux.h +++ b/arch/arm/mach-davinci/include/mach/mux.h @@ -1,55 +1,183 @@ /* - * DaVinci pin multiplexing defines + * Table of the DAVINCI register configurations for the PINMUX combinations * * Author: Vladimir Barinov, MontaVista Software, Inc. * + * Based on linux/include/asm-arm/arch-omap/mux.h: + * Copyright (C) 2003 - 2005 Nokia Corporation + * + * Written by Tony Lindgren + * * 2007 (c) MontaVista Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. + * + * Copyright (C) 2008 Texas Instruments. */ -#ifndef __ASM_ARCH_MUX_H -#define __ASM_ARCH_MUX_H -#define DAVINCI_MUX_AEAW0 0 -#define DAVINCI_MUX_AEAW1 1 -#define DAVINCI_MUX_AEAW2 2 -#define DAVINCI_MUX_AEAW3 3 -#define DAVINCI_MUX_AEAW4 4 -#define DAVINCI_MUX_AECS4 10 -#define DAVINCI_MUX_AECS5 11 -#define DAVINCI_MUX_VLYNQWD0 12 -#define DAVINCI_MUX_VLYNQWD1 13 -#define DAVINCI_MUX_VLSCREN 14 -#define DAVINCI_MUX_VLYNQEN 15 -#define DAVINCI_MUX_HDIREN 16 -#define DAVINCI_MUX_ATAEN 17 -#define DAVINCI_MUX_RGB666 22 -#define DAVINCI_MUX_RGB888 23 -#define DAVINCI_MUX_LOEEN 24 -#define DAVINCI_MUX_LFLDEN 25 -#define DAVINCI_MUX_CWEN 26 -#define DAVINCI_MUX_CFLDEN 27 -#define DAVINCI_MUX_HPIEN 29 -#define DAVINCI_MUX_1394EN 30 -#define DAVINCI_MUX_EMACEN 31 +#ifndef __INC_MACH_MUX_H +#define __INC_MACH_MUX_H -#define DAVINCI_MUX_LEVEL2 32 -#define DAVINCI_MUX_UART0 (DAVINCI_MUX_LEVEL2 + 0) -#define DAVINCI_MUX_UART1 (DAVINCI_MUX_LEVEL2 + 1) -#define DAVINCI_MUX_UART2 (DAVINCI_MUX_LEVEL2 + 2) -#define DAVINCI_MUX_U2FLO (DAVINCI_MUX_LEVEL2 + 3) -#define DAVINCI_MUX_PWM0 (DAVINCI_MUX_LEVEL2 + 4) -#define DAVINCI_MUX_PWM1 (DAVINCI_MUX_LEVEL2 + 5) -#define DAVINCI_MUX_PWM2 (DAVINCI_MUX_LEVEL2 + 6) -#define DAVINCI_MUX_I2C (DAVINCI_MUX_LEVEL2 + 7) -#define DAVINCI_MUX_SPI (DAVINCI_MUX_LEVEL2 + 8) -#define DAVINCI_MUX_MSTK (DAVINCI_MUX_LEVEL2 + 9) -#define DAVINCI_MUX_ASP (DAVINCI_MUX_LEVEL2 + 10) -#define DAVINCI_MUX_CLK0 (DAVINCI_MUX_LEVEL2 + 16) -#define DAVINCI_MUX_CLK1 (DAVINCI_MUX_LEVEL2 + 17) -#define DAVINCI_MUX_TIMIN (DAVINCI_MUX_LEVEL2 + 18) +/* System module registers */ +#define PINMUX0 0x00 +#define PINMUX1 0x04 +/* dm355 only */ +#define PINMUX2 0x08 +#define PINMUX3 0x0c +#define PINMUX4 0x10 +#define INTMUX 0x18 +#define EVTMUX 0x1c -extern void davinci_mux_peripheral(unsigned int mux, unsigned int enable); +struct mux_config { + const char *name; + const char *mux_reg_name; + const unsigned char mux_reg; + const unsigned char mask_offset; + const unsigned char mask; + const unsigned char mode; + bool debug; +}; -#endif /* __ASM_ARCH_MUX_H */ +enum davinci_dm644x_index { + /* ATA and HDDIR functions */ + DM644X_HDIREN, + DM644X_ATAEN, + DM644X_ATAEN_DISABLE, + + /* HPI functions */ + DM644X_HPIEN_DISABLE, + + /* AEAW functions */ + DM644X_AEAW, + + /* Memory Stick */ + DM644X_MSTK, + + /* I2C */ + DM644X_I2C, + + /* ASP function */ + DM644X_MCBSP, + + /* UART1 */ + DM644X_UART1, + + /* UART2 */ + DM644X_UART2, + + /* PWM0 */ + DM644X_PWM0, + + /* PWM1 */ + DM644X_PWM1, + + /* PWM2 */ + DM644X_PWM2, + + /* VLYNQ function */ + DM644X_VLYNQEN, + DM644X_VLSCREN, + DM644X_VLYNQWD, + + /* EMAC and MDIO function */ + DM644X_EMACEN, + + /* GPIO3V[0:16] pins */ + DM644X_GPIO3V, + + /* GPIO pins */ + DM644X_GPIO0, + DM644X_GPIO3, + DM644X_GPIO43_44, + DM644X_GPIO46_47, + + /* VPBE */ + DM644X_RGB666, + + /* LCD */ + DM644X_LOEEN, + DM644X_LFLDEN, +}; + +enum davinci_dm646x_index { + /* ATA function */ + DM646X_ATAEN, + + /* AUDIO Clock */ + DM646X_AUDCK1, + DM646X_AUDCK0, + + /* CRGEN Control */ + DM646X_CRGMUX, + + /* VPIF Control */ + DM646X_STSOMUX_DISABLE, + DM646X_STSIMUX_DISABLE, + DM646X_PTSOMUX_DISABLE, + DM646X_PTSIMUX_DISABLE, + + /* TSIF Control */ + DM646X_STSOMUX, + DM646X_STSIMUX, + DM646X_PTSOMUX_PARALLEL, + DM646X_PTSIMUX_PARALLEL, + DM646X_PTSOMUX_SERIAL, + DM646X_PTSIMUX_SERIAL, +}; + +enum davinci_dm355_index { + /* MMC/SD 0 */ + DM355_MMCSD0, + + /* MMC/SD 1 */ + DM355_SD1_CLK, + DM355_SD1_CMD, + DM355_SD1_DATA3, + DM355_SD1_DATA2, + DM355_SD1_DATA1, + DM355_SD1_DATA0, + + /* I2C */ + DM355_I2C_SDA, + DM355_I2C_SCL, + + /* ASP0 function */ + DM355_MCBSP0_BDX, + DM355_MCBSP0_X, + DM355_MCBSP0_BFSX, + DM355_MCBSP0_BDR, + DM355_MCBSP0_R, + DM355_MCBSP0_BFSR, + + /* SPI0 */ + DM355_SPI0_SDI, + DM355_SPI0_SDENA0, + DM355_SPI0_SDENA1, + + /* IRQ muxing */ + DM355_INT_EDMA_CC, + DM355_INT_EDMA_TC0_ERR, + DM355_INT_EDMA_TC1_ERR, + + /* EDMA event muxing */ + DM355_EVT8_ASP1_TX, + DM355_EVT9_ASP1_RX, + DM355_EVT26_MMC0_RX, +}; + +#ifdef CONFIG_DAVINCI_MUX +/* setup pin muxing */ +extern void davinci_mux_init(void); +extern int davinci_mux_register(const struct mux_config *pins, + unsigned long size); +extern int davinci_cfg_reg(unsigned long reg_cfg); +#else +/* boot loader does it all (no warnings from CONFIG_DAVINCI_MUX_WARNINGS) */ +static inline void davinci_mux_init(void) {} +static inline int davinci_mux_register(const struct mux_config *pins, + unsigned long size) { return 0; } +static inline int davinci_cfg_reg(unsigned long reg_cfg) { return 0; } +#endif + +#endif /* __INC_MACH_MUX_H */ diff --git a/arch/arm/mach-davinci/mux.c b/arch/arm/mach-davinci/mux.c index 53734dee1f93..bbba0b247a44 100644 --- a/arch/arm/mach-davinci/mux.c +++ b/arch/arm/mach-davinci/mux.c @@ -1,42 +1,103 @@ /* - * DaVinci pin multiplexing configurations + * Utility to set the DAVINCI MUX register from a table in mux.h * * Author: Vladimir Barinov, MontaVista Software, Inc. * + * Based on linux/arch/arm/plat-omap/mux.c: + * Copyright (C) 2003 - 2005 Nokia Corporation + * + * Written by Tony Lindgren + * * 2007 (c) MontaVista Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. + * + * Copyright (C) 2008 Texas Instruments. */ #include +#include #include #include - #include -/* System control register offsets */ -#define PINMUX0 0x00 -#define PINMUX1 0x04 +static const struct mux_config *mux_table; +static unsigned long pin_table_sz; -static DEFINE_SPINLOCK(mux_lock); - -void davinci_mux_peripheral(unsigned int mux, unsigned int enable) +int __init davinci_mux_register(const struct mux_config *pins, + unsigned long size) { - void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE); - u32 pinmux, muxreg = PINMUX0; + mux_table = pins; + pin_table_sz = size; - if (mux >= DAVINCI_MUX_LEVEL2) { - muxreg = PINMUX1; - mux -= DAVINCI_MUX_LEVEL2; + return 0; +} + +/* + * Sets the DAVINCI MUX register based on the table + */ +int __init_or_module davinci_cfg_reg(const unsigned long index) +{ + static DEFINE_SPINLOCK(mux_spin_lock); + void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE); + unsigned long flags; + const struct mux_config *cfg; + unsigned int reg_orig = 0, reg = 0; + unsigned int mask, warn = 0; + + if (!mux_table) + BUG(); + + if (index >= pin_table_sz) { + printk(KERN_ERR "Invalid pin mux index: %lu (%lu)\n", + index, pin_table_sz); + dump_stack(); + return -ENODEV; } - spin_lock(&mux_lock); - pinmux = __raw_readl(base + muxreg); - if (enable) - pinmux |= (1 << mux); - else - pinmux &= ~(1 << mux); - __raw_writel(pinmux, base + muxreg); - spin_unlock(&mux_lock); + cfg = &mux_table[index]; + + if (cfg->name == NULL) { + printk(KERN_ERR "No entry for the specified index\n"); + return -ENODEV; + } + + /* Update the mux register in question */ + if (cfg->mask) { + unsigned tmp1, tmp2; + + spin_lock_irqsave(&mux_spin_lock, flags); + reg_orig = __raw_readl(base + cfg->mux_reg); + + mask = (cfg->mask << cfg->mask_offset); + tmp1 = reg_orig & mask; + reg = reg_orig & ~mask; + + tmp2 = (cfg->mode << cfg->mask_offset); + reg |= tmp2; + + if (tmp1 != tmp2) + warn = 1; + + __raw_writel(reg, base + cfg->mux_reg); + spin_unlock_irqrestore(&mux_spin_lock, flags); + } + + if (warn) { +#ifdef CONFIG_DAVINCI_MUX_WARNINGS + printk(KERN_WARNING "MUX: initialized %s\n", cfg->name); +#endif + } + +#ifdef CONFIG_DAVINCI_MUX_DEBUG + if (cfg->debug || warn) { + printk(KERN_WARNING "MUX: Setting register %s\n", cfg->name); + printk(KERN_WARNING " %s (0x%08x) = 0x%08x -> 0x%08x\n", + cfg->mux_reg_name, cfg->mux_reg, reg_orig, reg); + } +#endif + + return 0; } +EXPORT_SYMBOL(davinci_cfg_reg); diff --git a/arch/arm/mach-davinci/mux.h b/arch/arm/mach-davinci/mux.h new file mode 100644 index 000000000000..adc869413371 --- /dev/null +++ b/arch/arm/mach-davinci/mux.h @@ -0,0 +1,51 @@ +/* + * Pin-multiplex helper macros for TI DaVinci family devices + * + * Author: Vladimir Barinov, MontaVista Software, Inc. + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + * Copyright (C) 2008 Texas Instruments. + */ +#ifndef _MACH_DAVINCI_MUX_H_ +#define _MACH_DAVINCI_MUX_H_ + +#include + +#define MUX_CFG(soc, desc, muxreg, mode_offset, mode_mask, mux_mode, dbg)\ +[soc##_##desc] = { \ + .name = #desc, \ + .debug = dbg, \ + .mux_reg_name = "PINMUX"#muxreg, \ + .mux_reg = PINMUX##muxreg, \ + .mask_offset = mode_offset, \ + .mask = mode_mask, \ + .mode = mux_mode, \ + }, + +#define INT_CFG(soc, desc, mode_offset, mode_mask, mux_mode, dbg) \ +[soc##_##desc] = { \ + .name = #desc, \ + .debug = dbg, \ + .mux_reg_name = "INTMUX", \ + .mux_reg = INTMUX, \ + .mask_offset = mode_offset, \ + .mask = mode_mask, \ + .mode = mux_mode, \ + }, + +#define EVT_CFG(soc, desc, mode_offset, mode_mask, mux_mode, dbg) \ +[soc##_##desc] = { \ + .name = #desc, \ + .debug = dbg, \ + .mux_reg_name = "EVTMUX", \ + .mux_reg = EVTMUX, \ + .mask_offset = mode_offset, \ + .mask = mode_mask, \ + .mode = mux_mode, \ + }, + +#endif /* _MACH_DAVINCI_MUX_H */ From 73d3c68f09e608be983013dc8b3e49aebe89298c Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 10:57:40 -0500 Subject: [PATCH 194/478] davinci: DM644x: rename board file Rename DM6446 EVM board file, no functional changes. Code is updated and reworked in following patch. Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/{board-evm.c => board-dm644x-evm.c} | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename arch/arm/mach-davinci/{board-evm.c => board-dm644x-evm.c} (100%) diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c similarity index 100% rename from arch/arm/mach-davinci/board-evm.c rename to arch/arm/mach-davinci/board-dm644x-evm.c From d0e47fba054a55e0066c6ae2c807d98d086af5a9 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 11:30:11 -0500 Subject: [PATCH 195/478] davinci: update DM644x support in preparation for more SoCs Rework DM644x code into SoC specific and board specific parts. This is also to generalize the structure a bit so it's easier to add support for new SoCs in the DaVinci family. Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/Kconfig | 9 +- arch/arm/mach-davinci/Makefile | 5 +- arch/arm/mach-davinci/board-dm644x-evm.c | 302 ++++++++++-- arch/arm/mach-davinci/dm644x.c | 461 ++++++++++++++++++ .../include/mach/board-dm6446evm.h | 20 + arch/arm/mach-davinci/include/mach/common.h | 6 + arch/arm/mach-davinci/include/mach/dm644x.h | 37 ++ 7 files changed, 796 insertions(+), 44 deletions(-) create mode 100644 arch/arm/mach-davinci/dm644x.c create mode 100644 arch/arm/mach-davinci/include/mach/board-dm6446evm.h create mode 100644 arch/arm/mach-davinci/include/mach/dm644x.h diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index f18090e78e30..a9c78bc72b84 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -4,19 +4,18 @@ menu "TI DaVinci Implementations" comment "DaVinci Core Type" -config ARCH_DAVINCI644x - default y +config ARCH_DAVINCI_DM644x bool "DaVinci 644x based system" comment "DaVinci Board Type" config MACH_DAVINCI_EVM - bool "TI DaVinci EVM" + bool "TI DM644x EVM" default y - depends on ARCH_DAVINCI644x + depends on ARCH_DAVINCI_DM644x help Configure this option to specify the whether the board used - for development is a DaVinci EVM + for development is a DM644x EVM config DAVINCI_MUX diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index b27871af4fcf..1674661942f3 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -9,5 +9,8 @@ obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ obj-$(CONFIG_DAVINCI_MUX) += mux.o +# Chip specific +obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o + # Board specific -obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o +obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index c2701d740a1d..5387e6b20405 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -15,15 +15,19 @@ #include #include #include +#include #include #include #include - +#include #include +#include #include #include #include +#include +#include #include #include @@ -32,28 +36,34 @@ #include #include -#include +#include #include #include +#include +#include +#include +#include + +#define DM644X_EVM_PHY_MASK (0x2) +#define DM644X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ #define DAVINCI_CFC_ATA_BASE 0x01C66000 + +#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 +#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE 0x04000000 +#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE 0x06000000 +#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE 0x08000000 -/* other misc. init functions */ -void __init davinci_psc_init(void); -void __init davinci_irq_init(void); -void __init davinci_map_common_io(void); -void __init davinci_init_common_hw(void); - -#if defined(CONFIG_MTD_PHYSMAP) || \ - defined(CONFIG_MTD_PHYSMAP_MODULE) +#define LXT971_PHY_ID (0x001378e2) +#define LXT971_PHY_MASK (0xfffffff0) static struct mtd_partition davinci_evm_norflash_partitions[] = { - /* bootloader (U-Boot, etc) in first 4 sectors */ + /* bootloader (UBL, U-Boot, etc) in first 5 sectors */ { .name = "bootloader", .offset = 0, - .size = 4 * SZ_64K, + .size = 5 * SZ_64K, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* bootloader params in the next 1 sectors */ @@ -103,10 +113,60 @@ static struct platform_device davinci_evm_norflash_device = { .resource = &davinci_evm_norflash_resource, }; -#endif +struct mtd_partition davinci_evm_nandflash_partition[] = { + /* 5 MB space at the beginning for bootloader and kernel */ + { + .name = "NAND filesystem", + .offset = 5 * SZ_1M, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + } +}; -#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ - defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) +static struct davinci_nand_pdata davinci_evm_nandflash_data = { + .parts = davinci_evm_nandflash_partition, + .nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition), + .ecc_mode = NAND_ECC_HW, +}; + +static struct resource davinci_evm_nandflash_resource[] = { + { + .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, + .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, { + .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE, + .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device davinci_evm_nandflash_device = { + .name = "davinci_nand", + .id = 0, + .dev = { + .platform_data = &davinci_evm_nandflash_data, + }, + .num_resources = ARRAY_SIZE(davinci_evm_nandflash_resource), + .resource = davinci_evm_nandflash_resource, +}; + +static u64 davinci_fb_dma_mask = DMA_32BIT_MASK; + +static struct platform_device davinci_fb_device = { + .name = "davincifb", + .id = -1, + .dev = { + .dma_mask = &davinci_fb_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + }, + .num_resources = 0, +}; + +static struct platform_device rtc_dev = { + .name = "rtc_davinci_evm", + .id = -1, +}; static struct resource ide_resources[] = { { @@ -121,7 +181,7 @@ static struct resource ide_resources[] = { }, }; -static u64 ide_dma_mask = DMA_BIT_MASK(32); +static u64 ide_dma_mask = DMA_32BIT_MASK; static struct platform_device ide_dev = { .name = "palm_bk3710", @@ -130,12 +190,10 @@ static struct platform_device ide_dev = { .num_resources = ARRAY_SIZE(ide_resources), .dev = { .dma_mask = &ide_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), + .coherent_dma_mask = DMA_32BIT_MASK, }, }; -#endif - /*----------------------------------------------------------------------*/ /* @@ -314,7 +372,9 @@ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) gpio_request(gpio + 7, "nCF_SEL"); gpio_direction_output(gpio + 7, 1); - /* irlml6401 sustains over 3A, switches 5V in under 8 msec */ + /* irlml6401 switches over 1A, in under 8 msec; + * now it can be managed by nDRV_VBUS ... + */ setup_usb(500, 8); return 0; @@ -346,13 +406,119 @@ static struct pcf857x_platform_data pcf_data_u35 = { * - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL) * - ... newer boards may have more */ +static struct memory_accessor *at24_mem_acc; + +static void at24_setup(struct memory_accessor *mem_acc, void *context) +{ + DECLARE_MAC_BUF(mac_str); + char mac_addr[6]; + + at24_mem_acc = mem_acc; + + /* Read MAC addr from EEPROM */ + if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x7f00, 6) == 6) { + printk(KERN_INFO "Read MAC addr from EEPROM: %s\n", + print_mac(mac_str, mac_addr)); + } +} + static struct at24_platform_data eeprom_info = { .byte_len = (256*1024) / 8, .page_size = 64, .flags = AT24_FLAG_ADDR16, + .setup = at24_setup, }; +int dm6446evm_eeprom_read(void *buf, off_t off, size_t count) +{ + if (at24_mem_acc) + return at24_mem_acc->read(at24_mem_acc, buf, off, count); + return -ENODEV; +} +EXPORT_SYMBOL(dm6446evm_eeprom_read); + +int dm6446evm_eeprom_write(void *buf, off_t off, size_t count) +{ + if (at24_mem_acc) + return at24_mem_acc->write(at24_mem_acc, buf, off, count); + return -ENODEV; +} +EXPORT_SYMBOL(dm6446evm_eeprom_write); + +/* + * MSP430 supports RTC, card detection, input from IR remote, and + * a bit more. It triggers interrupts on GPIO(7) from pressing + * buttons on the IR remote, and for card detect switches. + */ +static struct i2c_client *dm6446evm_msp; + +static int dm6446evm_msp_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + dm6446evm_msp = client; + return 0; +} + +static int dm6446evm_msp_remove(struct i2c_client *client) +{ + dm6446evm_msp = NULL; + return 0; +} + +static const struct i2c_device_id dm6446evm_msp_ids[] = { + { "dm6446evm_msp", 0, }, + { /* end of list */ }, +}; + +static struct i2c_driver dm6446evm_msp_driver = { + .driver.name = "dm6446evm_msp", + .id_table = dm6446evm_msp_ids, + .probe = dm6446evm_msp_probe, + .remove = dm6446evm_msp_remove, +}; + +static int dm6444evm_msp430_get_pins(void) +{ + static const char txbuf[2] = { 2, 4, }; + char buf[4]; + struct i2c_msg msg[2] = { + { + .addr = dm6446evm_msp->addr, + .flags = 0, + .len = 2, + .buf = (void __force *)txbuf, + }, + { + .addr = dm6446evm_msp->addr, + .flags = I2C_M_RD, + .len = 4, + .buf = buf, + }, + }; + int status; + + if (!dm6446evm_msp) + return -ENXIO; + + /* Command 4 == get input state, returns port 2 and port3 data + * S Addr W [A] len=2 [A] cmd=4 [A] + * RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P + */ + status = i2c_transfer(dm6446evm_msp->adapter, msg, 2); + if (status < 0) + return status; + + dev_dbg(&dm6446evm_msp->dev, + "PINS: %02x %02x %02x %02x\n", + buf[0], buf[1], buf[2], buf[3]); + + return (buf[3] << 8) | buf[2]; +} + static struct i2c_board_info __initdata i2c_info[] = { + { + I2C_BOARD_INFO("dm6446evm_msp", 0x23), + }, { I2C_BOARD_INFO("pcf8574", 0x38), .platform_data = &pcf_data_u2, @@ -371,7 +537,6 @@ static struct i2c_board_info __initdata i2c_info[] = { }, /* ALSO: * - tvl320aic33 audio codec (0x1b) - * - msp430 microcontroller (0x23) * - tvp5146 video decoder (0x5d) */ }; @@ -387,40 +552,101 @@ static struct davinci_i2c_platform_data i2c_pdata = { static void __init evm_init_i2c(void) { davinci_init_i2c(&i2c_pdata); + i2c_add_driver(&dm6446evm_msp_driver); i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); } static struct platform_device *davinci_evm_devices[] __initdata = { -#if defined(CONFIG_MTD_PHYSMAP) || \ - defined(CONFIG_MTD_PHYSMAP_MODULE) - &davinci_evm_norflash_device, -#endif -#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ - defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) - &ide_dev, -#endif + &davinci_fb_device, + &rtc_dev, +}; + +static struct davinci_uart_config uart_config __initdata = { + .enabled_uarts = (1 << 0), }; static void __init davinci_evm_map_io(void) { davinci_map_common_io(); + dm644x_init(); } +static int davinci_phy_fixup(struct phy_device *phydev) +{ + unsigned int control; + /* CRITICAL: Fix for increasing PHY signal drive strength for + * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY + * signal strength was low causing TX to fail randomly. The + * fix is to Set bit 11 (Increased MII drive strength) of PHY + * register 26 (Digital Config register) on this phy. */ + control = phy_read(phydev, 26); + phy_write(phydev, 26, (control | 0x800)); + return 0; +} + +#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ + defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) +#define HAS_ATA 1 +#else +#define HAS_ATA 0 +#endif + +#if defined(CONFIG_MTD_PHYSMAP) || \ + defined(CONFIG_MTD_PHYSMAP_MODULE) +#define HAS_NOR 1 +#else +#define HAS_NOR 0 +#endif + +#if defined(CONFIG_MTD_NAND_DAVINCI) || \ + defined(CONFIG_MTD_NAND_DAVINCI_MODULE) +#define HAS_NAND 1 +#else +#define HAS_NAND 0 +#endif + static __init void davinci_evm_init(void) { -#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ - defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) -#if defined(CONFIG_MTD_PHYSMAP) || \ - defined(CONFIG_MTD_PHYSMAP_MODULE) - printk(KERN_WARNING "WARNING: both IDE and NOR flash are enabled, " - "but share pins.\n\t Disable IDE for NOR support.\n"); -#endif -#endif + struct clk *aemif_clk; + + aemif_clk = clk_get(NULL, "aemif"); + clk_enable(aemif_clk); + + if (HAS_ATA) { + if (HAS_NAND || HAS_NOR) + pr_warning("WARNING: both IDE and Flash are " + "enabled, but they share AEMIF pins.\n" + "\tDisable IDE for NAND/NOR support.\n"); + davinci_cfg_reg(DM644X_HPIEN_DISABLE); + davinci_cfg_reg(DM644X_ATAEN); + davinci_cfg_reg(DM644X_HDIREN); + platform_device_register(&ide_dev); + } else if (HAS_NAND || HAS_NOR) { + davinci_cfg_reg(DM644X_HPIEN_DISABLE); + davinci_cfg_reg(DM644X_ATAEN_DISABLE); + + /* only one device will be jumpered and detected */ + if (HAS_NAND) { + platform_device_register(&davinci_evm_nandflash_device); + evm_leds[7].default_trigger = "nand-disk"; + if (HAS_NOR) + pr_warning("WARNING: both NAND and NOR flash " + "are enabled; disable one of them.\n"); + } else if (HAS_NOR) + platform_device_register(&davinci_evm_norflash_device); + } platform_add_devices(davinci_evm_devices, ARRAY_SIZE(davinci_evm_devices)); evm_init_i2c(); + + davinci_serial_init(&uart_config); + + /* Register the fixup for PHY on DaVinci */ + phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK, + davinci_phy_fixup); + } static __init void davinci_evm_irq_init(void) @@ -428,7 +654,7 @@ static __init void davinci_evm_irq_init(void) davinci_irq_init(); } -MACHINE_START(DAVINCI_EVM, "DaVinci EVM") +MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM") /* Maintainer: MontaVista Software */ .phys_io = IO_PHYS, .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c new file mode 100644 index 000000000000..d428ef192eac --- /dev/null +++ b/arch/arm/mach-davinci/dm644x.c @@ -0,0 +1,461 @@ +/* + * TI DaVinci DM644x chip specific setup + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * 2007 (c) Deep Root Systems, LLC. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "clock.h" +#include "mux.h" + +/* + * Device specific clocks + */ +#define DM644X_REF_FREQ 27000000 + +static struct pll_data pll1_data = { + .num = 1, + .phys_base = DAVINCI_PLL1_BASE, +}; + +static struct pll_data pll2_data = { + .num = 2, + .phys_base = DAVINCI_PLL2_BASE, +}; + +static struct clk ref_clk = { + .name = "ref_clk", + .rate = DM644X_REF_FREQ, +}; + +static struct clk pll1_clk = { + .name = "pll1", + .parent = &ref_clk, + .pll_data = &pll1_data, + .flags = CLK_PLL, +}; + +static struct clk pll1_sysclk1 = { + .name = "pll1_sysclk1", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV1, +}; + +static struct clk pll1_sysclk2 = { + .name = "pll1_sysclk2", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV2, +}; + +static struct clk pll1_sysclk3 = { + .name = "pll1_sysclk3", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV3, +}; + +static struct clk pll1_sysclk5 = { + .name = "pll1_sysclk5", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV5, +}; + +static struct clk pll1_aux_clk = { + .name = "pll1_aux_clk", + .parent = &pll1_clk, + .flags = CLK_PLL | PRE_PLL, +}; + +static struct clk pll1_sysclkbp = { + .name = "pll1_sysclkbp", + .parent = &pll1_clk, + .flags = CLK_PLL | PRE_PLL, + .div_reg = BPDIV +}; + +static struct clk pll2_clk = { + .name = "pll2", + .parent = &ref_clk, + .pll_data = &pll2_data, + .flags = CLK_PLL, +}; + +static struct clk pll2_sysclk1 = { + .name = "pll2_sysclk1", + .parent = &pll2_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV1, +}; + +static struct clk pll2_sysclk2 = { + .name = "pll2_sysclk2", + .parent = &pll2_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV2, +}; + +static struct clk pll2_sysclkbp = { + .name = "pll2_sysclkbp", + .parent = &pll2_clk, + .flags = CLK_PLL | PRE_PLL, + .div_reg = BPDIV +}; + +static struct clk dsp_clk = { + .name = "dsp", + .parent = &pll1_sysclk1, + .lpsc = DAVINCI_LPSC_GEM, + .flags = PSC_DSP, + .usecount = 1, /* REVISIT how to disable? */ +}; + +static struct clk arm_clk = { + .name = "arm", + .parent = &pll1_sysclk2, + .lpsc = DAVINCI_LPSC_ARM, + .flags = ALWAYS_ENABLED, +}; + +static struct clk vicp_clk = { + .name = "vicp", + .parent = &pll1_sysclk2, + .lpsc = DAVINCI_LPSC_IMCOP, + .flags = PSC_DSP, + .usecount = 1, /* REVISIT how to disable? */ +}; + +static struct clk vpss_master_clk = { + .name = "vpss_master", + .parent = &pll1_sysclk3, + .lpsc = DAVINCI_LPSC_VPSSMSTR, + .flags = CLK_PSC, +}; + +static struct clk vpss_slave_clk = { + .name = "vpss_slave", + .parent = &pll1_sysclk3, + .lpsc = DAVINCI_LPSC_VPSSSLV, +}; + +static struct clk uart0_clk = { + .name = "uart0", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_UART0, +}; + +static struct clk uart1_clk = { + .name = "uart1", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_UART1, +}; + +static struct clk uart2_clk = { + .name = "uart2", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_UART2, +}; + +static struct clk emac_clk = { + .name = "emac", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_EMAC_WRAPPER, +}; + +static struct clk i2c_clk = { + .name = "i2c", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_I2C, +}; + +static struct clk ide_clk = { + .name = "ide", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_ATA, +}; + +static struct clk asp_clk = { + .name = "asp0", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_McBSP, +}; + +static struct clk mmcsd_clk = { + .name = "mmcsd", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_MMC_SD, +}; + +static struct clk spi_clk = { + .name = "spi", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_SPI, +}; + +static struct clk gpio_clk = { + .name = "gpio", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_GPIO, +}; + +static struct clk usb_clk = { + .name = "usb", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_USB, +}; + +static struct clk vlynq_clk = { + .name = "vlynq", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_VLYNQ, +}; + +static struct clk aemif_clk = { + .name = "aemif", + .parent = &pll1_sysclk5, + .lpsc = DAVINCI_LPSC_AEMIF, +}; + +static struct clk pwm0_clk = { + .name = "pwm0", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_PWM0, +}; + +static struct clk pwm1_clk = { + .name = "pwm1", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_PWM1, +}; + +static struct clk pwm2_clk = { + .name = "pwm2", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_PWM2, +}; + +static struct clk timer0_clk = { + .name = "timer0", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_TIMER0, +}; + +static struct clk timer1_clk = { + .name = "timer1", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_TIMER1, +}; + +static struct clk timer2_clk = { + .name = "timer2", + .parent = &pll1_aux_clk, + .lpsc = DAVINCI_LPSC_TIMER2, + .usecount = 1, /* REVISIT: why cant' this be disabled? */ +}; + +struct davinci_clk dm644x_clks[] = { + CLK(NULL, "ref", &ref_clk), + CLK(NULL, "pll1", &pll1_clk), + CLK(NULL, "pll1_sysclk1", &pll1_sysclk1), + CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), + CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), + CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), + CLK(NULL, "pll1_aux", &pll1_aux_clk), + CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp), + CLK(NULL, "pll2", &pll2_clk), + CLK(NULL, "pll2_sysclk1", &pll2_sysclk1), + CLK(NULL, "pll2_sysclk2", &pll2_sysclk2), + CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp), + CLK(NULL, "dsp", &dsp_clk), + CLK(NULL, "arm", &arm_clk), + CLK(NULL, "vicp", &vicp_clk), + CLK(NULL, "vpss_master", &vpss_master_clk), + CLK(NULL, "vpss_slave", &vpss_slave_clk), + CLK(NULL, "arm", &arm_clk), + CLK(NULL, "uart0", &uart0_clk), + CLK(NULL, "uart1", &uart1_clk), + CLK(NULL, "uart2", &uart2_clk), + CLK("davinci_emac.1", NULL, &emac_clk), + CLK("i2c_davinci.1", NULL, &i2c_clk), + CLK("palm_bk3710", NULL, &ide_clk), + CLK("soc-audio.0", NULL, &asp_clk), + CLK("davinci_mmc.0", NULL, &mmcsd_clk), + CLK(NULL, "spi", &spi_clk), + CLK(NULL, "gpio", &gpio_clk), + CLK(NULL, "usb", &usb_clk), + CLK(NULL, "vlynq", &vlynq_clk), + CLK(NULL, "aemif", &aemif_clk), + CLK(NULL, "pwm0", &pwm0_clk), + CLK(NULL, "pwm1", &pwm1_clk), + CLK(NULL, "pwm2", &pwm2_clk), + CLK(NULL, "timer0", &timer0_clk), + CLK(NULL, "timer1", &timer1_clk), + CLK("watchdog", NULL, &timer2_clk), + CLK(NULL, NULL, NULL), +}; + +#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) + +static struct resource dm644x_emac_resources[] = { + { + .start = DM644X_EMAC_BASE, + .end = DM644X_EMAC_BASE + 0x47ff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_EMACINT, + .end = IRQ_EMACINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dm644x_emac_device = { + .name = "davinci_emac", + .id = 1, + .num_resources = ARRAY_SIZE(dm644x_emac_resources), + .resource = dm644x_emac_resources, +}; + +#endif + +/* + * Device specific mux setup + * + * soc description mux mode mode mux dbg + * reg offset mask mode + */ +static const struct mux_config dm644x_pins[] = { +MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true) +MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true) +MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true) + +MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true) + +MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true) + +MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false) + +MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false) + +MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false) + +MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true) +MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true) + +MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false) + +MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false) + +MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false) + +MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false) +MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false) +MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false) + +MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true) + +MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true) + +MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true) +MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false) +MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false) +MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true) + +MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true) + +MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true) +MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false) +}; + + +/*----------------------------------------------------------------------*/ + +static const s8 dma_chan_dm644x_no_event[] = { + 0, 1, 12, 13, 14, + 15, 25, 30, 31, 45, + 46, 47, 55, 56, 57, + 58, 59, 60, 61, 62, + 63, + -1 +}; + +static struct edma_soc_info dm644x_edma_info = { + .n_channel = 64, + .n_region = 4, + .n_slot = 128, + .n_tc = 2, + .noevent = dma_chan_dm644x_no_event, +}; + +static struct resource edma_resources[] = { + { + .name = "edma_cc", + .start = 0x01c00000, + .end = 0x01c00000 + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc0", + .start = 0x01c10000, + .end = 0x01c10000 + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc1", + .start = 0x01c10400, + .end = 0x01c10400 + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_CCINT0, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_CCERRINT, + .flags = IORESOURCE_IRQ, + }, + /* not using TC*_ERR */ +}; + +static struct platform_device dm644x_edma_device = { + .name = "edma", + .id = -1, + .dev.platform_data = &dm644x_edma_info, + .num_resources = ARRAY_SIZE(edma_resources), + .resource = edma_resources, +}; + +/*----------------------------------------------------------------------*/ +void __init dm644x_init(void) +{ + davinci_clk_init(dm644x_clks); + davinci_mux_register(dm644x_pins, ARRAY_SIZE(dm644x_pins)); +} + +static int __init dm644x_init_devices(void) +{ + if (!cpu_is_davinci_dm644x()) + return 0; + + platform_device_register(&dm644x_edma_device); + return 0; +} +postcore_initcall(dm644x_init_devices); diff --git a/arch/arm/mach-davinci/include/mach/board-dm6446evm.h b/arch/arm/mach-davinci/include/mach/board-dm6446evm.h new file mode 100644 index 000000000000..3216f21c1238 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/board-dm6446evm.h @@ -0,0 +1,20 @@ +/* + * DaVinci DM6446 EVM board specific headers + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * 2007 (c) Deep Root Systems, LLC. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or ifndef. + */ + +#ifndef _MACH_DAVINCI_DM6446EVM_H +#define _MACH_DAVINCI_DM6446EVM_H + +#include + +int dm6446evm_eeprom_read(char *buf, off_t off, size_t count); +int dm6446evm_eeprom_write(char *buf, off_t off, size_t count); + +#endif diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h index 4b522e5c70ec..191770976250 100644 --- a/arch/arm/mach-davinci/include/mach/common.h +++ b/arch/arm/mach-davinci/include/mach/common.h @@ -16,6 +16,12 @@ struct sys_timer; extern struct sys_timer davinci_timer; +extern void davinci_irq_init(void); +extern void davinci_map_common_io(void); + +/* parameters describe VBUS sourcing for host mode */ +extern void setup_usb(unsigned mA, unsigned potpgt_msec); + /* parameters describe VBUS sourcing for host mode */ extern void setup_usb(unsigned mA, unsigned potpgt_msec); diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h new file mode 100644 index 000000000000..3dcb9f4e58b4 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/dm644x.h @@ -0,0 +1,37 @@ +/* + * This file contains the processor specific definitions + * of the TI DM644x. + * + * Copyright (C) 2008 Texas Instruments. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef __ASM_ARCH_DM644X_H +#define __ASM_ARCH_DM644X_H + +#include +#include + +#define DM644X_EMAC_BASE (0x01C80000) +#define DM644X_EMAC_CNTRL_OFFSET (0x0000) +#define DM644X_EMAC_CNTRL_MOD_OFFSET (0x1000) +#define DM644X_EMAC_CNTRL_RAM_OFFSET (0x2000) +#define DM644X_EMAC_MDIO_OFFSET (0x4000) +#define DM644X_EMAC_CNTRL_RAM_SIZE (0x2000) + +void __init dm644x_init(void); + +#endif /* __ASM_ARCH_DM644X_H */ From 3e9c18e1dc71b9a0fac302e2defe99d850ad3d79 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Apr 2009 14:19:21 -0500 Subject: [PATCH 196/478] davinci: DM644x: NAND: update partitioning Update NAND partitioning for the dm6446 evm, unmasking the hidden data at the beginning and letting the kernel be updated from Linux. - This is boot-compatible with TI's software (U-Boot 1.20 and both the 2.6.10 and 2.6.18 kernels), in terms of startup and loading kernels from flash. - In the same way, it's also boot-compatible with mainline U-Boot, which stores U-Boot params in block 0 not block 16. - It's not quite compatible with systems that previously used NAND partitions to hold (filesystem) data. The compatibilities are a bit different based on which kernel was used previously + Users of TI/MV kernels no longer see mtd2 "params" (mainline u-boot env is in a different place) * Filesystem is now mtd2 ... vs mtd3 + Users of GIT kernels now see mtd0 and mtd1 partitions * Filesystem partition starts 640 KBytes earlier * Filesystem is now mtd2 ... vs mtd0 * Linux now *uses* the flash-resident BBT * Removes annoying slowdown/hiccup during boot * Potentially ~64KB less space available with TI/MV kernels If you *used* NAND partitions from Linux, there is no solution that's fully compatible with all previous kernels in those respects ... ergo this "best compromise". It'd be good to back back up the filesystem data; or, carry your own backwards-compatibility patch for awhile. Signed-off-by: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/board-dm644x-evm.c | 42 ++++++++++++++++++++---- 1 file changed, 36 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index 5387e6b20405..c039674fe99e 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -16,11 +16,12 @@ #include #include #include +#include #include #include #include -#include + #include #include #include @@ -113,20 +114,49 @@ static struct platform_device davinci_evm_norflash_device = { .resource = &davinci_evm_norflash_resource, }; +/* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks). + * It may used instead of the (default) NOR chip to boot, using TI's + * tools to install the secondary boot loader (UBL) and U-Boot. + */ struct mtd_partition davinci_evm_nandflash_partition[] = { - /* 5 MB space at the beginning for bootloader and kernel */ + /* Bootloader layout depends on whose u-boot is installed, but we + * can hide all the details. + * - block 0 for u-boot environment ... in mainline u-boot + * - block 1 for UBL (plus up to four backup copies in blocks 2..5) + * - blocks 6...? for u-boot + * - blocks 16..23 for u-boot environment ... in TI's u-boot + */ { - .name = "NAND filesystem", - .offset = 5 * SZ_1M, + .name = "bootloader", + .offset = 0, + .size = SZ_256K + SZ_128K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* Kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_4M, + .mask_flags = 0, + }, + /* File system (older GIT kernels started this on the 5MB mark) */ + { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0, } + /* A few blocks at end hold a flash BBT ... created by TI's CCS + * using flashwriter_nand.out, but ignored by TI's versions of + * Linux and u-boot. We boot faster by using them. + */ }; static struct davinci_nand_pdata davinci_evm_nandflash_data = { .parts = davinci_evm_nandflash_partition, .nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition), .ecc_mode = NAND_ECC_HW, + .options = NAND_USE_FLASH_BBT, }; static struct resource davinci_evm_nandflash_resource[] = { @@ -151,14 +181,14 @@ static struct platform_device davinci_evm_nandflash_device = { .resource = davinci_evm_nandflash_resource, }; -static u64 davinci_fb_dma_mask = DMA_32BIT_MASK; +static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32); static struct platform_device davinci_fb_device = { .name = "davincifb", .id = -1, .dev = { .dma_mask = &davinci_fb_dma_mask, - .coherent_dma_mask = DMA_32BIT_MASK, + .coherent_dma_mask = DMA_BIT_MASK(32), }, .num_resources = 0, }; From 7b1a14bbb0e547aaa4d30cc376e6c8c12539ab0f Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 27 Apr 2009 10:49:53 -0400 Subject: [PATCH 197/478] Btrfs: fix acl caching Linus noticed the btrfs code to cache acls wasn't properly caching a NULL acl when the inode didn't have any acls. This meant the common case of no acls resulted in expensive btree searches every time the kernel checked permissions (which is quite often). This is a modified version of Linus' original patch: Properly set initial acl fields to BTRFS_ACL_NOT_CACHED in the inode. This forces an acl lookup when permission checks are done. Fix btrfs_get_acl to avoid lookups and locking when the inode acls fields are set to null. Fix btrfs_get_acl to use the right return value from __btrfs_getxattr when deciding to cache a NULL acl. It was storing a NULL acl when __btrfs_getxattr return -ENOENT, but __btrfs_getxattr was actually returning -ENODATA for this case. Signed-off-by: Chris Mason --- fs/btrfs/acl.c | 22 +++++++++++++++------- fs/btrfs/inode.c | 4 ++-- 2 files changed, 17 insertions(+), 9 deletions(-) diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 7fdd184a528d..cbba000dccbe 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -60,14 +60,19 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type) return ERR_PTR(-EINVAL); } - spin_lock(&inode->i_lock); - if (*p_acl != BTRFS_ACL_NOT_CACHED) - acl = posix_acl_dup(*p_acl); - spin_unlock(&inode->i_lock); - - if (acl) + /* Handle the cached NULL acl case without locking */ + acl = ACCESS_ONCE(*p_acl); + if (!acl) return acl; + spin_lock(&inode->i_lock); + acl = *p_acl; + if (acl != BTRFS_ACL_NOT_CACHED) + acl = posix_acl_dup(acl); + spin_unlock(&inode->i_lock); + + if (acl != BTRFS_ACL_NOT_CACHED) + return acl; size = __btrfs_getxattr(inode, name, "", 0); if (size > 0) { @@ -80,9 +85,12 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type) btrfs_update_cached_acl(inode, p_acl, acl); } kfree(value); - } else if (size == -ENOENT) { + } else if (size == -ENOENT || size == -ENODATA || size == 0) { + /* FIXME, who returns -ENOENT? I think nobody */ acl = NULL; btrfs_update_cached_acl(inode, p_acl, acl); + } else { + acl = ERR_PTR(-EIO); } return acl; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 98bd5069d54a..dc812ec551f6 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3047,8 +3047,8 @@ static noinline void init_btrfs_i(struct inode *inode) { struct btrfs_inode *bi = BTRFS_I(inode); - bi->i_acl = NULL; - bi->i_default_acl = NULL; + bi->i_acl = BTRFS_ACL_NOT_CACHED; + bi->i_default_acl = BTRFS_ACL_NOT_CACHED; bi->generation = 0; bi->sequence = 0; From 46a53cca826e71effe59e3cb4f383622c33ebdcb Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 27 Apr 2009 11:47:50 -0400 Subject: [PATCH 198/478] Btrfs: look for acls during btrfs_read_locked_inode This changes btrfs_read_locked_inode() to peek ahead in the btree for acl items. If it is certain a given inode has no acls, it will set the in memory acl fields to null to avoid acl lookups completely. Signed-off-by: Chris Mason --- fs/btrfs/inode.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index dc812ec551f6..90c23eb28829 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2015,6 +2015,57 @@ void btrfs_orphan_cleanup(struct btrfs_root *root) btrfs_free_path(path); } +/* + * very simple check to peek ahead in the leaf looking for xattrs. If we + * don't find any xattrs, we know there can't be any acls. + * + * slot is the slot the inode is in, objectid is the objectid of the inode + */ +static noinline int acls_after_inode_item(struct extent_buffer *leaf, + int slot, u64 objectid) +{ + u32 nritems = btrfs_header_nritems(leaf); + struct btrfs_key found_key; + int scanned = 0; + + slot++; + while (slot < nritems) { + btrfs_item_key_to_cpu(leaf, &found_key, slot); + + /* we found a different objectid, there must not be acls */ + if (found_key.objectid != objectid) + return 0; + + /* we found an xattr, assume we've got an acl */ + if (found_key.type == BTRFS_XATTR_ITEM_KEY) + return 1; + + /* + * we found a key greater than an xattr key, there can't + * be any acls later on + */ + if (found_key.type > BTRFS_XATTR_ITEM_KEY) + return 0; + + slot++; + scanned++; + + /* + * it goes inode, inode backrefs, xattrs, extents, + * so if there are a ton of hard links to an inode there can + * be a lot of backrefs. Don't waste time searching too hard, + * this is just an optimization + */ + if (scanned >= 8) + break; + } + /* we hit the end of the leaf before we found an xattr or + * something larger than an xattr. We have to assume the inode + * has acls + */ + return 1; +} + /* * read an inode from the btree into the in-memory inode */ @@ -2026,6 +2077,7 @@ void btrfs_read_locked_inode(struct inode *inode) struct btrfs_timespec *tspec; struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_key location; + int maybe_acls; u64 alloc_group_block; u32 rdev; int ret; @@ -2072,6 +2124,16 @@ void btrfs_read_locked_inode(struct inode *inode) alloc_group_block = btrfs_inode_block_group(leaf, inode_item); + /* + * try to precache a NULL acl entry for files that don't have + * any xattrs or acls + */ + maybe_acls = acls_after_inode_item(leaf, path->slots[0], inode->i_ino); + if (!maybe_acls) { + BTRFS_I(inode)->i_acl = NULL; + BTRFS_I(inode)->i_default_acl = NULL; + } + BTRFS_I(inode)->block_group = btrfs_find_block_group(root, 0, alloc_group_block, 0); btrfs_free_path(path); From 28853da20c840f0d147674ac850c539d3306109f Mon Sep 17 00:00:00 2001 From: Martyn Welch Date: Mon, 27 Apr 2009 17:24:28 +0100 Subject: [PATCH 199/478] powerpc/86xx: Add device_type entry to soc for ppc9a The 'device_type = "soc";' line *is* needed in the DTS for get_immrbase() to return the correct address. Signed-off-by: Martyn Welch Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/gef_ppc9a.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts index d47ad0718759..53a7a6255909 100644 --- a/arch/powerpc/boot/dts/gef_ppc9a.dts +++ b/arch/powerpc/boot/dts/gef_ppc9a.dts @@ -161,6 +161,7 @@ #address-cells = <1>; #size-cells = <1>; #interrupt-cells = <2>; + device_type = "soc"; compatible = "fsl,mpc8641-soc", "simple-bus"; ranges = <0x0 0xfef00000 0x00100000>; reg = <0xfef00000 0x100000>; // CCSRBAR 1M From 802b352f2934f799ec2e159f61db6506094a936e Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 27 Apr 2009 21:24:28 -0700 Subject: [PATCH 200/478] ecryptfs: fix printk format warning fs/ecryptfs/inode.c:670: warning: format '%d' expects type 'int', but argument 3 has type 'size_t' Signed-off-by: Randy Dunlap Signed-off-by: Tyler Hicks Cc: Dustin Kirkland Signed-off-by: Andrew Morton --- fs/ecryptfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 93bc0f8174a7..1940edd08307 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -667,7 +667,7 @@ ecryptfs_readlink(struct dentry *dentry, char __user *buf, int bufsiz) lower_buf = kmalloc(lower_bufsiz, GFP_KERNEL); if (lower_buf == NULL) { printk(KERN_ERR "%s: Out of memory whilst attempting to " - "kmalloc [%d] bytes\n", __func__, lower_bufsiz); + "kmalloc [%zd] bytes\n", __func__, lower_bufsiz); rc = -ENOMEM; goto out; } From ac20100df7a7a042423dcb8847f42d9f6ddb8d00 Mon Sep 17 00:00:00 2001 From: Tyler Hicks Date: Mon, 27 Apr 2009 13:31:12 -0500 Subject: [PATCH 201/478] eCryptfs: Fix min function comparison warning This warning shows up on 64 bit builds: fs/ecryptfs/inode.c:693: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Tyler Hicks --- fs/ecryptfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 1940edd08307..2f0945d63297 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -690,7 +690,7 @@ ecryptfs_readlink(struct dentry *dentry, char __user *buf, int bufsiz) } /* Check for bufsiz <= 0 done in sys_readlinkat() */ rc = copy_to_user(buf, plaintext_name, - min((unsigned) bufsiz, plaintext_name_size)); + min((size_t) bufsiz, plaintext_name_size)); if (rc) rc = -EFAULT; else From 3d4f16348b77efbf81b7fa186a18a0eb815b6b84 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 27 Apr 2009 12:00:27 -0700 Subject: [PATCH 202/478] Revert "linux.conf.au 2009: Tuz" This reverts commit 8032b526d1a3bd91ad633dd3a3b5fdbc47ad54f1. Hey, it was only meant to be a single release. Now they can all die as far as I'm concerned. [ Just kidding. They're cute and cuddly. Except when they have horrible nasty facial diseases. 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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - image/svg+xml - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/Documentation/logo.txt b/Documentation/logo.txt index a2e62445e28e..296f0f7f67eb 100644 --- a/Documentation/logo.txt +++ b/Documentation/logo.txt @@ -1,4 +1,13 @@ -Tux is taking a three month sabbatical to work as a barber, so Tuz is -standing in. He's taken pains to ensure you'll hardly notice. +This is the full-colour version of the currently unofficial Linux logo +("currently unofficial" just means that there has been no paperwork and +that I have not really announced it yet). It was created by Larry Ewing, +and is freely usable as long as you acknowledge Larry as the original +artist. + +Note that there are black-and-white versions of this available that +scale down to smaller sizes and are better for letterheads or whatever +you want to use it for: for the full range of logos take a look at +Larry's web-page: + + http://www.isc.tamu.edu/~lewing/linux/ -Image by Andrew McGown and Josh Bush. Image is licensed CC BY-SA. diff --git a/drivers/video/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm index de93ff3fc1ad..3c14e43b82fe 100644 --- a/drivers/video/logo/logo_linux_clut224.ppm +++ b/drivers/video/logo/logo_linux_clut224.ppm @@ -1,2828 +1,1604 @@ P3 -145 113 +# Standard 224-color Linux logo +80 80 255 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 From 5e42336a461a2354b640001323cd07cebd9ade6e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 27 Apr 2009 19:18:22 +0100 Subject: [PATCH 203/478] ASoC: Fix logic in WM8350 master clocking check We need to check only if the WM8350 is master and only when starting the stream so if either is not true then we can skip the check. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8350.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c index 3b1d0993bed9..0275321ff8ab 100644 --- a/sound/soc/codecs/wm8350.c +++ b/sound/soc/codecs/wm8350.c @@ -968,7 +968,7 @@ static int wm8350_pcm_trigger(struct snd_pcm_substream *substream, * required for LRC in master mode. The DACs or ADCs need a * valid audio path i.e. pin -> ADC or DAC -> pin before * the LRC will be enabled in master mode. */ - if (!master && cmd != SNDRV_PCM_TRIGGER_START) + if (!master || cmd != SNDRV_PCM_TRIGGER_START) return 0; if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { From 0c95de73a711d376dc17afe484f919bd5b66c016 Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Mon, 27 Apr 2009 12:44:41 -0400 Subject: [PATCH 204/478] ASoC: Set the MPC5200 i2s driver to BROKEN status. Signed-off-by: Jon Smirl Acked-by: Grant Likely Signed-off-by: Mark Brown --- sound/soc/fsl/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 9fc908283371..e7dd79a1d8cd 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -21,7 +21,7 @@ config SND_SOC_MPC8610_HPCD config SND_SOC_MPC5200_I2S tristate "Freescale MPC5200 PSC in I2S mode driver" - depends on PPC_MPC52xx && PPC_BESTCOMM + depends on PPC_MPC52xx && PPC_BESTCOMM && BROKEN select SND_SOC_OF_SIMPLE select PPC_BESTCOMM_GEN_BD help From 010db4d127d1ae7324d5e00035fe4362e27f0508 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:27:21 -0700 Subject: [PATCH 205/478] RDMA/nes: Modify thermo mitigation to flip SerDes1 ref clk to internal Change thermo mitigation code to flip the SerDes1 reference clock to internal, to match the change in commit a4849fc1 ("RDMA/nes: Add wide_ppm_offset parm for switch compatibility"). Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_hw.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index d6fc9ae44062..7e20a7fd3c3c 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -550,11 +550,8 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { msleep(1); } if (int_cnt > 1) { - u32 sds; spin_lock_irqsave(&nesadapter->phy_lock, flags); - sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); - sds |= 0x00000040; - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); + nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, 0x0000F0C8); mh_detected++; reset_value = nes_read32(nesdev->regs+NES_SOFTWARE_RESET); reset_value |= 0x0000003d; @@ -579,7 +576,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { if (++ext_cnt > int_cnt) { spin_lock_irqsave(&nesadapter->phy_lock, flags); nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, - 0x0000F0C8); + 0x0000F088); mh_detected++; reset_value = nes_read32(nesdev->regs+NES_SOFTWARE_RESET); reset_value |= 0x0000003d; From 366835e24977f4590ef353bdc70f0dda278c2a84 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:28:41 -0700 Subject: [PATCH 206/478] RDMA/nes: Correct CDR loop filter setting for port 1 In commit 1b949324 ("RDMA/nes: Fix SFP+ PHY initialization") there is a mistake in the clean up code that removed port 1 CDR loop filter settings for 10G cards other than CX4. Put the correct setting back for appropriate PHY types. Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_hw.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 7e20a7fd3c3c..b5d9c4bae452 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -761,6 +761,9 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, return 0; /* init serdes 1 */ + if (!(OneG_Mode && (nesadapter->phy_type[1] != NES_PHY_TYPE_PUMA_1G))) + nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF); + switch (nesadapter->phy_type[1]) { case NES_PHY_TYPE_ARGUS: case NES_PHY_TYPE_SFP_D: @@ -768,21 +771,20 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP1, 0x00000000); break; case NES_PHY_TYPE_CX4: - sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); - sds &= 0xFFFFFFBF; - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); if (wide_ppm_offset) nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000FFFAA); - else - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF); break; case NES_PHY_TYPE_PUMA_1G: sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); sds |= 0x000000100; nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); } - if (!OneG_Mode) + if (!OneG_Mode) { nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE1, 0x11110000); + sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); + sds &= 0xFFFFFFBF; + nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); + } } else { /* init serdes 0 */ nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, 0x00000008); From e998c25bc29f2b409b39fa63dad3df499982a887 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:29:42 -0700 Subject: [PATCH 207/478] RDMA/nes: Enable repause timer for port 1 Enable repause timer for port 1. Without this setting, under stress, the chip may misbehave. Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_hw.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index b5d9c4bae452..2aa021655e33 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -912,6 +912,12 @@ static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_cou u32temp &= 0x7fffffff; u32temp |= 0x7fff0010; nes_write_indexed(nesdev, 0x000021f8, u32temp); + if (port_count > 1) { + u32temp = nes_read_indexed(nesdev, 0x000023f8); + u32temp &= 0x7fffffff; + u32temp |= 0x7fff0010; + nes_write_indexed(nesdev, 0x000023f8, u32temp); + } } } From 923223776b53013443d062a87e0a3d57d6513f04 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:30:35 -0700 Subject: [PATCH 208/478] RDMA/nes: Set trace length to 1 inch for SFP_D With updated PHY firmware for SFP_D, setting the trace length to 1 inch for SFP_D provides a more stable link. Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_hw.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 2aa021655e33..b832a7b814a2 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -1371,13 +1371,14 @@ int nes_init_phy(struct nes_device *nesdev) if (phy_type == NES_PHY_TYPE_ARGUS) { nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C); nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0008); + nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001); } else { nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x0004); nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0038); + nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0013); } nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0098); nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00); - nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001); /* setup LEDs */ nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd006, 0x0007); From 0e4562da9e533188108d00022cf3650cb9e29aae Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:33:48 -0700 Subject: [PATCH 209/478] RDMA/nes: Fix fw_ver in /sys /sys/class/infiniband/nes?/fw_ver is not displaying firmware version properly (it shows 0.0.0 with the current code). Fill in the correct firmware version number. Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 8b460c2ce892..64d5cfd8f380 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -2808,10 +2808,9 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, struct nes_vnic *nesvnic = nesibdev->nesvnic; nes_debug(NES_DBG_INIT, "\n"); - return sprintf(buf, "%x.%x.%x\n", - (int)(nesvnic->nesdev->nesadapter->fw_ver >> 32), - (int)(nesvnic->nesdev->nesadapter->fw_ver >> 16) & 0xffff, - (int)(nesvnic->nesdev->nesadapter->fw_ver & 0xffff)); + return sprintf(buf, "%u.%u\n", + (nesvnic->nesdev->nesadapter->firmware_version >> 16), + (nesvnic->nesdev->nesadapter->firmware_version & 0x000000ff)); } From 1f0dba1e51cfc93bf4545811839a84c879086fd4 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:36:03 -0700 Subject: [PATCH 210/478] RDMA/nes: Fix unused variable compile warning when INFINIBAND_NES_DEBUG=n Remove the NES_DEBUG that is causing the compile warning about an unused variable when INFINIBAND_NES_DEBUG is not enabled. Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index dbd9a75474e3..7da5437d9859 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -854,7 +854,6 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core, { unsigned long flags; struct nes_cm_listener *listen_node; - __be32 tmp_addr = cpu_to_be32(dst_addr); /* walk list and find cm_node associated with this session ID */ spin_lock_irqsave(&cm_core->listen_list_lock, flags); @@ -871,9 +870,6 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core, } spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); - nes_debug(NES_DBG_CM, "Unable to find listener for %pI4:%x\n", - &tmp_addr, dst_port); - /* no listener */ return NULL; } From 53094c388f11d79f742eaf743c9fd740a881f2c0 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 27 Apr 2009 13:37:34 -0700 Subject: [PATCH 211/478] RDMA/nes: Do not set apbvt entry for loopback When a connect request comes, apbvt should only be set for non-loopback connections. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 7da5437d9859..1efe0beca063 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -2955,6 +2955,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct nes_device *nesdev; struct nes_cm_node *cm_node; struct nes_cm_info cm_info; + int apbvt_set = 0; ibqp = nes_get_qp(cm_id->device, conn_param->qpn); if (!ibqp) @@ -2992,9 +2993,11 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) conn_param->private_data_len); if (cm_id->local_addr.sin_addr.s_addr != - cm_id->remote_addr.sin_addr.s_addr) + cm_id->remote_addr.sin_addr.s_addr) { nes_manage_apbvt(nesvnic, ntohs(cm_id->local_addr.sin_port), PCI_FUNC(nesdev->pcidev->devfn), NES_MANAGE_APBVT_ADD); + apbvt_set = 1; + } /* set up the connection params for the node */ cm_info.loc_addr = htonl(cm_id->local_addr.sin_addr.s_addr); @@ -3011,8 +3014,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) conn_param->private_data_len, (void *)conn_param->private_data, &cm_info); if (!cm_node) { - if (cm_id->local_addr.sin_addr.s_addr != - cm_id->remote_addr.sin_addr.s_addr) + if (apbvt_set) nes_manage_apbvt(nesvnic, ntohs(cm_id->local_addr.sin_port), PCI_FUNC(nesdev->pcidev->devfn), NES_MANAGE_APBVT_DEL); @@ -3021,7 +3023,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) return -ENOMEM; } - cm_node->apbvt_set = 1; + cm_node->apbvt_set = apbvt_set; nesqp->cm_node = cm_node; cm_node->nesqp = nesqp; nes_add_ref(&nesqp->ibqp); From c11470f9f4d4490cd7e9563f604c4c7868caf6de Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 27 Apr 2009 13:38:31 -0700 Subject: [PATCH 212/478] RDMA/nes: Check for sequence number wrap-around check_seq() was not checking if the seq#s have wrapped. Fix it. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 1efe0beca063..1f7a659e6e9a 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -56,6 +56,7 @@ #include #include #include +#include #include "nes.h" @@ -1514,7 +1515,7 @@ static int check_seq(struct nes_cm_node *cm_node, struct tcphdr *tcph, rcv_wnd = cm_node->tcp_cntxt.rcv_wnd; if (ack_seq != loc_seq_num) err = 1; - else if ((seq + rcv_wnd) < rcv_nxt) + else if (!between(seq, rcv_nxt, (rcv_nxt+rcv_wnd))) err = 1; if (err) { nes_debug(NES_DBG_CM, "%s[%u] create abort for cm_node=%p " From 4e9c390036196f89208cf9574dfd19daae146776 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 27 Apr 2009 13:39:36 -0700 Subject: [PATCH 213/478] RDMA/nes: Increase rexmit timeout interval Under heavy load with large cluster testing, it may take longer to receive a response to MPA requests. Change the driver to wait longer after each rexmit to max time value. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 6 +++++- drivers/infiniband/hw/nes/nes_cm.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 1f7a659e6e9a..4969c386785e 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -541,6 +541,7 @@ static void nes_cm_timer_tick(unsigned long pass) struct list_head *list_node; struct nes_cm_core *cm_core = g_cm_core; u32 settimer = 0; + unsigned long timetosend; int ret = NETDEV_TX_OK; struct list_head timer_list; @@ -645,8 +646,11 @@ static void nes_cm_timer_tick(unsigned long pass) send_entry->retrycount); if (send_entry->send_retrans) { send_entry->retranscount--; + timetosend = (NES_RETRY_TIMEOUT << + (NES_DEFAULT_RETRANS - send_entry->retranscount)); + send_entry->timetosend = jiffies + - NES_RETRY_TIMEOUT; + min(timetosend, NES_MAX_TIMEOUT); if (nexttimeout > send_entry->timetosend || !settimer) { nexttimeout = send_entry->timetosend; diff --git a/drivers/infiniband/hw/nes/nes_cm.h b/drivers/infiniband/hw/nes/nes_cm.h index 80bba1892571..8b7e7c0e496e 100644 --- a/drivers/infiniband/hw/nes/nes_cm.h +++ b/drivers/infiniband/hw/nes/nes_cm.h @@ -149,6 +149,7 @@ struct nes_timer_entry { #endif #define NES_SHORT_TIME (10) #define NES_LONG_TIME (2000*HZ/1000) +#define NES_MAX_TIMEOUT ((unsigned long) (12*HZ)) #define NES_CM_HASHTABLE_SIZE 1024 #define NES_CM_TCP_TIMER_INTERVAL 3000 From 109d67e4f12b828113ca8ccf4a735972dd984f40 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 27 Apr 2009 13:41:06 -0700 Subject: [PATCH 214/478] RDMA/nes: Fix hang issues for large cluster dynamic connections Running large cluster setup, we are hanging after many hours of testing. Fixing this required going over the code and making sure the rexmit entry was properly removed based on the cm_node's state and packet received. Also when receiving a FIN packet, check seq# and make sure there were no errors before calling handle_fin(). Following are the changes done in nes_cm.c: * handle_ack_pkt() needs to return error value, so in case of error, handle_fin() is not called. Some cleanup done while going over the code. * handle_rst_pkt(), handling of cm_node's NES_CM_STATE_LAST_ACK is missing. * process_packet(), in case of FIN only packet is received, call check_seq() before processing. * in handle_fin_pkt(), we are calling cleanup_retrans_entry() for all conditions, even if the packets need to be dropped. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 56 +++++++++++++----------------- 1 file changed, 25 insertions(+), 31 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 4969c386785e..2c90b38daef1 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1326,18 +1326,20 @@ static void handle_fin_pkt(struct nes_cm_node *cm_node) nes_debug(NES_DBG_CM, "Received FIN, cm_node = %p, state = %u. " "refcnt=%d\n", cm_node, cm_node->state, atomic_read(&cm_node->ref_count)); - cm_node->tcp_cntxt.rcv_nxt++; - cleanup_retrans_entry(cm_node); switch (cm_node->state) { case NES_CM_STATE_SYN_RCVD: case NES_CM_STATE_SYN_SENT: case NES_CM_STATE_ESTABLISHED: case NES_CM_STATE_MPAREQ_SENT: case NES_CM_STATE_MPAREJ_RCVD: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_LAST_ACK; send_fin(cm_node, NULL); break; case NES_CM_STATE_FIN_WAIT1: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSING; send_ack(cm_node, NULL); /* Wait for ACK as this is simultanous close.. @@ -1345,11 +1347,15 @@ static void handle_fin_pkt(struct nes_cm_node *cm_node) * Just rm the node.. Done.. */ break; case NES_CM_STATE_FIN_WAIT2: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_TIME_WAIT; send_ack(cm_node, NULL); schedule_nes_timer(cm_node, NULL, NES_TIMER_TYPE_CLOSE, 1, 0); break; case NES_CM_STATE_TIME_WAIT: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; rem_ref_cm_node(cm_node->cm_core, cm_node); break; @@ -1385,7 +1391,6 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, passive_state = atomic_add_return(1, &cm_node->passive_state); if (passive_state == NES_SEND_RESET_EVENT) create_event(cm_node, NES_CM_EVENT_RESET); - cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; dev_kfree_skb_any(skb); break; @@ -1399,17 +1404,16 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, active_open_err(cm_node, skb, reset); break; case NES_CM_STATE_CLOSED: - cleanup_retrans_entry(cm_node); drop_packet(skb); break; + case NES_CM_STATE_LAST_ACK: + cm_node->cm_id->rem_ref(cm_node->cm_id); case NES_CM_STATE_TIME_WAIT: - cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; rem_ref_cm_node(cm_node->cm_core, cm_node); drop_packet(skb); break; case NES_CM_STATE_FIN_WAIT1: - cleanup_retrans_entry(cm_node); nes_debug(NES_DBG_CM, "Bad state %s[%u]\n", __func__, __LINE__); default: drop_packet(skb); @@ -1456,6 +1460,7 @@ static void handle_rcv_mpa(struct nes_cm_node *cm_node, struct sk_buff *skb) NES_PASSIVE_STATE_INDICATED); break; case NES_CM_STATE_MPAREQ_SENT: + cleanup_retrans_entry(cm_node); if (res_type == NES_MPA_REQUEST_REJECT) { type = NES_CM_EVENT_MPA_REJECT; cm_node->state = NES_CM_STATE_MPAREJ_RCVD; @@ -1653,49 +1658,39 @@ static void handle_synack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, } } -static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, +static int handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, struct tcphdr *tcph) { int datasize = 0; u32 inc_sequence; u32 rem_seq_ack; u32 rem_seq; - int ret; + int ret = 0; int optionsize; optionsize = (tcph->doff << 2) - sizeof(struct tcphdr); if (check_seq(cm_node, tcph, skb)) - return; + return -EINVAL; skb_pull(skb, tcph->doff << 2); inc_sequence = ntohl(tcph->seq); rem_seq = ntohl(tcph->seq); rem_seq_ack = ntohl(tcph->ack_seq); datasize = skb->len; - cleanup_retrans_entry(cm_node); switch (cm_node->state) { case NES_CM_STATE_SYN_RCVD: /* Passive OPEN */ + cleanup_retrans_entry(cm_node); ret = handle_tcp_options(cm_node, tcph, skb, optionsize, 1); if (ret) break; cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq); - if (cm_node->tcp_cntxt.rem_ack_num != - cm_node->tcp_cntxt.loc_seq_num) { - nes_debug(NES_DBG_CM, "rem_ack_num != loc_seq_num\n"); - cleanup_retrans_entry(cm_node); - send_reset(cm_node, skb); - return; - } cm_node->state = NES_CM_STATE_ESTABLISHED; - cleanup_retrans_entry(cm_node); if (datasize) { cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize; handle_rcv_mpa(cm_node, skb); - } else { /* rcvd ACK only */ + } else /* rcvd ACK only */ dev_kfree_skb_any(skb); - cleanup_retrans_entry(cm_node); - } break; case NES_CM_STATE_ESTABLISHED: /* Passive OPEN */ @@ -1707,15 +1702,12 @@ static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, drop_packet(skb); break; case NES_CM_STATE_MPAREQ_SENT: - cleanup_retrans_entry(cm_node); cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq); if (datasize) { cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize; handle_rcv_mpa(cm_node, skb); - } else { /* Could be just an ack pkt.. */ - cleanup_retrans_entry(cm_node); + } else /* Could be just an ack pkt.. */ dev_kfree_skb_any(skb); - } break; case NES_CM_STATE_LISTENING: case NES_CM_STATE_CLOSED: @@ -1723,11 +1715,10 @@ static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, send_reset(cm_node, skb); break; case NES_CM_STATE_LAST_ACK: + case NES_CM_STATE_CLOSING: cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; cm_node->cm_id->rem_ref(cm_node->cm_id); - case NES_CM_STATE_CLOSING: - cleanup_retrans_entry(cm_node); rem_ref_cm_node(cm_node->cm_core, cm_node); drop_packet(skb); break; @@ -1742,9 +1733,11 @@ static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, case NES_CM_STATE_MPAREQ_RCVD: case NES_CM_STATE_UNKNOWN: default: + cleanup_retrans_entry(cm_node); drop_packet(skb); break; } + return ret; } @@ -1850,6 +1843,7 @@ static void process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb, enum nes_tcpip_pkt_type pkt_type = NES_PKT_TYPE_UNKNOWN; struct tcphdr *tcph = tcp_hdr(skb); u32 fin_set = 0; + int ret = 0; skb_pull(skb, ip_hdr(skb)->ihl << 2); nes_debug(NES_DBG_CM, "process_packet: cm_node=%p state =%d syn=%d " @@ -1875,17 +1869,17 @@ static void process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb, handle_synack_pkt(cm_node, skb, tcph); break; case NES_PKT_TYPE_ACK: - handle_ack_pkt(cm_node, skb, tcph); - if (fin_set) + ret = handle_ack_pkt(cm_node, skb, tcph); + if (fin_set && !ret) handle_fin_pkt(cm_node); break; case NES_PKT_TYPE_RST: handle_rst_pkt(cm_node, skb, tcph); break; default: - drop_packet(skb); - if (fin_set) + if ((fin_set) && (!check_seq(cm_node, tcph, skb))) handle_fin_pkt(cm_node); + drop_packet(skb); break; } } From 9256b2513074164b4555617c4a3b82d36abf03e5 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 27 Apr 2009 13:45:19 -0700 Subject: [PATCH 215/478] RDMA/nes: Fix error path in nes_accept() If reg_phys_mem() fails, we need to free memory allocated for MPA frame with private data before returning the error. Also move nes_add_ref() after the reg_phys_mem() is successful. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 2c90b38daef1..11c7d6642014 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -2705,7 +2705,6 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) /* associate the node with the QP */ nesqp->cm_node = (void *)cm_node; cm_node->nesqp = nesqp; - nes_add_ref(&nesqp->ibqp); nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n", nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener); @@ -2758,6 +2757,9 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) nes_debug(NES_DBG_CM, "Unable to register memory region" "for lSMM for cm_node = %p \n", cm_node); + pci_free_consistent(nesdev->pcidev, + nesqp->private_data_len+sizeof(struct ietf_mpa_frame), + nesqp->ietf_frame, nesqp->ietf_frame_pbase); return -ENOMEM; } @@ -2874,6 +2876,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) /* notify OF layer that accept event was successful */ cm_id->add_ref(cm_id); + nes_add_ref(&nesqp->ibqp); cm_event.event = IW_CM_EVENT_ESTABLISHED; cm_event.status = IW_CM_EVENT_STATUS_ACCEPTED; From 26cc5e57bbe770916bc67af169477fdd3ea1be4c Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Mon, 27 Apr 2009 13:46:29 -0700 Subject: [PATCH 216/478] RDMA/nes: Update iw_nes version Update version number to 1.5.0.0 Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index 17621de54a9f..bf1720f7f35f 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -56,10 +56,8 @@ #define QUEUE_DISCONNECTS -#define DRV_BUILD "1" - #define DRV_NAME "iw_nes" -#define DRV_VERSION "1.0 KO Build " DRV_BUILD +#define DRV_VERSION "1.5.0.0" #define PFX DRV_NAME ": " /* From b2ad5e1e709e404dd637097411f1853d37926a6a Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Tue, 28 Apr 2009 00:37:53 +0100 Subject: [PATCH 217/478] FRV: Remove unused header asm/init.h. It seems nothing has included the frv asm/init.h header for some time, and its actual contents are out of date with include/linux/init.h. So just delete it. Signed-off-by: Tim Abbott Signed-off-by: David Howells Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/frv/include/asm/init.h | 12 ------------ 1 file changed, 12 deletions(-) delete mode 100644 arch/frv/include/asm/init.h diff --git a/arch/frv/include/asm/init.h b/arch/frv/include/asm/init.h deleted file mode 100644 index 8b15838de216..000000000000 --- a/arch/frv/include/asm/init.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_INIT_H -#define _ASM_INIT_H - -#define __init __attribute__ ((__section__ (".text.init"))) -#define __initdata __attribute__ ((__section__ (".data.init"))) -/* For assembly routines */ -#define __INIT .section ".text.init",#alloc,#execinstr -#define __FINIT .previous -#define __INITDATA .section ".data.init",#alloc,#write - -#endif - From df1f6d200c1e20788184251c49f349b38d90889c Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Tue, 28 Apr 2009 00:37:58 +0100 Subject: [PATCH 218/478] FRV: Use __INIT macro instead of .text.init. FRV is placing some code in the .text.init section but does not reference that section in its linker scripts. This change moves this code from the .text.init section to the .init.text section, which is presumably where it belongs. Signed-off-by: Tim Abbott Signed-off-by: David Howells Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/frv/kernel/head-mmu-fr451.S | 3 ++- arch/frv/kernel/head-uc-fr401.S | 3 ++- arch/frv/kernel/head-uc-fr451.S | 3 ++- arch/frv/kernel/head-uc-fr555.S | 3 ++- 4 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/frv/kernel/head-mmu-fr451.S b/arch/frv/kernel/head-mmu-fr451.S index c8f210d84ff5..98f87d586e59 100644 --- a/arch/frv/kernel/head-mmu-fr451.S +++ b/arch/frv/kernel/head-mmu-fr451.S @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ +#include #include #include #include @@ -31,7 +32,7 @@ #define __400_LCR 0xfe000100 #define __400_LSBR 0xfe000c00 - .section .text.init,"ax" + __INIT .balign 4 ############################################################################### diff --git a/arch/frv/kernel/head-uc-fr401.S b/arch/frv/kernel/head-uc-fr401.S index ee282be20fff..438643cfa38e 100644 --- a/arch/frv/kernel/head-uc-fr401.S +++ b/arch/frv/kernel/head-uc-fr401.S @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ +#include #include #include #include @@ -30,7 +31,7 @@ #define __400_LCR 0xfe000100 #define __400_LSBR 0xfe000c00 - .section .text.init,"ax" + __INIT .balign 4 ############################################################################### diff --git a/arch/frv/kernel/head-uc-fr451.S b/arch/frv/kernel/head-uc-fr451.S index b10d9c8295d2..b2a76c4a1786 100644 --- a/arch/frv/kernel/head-uc-fr451.S +++ b/arch/frv/kernel/head-uc-fr451.S @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ +#include #include #include #include @@ -30,7 +31,7 @@ #define __400_LCR 0xfe000100 #define __400_LSBR 0xfe000c00 - .section .text.init,"ax" + __INIT .balign 4 ############################################################################### diff --git a/arch/frv/kernel/head-uc-fr555.S b/arch/frv/kernel/head-uc-fr555.S index 39937c19b460..5497aaf34f77 100644 --- a/arch/frv/kernel/head-uc-fr555.S +++ b/arch/frv/kernel/head-uc-fr555.S @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ +#include #include #include #include @@ -29,7 +30,7 @@ #define __551_LCR 0xfeff1100 #define __551_LSBR 0xfeff1c00 - .section .text.init,"ax" + __INIT .balign 4 ############################################################################### From 991da17ec0b9f396154c8120ffd10e5d7d7aa361 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 27 Apr 2009 14:02:22 -0400 Subject: [PATCH 219/478] arm: Use __INIT macro instead of .text.init. arm is placing some code in the .text.init section, but it does not reference that section in its linker scripts. This change moves this code from the .text.init section to the .init.text section, which is presumably where it belongs. Signed-off-by: Tim Abbott Acked-by: Russell King Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/arm/mm/proc-v6.S | 3 ++- arch/arm/mm/proc-v7.S | 3 ++- arch/arm/mm/tlb-v6.S | 3 ++- arch/arm/mm/tlb-v7.S | 3 ++- 4 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index f0cc599facb7..087e239704df 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -10,6 +10,7 @@ * * This is the "shell" of the ARMv6 processor support. */ +#include #include #include #include @@ -132,7 +133,7 @@ cpu_v6_name: .asciz "ARMv6-compatible processor" .align - .section ".text.init", #alloc, #execinstr + __INIT /* * __v6_setup diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index d1ebec42521d..c221e26ac1d3 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -9,6 +9,7 @@ * * This is the "shell" of the ARMv7 processor support. */ +#include #include #include #include @@ -153,7 +154,7 @@ cpu_v7_name: .ascii "ARMv7 Processor" .align - .section ".text.init", #alloc, #execinstr + __INIT /* * __v7_setup diff --git a/arch/arm/mm/tlb-v6.S b/arch/arm/mm/tlb-v6.S index 20f84bbaa9bb..73d7d89b04c4 100644 --- a/arch/arm/mm/tlb-v6.S +++ b/arch/arm/mm/tlb-v6.S @@ -10,6 +10,7 @@ * ARM architecture version 6 TLB handling functions. * These assume a split I/D TLB. */ +#include #include #include #include @@ -87,7 +88,7 @@ ENTRY(v6wbi_flush_kern_tlb_range) mcr p15, 0, r2, c7, c5, 4 @ prefetch flush mov pc, lr - .section ".text.init", #alloc, #execinstr + __INIT .type v6wbi_tlb_fns, #object ENTRY(v6wbi_tlb_fns) diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S index 24ba5109f2e7..b637e7380ab7 100644 --- a/arch/arm/mm/tlb-v7.S +++ b/arch/arm/mm/tlb-v7.S @@ -11,6 +11,7 @@ * ARM architecture version 6 TLB handling functions. * These assume a split I/D TLB. */ +#include #include #include #include @@ -80,7 +81,7 @@ ENTRY(v7wbi_flush_kern_tlb_range) mov pc, lr ENDPROC(v7wbi_flush_kern_tlb_range) - .section ".text.init", #alloc, #execinstr + __INIT .type v7wbi_tlb_fns, #object ENTRY(v7wbi_tlb_fns) From edada399e81303e85a1090b3cf0f3c5b13ff5f53 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 27 Apr 2009 14:02:23 -0400 Subject: [PATCH 220/478] powerpc: Use TEXT_TEXT macro in linker script. Rather than adding .ref.text to the powerpc linker script so that we can use __REF on the powerpc architecture, it seems simpler to switch to using the generic TEXT_TEXT macro. Signed-off-by: Tim Abbott Cc: Benjamin Herrenschmidt Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/powerpc/kernel/vmlinux.lds.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index d7425fffbc1c..433ae118406d 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -54,7 +54,8 @@ SECTIONS ALIGN_FUNCTION(); HEAD_TEXT _text = .; - *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*) + TEXT_TEXT + *(.fixup __ftr_alt_*) SCHED_TEXT LOCK_TEXT KPROBES_TEXT From 9203fc9c1266ed21c327f679ad05e53509dfbee1 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 27 Apr 2009 14:02:24 -0400 Subject: [PATCH 221/478] powerpc: Use __REF macro instead of old .text.init.refok. The section .text.init.refok is deprecated and __REF (.ref.text) should be used in assembly files instead. This patch cleans up a few uses of .text.init.refok in the powerpc architecture. Signed-off-by: Tim Abbott Cc: Benjamin Herrenschmidt Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/powerpc/include/asm/ppc_asm.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index f59a66684aed..384d90c9c272 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -4,6 +4,7 @@ #ifndef _ASM_POWERPC_PPC_ASM_H #define _ASM_POWERPC_PPC_ASM_H +#include #include #include #include @@ -189,7 +190,7 @@ name: \ GLUE(.,name): #define _INIT_GLOBAL(name) \ - .section ".text.init.refok"; \ + __REF; \ .align 2 ; \ .globl name; \ .globl GLUE(.,name); \ @@ -229,7 +230,7 @@ name: \ GLUE(.,name): #define _INIT_STATIC(name) \ - .section ".text.init.refok"; \ + __REF; \ .align 2 ; \ .section ".opd","aw"; \ name: \ From 882016ff3659126f6da50cf7cb84a0a15d00a87b Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 27 Apr 2009 14:02:25 -0400 Subject: [PATCH 222/478] sh: Use __INIT macro instead of .text.init. The sh architecture has some code in the .text.init section, but it does not reference that section in its linker scripts. This change moves this code from the .text.init section to the .init.text section, which is presumably where it belongs. Signed-off-by: Tim Abbott Acked-by: Sam Ravnborg Acked-by: Paul Mundt Signed-off-by: Linus Torvalds --- arch/sh/kernel/cpu/sh5/entry.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index e640c63d5811..7e49cb812f8b 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -10,6 +10,7 @@ * for more details. */ #include +#include #include #include #include @@ -2058,10 +2059,10 @@ asm_uaccess_end: /* - * --- .text.init Section + * --- .init.text Section */ - .section .text.init, "ax" + __INIT /* * void trap_init (void) From a0871e8cb8c3f5ee2ecc560ae73a35cd420440f9 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 27 Apr 2009 14:02:26 -0400 Subject: [PATCH 223/478] sparc: cleanup references to deprecated .text.init* sections. The section .text.init.refok is deprecated and __REF (.ref.text) should be used in assembly files instead. This patch cleans up a few uses of .text.init.refok in the sparc architecture. Also fix a reference to .text.init in a comment that wasn't updated to .init.text. Signed-off-by: Tim Abbott Cc: David S. Miller Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/sparc/kernel/head_32.S | 2 +- arch/sparc/kernel/head_64.S | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index e91f01a57598..6b4d8acc4c83 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -735,7 +735,7 @@ go_to_highmem: nop /* The code above should be at beginning and we have to take care about - * short jumps, as branching to .text.init section from .text is usually + * short jumps, as branching to .init.text section from .text is usually * impossible */ __INIT /* Acquire boot time privileged register values, this will help debugging. diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 3a1b7bf03cff..91bf4c7f79b9 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -467,7 +467,7 @@ jump_to_sun4u_init: jmpl %g2 + %g0, %g0 nop - .section .text.init.refok + __REF sun4u_init: BRANCH_IF_SUN4V(g1, sun4v_init) From 27b1833279995e7c290a40cac4ef36ccea7e9283 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 27 Apr 2009 14:02:27 -0400 Subject: [PATCH 224/478] Remove unused support code for refok sections. The old refok sections .text.init.refok .data.init.refok .exit.text.refok have been deprecated since commit 312b1485fb509c9bc32eda28ad29537896658cb8. After the other patches in this patch series nothing is put in these sections, so clean things up by eliminating all the remaining references to them. Signed-off-by: Tim Abbott Acked-by: Sam Ravnborg Signed-off-by: Linus Torvalds --- include/asm-generic/vmlinux.lds.h | 3 --- include/linux/init.h | 8 -------- scripts/mod/modpost.c | 18 ------------------ 3 files changed, 29 deletions(-) diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index eaa06ef6f7d9..89853bcd27a6 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -90,7 +90,6 @@ /* .data section */ #define DATA_DATA \ *(.data) \ - *(.data.init.refok) \ *(.ref.data) \ DEV_KEEP(init.data) \ DEV_KEEP(exit.data) \ @@ -289,8 +288,6 @@ *(.text.hot) \ *(.text) \ *(.ref.text) \ - *(.text.init.refok) \ - *(.exit.text.refok) \ DEV_KEEP(init.text) \ DEV_KEEP(exit.text) \ CPU_KEEP(init.text) \ diff --git a/include/linux/init.h b/include/linux/init.h index 20a1334e34e9..0e06c176f185 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -62,14 +62,6 @@ #define __refdata __section(.ref.data) #define __refconst __section(.ref.rodata) -/* backward compatibility note - * A few places hardcode the old section names: - * .text.init.refok - * .data.init.refok - * .exit.text.refok - * They should be converted to use the defines from this file - */ - /* compatibility defines */ #define __init_refok __ref #define __initdata_refok __refdata diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index df6e6286a065..8d46ea7d6715 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -794,15 +794,6 @@ static const char *init_exit_sections[] = /* data section */ static const char *data_sections[] = { DATA_SECTIONS, NULL }; -/* sections that may refer to an init/exit section with no warning */ -static const char *initref_sections[] = -{ - ".text.init.refok*", - ".exit.text.refok*", - ".data.init.refok*", - NULL -}; - /* symbols in .data that may refer to init/exit sections */ static const char *symbol_white_list[] = @@ -915,11 +906,6 @@ static int section_mismatch(const char *fromsec, const char *tosec) /** * Whitelist to allow certain references to pass with no warning. * - * Pattern 0: - * Do not warn if funtion/data are marked with __init_refok/__initdata_refok. - * The pattern is identified by: - * fromsec = .text.init.refok* | .data.init.refok* - * * Pattern 1: * If a module parameter is declared __initdata and permissions=0 * then this is legal despite the warning generated. @@ -958,10 +944,6 @@ static int section_mismatch(const char *fromsec, const char *tosec) static int secref_whitelist(const char *fromsec, const char *fromsym, const char *tosec, const char *tosym) { - /* Check for pattern 0 */ - if (match(fromsec, initref_sections)) - return 0; - /* Check for pattern 1 */ if (match(tosec, init_data_sections) && match(fromsec, data_sections) && From 2e8aead1b57ede7979bd4e24797c77e181775d9c Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Fri, 17 Apr 2009 08:03:01 +0000 Subject: [PATCH 225/478] powerpc: ppc32 needs elf_read_implies_exec() On ppc64 we implemented elf_read_implies_exec() for 32-bit binaries because old toolchains had bugs where they didn't mark program segments executable that needed to be. For some reason we didn't do this on ppc32 builds. This hadn't been an issue until commit 8d30c14c ("powerpc/mm: Rework I$/D$ coherency (v3)"), which had as a side effect that we are now enforcing execute permissions to some extent on 32-bit 4xx and Book E processors. This fixes it by defining elf_read_implies_exec on 32-bit to turn on the read-implies-exec behaviour on programs that are sufficiently old that they don't have a PT_GNU_STACK program header. Signed-off-by: Kumar Gala Signed-off-by: Paul Mackerras --- arch/powerpc/include/asm/elf.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index 087c22f1d368..d6b4a12cdeff 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -260,6 +260,7 @@ do { \ #else # define SET_PERSONALITY(ex) \ set_personality(PER_LINUX | (current->personality & (~PER_MASK))) +# define elf_read_implies_exec(ex, exec_stk) (exec_stk != EXSTACK_DISABLE_X) #endif /* __powerpc64__ */ extern int dcache_bsize; From ff61e5ccc35b7159a50741fc4b992817785acd5c Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Wed, 22 Apr 2009 22:43:03 +0000 Subject: [PATCH 226/478] powerpc/cell: Select PCI for IBM_CELL_BLADE AND CELLEB Currently PPC_CELL_NATIVE selects PPC_OF_PLATFORM_PCI, but does not select PCI. This can lead to a config with the former and the latter disabled, which does not build. To fix this PPC_CELL_NATIVE should select PCI. However, that would force PCI on for QPACE, which also selects PPC_CELL_NATIVE. So instead move the select of PPC_OF_PLATFORM_PCI and PCI under both IBM_CELL_BLADE and CELLEB. Signed-off-by: Michael Ellerman Acked-by: Arnd Bergmann Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/Kconfig | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 40e24c39ad06..50f17bdd3c16 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -13,7 +13,6 @@ config PPC_CELL_COMMON config PPC_CELL_NATIVE bool select PPC_CELL_COMMON - select PPC_OF_PLATFORM_PCI select MPIC select IBM_NEW_EMAC_EMAC4 select IBM_NEW_EMAC_RGMII @@ -25,6 +24,8 @@ config PPC_IBM_CELL_BLADE bool "IBM Cell Blade" depends on PPC64 && PPC_BOOK3S select PPC_CELL_NATIVE + select PPC_OF_PLATFORM_PCI + select PCI select MMIO_NVRAM select PPC_UDBG_16550 select UDBG_RTAS_CONSOLE @@ -33,6 +34,8 @@ config PPC_CELLEB bool "Toshiba's Cell Reference Set 'Celleb' Architecture" depends on PPC64 && PPC_BOOK3S select PPC_CELL_NATIVE + select PPC_OF_PLATFORM_PCI + select PCI select HAS_TXX9_SERIAL select PPC_UDBG_BEAT select USB_OHCI_BIG_ENDIAN_MMIO From d8f48457d5af6601abdecaad7a95c45bfeef90d5 Mon Sep 17 00:00:00 2001 From: Geoff Levand Date: Thu, 16 Apr 2009 09:05:37 +0000 Subject: [PATCH 227/478] powerpc/ps3: Fix build error on UP A non-SMP version of smp_send_stop() is now included in smp.h. Remove the unneeded definition in the PS3 smp.c. Fixes build errors like these when CONFIG_SMP=n: arch/powerpc/platforms/ps3/setup.c:49: error: redefinition of 'smp_send_stop' include/linux/smp.h:125: error: previous definition of 'smp_send_stop' was here Reported-by: Subrata Modak Signed-off-by: Geoff Levand Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/ps3/setup.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 66181821322a..1a7b5ae0c83e 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -45,10 +45,6 @@ DEFINE_MUTEX(ps3_gpu_mutex); EXPORT_SYMBOL_GPL(ps3_gpu_mutex); -#if !defined(CONFIG_SMP) -static void smp_send_stop(void) {} -#endif - static union ps3_firmware_version ps3_firmware_version; void ps3_get_firmware_version(union ps3_firmware_version *v) From 3f68165e234233255a789c827c5d3d6fa965ddce Mon Sep 17 00:00:00 2001 From: Giuliano Pochini Date: Mon, 27 Apr 2009 23:23:29 +0200 Subject: [PATCH 228/478] ALSA: indigo-express: add missing 64KHz flags Indigo-express cards also support 64KHz sampling rate: this patch adds missing SNDRV_PCM_RATE_64000 flags. Signed-off-by: Giuliano Pochini Signed-off-by: Takashi Iwai --- sound/pci/echoaudio/indigodjx.c | 1 + sound/pci/echoaudio/indigoiox.c | 1 + 2 files changed, 2 insertions(+) diff --git a/sound/pci/echoaudio/indigodjx.c b/sound/pci/echoaudio/indigodjx.c index 3482ef69f491..2e44316530a2 100644 --- a/sound/pci/echoaudio/indigodjx.c +++ b/sound/pci/echoaudio/indigodjx.c @@ -88,6 +88,7 @@ static struct snd_pcm_hardware pcm_hardware_skel = { .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000, .rate_min = 32000, diff --git a/sound/pci/echoaudio/indigoiox.c b/sound/pci/echoaudio/indigoiox.c index aebee27a40ff..eb3819f9654a 100644 --- a/sound/pci/echoaudio/indigoiox.c +++ b/sound/pci/echoaudio/indigoiox.c @@ -89,6 +89,7 @@ static struct snd_pcm_hardware pcm_hardware_skel = { .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000, .rate_min = 32000, From bf368e4e70cd4e0f880923c44e95a4273d725ab4 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 28 Apr 2009 02:24:21 -0700 Subject: [PATCH 229/478] net: Avoid extra wakeups of threads blocked in wait_for_packet() In 2.6.25 we added UDP mem accounting. This unfortunatly added a penalty when a frame is transmitted, since we have at TX completion time to call sock_wfree() to perform necessary memory accounting. This calls sock_def_write_space() and utimately scheduler if any thread is waiting on the socket. Thread(s) waiting for an incoming frame was scheduled, then had to sleep again as event was meaningless. (All threads waiting on a socket are using same sk_sleep anchor) This adds lot of extra wakeups and increases latencies, as noted by Christoph Lameter, and slows down softirq handler. Reference : http://marc.info/?l=linux-netdev&m=124060437012283&w=2 Fortunatly, Davide Libenzi recently added concept of keyed wakeups into kernel, and particularly for sockets (see commit 37e5540b3c9d838eb20f2ca8ea2eb8072271e403 epoll keyed wakeups: make sockets use keyed wakeups) Davide goal was to optimize epoll, but this new wakeup infrastructure can help non epoll users as well, if they care to setup an appropriate handler. This patch introduces new DEFINE_WAIT_FUNC() helper and uses it in wait_for_packet(), so that only relevant event can wakeup a thread blocked in this function. Trace of function calls from bnx2 TX completion bnx2_poll_work() is : __kfree_skb() skb_release_head_state() sock_wfree() sock_def_write_space() __wake_up_sync_key() __wake_up_common() receiver_wake_function() : Stops here since thread is waiting for an INPUT Reported-by: Christoph Lameter Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/wait.h | 6 ++++-- net/core/datagram.c | 14 +++++++++++++- 2 files changed, 17 insertions(+), 3 deletions(-) diff --git a/include/linux/wait.h b/include/linux/wait.h index 5d631c17eaee..bc024632f365 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -440,13 +440,15 @@ void abort_exclusive_wait(wait_queue_head_t *q, wait_queue_t *wait, int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key); int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key); -#define DEFINE_WAIT(name) \ +#define DEFINE_WAIT_FUNC(name, function) \ wait_queue_t name = { \ .private = current, \ - .func = autoremove_wake_function, \ + .func = function, \ .task_list = LIST_HEAD_INIT((name).task_list), \ } +#define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, autoremove_wake_function) + #define DEFINE_WAIT_BIT(name, word, bit) \ struct wait_bit_queue name = { \ .key = __WAIT_BIT_KEY_INITIALIZER(word, bit), \ diff --git a/net/core/datagram.c b/net/core/datagram.c index d0de644b378d..b01a76abe1d2 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -64,13 +64,25 @@ static inline int connection_based(struct sock *sk) return sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM; } +static int receiver_wake_function(wait_queue_t *wait, unsigned mode, int sync, + void *key) +{ + unsigned long bits = (unsigned long)key; + + /* + * Avoid a wakeup if event not interesting for us + */ + if (bits && !(bits & (POLLIN | POLLERR))) + return 0; + return autoremove_wake_function(wait, mode, sync, key); +} /* * Wait for a packet.. */ static int wait_for_packet(struct sock *sk, int *err, long *timeo_p) { int error; - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, receiver_wake_function); prepare_to_wait_exclusive(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); From 2008f137e92220b98120c4803499cdddb2b0fb06 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 28 Apr 2009 12:25:59 +0200 Subject: [PATCH 230/478] ALSA: Add missing SNDRV_PCM_INFO_BATCH flag to some drivers Added SNDRV_PCM_INFO_BATCH flag to PCM info field of some drivers that really don't give the precise pointer value. Signed-off-by: Takashi Iwai --- sound/isa/msnd/msnd.c | 6 ++++-- sound/pci/bt87x.c | 6 ++++-- sound/pci/korg1212/korg1212.c | 6 ++++-- sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c | 3 ++- sound/soc/au1x/dbdma2.c | 2 +- sound/soc/fsl/mpc5200_psc_i2s.c | 3 ++- sound/soc/sh/dma-sh7760.c | 3 ++- sound/sparc/dbri.c | 3 ++- sound/usb/usx2y/usbusx2yaudio.c | 3 ++- 9 files changed, 23 insertions(+), 12 deletions(-) diff --git a/sound/isa/msnd/msnd.c b/sound/isa/msnd/msnd.c index 906454413ed2..3a1526ae1729 100644 --- a/sound/isa/msnd/msnd.c +++ b/sound/isa/msnd/msnd.c @@ -438,7 +438,8 @@ static void snd_msnd_capture_reset_queue(struct snd_msnd *chip, static struct snd_pcm_hardware snd_msnd_playback = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_MMAP_VALID, + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_8000_48000, .rate_min = 8000, @@ -456,7 +457,8 @@ static struct snd_pcm_hardware snd_msnd_playback = { static struct snd_pcm_hardware snd_msnd_capture = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_MMAP_VALID, + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_8000_48000, .rate_min = 8000, diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c index a299340519df..ce3f2e90f4d7 100644 --- a/sound/pci/bt87x.c +++ b/sound/pci/bt87x.c @@ -349,7 +349,8 @@ static struct snd_pcm_hardware snd_bt87x_digital_hw = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID, + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = 0, /* set at runtime */ .channels_min = 2, @@ -365,7 +366,8 @@ static struct snd_pcm_hardware snd_bt87x_analog_hw = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID, + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, .rates = SNDRV_PCM_RATE_KNOT, .rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX, diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index 8b79969034be..7cc38a11e997 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -1238,7 +1238,8 @@ static struct snd_pcm_hardware snd_korg1212_playback_info = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED), + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BATCH), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000), @@ -1258,7 +1259,8 @@ static struct snd_pcm_hardware snd_korg1212_capture_info = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED), + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BATCH), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000), diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c b/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c index 01066c95580e..d057e6489643 100644 --- a/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c +++ b/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c @@ -240,7 +240,8 @@ static int pdacf_pcm_prepare(struct snd_pcm_substream *subs) static struct snd_pcm_hardware pdacf_pcm_capture_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH), .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, diff --git a/sound/soc/au1x/dbdma2.c b/sound/soc/au1x/dbdma2.c index 30490a259148..594c6c5b7838 100644 --- a/sound/soc/au1x/dbdma2.c +++ b/sound/soc/au1x/dbdma2.c @@ -82,7 +82,7 @@ static struct au1xpsc_audio_dmadata *au1xpsc_audio_pcmdma[2]; /* PCM hardware DMA capabilities - platform specific */ static const struct snd_pcm_hardware au1xpsc_pcm_hardware = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED, + SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BATCH, .formats = AU1XPSC_PCM_FMTS, .period_bytes_min = AU1XPSC_PERIOD_MIN_BYTES, .period_bytes_max = 4096 * 1024 - 1, diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c index 3aa729df27b5..1111c710118a 100644 --- a/sound/soc/fsl/mpc5200_psc_i2s.c +++ b/sound/soc/fsl/mpc5200_psc_i2s.c @@ -504,7 +504,8 @@ static struct snd_soc_dai psc_i2s_dai_template = { static const struct snd_pcm_hardware psc_i2s_pcm_hardware = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER, + SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE, .rate_min = 8000, diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c index 0dad3a0bb920..baddb1242c71 100644 --- a/sound/soc/sh/dma-sh7760.c +++ b/sound/soc/sh/dma-sh7760.c @@ -103,7 +103,8 @@ static struct snd_pcm_hardware camelot_pcm_hardware = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH), .formats = DMABRG_FMTS, .rates = DMABRG_RATES, .rate_min = 8000, diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index af95ff1e126c..1d2e51b3f918 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -1975,7 +1975,8 @@ static struct snd_pcm_hardware snd_dbri_pcm_hw = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID, + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_U8 | diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index 9a608fa85155..dd1ab6177840 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -870,7 +870,8 @@ static struct snd_pcm_hardware snd_usX2Y_2c = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH), .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_3LE, .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, .rate_min = 44100, From 3e5b50165fd0be080044586f43fcdd460ed27610 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 28 Apr 2009 12:07:08 +0200 Subject: [PATCH 231/478] ALSA: pcm core - Avoid jiffies check for devices with BATCH flag The hardware devices with SNDRV_PCM_INFO_BATCH flag can't give the precise current position. And such hardwares have often big FIFO in addition to the ring buffer, and it screws up the jiffies check in pcm_lib.c. This patch adds a simple check of info flag so that the driver skips the jiffies check in snd_pcm_period_elapsed() when BATCH flag is set. Signed-off-by: Takashi Iwai --- sound/core/pcm_lib.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 63d088f2265f..a2a792c18c40 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -249,6 +249,12 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream) new_hw_ptr = hw_base + pos; } } + /* Skip the jiffies check for hardwares with BATCH flag. + * Such hardware usually just increases the position at each IRQ, + * thus it can't give any strange position. + */ + if (runtime->hw.info & SNDRV_PCM_INFO_BATCH) + goto no_jiffies_check; hdelta = new_hw_ptr - old_hw_ptr; jdelta = jiffies - runtime->hw_ptr_jiffies; if (((hdelta * HZ) / runtime->rate) > jdelta + HZ/100) { @@ -272,6 +278,7 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream) hw_base -= hw_base % runtime->buffer_size; delta = 0; } + no_jiffies_check: if (delta > runtime->period_size + runtime->period_size / 2) { hw_ptr_error(substream, "Lost interrupts? " From 18cc8d8d9b74c446832336d8f6e1afb145f9431b Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Tue, 28 Apr 2009 18:18:05 +0900 Subject: [PATCH 232/478] ASoC: TWL4030: Fix gain control for earpiece amplifier The gain control for earpiece amplifier uses 0dB ~ 12dB according to the TRM, but the present code is implemented to -6dB ~ 6dB. Signed-off-by: Joonyoung Shim Acked-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/twl4030.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 921b205de28a..df7c8c281d2f 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -835,6 +835,12 @@ static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); */ static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); +/* + * Gain control for earpiece amplifier + * 0 dB to 12 dB in 6 dB steps (mute instead of -6) + */ +static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1); + /* * Capture gain after the ADCs * from 0 dB to 31 dB in 1 dB steps @@ -900,7 +906,7 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = { 4, 3, 0, output_tvl), SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume", - TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl), + TWL4030_REG_EAR_CTL, 4, 3, 0, output_ear_tvl), /* Common capture gain controls */ SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", From f3784d834c71689336fa272df420b45345cb6b84 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Thu, 23 Apr 2009 14:50:54 +0300 Subject: [PATCH 233/478] Bluetooth: Ensure that HCI sysfs add/del is preempt safe Use a different work_struct variables for add_conn() and del_conn() and use single work queue instead of two for adding and deleting connections. It eliminates the following error on a preemptible kernel: [ 204.358032] Unable to handle kernel NULL pointer dereference at virtual address 0000000c [ 204.370697] pgd = c0004000 [ 204.373443] [0000000c] *pgd=00000000 [ 204.378601] Internal error: Oops: 17 [#1] PREEMPT [ 204.383361] Modules linked in: vfat fat rfcomm sco l2cap sd_mod scsi_mod iphb pvr2d drm omaplfb ps [ 204.438537] CPU: 0 Not tainted (2.6.28-maemo2 #1) [ 204.443664] PC is at klist_put+0x2c/0xb4 [ 204.447601] LR is at klist_put+0x18/0xb4 [ 204.451568] pc : [] lr : [] psr: a0000113 [ 204.451568] sp : cf1b3f10 ip : cf1b3f10 fp : cf1b3f2c [ 204.463104] r10: 00000000 r9 : 00000000 r8 : bf08029c [ 204.468353] r7 : c7869200 r6 : cfbe2690 r5 : c78692c8 r4 : 00000001 [ 204.474945] r3 : 00000001 r2 : cf1b2000 r1 : 00000001 r0 : 00000000 [ 204.481506] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 204.488861] Control: 10c5387d Table: 887fc018 DAC: 00000017 [ 204.494628] Process btdelconn (pid: 515, stack limit = 0xcf1b22e0) Signed-off-by: Roger Quadros Signed-off-by: Marcel Holtmann --- include/net/bluetooth/hci_core.h | 3 ++- net/bluetooth/hci_sysfs.c | 37 ++++++++++++++------------------ 2 files changed, 18 insertions(+), 22 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 01f9316b4c23..1224bba24bdd 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -180,7 +180,8 @@ struct hci_conn { struct timer_list disc_timer; struct timer_list idle_timer; - struct work_struct work; + struct work_struct work_add; + struct work_struct work_del; struct device dev; diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index ed82796d4a0f..b7c51082ddeb 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -9,8 +9,7 @@ struct class *bt_class = NULL; EXPORT_SYMBOL_GPL(bt_class); -static struct workqueue_struct *btaddconn; -static struct workqueue_struct *btdelconn; +static struct workqueue_struct *bluetooth; static inline char *link_typetostr(int type) { @@ -88,9 +87,10 @@ static struct device_type bt_link = { static void add_conn(struct work_struct *work) { - struct hci_conn *conn = container_of(work, struct hci_conn, work); + struct hci_conn *conn = container_of(work, struct hci_conn, work_add); - flush_workqueue(btdelconn); + /* ensure previous add/del is complete */ + flush_workqueue(bluetooth); if (device_add(&conn->dev) < 0) { BT_ERR("Failed to register connection device"); @@ -114,9 +114,9 @@ void hci_conn_add_sysfs(struct hci_conn *conn) device_initialize(&conn->dev); - INIT_WORK(&conn->work, add_conn); + INIT_WORK(&conn->work_add, add_conn); - queue_work(btaddconn, &conn->work); + queue_work(bluetooth, &conn->work_add); } /* @@ -131,9 +131,12 @@ static int __match_tty(struct device *dev, void *data) static void del_conn(struct work_struct *work) { - struct hci_conn *conn = container_of(work, struct hci_conn, work); + struct hci_conn *conn = container_of(work, struct hci_conn, work_del); struct hci_dev *hdev = conn->hdev; + /* ensure previous add/del is complete */ + flush_workqueue(bluetooth); + while (1) { struct device *dev; @@ -156,9 +159,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn) if (!device_is_registered(&conn->dev)) return; - INIT_WORK(&conn->work, del_conn); + INIT_WORK(&conn->work_del, del_conn); - queue_work(btdelconn, &conn->work); + queue_work(bluetooth, &conn->work_del); } static inline char *host_typetostr(int type) @@ -435,20 +438,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev) int __init bt_sysfs_init(void) { - btaddconn = create_singlethread_workqueue("btaddconn"); - if (!btaddconn) + bluetooth = create_singlethread_workqueue("bluetooth"); + if (!bluetooth) return -ENOMEM; - btdelconn = create_singlethread_workqueue("btdelconn"); - if (!btdelconn) { - destroy_workqueue(btaddconn); - return -ENOMEM; - } - bt_class = class_create(THIS_MODULE, "bluetooth"); if (IS_ERR(bt_class)) { - destroy_workqueue(btdelconn); - destroy_workqueue(btaddconn); + destroy_workqueue(bluetooth); return PTR_ERR(bt_class); } @@ -457,8 +453,7 @@ int __init bt_sysfs_init(void) void bt_sysfs_cleanup(void) { - destroy_workqueue(btaddconn); - destroy_workqueue(btdelconn); + destroy_workqueue(bluetooth); class_destroy(bt_class); } From 052b30b0a8eec8db5b18ad49effdf2a9ba4c1e1a Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sun, 26 Apr 2009 20:01:22 +0200 Subject: [PATCH 234/478] Bluetooth: Add different pairing timeout for Legacy Pairing The Bluetooth stack uses a reference counting for all established ACL links and if no user (L2CAP connection) is present, the link will be terminated to save power. The problem part is the dedicated pairing when using Legacy Pairing (Bluetooth 2.0 and before). At that point no user is present and pairing attempts will be disconnected within 10 seconds or less. In previous kernel version this was not a problem since the disconnect timeout wasn't triggered on incoming connections for the first time. However this caused issues with broken host stacks that kept the connections around after dedicated pairing. When the support for Simple Pairing got added, the link establishment procedure needed to be changed and now causes issues when using Legacy Pairing When using Simple Pairing it is possible to do a proper reference counting of ACL link users. With Legacy Pairing this is not possible since the specification is unclear in some areas and too many broken Bluetooth devices have already been deployed. So instead of trying to deal with all the broken devices, a special pairing timeout will be introduced that increases the timeout to 60 seconds when pairing is triggered. If a broken devices now puts the stack into an unforeseen state, the worst that happens is the disconnect timeout triggers after 120 seconds instead of 4 seconds. This allows successful pairings with legacy and broken devices now. Based on a report by Johan Hedberg Signed-off-by: Marcel Holtmann --- include/net/bluetooth/hci.h | 1 + include/net/bluetooth/hci_core.h | 5 +++-- net/bluetooth/hci_conn.c | 1 + net/bluetooth/hci_event.c | 36 +++++++++++++++++++++++++++++++- 4 files changed, 40 insertions(+), 3 deletions(-) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index f69f015bbcc0..ed3aea1605e8 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -101,6 +101,7 @@ enum { /* HCI timeouts */ #define HCI_CONNECT_TIMEOUT (40000) /* 40 seconds */ #define HCI_DISCONN_TIMEOUT (2000) /* 2 seconds */ +#define HCI_PAIRING_TIMEOUT (60000) /* 60 seconds */ #define HCI_IDLE_TIMEOUT (6000) /* 6 seconds */ #define HCI_INIT_TIMEOUT (10000) /* 10 seconds */ diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 1224bba24bdd..be5bd713d2c9 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -171,6 +171,7 @@ struct hci_conn { __u8 auth_type; __u8 sec_level; __u8 power_save; + __u16 disc_timeout; unsigned long pend; unsigned int sent; @@ -349,9 +350,9 @@ static inline void hci_conn_put(struct hci_conn *conn) if (conn->type == ACL_LINK) { del_timer(&conn->idle_timer); if (conn->state == BT_CONNECTED) { - timeo = msecs_to_jiffies(HCI_DISCONN_TIMEOUT); + timeo = msecs_to_jiffies(conn->disc_timeout); if (!conn->out) - timeo *= 5; + timeo *= 2; } else timeo = msecs_to_jiffies(10); } else diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 1181db08d9de..75ebbe2221a3 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -215,6 +215,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) conn->state = BT_OPEN; conn->power_save = 1; + conn->disc_timeout = HCI_DISCONN_TIMEOUT; switch (type) { case ACL_LINK: diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 15f40ea8d544..4e7cb88e5da9 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -883,6 +883,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s if (conn->type == ACL_LINK) { conn->state = BT_CONFIG; hci_conn_hold(conn); + conn->disc_timeout = HCI_DISCONN_TIMEOUT; } else conn->state = BT_CONNECTED; @@ -1063,9 +1064,14 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s hci_proto_connect_cfm(conn, ev->status); hci_conn_put(conn); } - } else + } else { hci_auth_cfm(conn, ev->status); + hci_conn_hold(conn); + conn->disc_timeout = HCI_DISCONN_TIMEOUT; + hci_conn_put(conn); + } + if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { if (!ev->status) { struct hci_cp_set_conn_encrypt cp; @@ -1479,7 +1485,21 @@ static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { + struct hci_ev_pin_code_req *ev = (void *) skb->data; + struct hci_conn *conn; + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (conn) { + hci_conn_hold(conn); + conn->disc_timeout = HCI_PAIRING_TIMEOUT; + hci_conn_put(conn); + } + + hci_dev_unlock(hdev); } static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) @@ -1489,7 +1509,21 @@ static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) { + struct hci_ev_link_key_notify *ev = (void *) skb->data; + struct hci_conn *conn; + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (conn) { + hci_conn_hold(conn); + conn->disc_timeout = HCI_DISCONN_TIMEOUT; + hci_conn_put(conn); + } + + hci_dev_unlock(hdev); } static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) From 3fdca1e1370ffe89980927cdef0583bebcd8caaf Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Tue, 28 Apr 2009 09:04:55 -0700 Subject: [PATCH 235/478] Bluetooth: Fix connection establishment with low security requirement The Bluetooth 2.1 specification introduced four different security modes that can be mapped using Legacy Pairing and Simple Pairing. With the usage of Simple Pairing it is required that all connections (except the ones for SDP) are encrypted. So even the low security requirement mandates an encrypted connection when using Simple Pairing. When using Legacy Pairing (for Bluetooth 2.0 devices and older) this is not required since it causes interoperability issues. To support this properly the low security requirement translates into different host controller transactions depending if Simple Pairing is supported or not. However in case of Simple Pairing the command to switch on encryption after a successful authentication is not triggered for the low security mode. This patch fixes this and actually makes the logic to differentiate between Simple Pairing and Legacy Pairing a lot simpler. Based on a report by Ville Tervo Signed-off-by: Marcel Holtmann --- net/bluetooth/hci_conn.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 75ebbe2221a3..375f4b4f7f79 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -425,12 +425,9 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) if (sec_level == BT_SECURITY_SDP) return 1; - if (sec_level == BT_SECURITY_LOW) { - if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0) - return hci_conn_auth(conn, sec_level, auth_type); - else - return 1; - } + if (sec_level == BT_SECURITY_LOW && + (!conn->ssp_mode || !conn->hdev->ssp_mode)) + return 1; if (conn->link_mode & HCI_LM_ENCRYPT) return hci_conn_auth(conn, sec_level, auth_type); From 384318ecd2eb4fdbcbe7c4df6e8bb55986bf52d4 Mon Sep 17 00:00:00 2001 From: Ping Cheng Date: Tue, 28 Apr 2009 07:49:54 -0700 Subject: [PATCH 236/478] Input: wacom - fix TabletPC touch bug This patch fixed a bug that was introduced in kernel 2.6.28 for TabletPC touch data. The wacom_parse_hid routine in wacom_sys.c should always return 0 even when usb_control_msg got an error. Signed-off-by: Ping Cheng Signed-off-by: Dmitry Torokhov --- drivers/input/tablet/wacom.h | 5 +++-- drivers/input/tablet/wacom_sys.c | 13 +++++++++++-- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h index 677680e9f54f..9710bfd49cf9 100644 --- a/drivers/input/tablet/wacom.h +++ b/drivers/input/tablet/wacom.h @@ -11,7 +11,7 @@ * Copyright (c) 2000 Daniel Egger * Copyright (c) 2001 Frederic Lepied * Copyright (c) 2004 Panagiotis Issaris - * Copyright (c) 2002-2008 Ping Cheng + * Copyright (c) 2002-2009 Ping Cheng * * ChangeLog: * v0.1 (vp) - Initial release @@ -67,6 +67,7 @@ * v1.47 (pc) - Added support for Bamboo * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A) + * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28 */ /* @@ -87,7 +88,7 @@ /* * Version Information */ -#define DRIVER_VERSION "v1.49" +#define DRIVER_VERSION "v1.50" #define DRIVER_AUTHOR "Vojtech Pavlik " #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver" #define DRIVER_LICENSE "GPL" diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 484496daa0f3..b8624f27abf9 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -289,6 +289,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi 5000); /* 5 secs */ } while (result < 0 && limit++ < 5); + /* No need to parse the Descriptor. It isn't an error though */ if (result < 0) goto out; @@ -368,9 +369,8 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi } } - result = 0; - out: + result = 0; kfree(report); return result; } @@ -425,6 +425,15 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i endpoint = &intf->cur_altsetting->endpoint[0].desc; + /* Initialize touch_x_max and touch_y_max in case it is not defined */ + if (wacom_wac->features->type == TABLETPC) { + features->touch_x_max = 1023; + features->touch_y_max = 1023; + } else { + features->touch_x_max = 0; + features->touch_y_max = 0; + } + /* TabletPC need to retrieve the physical and logical maximum from report descriptor */ if (wacom_wac->features->type == TABLETPC) { if (usb_get_extra_descriptor(interface, HID_DEVICET_HID, &hid_desc)) { From 0385c5ee3ca96bfe244610bf459abf66682ff202 Mon Sep 17 00:00:00 2001 From: Bob Copeland Date: Tue, 28 Apr 2009 07:49:53 -0700 Subject: [PATCH 237/478] Input: appletouch - fix DMA to/from stack buffer CONFIG_DMA_API_DEBUG spotted an instance of appletouch using an array on the stack as a DMA buffer for certain hardware. Change it to use a kmalloc()ed buffer instead. Signed-off-by: Bob Copeland Reviewed-by: Johannes Berg Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/appletouch.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index 454b96112f03..e0140fdc02a5 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -255,15 +255,22 @@ MODULE_PARM_DESC(debug, "Activate debugging output"); */ static int atp_geyser_init(struct usb_device *udev) { - char data[8]; + char *data; int size; int i; + int ret; + + data = kmalloc(8, GFP_KERNEL); + if (!data) { + err("Out of memory"); + return -ENOMEM; + } size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), ATP_GEYSER_MODE_READ_REQUEST_ID, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, ATP_GEYSER_MODE_REQUEST_VALUE, - ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000); + ATP_GEYSER_MODE_REQUEST_INDEX, data, 8, 5000); if (size != 8) { dprintk("atp_geyser_init: read error\n"); @@ -271,7 +278,8 @@ static int atp_geyser_init(struct usb_device *udev) dprintk("appletouch[%d]: %d\n", i, data[i]); err("Failed to read mode from device."); - return -EIO; + ret = -EIO; + goto out_free; } /* Apply the mode switch */ @@ -281,7 +289,7 @@ static int atp_geyser_init(struct usb_device *udev) ATP_GEYSER_MODE_WRITE_REQUEST_ID, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, ATP_GEYSER_MODE_REQUEST_VALUE, - ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000); + ATP_GEYSER_MODE_REQUEST_INDEX, data, 8, 5000); if (size != 8) { dprintk("atp_geyser_init: write error\n"); @@ -289,9 +297,13 @@ static int atp_geyser_init(struct usb_device *udev) dprintk("appletouch[%d]: %d\n", i, data[i]); err("Failed to request geyser raw mode"); - return -EIO; + ret = -EIO; + goto out_free; } - return 0; + ret = 0; +out_free: + kfree(data); + return ret; } /* From 9894cf0ff5e9ccda60d8d0e2d37bd61539b08826 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Mon, 27 Apr 2009 11:52:42 -0700 Subject: [PATCH 238/478] Input: bcm5974 - prepare for a new trackpad header type The new unibody Macbooks are equipped with an integrated button and trackpad. The package header of the trackpad interface has changed to also contain information about the integrated button. This patch performs the necessary preparations to allow for the new package header. Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/bcm5974.c | 47 +++++++++++++++++++---------------- 1 file changed, 26 insertions(+), 21 deletions(-) diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 2998a6ac9ae4..bda873393b0d 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -96,14 +96,15 @@ struct bt_data { u8 rel_y; /* relative y coordinate */ }; -/* trackpad header structure */ -struct tp_header { - u8 unknown1[16]; /* constants, timers, etc */ - u8 fingers; /* number of fingers on trackpad */ - u8 unknown2[9]; /* constants, timers, etc */ +/* trackpad header types */ +enum tp_type { + TYPE1 /* plain trackpad */ }; -/* trackpad finger structure */ +/* trackpad finger data offsets, le16-aligned */ +#define FINGER_TYPE1 (13 * sizeof(__le16)) + +/* trackpad finger structure, le16-aligned */ struct tp_finger { __le16 origin; /* zero when switching track finger */ __le16 abs_x; /* absolute x coodinate */ @@ -117,13 +118,11 @@ struct tp_finger { __le16 force_minor; /* trackpad force, minor axis? */ __le16 unused[3]; /* zeros */ __le16 multi; /* one finger: varies, more fingers: constant */ -}; +} __attribute__((packed,aligned(2))); -/* trackpad data structure, empirically at least ten fingers */ -struct tp_data { - struct tp_header header; - struct tp_finger finger[16]; -}; +/* trackpad finger data size, empirically at least ten fingers */ +#define SIZEOF_FINGER sizeof(struct tp_finger) +#define SIZEOF_ALL_FINGERS (16 * SIZEOF_FINGER) /* device-specific parameters */ struct bcm5974_param { @@ -139,6 +138,8 @@ struct bcm5974_config { int bt_ep; /* the endpoint of the button interface */ int bt_datalen; /* data length of the button interface */ int tp_ep; /* the endpoint of the trackpad interface */ + enum tp_type tp_type; /* type of trackpad interface */ + int tp_offset; /* offset to trackpad finger data */ int tp_datalen; /* data length of the trackpad interface */ struct bcm5974_param p; /* finger pressure limits */ struct bcm5974_param w; /* finger width limits */ @@ -158,7 +159,7 @@ struct bcm5974 { struct urb *bt_urb; /* button usb request block */ struct bt_data *bt_data; /* button transferred data */ struct urb *tp_urb; /* trackpad usb request block */ - struct tp_data *tp_data; /* trackpad transferred data */ + u8 *tp_data; /* trackpad transferred data */ int fingers; /* number of fingers on trackpad */ }; @@ -184,7 +185,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING_ISO, USB_DEVICE_ID_APPLE_WELLSPRING_JIS, 0x84, sizeof(struct bt_data), - 0x81, sizeof(struct tp_data), + 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, { DIM_X, DIM_X / SN_COORD, -4824, 5342 }, @@ -195,7 +196,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING2_ISO, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS, 0x84, sizeof(struct bt_data), - 0x81, sizeof(struct tp_data), + 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, { DIM_X, DIM_X / SN_COORD, -4824, 4824 }, @@ -276,18 +277,21 @@ static int report_bt_state(struct bcm5974 *dev, int size) static int report_tp_state(struct bcm5974 *dev, int size) { const struct bcm5974_config *c = &dev->cfg; - const struct tp_finger *f = dev->tp_data->finger; + const struct tp_finger *f; struct input_dev *input = dev->input; - const int fingers = (size - 26) / 28; - int raw_p, raw_w, raw_x, raw_y; + int raw_p, raw_w, raw_x, raw_y, raw_n; int ptest = 0, origin = 0, nmin = 0, nmax = 0; int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0; - if (size < 26 || (size - 26) % 28 != 0) + if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) return -EIO; + /* finger data, le16-aligned */ + f = (const struct tp_finger *)(dev->tp_data + c->tp_offset); + raw_n = (size - c->tp_offset) / SIZEOF_FINGER; + /* always track the first finger; when detached, start over */ - if (fingers) { + if (raw_n) { raw_p = raw2int(f->force_major); raw_w = raw2int(f->size_major); raw_x = raw2int(f->abs_x); @@ -307,12 +311,13 @@ static int report_tp_state(struct bcm5974 *dev, int size) abs_w = int2bound(&c->w, raw_w); abs_x = int2bound(&c->x, raw_x - c->x.devmin); abs_y = int2bound(&c->y, c->y.devmax - raw_y); - for (; f != dev->tp_data->finger + fingers; f++) { + while (raw_n--) { ptest = int2bound(&c->p, raw2int(f->force_major)); if (ptest > PRESSURE_LOW) nmax++; if (ptest > PRESSURE_HIGH) nmin++; + f++; } } From 6916d97f6e25cc66a32d6e9a16419067d843b14f Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Mon, 27 Apr 2009 11:52:43 -0700 Subject: [PATCH 239/478] Input: bcm5974 - add quad-finger tapping The integrated button on the new unibody Macbooks presents a need to report explicit four-finger actions. Evidently, the finger pressing the button is also touching the trackpad, so in order to fully support three-finger actions, the driver must be able to report four-finger actions. This patch adds a new button, BTN_TOOL_QUADTAP, which achieves this. Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/bcm5974.c | 4 +++- include/linux/input.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index bda873393b0d..2ddf05e1d852 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -258,6 +258,7 @@ static void setup_events_to_report(struct input_dev *input_dev, __set_bit(BTN_TOOL_FINGER, input_dev->keybit); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); + __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); __set_bit(BTN_LEFT, input_dev->keybit); } @@ -329,7 +330,8 @@ static int report_tp_state(struct bcm5974 *dev, int size) input_report_key(input, BTN_TOUCH, dev->fingers > 0); input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1); input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2); - input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers > 2); + input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers == 3); + input_report_key(input, BTN_TOOL_QUADTAP, dev->fingers > 3); input_report_abs(input, ABS_PRESSURE, abs_p); input_report_abs(input, ABS_TOOL_WIDTH, abs_w); diff --git a/include/linux/input.h b/include/linux/input.h index 6b28048fc568..32cb825939be 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -445,6 +445,7 @@ struct input_absinfo { #define BTN_STYLUS2 0x14c #define BTN_TOOL_DOUBLETAP 0x14d #define BTN_TOOL_TRIPLETAP 0x14e +#define BTN_TOOL_QUADTAP 0x14f /* Four fingers on trackpad */ #define BTN_WHEEL 0x150 #define BTN_GEAR_DOWN 0x150 From 158e928741e58eb4aa379da422290c10fef23f00 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 28 Apr 2009 07:03:54 -0700 Subject: [PATCH 240/478] Input: bcm5974 - Add support for the Macbook 5 (Unibody) This patch adds support for the new unibody Macbook, with physically integrated button and trackpad. Since the integrated button changes the logic for touch-and-click, a device capability bit mask is now reported in input_id.version, which can be picked up by user space via a EVIOCGID call. Signed-off-by: Henrik Rydberg Tested-by: David M. Lary Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/bcm5974.c | 45 +++++++++++++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 2 deletions(-) diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 2ddf05e1d852..f2b38261eacb 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -51,6 +51,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI 0x0230 #define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO 0x0231 #define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232 +/* Macbook5,1 (unibody), aka wellspring3 */ +#define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238 #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -72,6 +76,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), + /* Macbook5,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), /* Terminating entry */ {} }; @@ -98,11 +106,19 @@ struct bt_data { /* trackpad header types */ enum tp_type { - TYPE1 /* plain trackpad */ + TYPE1, /* plain trackpad */ + TYPE2 /* button integrated in trackpad */ }; /* trackpad finger data offsets, le16-aligned */ #define FINGER_TYPE1 (13 * sizeof(__le16)) +#define FINGER_TYPE2 (15 * sizeof(__le16)) + +/* trackpad button data offsets */ +#define BUTTON_TYPE2 15 + +/* list of device capability bits */ +#define HAS_INTEGRATED_BUTTON 1 /* trackpad finger structure, le16-aligned */ struct tp_finger { @@ -135,6 +151,7 @@ struct bcm5974_param { /* device-specific configuration */ struct bcm5974_config { int ansi, iso, jis; /* the product id of this device */ + int caps; /* device capability bitmask */ int bt_ep; /* the endpoint of the button interface */ int bt_datalen; /* data length of the button interface */ int tp_ep; /* the endpoint of the trackpad interface */ @@ -184,6 +201,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING_ANSI, USB_DEVICE_ID_APPLE_WELLSPRING_ISO, USB_DEVICE_ID_APPLE_WELLSPRING_JIS, + 0, 0x84, sizeof(struct bt_data), 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, @@ -195,6 +213,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS, + 0, 0x84, sizeof(struct bt_data), 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, @@ -202,6 +221,18 @@ static const struct bcm5974_config bcm5974_config_table[] = { { DIM_X, DIM_X / SN_COORD, -4824, 4824 }, { DIM_Y, DIM_Y / SN_COORD, -172, 4290 } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING3_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING3_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4460, 5166 }, + { DIM_Y, DIM_Y / SN_COORD, -75, 6700 } + }, {} }; @@ -281,7 +312,7 @@ static int report_tp_state(struct bcm5974 *dev, int size) const struct tp_finger *f; struct input_dev *input = dev->input; int raw_p, raw_w, raw_x, raw_y, raw_n; - int ptest = 0, origin = 0, nmin = 0, nmax = 0; + int ptest = 0, origin = 0, ibt = 0, nmin = 0, nmax = 0; int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0; if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) @@ -304,6 +335,10 @@ static int report_tp_state(struct bcm5974 *dev, int size) ptest = int2bound(&c->p, raw_p); origin = raw2int(f->origin); + + /* set the integrated button if applicable */ + if (c->tp_type == TYPE2) + ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); } /* while tracking finger still valid, count all fingers */ @@ -347,6 +382,10 @@ static int report_tp_state(struct bcm5974 *dev, int size) } + /* type 2 reports button events via ibt only */ + if (c->tp_type == TYPE2) + input_report_key(input, BTN_LEFT, ibt); + input_sync(input); return 0; @@ -656,6 +695,8 @@ static int bcm5974_probe(struct usb_interface *iface, input_dev->name = "bcm5974"; input_dev->phys = dev->phys; usb_to_input_id(dev->udev, &input_dev->id); + /* report driver capabilities via the version field */ + input_dev->id.version = cfg->caps; input_dev->dev.parent = &iface->dev; input_set_drvdata(input_dev, dev); From 5340219317a3370a4b76a2b6f31b1e5a3dbc648b Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 28 Apr 2009 07:04:42 -0700 Subject: [PATCH 241/478] Input: bcm5974 - augment debug information Add more button and finger data to the debug output. Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/bcm5974.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index f2b38261eacb..2d8fc0bf6923 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -299,6 +299,11 @@ static int report_bt_state(struct bcm5974 *dev, int size) if (size != sizeof(struct bt_data)) return -EIO; + dprintk(7, + "bcm5974: button data: %x %x %x %x\n", + dev->bt_data->unknown1, dev->bt_data->button, + dev->bt_data->rel_x, dev->bt_data->rel_y); + input_report_key(dev->input, BTN_LEFT, dev->bt_data->button); input_sync(dev->input); @@ -330,8 +335,9 @@ static int report_tp_state(struct bcm5974 *dev, int size) raw_y = raw2int(f->abs_y); dprintk(9, - "bcm5974: raw: p: %+05d w: %+05d x: %+05d y: %+05d\n", - raw_p, raw_w, raw_x, raw_y); + "bcm5974: " + "raw: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n", + raw_p, raw_w, raw_x, raw_y, raw_n); ptest = int2bound(&c->p, raw_p); origin = raw2int(f->origin); @@ -377,8 +383,8 @@ static int report_tp_state(struct bcm5974 *dev, int size) dprintk(8, "bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d " - "nmin: %d nmax: %d n: %d\n", - abs_p, abs_w, abs_x, abs_y, nmin, nmax, dev->fingers); + "nmin: %d nmax: %d n: %d ibt: %d\n", abs_p, abs_w, + abs_x, abs_y, nmin, nmax, dev->fingers, ibt); } From 4c57e379f4e318847dd06f60c7e1ff4d8bde1bdb Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 28 Apr 2009 07:07:07 -0700 Subject: [PATCH 242/478] Input: bcm5974 - add documentation for the driver This patch adds documentation for the bcm5974 to Documentation/input/. Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- Documentation/input/bcm5974.txt | 65 +++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/input/bcm5974.txt diff --git a/Documentation/input/bcm5974.txt b/Documentation/input/bcm5974.txt new file mode 100644 index 000000000000..5e22dcf6d48d --- /dev/null +++ b/Documentation/input/bcm5974.txt @@ -0,0 +1,65 @@ +BCM5974 Driver (bcm5974) +------------------------ + Copyright (C) 2008-2009 Henrik Rydberg + +The USB initialization and package decoding was made by Scott Shawcroft as +part of the touchd user-space driver project: + Copyright (C) 2008 Scott Shawcroft (scott.shawcroft@gmail.com) + +The BCM5974 driver is based on the appletouch driver: + Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) + Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net) + Copyright (C) 2005 Stelian Pop (stelian@popies.net) + Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de) + Copyright (C) 2005 Peter Osterlund (petero2@telia.com) + Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch) + Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch) + +This driver adds support for the multi-touch trackpad on the new Apple +Macbook Air and Macbook Pro laptops. It replaces the appletouch driver on +those computers, and integrates well with the synaptics driver of the Xorg +system. + +Known to work on Macbook Air, Macbook Pro Penryn and the new unibody +Macbook 5 and Macbook Pro 5. + +Usage +----- + +The driver loads automatically for the supported usb device ids, and +becomes available both as an event device (/dev/input/event*) and as a +mouse via the mousedev driver (/dev/input/mice). + +USB Race +-------- + +The Apple multi-touch trackpads report both mouse and keyboard events via +different interfaces of the same usb device. This creates a race condition +with the HID driver, which, if not told otherwise, will find the standard +HID mouse and keyboard, and claim the whole device. To remedy, the usb +product id must be listed in the mouse_ignore list of the hid driver. + +Debug output +------------ + +To ease the development for new hardware version, verbose packet output can +be switched on with the debug kernel module parameter. The range [1-9] +yields different levels of verbosity. Example (as root): + +echo -n 9 > /sys/module/bcm5974/parameters/debug + +tail -f /var/log/debug + +echo -n 0 > /sys/module/bcm5974/parameters/debug + +Trivia +------ + +The driver was developed at the ubuntu forums in June 2008 [1], and now has +a more permanent home at bitmath.org [2]. + +Links +----- + +[1] http://ubuntuforums.org/showthread.php?t=840040 +[2] http://http://bitmath.org/code/ From 61994a61bcedf328cb1d6e96c393fc91ce64563d Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 28 Apr 2009 07:45:31 -0700 Subject: [PATCH 243/478] Input: allow certain EV_ABS events to bypass all filtering With the upcoming multi-touch interface as an example, there is a need to make certain that all reported events actually get passed to the event handler. This patch equips the input core with the ability to bypass all filtering for certain EV_ABS events. Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- drivers/input/input.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/input/input.c b/drivers/input/input.c index 935a1835de2d..8ff92aa13a0a 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -29,6 +29,14 @@ MODULE_LICENSE("GPL"); #define INPUT_DEVICES 256 +/* + * EV_ABS events which should not be cached are listed here. + */ +static unsigned int input_abs_bypass_init_data[] __initdata = { + 0 +}; +static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)]; + static LIST_HEAD(input_dev_list); static LIST_HEAD(input_handler_list); @@ -192,6 +200,11 @@ static void input_handle_event(struct input_dev *dev, case EV_ABS: if (is_event_supported(code, dev->absbit, ABS_MAX)) { + if (test_bit(code, input_abs_bypass)) { + disposition = INPUT_PASS_TO_HANDLERS; + break; + } + value = input_defuzz_abs_event(value, dev->abs[code], dev->absfuzz[code]); @@ -1634,10 +1647,20 @@ static const struct file_operations input_fops = { .open = input_open_file, }; +static void __init input_init_abs_bypass(void) +{ + const unsigned int *p; + + for (p = input_abs_bypass_init_data; *p; p++) + input_abs_bypass[BIT_WORD(*p)] |= BIT_MASK(*p); +} + static int __init input_init(void) { int err; + input_init_abs_bypass(); + err = class_register(&input_class); if (err) { printk(KERN_ERR "input: unable to register input_dev class\n"); From 5e5ee686e3c0f8a3cbe9b75c2690326bf91af10d Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 28 Apr 2009 07:47:33 -0700 Subject: [PATCH 244/478] Input: add detailed multi-touch finger data report protocol In order to utilize the full power of the new multi-touch devices, a way to report detailed finger data to user space is needed. This patch adds a multi-touch (MT) protocol which allows drivers to report details for an arbitrary number of fingers. The driver sends a SYN_MT_REPORT event via the input_mt_sync() function when a complete finger has been reported. In order to stay compatible with existing applications, the data reported in a finger packet must not be recognized as single-touch events. In addition, all finger data must bypass input filtering, since subsequent events of the same type refer to different fingers. A set of ABS_MT events with the desired properties are defined. The events are divided into categories, to allow for partial implementation. The minimum set consists of ABS_MT_TOUCH_MAJOR, ABS_MT_POSITION_X and ABS_MT_POSITION_Y, which allows for multiple fingers to be tracked. If the device supports it, the ABS_MT_WIDTH_MAJOR may be used to provide the size of the approaching finger. Anisotropy and direction may be specified with ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and ABS_MT_ORIENTATION. Devices with more granular information may specify general shapes as blobs, i.e., as a sequence of rectangular shapes grouped together by a ABS_MT_BLOB_ID. Finally, the ABS_MT_TOOL_TYPE may be used to specify whether the touching tool is a finger or a pen. Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- drivers/input/input.c | 13 +++++++++++++ include/linux/input.h | 23 +++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/drivers/input/input.c b/drivers/input/input.c index 8ff92aa13a0a..e54e002665b0 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -33,6 +33,15 @@ MODULE_LICENSE("GPL"); * EV_ABS events which should not be cached are listed here. */ static unsigned int input_abs_bypass_init_data[] __initdata = { + ABS_MT_TOUCH_MAJOR, + ABS_MT_TOUCH_MINOR, + ABS_MT_WIDTH_MAJOR, + ABS_MT_WIDTH_MINOR, + ABS_MT_ORIENTATION, + ABS_MT_POSITION_X, + ABS_MT_POSITION_Y, + ABS_MT_TOOL_TYPE, + ABS_MT_BLOB_ID, 0 }; static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)]; @@ -169,6 +178,10 @@ static void input_handle_event(struct input_dev *dev, disposition = INPUT_PASS_TO_HANDLERS; } break; + case SYN_MT_REPORT: + dev->sync = 0; + disposition = INPUT_PASS_TO_HANDLERS; + break; } break; diff --git a/include/linux/input.h b/include/linux/input.h index 32cb825939be..0e6ff5de3588 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -106,6 +106,7 @@ struct input_absinfo { #define SYN_REPORT 0 #define SYN_CONFIG 1 +#define SYN_MT_REPORT 2 /* * Keys and buttons @@ -645,6 +646,17 @@ struct input_absinfo { #define ABS_TOOL_WIDTH 0x1c #define ABS_VOLUME 0x20 #define ABS_MISC 0x28 + +#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ +#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */ +#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */ +#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */ +#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */ +#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ +#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ +#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */ +#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */ + #define ABS_MAX 0x3f #define ABS_CNT (ABS_MAX+1) @@ -743,6 +755,12 @@ struct input_absinfo { #define BUS_GSC 0x1A #define BUS_ATARI 0x1B +/* + * MT_TOOL types + */ +#define MT_TOOL_FINGER 0 +#define MT_TOOL_PEN 1 + /* * Values describing the status of a force-feedback effect */ @@ -1312,6 +1330,11 @@ static inline void input_sync(struct input_dev *dev) input_event(dev, EV_SYN, SYN_REPORT, 0); } +static inline void input_mt_sync(struct input_dev *dev) +{ + input_event(dev, EV_SYN, SYN_MT_REPORT, 0); +} + void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code); static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat) From 9f6532519feab921856f41b30a2397ee25f4de49 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 3 Apr 2009 21:31:30 -0700 Subject: [PATCH 245/478] regulator: fix header file missing kernel-doc Add regulator header file missing kernel-doc: Warning(include/linux/regulator/driver.h:117): No description found for parameter 'set_mode' Signed-off-by: Randy Dunlap cc: Liam Girdwood cc: Mark Brown Signed-off-by: Liam Girdwood --- include/linux/regulator/driver.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 4848d8dacd90..225f733e7533 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -50,6 +50,7 @@ enum regulator_status { * @set_current_limit: Configure a limit for a current-limited regulator. * @get_current_limit: Get the configured limit for a current-limited regulator. * + * @set_mode: Set the configured operating mode for the regulator. * @get_mode: Get the configured operating mode for the regulator. * @get_status: Return actual (not as-configured) status of regulator, as a * REGULATOR_STATUS value (or negative errno) From 036de8efae4b81f8e1504fab654070cecce6dfa9 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 8 Apr 2009 13:52:39 +0300 Subject: [PATCH 246/478] unreachable code in drms_uA_update() I removed the extra semi-colon and indented the return statement. The unreachable code was found by smatch (http://repo.or.cz/w/smatch.git). The patch was compile tested. regards, dan carpenter Signed-off-by: Dan Carpenter Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 01f7702a805d..47fc6e6fe9bc 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -540,8 +540,8 @@ static void drms_uA_update(struct regulator_dev *rdev) err = regulator_check_drms(rdev); if (err < 0 || !rdev->desc->ops->get_optimum_mode || - !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode); - return; + !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode) + return; /* get output voltage */ output_uV = rdev->desc->ops->get_voltage(rdev); From cd78dfc6c6e321a310a73ef7b0df3d262704dd55 Mon Sep 17 00:00:00 2001 From: Diego Liziero Date: Tue, 14 Apr 2009 03:04:47 +0200 Subject: [PATCH 247/478] drivers/regulator: fix when type is different from REGULATOR_VOLTAGE or REGULATOR_CURRENT When regulator_desc->type is something different from REGULATOR_VOLTAGE or REGULATOR_CURRENT the if should probably return ERR_PTR(-EINVAL) The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) @@ expression E; constant C; @@ ( - !E == C + E != C ) Signed-off-by: Diego Liziero Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 47fc6e6fe9bc..cb62be63caed 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2001,8 +2001,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, if (regulator_desc->name == NULL || regulator_desc->ops == NULL) return ERR_PTR(-EINVAL); - if (!regulator_desc->type == REGULATOR_VOLTAGE && - !regulator_desc->type == REGULATOR_CURRENT) + if (regulator_desc->type != REGULATOR_VOLTAGE && + regulator_desc->type != REGULATOR_CURRENT) return ERR_PTR(-EINVAL); if (!init_data) From 53032dafc6b93ac178ca2340ff8eb4ee2b3d1a92 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Sat, 25 Apr 2009 05:28:36 -0600 Subject: [PATCH 248/478] regulator core: fix double-free in regulator_register() error path During regulator registration, any error after device_register() will cause a double-free on the struct regulator_dev 'rdev'. The bug is in drivers/regulator/core.c:regulator_register(): ... scrub: device_unregister(&rdev->dev); clean: kfree(rdev); <--- rdev = ERR_PTR(ret); goto out; ... device_unregister() calls regulator_dev_release() which frees rdev. The subsequent kfree corrupts memory and causes some OMAP3 systems to oops on boot in regulator_get(). Applies against 2.6.30-rc3. Signed-off-by: Paul Walmsley Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index cb62be63caed..2f14c16f58c3 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2080,6 +2080,10 @@ out: scrub: device_unregister(&rdev->dev); + /* device core frees rdev */ + rdev = ERR_PTR(ret); + goto out; + clean: kfree(rdev); rdev = ERR_PTR(ret); From aa61d558f0f9f8b303b9cab1e51e9886896ba1a3 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Sun, 26 Apr 2009 11:49:30 +0300 Subject: [PATCH 249/478] regulator/virtual: fix strings compare predicates Signed-off-by: Mike Rapoport Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/virtual.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c index 3d08348584e1..71403fa3ffa1 100644 --- a/drivers/regulator/virtual.c +++ b/drivers/regulator/virtual.c @@ -230,13 +230,13 @@ static ssize_t set_mode(struct device *dev, struct device_attribute *attr, * sysfs_streq() doesn't need the \n's, but we add them so the strings * will be shared with show_mode(), above. */ - if (sysfs_streq(buf, "fast\n") == 0) + if (sysfs_streq(buf, "fast\n")) mode = REGULATOR_MODE_FAST; - else if (sysfs_streq(buf, "normal\n") == 0) + else if (sysfs_streq(buf, "normal\n")) mode = REGULATOR_MODE_NORMAL; - else if (sysfs_streq(buf, "idle\n") == 0) + else if (sysfs_streq(buf, "idle\n")) mode = REGULATOR_MODE_IDLE; - else if (sysfs_streq(buf, "standby\n") == 0) + else if (sysfs_streq(buf, "standby\n")) mode = REGULATOR_MODE_STANDBY; else { dev_err(dev, "Configuring invalid mode\n"); From 030853b7abdd6effb9cb44f29e60d1d7a9592210 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Tue, 28 Apr 2009 13:34:14 +0200 Subject: [PATCH 250/478] regulator/bq24022: fix bug in is_enabled function This seems to be fallout from last October's regulator core rework. It got noticed only because of recent regulator framework changes. Signed-off-by: Philipp Zabel Signed-off-by: Liam Girdwood --- drivers/regulator/bq24022.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/regulator/bq24022.c b/drivers/regulator/bq24022.c index 7ecb820ceebc..d08cd9b66c6d 100644 --- a/drivers/regulator/bq24022.c +++ b/drivers/regulator/bq24022.c @@ -61,8 +61,7 @@ static int bq24022_disable(struct regulator_dev *rdev) static int bq24022_is_enabled(struct regulator_dev *rdev) { - struct platform_device *pdev = rdev_get_drvdata(rdev); - struct bq24022_mach_info *pdata = pdev->dev.platform_data; + struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); return !gpio_get_value(pdata->gpio_nce); } From 3e59091828ed5406c879b899b4257fcef7271e2c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 28 Apr 2009 11:09:38 +0100 Subject: [PATCH 251/478] regulator: Fix default constraints for fixed voltage regulators Default voltage constraints were being provided for fixed voltage regulator where board constraints were not provided but these constraints used INT_MIN as the default minimum voltage which is not a valid value since it is less than zero. Use 1uV instead. Also set the default values we set in the constraints themselves since otherwise the max_uV constraint we determine will not be stored in the actual constraint strucutre and will therefore not be used. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 2f14c16f58c3..98c3a74e9949 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -703,10 +703,13 @@ static int set_machine_constraints(struct regulator_dev *rdev, int cmin = constraints->min_uV; int cmax = constraints->max_uV; - /* it's safe to autoconfigure fixed-voltage supplies */ + /* it's safe to autoconfigure fixed-voltage supplies + and the constraints are used by list_voltage. */ if (count == 1 && !cmin) { - cmin = INT_MIN; + cmin = 1; cmax = INT_MAX; + constraints->min_uV = cmin; + constraints->max_uV = cmax; } /* voltage constraints are optional */ From 39f36b47caae1443eb37c34c6def108bb79f8d25 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 28 Apr 2009 12:38:32 +0900 Subject: [PATCH 252/478] mg_disk: fix locking IRQ and timeout handlers call functions which expect locked queue lock without locking it. Fix it. While at it, convert 0s used as null pointer constant to NULLs. [ Impact: fix locking, cleanup ] Signed-off-by: Tejun Heo Cc: unsik Kim --- drivers/block/mg_disk.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c index fb39d9aa3cdc..d3e72ad08dbe 100644 --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -160,11 +160,16 @@ static irqreturn_t mg_irq(int irq, void *dev_id) struct mg_host *host = dev_id; void (*handler)(struct mg_host *) = host->mg_do_intr; - host->mg_do_intr = 0; + spin_lock(&host->lock); + + host->mg_do_intr = NULL; del_timer(&host->timer); if (!handler) handler = mg_unexpected_intr; handler(host); + + spin_unlock(&host->lock); + return IRQ_HANDLED; } @@ -319,7 +324,7 @@ static void mg_read(struct request *req) remains = req->nr_sectors; - if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_RD, 0) != + if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_RD, NULL) != MG_ERR_NONE) mg_bad_rw_intr(host); @@ -363,7 +368,7 @@ static void mg_write(struct request *req) remains = req->nr_sectors; - if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_WR, 0) != + if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_WR, NULL) != MG_ERR_NONE) { mg_bad_rw_intr(host); return; @@ -521,9 +526,11 @@ void mg_times_out(unsigned long data) char *name; struct request *req; + spin_lock_irq(&host->lock); + req = elv_next_request(host->breq); if (!req) - return; + goto out_unlock; host->mg_do_intr = NULL; @@ -534,6 +541,8 @@ void mg_times_out(unsigned long data) mg_bad_rw_intr(host); mg_request(host->breq); +out_unlock: + spin_unlock_irq(&host->lock); } static void mg_request_poll(struct request_queue *q) From 0d9f346fb0cd6d6fc70827c5396a0d83939530e4 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 28 Apr 2009 12:38:33 +0900 Subject: [PATCH 253/478] mg_disk: fix CONFIG_LBD=y warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit drivers/block/mg_disk.c: In function ‘mg_dump_status’: drivers/block/mg_disk.c:265: warning: format ‘%ld’ expects type ‘long int’, but argument 2 has type ‘sector_t’ [ Impact: kill build warning ] Cc: unsik Kim Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Tejun Heo --- drivers/block/mg_disk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c index d3e72ad08dbe..f3898353d0a8 100644 --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -79,7 +79,7 @@ static void mg_dump_status(const char *msg, unsigned int stat, if (host->breq) { req = elv_next_request(host->breq); if (req) - printk(", sector=%ld", req->sector); + printk(", sector=%u", (u32)req->sector); } } From 0191944282e84931f92915b5f06b348a92dac7e1 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 28 Apr 2009 12:38:33 +0900 Subject: [PATCH 254/478] hd: fix locking hd dance around local irq and HD_IRQ enable without achieving much. It ends up transferring data from irq handler with both local irq and HD_IRQ disabled. The only place it actually does something is while transferring the first block of a request which it does with HD_IRQ disabled but local irq enabled. Unfortunately, the dancing is horribly broken from locking POV. IRQ and timeout handlers access block queue without grabbing the queue lock and running the driver in SMP configuration crashes the whole machine pretty quickly. Remove meaningless irq enable/disable dancing and add proper locking in issue, irq and timeout paths. Signed-off-by: Tejun Heo --- drivers/block/hd.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/block/hd.c b/drivers/block/hd.c index 3c11f062a18c..baaa9e486e50 100644 --- a/drivers/block/hd.c +++ b/drivers/block/hd.c @@ -509,7 +509,6 @@ ok_to_write: if (i > 0) { SET_HANDLER(&write_intr); outsw(HD_DATA, req->buffer, 256); - local_irq_enable(); } else { #if (HD_DELAY > 0) last_req = read_timer(); @@ -541,8 +540,7 @@ static void hd_times_out(unsigned long dummy) if (!CURRENT) return; - disable_irq(HD_IRQ); - local_irq_enable(); + spin_lock_irq(hd_queue->queue_lock); reset = 1; name = CURRENT->rq_disk->disk_name; printk("%s: timeout\n", name); @@ -552,9 +550,8 @@ static void hd_times_out(unsigned long dummy) #endif end_request(CURRENT, 0); } - local_irq_disable(); hd_request(); - enable_irq(HD_IRQ); + spin_unlock_irq(hd_queue->queue_lock); } static int do_special_op(struct hd_i_struct *disk, struct request *req) @@ -592,7 +589,6 @@ static void hd_request(void) return; repeat: del_timer(&device_timer); - local_irq_enable(); req = CURRENT; if (!req) { @@ -601,7 +597,6 @@ repeat: } if (reset) { - local_irq_disable(); reset_hd(); return; } @@ -660,9 +655,7 @@ repeat: static void do_hd_request(struct request_queue *q) { - disable_irq(HD_IRQ); hd_request(); - enable_irq(HD_IRQ); } static int hd_getgeo(struct block_device *bdev, struct hd_geometry *geo) @@ -684,12 +677,16 @@ static irqreturn_t hd_interrupt(int irq, void *dev_id) { void (*handler)(void) = do_hd; + spin_lock(hd_queue->queue_lock); + do_hd = NULL; del_timer(&device_timer); if (!handler) handler = unexpected_hd_interrupt; handler(); - local_irq_enable(); + + spin_unlock(hd_queue->queue_lock); + return IRQ_HANDLED; } From 69838727bcd819a8fd73a88447801221788b0c6d Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 28 Apr 2009 20:24:29 +0200 Subject: [PATCH 255/478] bio: fix memcpy corruption in bio_copy_user_iov() st driver uses blk_rq_map_user() in order to just build a request out of page frames. In this case, map_data->offset is a non zero value and iov[0].iov_base is NULL. We need to increase nr_pages for that. Cc: stable@kernel.org Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- fs/bio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/bio.c b/fs/bio.c index 7bbc98f0eda1..98711647ece4 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -817,6 +817,9 @@ struct bio *bio_copy_user_iov(struct request_queue *q, len += iov[i].iov_len; } + if (offset) + nr_pages++; + bmd = bio_alloc_map_data(nr_pages, iov_count, gfp_mask); if (!bmd) return ERR_PTR(-ENOMEM); From 6269b731560d69c5eaa929909891edec39496d71 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Wed, 22 Apr 2009 15:11:05 +1000 Subject: [PATCH 256/478] wireless: remove unneeded EXPORT_SYMBOL the tickles a powerpc compiler bug drivers/net/wireless/iwlwifi/iwl3945-base.c:1415: error: __ksymtab_iwl3945_rx_queue_reset causes a section type conflict I am pretty sure that this is a compiler bug, so not to worry. However, as far as I can see, iwl-3945.o (the only user) and iwl3945-base.o are always linked into the same module, so the EXPORT_SYMBOL (which causes the problem) should not be needed. Correct? Signed-off-by: Stephen Rothwell Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 617c4235d971..70a00c8ee42e 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1694,7 +1694,6 @@ void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq) rxq->free_count = 0; spin_unlock_irqrestore(&rxq->lock, flags); } -EXPORT_SYMBOL(iwl3945_rx_queue_reset); /* * this should be called while priv->lock is locked From e805e4d0b53506dff4255a2792483f094e7fcd2c Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Wed, 22 Apr 2009 10:59:37 +0300 Subject: [PATCH 257/478] rndis_wlan: fix initialization order for workqueue&workers rndis_wext_link_change() might be called from rndis_command() at initialization stage and priv->workqueue/priv->work have not been initialized yet. This causes invalid opcode at rndis_wext_bind on some brands of bcm4320. Fix by initializing workqueue/workers in rndis_wext_bind() before rndis_command is used. This bug has existed since 2.6.25, reported at: http://bugzilla.kernel.org/show_bug.cgi?id=12794 Signed-off-by: Jussi Kivilinna Signed-off-by: John W. Linville --- drivers/net/wireless/rndis_wlan.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index db91db776508..bebf735cd4bd 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2558,6 +2558,11 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) mutex_init(&priv->command_lock); spin_lock_init(&priv->stats_lock); + /* because rndis_command() sleeps we need to use workqueue */ + priv->workqueue = create_singlethread_workqueue("rndis_wlan"); + INIT_WORK(&priv->work, rndis_wext_worker); + INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); + /* try bind rndis_host */ retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); if (retval < 0) @@ -2603,16 +2608,17 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) disassociate(usbdev, 1); netif_carrier_off(usbdev->net); - /* because rndis_command() sleeps we need to use workqueue */ - priv->workqueue = create_singlethread_workqueue("rndis_wlan"); - INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); queue_delayed_work(priv->workqueue, &priv->stats_work, round_jiffies_relative(STATS_UPDATE_JIFFIES)); - INIT_WORK(&priv->work, rndis_wext_worker); return 0; fail: + cancel_delayed_work_sync(&priv->stats_work); + cancel_work_sync(&priv->work); + flush_workqueue(priv->workqueue); + destroy_workqueue(priv->workqueue); + kfree(priv); return retval; } From 74aa9be0ea0ffeb233f45c39f3cf594b68bbbb89 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 23 Apr 2009 10:45:04 +0200 Subject: [PATCH 258/478] iwlwifi: notify on scan completion even when shutting down Under certain circumstances iwlwifi can get stuck and will no longer accept scan requests, because the core code (cfg80211) thinks that it's still processing one. This fixes one of the points where it can happen, but I've still seen it (although only with my radio-off-when-idle patch). Signed-off-by: Johannes Berg Acked-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-scan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 23644cf884f1..e7c65c4f741b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -925,11 +925,11 @@ void iwl_bg_scan_completed(struct work_struct *work) IWL_DEBUG_SCAN(priv, "SCAN complete scan\n"); + ieee80211_scan_completed(priv->hw, false); + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - ieee80211_scan_completed(priv->hw, false); - /* Since setting the TXPOWER may have been deferred while * performing the scan, fire one off */ mutex_lock(&priv->mutex); From b7fcb5c4a4c27da2f6d86cb03d18687e537442cf Mon Sep 17 00:00:00 2001 From: Bob Copeland Date: Mon, 27 Apr 2009 22:12:43 -0400 Subject: [PATCH 259/478] ath5k: fix buffer overrun in rate debug code char bname[5] is too small for the string "X GHz" when the null terminator is taken into account. Thus, turning on rate debugging can crash unless we have lucky stack alignment. Cc: stable@kernel.org Reported-by: Paride Legovini Signed-off-by: Bob Copeland Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c index 9770bb3d40f9..4904a07e4b59 100644 --- a/drivers/net/wireless/ath5k/debug.c +++ b/drivers/net/wireless/ath5k/debug.c @@ -424,7 +424,7 @@ ath5k_debug_dump_bands(struct ath5k_softc *sc) for (b = 0; b < IEEE80211_NUM_BANDS; b++) { struct ieee80211_supported_band *band = &sc->sbands[b]; - char bname[5]; + char bname[6]; switch (band->band) { case IEEE80211_BAND_2GHZ: strcpy(bname, "2 GHz"); From 13beadd91f148933f47947a88ab2c97a1ca9768d Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Tue, 28 Apr 2009 11:47:15 -0400 Subject: [PATCH 260/478] powerpc: Revert switch to TEXT_TEXT in linker script Commit edada399 broke the build on 64-bit powerpc because it moved the __ftr_alt_* sections of a file away from the .text section, causing link failures due to relative conditional branch targets being too far away from the branch instructions. This happens on pretty much all 64-bit powerpc configs. This change reverts commit edada399 while preserving the update from the *.refok sections to .ref.text that has happened since. Signed-off-by: Tim Abbott Requested-by: Paul Mackerras Signed-off-by: Linus Torvalds --- arch/powerpc/kernel/vmlinux.lds.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 433ae118406d..a047a6cfca4d 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -54,8 +54,8 @@ SECTIONS ALIGN_FUNCTION(); HEAD_TEXT _text = .; - TEXT_TEXT - *(.fixup __ftr_alt_*) + /* careful! __ftr_alt_* sections need to be close to .text */ + *(.text .fixup __ftr_alt_* .ref.text) SCHED_TEXT LOCK_TEXT KPROBES_TEXT From 16752e2ead535c0e616c64d3fee8401ebd0c9f62 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 28 Apr 2009 21:20:11 +0200 Subject: [PATCH 261/478] m68k: arch/m68k/kernel/sun3-head.S needs Fix this: arch/m68k/kernel/sun3-head.S: Assembler messages: arch/m68k/kernel/sun3-head.S:32: Error: Unknown operator -- statement `__head' ignored Introduced by commit 6f335cab0431d5df4995bcd4fd952d4c746d5a86 ("m68k: convert to use __HEAD and HEAD_TEXT macros."), which started using __HEAD without adding the appropriate include. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/kernel/sun3-head.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/m68k/kernel/sun3-head.S b/arch/m68k/kernel/sun3-head.S index 9e5c3e57c598..43036bf4aeed 100644 --- a/arch/m68k/kernel/sun3-head.S +++ b/arch/m68k/kernel/sun3-head.S @@ -1,4 +1,5 @@ #include +#include #include #include From 942e4a2bd680c606af0211e64eb216be2e19bf61 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 28 Apr 2009 22:36:33 -0700 Subject: [PATCH 262/478] netfilter: revised locking for x_tables The x_tables are organized with a table structure and a per-cpu copies of the counters and rules. On older kernels there was a reader/writer lock per table which was a performance bottleneck. In 2.6.30-rc, this was converted to use RCU and the counters/rules which solved the performance problems for do_table but made replacing rules much slower because of the necessary RCU grace period. This version uses a per-cpu set of spinlocks and counters to allow to table processing to proceed without the cache thrashing of a global reader lock and keeps the same performance for table updates. Signed-off-by: Stephen Hemminger Acked-by: Linus Torvalds Signed-off-by: David S. Miller --- include/linux/netfilter/x_tables.h | 73 +++++++++++++++-- net/ipv4/netfilter/arp_tables.c | 125 +++++++++------------------- net/ipv4/netfilter/ip_tables.c | 126 ++++++++--------------------- net/ipv6/netfilter/ip6_tables.c | 123 +++++++++------------------- net/netfilter/x_tables.c | 53 ++++++------ 5 files changed, 204 insertions(+), 296 deletions(-) diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 7b1a652066c0..1b2e43502ef7 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -354,9 +354,6 @@ struct xt_table /* What hooks you will enter on */ unsigned int valid_hooks; - /* Lock for the curtain */ - struct mutex lock; - /* Man behind the curtain... */ struct xt_table_info *private; @@ -434,8 +431,74 @@ extern void xt_proto_fini(struct net *net, u_int8_t af); extern struct xt_table_info *xt_alloc_table_info(unsigned int size); extern void xt_free_table_info(struct xt_table_info *info); -extern void xt_table_entry_swap_rcu(struct xt_table_info *old, - struct xt_table_info *new); + +/* + * Per-CPU spinlock associated with per-cpu table entries, and + * with a counter for the "reading" side that allows a recursive + * reader to avoid taking the lock and deadlocking. + * + * "reading" is used by ip/arp/ip6 tables rule processing which runs per-cpu. + * It needs to ensure that the rules are not being changed while the packet + * is being processed. In some cases, the read lock will be acquired + * twice on the same CPU; this is okay because of the count. + * + * "writing" is used when reading counters. + * During replace any readers that are using the old tables have to complete + * before freeing the old table. This is handled by the write locking + * necessary for reading the counters. + */ +struct xt_info_lock { + spinlock_t lock; + unsigned char readers; +}; +DECLARE_PER_CPU(struct xt_info_lock, xt_info_locks); + +/* + * Note: we need to ensure that preemption is disabled before acquiring + * the per-cpu-variable, so we do it as a two step process rather than + * using "spin_lock_bh()". + * + * We _also_ need to disable bottom half processing before updating our + * nesting count, to make sure that the only kind of re-entrancy is this + * code being called by itself: since the count+lock is not an atomic + * operation, we can allow no races. + * + * _Only_ that special combination of being per-cpu and never getting + * re-entered asynchronously means that the count is safe. + */ +static inline void xt_info_rdlock_bh(void) +{ + struct xt_info_lock *lock; + + local_bh_disable(); + lock = &__get_cpu_var(xt_info_locks); + if (!lock->readers++) + spin_lock(&lock->lock); +} + +static inline void xt_info_rdunlock_bh(void) +{ + struct xt_info_lock *lock = &__get_cpu_var(xt_info_locks); + + if (!--lock->readers) + spin_unlock(&lock->lock); + local_bh_enable(); +} + +/* + * The "writer" side needs to get exclusive access to the lock, + * regardless of readers. This must be called with bottom half + * processing (and thus also preemption) disabled. + */ +static inline void xt_info_wrlock(unsigned int cpu) +{ + spin_lock(&per_cpu(xt_info_locks, cpu).lock); +} + +static inline void xt_info_wrunlock(unsigned int cpu) +{ + spin_unlock(&per_cpu(xt_info_locks, cpu).lock); +} /* * This helper is performance critical and must be inlined diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 5ba533d234db..831fe1879dc0 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -253,9 +253,9 @@ unsigned int arpt_do_table(struct sk_buff *skb, indev = in ? in->name : nulldevname; outdev = out ? out->name : nulldevname; - rcu_read_lock_bh(); - private = rcu_dereference(table->private); - table_base = rcu_dereference(private->entries[smp_processor_id()]); + xt_info_rdlock_bh(); + private = table->private; + table_base = private->entries[smp_processor_id()]; e = get_entry(table_base, private->hook_entry[hook]); back = get_entry(table_base, private->underflow[hook]); @@ -273,6 +273,7 @@ unsigned int arpt_do_table(struct sk_buff *skb, hdr_len = sizeof(*arp) + (2 * sizeof(struct in_addr)) + (2 * skb->dev->addr_len); + ADD_COUNTER(e->counters, hdr_len, 1); t = arpt_get_target(e); @@ -328,8 +329,7 @@ unsigned int arpt_do_table(struct sk_buff *skb, e = (void *)e + e->next_offset; } } while (!hotdrop); - - rcu_read_unlock_bh(); + xt_info_rdunlock_bh(); if (hotdrop) return NF_DROP; @@ -711,9 +711,12 @@ static void get_counters(const struct xt_table_info *t, /* Instead of clearing (by a previous call to memset()) * the counters and using adds, we set the counters * with data used by 'current' CPU - * We dont care about preemption here. + * + * Bottom half has to be disabled to prevent deadlock + * if new softirq were to run and call ipt_do_table */ - curcpu = raw_smp_processor_id(); + local_bh_disable(); + curcpu = smp_processor_id(); i = 0; ARPT_ENTRY_ITERATE(t->entries[curcpu], @@ -726,73 +729,22 @@ static void get_counters(const struct xt_table_info *t, if (cpu == curcpu) continue; i = 0; + xt_info_wrlock(cpu); ARPT_ENTRY_ITERATE(t->entries[cpu], t->size, add_entry_to_counter, counters, &i); + xt_info_wrunlock(cpu); } -} - - -/* We're lazy, and add to the first CPU; overflow works its fey magic - * and everything is OK. */ -static int -add_counter_to_entry(struct arpt_entry *e, - const struct xt_counters addme[], - unsigned int *i) -{ - ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt); - - (*i)++; - return 0; -} - -/* Take values from counters and add them back onto the current cpu */ -static void put_counters(struct xt_table_info *t, - const struct xt_counters counters[]) -{ - unsigned int i, cpu; - - local_bh_disable(); - cpu = smp_processor_id(); - i = 0; - ARPT_ENTRY_ITERATE(t->entries[cpu], - t->size, - add_counter_to_entry, - counters, - &i); local_bh_enable(); } -static inline int -zero_entry_counter(struct arpt_entry *e, void *arg) -{ - e->counters.bcnt = 0; - e->counters.pcnt = 0; - return 0; -} - -static void -clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info) -{ - unsigned int cpu; - const void *loc_cpu_entry = info->entries[raw_smp_processor_id()]; - - memcpy(newinfo, info, offsetof(struct xt_table_info, entries)); - for_each_possible_cpu(cpu) { - memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size); - ARPT_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size, - zero_entry_counter, NULL); - } -} - static struct xt_counters *alloc_counters(struct xt_table *table) { unsigned int countersize; struct xt_counters *counters; struct xt_table_info *private = table->private; - struct xt_table_info *info; /* We need atomic snapshot of counters: rest doesn't change * (other than comefrom, which userspace doesn't care @@ -802,30 +754,11 @@ static struct xt_counters *alloc_counters(struct xt_table *table) counters = vmalloc_node(countersize, numa_node_id()); if (counters == NULL) - goto nomem; + return ERR_PTR(-ENOMEM); - info = xt_alloc_table_info(private->size); - if (!info) - goto free_counters; - - clone_counters(info, private); - - mutex_lock(&table->lock); - xt_table_entry_swap_rcu(private, info); - synchronize_net(); /* Wait until smoke has cleared */ - - get_counters(info, counters); - put_counters(private, counters); - mutex_unlock(&table->lock); - - xt_free_table_info(info); + get_counters(private, counters); return counters; - - free_counters: - vfree(counters); - nomem: - return ERR_PTR(-ENOMEM); } static int copy_entries_to_user(unsigned int total_size, @@ -1094,8 +1027,9 @@ static int __do_replace(struct net *net, const char *name, (newinfo->number <= oldinfo->initial_entries)) module_put(t->me); - /* Get the old counters. */ + /* Get the old counters, and synchronize with replace */ get_counters(oldinfo, counters); + /* Decrease module usage counts and free resource */ loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()]; ARPT_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry, @@ -1165,10 +1099,23 @@ static int do_replace(struct net *net, void __user *user, unsigned int len) return ret; } +/* We're lazy, and add to the first CPU; overflow works its fey magic + * and everything is OK. */ +static int +add_counter_to_entry(struct arpt_entry *e, + const struct xt_counters addme[], + unsigned int *i) +{ + ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt); + + (*i)++; + return 0; +} + static int do_add_counters(struct net *net, void __user *user, unsigned int len, int compat) { - unsigned int i; + unsigned int i, curcpu; struct xt_counters_info tmp; struct xt_counters *paddc; unsigned int num_counters; @@ -1224,26 +1171,26 @@ static int do_add_counters(struct net *net, void __user *user, unsigned int len, goto free; } - mutex_lock(&t->lock); + local_bh_disable(); private = t->private; if (private->number != num_counters) { ret = -EINVAL; goto unlock_up_free; } - preempt_disable(); i = 0; /* Choose the copy that is on our node */ - loc_cpu_entry = private->entries[smp_processor_id()]; + curcpu = smp_processor_id(); + loc_cpu_entry = private->entries[curcpu]; + xt_info_wrlock(curcpu); ARPT_ENTRY_ITERATE(loc_cpu_entry, private->size, add_counter_to_entry, paddc, &i); - preempt_enable(); + xt_info_wrunlock(curcpu); unlock_up_free: - mutex_unlock(&t->lock); - + local_bh_enable(); xt_table_unlock(t); module_put(t->me); free: diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index 810c0b62c7d4..2ec8d7290c40 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -338,10 +338,9 @@ ipt_do_table(struct sk_buff *skb, tgpar.hooknum = hook; IP_NF_ASSERT(table->valid_hooks & (1 << hook)); - - rcu_read_lock_bh(); - private = rcu_dereference(table->private); - table_base = rcu_dereference(private->entries[smp_processor_id()]); + xt_info_rdlock_bh(); + private = table->private; + table_base = private->entries[smp_processor_id()]; e = get_entry(table_base, private->hook_entry[hook]); @@ -436,8 +435,7 @@ ipt_do_table(struct sk_buff *skb, e = (void *)e + e->next_offset; } } while (!hotdrop); - - rcu_read_unlock_bh(); + xt_info_rdunlock_bh(); #ifdef DEBUG_ALLOW_ALL return NF_ACCEPT; @@ -896,10 +894,13 @@ get_counters(const struct xt_table_info *t, /* Instead of clearing (by a previous call to memset()) * the counters and using adds, we set the counters - * with data used by 'current' CPU - * We dont care about preemption here. + * with data used by 'current' CPU. + * + * Bottom half has to be disabled to prevent deadlock + * if new softirq were to run and call ipt_do_table */ - curcpu = raw_smp_processor_id(); + local_bh_disable(); + curcpu = smp_processor_id(); i = 0; IPT_ENTRY_ITERATE(t->entries[curcpu], @@ -912,74 +913,22 @@ get_counters(const struct xt_table_info *t, if (cpu == curcpu) continue; i = 0; + xt_info_wrlock(cpu); IPT_ENTRY_ITERATE(t->entries[cpu], t->size, add_entry_to_counter, counters, &i); + xt_info_wrunlock(cpu); } - -} - -/* We're lazy, and add to the first CPU; overflow works its fey magic - * and everything is OK. */ -static int -add_counter_to_entry(struct ipt_entry *e, - const struct xt_counters addme[], - unsigned int *i) -{ - ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt); - - (*i)++; - return 0; -} - -/* Take values from counters and add them back onto the current cpu */ -static void put_counters(struct xt_table_info *t, - const struct xt_counters counters[]) -{ - unsigned int i, cpu; - - local_bh_disable(); - cpu = smp_processor_id(); - i = 0; - IPT_ENTRY_ITERATE(t->entries[cpu], - t->size, - add_counter_to_entry, - counters, - &i); local_bh_enable(); } - -static inline int -zero_entry_counter(struct ipt_entry *e, void *arg) -{ - e->counters.bcnt = 0; - e->counters.pcnt = 0; - return 0; -} - -static void -clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info) -{ - unsigned int cpu; - const void *loc_cpu_entry = info->entries[raw_smp_processor_id()]; - - memcpy(newinfo, info, offsetof(struct xt_table_info, entries)); - for_each_possible_cpu(cpu) { - memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size); - IPT_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size, - zero_entry_counter, NULL); - } -} - static struct xt_counters * alloc_counters(struct xt_table *table) { unsigned int countersize; struct xt_counters *counters; struct xt_table_info *private = table->private; - struct xt_table_info *info; /* We need atomic snapshot of counters: rest doesn't change (other than comefrom, which userspace doesn't care @@ -988,30 +937,11 @@ static struct xt_counters * alloc_counters(struct xt_table *table) counters = vmalloc_node(countersize, numa_node_id()); if (counters == NULL) - goto nomem; + return ERR_PTR(-ENOMEM); - info = xt_alloc_table_info(private->size); - if (!info) - goto free_counters; - - clone_counters(info, private); - - mutex_lock(&table->lock); - xt_table_entry_swap_rcu(private, info); - synchronize_net(); /* Wait until smoke has cleared */ - - get_counters(info, counters); - put_counters(private, counters); - mutex_unlock(&table->lock); - - xt_free_table_info(info); + get_counters(private, counters); return counters; - - free_counters: - vfree(counters); - nomem: - return ERR_PTR(-ENOMEM); } static int @@ -1306,8 +1236,9 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, (newinfo->number <= oldinfo->initial_entries)) module_put(t->me); - /* Get the old counters. */ + /* Get the old counters, and synchronize with replace */ get_counters(oldinfo, counters); + /* Decrease module usage counts and free resource */ loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()]; IPT_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry, @@ -1377,11 +1308,23 @@ do_replace(struct net *net, void __user *user, unsigned int len) return ret; } +/* We're lazy, and add to the first CPU; overflow works its fey magic + * and everything is OK. */ +static int +add_counter_to_entry(struct ipt_entry *e, + const struct xt_counters addme[], + unsigned int *i) +{ + ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt); + + (*i)++; + return 0; +} static int do_add_counters(struct net *net, void __user *user, unsigned int len, int compat) { - unsigned int i; + unsigned int i, curcpu; struct xt_counters_info tmp; struct xt_counters *paddc; unsigned int num_counters; @@ -1437,25 +1380,26 @@ do_add_counters(struct net *net, void __user *user, unsigned int len, int compat goto free; } - mutex_lock(&t->lock); + local_bh_disable(); private = t->private; if (private->number != num_counters) { ret = -EINVAL; goto unlock_up_free; } - preempt_disable(); i = 0; /* Choose the copy that is on our node */ - loc_cpu_entry = private->entries[raw_smp_processor_id()]; + curcpu = smp_processor_id(); + loc_cpu_entry = private->entries[curcpu]; + xt_info_wrlock(curcpu); IPT_ENTRY_ITERATE(loc_cpu_entry, private->size, add_counter_to_entry, paddc, &i); - preempt_enable(); + xt_info_wrunlock(curcpu); unlock_up_free: - mutex_unlock(&t->lock); + local_bh_enable(); xt_table_unlock(t); module_put(t->me); free: diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 800ae8542471..219e165aea10 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -365,9 +365,9 @@ ip6t_do_table(struct sk_buff *skb, IP_NF_ASSERT(table->valid_hooks & (1 << hook)); - rcu_read_lock_bh(); - private = rcu_dereference(table->private); - table_base = rcu_dereference(private->entries[smp_processor_id()]); + xt_info_rdlock_bh(); + private = table->private; + table_base = private->entries[smp_processor_id()]; e = get_entry(table_base, private->hook_entry[hook]); @@ -466,7 +466,7 @@ ip6t_do_table(struct sk_buff *skb, #ifdef CONFIG_NETFILTER_DEBUG ((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON; #endif - rcu_read_unlock_bh(); + xt_info_rdunlock_bh(); #ifdef DEBUG_ALLOW_ALL return NF_ACCEPT; @@ -926,9 +926,12 @@ get_counters(const struct xt_table_info *t, /* Instead of clearing (by a previous call to memset()) * the counters and using adds, we set the counters * with data used by 'current' CPU - * We dont care about preemption here. + * + * Bottom half has to be disabled to prevent deadlock + * if new softirq were to run and call ipt_do_table */ - curcpu = raw_smp_processor_id(); + local_bh_disable(); + curcpu = smp_processor_id(); i = 0; IP6T_ENTRY_ITERATE(t->entries[curcpu], @@ -941,72 +944,22 @@ get_counters(const struct xt_table_info *t, if (cpu == curcpu) continue; i = 0; + xt_info_wrlock(cpu); IP6T_ENTRY_ITERATE(t->entries[cpu], t->size, add_entry_to_counter, counters, &i); + xt_info_wrunlock(cpu); } -} - -/* We're lazy, and add to the first CPU; overflow works its fey magic - * and everything is OK. */ -static int -add_counter_to_entry(struct ip6t_entry *e, - const struct xt_counters addme[], - unsigned int *i) -{ - ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt); - - (*i)++; - return 0; -} - -/* Take values from counters and add them back onto the current cpu */ -static void put_counters(struct xt_table_info *t, - const struct xt_counters counters[]) -{ - unsigned int i, cpu; - - local_bh_disable(); - cpu = smp_processor_id(); - i = 0; - IP6T_ENTRY_ITERATE(t->entries[cpu], - t->size, - add_counter_to_entry, - counters, - &i); local_bh_enable(); } -static inline int -zero_entry_counter(struct ip6t_entry *e, void *arg) -{ - e->counters.bcnt = 0; - e->counters.pcnt = 0; - return 0; -} - -static void -clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info) -{ - unsigned int cpu; - const void *loc_cpu_entry = info->entries[raw_smp_processor_id()]; - - memcpy(newinfo, info, offsetof(struct xt_table_info, entries)); - for_each_possible_cpu(cpu) { - memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size); - IP6T_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size, - zero_entry_counter, NULL); - } -} - static struct xt_counters *alloc_counters(struct xt_table *table) { unsigned int countersize; struct xt_counters *counters; struct xt_table_info *private = table->private; - struct xt_table_info *info; /* We need atomic snapshot of counters: rest doesn't change (other than comefrom, which userspace doesn't care @@ -1015,30 +968,11 @@ static struct xt_counters *alloc_counters(struct xt_table *table) counters = vmalloc_node(countersize, numa_node_id()); if (counters == NULL) - goto nomem; + return ERR_PTR(-ENOMEM); - info = xt_alloc_table_info(private->size); - if (!info) - goto free_counters; - - clone_counters(info, private); - - mutex_lock(&table->lock); - xt_table_entry_swap_rcu(private, info); - synchronize_net(); /* Wait until smoke has cleared */ - - get_counters(info, counters); - put_counters(private, counters); - mutex_unlock(&table->lock); - - xt_free_table_info(info); + get_counters(private, counters); return counters; - - free_counters: - vfree(counters); - nomem: - return ERR_PTR(-ENOMEM); } static int @@ -1334,8 +1268,9 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, (newinfo->number <= oldinfo->initial_entries)) module_put(t->me); - /* Get the old counters. */ + /* Get the old counters, and synchronize with replace */ get_counters(oldinfo, counters); + /* Decrease module usage counts and free resource */ loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()]; IP6T_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry, @@ -1405,11 +1340,24 @@ do_replace(struct net *net, void __user *user, unsigned int len) return ret; } +/* We're lazy, and add to the first CPU; overflow works its fey magic + * and everything is OK. */ +static int +add_counter_to_entry(struct ip6t_entry *e, + const struct xt_counters addme[], + unsigned int *i) +{ + ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt); + + (*i)++; + return 0; +} + static int do_add_counters(struct net *net, void __user *user, unsigned int len, int compat) { - unsigned int i; + unsigned int i, curcpu; struct xt_counters_info tmp; struct xt_counters *paddc; unsigned int num_counters; @@ -1465,25 +1413,28 @@ do_add_counters(struct net *net, void __user *user, unsigned int len, goto free; } - mutex_lock(&t->lock); + + local_bh_disable(); private = t->private; if (private->number != num_counters) { ret = -EINVAL; goto unlock_up_free; } - preempt_disable(); i = 0; /* Choose the copy that is on our node */ - loc_cpu_entry = private->entries[raw_smp_processor_id()]; + curcpu = smp_processor_id(); + xt_info_wrlock(curcpu); + loc_cpu_entry = private->entries[curcpu]; IP6T_ENTRY_ITERATE(loc_cpu_entry, private->size, add_counter_to_entry, paddc, &i); - preempt_enable(); + xt_info_wrunlock(curcpu); + unlock_up_free: - mutex_unlock(&t->lock); + local_bh_enable(); xt_table_unlock(t); module_put(t->me); free: diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 509a95621f9f..150e5cf62f85 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -625,20 +625,6 @@ void xt_free_table_info(struct xt_table_info *info) } EXPORT_SYMBOL(xt_free_table_info); -void xt_table_entry_swap_rcu(struct xt_table_info *oldinfo, - struct xt_table_info *newinfo) -{ - unsigned int cpu; - - for_each_possible_cpu(cpu) { - void *p = oldinfo->entries[cpu]; - rcu_assign_pointer(oldinfo->entries[cpu], newinfo->entries[cpu]); - newinfo->entries[cpu] = p; - } - -} -EXPORT_SYMBOL_GPL(xt_table_entry_swap_rcu); - /* Find table by name, grabs mutex & ref. Returns ERR_PTR() on error. */ struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, const char *name) @@ -676,32 +662,43 @@ void xt_compat_unlock(u_int8_t af) EXPORT_SYMBOL_GPL(xt_compat_unlock); #endif +DEFINE_PER_CPU(struct xt_info_lock, xt_info_locks); +EXPORT_PER_CPU_SYMBOL_GPL(xt_info_locks); + + struct xt_table_info * xt_replace_table(struct xt_table *table, unsigned int num_counters, struct xt_table_info *newinfo, int *error) { - struct xt_table_info *oldinfo, *private; + struct xt_table_info *private; /* Do the substitution. */ - mutex_lock(&table->lock); + local_bh_disable(); private = table->private; + /* Check inside lock: is the old number correct? */ if (num_counters != private->number) { duprintf("num_counters != table->private->number (%u/%u)\n", num_counters, private->number); - mutex_unlock(&table->lock); + local_bh_enable(); *error = -EAGAIN; return NULL; } - oldinfo = private; - rcu_assign_pointer(table->private, newinfo); - newinfo->initial_entries = oldinfo->initial_entries; - mutex_unlock(&table->lock); - synchronize_net(); - return oldinfo; + table->private = newinfo; + newinfo->initial_entries = private->initial_entries; + + /* + * Even though table entries have now been swapped, other CPU's + * may still be using the old entries. This is okay, because + * resynchronization happens because of the locking done + * during the get_counters() routine. + */ + local_bh_enable(); + + return private; } EXPORT_SYMBOL_GPL(xt_replace_table); @@ -734,7 +731,6 @@ struct xt_table *xt_register_table(struct net *net, struct xt_table *table, /* Simplifies replace_table code. */ table->private = bootstrap; - mutex_init(&table->lock); if (!xt_replace_table(table, 0, newinfo, &ret)) goto unlock; @@ -1147,7 +1143,14 @@ static struct pernet_operations xt_net_ops = { static int __init xt_init(void) { - int i, rv; + unsigned int i; + int rv; + + for_each_possible_cpu(i) { + struct xt_info_lock *lock = &per_cpu(xt_info_locks, i); + spin_lock_init(&lock->lock); + lock->readers = 0; + } xt = kmalloc(sizeof(struct xt_af) * NFPROTO_NUMPROTO, GFP_KERNEL); if (!xt) From ac7c992cac0c8f276aa8e4a8273204a6db707bb3 Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Tue, 28 Apr 2009 22:42:39 -0700 Subject: [PATCH 263/478] e100: do not go D3 in shutdown unless system is powering off After experimenting with kexec with the last merges after 2.6.29, I've had some problems when probing e100. It would not read the eeprom. After some bisects, I realized this has been like that since forever (at least 2.6.18). The problem is that shutdown is doing the same thing that suspend does and puts the device in D3 state. I couldn't find a way to get the device back to a sane state in the probe function. So, based on some similar patches from Rafael J. Wysocki for e1000, e1000e, and ixgbe, I wrote this one for e100. Signed-off-by: Thadeu Lima de Souza Cascardo Acked-by: "Rafael J. Wysocki" Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/e100.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 5c0b457c7868..0f9ee1348552 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2728,7 +2728,7 @@ static void __devexit e100_remove(struct pci_dev *pdev) #define E100_82552_SMARTSPEED 0x14 /* SmartSpeed Ctrl register */ #define E100_82552_REV_ANEG 0x0200 /* Reverse auto-negotiation */ #define E100_82552_ANEG_NOW 0x0400 /* Auto-negotiate now */ -static int e100_suspend(struct pci_dev *pdev, pm_message_t state) +static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); @@ -2749,19 +2749,32 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) E100_82552_SMARTSPEED, smartspeed | E100_82552_REV_ANEG | E100_82552_ANEG_NOW); } - if (pci_enable_wake(pdev, PCI_D3cold, true)) - pci_enable_wake(pdev, PCI_D3hot, true); + *enable_wake = true; } else { - pci_enable_wake(pdev, PCI_D3hot, false); + *enable_wake = false; } pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); +} - return 0; +static int __e100_power_off(struct pci_dev *pdev, bool wake) +{ + if (wake) { + return pci_prepare_to_sleep(pdev); + } else { + pci_wake_from_d3(pdev, false); + return pci_set_power_state(pdev, PCI_D3hot); + } } #ifdef CONFIG_PM +static int e100_suspend(struct pci_dev *pdev, pm_message_t state) +{ + bool wake; + __e100_shutdown(pdev, &wake); + return __e100_power_off(pdev, wake); +} + static int e100_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -2792,7 +2805,10 @@ static int e100_resume(struct pci_dev *pdev) static void e100_shutdown(struct pci_dev *pdev) { - e100_suspend(pdev, PMSG_SUSPEND); + bool wake; + __e100_shutdown(pdev, &wake); + if (system_state == SYSTEM_POWER_OFF) + __e100_power_off(pdev, wake); } /* ------------------ PCI Error Recovery infrastructure -------------- */ From 3f33b0aaac4e208579fe5aa2964857d4e9ba10c5 Mon Sep 17 00:00:00 2001 From: "Steven A. Falco" Date: Mon, 27 Apr 2009 17:10:10 -0400 Subject: [PATCH 264/478] mtd: Bug in m25p80.c during whole-chip erase There is a logic error in "whole chip erase" for the m25p80 family. If the whole device is successfully erased, erase_chip() will return 0, and the code will fall through to the "else" clause, and do sector-by-sector erase in addition to the whole-chip erase. This patch corrects that. Also, the MAX_READY_WAIT_COUNT is insufficient for an m25p16 connected to a 400 MHz powerpc. Increasing it allows me to successfully program the device on my board. Signed-off-by: Steven A. Falco Signed-off-by: David Woodhouse --- drivers/mtd/devices/m25p80.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 8185b1f3e5e6..dfadef84c052 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -54,7 +54,7 @@ #define SR_SRWD 0x80 /* SR write protect */ /* Define max times to check status register before we give up. */ -#define MAX_READY_WAIT_COUNT 100000 +#define MAX_READY_WAIT_COUNT 1000000 #define CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ @@ -246,10 +246,12 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr) mutex_lock(&flash->lock); /* whole-chip erase? */ - if (len == flash->mtd.size && erase_chip(flash)) { - instr->state = MTD_ERASE_FAILED; - mutex_unlock(&flash->lock); - return -EIO; + if (len == flash->mtd.size) { + if (erase_chip(flash)) { + instr->state = MTD_ERASE_FAILED; + mutex_unlock(&flash->lock); + return -EIO; + } /* REVISIT in some cases we could speed up erasing large regions * by using OPCODE_SE instead of OPCODE_BE_4K. We may have set up From 7267fa6819467669f5cc2ba81a615dcc88158b4b Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 29 Apr 2009 00:16:21 -0400 Subject: [PATCH 265/478] tracing: fix ref count in splice pages The pages allocated for the splice binary buffer did not initialize the ref count correctly. This caused pages not to be freed and causes a drastic memory leak. Thanks to logdev I was able to trace the tracer to find where the leak was. [ Impact: stop memory leak when using splice ] Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1ce5dc6372b8..a884c09006c4 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3448,6 +3448,7 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos, if (!ref) break; + ref->ref = 1; ref->buffer = info->tr->buffer; ref->page = ring_buffer_alloc_read_page(ref->buffer); if (!ref->page) { From 33015c85995716d03f6293346cf05a1908b0fb9a Mon Sep 17 00:00:00 2001 From: Stuart Bennett Date: Tue, 28 Apr 2009 20:17:48 +0100 Subject: [PATCH 266/478] tracing: x86, mmiotrace: fix range test Matching on (addr == (p->addr + p->len)) causes problems when mappings are adjacent. [ Impact: fix mmiotrace confusion on adjacent iomaps ] Signed-off-by: Stuart Bennett Acked-by: Pekka Paalanen Cc: Steven Rostedt LKML-Reference: <1240946271-7083-2-git-send-email-stuart@freedesktop.org> Signed-off-by: Ingo Molnar --- arch/x86/mm/kmmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 4f115e00486b..50dc802a1c46 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c @@ -87,7 +87,7 @@ static struct kmmio_probe *get_kmmio_probe(unsigned long addr) { struct kmmio_probe *p; list_for_each_entry_rcu(p, &kmmio_probes, list) { - if (addr >= p->addr && addr <= (p->addr + p->len)) + if (addr >= p->addr && addr < (p->addr + p->len)) return p; } return NULL; From 2feaace40e5c3133fea795333402f30929a200d9 Mon Sep 17 00:00:00 2001 From: Ulrich Dangel Date: Tue, 28 Apr 2009 16:23:51 +0200 Subject: [PATCH 267/478] HID: Fix the support for apple mini aluminium keyboard Quirks for the apple mini keyboard was recently added but keyboard was recognized as a powerbook keyboard. Adjusted boundary to the lowest product id for the apple mini keyboard to get the right translation. Signed-off-by: Ulrich Dangel Signed-off-by: Jiri Kosina --- drivers/hid/hid-apple.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 7359d9d88e46..acbce5745b0c 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -151,7 +151,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, if (fnmode) { int do_translate; - trans = apple_find_translation((hid->product < 0x220 || + trans = apple_find_translation((hid->product < 0x21d || hid->product >= 0x300) ? powerbook_fn_keys : apple_fn_keys, usage->code); From f5f293a4e3d0a0c52cec31de6762c95050156516 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 29 Apr 2009 14:44:49 +0200 Subject: [PATCH 268/478] sched: account system time properly Andrew Gallatin reported that IRQ and SOFTIRQ times were sometime not reported correctly on recent kernels, and even bisected to commit 457533a7d3402d1d91fbc125c8bd1bd16dcd3cd4 ([PATCH] fix scaled & unscaled cputime accounting) as the first bad commit. Further analysis pointed that commit 79741dd35713ff4f6fd0eafd59fa94e8a4ba922d ([PATCH] idle cputime accounting) was the real cause of the problem. account_process_tick() was not taking into account timer IRQ interrupting the idle task servicing a hard or soft irq. On mostly idle cpu, irqs were thus not accounted and top or mpstat could tell user/admin that cpu was 100 % idle, 0.00 % irq, 0.00 % softirq, while it was not. [ Impact: fix occasionally incorrect CPU statistics in top/mpstat ] Reported-by: Andrew Gallatin Re-reported-by: Andrew Morton Signed-off-by: Eric Dumazet Acked-by: Martin Schwidefsky Cc: rick.jones2@hp.com Cc: brice@myri.com Cc: Paul Mackerras Cc: Benjamin Herrenschmidt LKML-Reference: <49F84BC1.7080602@cosmosbay.com> Signed-off-by: Ingo Molnar --- kernel/sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched.c b/kernel/sched.c index b902e587a3a0..26efa475bdc1 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4732,7 +4732,7 @@ void account_process_tick(struct task_struct *p, int user_tick) if (user_tick) account_user_time(p, one_jiffy, one_jiffy_scaled); - else if (p != rq->idle) + else if ((p != rq->idle) || (irq_count() != HARDIRQ_OFFSET)) account_system_time(p, HARDIRQ_OFFSET, one_jiffy, one_jiffy_scaled); else From 89092ddd7aca598e3b8874f7a49216e7917d8f3f Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Wed, 29 Apr 2009 17:12:12 +0200 Subject: [PATCH 269/478] HID: fix possible deadlock in usbhid_close() This patch switches usbhid_close() from flush_scheduled_work() to canceling the outstanding work. This fixes a possible deadlock due to work taking the mutex usbhid_close() holds. Lockdep reported the problem. Signed-off-by: Oliver Neukum -- Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 4306cb1b8ce5..900ce18dd549 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -662,8 +662,8 @@ void usbhid_close(struct hid_device *hid) spin_lock_irq(&usbhid->lock); if (!--hid->open) { spin_unlock_irq(&usbhid->lock); + hid_cancel_delayed_stuff(usbhid); usb_kill_urb(usbhid->urbin); - flush_scheduled_work(); usbhid->intf->needs_remote_wakeup = 0; } else { spin_unlock_irq(&usbhid->lock); From 7e31a966ad270ba32a77c157c015cd7c82faaa55 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 29 Apr 2009 01:20:55 +0800 Subject: [PATCH 270/478] ocfs2/trivial: Remove unused variable in ocfs2_rename. With indexed dir enabled, now we use ocfs2_dir_lookup_result to wrap all the bh used for dir. So remove the 2 unused variables. Signed-off-by: Tao Ma Signed-off-by: Joel Becker --- fs/ocfs2/namei.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 2220f93f668b..33464c6b60a2 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -1025,10 +1025,8 @@ static int ocfs2_rename(struct inode *old_dir, struct inode *orphan_dir = NULL; struct ocfs2_dinode *newfe = NULL; char orphan_name[OCFS2_ORPHAN_NAMELEN + 1]; - struct buffer_head *orphan_entry_bh = NULL; struct buffer_head *newfe_bh = NULL; struct buffer_head *old_inode_bh = NULL; - struct buffer_head *insert_entry_bh = NULL; struct ocfs2_super *osb = NULL; u64 newfe_blkno, old_de_ino; handle_t *handle = NULL; @@ -1455,8 +1453,6 @@ bail: brelse(old_inode_bh); brelse(old_dir_bh); brelse(new_dir_bh); - brelse(orphan_entry_bh); - brelse(insert_entry_bh); mlog_exit(status); From 92ab9baee3e075e4d84d9b74f6da5b047539e323 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Mon, 13 Apr 2009 21:43:31 -0300 Subject: [PATCH 271/478] V4L/DVB (11494): cx18: Send correct input routing value to external audio multiplexers A late v4l2_subdev framework change accidentally sent the audio input routing value to the external multiplexer, instead of the muxer input routing value to the external multiplexer. This change corrects that error. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-audio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c index 1519e91c677a..7a8ad5963de8 100644 --- a/drivers/media/video/cx18/cx18-audio.c +++ b/drivers/media/video/cx18/cx18-audio.c @@ -44,7 +44,7 @@ int cx18_audio_set_io(struct cx18 *cx) /* handle muxer chips */ v4l2_subdev_call(cx->sd_extmux, audio, s_routing, - in->audio_input, 0, 0); + (u32) in->muxer_input, 0, 0); err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl, audio, s_routing, in->audio_input, 0, 0); From 3964b58a25fdca066011600bf58b38d00e9ae28d Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Apr 2009 13:56:58 -0300 Subject: [PATCH 272/478] V4L/DVB (11494a): cx231xx Kconfig fixes selecting ALSA module breaks if !SND. Just remove select. While here, let's fix the whitespacing at the Kconfig. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx231xx/Kconfig | 44 ++++++++++++++--------------- 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/drivers/media/video/cx231xx/Kconfig b/drivers/media/video/cx231xx/Kconfig index 91156546a07a..477d4ab5e9ac 100644 --- a/drivers/media/video/cx231xx/Kconfig +++ b/drivers/media/video/cx231xx/Kconfig @@ -1,12 +1,11 @@ config VIDEO_CX231XX - tristate "Conexant cx231xx USB video capture support" - depends on VIDEO_DEV && I2C && INPUT - select VIDEO_TUNER - select VIDEO_TVEEPROM - select VIDEO_IR - select VIDEOBUF_VMALLOC - select VIDEO_CX25840 - select VIDEO_CX231XX_ALSA + tristate "Conexant cx231xx USB video capture support" + depends on VIDEO_DEV && I2C && INPUT + select VIDEO_TUNER + select VIDEO_TVEEPROM + select VIDEO_IR + select VIDEOBUF_VMALLOC + select VIDEO_CX25840 ---help--- This is a video4linux driver for Conexant 231xx USB based TV cards. @@ -15,21 +14,22 @@ config VIDEO_CX231XX module will be called cx231xx config VIDEO_CX231XX_ALSA - tristate "Conexant Cx231xx ALSA audio module" - depends on VIDEO_CX231XX && SND - select SND_PCM + tristate "Conexant Cx231xx ALSA audio module" + depends on VIDEO_CX231XX && SND + select SND_PCM - ---help--- - This is an ALSA driver for Cx231xx USB based TV cards. + ---help--- + This is an ALSA driver for Cx231xx USB based TV cards. - To compile this driver as a module, choose M here: the - module will be called cx231xx-alsa + To compile this driver as a module, choose M here: the + module will be called cx231xx-alsa config VIDEO_CX231XX_DVB - tristate "DVB/ATSC Support for Cx231xx based TV cards" - depends on VIDEO_CX231XX && DVB_CORE - select VIDEOBUF_DVB - select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMISE - ---help--- - This adds support for DVB cards based on the - Conexant cx231xx chips. + tristate "DVB/ATSC Support for Cx231xx based TV cards" + depends on VIDEO_CX231XX && DVB_CORE + select VIDEOBUF_DVB + select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMISE + + ---help--- + This adds support for DVB cards based on the + Conexant cx231xx chips. From 5b83cfa98569663b6fa6cda85a1f2fd371a082c7 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 14 Apr 2009 19:50:33 -0300 Subject: [PATCH 273/478] V4L/DVB (11515): drivers/media/video/saa5249.c: fix use-after-free and leak I moved the kfree() down a couple lines. t->vdev is going to be in freed memory so there is no point setting it to NULL. I added a kfree(t) on a Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa5249.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 48b27fe48087..271d6e931b75 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -598,6 +598,7 @@ static int saa5249_probe(struct i2c_client *client, /* Now create a video4linux device */ t->vdev = video_device_alloc(); if (t->vdev == NULL) { + kfree(t); kfree(client); return -ENOMEM; } @@ -617,9 +618,8 @@ static int saa5249_probe(struct i2c_client *client, /* Register it */ err = video_register_device(t->vdev, VFL_TYPE_VTX, -1); if (err < 0) { - kfree(t); video_device_release(t->vdev); - t->vdev = NULL; + kfree(t); return err; } return 0; From 9401608bb34be14960311dbb91d4a82ee07a03fa Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 14 Apr 2009 19:51:30 -0300 Subject: [PATCH 274/478] V4L/DVB (11516): drivers/media/video/saa5246a.c: fix use-after-free I lowered the kfree(t) down a couple lines and removed the superflous "t->vdev = NULL;" Signed-off-by: Dan Carpenter Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa5246a.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index da47b2f05288..155804b061e9 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -1092,9 +1092,8 @@ static int saa5246a_probe(struct i2c_client *client, /* Register it */ err = video_register_device(t->vdev, VFL_TYPE_VTX, -1); if (err < 0) { - kfree(t); video_device_release(t->vdev); - t->vdev = NULL; + kfree(t); return err; } return 0; From a357482a1e8fdd39f0a58c33ed2ffd0f1becb825 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Tue, 21 Apr 2009 04:22:38 -0300 Subject: [PATCH 275/478] V4L/DVB (11561a): move media after i2c Currently drivers/media drivers are linked very early - directly after base, block, misc, and mfd and before ata, scsi, ide, input, firewire, usb, and i2c. This breaks static build of video4linux drivers, that use generic CPU i2c adapter drivers and the v4l2-subdev subsystem, because during video4linux probing the v4l2-subdev core requires a struct i2c_adapter context, which cannot be satisfied before the i2c subsystem is initialised. Moving drivers/media after drivers/i2c fixes this problem. The best way to trigger action is by submitting a patch:-) So, let's see what comes out of it - on the one hand I don't see any reason why media has to be linked this early, and nobody was able to give me one yesterday as this problem has been discussed on linux-media, OTOH, maybe indeed it would be better to move i2c the whole way up above media, but that'd be much bigger of a change, I think. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Signed-off-by: Guennadi Liakhovetski Acked-by: Jean Delvare Signed-off-by: Mauro Carvalho Chehab --- drivers/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/Makefile b/drivers/Makefile index 2618a6169a13..1266ead6ace0 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -36,7 +36,7 @@ obj-$(CONFIG_FB_INTEL) += video/intelfb/ obj-y += serial/ obj-$(CONFIG_PARPORT) += parport/ -obj-y += base/ block/ misc/ mfd/ media/ +obj-y += base/ block/ misc/ mfd/ obj-$(CONFIG_NUBUS) += nubus/ obj-y += macintosh/ obj-$(CONFIG_IDE) += ide/ @@ -71,7 +71,7 @@ obj-$(CONFIG_GAMEPORT) += input/gameport/ obj-$(CONFIG_INPUT) += input/ obj-$(CONFIG_I2O) += message/ obj-$(CONFIG_RTC_LIB) += rtc/ -obj-y += i2c/ +obj-y += i2c/ media/ obj-$(CONFIG_W1) += w1/ obj-$(CONFIG_POWER_SUPPLY) += power/ obj-$(CONFIG_HWMON) += hwmon/ From 272aa3966b3244e576c5c07bfff77ea320b89317 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Fri, 17 Apr 2009 10:56:51 -0300 Subject: [PATCH 276/478] V4L/DVB (11568): cx18: Fix the handling of i2c bus registration error * Return actual error values as returned by the i2c subsystem, rather than 0 or 1. * If the registration of the second bus fails, unregister the first one before exiting, otherwise we are leaking resources. Signed-off-by: Jean Delvare Acked-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-i2c.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c index b9b7064a2be8..8591e4fc359f 100644 --- a/drivers/media/video/cx18/cx18-i2c.c +++ b/drivers/media/video/cx18/cx18-i2c.c @@ -211,7 +211,7 @@ static struct i2c_algo_bit_data cx18_i2c_algo_template = { /* init + register i2c algo-bit adapter */ int init_cx18_i2c(struct cx18 *cx) { - int i; + int i, err; CX18_DEBUG_I2C("i2c init\n"); for (i = 0; i < 2; i++) { @@ -268,8 +268,18 @@ int init_cx18_i2c(struct cx18 *cx) cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset, (u32) CX18_GPIO_RESET_I2C); - return i2c_bit_add_bus(&cx->i2c_adap[0]) || - i2c_bit_add_bus(&cx->i2c_adap[1]); + err = i2c_bit_add_bus(&cx->i2c_adap[0]); + if (err) + goto err; + err = i2c_bit_add_bus(&cx->i2c_adap[1]); + if (err) + goto err_del_bus_0; + return 0; + + err_del_bus_0: + i2c_del_adapter(&cx->i2c_adap[0]); + err: + return err; } void exit_cx18_i2c(struct cx18 *cx) From 9d63cec16829ac3600c5014d207a659df3b93c9a Mon Sep 17 00:00:00 2001 From: Dean Anderson Date: Mon, 20 Apr 2009 19:07:44 -0300 Subject: [PATCH 277/478] V4L/DVB (11570): patch: s2255drv: fix race condition on set mode set_modeready flag must be set before command sent to USB in s2255_write_config. Signed-off-by: Dean Anderson Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/s2255drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index 5202cadb2aae..30f4698be90a 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -1237,6 +1237,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, buffer[1] = (u32) chn_rev; buffer[2] = CMD_SET_MODE; memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode)); + dev->setmode_ready[chn] = 0; res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); if (debug) dump_verify_mode(dev, mode); @@ -1245,7 +1246,6 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, /* wait at least 3 frames before continuing */ if (mode->restart) { - dev->setmode_ready[chn] = 0; wait_event_timeout(dev->wait_setmode[chn], (dev->setmode_ready[chn] != 0), msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); From e39c9047975f4302354c16c33eecfe59946d3fc4 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 24 Apr 2009 12:58:24 -0300 Subject: [PATCH 278/478] V4L/DVB (11612): mx3_camera: Fix compilation with CONFIG_PM Signed-off-by: Sascha Hauer Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mx3_camera.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index c462b811e994..2d0781118eb0 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -1063,10 +1063,6 @@ static struct soc_camera_host_ops mx3_soc_camera_host_ops = { .owner = THIS_MODULE, .add = mx3_camera_add_device, .remove = mx3_camera_remove_device, -#ifdef CONFIG_PM - .suspend = mx3_camera_suspend, - .resume = mx3_camera_resume, -#endif .set_crop = mx3_camera_set_crop, .set_fmt = mx3_camera_set_fmt, .try_fmt = mx3_camera_try_fmt, From d4dc673da9a94716ca2410306c1b36b5faf6c4cc Mon Sep 17 00:00:00 2001 From: Christopher Pascoe Date: Mon, 27 Apr 2009 11:27:04 -0300 Subject: [PATCH 279/478] V4L/DVB (11626): cx23885: Two fixes for DViCO FusionHDTV DVB-T Dual Express Two fixes for DViCO FusionHDTV DVB-T Dual Express: * Reset correct tuner when reinitializing xc3028. * Disable the I2C gate control to avoid locking up the I2C bus. Tested-by: John Knops Reviewed-by: Steven Toth Signed-off-by: Christopher Pascoe Signed-off-by: Devin Heitmueller Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-cards.c | 4 ++-- drivers/media/video/cx23885/cx23885-dvb.c | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index a3c0565be1a9..6d6293f7d428 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -441,9 +441,9 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg) case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: /* Two identical tuners on two different i2c buses, * we need to reset the correct gpio. */ - if (port->nr == 0) + if (port->nr == 1) bitmask = 0x01; - else if (port->nr == 1) + else if (port->nr == 2) bitmask = 0x04; break; } diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index f48454ab3900..0c49a98213c4 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -314,6 +314,7 @@ static struct zl10353_config dvico_fusionhdtv_xc3028 = { .demod_address = 0x0f, .if2 = 45600, .no_tuner = 1, + .disable_i2c_gate_ctrl = 1, }; static struct stv0900_config netup_stv0900_config = { From fe78a49c8ae009d33d6e2c80d4f7f2634440d523 Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Tue, 28 Apr 2009 13:14:07 -0300 Subject: [PATCH 280/478] V4L/DVB (11652): au0828: fix kernel oops regression on USB disconnect. A regression was introduced in hg changeset 33810c734a0d, which resulted in a kernel panic whenever the device was disconnected from USB. The call to 4l2_device_register() was overwriting the pointer for usb_set_intfdata(), so when au0828_usb_disconnect() was called, the usb_get_intfdata() returned a pointer to the v4l2_device instead of the au0828_dev structure. Signed-off-by: Devin Heitmueller Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/au0828/au0828-core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c index 4cee0b92eeee..a1e4c0d769a6 100644 --- a/drivers/media/video/au0828/au0828-core.c +++ b/drivers/media/video/au0828/au0828-core.c @@ -192,8 +192,6 @@ static int au0828_usb_probe(struct usb_interface *interface, dev->usbdev = usbdev; dev->boardnr = id->driver_info; - usb_set_intfdata(interface, dev); - /* Create the v4l2_device */ retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); if (retval) { @@ -222,6 +220,10 @@ static int au0828_usb_probe(struct usb_interface *interface, /* Digital TV */ au0828_dvb_register(dev); + /* Store the pointer to the au0828_dev so it can be accessed in + au0828_usb_disconnect */ + usb_set_intfdata(interface, dev); + printk(KERN_INFO "Registered device AU0828 [%s]\n", dev->board.name == NULL ? "Unset" : dev->board.name); From d4c4a9a1bce1912ed5681251f0037fd4f2364a3e Mon Sep 17 00:00:00 2001 From: Alan Jenkins Date: Wed, 29 Apr 2009 11:41:24 +0100 Subject: [PATCH 281/478] mac80211: fix modprobe deadlock by not calling wep_init under rtnl_lock - ieee80211_wep_init(), which is called with rtnl_lock held, blocks in request_module() [waiting for modprobe to load a crypto module]. - modprobe blocks in a call to flush_workqueue(), when it closes a TTY [presumably when it exits]. - The workqueue item linkwatch_event() blocks on rtnl_lock. There's no reason for wep_init() to be called with rtnl_lock held, so just move it outside the critical section. Signed-off-by: Alan Jenkins Signed-off-by: John W. Linville --- net/mac80211/main.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index fbcbed6cad01..00968c2d22bb 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -909,6 +909,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (result < 0) goto fail_sta_info; + result = ieee80211_wep_init(local); + if (result < 0) { + printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n", + wiphy_name(local->hw.wiphy), result); + goto fail_wep; + } + rtnl_lock(); result = dev_alloc_name(local->mdev, local->mdev->name); if (result < 0) @@ -930,14 +937,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) goto fail_rate; } - result = ieee80211_wep_init(local); - - if (result < 0) { - printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n", - wiphy_name(local->hw.wiphy), result); - goto fail_wep; - } - /* add one default STA interface if supported */ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { result = ieee80211_if_add(local, "wlan%d", NULL, @@ -967,13 +966,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) return 0; -fail_wep: - rate_control_deinitialize(local); fail_rate: unregister_netdevice(local->mdev); local->mdev = NULL; fail_dev: rtnl_unlock(); + ieee80211_wep_free(local); +fail_wep: sta_info_stop(local); fail_sta_info: debugfs_hw_del(local); From c428c89201a57a0ce24c37ed79e540d1f4101cf3 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 29 Apr 2009 00:28:18 +0200 Subject: [PATCH 282/478] mac80211: default to automatic power control In "mac80211: correct wext transmit power handler" I fixed the wext handler, but forgot to make the default of the user_power_level -1 (aka "auto"), so that now the transmit power is always set to 0, causing associations to time out and similar problems since we're transmitting with very little power. Correct this by correcting the default user_power_level to -1. Signed-off-by: Johannes Berg Bisected-by: Niel Lambrechts Signed-off-by: John W. Linville --- net/mac80211/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 00968c2d22bb..14134193cd17 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -757,6 +757,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, local->hw.conf.long_frame_max_tx_count = 4; local->hw.conf.short_frame_max_tx_count = 7; local->hw.conf.radio_enabled = true; + local->user_power_level = -1; INIT_LIST_HEAD(&local->interfaces); mutex_init(&local->iflist_mtx); From 1319ebadf185933e6b7ff95211d3cef9004e9754 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Wed, 29 Apr 2009 11:57:34 +0000 Subject: [PATCH 283/478] mv643xx_eth: OOM handling fixes Currently, when OOM occurs during rx ring refill, mv643xx_eth will get into an infinite loop, due to the refill function setting the OOM bit but not clearing the 'rx refill needed' bit for this queue, while the calling function (the NAPI poll handler) will call the refill function in a loop until the 'rx refill needed' bit goes off, without checking the OOM bit. This patch fixes this by checking the OOM bit in the NAPI poll handler before attempting to do rx refill. This means that once OOM occurs, we won't try to do any memory allocations again until the next invocation of the poll handler. While we're at it, change the OOM flag to be a single bit instead of one bit per receive queue since OOM is a system state rather than a per-queue state, and cancel the OOM timer on entry to the NAPI poll handler if it's running to prevent it from firing when we've already come out of OOM. Signed-off-by: Lennert Buytenhek Cc: stable@kernel.org Signed-off-by: David S. Miller --- drivers/net/mv643xx_eth.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index b3185bf2c158..038beff7da80 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -393,12 +393,12 @@ struct mv643xx_eth_private { struct work_struct tx_timeout_task; struct napi_struct napi; + u8 oom; u8 work_link; u8 work_tx; u8 work_tx_end; u8 work_rx; u8 work_rx_refill; - u8 work_rx_oom; int skb_size; struct sk_buff_head rx_recycle; @@ -661,7 +661,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget) dma_get_cache_alignment() - 1); if (skb == NULL) { - mp->work_rx_oom |= 1 << rxq->index; + mp->oom = 1; goto oom; } @@ -2167,8 +2167,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) mp = container_of(napi, struct mv643xx_eth_private, napi); - mp->work_rx_refill |= mp->work_rx_oom; - mp->work_rx_oom = 0; + if (unlikely(mp->oom)) { + mp->oom = 0; + del_timer(&mp->rx_oom); + } work_done = 0; while (work_done < budget) { @@ -2182,8 +2184,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) continue; } - queue_mask = mp->work_tx | mp->work_tx_end | - mp->work_rx | mp->work_rx_refill; + queue_mask = mp->work_tx | mp->work_tx_end | mp->work_rx; + if (likely(!mp->oom)) + queue_mask |= mp->work_rx_refill; + if (!queue_mask) { if (mv643xx_eth_collect_events(mp)) continue; @@ -2204,7 +2208,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) txq_maybe_wake(mp->txq + queue); } else if (mp->work_rx & queue_mask) { work_done += rxq_process(mp->rxq + queue, work_tbd); - } else if (mp->work_rx_refill & queue_mask) { + } else if (!mp->oom && (mp->work_rx_refill & queue_mask)) { work_done += rxq_refill(mp->rxq + queue, work_tbd); } else { BUG(); @@ -2212,7 +2216,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) } if (work_done < budget) { - if (mp->work_rx_oom) + if (mp->oom) mod_timer(&mp->rx_oom, jiffies + (HZ / 10)); napi_complete(napi); wrlp(mp, INT_MASK, INT_TX_END | INT_RX | INT_EXT); @@ -2372,7 +2376,7 @@ static int mv643xx_eth_open(struct net_device *dev) rxq_refill(mp->rxq + i, INT_MAX); } - if (mp->work_rx_oom) { + if (mp->oom) { mp->rx_oom.expires = jiffies + (HZ / 10); add_timer(&mp->rx_oom); } From 93af7aca44f0e82e67bda10a0fb73d383edcc8bd Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Wed, 29 Apr 2009 11:58:18 +0000 Subject: [PATCH 284/478] mv643xx_eth: 64bit mib counter read fix On several mv643xx_eth hardware versions, the two 64bit mib counters for 'good octets received' and 'good octets sent' are actually 32bit counters, and reading from the upper half of the register has the same effect as reading from the lower half of the register: an atomic read-and-clear of the entire 32bit counter value. This can under heavy traffic occasionally lead to small numbers being added to the upper half of the 64bit mib counter even though no 32bit wrap has occured. Since we poll the mib counters at least every 30 seconds anyway, we might as well just skip the reads of the upper halves of the hardware counters without breaking the stats, which this patch does. Signed-off-by: Lennert Buytenhek Cc: stable@kernel.org Signed-off-by: David S. Miller --- drivers/net/mv643xx_eth.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 038beff7da80..a400d7115f78 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1255,7 +1255,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) spin_lock_bh(&mp->mib_counters_lock); p->good_octets_received += mib_read(mp, 0x00); - p->good_octets_received += (u64)mib_read(mp, 0x04) << 32; p->bad_octets_received += mib_read(mp, 0x08); p->internal_mac_transmit_err += mib_read(mp, 0x0c); p->good_frames_received += mib_read(mp, 0x10); @@ -1269,7 +1268,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) p->frames_512_to_1023_octets += mib_read(mp, 0x30); p->frames_1024_to_max_octets += mib_read(mp, 0x34); p->good_octets_sent += mib_read(mp, 0x38); - p->good_octets_sent += (u64)mib_read(mp, 0x3c) << 32; p->good_frames_sent += mib_read(mp, 0x40); p->excessive_collision += mib_read(mp, 0x44); p->multicast_frames_sent += mib_read(mp, 0x48); From 091438dd5668396328a3419abcbc6591159eb8d1 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 29 Apr 2009 21:48:16 -0700 Subject: [PATCH 285/478] Linux 2.6.30-rc4 --- Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 9e5dc8f0ef47..eb38c8399261 100644 --- a/Makefile +++ b/Makefile @@ -1,8 +1,8 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 30 -EXTRAVERSION = -rc3 -NAME = Temporary Tasmanian Devil +EXTRAVERSION = -rc4 +NAME = Vindictive Armadillo # *DOCUMENTATION* # To see a list of typical targets execute "make help" From def6b3ba56b637d58126ef67fc19bab57945fcc4 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Thu, 23 Apr 2009 22:18:00 -0400 Subject: [PATCH 286/478] xfs_file_last_byte() needs to acquire ilock We had some systems crash with this stack: [] ia64_leave_kernel+0x0/0x280 [] xfs_bmbt_get_startoff+0x0/0x20 [xfs] [] xfs_bmap_last_offset+0x210/0x280 [xfs] [] xfs_file_last_byte+0x70/0x1a0 [xfs] [] xfs_itruncate_start+0xc0/0x1a0 [xfs] [] xfs_inactive_free_eofblocks+0x290/0x460 [xfs] [] xfs_release+0x1b0/0x240 [xfs] [] xfs_file_release+0x70/0xa0 [xfs] [] __fput+0x1a0/0x420 [] fput+0x40/0x60 The problem here is that xfs_file_last_byte() does not acquire the inode lock and can therefore race with another thread that is modifying the extext list. While xfs_bmap_last_offset() is trying to lookup what was the last extent some extents were merged and the extent list shrunk so the index we lookup is now beyond the end of the extent list and potentially in a freed buffer. Signed-off-by: Lachlan McIlroy Reviewed-by: Christoph Hellwig Reviewed-by: Felix Blyakher Signed-off-by: Felix Blyakher --- fs/xfs/xfs_inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index e7ae08d1df48..123b20c8cbf2 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1258,8 +1258,10 @@ xfs_file_last_byte( * necessary. */ if (ip->i_df.if_flags & XFS_IFEXTENTS) { + xfs_ilock(ip, XFS_ILOCK_SHARED); error = xfs_bmap_last_offset(NULL, ip, &last_block, XFS_DATA_FORK); + xfs_iunlock(ip, XFS_ILOCK_SHARED); if (error) { last_block = 0; } From b9ec9068d79e039507a247ebc5bc9c0ce53654ce Mon Sep 17 00:00:00 2001 From: Olaf Weber Date: Fri, 17 Apr 2009 16:12:45 -0500 Subject: [PATCH 287/478] xfs: add more checks to superblock validation There had been reports where xfs filesystem was randomly corrupted with fsfuzzer, and xfs failed to handle it gracefully. This patch fixes couple of reported problem by providing additional checks in the superblock validation routine. Signed-off-by: Olaf Weber Reviewed-by: Josef 'Jeff' Sipek Reviewed-by: Christoph Hellwig Signed-off-by: Felix Blyakher --- fs/xfs/xfs_mount.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index b101990df027..65a99725d0cc 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -291,14 +291,17 @@ xfs_mount_validate_sb( sbp->sb_sectsize > XFS_MAX_SECTORSIZE || sbp->sb_sectlog < XFS_MIN_SECTORSIZE_LOG || sbp->sb_sectlog > XFS_MAX_SECTORSIZE_LOG || + sbp->sb_sectsize != (1 << sbp->sb_sectlog) || sbp->sb_blocksize < XFS_MIN_BLOCKSIZE || sbp->sb_blocksize > XFS_MAX_BLOCKSIZE || sbp->sb_blocklog < XFS_MIN_BLOCKSIZE_LOG || sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG || + sbp->sb_blocksize != (1 << sbp->sb_blocklog) || sbp->sb_inodesize < XFS_DINODE_MIN_SIZE || sbp->sb_inodesize > XFS_DINODE_MAX_SIZE || sbp->sb_inodelog < XFS_DINODE_MIN_LOG || sbp->sb_inodelog > XFS_DINODE_MAX_LOG || + sbp->sb_inodesize != (1 << sbp->sb_inodelog) || (sbp->sb_blocklog - sbp->sb_inodelog != sbp->sb_inopblog) || (sbp->sb_rextsize * sbp->sb_blocksize > XFS_MAX_RTEXTSIZE) || (sbp->sb_rextsize * sbp->sb_blocksize < XFS_MIN_RTEXTSIZE) || From 5f79ed685fc6122018c4b5826e2e5bdb7bc6f109 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 29 Apr 2009 10:50:48 -0400 Subject: [PATCH 288/478] xfs: a couple getbmap cleanups - reshuffle various conditionals for data vs attr fork to make the code more readable - do fine-grainded goto-based error handling - exit early from conditionals instead of keeping a long else branch around - allow kmem_alloc to fail Signed-off-by: Christoph Hellwig Reviewed-by: Eric Sandeen Reviewed-by: Felix Blyakher Signed-off-by: Felix Blyakher --- fs/xfs/xfs_bmap.c | 164 ++++++++++++++++++++++------------------------ 1 file changed, 80 insertions(+), 84 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 3a6ed426327a..abe42448b1c0 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -5880,7 +5880,7 @@ xfs_getbmap( void *arg) /* formatter arg */ { __int64_t bmvend; /* last block requested */ - int error; /* return value */ + int error = 0; /* return value */ __int64_t fixlen; /* length for -1 case */ int i; /* extent number */ int lock; /* lock state */ @@ -5899,30 +5899,8 @@ xfs_getbmap( mp = ip->i_mount; iflags = bmv->bmv_iflags; - whichfork = iflags & BMV_IF_ATTRFORK ? XFS_ATTR_FORK : XFS_DATA_FORK; - /* If the BMV_IF_NO_DMAPI_READ interface bit specified, do not - * generate a DMAPI read event. Otherwise, if the DM_EVENT_READ - * bit is set for the file, generate a read event in order - * that the DMAPI application may do its thing before we return - * the extents. Usually this means restoring user file data to - * regions of the file that look like holes. - * - * The "old behavior" (from XFS_IOC_GETBMAP) is to not specify - * BMV_IF_NO_DMAPI_READ so that read events are generated. - * If this were not true, callers of ioctl( XFS_IOC_GETBMAP ) - * could misinterpret holes in a DMAPI file as true holes, - * when in fact they may represent offline user data. - */ - if ((iflags & BMV_IF_NO_DMAPI_READ) == 0 && - DM_EVENT_ENABLED(ip, DM_EVENT_READ) && - whichfork == XFS_DATA_FORK) { - error = XFS_SEND_DATA(mp, DM_EVENT_READ, ip, 0, 0, 0, NULL); - if (error) - return XFS_ERROR(error); - } - if (whichfork == XFS_ATTR_FORK) { if (XFS_IFORK_Q(ip)) { if (ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS && @@ -5936,11 +5914,37 @@ xfs_getbmap( ip->i_mount); return XFS_ERROR(EFSCORRUPTED); } - } else if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && - ip->i_d.di_format != XFS_DINODE_FMT_BTREE && - ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EINVAL); - if (whichfork == XFS_DATA_FORK) { + + prealloced = 0; + fixlen = 1LL << 32; + } else { + /* + * If the BMV_IF_NO_DMAPI_READ interface bit specified, do + * not generate a DMAPI read event. Otherwise, if the + * DM_EVENT_READ bit is set for the file, generate a read + * event in order that the DMAPI application may do its thing + * before we return the extents. Usually this means restoring + * user file data to regions of the file that look like holes. + * + * The "old behavior" (from XFS_IOC_GETBMAP) is to not specify + * BMV_IF_NO_DMAPI_READ so that read events are generated. + * If this were not true, callers of ioctl(XFS_IOC_GETBMAP) + * could misinterpret holes in a DMAPI file as true holes, + * when in fact they may represent offline user data. + */ + if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && + !(iflags & BMV_IF_NO_DMAPI_READ)) { + error = XFS_SEND_DATA(mp, DM_EVENT_READ, ip, + 0, 0, 0, NULL); + if (error) + return XFS_ERROR(error); + } + + if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && + ip->i_d.di_format != XFS_DINODE_FMT_BTREE && + ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) + return XFS_ERROR(EINVAL); + if (xfs_get_extsz_hint(ip) || ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)){ prealloced = 1; @@ -5949,42 +5953,34 @@ xfs_getbmap( prealloced = 0; fixlen = ip->i_size; } - } else { - prealloced = 0; - fixlen = 1LL << 32; } if (bmv->bmv_length == -1) { fixlen = XFS_FSB_TO_BB(mp, XFS_B_TO_FSB(mp, fixlen)); - bmv->bmv_length = MAX( (__int64_t)(fixlen - bmv->bmv_offset), - (__int64_t)0); - } else if (bmv->bmv_length < 0) - return XFS_ERROR(EINVAL); - if (bmv->bmv_length == 0) { + bmv->bmv_length = + max_t(__int64_t, fixlen - bmv->bmv_offset, 0); + } else if (bmv->bmv_length == 0) { bmv->bmv_entries = 0; return 0; + } else if (bmv->bmv_length < 0) { + return XFS_ERROR(EINVAL); } + nex = bmv->bmv_count - 1; if (nex <= 0) return XFS_ERROR(EINVAL); bmvend = bmv->bmv_offset + bmv->bmv_length; xfs_ilock(ip, XFS_IOLOCK_SHARED); - - if (((iflags & BMV_IF_DELALLOC) == 0) && - (whichfork == XFS_DATA_FORK) && - (ip->i_delayed_blks || ip->i_size > ip->i_d.di_size)) { - /* xfs_fsize_t last_byte = xfs_file_last_byte(ip); */ - error = xfs_flush_pages(ip, (xfs_off_t)0, - -1, 0, FI_REMAPF); - if (error) { - xfs_iunlock(ip, XFS_IOLOCK_SHARED); - return error; + if (whichfork == XFS_DATA_FORK && !(iflags & BMV_IF_DELALLOC)) { + if (ip->i_delayed_blks || ip->i_size > ip->i_d.di_size) { + error = xfs_flush_pages(ip, 0, -1, 0, FI_REMAPF); + if (error) + goto out_unlock_iolock; } - } - ASSERT(whichfork == XFS_ATTR_FORK || (iflags & BMV_IF_DELALLOC) || - ip->i_delayed_blks == 0); + ASSERT(ip->i_delayed_blks == 0); + } lock = xfs_ilock_map_shared(ip); @@ -5995,23 +5991,25 @@ xfs_getbmap( if (nex > XFS_IFORK_NEXTENTS(ip, whichfork) * 2 + 1) nex = XFS_IFORK_NEXTENTS(ip, whichfork) * 2 + 1; - bmapi_flags = xfs_bmapi_aflag(whichfork) | - ((iflags & BMV_IF_PREALLOC) ? 0 : XFS_BMAPI_IGSTATE); + bmapi_flags = xfs_bmapi_aflag(whichfork); + if (!(iflags & BMV_IF_PREALLOC)) + bmapi_flags |= XFS_BMAPI_IGSTATE; /* * Allocate enough space to handle "subnex" maps at a time. */ + error = ENOMEM; subnex = 16; - map = kmem_alloc(subnex * sizeof(*map), KM_SLEEP); + map = kmem_alloc(subnex * sizeof(*map), KM_MAYFAIL); + if (!map) + goto out_unlock_ilock; bmv->bmv_entries = 0; - if ((XFS_IFORK_NEXTENTS(ip, whichfork) == 0)) { - if (((iflags & BMV_IF_DELALLOC) == 0) || - whichfork == XFS_ATTR_FORK) { - error = 0; - goto unlock_and_return; - } + if (XFS_IFORK_NEXTENTS(ip, whichfork) == 0 && + (whichfork == XFS_ATTR_FORK || !(iflags & BMV_IF_DELALLOC))) { + error = 0; + goto out_free_map; } nexleft = nex; @@ -6023,10 +6021,12 @@ xfs_getbmap( bmapi_flags, NULL, 0, map, &nmap, NULL, NULL); if (error) - goto unlock_and_return; + goto out_free_map; ASSERT(nmap <= subnex); for (i = 0; i < nmap && nexleft && bmv->bmv_length; i++) { + int full = 0; /* user array is full */ + out.bmv_oflags = 0; if (map[i].br_state == XFS_EXT_UNWRITTEN) out.bmv_oflags |= BMV_OF_PREALLOC; @@ -6041,36 +6041,32 @@ xfs_getbmap( whichfork == XFS_ATTR_FORK) { /* came to the end of attribute fork */ out.bmv_oflags |= BMV_OF_LAST; - goto unlock_and_return; - } else { - int full = 0; /* user array is full */ - - if (!xfs_getbmapx_fix_eof_hole(ip, &out, - prealloced, bmvend, - map[i].br_startblock)) { - goto unlock_and_return; - } - - /* format results & advance arg */ - error = formatter(&arg, &out, &full); - if (error || full) - goto unlock_and_return; - nexleft--; - bmv->bmv_offset = - out.bmv_offset + out.bmv_length; - bmv->bmv_length = MAX((__int64_t)0, - (__int64_t)(bmvend - bmv->bmv_offset)); - bmv->bmv_entries++; + goto out_free_map; } + + if (!xfs_getbmapx_fix_eof_hole(ip, &out, prealloced, + bmvend, map[i].br_startblock)) + goto out_free_map; + + /* format results & advance arg */ + error = formatter(&arg, &out, &full); + if (error || full) + goto out_free_map; + nexleft--; + bmv->bmv_offset = + out.bmv_offset + out.bmv_length; + bmv->bmv_length = + max_t(__int64_t, 0, bmvend - bmv->bmv_offset); + bmv->bmv_entries++; } } while (nmap && nexleft && bmv->bmv_length); -unlock_and_return: - xfs_iunlock_map_shared(ip, lock); - xfs_iunlock(ip, XFS_IOLOCK_SHARED); - + out_free_map: kmem_free(map); - + out_unlock_ilock: + xfs_iunlock_map_shared(ip, lock); + out_unlock_iolock: + xfs_iunlock(ip, XFS_IOLOCK_SHARED); return error; } From 28e211700a81b0a934b6c7a4b8e7dda843634d2f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 24 Feb 2009 08:39:02 -0500 Subject: [PATCH 289/478] xfs: fix getbmap vs mmap deadlock xfs_getbmap (or rather the formatters called by it) copy out the getbmap structures under the ilock, which can deadlock against mmap. This has been reported via bugzilla a while ago (#717) and has recently also shown up via lockdep. So allocate a temporary buffer to format the kernel getbmap structures into and then copy them out after dropping the locks. A little problem with this is that we limit the number of extents we can copy out by the maximum allocation size, but I see no real way around that. Signed-off-by: Christoph Hellwig Reviewed-by: Eric Sandeen Reviewed-by: Felix Blyakher Signed-off-by: Felix Blyakher --- fs/xfs/xfs_bmap.c | 52 +++++++++++++++++++++++++++++++---------------- 1 file changed, 35 insertions(+), 17 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index abe42448b1c0..ca7c6005a487 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -5890,12 +5890,13 @@ xfs_getbmap( int nexleft; /* # of user extents left */ int subnex; /* # of bmapi's can do */ int nmap; /* number of map entries */ - struct getbmapx out; /* output structure */ + struct getbmapx *out; /* output structure */ int whichfork; /* data or attr fork */ int prealloced; /* this is a file with * preallocated data space */ int iflags; /* interface flags */ int bmapi_flags; /* flags for xfs_bmapi */ + int cur_ext = 0; mp = ip->i_mount; iflags = bmv->bmv_iflags; @@ -5971,6 +5972,13 @@ xfs_getbmap( return XFS_ERROR(EINVAL); bmvend = bmv->bmv_offset + bmv->bmv_length; + + if (bmv->bmv_count > ULONG_MAX / sizeof(struct getbmapx)) + return XFS_ERROR(ENOMEM); + out = kmem_zalloc(bmv->bmv_count * sizeof(struct getbmapx), KM_MAYFAIL); + if (!out) + return XFS_ERROR(ENOMEM); + xfs_ilock(ip, XFS_IOLOCK_SHARED); if (whichfork == XFS_DATA_FORK && !(iflags & BMV_IF_DELALLOC)) { if (ip->i_delayed_blks || ip->i_size > ip->i_d.di_size) { @@ -6025,39 +6033,39 @@ xfs_getbmap( ASSERT(nmap <= subnex); for (i = 0; i < nmap && nexleft && bmv->bmv_length; i++) { - int full = 0; /* user array is full */ - - out.bmv_oflags = 0; + out[cur_ext].bmv_oflags = 0; if (map[i].br_state == XFS_EXT_UNWRITTEN) - out.bmv_oflags |= BMV_OF_PREALLOC; + out[cur_ext].bmv_oflags |= BMV_OF_PREALLOC; else if (map[i].br_startblock == DELAYSTARTBLOCK) - out.bmv_oflags |= BMV_OF_DELALLOC; - out.bmv_offset = XFS_FSB_TO_BB(mp, map[i].br_startoff); - out.bmv_length = XFS_FSB_TO_BB(mp, map[i].br_blockcount); - out.bmv_unused1 = out.bmv_unused2 = 0; + out[cur_ext].bmv_oflags |= BMV_OF_DELALLOC; + out[cur_ext].bmv_offset = + XFS_FSB_TO_BB(mp, map[i].br_startoff); + out[cur_ext].bmv_length = + XFS_FSB_TO_BB(mp, map[i].br_blockcount); + out[cur_ext].bmv_unused1 = 0; + out[cur_ext].bmv_unused2 = 0; ASSERT(((iflags & BMV_IF_DELALLOC) != 0) || (map[i].br_startblock != DELAYSTARTBLOCK)); if (map[i].br_startblock == HOLESTARTBLOCK && whichfork == XFS_ATTR_FORK) { /* came to the end of attribute fork */ - out.bmv_oflags |= BMV_OF_LAST; + out[cur_ext].bmv_oflags |= BMV_OF_LAST; goto out_free_map; } - if (!xfs_getbmapx_fix_eof_hole(ip, &out, prealloced, - bmvend, map[i].br_startblock)) + if (!xfs_getbmapx_fix_eof_hole(ip, &out[cur_ext], + prealloced, bmvend, + map[i].br_startblock)) goto out_free_map; - /* format results & advance arg */ - error = formatter(&arg, &out, &full); - if (error || full) - goto out_free_map; nexleft--; bmv->bmv_offset = - out.bmv_offset + out.bmv_length; + out[cur_ext].bmv_offset + + out[cur_ext].bmv_length; bmv->bmv_length = max_t(__int64_t, 0, bmvend - bmv->bmv_offset); bmv->bmv_entries++; + cur_ext++; } } while (nmap && nexleft && bmv->bmv_length); @@ -6067,6 +6075,16 @@ xfs_getbmap( xfs_iunlock_map_shared(ip, lock); out_unlock_iolock: xfs_iunlock(ip, XFS_IOLOCK_SHARED); + + for (i = 0; i < cur_ext; i++) { + int full = 0; /* user array is full */ + + /* format results & advance arg */ + error = formatter(&arg, &out[i], &full); + if (error || full) + break; + } + return error; } From 6e85c5ba73c07b990798087e9b858c065db2b234 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 29 Apr 2009 19:14:32 -0400 Subject: [PATCH 290/478] kernel/posix-cpu-timers.c: fix sparse warning Sparse reports the following in kernel/posix-cpu-timers.c: warning: symbol 'firing' shadows an earlier one Signed-off-by: H Hartley Sweeten Cc: Subrata Modak LKML-Reference: Signed-off-by: Ingo Molnar --- kernel/posix-cpu-timers.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index c9dcf98b4463..bece7c0b67b2 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -1420,19 +1420,19 @@ void run_posix_cpu_timers(struct task_struct *tsk) * timer call will interfere. */ list_for_each_entry_safe(timer, next, &firing, it.cpu.entry) { - int firing; + int cpu_firing; + spin_lock(&timer->it_lock); list_del_init(&timer->it.cpu.entry); - firing = timer->it.cpu.firing; + cpu_firing = timer->it.cpu.firing; timer->it.cpu.firing = 0; /* * The firing flag is -1 if we collided with a reset * of the timer, which already reported this * almost-firing as an overrun. So don't generate an event. */ - if (likely(firing >= 0)) { + if (likely(cpu_firing >= 0)) cpu_timer_fire(timer); - } spin_unlock(&timer->it_lock); } } From 2f65dd475c6a8a997145ea83cc3d2d5e6dc55af1 Mon Sep 17 00:00:00 2001 From: John Wright Date: Wed, 29 Apr 2009 14:32:01 -0600 Subject: [PATCH 291/478] x86: gettimeofday() vDSO: fix segfault when tv == NULL According to the gettimeofday(2) manual: If either tv or tz is NULL, the corresponding structure is not set or returned. Since it is legal to give NULL as the tv argument, the code should make sure tv is not NULL before trying to dereference it. This issue manifests itself on x86_64 when vdso=0 is not on the kernel command-line and libc uses the vDSO for gettimeofday() (e.g. glibc >= 2.7). A simple reproducer: #include #include int main(void) { struct timezone tz; gettimeofday(NULL, &tz); return 0; } See http://bugs.debian.org/466491 for more details. [ Impact: fix gettimeofday(NULL, &tz) segfault ] Signed-off-by: John Wright Cc: Andi Kleen Cc: John Wright LKML-Reference: <1241037121-14805-1-git-send-email-john.wright@hp.com> Signed-off-by: Ingo Molnar --- arch/x86/vdso/vclock_gettime.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c index d9d35824c56f..6a40b78b46aa 100644 --- a/arch/x86/vdso/vclock_gettime.c +++ b/arch/x86/vdso/vclock_gettime.c @@ -104,11 +104,13 @@ notrace int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz) { long ret; if (likely(gtod->sysctl_enabled && gtod->clock.vread)) { - BUILD_BUG_ON(offsetof(struct timeval, tv_usec) != - offsetof(struct timespec, tv_nsec) || - sizeof(*tv) != sizeof(struct timespec)); - do_realtime((struct timespec *)tv); - tv->tv_usec /= 1000; + if (likely(tv != NULL)) { + BUILD_BUG_ON(offsetof(struct timeval, tv_usec) != + offsetof(struct timespec, tv_nsec) || + sizeof(*tv) != sizeof(struct timespec)); + do_realtime((struct timespec *)tv); + tv->tv_usec /= 1000; + } if (unlikely(tz != NULL)) { /* Avoid memcpy. Some old compilers fail to inline it */ tz->tz_minuteswest = gtod->sys_tz.tz_minuteswest; From 7a67e56fd362d3edfde1f19170893508c3940d3a Mon Sep 17 00:00:00 2001 From: Jarek Poplawski Date: Thu, 30 Apr 2009 05:41:19 -0700 Subject: [PATCH 292/478] net: Fix oops when splicing skbs from a frag_list. Lennert Buytenhek wrote: > Since 4fb669948116d928ae44262ab7743732c574630d ("net: Optimize memory > usage when splicing from sockets.") I'm seeing this oops (e.g. in > 2.6.30-rc3) when splicing from a TCP socket to /dev/null on a driver > (mv643xx_eth) that uses LRO in the skb mode (lro_receive_skb) rather > than the frag mode: My patch incorrectly assumed skb->sk was always valid, but for "frag_listed" skbs we can only use skb->sk of their parent. Reported-by: Lennert Buytenhek Debugged-by: Lennert Buytenhek Tested-by: Lennert Buytenhek Signed-off-by: Jarek Poplawski Signed-off-by: David S. Miller --- net/core/skbuff.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index ce6356cd9f71..f091a5a845c1 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1365,9 +1365,8 @@ static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i) static inline struct page *linear_to_page(struct page *page, unsigned int *len, unsigned int *offset, - struct sk_buff *skb) + struct sk_buff *skb, struct sock *sk) { - struct sock *sk = skb->sk; struct page *p = sk->sk_sndmsg_page; unsigned int off; @@ -1405,13 +1404,14 @@ new_page: */ static inline int spd_fill_page(struct splice_pipe_desc *spd, struct page *page, unsigned int *len, unsigned int offset, - struct sk_buff *skb, int linear) + struct sk_buff *skb, int linear, + struct sock *sk) { if (unlikely(spd->nr_pages == PIPE_BUFFERS)) return 1; if (linear) { - page = linear_to_page(page, len, &offset, skb); + page = linear_to_page(page, len, &offset, skb, sk); if (!page) return 1; } else @@ -1442,7 +1442,8 @@ static inline void __segment_seek(struct page **page, unsigned int *poff, static inline int __splice_segment(struct page *page, unsigned int poff, unsigned int plen, unsigned int *off, unsigned int *len, struct sk_buff *skb, - struct splice_pipe_desc *spd, int linear) + struct splice_pipe_desc *spd, int linear, + struct sock *sk) { if (!*len) return 1; @@ -1465,7 +1466,7 @@ static inline int __splice_segment(struct page *page, unsigned int poff, /* the linear region may spread across several pages */ flen = min_t(unsigned int, flen, PAGE_SIZE - poff); - if (spd_fill_page(spd, page, &flen, poff, skb, linear)) + if (spd_fill_page(spd, page, &flen, poff, skb, linear, sk)) return 1; __segment_seek(&page, &poff, &plen, flen); @@ -1481,8 +1482,8 @@ static inline int __splice_segment(struct page *page, unsigned int poff, * pipe is full or if we already spliced the requested length. */ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset, - unsigned int *len, - struct splice_pipe_desc *spd) + unsigned int *len, struct splice_pipe_desc *spd, + struct sock *sk) { int seg; @@ -1492,7 +1493,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset, if (__splice_segment(virt_to_page(skb->data), (unsigned long) skb->data & (PAGE_SIZE - 1), skb_headlen(skb), - offset, len, skb, spd, 1)) + offset, len, skb, spd, 1, sk)) return 1; /* @@ -1502,7 +1503,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset, const skb_frag_t *f = &skb_shinfo(skb)->frags[seg]; if (__splice_segment(f->page, f->page_offset, f->size, - offset, len, skb, spd, 0)) + offset, len, skb, spd, 0, sk)) return 1; } @@ -1528,12 +1529,13 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset, .ops = &sock_pipe_buf_ops, .spd_release = sock_spd_release, }; + struct sock *sk = skb->sk; /* * __skb_splice_bits() only fails if the output has no room left, * so no point in going over the frag_list for the error case. */ - if (__skb_splice_bits(skb, &offset, &tlen, &spd)) + if (__skb_splice_bits(skb, &offset, &tlen, &spd, sk)) goto done; else if (!tlen) goto done; @@ -1545,14 +1547,13 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset, struct sk_buff *list = skb_shinfo(skb)->frag_list; for (; list && tlen; list = list->next) { - if (__skb_splice_bits(list, &offset, &tlen, &spd)) + if (__skb_splice_bits(list, &offset, &tlen, &spd, sk)) break; } } done: if (spd.nr_pages) { - struct sock *sk = skb->sk; int ret; /* From d37dc42ab6f040b8f0f2962ab219c5b2accf748d Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 06:45:08 -0400 Subject: [PATCH 293/478] nls: add a nls_nullsize inline It's possible for character sets to require a multi-byte null string terminator. Add a helper function that determines the size of the null terminator at runtime. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- include/linux/nls.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/linux/nls.h b/include/linux/nls.h index 6a882208301a..52b1a76c1b43 100644 --- a/include/linux/nls.h +++ b/include/linux/nls.h @@ -58,6 +58,25 @@ static inline int nls_strnicmp(struct nls_table *t, const unsigned char *s1, return 0; } +/* + * nls_nullsize - return length of null character for codepage + * @codepage - codepage for which to return length of NULL terminator + * + * Since we can't guarantee that the null terminator will be a particular + * length, we have to check against the codepage. If there's a problem + * determining it, assume a single-byte NULL terminator. + */ +static inline int +nls_nullsize(const struct nls_table *codepage) +{ + int charlen; + char tmp[NLS_MAX_CHARSET_SIZE]; + + charlen = codepage->uni2char(0, tmp, NLS_MAX_CHARSET_SIZE); + + return charlen > 0 ? charlen : 1; +} + #define MODULE_ALIAS_NLS(name) MODULE_ALIAS("nls_" __stringify(name)) #endif /* _LINUX_NLS_H */ From 66345f50f070ae7412a28543ee197cb5eff73598 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 06:45:08 -0400 Subject: [PATCH 294/478] cifs: move #defines for mapchars into cifs_unicode.h Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/cifs_unicode.h | 13 +++++++++++++ fs/cifs/misc.c | 11 ----------- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index 14eb9a2395d3..d6fe8ecd1ffc 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -37,6 +37,19 @@ #define UNIUPR_NOLOWER /* Example to not expand lower case tables */ +/* + * Windows maps these to the user defined 16 bit Unicode range since they are + * reserved symbols (along with \ and /), otherwise illegal to store + * in filenames in NTFS + */ +#define UNI_ASTERIK (__u16) ('*' + 0xF000) +#define UNI_QUESTION (__u16) ('?' + 0xF000) +#define UNI_COLON (__u16) (':' + 0xF000) +#define UNI_GRTRTHAN (__u16) ('>' + 0xF000) +#define UNI_LESSTHAN (__u16) ('<' + 0xF000) +#define UNI_PIPE (__u16) ('|' + 0xF000) +#define UNI_SLASH (__u16) ('\\' + 0xF000) + /* Just define what we want from uniupr.h. We don't want to define the tables * in each source file. */ diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 4c89c572891a..bb81c8af6a93 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -635,17 +635,6 @@ dump_smb(struct smb_hdr *smb_buf, int smb_buf_length) return; } -/* Windows maps these to the user defined 16 bit Unicode range since they are - reserved symbols (along with \ and /), otherwise illegal to store - in filenames in NTFS */ -#define UNI_ASTERIK (__u16) ('*' + 0xF000) -#define UNI_QUESTION (__u16) ('?' + 0xF000) -#define UNI_COLON (__u16) (':' + 0xF000) -#define UNI_GRTRTHAN (__u16) ('>' + 0xF000) -#define UNI_LESSTHAN (__u16) ('<' + 0xF000) -#define UNI_PIPE (__u16) ('|' + 0xF000) -#define UNI_SLASH (__u16) ('\\' + 0xF000) - /* Convert 16 bit Unicode pathname from wire format to string in current code page. Conversion may involve remapping up the seven characters that are only legal in POSIX-like OS (if they are present in the string). Path From 7fabf0c9479fef9fdb9528a5fbdb1cb744a744a4 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 06:46:15 -0400 Subject: [PATCH 295/478] cifs: add replacement for cifs_strtoUCS_le called cifs_from_ucs2 Add a replacement function for cifs_strtoUCS_le. cifs_from_ucs2 takes args for the source and destination length so that we can ensure that the function is confined within the intended buffers. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/cifs_unicode.c | 124 +++++++++++++++++++++++++++++++++++++++++ fs/cifs/cifs_unicode.h | 2 + 2 files changed, 126 insertions(+) diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 7d75272a6b3f..8389f359b03d 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -25,6 +25,130 @@ #include "cifsglob.h" #include "cifs_debug.h" +/* + * cifs_mapchar - convert a little-endian char to proper char in codepage + * @target - where converted character should be copied + * @src_char - 2 byte little-endian source character + * @cp - codepage to which character should be converted + * @mapchar - should character be mapped according to mapchars mount option? + * + * This function handles the conversion of a single character. It is the + * responsibility of the caller to ensure that the target buffer is large + * enough to hold the result of the conversion (at least NLS_MAX_CHARSET_SIZE). + */ +static int +cifs_mapchar(char *target, const __le16 src_char, const struct nls_table *cp, + bool mapchar) +{ + int len = 1; + + if (!mapchar) + goto cp_convert; + + /* + * BB: Cannot handle remapping UNI_SLASH until all the calls to + * build_path_from_dentry are modified, as they use slash as + * separator. + */ + switch (le16_to_cpu(src_char)) { + case UNI_COLON: + *target = ':'; + break; + case UNI_ASTERIK: + *target = '*'; + break; + case UNI_QUESTION: + *target = '?'; + break; + case UNI_PIPE: + *target = '|'; + break; + case UNI_GRTRTHAN: + *target = '>'; + break; + case UNI_LESSTHAN: + *target = '<'; + break; + default: + goto cp_convert; + } + +out: + return len; + +cp_convert: + len = cp->uni2char(le16_to_cpu(src_char), target, + NLS_MAX_CHARSET_SIZE); + if (len <= 0) { + *target = '?'; + len = 1; + } + goto out; +} + +/* + * cifs_from_ucs2 - convert utf16le string to local charset + * @to - destination buffer + * @from - source buffer + * @tolen - destination buffer size (in bytes) + * @fromlen - source buffer size (in bytes) + * @codepage - codepage to which characters should be converted + * @mapchar - should characters be remapped according to the mapchars option? + * + * Convert a little-endian ucs2le string (as sent by the server) to a string + * in the provided codepage. The tolen and fromlen parameters are to ensure + * that the code doesn't walk off of the end of the buffer (which is always + * a danger if the alignment of the source buffer is off). The destination + * string is always properly null terminated and fits in the destination + * buffer. Returns the length of the destination string in bytes (including + * null terminator). + * + * Note that some windows versions actually send multiword UTF-16 characters + * instead of straight UCS-2. The linux nls routines however aren't able to + * deal with those characters properly. In the event that we get some of + * those characters, they won't be translated properly. + */ +int +cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen, + const struct nls_table *codepage, bool mapchar) +{ + int i, charlen, safelen; + int outlen = 0; + int nullsize = nls_nullsize(codepage); + int fromwords = fromlen / 2; + char tmp[NLS_MAX_CHARSET_SIZE]; + + /* + * because the chars can be of varying widths, we need to take care + * not to overflow the destination buffer when we get close to the + * end of it. Until we get to this offset, we don't need to check + * for overflow however. + */ + safelen = tolen - (NLS_MAX_CHARSET_SIZE + nullsize); + + for (i = 0; i < fromwords && from[i]; i++) { + /* + * check to see if converting this character might make the + * conversion bleed into the null terminator + */ + if (outlen >= safelen) { + charlen = cifs_mapchar(tmp, from[i], codepage, mapchar); + if ((outlen + charlen) > (tolen - nullsize)) + break; + } + + /* put converted char into 'to' buffer */ + charlen = cifs_mapchar(&to[outlen], from[i], codepage, mapchar); + outlen += charlen; + } + + /* properly null-terminate string */ + for (i = 0; i < nullsize; i++) + to[outlen++] = 0; + + return outlen; +} + /* * NAME: cifs_strfromUCS() * diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index d6fe8ecd1ffc..6aa6533e49fa 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -72,6 +72,8 @@ extern struct UniCaseRange UniLowerRange[]; #endif /* UNIUPR_NOLOWER */ #ifdef __KERNEL__ +int cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen, + const struct nls_table *codepage, bool mapchar); int cifs_strfromUCS_le(char *, const __le16 *, int, const struct nls_table *); int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *); #endif From 69f801fcaa03be83d58c564f00913b7c172808e4 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 06:46:32 -0400 Subject: [PATCH 296/478] cifs: add new function to get unicode string length in bytes Working in units of words means we do a lot of unnecessary conversion back and forth. Standardize on bytes instead since that's more useful for allocating buffers and such. Also, remove hostlen_fromUCS since the new function has a similar purpose. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/cifs_unicode.c | 31 +++++++++++++++++++++++++++++++ fs/cifs/cifs_unicode.h | 2 ++ fs/cifs/cifssmb.c | 25 ++----------------------- 3 files changed, 35 insertions(+), 23 deletions(-) diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 8389f359b03d..614512573c67 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -25,6 +25,37 @@ #include "cifsglob.h" #include "cifs_debug.h" +/* + * cifs_ucs2_bytes - how long will a string be after conversion? + * @ucs - pointer to input string + * @maxbytes - don't go past this many bytes of input string + * @codepage - destination codepage + * + * Walk a ucs2le string and return the number of bytes that the string will + * be after being converted to the given charset, not including any null + * termination required. Don't walk past maxbytes in the source buffer. + */ +int +cifs_ucs2_bytes(const __le16 *from, int maxbytes, + const struct nls_table *codepage) +{ + int i; + int charlen, outlen = 0; + int maxwords = maxbytes / 2; + char tmp[NLS_MAX_CHARSET_SIZE]; + + for (i = 0; from[i] && i < maxwords; i++) { + charlen = codepage->uni2char(le16_to_cpu(from[i]), tmp, + NLS_MAX_CHARSET_SIZE); + if (charlen > 0) + outlen += charlen; + else + outlen++; + } + + return outlen; +} + /* * cifs_mapchar - convert a little-endian char to proper char in codepage * @target - where converted character should be copied diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index 6aa6533e49fa..1857f5ff9337 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -74,6 +74,8 @@ extern struct UniCaseRange UniLowerRange[]; #ifdef __KERNEL__ int cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen, const struct nls_table *codepage, bool mapchar); +int cifs_ucs2_bytes(const __le16 *from, int maxbytes, + const struct nls_table *codepage); int cifs_strfromUCS_le(char *, const __le16 *, int, const struct nls_table *); int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *); #endif diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index a02c43b3faf5..cadacae46b82 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -3928,27 +3928,6 @@ GetInodeNumOut: return rc; } -/* computes length of UCS string converted to host codepage - * @src: UCS string - * @maxlen: length of the input string in UCS characters - * (not in bytes) - * - * return: size of input string in host codepage - */ -static int hostlen_fromUCS(const __le16 *src, const int maxlen, - const struct nls_table *nls_codepage) { - int i; - int hostlen = 0; - char to[4]; - int charlen; - for (i = 0; (i < maxlen) && src[i]; ++i) { - charlen = nls_codepage->uni2char(le16_to_cpu(src[i]), - to, NLS_MAX_CHARSET_SIZE); - hostlen += charlen > 0 ? charlen : 1; - } - return hostlen; -} - /* parses DFS refferal V3 structure * caller is responsible for freeing target_nodes * returns: @@ -4016,8 +3995,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, GFP_KERNEL); cifsConvertToUCS((__le16 *) tmp, searchName, PATH_MAX, nls_codepage, remap); - node->path_consumed = hostlen_fromUCS(tmp, - le16_to_cpu(pSMBr->PathConsumed)/2, + node->path_consumed = cifs_ucs2_bytes(tmp, + le16_to_cpu(pSMBr->PathConsumed), nls_codepage); kfree(tmp); } else From 066ce6899484d9026acd6ba3a8dbbedb33d7ae1b Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 07:16:14 -0400 Subject: [PATCH 297/478] cifs: rename cifs_strlcpy_to_host and make it use new functions Rename cifs_strlcpy_to_host to cifs_strndup since that better describes what this function really does. Then, convert it to use the new string conversion and measurement functions that work in units of bytes rather than wide chars. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/cifs_unicode.c | 38 +++++++++++++++++++++++++++++ fs/cifs/cifs_unicode.h | 2 ++ fs/cifs/cifssmb.c | 55 +++++++++--------------------------------- 3 files changed, 52 insertions(+), 43 deletions(-) diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 614512573c67..2a879cff3a40 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -243,3 +243,41 @@ cifs_strtoUCS(__le16 *to, const char *from, int len, return i; } +/* + * cifs_strndup - copy a string from wire format to the local codepage + * @src - source string + * @maxlen - don't walk past this many bytes in the source string + * @is_unicode - is this a unicode string? + * @codepage - destination codepage + * + * Take a string given by the server, convert it to the local codepage and + * put it in a new buffer. Returns a pointer to the new string or NULL on + * error. + */ +char * +cifs_strndup(const char *src, const int maxlen, const bool is_unicode, + const struct nls_table *codepage) +{ + int len; + char *dst; + + if (is_unicode) { + len = cifs_ucs2_bytes((__le16 *) src, maxlen, codepage); + len += nls_nullsize(codepage); + dst = kmalloc(len, GFP_KERNEL); + if (!dst) + return NULL; + cifs_from_ucs2(dst, (__le16 *) src, len, maxlen, codepage, + false); + } else { + len = strnlen(src, maxlen); + len++; + dst = kmalloc(len, GFP_KERNEL); + if (!dst) + return NULL; + strlcpy(dst, src, len); + } + + return dst; +} + diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index 1857f5ff9337..e620f0b42201 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -78,6 +78,8 @@ int cifs_ucs2_bytes(const __le16 *from, int maxbytes, const struct nls_table *codepage); int cifs_strfromUCS_le(char *, const __le16 *, int, const struct nls_table *); int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *); +char *cifs_strndup(const char *src, const int maxlen, const bool is_unicode, + const struct nls_table *codepage); #endif /* diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index cadacae46b82..f15848374cfa 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -81,41 +81,6 @@ static struct { #endif /* CONFIG_CIFS_WEAK_PW_HASH */ #endif /* CIFS_POSIX */ -/* Allocates buffer into dst and copies smb string from src to it. - * caller is responsible for freeing dst if function returned 0. - * returns: - * on success - 0 - * on failure - errno - */ -static int -cifs_strlcpy_to_host(char **dst, const char *src, const int maxlen, - const bool is_unicode, const struct nls_table *nls_codepage) -{ - int plen; - - if (is_unicode) { - plen = UniStrnlen((wchar_t *)src, maxlen); - *dst = kmalloc((4 * plen) + 2, GFP_KERNEL); - if (!*dst) - goto cifs_strlcpy_to_host_ErrExit; - cifs_strfromUCS_le(*dst, (__le16 *)src, plen, nls_codepage); - (*dst)[plen] = 0; - (*dst)[plen+1] = 0; /* needed for Unicode */ - } else { - plen = strnlen(src, maxlen); - *dst = kmalloc(plen + 2, GFP_KERNEL); - if (!*dst) - goto cifs_strlcpy_to_host_ErrExit; - strlcpy(*dst, src, plen); - } - return 0; - -cifs_strlcpy_to_host_ErrExit: - cERROR(1, ("Failed to allocate buffer for string\n")); - return -ENOMEM; -} - - /* Mark as invalid, all open files on tree connections since they were closed when session to server was lost */ static void mark_open_files_invalid(struct cifsTconInfo *pTcon) @@ -4008,20 +3973,24 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, /* copy DfsPath */ temp = (char *)ref + le16_to_cpu(ref->DfsPathOffset); max_len = data_end - temp; - rc = cifs_strlcpy_to_host(&(node->path_name), temp, - max_len, is_unicode, nls_codepage); - if (rc) + node->path_name = cifs_strndup(temp, max_len, is_unicode, + nls_codepage); + if (IS_ERR(node->path_name)) { + rc = PTR_ERR(node->path_name); + node->path_name = NULL; goto parse_DFS_referrals_exit; + } /* copy link target UNC */ temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset); max_len = data_end - temp; - rc = cifs_strlcpy_to_host(&(node->node_name), temp, - max_len, is_unicode, nls_codepage); - if (rc) + node->node_name = cifs_strndup(temp, max_len, is_unicode, + nls_codepage); + if (IS_ERR(node->node_name)) { + rc = PTR_ERR(node->node_name); + node->node_name = NULL; goto parse_DFS_referrals_exit; - - ref += le16_to_cpu(ref->Size); + } } parse_DFS_referrals_exit: From cc20c031bb067eb3280a1c4b5c42295093e24863 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 07:16:21 -0400 Subject: [PATCH 298/478] cifs: convert CIFSTCon to use new unicode helper functions Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/connect.c | 49 ++++++++++++++--------------------------------- 1 file changed, 14 insertions(+), 35 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index bacdef1546b7..e94d6b29af64 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3638,7 +3638,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, TCONX_RSP *pSMBr; unsigned char *bcc_ptr; int rc = 0; - int length; + int length, bytes_left; __u16 count; if (ses == NULL) @@ -3726,14 +3726,15 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, &length, CIFS_STD_OP); - /* if (rc) rc = map_smb_to_linux_error(smb_buffer_response); */ /* above now done in SendReceive */ if ((rc == 0) && (tcon != NULL)) { tcon->tidStatus = CifsGood; tcon->need_reconnect = false; tcon->tid = smb_buffer_response->Tid; bcc_ptr = pByteArea(smb_buffer_response); - length = strnlen(bcc_ptr, BCC(smb_buffer_response) - 2); + bytes_left = BCC(smb_buffer_response); + length = strnlen(bcc_ptr, bytes_left - 2); + /* skip service field (NB: this field is always ASCII) */ if (length == 3) { if ((bcc_ptr[0] == 'I') && (bcc_ptr[1] == 'P') && @@ -3748,39 +3749,17 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, } } bcc_ptr += length + 1; + bytes_left -= (length + 1); strncpy(tcon->treeName, tree, MAX_TREE_SIZE); - if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { - length = UniStrnlen((wchar_t *) bcc_ptr, 512); - if ((bcc_ptr + (2 * length)) - - pByteArea(smb_buffer_response) <= - BCC(smb_buffer_response)) { - kfree(tcon->nativeFileSystem); - tcon->nativeFileSystem = - kzalloc((4 * length) + 2, GFP_KERNEL); - if (tcon->nativeFileSystem) { - cifs_strfromUCS_le( - tcon->nativeFileSystem, - (__le16 *) bcc_ptr, - length, nls_codepage); - cFYI(1, ("nativeFileSystem=%s", - tcon->nativeFileSystem)); - } - } - /* else do not bother copying these information fields*/ - } else { - length = strnlen(bcc_ptr, 1024); - if ((bcc_ptr + length) - - pByteArea(smb_buffer_response) <= - BCC(smb_buffer_response)) { - kfree(tcon->nativeFileSystem); - tcon->nativeFileSystem = - kzalloc(length + 1, GFP_KERNEL); - if (tcon->nativeFileSystem) - strncpy(tcon->nativeFileSystem, bcc_ptr, - length); - } - /* else do not bother copying these information fields*/ - } + + /* mostly informational -- no need to fail on error here */ + tcon->nativeFileSystem = cifs_strndup(bcc_ptr, bytes_left, + smb_buffer->Flags2 & + SMBFLG2_UNICODE, + nls_codepage); + + cFYI(1, ("nativeFileSystem=%s", tcon->nativeFileSystem)); + if ((smb_buffer_response->WordCount == 3) || (smb_buffer_response->WordCount == 7)) /* field is in same location */ From 59140797c5817363087b0ffb46e6bb81a11fe0dc Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 07:16:21 -0400 Subject: [PATCH 299/478] cifs: fix session setup unicode string saving to use new unicode helpers ...and change decode_unicode_ssetup to be a void function. It never returns an actual error anyway. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/sess.c | 80 ++++++++++++++------------------------------------ 1 file changed, 22 insertions(+), 58 deletions(-) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index c652c73760dd..93022dc9babb 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -277,12 +277,11 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifsSesInfo *ses, *pbcc_area = bcc_ptr; } -static int decode_unicode_ssetup(char **pbcc_area, int bleft, - struct cifsSesInfo *ses, - const struct nls_table *nls_cp) +static void +decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifsSesInfo *ses, + const struct nls_table *nls_cp) { - int rc = 0; - int words_left, len; + int len; char *data = *pbcc_area; cFYI(1, ("bleft %d", bleft)); @@ -300,63 +299,29 @@ static int decode_unicode_ssetup(char **pbcc_area, int bleft, ++bleft; } - words_left = bleft / 2; - - /* save off server operating system */ - len = UniStrnlen((wchar_t *) data, words_left); - - if (len >= words_left) - return rc; - kfree(ses->serverOS); - /* UTF-8 string will not grow more than four times as big as UCS-16 */ - ses->serverOS = kzalloc((4 * len) + 2 /* trailing null */, GFP_KERNEL); - if (ses->serverOS != NULL) { - cifs_strfromUCS_le(ses->serverOS, (__le16 *)data, len, nls_cp); - cFYI(1, ("serverOS=%s", ses->serverOS)); - } - data += 2 * (len + 1); - words_left -= len + 1; - - /* save off server network operating system */ - len = UniStrnlen((wchar_t *) data, words_left); - - if (len >= words_left) - return rc; + ses->serverOS = cifs_strndup(data, bleft, true, nls_cp); + cFYI(1, ("serverOS=%s", ses->serverOS)); + len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2; + data += len; + bleft -= len; + if (bleft <= 0) + return; kfree(ses->serverNOS); - ses->serverNOS = kzalloc((4 * len) + 2 /* trailing null */, GFP_KERNEL); - if (ses->serverNOS != NULL) { - cifs_strfromUCS_le(ses->serverNOS, (__le16 *)data, len, - nls_cp); - cFYI(1, ("serverNOS=%s", ses->serverNOS)); - if (strncmp(ses->serverNOS, "NT LAN Manager 4", 16) == 0) { - cFYI(1, ("NT4 server")); - ses->flags |= CIFS_SES_NT4; - } - } - data += 2 * (len + 1); - words_left -= len + 1; - - /* save off server domain */ - len = UniStrnlen((wchar_t *) data, words_left); - - if (len > words_left) - return rc; + ses->serverNOS = cifs_strndup(data, bleft, true, nls_cp); + cFYI(1, ("serverNOS=%s", ses->serverNOS)); + len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2; + data += len; + bleft -= len; + if (bleft <= 0) + return; kfree(ses->serverDomain); - ses->serverDomain = kzalloc((4 * len) + 2, GFP_KERNEL); - if (ses->serverDomain != NULL) { - cifs_strfromUCS_le(ses->serverDomain, (__le16 *)data, len, - nls_cp); - cFYI(1, ("serverDomain=%s", ses->serverDomain)); - } - data += 2 * (len + 1); - words_left -= len + 1; + ses->serverDomain = cifs_strndup(data, bleft, true, nls_cp); + cFYI(1, ("serverDomain=%s", ses->serverDomain)); - cFYI(1, ("words left: %d", words_left)); - - return rc; + return; } static int decode_ascii_ssetup(char **pbcc_area, int bleft, @@ -709,8 +674,7 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, ++bcc_ptr; --bytes_remaining; } - rc = decode_unicode_ssetup(&bcc_ptr, bytes_remaining, - ses, nls_cp); + decode_unicode_ssetup(&bcc_ptr, bytes_remaining, ses, nls_cp); } else { rc = decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses, nls_cp); From 460b96960d1946914e50316ffeefe7b41dddce91 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 07:17:56 -0400 Subject: [PATCH 300/478] cifs: change CIFSSMBUnixQuerySymLink to use new helpers Change CIFSSMBUnixQuerySymLink to use the new unicode helper functions. Also change the calling conventions so that the allocation of the target name buffer is done in CIFSSMBUnixQuerySymLink rather than by the caller. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/cifsproto.h | 3 +-- fs/cifs/cifssmb.c | 36 ++++++++++++++---------------------- fs/cifs/link.c | 22 +++++----------------- 3 files changed, 20 insertions(+), 41 deletions(-) diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 4167716d32f2..7d54a5a4dd55 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -260,8 +260,7 @@ extern int CIFSUnixCreateSymLink(const int xid, const struct nls_table *nls_codepage); extern int CIFSSMBUnixQuerySymLink(const int xid, struct cifsTconInfo *tcon, - const unsigned char *searchName, - char *syminfo, const int buflen, + const unsigned char *searchName, char **syminfo, const struct nls_table *nls_codepage); extern int CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index f15848374cfa..dfb8e391d538 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2382,8 +2382,7 @@ winCreateHardLinkRetry: int CIFSSMBUnixQuerySymLink(const int xid, struct cifsTconInfo *tcon, - const unsigned char *searchName, - char *symlinkinfo, const int buflen, + const unsigned char *searchName, char **symlinkinfo, const struct nls_table *nls_codepage) { /* SMB_QUERY_FILE_UNIX_LINK */ @@ -2393,6 +2392,7 @@ CIFSSMBUnixQuerySymLink(const int xid, struct cifsTconInfo *tcon, int bytes_returned; int name_len; __u16 params, byte_count; + char *data_start; cFYI(1, ("In QPathSymLinkInfo (Unix) for path %s", searchName)); @@ -2447,30 +2447,22 @@ querySymLinkRetry: /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); - if (rc || (pSMBr->ByteCount < 2)) /* BB also check enough total bytes returned */ - rc = -EIO; /* bad smb */ + if (rc || (pSMBr->ByteCount < 2)) + rc = -EIO; else { - __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset); - __u16 count = le16_to_cpu(pSMBr->t2.DataCount); + u16 count = le16_to_cpu(pSMBr->t2.DataCount); + + data_start = ((char *) &pSMBr->hdr.Protocol) + + le16_to_cpu(pSMBr->t2.DataOffset); - if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) { - name_len = UniStrnlen((wchar_t *) ((char *) - &pSMBr->hdr.Protocol + data_offset), - min_t(const int, buflen, count) / 2); /* BB FIXME investigate remapping reserved chars here */ - cifs_strfromUCS_le(symlinkinfo, - (__le16 *) ((char *)&pSMBr->hdr.Protocol - + data_offset), - name_len, nls_codepage); - } else { - strncpy(symlinkinfo, - (char *) &pSMBr->hdr.Protocol + - data_offset, - min_t(const int, buflen, count)); - } - symlinkinfo[buflen] = 0; - /* just in case so calling code does not go off the end of buffer */ + *symlinkinfo = cifs_strndup(data_start, count, + pSMBr->hdr.Flags2 & + SMBFLG2_UNICODE, + nls_codepage); + if (!symlinkinfo) + rc = -ENOMEM; } } cifs_buf_release(pSMB); diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 63f644000ce5..e17a092f43ec 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -119,16 +119,11 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd) full_path = build_path_from_dentry(direntry); if (!full_path) - goto out_no_free; + goto out; cFYI(1, ("Full path: %s inode = 0x%p", full_path, inode)); cifs_sb = CIFS_SB(inode->i_sb); pTcon = cifs_sb->tcon; - target_path = kmalloc(PATH_MAX, GFP_KERNEL); - if (!target_path) { - target_path = ERR_PTR(-ENOMEM); - goto out; - } /* We could change this to: if (pTcon->unix_ext) @@ -138,8 +133,7 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd) if (pTcon->ses->capabilities & CAP_UNIX) rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path, - target_path, - PATH_MAX-1, + &target_path, cifs_sb->local_nls); else { /* BB add read reparse point symlink code here */ @@ -148,22 +142,16 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd) /* BB Add MAC style xsymlink check here if enabled */ } - if (rc == 0) { - -/* BB Add special case check for Samba DFS symlinks */ - - target_path[PATH_MAX-1] = 0; - } else { + if (rc != 0) { kfree(target_path); target_path = ERR_PTR(rc); } -out: kfree(full_path); -out_no_free: +out: FreeXid(xid); nd_set_link(nd, target_path); - return NULL; /* No cookie */ + return NULL; } int From f58841666bc22e827ca0dcef7b71c7bc2758ce82 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 07:18:00 -0400 Subject: [PATCH 301/478] cifs: change cifs_get_name_from_search_buf to use new unicode helper ...and remove cifs_convertUCSpath. There are no more callers. Also add a #define for the buffer used in the readdir path so that we don't have so many magic numbers floating around. Signed-off-by: Jeff Layton Acked-by: Suresh Jayaraman Signed-off-by: Steve French --- fs/cifs/cifsproto.h | 2 -- fs/cifs/misc.c | 60 --------------------------------------------- fs/cifs/readdir.c | 26 ++++++++++---------- 3 files changed, 13 insertions(+), 75 deletions(-) diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 7d54a5a4dd55..fae083930eee 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -306,8 +306,6 @@ extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon, const unsigned char *searchName, __u64 *inode_number, const struct nls_table *nls_codepage, int remap_special_chars); -extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen, - const struct nls_table *codepage); extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen, const struct nls_table *cp, int mapChars); diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index bb81c8af6a93..e079a9190ec4 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -635,66 +635,6 @@ dump_smb(struct smb_hdr *smb_buf, int smb_buf_length) return; } -/* Convert 16 bit Unicode pathname from wire format to string in current code - page. Conversion may involve remapping up the seven characters that are - only legal in POSIX-like OS (if they are present in the string). Path - names are little endian 16 bit Unicode on the wire */ -int -cifs_convertUCSpath(char *target, const __le16 *source, int maxlen, - const struct nls_table *cp) -{ - int i, j, len; - __u16 src_char; - - for (i = 0, j = 0; i < maxlen; i++) { - src_char = le16_to_cpu(source[i]); - switch (src_char) { - case 0: - goto cUCS_out; /* BB check this BB */ - case UNI_COLON: - target[j] = ':'; - break; - case UNI_ASTERIK: - target[j] = '*'; - break; - case UNI_QUESTION: - target[j] = '?'; - break; - /* BB We can not handle remapping slash until - all the calls to build_path_from_dentry - are modified, as they use slash as separator BB */ - /* case UNI_SLASH: - target[j] = '\\'; - break;*/ - case UNI_PIPE: - target[j] = '|'; - break; - case UNI_GRTRTHAN: - target[j] = '>'; - break; - case UNI_LESSTHAN: - target[j] = '<'; - break; - default: - len = cp->uni2char(src_char, &target[j], - NLS_MAX_CHARSET_SIZE); - if (len > 0) { - j += len; - continue; - } else { - target[j] = '?'; - } - } - j++; - /* make sure we do not overrun callers allocated temp buffer */ - if (j >= (2 * NAME_MAX)) - break; - } -cUCS_out: - target[j] = 0; - return j; -} - /* Convert 16 bit Unicode pathname to wire format from string in current code page. Conversion may involve remapping up the seven characters that are only legal in POSIX-like OS (if they are present in the string). Path diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index ebd0da7ecb3d..e1351fe18a15 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -31,6 +31,13 @@ #include "cifs_fs_sb.h" #include "cifsfs.h" +/* + * To be safe - for UCS to UTF-8 with strings loaded with the rare long + * characters alloc more to account for such multibyte target UTF-8 + * characters. + */ +#define UNICODE_NAME_MAX ((4 * NAME_MAX) + 2) + #ifdef CONFIG_CIFS_DEBUG2 static void dump_cifs_file_struct(struct file *file, char *label) { @@ -881,14 +888,11 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst, } if (unicode) { - /* BB fixme - test with long names */ - /* Note converted filename can be longer than in unicode */ - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR) - pqst->len = cifs_convertUCSpath((char *)pqst->name, - (__le16 *)filename, len/2, nlt); - else - pqst->len = cifs_strfromUCS_le((char *)pqst->name, - (__le16 *)filename, len/2, nlt); + pqst->len = cifs_from_ucs2((char *) pqst->name, + (__le16 *) filename, + UNICODE_NAME_MAX, max_len, nlt, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else { pqst->name = filename; pqst->len = len; @@ -1070,11 +1074,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) cifsFile->srch_inf.ntwrk_buf_start); end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + max_len; - /* To be safe - for UCS to UTF-8 with strings loaded - with the rare long characters alloc more to account for - such multibyte target UTF-8 characters. cifs_unicode.c, - which actually does the conversion, has the same limit */ - tmp_buf = kmalloc((4 * NAME_MAX) + 2, GFP_KERNEL); + tmp_buf = kmalloc(UNICODE_NAME_MAX, GFP_KERNEL); for (i = 0; (i < num_to_fill) && (rc == 0); i++) { if (current_entry == NULL) { /* evaluate whether this case is an error */ From 20418acd6874792359b42c12d159f42f17593f34 Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 30 Apr 2009 16:13:32 +0000 Subject: [PATCH 302/478] [CIFS] Remove older session setup implementation Two years ago, when the session setup code in cifs was rewritten and moved to fs/cifs/sess.c, we were asked to keep the old code for a release or so (which could be reenabled at runtime) since it was such a large change and because the asn (SPNEGO) and NTLMSSP code was not rewritten and needed to be. This was useful to avoid regressions, but is long overdue to be removed. Now that the Kerberos (asn/spnego) code is working in fs/cifs/sess.c, and the NTLMSSP code moved (NTLMSSP blob setup be rewritten with the next patch in this series) quite a bit of dead code from fs/cifs/connect.c now can be removed. This old code should have been removed last year, but the earlier krb5 patches did not move/remove the NTLMSSP code which we had asked to be done first. Since no one else volunteered, I am doing it now. It is extremely important that we continue to examine the documentation for this area, to make sure our code continues to be uptodate with changes since Windows 2003. Signed-off-by: Steve French --- fs/cifs/connect.c | 381 +--------------------------------------------- 1 file changed, 7 insertions(+), 374 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index e94d6b29af64..579a628d1e65 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2592,310 +2592,6 @@ out: return rc; } -static int -CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, - char session_key[CIFS_SESS_KEY_SIZE], - const struct nls_table *nls_codepage) -{ - struct smb_hdr *smb_buffer; - struct smb_hdr *smb_buffer_response; - SESSION_SETUP_ANDX *pSMB; - SESSION_SETUP_ANDX *pSMBr; - char *bcc_ptr; - char *user; - char *domain; - int rc = 0; - int remaining_words = 0; - int bytes_returned = 0; - int len; - __u32 capabilities; - __u16 count; - - cFYI(1, ("In sesssetup")); - if (ses == NULL) - return -EINVAL; - user = ses->userName; - domain = ses->domainName; - smb_buffer = cifs_buf_get(); - - if (smb_buffer == NULL) - return -ENOMEM; - - smb_buffer_response = smb_buffer; - pSMBr = pSMB = (SESSION_SETUP_ANDX *) smb_buffer; - - /* send SMBsessionSetup here */ - header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX, - NULL /* no tCon exists yet */ , 13 /* wct */ ); - - smb_buffer->Mid = GetNextMid(ses->server); - pSMB->req_no_secext.AndXCommand = 0xFF; - pSMB->req_no_secext.MaxBufferSize = cpu_to_le16(ses->server->maxBuf); - pSMB->req_no_secext.MaxMpxCount = cpu_to_le16(ses->server->maxReq); - - if (ses->server->secMode & - (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) - smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; - - capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS | - CAP_LARGE_WRITE_X | CAP_LARGE_READ_X; - if (ses->capabilities & CAP_UNICODE) { - smb_buffer->Flags2 |= SMBFLG2_UNICODE; - capabilities |= CAP_UNICODE; - } - if (ses->capabilities & CAP_STATUS32) { - smb_buffer->Flags2 |= SMBFLG2_ERR_STATUS; - capabilities |= CAP_STATUS32; - } - if (ses->capabilities & CAP_DFS) { - smb_buffer->Flags2 |= SMBFLG2_DFS; - capabilities |= CAP_DFS; - } - pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities); - - pSMB->req_no_secext.CaseInsensitivePasswordLength = - cpu_to_le16(CIFS_SESS_KEY_SIZE); - - pSMB->req_no_secext.CaseSensitivePasswordLength = - cpu_to_le16(CIFS_SESS_KEY_SIZE); - bcc_ptr = pByteArea(smb_buffer); - memcpy(bcc_ptr, (char *) session_key, CIFS_SESS_KEY_SIZE); - bcc_ptr += CIFS_SESS_KEY_SIZE; - memcpy(bcc_ptr, (char *) session_key, CIFS_SESS_KEY_SIZE); - bcc_ptr += CIFS_SESS_KEY_SIZE; - - if (ses->capabilities & CAP_UNICODE) { - if ((long) bcc_ptr % 2) { /* must be word aligned for Unicode */ - *bcc_ptr = 0; - bcc_ptr++; - } - if (user == NULL) - bytes_returned = 0; /* skip null user */ - else - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, user, 100, - nls_codepage); - /* convert number of 16 bit words to bytes */ - bcc_ptr += 2 * bytes_returned; - bcc_ptr += 2; /* trailing null */ - if (domain == NULL) - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, - "CIFS_LINUX_DOM", 32, nls_codepage); - else - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, domain, 64, - nls_codepage); - bcc_ptr += 2 * bytes_returned; - bcc_ptr += 2; - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ", - 32, nls_codepage); - bcc_ptr += 2 * bytes_returned; - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, utsname()->release, - 32, nls_codepage); - bcc_ptr += 2 * bytes_returned; - bcc_ptr += 2; - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS, - 64, nls_codepage); - bcc_ptr += 2 * bytes_returned; - bcc_ptr += 2; - } else { - if (user != NULL) { - strncpy(bcc_ptr, user, 200); - bcc_ptr += strnlen(user, 200); - } - *bcc_ptr = 0; - bcc_ptr++; - if (domain == NULL) { - strcpy(bcc_ptr, "CIFS_LINUX_DOM"); - bcc_ptr += strlen("CIFS_LINUX_DOM") + 1; - } else { - strncpy(bcc_ptr, domain, 64); - bcc_ptr += strnlen(domain, 64); - *bcc_ptr = 0; - bcc_ptr++; - } - strcpy(bcc_ptr, "Linux version "); - bcc_ptr += strlen("Linux version "); - strcpy(bcc_ptr, utsname()->release); - bcc_ptr += strlen(utsname()->release) + 1; - strcpy(bcc_ptr, CIFS_NETWORK_OPSYS); - bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1; - } - count = (long) bcc_ptr - (long) pByteArea(smb_buffer); - smb_buffer->smb_buf_length += count; - pSMB->req_no_secext.ByteCount = cpu_to_le16(count); - - rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, - &bytes_returned, CIFS_LONG_OP); - if (rc) { -/* rc = map_smb_to_linux_error(smb_buffer_response); now done in SendReceive */ - } else if ((smb_buffer_response->WordCount == 3) - || (smb_buffer_response->WordCount == 4)) { - __u16 action = le16_to_cpu(pSMBr->resp.Action); - __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength); - if (action & GUEST_LOGIN) - cFYI(1, ("Guest login")); /* BB mark SesInfo struct? */ - ses->Suid = smb_buffer_response->Uid; /* UID left in wire format - (little endian) */ - cFYI(1, ("UID = %d ", ses->Suid)); - /* response can have either 3 or 4 word count - Samba sends 3 */ - bcc_ptr = pByteArea(smb_buffer_response); - if ((pSMBr->resp.hdr.WordCount == 3) - || ((pSMBr->resp.hdr.WordCount == 4) - && (blob_len < pSMBr->resp.ByteCount))) { - if (pSMBr->resp.hdr.WordCount == 4) - bcc_ptr += blob_len; - - if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { - if ((long) (bcc_ptr) % 2) { - remaining_words = - (BCC(smb_buffer_response) - 1) / 2; - /* Unicode strings must be word - aligned */ - bcc_ptr++; - } else { - remaining_words = - BCC(smb_buffer_response) / 2; - } - len = - UniStrnlen((wchar_t *) bcc_ptr, - remaining_words - 1); -/* We look for obvious messed up bcc or strings in response so we do not go off - the end since (at least) WIN2K and Windows XP have a major bug in not null - terminating last Unicode string in response */ - kfree(ses->serverOS); - ses->serverOS = kzalloc(2 * (len + 1), - GFP_KERNEL); - if (ses->serverOS == NULL) - goto sesssetup_nomem; - cifs_strfromUCS_le(ses->serverOS, - (__le16 *)bcc_ptr, - len, nls_codepage); - bcc_ptr += 2 * (len + 1); - remaining_words -= len + 1; - ses->serverOS[2 * len] = 0; - ses->serverOS[1 + (2 * len)] = 0; - if (remaining_words > 0) { - len = UniStrnlen((wchar_t *)bcc_ptr, - remaining_words-1); - kfree(ses->serverNOS); - ses->serverNOS = kzalloc(2 * (len + 1), - GFP_KERNEL); - if (ses->serverNOS == NULL) - goto sesssetup_nomem; - cifs_strfromUCS_le(ses->serverNOS, - (__le16 *)bcc_ptr, - len, nls_codepage); - bcc_ptr += 2 * (len + 1); - ses->serverNOS[2 * len] = 0; - ses->serverNOS[1 + (2 * len)] = 0; - if (strncmp(ses->serverNOS, - "NT LAN Manager 4", 16) == 0) { - cFYI(1, ("NT4 server")); - ses->flags |= CIFS_SES_NT4; - } - remaining_words -= len + 1; - if (remaining_words > 0) { - len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); - /* last string is not always null terminated - (for e.g. for Windows XP & 2000) */ - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2*(len+1), - GFP_KERNEL); - if (ses->serverDomain == NULL) - goto sesssetup_nomem; - cifs_strfromUCS_le(ses->serverDomain, - (__le16 *)bcc_ptr, - len, nls_codepage); - bcc_ptr += 2 * (len + 1); - ses->serverDomain[2*len] = 0; - ses->serverDomain[1+(2*len)] = 0; - } else { /* else no more room so create - dummy domain string */ - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2, GFP_KERNEL); - } - } else { /* no room so create dummy domain - and NOS string */ - - /* if these kcallocs fail not much we - can do, but better to not fail the - sesssetup itself */ - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2, GFP_KERNEL); - kfree(ses->serverNOS); - ses->serverNOS = - kzalloc(2, GFP_KERNEL); - } - } else { /* ASCII */ - len = strnlen(bcc_ptr, 1024); - if (((long) bcc_ptr + len) - (long) - pByteArea(smb_buffer_response) - <= BCC(smb_buffer_response)) { - kfree(ses->serverOS); - ses->serverOS = kzalloc(len + 1, - GFP_KERNEL); - if (ses->serverOS == NULL) - goto sesssetup_nomem; - strncpy(ses->serverOS, bcc_ptr, len); - - bcc_ptr += len; - /* null terminate the string */ - bcc_ptr[0] = 0; - bcc_ptr++; - - len = strnlen(bcc_ptr, 1024); - kfree(ses->serverNOS); - ses->serverNOS = kzalloc(len + 1, - GFP_KERNEL); - if (ses->serverNOS == NULL) - goto sesssetup_nomem; - strncpy(ses->serverNOS, bcc_ptr, len); - bcc_ptr += len; - bcc_ptr[0] = 0; - bcc_ptr++; - - len = strnlen(bcc_ptr, 1024); - kfree(ses->serverDomain); - ses->serverDomain = kzalloc(len + 1, - GFP_KERNEL); - if (ses->serverDomain == NULL) - goto sesssetup_nomem; - strncpy(ses->serverDomain, bcc_ptr, - len); - bcc_ptr += len; - bcc_ptr[0] = 0; - bcc_ptr++; - } else - cFYI(1, - ("Variable field of length %d " - "extends beyond end of smb ", - len)); - } - } else { - cERROR(1, ("Security Blob Length extends beyond " - "end of SMB")); - } - } else { - cERROR(1, ("Invalid Word count %d: ", - smb_buffer_response->WordCount)); - rc = -EIO; - } -sesssetup_nomem: /* do not return an error on nomem for the info strings, - since that could make reconnection harder, and - reconnection might be needed to free memory */ - cifs_buf_release(smb_buffer); - - return rc; -} - static int CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, struct cifsSesInfo *ses, bool *pNTLMv2_flag, @@ -3229,6 +2925,7 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, return rc; } + static int CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, char *ntlm_session_key, bool ntlmv2_flag, @@ -3831,83 +3528,19 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, pSesInfo->capabilities = server->capabilities; if (linuxExtEnabled == 0) pSesInfo->capabilities &= (~CAP_UNIX); - /* pSesInfo->sequence_number = 0;*/ + cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d", server->secMode, server->capabilities, server->timeAdj)); - if (experimEnabled < 2) - rc = CIFS_SessSetup(xid, pSesInfo, first_time, nls_info); - else if (extended_security - && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY) - && (server->secType == NTLMSSP)) { - rc = -EOPNOTSUPP; - } else if (extended_security - && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY) - && (server->secType == RawNTLMSSP)) { - cFYI(1, ("NTLMSSP sesssetup")); - rc = CIFSNTLMSSPNegotiateSessSetup(xid, pSesInfo, &ntlmv2_flag, - nls_info); - if (!rc) { - if (ntlmv2_flag) { - char *v2_response; - cFYI(1, ("more secure NTLM ver2 hash")); - if (CalcNTLMv2_partial_mac_key(pSesInfo, - nls_info)) { - rc = -ENOMEM; - goto ss_err_exit; - } else - v2_response = kmalloc(16 + 64 /* blob*/, - GFP_KERNEL); - if (v2_response) { - CalcNTLMv2_response(pSesInfo, - v2_response); - /* if (first_time) - cifs_calculate_ntlmv2_mac_key */ - kfree(v2_response); - /* BB Put dummy sig in SessSetup PDU? */ - } else { - rc = -ENOMEM; - goto ss_err_exit; - } - - } else { - SMBNTencrypt(pSesInfo->password, - server->cryptKey, - ntlm_session_key); - - if (first_time) - cifs_calculate_mac_key( - &server->mac_signing_key, - ntlm_session_key, - pSesInfo->password); - } - /* for better security the weaker lanman hash not sent - in AuthSessSetup so we no longer calculate it */ - - rc = CIFSNTLMSSPAuthSessSetup(xid, pSesInfo, - ntlm_session_key, - ntlmv2_flag, - nls_info); - } - } else { /* old style NTLM 0.12 session setup */ - SMBNTencrypt(pSesInfo->password, server->cryptKey, - ntlm_session_key); - - if (first_time) - cifs_calculate_mac_key(&server->mac_signing_key, - ntlm_session_key, - pSesInfo->password); - - rc = CIFSSessSetup(xid, pSesInfo, ntlm_session_key, nls_info); - } + rc = CIFS_SessSetup(xid, pSesInfo, first_time, nls_info); if (rc) { cERROR(1, ("Send error in SessSetup = %d", rc)); } else { cFYI(1, ("CIFS Session Established successfully")); - spin_lock(&GlobalMid_Lock); - pSesInfo->status = CifsGood; - pSesInfo->need_reconnect = false; - spin_unlock(&GlobalMid_Lock); + spin_lock(&GlobalMid_Lock); + pSesInfo->status = CifsGood; + pSesInfo->need_reconnect = false; + spin_unlock(&GlobalMid_Lock); } ss_err_exit: From 96c16743973e8c1a7b9c655d10b7973408d6d1dd Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Thu, 30 Apr 2009 18:24:34 +0200 Subject: [PATCH 303/478] ide-cd: fix REQ_QUIET tests in cdrom_decode_status Original patch (dfa4411cc3a690011cab90e9a536938795366cf9) was buggy. This is a more proper fix which introduces blk_rq_quiet() macro alleviating the need for dumb, too short caching variables. Thanks to Helge Deller and Bart for debugging this. Signed-off-by: Borislav Petkov Cc: Jens Axboe Cc: Sergei Shtylyov Reported-and-tested-by: Helge Deller Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 9 ++++----- include/linux/blkdev.h | 1 + 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 3d4e09969763..925eb9e245d1 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -312,7 +312,6 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->rq; int err, sense_key, do_end_request = 0; - u8 quiet = rq->cmd_flags & REQ_QUIET; /* get the IDE error register */ err = ide_read_error(drive); @@ -347,7 +346,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) } else { cdrom_saw_media_change(drive); - if (blk_fs_request(rq) && !quiet) + if (blk_fs_request(rq) && !blk_rq_quiet(rq)) printk(KERN_ERR PFX "%s: tray open\n", drive->name); } @@ -382,7 +381,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) * No point in retrying after an illegal request or data * protect error. */ - if (!quiet) + if (!blk_rq_quiet(rq)) ide_dump_status(drive, "command error", stat); do_end_request = 1; break; @@ -391,14 +390,14 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) * No point in re-trying a zillion times on a bad sector. * If we got here the error is not correctable. */ - if (!quiet) + if (!blk_rq_quiet(rq)) ide_dump_status(drive, "media error " "(bad sector)", stat); do_end_request = 1; break; case BLANK_CHECK: /* disk appears blank? */ - if (!quiet) + if (!blk_rq_quiet(rq)) ide_dump_status(drive, "media error (blank)", stat); do_end_request = 1; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ba54c834a590..6f841fb1be30 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -598,6 +598,7 @@ enum { blk_failfast_transport(rq) || \ blk_failfast_driver(rq)) #define blk_rq_started(rq) ((rq)->cmd_flags & REQ_STARTED) +#define blk_rq_quiet(rq) ((rq)->cmd_flags & REQ_QUIET) #define blk_account_rq(rq) (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) From 1af28ceb923d04357733642a3dbc4497da4db1c2 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Tue, 17 Mar 2009 19:00:30 +0300 Subject: [PATCH 304/478] Enable dfs submounts to handle remote referrals. Having remote dfs root support in cifs_mount, we can afford to pass into it UNC that is remote. Signed-off-by: Igor Mammedov Acked-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/cifs_dfs_ref.c | 32 ++++++++++++++------------------ 1 file changed, 14 insertions(+), 18 deletions(-) diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 5fdbf8a14472..896b08fb1ec0 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -341,27 +341,23 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) for (i = 0; i < num_referrals; i++) { dump_referral(referrals+i); - /* connect to a storage node */ - if (referrals[i].flags & DFSREF_STORAGE_SERVER) { - int len; - len = strlen(referrals[i].node_name); - if (len < 2) { - cERROR(1, ("%s: Net Address path too short: %s", + /* connect to a node */ + int len; + len = strlen(referrals[i].node_name); + if (len < 2) { + cERROR(1, ("%s: Net Address path too short: %s", __func__, referrals[i].node_name)); - rc = -EINVAL; - goto out_err; - } - mnt = cifs_dfs_do_refmount(nd->path.mnt, - nd->path.dentry, - referrals + i); - cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p", - __func__, + rc = -EINVAL; + goto out_err; + } + mnt = cifs_dfs_do_refmount(nd->path.mnt, + nd->path.dentry, referrals + i); + cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p", __func__, referrals[i].node_name, mnt)); - /* complete mount procedure if we accured submount */ - if (!IS_ERR(mnt)) - break; - } + /* complete mount procedure if we accured submount */ + if (!IS_ERR(mnt)) + break; } /* we need it cause for() above could exit without valid submount */ From 5c2503a8e339fbc82f49d5706c5a4ad650dd9711 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Tue, 21 Apr 2009 19:31:05 +0400 Subject: [PATCH 305/478] Added loop check when mounting DFS tree. Added loop check when mounting DFS tree. mount will fail with ELOOP if referral walks exceed MAX_NESTED_LINK count. Signed-off-by: Igor Mammedov Acked-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/connect.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 579a628d1e65..7e5d4fda4936 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include #include @@ -2278,6 +2279,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, #ifdef CONFIG_CIFS_DFS_UPCALL struct dfs_info3_param *referrals = NULL; unsigned int num_referrals = 0; + int referral_walks_count = 0; try_mount_again: #endif full_path = NULL; @@ -2525,6 +2527,16 @@ remote_path_check: /* get referral if needed */ if (rc == -EREMOTE) { #ifdef CONFIG_CIFS_DFS_UPCALL + if (referral_walks_count > MAX_NESTED_LINKS) { + /* + * BB: when we implement proper loop detection, + * we will remove this check. But now we need it + * to prevent an indefinite loop if 'DFS tree' is + * misconfigured (i.e. has loops). + */ + rc = -ELOOP; + goto mount_fail_check; + } /* convert forward to back slashes in prepath here if needed */ if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) == 0) convert_delimiter(cifs_sb->prepath, @@ -2558,6 +2570,7 @@ remote_path_check: cleanup_volume_info(&volume_info); FreeXid(xid); kfree(full_path); + referral_walks_count++; goto try_mount_again; } #else /* No DFS support, return error on mount */ From eacaad01b4e67336b5b3f4db6dc15ef92c64b47d Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 28 Apr 2009 07:49:21 -0700 Subject: [PATCH 306/478] Input: document the multi-touch (MT) protocol This patchs adds documentation for the multi-touch protocol to Documentation/input/. [randy.dunlap@oracle.com: grammar fixes] Signed-off-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- Documentation/input/multi-touch-protocol.txt | 140 +++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 Documentation/input/multi-touch-protocol.txt diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt new file mode 100644 index 000000000000..9f09557aea39 --- /dev/null +++ b/Documentation/input/multi-touch-protocol.txt @@ -0,0 +1,140 @@ +Multi-touch (MT) Protocol +------------------------- + Copyright (C) 2009 Henrik Rydberg + + +Introduction +------------ + +In order to utilize the full power of the new multi-touch devices, a way to +report detailed finger data to user space is needed. This document +describes the multi-touch (MT) protocol which allows kernel drivers to +report details for an arbitrary number of fingers. + + +Usage +----- + +Anonymous finger details are sent sequentially as separate packets of ABS +events. Only the ABS_MT events are recognized as part of a finger +packet. The end of a packet is marked by calling the input_mt_sync() +function, which generates a SYN_MT_REPORT event. The end of multi-touch +transfer is marked by calling the usual input_sync() function. + +A set of ABS_MT events with the desired properties is defined. The events +are divided into categories, to allow for partial implementation. The +minimum set consists of ABS_MT_TOUCH_MAJOR, ABS_MT_POSITION_X and +ABS_MT_POSITION_Y, which allows for multiple fingers to be tracked. If the +device supports it, the ABS_MT_WIDTH_MAJOR may be used to provide the size +of the approaching finger. Anisotropy and direction may be specified with +ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and ABS_MT_ORIENTATION. Devices with +more granular information may specify general shapes as blobs, i.e., as a +sequence of rectangular shapes grouped together by an +ABS_MT_BLOB_ID. Finally, the ABS_MT_TOOL_TYPE may be used to specify +whether the touching tool is a finger or a pen or something else. + + +Event Semantics +--------------- + +The word "contact" is used to describe a tool which is in direct contact +with the surface. A finger, a pen or a rubber all classify as contacts. + +ABS_MT_TOUCH_MAJOR + +The length of the major axis of the contact. The length should be given in +surface units. If the surface has an X times Y resolution, the largest +possible value of ABS_MT_TOUCH_MAJOR is sqrt(X^2 + Y^2), the diagonal. + +ABS_MT_TOUCH_MINOR + +The length, in surface units, of the minor axis of the contact. If the +contact is circular, this event can be omitted. + +ABS_MT_WIDTH_MAJOR + +The length, in surface units, of the major axis of the approaching +tool. This should be understood as the size of the tool itself. The +orientation of the contact and the approaching tool are assumed to be the +same. + +ABS_MT_WIDTH_MINOR + +The length, in surface units, of the minor axis of the approaching +tool. Omit if circular. + +The above four values can be used to derive additional information about +the contact. The ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR approximates +the notion of pressure. The fingers of the hand and the palm all have +different characteristic widths [1]. + +ABS_MT_ORIENTATION + +The orientation of the ellipse. The value should describe half a revolution +clockwise around the touch center. The scale of the value is arbitrary, but +zero should be returned for an ellipse aligned along the Y axis of the +surface. As an example, an index finger placed straight onto the axis could +return zero orientation, something negative when twisted to the left, and +something positive when twisted to the right. This value can be omitted if +the touching object is circular, or if the information is not available in +the kernel driver. + +ABS_MT_POSITION_X + +The surface X coordinate of the center of the touching ellipse. + +ABS_MT_POSITION_Y + +The surface Y coordinate of the center of the touching ellipse. + +ABS_MT_TOOL_TYPE + +The type of approaching tool. A lot of kernel drivers cannot distinguish +between different tool types, such as a finger or a pen. In such cases, the +event should be omitted. The protocol currently supports MT_TOOL_FINGER and +MT_TOOL_PEN [2]. + +ABS_MT_BLOB_ID + +The BLOB_ID groups several packets together into one arbitrarily shaped +contact. This is a low-level anonymous grouping, and should not be confused +with the high-level contactID, explained below. Most kernel drivers will +not have this capability, and can safely omit the event. + + +Finger Tracking +--------------- + +The kernel driver should generate an arbitrary enumeration of the set of +anonymous contacts currently on the surface. The order in which the packets +appear in the event stream is not important. + +The process of finger tracking, i.e., to assign a unique contactID to each +initiated contact on the surface, is left to user space; preferably the +multi-touch X driver [3]. In that driver, the contactID stays the same and +unique until the contact vanishes (when the finger leaves the surface). The +problem of assigning a set of anonymous fingers to a set of identified +fingers is a euclidian bipartite matching problem at each event update, and +relies on a sufficiently rapid update rate. + +Notes +----- + +In order to stay compatible with existing applications, the data +reported in a finger packet must not be recognized as single-touch +events. In addition, all finger data must bypass input filtering, +since subsequent events of the same type refer to different fingers. + +The first kernel driver to utilize the MT protocol is the bcm5974 driver, +where examples can be found. + +[1] With the extension ABS_MT_APPROACH_X and ABS_MT_APPROACH_Y, the +difference between the contact position and the approaching tool position +could be used to derive tilt. +[2] The list can of course be extended. +[3] The multi-touch X driver is currently in the prototyping stage. At the +time of writing (April 2009), the MT protocol is not yet merged, and the +prototype implements finger matching, basic mouse support and two-finger +scrolling. The project aims at improving the quality of current multi-touch +functionality available in the synaptics X driver, and in addition +implement more advanced gestures. From d185cda7712fd1d9e349174639d76eadc66679be Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 30 Apr 2009 17:45:10 +0000 Subject: [PATCH 307/478] [CIFS] rename cifs_strndup to cifs_strndup_from_ucs In most cases, cifs_strndup is converting from Unicode (UCS2 / UTF-32) to the configured local code page for the Linux mount (usually UTF8), so Jeff suggested that to make it more clear that cifs_strndup is doing a conversion not just memory allocation and copy, rename the function to including "from_ucs" (ie Unicode) Signed-off-by: Steve French --- fs/cifs/CHANGES | 6 +++++- fs/cifs/cifs_unicode.c | 6 +++--- fs/cifs/cifs_unicode.h | 7 ++++--- fs/cifs/cifssmb.c | 12 ++++++------ fs/cifs/connect.c | 5 +++-- fs/cifs/sess.c | 8 ++++---- 6 files changed, 25 insertions(+), 19 deletions(-) diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 1bf818136276..1b0643c2eac6 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -2,7 +2,11 @@ Version 1.58 ------------ Guard against buffer overruns in various UCS-2 to UTF-8 string conversions when the UTF-8 string is composed of unusually long (more than 4 byte) converted -characters. +characters. Add support for mounting root of a share which redirects immediately +to DFS target. Convert string conversion functions from Unicode to more +accurately mark string length before allocating memory (which may help the +rare cases where a UTF-8 string is much larger than the UCS2 string that +we converted from). Version 1.57 ------------ diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 2a879cff3a40..6382720acf7c 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -1,7 +1,7 @@ /* * fs/cifs/cifs_unicode.c * - * Copyright (c) International Business Machines Corp., 2000,2005 + * Copyright (c) International Business Machines Corp., 2000,2009 * Modified by Steve French (sfrench@us.ibm.com) * * This program is free software; you can redistribute it and/or modify @@ -244,7 +244,7 @@ cifs_strtoUCS(__le16 *to, const char *from, int len, } /* - * cifs_strndup - copy a string from wire format to the local codepage + * cifs_strndup_from_ucs - copy a string from wire format to the local codepage * @src - source string * @maxlen - don't walk past this many bytes in the source string * @is_unicode - is this a unicode string? @@ -255,7 +255,7 @@ cifs_strtoUCS(__le16 *to, const char *from, int len, * error. */ char * -cifs_strndup(const char *src, const int maxlen, const bool is_unicode, +cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode, const struct nls_table *codepage) { int len; diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index e620f0b42201..1570a701bf3f 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -5,7 +5,7 @@ * Convert a unicode character to upper or lower case using * compressed tables. * - * Copyright (c) International Business Machines Corp., 2000,2007 + * Copyright (c) International Business Machines Corp., 2000,2009 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -78,8 +78,9 @@ int cifs_ucs2_bytes(const __le16 *from, int maxbytes, const struct nls_table *codepage); int cifs_strfromUCS_le(char *, const __le16 *, int, const struct nls_table *); int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *); -char *cifs_strndup(const char *src, const int maxlen, const bool is_unicode, - const struct nls_table *codepage); +char *cifs_strndup_from_ucs(const char *src, const int maxlen, + const bool is_unicode, + const struct nls_table *codepage); #endif /* diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index dfb8e391d538..df5276e628bf 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1,7 +1,7 @@ /* * fs/cifs/cifssmb.c * - * Copyright (C) International Business Machines Corp., 2002,2008 + * Copyright (C) International Business Machines Corp., 2002,2009 * Author(s): Steve French (sfrench@us.ibm.com) * * Contains the routines for constructing the SMB PDUs themselves @@ -2457,7 +2457,7 @@ querySymLinkRetry: le16_to_cpu(pSMBr->t2.DataOffset); /* BB FIXME investigate remapping reserved chars here */ - *symlinkinfo = cifs_strndup(data_start, count, + *symlinkinfo = cifs_strndup_from_ucs(data_start, count, pSMBr->hdr.Flags2 & SMBFLG2_UNICODE, nls_codepage); @@ -3965,8 +3965,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, /* copy DfsPath */ temp = (char *)ref + le16_to_cpu(ref->DfsPathOffset); max_len = data_end - temp; - node->path_name = cifs_strndup(temp, max_len, is_unicode, - nls_codepage); + node->path_name = cifs_strndup_from_ucs(temp, max_len, + is_unicode, nls_codepage); if (IS_ERR(node->path_name)) { rc = PTR_ERR(node->path_name); node->path_name = NULL; @@ -3976,8 +3976,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, /* copy link target UNC */ temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset); max_len = data_end - temp; - node->node_name = cifs_strndup(temp, max_len, is_unicode, - nls_codepage); + node->node_name = cifs_strndup_from_ucs(temp, max_len, + is_unicode, nls_codepage); if (IS_ERR(node->node_name)) { rc = PTR_ERR(node->node_name); node->node_name = NULL; diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 7e5d4fda4936..39f5362e2cb5 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1,7 +1,7 @@ /* * fs/cifs/connect.c * - * Copyright (C) International Business Machines Corp., 2002,2008 + * Copyright (C) International Business Machines Corp., 2002,2009 * Author(s): Steve French (sfrench@us.ibm.com) * * This library is free software; you can redistribute it and/or modify @@ -3463,7 +3463,8 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, strncpy(tcon->treeName, tree, MAX_TREE_SIZE); /* mostly informational -- no need to fail on error here */ - tcon->nativeFileSystem = cifs_strndup(bcc_ptr, bytes_left, + tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr, + bytes_left, smb_buffer->Flags2 & SMBFLG2_UNICODE, nls_codepage); diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 93022dc9babb..2bcff17047ab 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -3,7 +3,7 @@ * * SMB/CIFS session setup handling routines * - * Copyright (c) International Business Machines Corp., 2006, 2007 + * Copyright (c) International Business Machines Corp., 2006, 2009 * Author(s): Steve French (sfrench@us.ibm.com) * * This library is free software; you can redistribute it and/or modify @@ -300,7 +300,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifsSesInfo *ses, } kfree(ses->serverOS); - ses->serverOS = cifs_strndup(data, bleft, true, nls_cp); + ses->serverOS = cifs_strndup_from_ucs(data, bleft, true, nls_cp); cFYI(1, ("serverOS=%s", ses->serverOS)); len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2; data += len; @@ -309,7 +309,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifsSesInfo *ses, return; kfree(ses->serverNOS); - ses->serverNOS = cifs_strndup(data, bleft, true, nls_cp); + ses->serverNOS = cifs_strndup_from_ucs(data, bleft, true, nls_cp); cFYI(1, ("serverNOS=%s", ses->serverNOS)); len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2; data += len; @@ -318,7 +318,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifsSesInfo *ses, return; kfree(ses->serverDomain); - ses->serverDomain = cifs_strndup(data, bleft, true, nls_cp); + ses->serverDomain = cifs_strndup_from_ucs(data, bleft, true, nls_cp); cFYI(1, ("serverDomain=%s", ses->serverDomain)); return; From 9cba3ccc8fe77b67aff2db8f5827d7cb752ce11f Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Thu, 30 Apr 2009 17:06:03 +0100 Subject: [PATCH 308/478] [ARM] 5488/1: ARM errata: Invalidation of the Instruction Cache operation can fail This patch implements the recommended workaround for erratum 411920 (ARM1136, ARM1156, ARM1176). Signed-off-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/Kconfig | 9 +++++++++ arch/arm/mm/cache-v6.S | 33 +++++++++++++++++++++++++++++++++ arch/arm/mm/flush.c | 23 +++++++++++++++++++++-- 3 files changed, 63 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 99875dd06f50..e28a76bd1793 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -740,6 +740,15 @@ if !MMU source "arch/arm/Kconfig-nommu" endif +config ARM_ERRATA_411920 + bool "ARM errata: Invalidation of the Instruction Cache operation can fail" + depends on CPU_V6 && !SMP + help + Invalidation of the Instruction Cache operation can + fail. This erratum is present in 1136 (before r1p4), 1156 and 1176. + It does not affect the MPCore. This option enables the ARM Ltd. + recommended workaround. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 2c6c2a7c05a0..8f5c13f4c936 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -20,6 +20,31 @@ #define D_CACHE_LINE_SIZE 32 #define BTB_FLUSH_SIZE 8 +#ifdef CONFIG_ARM_ERRATA_411920 +/* + * Invalidate the entire I cache (this code is a workaround for the ARM1136 + * erratum 411920 - Invalidate Instruction Cache operation can fail. This + * erratum is present in 1136, 1156 and 1176. It does not affect the MPCore. + * + * Registers: + * r0 - set to 0 + * r1 - corrupted + */ +ENTRY(v6_icache_inval_all) + mov r0, #0 + mrs r1, cpsr + cpsid ifa @ disable interrupts + mcr p15, 0, r0, c7, c5, 0 @ invalidate entire I-cache + mcr p15, 0, r0, c7, c5, 0 @ invalidate entire I-cache + mcr p15, 0, r0, c7, c5, 0 @ invalidate entire I-cache + mcr p15, 0, r0, c7, c5, 0 @ invalidate entire I-cache + msr cpsr_cx, r1 @ restore interrupts + .rept 11 @ ARM Ltd recommends at least + nop @ 11 NOPs + .endr + mov pc, lr +#endif + /* * v6_flush_cache_all() * @@ -31,7 +56,11 @@ ENTRY(v6_flush_kern_cache_all) mov r0, #0 #ifdef HARVARD_CACHE mcr p15, 0, r0, c7, c14, 0 @ D cache clean+invalidate +#ifndef CONFIG_ARM_ERRATA_411920 mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate +#else + b v6_icache_inval_all +#endif #else mcr p15, 0, r0, c7, c15, 0 @ Cache clean+invalidate #endif @@ -103,7 +132,11 @@ ENTRY(v6_coherent_user_range) mov r0, #0 #ifdef HARVARD_CACHE mcr p15, 0, r0, c7, c10, 4 @ drain write buffer +#ifndef CONFIG_ARM_ERRATA_411920 mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate +#else + b v6_icache_inval_all +#endif #else mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB #endif diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 4e283481cee1..c07222eb5ce0 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -18,6 +18,10 @@ #include "mm.h" +#ifdef CONFIG_ARM_ERRATA_411920 +extern void v6_icache_inval_all(void); +#endif + #ifdef CONFIG_CPU_CACHE_VIPT #define ALIAS_FLUSH_START 0xffff4000 @@ -32,10 +36,15 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) asm( "mcrr p15, 0, %1, %0, c14\n" " mcr p15, 0, %2, c7, c10, 4\n" +#ifndef CONFIG_ARM_ERRATA_411920 " mcr p15, 0, %2, c7, c5, 0\n" +#endif : : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero) : "cc"); +#ifdef CONFIG_ARM_ERRATA_411920 + v6_icache_inval_all(); +#endif } void flush_cache_mm(struct mm_struct *mm) @@ -48,11 +57,16 @@ void flush_cache_mm(struct mm_struct *mm) if (cache_is_vipt_aliasing()) { asm( "mcr p15, 0, %0, c7, c14, 0\n" + " mcr p15, 0, %0, c7, c10, 4\n" +#ifndef CONFIG_ARM_ERRATA_411920 " mcr p15, 0, %0, c7, c5, 0\n" - " mcr p15, 0, %0, c7, c10, 4" +#endif : : "r" (0) : "cc"); +#ifdef CONFIG_ARM_ERRATA_411920 + v6_icache_inval_all(); +#endif } } @@ -67,11 +81,16 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned if (cache_is_vipt_aliasing()) { asm( "mcr p15, 0, %0, c7, c14, 0\n" + " mcr p15, 0, %0, c7, c10, 4\n" +#ifndef CONFIG_ARM_ERRATA_411920 " mcr p15, 0, %0, c7, c5, 0\n" - " mcr p15, 0, %0, c7, c10, 4" +#endif : : "r" (0) : "cc"); +#ifdef CONFIG_ARM_ERRATA_411920 + v6_icache_inval_all(); +#endif } } From 7ce236fcd6fd45b0441a2d49acb2ceb2de2e8a47 Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Thu, 30 Apr 2009 17:06:09 +0100 Subject: [PATCH 309/478] [ARM] 5487/1: ARM errata: Stale prediction on replaced interworking branch This patch adds the workaround for the 430973 Cortex-A8 (r1p0..r1p2) erratum. The BTAC/BTB is now flushed at every context switch. Signed-off-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/Kconfig | 16 ++++++++++++++++ arch/arm/mm/proc-v7.S | 8 ++++++++ 2 files changed, 24 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e28a76bd1793..84e4816362b3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -749,6 +749,22 @@ config ARM_ERRATA_411920 It does not affect the MPCore. This option enables the ARM Ltd. recommended workaround. +config ARM_ERRATA_430973 + bool "ARM errata: Stale prediction on replaced interworking branch" + depends on CPU_V7 + help + This option enables the workaround for the 430973 Cortex-A8 + (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb + interworking branch is replaced with another code sequence at the + same virtual address, whether due to self-modifying code or virtual + to physical address re-mapping, Cortex-A8 does not recover from the + stale interworking branch prediction. This results in Cortex-A8 + executing the new code sequence in the incorrect ARM or Thumb state. + The workaround enables the BTB/BTAC operations by setting ACTLR.IBE + and also flushes the branch target cache at every context switch. + Note that setting specific bits in the ACTLR register may not be + available in non-secure mode. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index d1ebec42521d..fc81159596fe 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -95,6 +95,9 @@ ENTRY(cpu_v7_switch_mm) mov r2, #0 ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id orr r0, r0, #TTB_FLAGS +#ifdef CONFIG_ARM_ERRATA_430973 + mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB +#endif mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID isb 1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 @@ -180,6 +183,11 @@ __v7_setup: stmia r12, {r0-r5, r7, r9, r11, lr} bl v7_flush_dcache_all ldmia r12, {r0-r5, r7, r9, r11, lr} +#ifdef CONFIG_ARM_ERRATA_430973 + mrc p15, 0, r10, c1, c0, 1 @ read aux control register + orr r10, r10, #(1 << 6) @ set IBE to 1 + mcr p15, 0, r10, c1, c0, 1 @ write aux control register +#endif mov r10, #0 #ifdef HARVARD_CACHE mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate From 855c551f5b8cc3815d58e1056c1f1e7c461e2d24 Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Thu, 30 Apr 2009 17:06:15 +0100 Subject: [PATCH 310/478] [ARM] 5490/1: ARM errata: Processor deadlock when a false hazard is created This patch adds a workaround for the 458693 Cortex-A8 (r2p0) erratum. It sets the corresponding bits in the auxiliary control register so that the PLD instruction becomes a NOP. Signed-off-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/Kconfig | 13 +++++++++++++ arch/arm/mm/proc-v7.S | 6 ++++++ 2 files changed, 19 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 84e4816362b3..49f85664083d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -765,6 +765,19 @@ config ARM_ERRATA_430973 Note that setting specific bits in the ACTLR register may not be available in non-secure mode. +config ARM_ERRATA_458693 + bool "ARM errata: Processor deadlock when a false hazard is created" + depends on CPU_V7 + help + This option enables the workaround for the 458693 Cortex-A8 (r2p0) + erratum. For very specific sequences of memory operations, it is + possible for a hazard condition intended for a cache line to instead + be incorrectly associated with a different cache line. This false + hazard might then cause a processor deadlock. The workaround enables + the L1 caching of the NEON accesses and disables the PLD instruction + in the ACTLR register. Note that setting specific bits in the ACTLR + register may not be available in non-secure mode. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index fc81159596fe..370baa7a0f08 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -187,6 +187,12 @@ __v7_setup: mrc p15, 0, r10, c1, c0, 1 @ read aux control register orr r10, r10, #(1 << 6) @ set IBE to 1 mcr p15, 0, r10, c1, c0, 1 @ write aux control register +#endif +#ifdef CONFIG_ARM_ERRATA_458693 + mrc p15, 0, r10, c1, c0, 1 @ read aux control register + orr r10, r10, #(1 << 5) @ set L1NEON to 1 + orr r10, r10, #(1 << 9) @ set PLDNOP to 1 + mcr p15, 0, r10, c1, c0, 1 @ write aux control register #endif mov r10, #0 #ifdef HARVARD_CACHE From 0516e4643cd22fc9f535aef02ad1de66c382c93b Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Thu, 30 Apr 2009 17:06:20 +0100 Subject: [PATCH 311/478] [ARM] 5489/1: ARM errata: Data written to the L2 cache can be overwritten with stale data This patch is a workaround for the 460075 Cortex-A8 (r2p0) erratum. It configures the L2 cache auxiliary control register so that the Write Allocate mode for the L2 cache is disabled. Signed-off-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/Kconfig | 12 ++++++++++++ arch/arm/mm/proc-v7.S | 5 +++++ 2 files changed, 17 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 49f85664083d..9faccc411c2a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -778,6 +778,18 @@ config ARM_ERRATA_458693 in the ACTLR register. Note that setting specific bits in the ACTLR register may not be available in non-secure mode. +config ARM_ERRATA_460075 + bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" + depends on CPU_V7 + help + This option enables the workaround for the 460075 Cortex-A8 (r2p0) + erratum. Any asynchronous access to the L2 cache may encounter a + situation in which recent store transactions to the L2 cache are lost + and overwritten with stale memory contents from external memory. The + workaround disables the write-allocate mode for the L2 cache via the + ACTLR register. Note that setting specific bits in the ACTLR register + may not be available in non-secure mode. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 370baa7a0f08..f2305441e7d1 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -193,6 +193,11 @@ __v7_setup: orr r10, r10, #(1 << 5) @ set L1NEON to 1 orr r10, r10, #(1 << 9) @ set PLDNOP to 1 mcr p15, 0, r10, c1, c0, 1 @ write aux control register +#endif +#ifdef CONFIG_ARM_ERRATA_460075 + mrc p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register + orr r10, r10, #(1 << 22) @ set the Write Allocate disable bit + mcr p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register #endif mov r10, #0 #ifdef HARVARD_CACHE From dfa13f39b798fee68250abe1aed851395c8b51b5 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 29 Apr 2009 17:55:08 -0700 Subject: [PATCH 312/478] ocfs2: Fix a missing credit when deleting from indexed directories. The ocfs2 directory index updates two blocks when we remove an entry - the dx root and the dx leaf. OCFS2_DELETE_INODE_CREDITS was only accounting for the dx leaf. This shows up when ocfs2_delete_inode() runs out of credits in jbd2_journal_dirty_metadata() at "J_ASSERT_JH(jh, handle->h_buffer_credits > 0);". The test that caught this was running dirop_file_racer from the ocfs2-test suite with a 250-character filename PREFIX. Run on a 512B blocksize, it forces the orphan dir index to grow large enough to trigger. Signed-off-by: Joel Becker --- fs/ocfs2/journal.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 619dd7f6c053..eb7b76331eb7 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -437,8 +437,9 @@ static inline int ocfs2_unlink_credits(struct super_block *sb) } /* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry + - * inode alloc group descriptor + orphan dir index leaf */ -#define OCFS2_DELETE_INODE_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3) + * inode alloc group descriptor + orphan dir index root + + * orphan dir index leaf */ +#define OCFS2_DELETE_INODE_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 4) /* dinode update, old dir dinode update, new dir dinode update, old * dir dir entry, new dir dir entry, dir entry update for renaming From 2191aebaf9af9125bfee32808babe6f61446c8a6 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 17 Apr 2009 15:58:50 -0700 Subject: [PATCH 313/478] ocfs2: Change repository in MAINTAINERS. The ocfs2.git repository is moving to my kernel.org account. Signed-off-by: Joel Becker Acked-by: Mark Fasheh --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index c3b215970f7b..7625387ac8b1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3335,7 +3335,7 @@ P: Joel Becker M: joel.becker@oracle.com L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers) W: http://oss.oracle.com/projects/ocfs2/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2.git S: Supported ORINOCO DRIVER From 9e39b0ae8af46c83b85dae7ff5251911a80fce5a Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 30 Apr 2009 21:31:15 +0000 Subject: [PATCH 314/478] [CIFS] Remove unneeded QuerySymlink call and fix mapping for unmapped status Signed-off-by: Steve French --- fs/cifs/connect.c | 2 -- fs/cifs/link.c | 9 ++------- fs/cifs/netmisc.c | 2 ++ fs/cifs/nterr.h | 9 +++++++-- fs/cifs/smberr.h | 1 + 5 files changed, 12 insertions(+), 11 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 39f5362e2cb5..9d2ebab53db7 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3509,8 +3509,6 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, struct nls_table *nls_info) { int rc = 0; - char ntlm_session_key[CIFS_SESS_KEY_SIZE]; - bool ntlmv2_flag = false; int first_time = 0; struct TCP_Server_Info *server = pSesInfo->server; diff --git a/fs/cifs/link.c b/fs/cifs/link.c index e17a092f43ec..eb2fbbe865d2 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -257,13 +257,8 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen) /* BB add read reparse point symlink code and Unix extensions symlink code here BB */ -/* We could disable this based on pTcon->unix_ext flag instead ... but why? */ - if (cifs_sb->tcon->ses->capabilities & CAP_UNIX) - rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path, - tmpbuffer, - len - 1, - cifs_sb->local_nls); - else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { + + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { cERROR(1, ("SFU style symlinks not implemented yet")); /* add open and read as in fs/cifs/inode.c */ } else { diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index 8703d68f5b20..e2fe998989a3 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -79,6 +79,7 @@ static const struct smb_to_posix_error mapping_table_ERRDOS[] = { {ErrQuota, -EDQUOT}, {ErrNotALink, -ENOLINK}, {ERRnetlogonNotStarted, -ENOPROTOOPT}, + {ERRsymlink, -EOPNOTSUPP}, {ErrTooManyLinks, -EMLINK}, {0, 0} }; @@ -714,6 +715,7 @@ static const struct { ERRDOS, ERRnoaccess, 0xc000028f}, { ERRDOS, ERRnoaccess, 0xc0000290}, { ERRDOS, ERRbadfunc, 0xc000029c}, { + ERRDOS, ERRsymlink, NT_STATUS_STOPPED_ON_SYMLINK}, { ERRDOS, ERRinvlevel, 0x007c0001}, }; /***************************************************************************** diff --git a/fs/cifs/nterr.h b/fs/cifs/nterr.h index 588abbb9d08c..257267367d41 100644 --- a/fs/cifs/nterr.h +++ b/fs/cifs/nterr.h @@ -35,8 +35,6 @@ struct nt_err_code_struct { extern const struct nt_err_code_struct nt_errs[]; /* Win32 Status codes. */ - -#define STATUS_BUFFER_OVERFLOW 0x80000005 #define STATUS_MORE_ENTRIES 0x0105 #define ERROR_INVALID_PARAMETER 0x0057 #define ERROR_INSUFFICIENT_BUFFER 0x007a @@ -50,6 +48,13 @@ extern const struct nt_err_code_struct nt_errs[]; #define STATUS_SOME_UNMAPPED 0x0107 #define STATUS_BUFFER_OVERFLOW 0x80000005 #define NT_STATUS_NO_MORE_ENTRIES 0x8000001a +#define NT_STATUS_MEDIA_CHANGED 0x8000001c +#define NT_STATUS_END_OF_MEDIA 0x8000001e +#define NT_STATUS_MEDIA_CHECK 0x80000020 +#define NT_STATUS_NO_DATA_DETECTED 0x8000001c +#define NT_STATUS_STOPPED_ON_SYMLINK 0x8000002d +#define NT_STATUS_DEVICE_REQUIRES_CLEANING 0x80000288 +#define NT_STATUS_DEVICE_DOOR_OPEN 0x80000288 #define NT_STATUS_UNSUCCESSFUL 0xC0000000 | 0x0001 #define NT_STATUS_NOT_IMPLEMENTED 0xC0000000 | 0x0002 #define NT_STATUS_INVALID_INFO_CLASS 0xC0000000 | 0x0003 diff --git a/fs/cifs/smberr.h b/fs/cifs/smberr.h index 7f50e8577c1c..c5084d27db7c 100644 --- a/fs/cifs/smberr.h +++ b/fs/cifs/smberr.h @@ -110,6 +110,7 @@ /* Below errors are used internally (do not come over the wire) for passthrough from STATUS codes to POSIX only */ +#define ERRsymlink 0xFFFD #define ErrTooManyLinks 0xFFFE /* Following error codes may be generated with the ERRSRV error class.*/ From 18295796a30cada84e933d805072dc2248d54f98 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 30 Apr 2009 20:45:45 -0400 Subject: [PATCH 315/478] cifs: fix length handling in cifs_get_name_from_search_buf The earlier patch to move this code to use the new unicode helpers assumed that the filename strings would be null terminated. That's not always the case. Instead of passing "max_len" to the string converter, pass "min(len, max_len)", which makes it do the right thing while still keeping the parser confined to the response. Also fix up the prototypes of this function and the callers so that max_len is unsigned (like len is). Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/readdir.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index e1351fe18a15..5bc9ab7586bc 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -829,7 +829,7 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon, /* inode num, inode type and filename returned */ static int cifs_get_name_from_search_buf(struct qstr *pqst, char *current_entry, __u16 level, unsigned int unicode, - struct cifs_sb_info *cifs_sb, int max_len, __u64 *pinum) + struct cifs_sb_info *cifs_sb, unsigned int max_len, __u64 *pinum) { int rc = 0; unsigned int len = 0; @@ -890,7 +890,8 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst, if (unicode) { pqst->len = cifs_from_ucs2((char *) pqst->name, (__le16 *) filename, - UNICODE_NAME_MAX, max_len, nlt, + UNICODE_NAME_MAX, + min(len, max_len), nlt, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); } else { @@ -902,8 +903,8 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst, return rc; } -static int cifs_filldir(char *pfindEntry, struct file *file, - filldir_t filldir, void *direntry, char *scratch_buf, int max_len) +static int cifs_filldir(char *pfindEntry, struct file *file, filldir_t filldir, + void *direntry, char *scratch_buf, unsigned int max_len) { int rc = 0; struct qstr qstring; @@ -1000,7 +1001,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) int num_to_fill = 0; char *tmp_buf = NULL; char *end_of_smb; - int max_len; + unsigned int max_len; xid = GetXid(); From cf398e3a117b2b63da724c2365d53ce31bd7240a Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 1 May 2009 03:50:42 +0000 Subject: [PATCH 316/478] [CIFS] Fix build warning Signed-off-by: Steve French --- fs/cifs/cifs_dfs_ref.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 896b08fb1ec0..83d62759c7c7 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -340,9 +340,9 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); for (i = 0; i < num_referrals; i++) { + int len; dump_referral(referrals+i); /* connect to a node */ - int len; len = strlen(referrals[i].node_name); if (len < 2) { cERROR(1, ("%s: Net Address path too short: %s", From e14b2fe1e64d3e4bd2f328ff9d1969f318f55954 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 1 May 2009 04:37:43 +0000 Subject: [PATCH 317/478] [CIFS] Add remaining ntlmssp flags and standardize field names Signed-off-by: Steve French --- fs/cifs/connect.c | 30 ++++++++++----------- fs/cifs/ntlmssp.h | 68 +++++++++++++++++++++++++++++------------------ 2 files changed, 57 insertions(+), 41 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9d2ebab53db7..5bce2778163b 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2686,13 +2686,13 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, /* setup pointers to domain name and workstation name */ bcc_ptr += SecurityBlobLength; - SecurityBlob->WorkstationName.Buffer = 0; + SecurityBlob->WorkstationName.BufferOffset = 0; SecurityBlob->WorkstationName.Length = 0; SecurityBlob->WorkstationName.MaximumLength = 0; /* Domain not sent on first Sesssetup in NTLMSSP, instead it is sent along with username on auth request (ie the response to challenge) */ - SecurityBlob->DomainName.Buffer = 0; + SecurityBlob->DomainName.BufferOffset = 0; SecurityBlob->DomainName.Length = 0; SecurityBlob->DomainName.MaximumLength = 0; if (ses->capabilities & CAP_UNICODE) { @@ -3020,30 +3020,30 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, /* setup pointers to domain name and workstation name */ - SecurityBlob->WorkstationName.Buffer = 0; + SecurityBlob->WorkstationName.BufferOffset = 0; SecurityBlob->WorkstationName.Length = 0; SecurityBlob->WorkstationName.MaximumLength = 0; SecurityBlob->SessionKey.Length = 0; SecurityBlob->SessionKey.MaximumLength = 0; - SecurityBlob->SessionKey.Buffer = 0; + SecurityBlob->SessionKey.BufferOffset = 0; SecurityBlob->LmChallengeResponse.Length = 0; SecurityBlob->LmChallengeResponse.MaximumLength = 0; - SecurityBlob->LmChallengeResponse.Buffer = 0; + SecurityBlob->LmChallengeResponse.BufferOffset = 0; SecurityBlob->NtChallengeResponse.Length = cpu_to_le16(CIFS_SESS_KEY_SIZE); SecurityBlob->NtChallengeResponse.MaximumLength = cpu_to_le16(CIFS_SESS_KEY_SIZE); memcpy(bcc_ptr, ntlm_session_key, CIFS_SESS_KEY_SIZE); - SecurityBlob->NtChallengeResponse.Buffer = + SecurityBlob->NtChallengeResponse.BufferOffset = cpu_to_le32(SecurityBlobLength); SecurityBlobLength += CIFS_SESS_KEY_SIZE; bcc_ptr += CIFS_SESS_KEY_SIZE; if (ses->capabilities & CAP_UNICODE) { if (domain == NULL) { - SecurityBlob->DomainName.Buffer = 0; + SecurityBlob->DomainName.BufferOffset = 0; SecurityBlob->DomainName.Length = 0; SecurityBlob->DomainName.MaximumLength = 0; } else { @@ -3052,14 +3052,14 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, ln *= 2; SecurityBlob->DomainName.MaximumLength = cpu_to_le16(ln); - SecurityBlob->DomainName.Buffer = + SecurityBlob->DomainName.BufferOffset = cpu_to_le32(SecurityBlobLength); bcc_ptr += ln; SecurityBlobLength += ln; SecurityBlob->DomainName.Length = cpu_to_le16(ln); } if (user == NULL) { - SecurityBlob->UserName.Buffer = 0; + SecurityBlob->UserName.BufferOffset = 0; SecurityBlob->UserName.Length = 0; SecurityBlob->UserName.MaximumLength = 0; } else { @@ -3068,7 +3068,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, ln *= 2; SecurityBlob->UserName.MaximumLength = cpu_to_le16(ln); - SecurityBlob->UserName.Buffer = + SecurityBlob->UserName.BufferOffset = cpu_to_le32(SecurityBlobLength); bcc_ptr += ln; SecurityBlobLength += ln; @@ -3080,7 +3080,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, SecurityBlob->WorkstationName.Length *= 2; SecurityBlob->WorkstationName.MaximumLength = cpu_to_le16(SecurityBlob->WorkstationName.Length); - SecurityBlob->WorkstationName.Buffer = + SecurityBlob->WorkstationName.BufferOffset = cpu_to_le32(SecurityBlobLength); bcc_ptr += SecurityBlob->WorkstationName.Length; SecurityBlobLength += SecurityBlob->WorkstationName.Length; @@ -3112,7 +3112,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr += 2; /* null domain */ } else { /* ASCII */ if (domain == NULL) { - SecurityBlob->DomainName.Buffer = 0; + SecurityBlob->DomainName.BufferOffset = 0; SecurityBlob->DomainName.Length = 0; SecurityBlob->DomainName.MaximumLength = 0; } else { @@ -3122,14 +3122,14 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, ln = strnlen(domain, 64); SecurityBlob->DomainName.MaximumLength = cpu_to_le16(ln); - SecurityBlob->DomainName.Buffer = + SecurityBlob->DomainName.BufferOffset = cpu_to_le32(SecurityBlobLength); bcc_ptr += ln; SecurityBlobLength += ln; SecurityBlob->DomainName.Length = cpu_to_le16(ln); } if (user == NULL) { - SecurityBlob->UserName.Buffer = 0; + SecurityBlob->UserName.BufferOffset = 0; SecurityBlob->UserName.Length = 0; SecurityBlob->UserName.MaximumLength = 0; } else { @@ -3137,7 +3137,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, strncpy(bcc_ptr, user, 63); ln = strnlen(user, 64); SecurityBlob->UserName.MaximumLength = cpu_to_le16(ln); - SecurityBlob->UserName.Buffer = + SecurityBlob->UserName.BufferOffset = cpu_to_le32(SecurityBlobLength); bcc_ptr += ln; SecurityBlobLength += ln; diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h index c377d8065d99..49c9a4e75319 100644 --- a/fs/cifs/ntlmssp.h +++ b/fs/cifs/ntlmssp.h @@ -27,29 +27,39 @@ #define UnknownMessage cpu_to_le32(8) /* Negotiate Flags */ -#define NTLMSSP_NEGOTIATE_UNICODE 0x01 /* Text strings are in unicode */ -#define NTLMSSP_NEGOTIATE_OEM 0x02 /* Text strings are in OEM */ -#define NTLMSSP_REQUEST_TARGET 0x04 /* Server return its auth realm */ -#define NTLMSSP_NEGOTIATE_SIGN 0x0010 /* Request signature capability */ -#define NTLMSSP_NEGOTIATE_SEAL 0x0020 /* Request confidentiality */ -#define NTLMSSP_NEGOTIATE_DGRAM 0x0040 -#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 /* Sign/seal use LM session key */ -#define NTLMSSP_NEGOTIATE_NTLM 0x0200 /* NTLM authentication */ -#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000 +#define NTLMSSP_NEGOTIATE_UNICODE 0x01 /* Text strings are unicode */ +#define NTLMSSP_NEGOTIATE_OEM 0x02 /* Text strings are in OEM */ +#define NTLMSSP_REQUEST_TARGET 0x04 /* Srv returns its auth realm */ +/* define reserved9 0x08 */ +#define NTLMSSP_NEGOTIATE_SIGN 0x0010 /* Request signing capability */ +#define NTLMSSP_NEGOTIATE_SEAL 0x0020 /* Request confidentiality */ +#define NTLMSSP_NEGOTIATE_DGRAM 0x0040 +#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 /* Use LM session key */ +/* defined reserved 8 0x0100 */ +#define NTLMSSP_NEGOTIATE_NTLM 0x0200 /* NTLM authentication */ +#define NTLMSSP_NEGOTIATE_NT_ONLY 0x0400 /* Lanman not allowed */ +#define NTLMSSP_ANONYMOUS 0x0800 +#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000 /* reserved6 */ #define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000 -#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 /* client/server on same machine */ -#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 /* Sign for all security levels */ -#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000 -#define NTLMSSP_TARGET_TYPE_SERVER 0x20000 -#define NTLMSSP_TARGET_TYPE_SHARE 0x40000 -#define NTLMSSP_NEGOTIATE_NTLMV2 0x80000 -#define NTLMSSP_REQUEST_INIT_RESP 0x100000 -#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000 -#define NTLMSSP_REQUEST_NOT_NT_KEY 0x400000 +#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 /* client/server same machine */ +#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 /* Sign. All security levels */ +#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000 +#define NTLMSSP_TARGET_TYPE_SERVER 0x20000 +#define NTLMSSP_TARGET_TYPE_SHARE 0x40000 +#define NTLMSSP_NEGOTIATE_EXTENDED_SEC 0x80000 /* NB:not related to NTLMv2 pwd*/ +/* #define NTLMSSP_REQUEST_INIT_RESP 0x100000 */ +#define NTLMSSP_NEGOTIATE_IDENTIFY 0x100000 +#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000 /* reserved5 */ +#define NTLMSSP_REQUEST_NON_NT_KEY 0x400000 #define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000 -#define NTLMSSP_NEGOTIATE_128 0x20000000 -#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000 -#define NTLMSSP_NEGOTIATE_56 0x80000000 +/* #define reserved4 0x1000000 */ +#define NTLMSSP_NEGOTIATE_VERSION 0x2000000 /* we do not set */ +/* #define reserved3 0x4000000 */ +/* #define reserved2 0x8000000 */ +/* #define reserved1 0x10000000 */ +#define NTLMSSP_NEGOTIATE_128 0x20000000 +#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000 +#define NTLMSSP_NEGOTIATE_56 0x80000000 /* Although typedefs are not commonly used for structure definitions */ /* in the Linux kernel, in this particular case they are useful */ @@ -60,32 +70,36 @@ typedef struct _SECURITY_BUFFER { __le16 Length; __le16 MaximumLength; - __le32 Buffer; /* offset to buffer */ + __le32 BufferOffset; /* offset to buffer */ } __attribute__((packed)) SECURITY_BUFFER; typedef struct _NEGOTIATE_MESSAGE { __u8 Signature[sizeof(NTLMSSP_SIGNATURE)]; - __le32 MessageType; /* 1 */ + __le32 MessageType; /* NtLmNegotiate = 1 */ __le32 NegotiateFlags; SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */ SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */ + /* SECURITY_BUFFER for version info not present since we + do not set the version is present flag */ char DomainString[0]; /* followed by WorkstationString */ } __attribute__((packed)) NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE; typedef struct _CHALLENGE_MESSAGE { __u8 Signature[sizeof(NTLMSSP_SIGNATURE)]; - __le32 MessageType; /* 2 */ + __le32 MessageType; /* NtLmChallenge = 2 */ SECURITY_BUFFER TargetName; __le32 NegotiateFlags; __u8 Challenge[CIFS_CRYPTO_KEY_SIZE]; __u8 Reserved[8]; SECURITY_BUFFER TargetInfoArray; + /* SECURITY_BUFFER for version info not present since we + do not set the version is present flag */ } __attribute__((packed)) CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE; typedef struct _AUTHENTICATE_MESSAGE { - __u8 Signature[sizeof (NTLMSSP_SIGNATURE)]; - __le32 MessageType; /* 3 */ + __u8 Signature[sizeof(NTLMSSP_SIGNATURE)]; + __le32 MessageType; /* NtLmsAuthenticate = 3 */ SECURITY_BUFFER LmChallengeResponse; SECURITY_BUFFER NtChallengeResponse; SECURITY_BUFFER DomainName; @@ -93,5 +107,7 @@ typedef struct _AUTHENTICATE_MESSAGE { SECURITY_BUFFER WorkstationName; SECURITY_BUFFER SessionKey; __le32 NegotiateFlags; + /* SECURITY_BUFFER for version info not present since we + do not set the version is present flag */ char UserString[0]; } __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE; From 79af6c49a93ea80952fd42dc180c8827cd8c984c Mon Sep 17 00:00:00 2001 From: Michael Wolf Date: Mon, 27 Apr 2009 06:17:54 +0000 Subject: [PATCH 318/478] powerpc adjust oprofile_cpu_type version 3 Oprofile is changing the naming it is using for the compatibility modes. Instead of having compat-power, oprofile will go to family naming convention and use ibm-compat-v. Currently only ibm-compat-v1 will be defined. The notion of compatibility events just started with POWER6. So there is no way that any other tool could exist that is using these oprofile_cpu_type strings we want to change. Signed-off-by: Mike Wolf Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/cputable.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index cd1b687544f3..5e925dbffbfb 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -382,7 +382,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .machine_check = machine_check_generic, - .oprofile_cpu_type = "ppc64/compat-power5+", + .oprofile_cpu_type = "ppc64/ibm-compat-v1", + .oprofile_type = PPC_OPROFILE_POWER4, .platform = "power5+", }, { /* Power6 */ @@ -416,7 +417,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .machine_check = machine_check_generic, - .oprofile_cpu_type = "ppc64/compat-power6", + .oprofile_cpu_type = "ppc64/ibm-compat-v1", + .oprofile_type = PPC_OPROFILE_POWER4, .platform = "power6", }, { /* 2.06-compliant processor, i.e. Power7 "architected" mode */ @@ -429,7 +431,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .machine_check = machine_check_generic, - .oprofile_cpu_type = "ppc64/compat-power7", + .oprofile_type = PPC_OPROFILE_POWER4, + .oprofile_cpu_type = "ppc64/ibm-compat-v1", .platform = "power7", }, { /* Power7 */ @@ -1833,8 +1836,10 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) * and, in that case, keep the current value for * oprofile_cpu_type. */ - if (old.oprofile_cpu_type == NULL) + if (old.oprofile_cpu_type == NULL) { t->oprofile_cpu_type = s->oprofile_cpu_type; + t->oprofile_type = s->oprofile_type; + } } *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec; From 9d37a90f9c5271440c8f62b4adc71a726b4b86b6 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Tue, 28 Apr 2009 06:50:15 +0000 Subject: [PATCH 319/478] powerpc: Update MPC5xxx and Xilinx Virtex maintainer entries - Add git tree URLs - Drop Sylvain from the 5xxx maintainers list. He hasn't been active for a while now. Signed-off-by: Grant Likely Signed-off-by: Benjamin Herrenschmidt --- MAINTAINERS | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index c547f4a2bb62..30cc6af4661b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3434,11 +3434,10 @@ L: linuxppc-dev@ozlabs.org S: Maintained LINUX FOR POWERPC EMBEDDED MPC5XXX -P: Sylvain Munaut -M: tnt@246tNt.com P: Grant Likely M: grant.likely@secretlab.ca L: linuxppc-dev@ozlabs.org +T: git git://git.secretlab.ca/git/linux-2.6.git S: Maintained LINUX FOR POWERPC EMBEDDED PPC4XX @@ -3456,6 +3455,7 @@ P: Grant Likely M: grant.likely@secretlab.ca W: http://wiki.secretlab.ca/index.php/Linux_on_Xilinx_Virtex L: linuxppc-dev@ozlabs.org +T: git git://git.secretlab.ca/git/linux-2.6.git S: Maintained LINUX FOR POWERPC EMBEDDED PPC8XX From 0203d6ec4e88062f20558fbed3cdff2af758a53b Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Wed, 29 Apr 2009 19:39:38 +0000 Subject: [PATCH 320/478] powerpc: Fix setting of oprofile cpu type commit 2657dd4e301d4841ed67a4fac7d145ad8f3e1b28 introduced a bug where we would now always override the "real" oprofile CPU type with the "compatible" one provided by a pseudo-PVR in the device-tree which is incorrect and breaks oprofile on all current configs since the "compatible" ones aren't yet recognized. This fixes it. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/cputable.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 5e925dbffbfb..f9c40f869c6e 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1837,8 +1837,8 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) * oprofile_cpu_type. */ if (old.oprofile_cpu_type == NULL) { - t->oprofile_cpu_type = s->oprofile_cpu_type; - t->oprofile_type = s->oprofile_type; + t->oprofile_cpu_type = old.oprofile_cpu_type; + t->oprofile_type = old.oprofile_type; } } From 0e0d2cf32743c660aab20e40aeb2155c06a256db Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 1 May 2009 05:27:32 +0000 Subject: [PATCH 321/478] [CIFS] Remove sparse endian warnings Removes two sparse CHECK_ENDIAN warnings from Jeffs earlier patch, and removes the dead readlink code (after noting where in findfirst we will need to add something like that in the future to handle the newly discovered unexpected error on FindFirst of NTFS symlinks. Signed-off-by: Steve French --- fs/cifs/cifssmb.c | 14 +++++--- fs/cifs/connect.c | 23 +++++++------ fs/cifs/link.c | 87 ----------------------------------------------- fs/cifs/readdir.c | 37 +++++++++++++++++++- 4 files changed, 58 insertions(+), 103 deletions(-) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index df5276e628bf..b968e5bd7df3 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2451,16 +2451,20 @@ querySymLinkRetry: if (rc || (pSMBr->ByteCount < 2)) rc = -EIO; else { + bool is_unicode; u16 count = le16_to_cpu(pSMBr->t2.DataCount); data_start = ((char *) &pSMBr->hdr.Protocol) + le16_to_cpu(pSMBr->t2.DataOffset); + if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) + is_unicode = true; + else + is_unicode = false; + /* BB FIXME investigate remapping reserved chars here */ *symlinkinfo = cifs_strndup_from_ucs(data_start, count, - pSMBr->hdr.Flags2 & - SMBFLG2_UNICODE, - nls_codepage); + is_unicode, nls_codepage); if (!symlinkinfo) rc = -ENOMEM; } @@ -3930,7 +3934,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, cFYI(1, ("num_referrals: %d dfs flags: 0x%x ... \n", *num_of_nodes, - le16_to_cpu(pSMBr->DFSFlags))); + le32_to_cpu(pSMBr->DFSFlags))); *target_nodes = kzalloc(sizeof(struct dfs_info3_param) * *num_of_nodes, GFP_KERNEL); @@ -3946,7 +3950,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, int max_len; struct dfs_info3_param *node = (*target_nodes)+i; - node->flags = le16_to_cpu(pSMBr->DFSFlags); + node->flags = le32_to_cpu(pSMBr->DFSFlags); if (is_unicode) { __le16 *tmp = kmalloc(strlen(searchName)*2 + 2, GFP_KERNEL); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 5bce2778163b..9dcdb0c707ea 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2681,8 +2681,6 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN | */ NTLMSSP_NEGOTIATE_128; if (sign_CIFS_PDUs) negotiate_flags |= NTLMSSP_NEGOTIATE_SIGN; -/* if (ntlmv2_support) - negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;*/ /* setup pointers to domain name and workstation name */ bcc_ptr += SecurityBlobLength; @@ -2780,9 +2778,10 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, memcpy(ses->server->cryptKey, SecurityBlob2->Challenge, CIFS_CRYPTO_KEY_SIZE); - if (SecurityBlob2->NegotiateFlags & +/* NTLMV2 flag is not for NTLMv2 password hash */ +/* if (SecurityBlob2->NegotiateFlags & cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2)) - *pNTLMv2_flag = true; + *pNTLMv2_flag = true; */ /* BB wrong */ if ((SecurityBlob2->NegotiateFlags & cpu_to_le32(NTLMSSP_NEGOTIATE_ALWAYS_SIGN)) @@ -3012,11 +3011,10 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr += SecurityBlobLength; negotiate_flags = NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_TARGET_INFO | - 0x80000000 | NTLMSSP_NEGOTIATE_128; + NTLMSSP_NEGOTIATE_56 | NTLMSSP_NEGOTIATE_128 | + NTLMSSP_NEGOTIATE_EXTENDED_SEC; if (sign_CIFS_PDUs) negotiate_flags |= /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN |*/ NTLMSSP_NEGOTIATE_SIGN; - if (ntlmv2_flag) - negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2; /* setup pointers to domain name and workstation name */ @@ -3438,12 +3436,19 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, /* above now done in SendReceive */ if ((rc == 0) && (tcon != NULL)) { + bool is_unicode; + tcon->tidStatus = CifsGood; tcon->need_reconnect = false; tcon->tid = smb_buffer_response->Tid; bcc_ptr = pByteArea(smb_buffer_response); bytes_left = BCC(smb_buffer_response); length = strnlen(bcc_ptr, bytes_left - 2); + if (smb_buffer->Flags2 & SMBFLG2_UNICODE) + is_unicode = true; + else + is_unicode = false; + /* skip service field (NB: this field is always ASCII) */ if (length == 3) { @@ -3464,9 +3469,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, /* mostly informational -- no need to fail on error here */ tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr, - bytes_left, - smb_buffer->Flags2 & - SMBFLG2_UNICODE, + bytes_left, is_unicode, nls_codepage); cFYI(1, ("nativeFileSystem=%s", tcon->nativeFileSystem)); diff --git a/fs/cifs/link.c b/fs/cifs/link.c index eb2fbbe865d2..ea9d11e3dcbb 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -212,93 +212,6 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname) return rc; } -int -cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen) -{ - struct inode *inode = direntry->d_inode; - int rc = -EACCES; - int xid; - int oplock = 0; - struct cifs_sb_info *cifs_sb; - struct cifsTconInfo *pTcon; - char *full_path = NULL; - char *tmpbuffer; - int len; - __u16 fid; - - xid = GetXid(); - cifs_sb = CIFS_SB(inode->i_sb); - pTcon = cifs_sb->tcon; - -/* BB would it be safe against deadlock to grab this sem - even though rename itself grabs the sem and calls lookup? */ -/* mutex_lock(&inode->i_sb->s_vfs_rename_mutex);*/ - full_path = build_path_from_dentry(direntry); -/* mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);*/ - - if (full_path == NULL) { - FreeXid(xid); - return -ENOMEM; - } - - cFYI(1, - ("Full path: %s inode = 0x%p pBuffer = 0x%p buflen = %d", - full_path, inode, pBuffer, buflen)); - if (buflen > PATH_MAX) - len = PATH_MAX; - else - len = buflen; - tmpbuffer = kmalloc(len, GFP_KERNEL); - if (tmpbuffer == NULL) { - kfree(full_path); - FreeXid(xid); - return -ENOMEM; - } - -/* BB add read reparse point symlink code and - Unix extensions symlink code here BB */ - - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { - cERROR(1, ("SFU style symlinks not implemented yet")); - /* add open and read as in fs/cifs/inode.c */ - } else { - rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, GENERIC_READ, - OPEN_REPARSE_POINT, &fid, &oplock, NULL, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (!rc) { - rc = CIFSSMBQueryReparseLinkInfo(xid, pTcon, full_path, - tmpbuffer, - len - 1, - fid, - cifs_sb->local_nls); - if (CIFSSMBClose(xid, pTcon, fid)) { - cFYI(1, ("Error closing junction point " - "(open for ioctl)")); - } - /* If it is a DFS junction earlier we would have gotten - PATH_NOT_COVERED returned from server so we do - not need to request the DFS info here */ - } - } - /* BB Anything else to do to handle recursive links? */ - /* BB Should we be using page ops here? */ - - /* BB null terminate returned string in pBuffer? BB */ - if (rc == 0) { - rc = vfs_readlink(direntry, pBuffer, len, tmpbuffer); - cFYI(1, - ("vfs_readlink called from cifs_readlink returned %d", - rc)); - } - - kfree(tmpbuffer); - kfree(full_path); - FreeXid(xid); - return rc; -} - void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *cookie) { char *p = nd_get_link(nd); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 5bc9ab7586bc..df003fe3710f 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -445,6 +445,38 @@ static void unix_fill_in_inode(struct inode *tmp_inode, } } +/* BB eventually need to add the following helper function to + resolve NT_STATUS_STOPPED_ON_SYMLINK return code when + we try to do FindFirst on (NTFS) directory symlinks */ +/* +int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb, + int xid) +{ + __u16 fid; + int len; + int oplock = 0; + int rc; + struct cifsTconInfo *ptcon = cifs_sb->tcon; + char *tmpbuffer; + + rc = CIFSSMBOpen(xid, ptcon, full_path, FILE_OPEN, GENERIC_READ, + OPEN_REPARSE_POINT, &fid, &oplock, NULL, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (!rc) { + tmpbuffer = kmalloc(maxpath); + rc = CIFSSMBQueryReparseLinkInfo(xid, ptcon, full_path, + tmpbuffer, + maxpath -1, + fid, + cifs_sb->local_nls); + if (CIFSSMBClose(xid, ptcon, fid)) { + cFYI(1, ("Error closing temporary reparsepoint open)")); + } + } +} + */ + static int initiate_cifs_search(const int xid, struct file *file) { int rc = 0; @@ -500,7 +532,10 @@ ffirst_retry: CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb)); if (rc == 0) cifsFile->invalidHandle = false; - if ((rc == -EOPNOTSUPP) && + /* BB add following call to handle readdir on new NTFS symlink errors + else if STATUS_STOPPED_ON_SYMLINK + call get_symlink_reparse_path and retry with new path */ + else if ((rc == -EOPNOTSUPP) && (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) { cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM; goto ffirst_retry; From c520f72172814c202ee47c51a63a1b1dde7f22f2 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Mon, 20 Apr 2009 20:02:16 +0200 Subject: [PATCH 322/478] avr32: drop unused CLEAN_FILES Left over from before we used arch/avr32/include Signed-off-by: Sam Ravnborg Cc: Jesper Nilsson --- arch/avr32/Makefile | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile index 0b97e14f73f6..c21a3290d542 100644 --- a/arch/avr32/Makefile +++ b/arch/avr32/Makefile @@ -43,8 +43,6 @@ core-y += arch/avr32/mm/ drivers-$(CONFIG_OPROFILE) += arch/avr32/oprofile/ libs-y += arch/avr32/lib/ -CLEAN_FILES += include/asm-avr32/.arch include/asm-avr32/arch - BOOT_TARGETS := vmlinux.elf vmlinux.bin uImage uImage.srec .PHONY: $(BOOT_TARGETS) install From 0c56042adc02fa460a2d6bc507a1e3f9bde326fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Bri=C3=A8re?= Date: Sun, 19 Apr 2009 12:58:40 -0400 Subject: [PATCH 323/478] kbuild: clean Module.markers and modules.order for out-of-tree modules MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Frédéric Brière Signed-off-by: Sam Ravnborg --- Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index eb38c8399261..b309fca4b944 100644 --- a/Makefile +++ b/Makefile @@ -1421,7 +1421,9 @@ $(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: rm-dirs := $(MODVERDIR) -clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers +clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers \ + $(KBUILD_EXTMOD)/Module.markers \ + $(KBUILD_EXTMOD)/modules.order clean: $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) From c4d5ee67ce26503d7eaf2aca5bb13c58e89d1be8 Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Fri, 24 Apr 2009 12:35:23 -0400 Subject: [PATCH 324/478] kbuild: "make prepare" should be "make modules_prepare" Correct the Makefile help text to read "make modules_prepare". Signed-off-by: Robert P. J. Day Signed-off-by: Sam Ravnborg --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index b309fca4b944..b18afad2e100 100644 --- a/Makefile +++ b/Makefile @@ -1293,7 +1293,7 @@ help: @echo ' dir/ - Build all files in dir and below' @echo ' dir/file.[ois] - Build specified target only' @echo ' dir/file.ko - Build module including final link' - @echo ' prepare - Set up for building external modules' + @echo ' modules_prepare - Set up for building external modules' @echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' @echo ' kernelrelease - Output the release version string' From 2e6cb8b0dc602ba4aa23d1ec7e3524a7268f59d9 Mon Sep 17 00:00:00 2001 From: Matt Kraai Date: Tue, 21 Apr 2009 20:38:23 -0700 Subject: [PATCH 325/478] kbuild: remove a tag file before it is regenerated If a tag file is not removed before it is regenerated, the newly generated data is appended to the old, which preserves stale data and makes the tag file grow over time. Signed-off-by: Matt Kraai Signed-off-by: Sam Ravnborg --- scripts/tags.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/scripts/tags.sh b/scripts/tags.sh index 5bd8b1003d44..4a34ec591e8c 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -164,10 +164,12 @@ case "$1" in ;; "tags") + rm -f tags xtags ctags ;; "TAGS") + rm -f TAGS xtags etags ;; esac From 64e3da109404eed27f825ee3eb1fe465ded47979 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 17 Apr 2009 18:28:55 -0700 Subject: [PATCH 326/478] docs: also clean index.html Missed index.html in "make cleandocs", so add it. Signed-off-by: Randy Dunlap Signed-off-by: Sam Ravnborg --- Documentation/DocBook/Makefile | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 8918a32c6b3a..b1eb661e6302 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -143,7 +143,8 @@ quiet_cmd_db2pdf = PDF $@ $(call cmd,db2pdf) -main_idx = Documentation/DocBook/index.html +index = index.html +main_idx = Documentation/DocBook/$(index) build_main_index = rm -rf $(main_idx) && \ echo '

Linux Kernel HTML Documentation

' >> $(main_idx) && \ echo '

Kernel Version: $(KERNELVERSION)

' >> $(main_idx) && \ @@ -232,7 +233,7 @@ clean-files := $(DOCBOOKS) \ $(patsubst %.xml, %.pdf, $(DOCBOOKS)) \ $(patsubst %.xml, %.html, $(DOCBOOKS)) \ $(patsubst %.xml, %.9, $(DOCBOOKS)) \ - $(C-procfs-example) + $(C-procfs-example) $(index) clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man From 99e3a1eb3c22bb671c6f3d22d8244bfc9fad8185 Mon Sep 17 00:00:00 2001 From: Cedric Hombourger Date: Sat, 25 Apr 2009 09:38:21 +0200 Subject: [PATCH 327/478] kbuild: fix Module.markers permission error under cygwin While building the kernel, we end-up calling modpost with -K and -M options for the same file (Modules.markers). This is resulting in modpost's main function calling read_markers() and then write_markers() on the same file. We then have read_markers() mmap'ing the file, and writer_markers() opening that same file for writing. The issue is that read_markers() exits without munmap'ing the file and is as a matter holding a reference on Modules.markers. When write_markers() is opening that very same file for writing, we still have a reference on it and cygwin (Windows?) is then making fopen() fail with EPERM. Calling release_file() before exiting read_markers() clears that reference (and memory leak) and fopen() then succeeds. Tested on both cygwin (1.3.22) and Linux. Also ran modpost within valgrind on Linux to make sure that the munmap'ed file was not accessed after read_markers() Signed-off-by: Cedric Hombourger Cc: Signed-off-by: Andrew Morton Signed-off-by: Sam Ravnborg --- scripts/mod/modpost.c | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8d46ea7d6715..57d71a5f31b6 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1990,6 +1990,7 @@ static void read_markers(const char *fname) if (!mod->skip) add_marker(mod, marker, fmt); } + release_file(file, size); return; fail: fatal("parse error in markers list file\n"); From a182ad3d0f858f50bb719a48bb35a013e12366c5 Mon Sep 17 00:00:00 2001 From: Nico Schottelius Date: Sat, 25 Apr 2009 09:48:39 +0200 Subject: [PATCH 328/478] kbuild: fix scripts/setlocalversion with git When using trees like wireless-testing, which have untagged tags, scripts/setlocalversion does not display any git indication for localversion. This patch fixes it: If git is available, but no usable tag is found, it uses -g${head}. It skips the detection of unanottated tags via git name-rev. Signed-off-by: Nico Schottelius Signed-off-by: Sam Ravnborg --- scripts/setlocalversion | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 47e75b69a2e9..32c8554f3946 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -10,13 +10,12 @@ cd "${1:-.}" || usage # Check for git and a git repo. if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then - # Do we have an untagged version? - if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then - if tag=`git describe 2>/dev/null`; then - echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' - else - printf '%s%s' -g $head - fi + # Do we have an untagged tag? + if atag=`git describe 2>/dev/null`; then + echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' + # add -g${head}, if there is no usable tag + else + printf '%s%s' -g $head fi # Is this git on svn? From c993971f4a7dc7ae43963aecb958395353c109ae Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 26 Apr 2009 11:17:42 +0200 Subject: [PATCH 329/478] kbuild: fix comment in modpost.c There is some confusion on naming of the head section. Correct naming is .head.text. Fix comment so we use correct naming. Signed-off-by: Sam Ravnborg --- scripts/mod/modpost.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 57d71a5f31b6..e5ae695458eb 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -928,8 +928,7 @@ static int section_mismatch(const char *fromsec, const char *tosec) * *probe_one, *_console, *_timer * * Pattern 3: - * Whitelist all refereces from .text.head to .init.data - * Whitelist all refereces from .text.head to .init.text + * Whitelist all references from .head.text to any init section * * Pattern 4: * Some symbols belong to init section but still it is ok to reference From b614a697dc17dff82f140d72d21a095f810fa7fb Mon Sep 17 00:00:00 2001 From: Anders Kaseorg Date: Thu, 23 Apr 2009 16:49:33 -0400 Subject: [PATCH 330/478] kbuild, modpost: Check the section flags, to catch missing "ax"/"aw" When you put .section ".foo" in an assembly file instead of .section "foo", "ax" , one of the possible symptoms is that modpost will see an ld-generated section name ".foo.1" in section_rel() or section_rela(). But this heuristic has two problems: it will miss a bad section that has no relocations, and it will incorrectly flag many gcc-generated sections as bad when compiling with -ffunction-sections -fdata-sections. On mips it fixes a lot of bogus warnings with gcc 4.4.0 lije this one: WARNING: crypto/cryptd.o (.text.T.349): unexpected section name. So instead of checking whether the section name matches a particular pattern, we directly check for a missing SHF_ALLOC in the section flags. Signed-off-by: Anders Kaseorg Tested-by: Ralf Baechle Signed-off-by: Sam Ravnborg --- scripts/mod/modpost.c | 47 ++++++++++++++++--------------------------- 1 file changed, 17 insertions(+), 30 deletions(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index e5ae695458eb..936b6f8e46ff 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -716,41 +716,27 @@ int match(const char *sym, const char * const pat[]) /* sections that we do not want to do full section mismatch check on */ static const char *section_white_list[] = - { ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; + { ".comment", ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; /* - * Is this section one we do not want to check? - * This is often debug sections. - * If we are going to check this section then - * test if section name ends with a dot and a number. - * This is used to find sections where the linker have - * appended a dot-number to make the name unique. + * This is used to find sections missing the SHF_ALLOC flag. * The cause of this is often a section specified in assembler - * without "ax" / "aw" and the same section used in .c - * code where gcc add these. + * without "ax" / "aw". */ -static int check_section(const char *modname, const char *sec) +static void check_section(const char *modname, struct elf_info *elf, + Elf_Shdr *sechdr) { - const char *e = sec + strlen(sec) - 1; - if (match(sec, section_white_list)) - return 1; + const char *sec = sech_name(elf, sechdr); - if (*e && isdigit(*e)) { - /* consume all digits */ - while (*e && e != sec && isdigit(*e)) - e--; - if (*e == '.' && !strstr(sec, ".linkonce")) { - warn("%s (%s): unexpected section name.\n" - "The (.[number]+) following section name are " - "ld generated and not expected.\n" - "Did you forget to use \"ax\"/\"aw\" " - "in a .S file?\n" - "Note that for example contains\n" - "section definitions for use in .S files.\n\n", - modname, sec); - } + if (sechdr->sh_type == SHT_PROGBITS && + !(sechdr->sh_flags & SHF_ALLOC) && + !match(sec, section_white_list)) { + warn("%s (%s): unexpected non-allocatable section.\n" + "Did you forget to use \"ax\"/\"aw\" in a .S file?\n" + "Note that for example contains\n" + "section definitions for use in .S files.\n\n", + modname, sec); } - return 0; } @@ -1358,7 +1344,7 @@ static void section_rela(const char *modname, struct elf_info *elf, fromsec = sech_name(elf, sechdr); fromsec += strlen(".rela"); /* if from section (name) is know good then skip it */ - if (check_section(modname, fromsec)) + if (match(fromsec, section_white_list)) return; for (rela = start; rela < stop; rela++) { @@ -1402,7 +1388,7 @@ static void section_rel(const char *modname, struct elf_info *elf, fromsec = sech_name(elf, sechdr); fromsec += strlen(".rel"); /* if from section (name) is know good then skip it */ - if (check_section(modname, fromsec)) + if (match(fromsec, section_white_list)) return; for (rel = start; rel < stop; rel++) { @@ -1465,6 +1451,7 @@ static void check_sec_ref(struct module *mod, const char *modname, /* Walk through all sections */ for (i = 0; i < elf->hdr->e_shnum; i++) { + check_section(modname, elf, &elf->sechdrs[i]); /* We want to process only relocation sections and not .init */ if (sechdrs[i].sh_type == SHT_RELA) section_rela(modname, elf, &elf->sechdrs[i]); From 5ef316fbe7fd03802b8625833884587927161c14 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 3 Feb 2009 23:48:54 +0000 Subject: [PATCH 331/478] [ARM] S3C64XX: Add S3C64XX_PA_IIS{0,1} to Add the physical address of the two I2S channel register blocks. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6400/include/mach/map.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index baf1c0f1ea5a..8199972ed5bd 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h @@ -40,6 +40,8 @@ #define S3C64XX_PA_FB (0x77100000) #define S3C64XX_PA_SYSCON (0x7E00F000) +#define S3C64XX_PA_IIS0 (0x7F002000) +#define S3C64XX_PA_IIS1 (0x7F003000) #define S3C64XX_PA_TIMER (0x7F006000) #define S3C64XX_PA_IIC0 (0x7F004000) #define S3C64XX_PA_IIC1 (0x7F00F000) From 090f848da000083bf6c1a052222396970e53b4d7 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 12 Dec 2008 00:24:21 +0000 Subject: [PATCH 332/478] [ARM] S3C: Add UDIVSLOT support for newer UARTS Add support for the UDIVSLOT register on the newer UART blocks which gives the capability of 1/16ths adjustment to the baud rate. Signed-off-by: Ben Dooks --- drivers/serial/s3c6400.c | 1 + drivers/serial/samsung.c | 61 ++++++++++++++++++++++++++++++++++++++-- drivers/serial/samsung.h | 4 +++ 3 files changed, 63 insertions(+), 3 deletions(-) diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c index 06936d13393f..3e3785233682 100644 --- a/drivers/serial/s3c6400.c +++ b/drivers/serial/s3c6400.c @@ -102,6 +102,7 @@ static struct s3c24xx_uart_info s3c6400_uart_inf = { .name = "Samsung S3C6400 UART", .type = PORT_S3C6400, .fifosize = 64, + .has_divslot = 1, .rx_fifomask = S3C2440_UFSTAT_RXMASK, .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, .rx_fifofull = S3C2440_UFSTAT_RXFULL, diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c index e06686ae858b..93b5d75db126 100644 --- a/drivers/serial/samsung.c +++ b/drivers/serial/samsung.c @@ -508,6 +508,7 @@ s3c24xx_serial_setsource(struct uart_port *port, struct s3c24xx_uart_clksrc *c) struct baud_calc { struct s3c24xx_uart_clksrc *clksrc; unsigned int calc; + unsigned int divslot; unsigned int quot; struct clk *src; }; @@ -517,6 +518,7 @@ static int s3c24xx_serial_calcbaud(struct baud_calc *calc, struct s3c24xx_uart_clksrc *clksrc, unsigned int baud) { + struct s3c24xx_uart_port *ourport = to_ourport(port); unsigned long rate; calc->src = clk_get(port->dev, clksrc->name); @@ -527,8 +529,24 @@ static int s3c24xx_serial_calcbaud(struct baud_calc *calc, rate /= clksrc->divisor; calc->clksrc = clksrc; - calc->quot = (rate + (8 * baud)) / (16 * baud); - calc->calc = (rate / (calc->quot * 16)); + + if (ourport->info->has_divslot) { + unsigned long div = rate / baud; + + /* The UDIVSLOT register on the newer UARTs allows us to + * get a divisor adjustment of 1/16th on the baud clock. + * + * We don't keep the UDIVSLOT value (the 16ths we calculated + * by not multiplying the baud by 16) as it is easy enough + * to recalculate. + */ + + calc->quot = div / 16; + calc->calc = rate / div; + } else { + calc->quot = (rate + (8 * baud)) / (16 * baud); + calc->calc = (rate / (calc->quot * 16)); + } calc->quot--; return 1; @@ -611,6 +629,30 @@ static unsigned int s3c24xx_serial_getclk(struct uart_port *port, return best->quot; } +/* udivslot_table[] + * + * This table takes the fractional value of the baud divisor and gives + * the recommended setting for the UDIVSLOT register. + */ +static u16 udivslot_table[16] = { + [0] = 0x0000, + [1] = 0x0080, + [2] = 0x0808, + [3] = 0x0888, + [4] = 0x2222, + [5] = 0x4924, + [6] = 0x4A52, + [7] = 0x54AA, + [8] = 0x5555, + [9] = 0xD555, + [10] = 0xD5D5, + [11] = 0xDDD5, + [12] = 0xDDDD, + [13] = 0xDFDD, + [14] = 0xDFDF, + [15] = 0xFFDF, +}; + static void s3c24xx_serial_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) @@ -623,6 +665,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, unsigned int baud, quot; unsigned int ulcon; unsigned int umcon; + unsigned int udivslot = 0; /* * We don't support modem control lines. @@ -644,6 +687,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, /* check to see if we need to change clock source */ if (ourport->clksrc != clksrc || ourport->baudclk != clk) { + dbg("selecting clock %p\n", clk); s3c24xx_serial_setsource(port, clksrc); if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) { @@ -658,6 +702,13 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0; } + if (ourport->info->has_divslot) { + unsigned int div = ourport->baudclk_rate / baud; + + udivslot = udivslot_table[div & 15]; + dbg("udivslot = %04x (div %d)\n", udivslot, div & 15); + } + switch (termios->c_cflag & CSIZE) { case CS5: dbg("config: 5bits/char\n"); @@ -697,12 +748,16 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, spin_lock_irqsave(&port->lock, flags); - dbg("setting ulcon to %08x, brddiv to %d\n", ulcon, quot); + dbg("setting ulcon to %08x, brddiv to %d, udivslot %08x\n", + ulcon, quot, udivslot); wr_regl(port, S3C2410_ULCON, ulcon); wr_regl(port, S3C2410_UBRDIV, quot); wr_regl(port, S3C2410_UMCON, umcon); + if (ourport->info->has_divslot) + wr_regl(port, S3C2443_DIVSLOT, udivslot); + dbg("uart: ulcon = 0x%08x, ucon = 0x%08x, ufcon = 0x%08x\n", rd_regl(port, S3C2410_ULCON), rd_regl(port, S3C2410_UCON), diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h index 571d6b90d206..7afb94843a08 100644 --- a/drivers/serial/samsung.h +++ b/drivers/serial/samsung.h @@ -21,6 +21,10 @@ struct s3c24xx_uart_info { unsigned long tx_fifoshift; unsigned long tx_fifofull; + /* uart port features */ + + unsigned int has_divslot:1; + /* clock source control */ int (*get_clksrc)(struct uart_port *, struct s3c24xx_uart_clksrc *clk); From dc8fc7edef5fe799a1c38c916d2c64b1d0fcf81a Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 28 Apr 2009 10:06:00 +0100 Subject: [PATCH 333/478] [ARM] S3C2412: Add missing cache flush in suspend code The alterations to the suspend code missed adding a call to the cache flushing routines during the suspend path of the S3C2412. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2412/pm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-s3c2412/pm.c b/arch/arm/mach-s3c2412/pm.c index c9cfe40e21f6..a7417c479ffe 100644 --- a/arch/arm/mach-s3c2412/pm.c +++ b/arch/arm/mach-s3c2412/pm.c @@ -21,6 +21,7 @@ #include #include +#include #include #include @@ -39,6 +40,8 @@ static void s3c2412_cpu_suspend(void) { unsigned long tmp; + flush_cache_all(); + /* set our standby method to sleep */ tmp = __raw_readl(S3C2412_PWRCFG); From d7226fb6ec5d4f325e4e7fd905894e2ea3eb3ae0 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 1 May 2009 15:16:04 +0200 Subject: [PATCH 334/478] Revert "genirq: assert that irq handlers are indeed running in hardirq context" This reverts commit 044d408409cc4e1bc75c886e27ca85c270db104c. The commit added a warning when handle_IRQ_event() is called outside of hard interrupt context. This breaks the generic tasklet based interrupt resend mechanism which is used when the hardware has no way to retrigger the interrupt. So we get a warning for a use case which is correct and worked for years. Remove it. Signed-off-by: Thomas Gleixner --- kernel/irq/handle.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index d82142be8dd2..26e08754744f 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -363,8 +363,6 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) irqreturn_t ret, retval = IRQ_NONE; unsigned int status = 0; - WARN_ONCE(!in_irq(), "BUG: IRQ handler called from non-hardirq context!"); - if (!(action->flags & IRQF_DISABLED)) local_irq_enable_in_hardirq(); From 595e8fabea22c96f674102f33b4a759f4512dd9c Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Sun, 26 Apr 2009 14:18:25 +0200 Subject: [PATCH 335/478] microblaze: Storage class should be before const qualifier The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser Signed-off-by: Michal Simek --- arch/microblaze/kernel/cpu/cpuinfo-static.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/microblaze/kernel/cpu/cpuinfo-static.c b/arch/microblaze/kernel/cpu/cpuinfo-static.c index cfe44effdb77..450ca6bb828d 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo-static.c +++ b/arch/microblaze/kernel/cpu/cpuinfo-static.c @@ -14,8 +14,8 @@ #include #include -const static char family_string[] = CONFIG_XILINX_MICROBLAZE0_FAMILY; -const static char cpu_ver_string[] = CONFIG_XILINX_MICROBLAZE0_HW_VER; +static const char family_string[] = CONFIG_XILINX_MICROBLAZE0_FAMILY; +static const char cpu_ver_string[] = CONFIG_XILINX_MICROBLAZE0_HW_VER; #define err_printk(x) \ early_printk("ERROR: Microblaze " x "- different for kernel and DTS\n"); From c71a7a3875b40d18a08c09f6c757bd7a9b6ce894 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 30 Apr 2009 09:35:53 +0200 Subject: [PATCH 336/478] microblaze: Fix return value for sys_ipc Signed-off-by: John Linn Signed-off-by: Michal Simek --- arch/microblaze/kernel/sys_microblaze.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index ba0568c2cc1c..31905ff590b7 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -131,7 +131,7 @@ sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth) ret = sys_shmctl(first, second, (struct shmid_ds *) ptr); break; } - return -EINVAL; + return ret; } asmlinkage int sys_vfork(struct pt_regs *regs) From ec581f6a42bbbea5271c66da9769a41b46c74e10 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 1 May 2009 09:05:06 -0700 Subject: [PATCH 337/478] net: Fix skb_tx_hash() for forwarding workloads. When skb_rx_queue_recorded() is true, we dont want to use jash distribution as the device driver exactly told us which queue was selected at RX time. jhash makes a statistical shuffle, but this wont work with 8 static inputs. Later improvements would be to compute reciprocal value of real_num_tx_queues to avoid a divide here. But this computation should be done once, when real_num_tx_queues is set. This needs a separate patch, and a new field in struct net_device. Reported-by: Andrew Dickinson Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/dev.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 308a7d0c277f..e2e9e4af3ace 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1735,11 +1735,12 @@ u16 skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb) { u32 hash; - if (skb_rx_queue_recorded(skb)) { - hash = skb_get_rx_queue(skb); - } else if (skb->sk && skb->sk->sk_hash) { + if (skb_rx_queue_recorded(skb)) + return skb_get_rx_queue(skb) % dev->real_num_tx_queues; + + if (skb->sk && skb->sk->sk_hash) hash = skb->sk->sk_hash; - } else + else hash = skb->protocol; hash = jhash_1word(hash, skb_tx_hashrnd); From 0f3d042ed2f934f149ccb78300454beaf0c1134b Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 1 May 2009 09:10:46 -0700 Subject: [PATCH 338/478] netfilter: use likely() in xt_info_rdlock_bh() Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/netfilter/x_tables.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 1b2e43502ef7..c9efe039dc57 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -472,7 +472,7 @@ static inline void xt_info_rdlock_bh(void) local_bh_disable(); lock = &__get_cpu_var(xt_info_locks); - if (!lock->readers++) + if (likely(!lock->readers++)) spin_lock(&lock->lock); } @@ -480,7 +480,7 @@ static inline void xt_info_rdunlock_bh(void) { struct xt_info_lock *lock = &__get_cpu_var(xt_info_locks); - if (!--lock->readers) + if (likely(!--lock->readers)) spin_unlock(&lock->lock); local_bh_enable(); } From 00b64f2aa5e8741b49e48ebad1116cc78dbbf0fd Mon Sep 17 00:00:00 2001 From: Sergey Senozhatsky Date: Fri, 1 May 2009 09:15:09 -0700 Subject: [PATCH 339/478] =?UTF-8?q?cxgb3:=20fixing=20gcc=204.4=20compiler?= =?UTF-8?q?=20warning:=20suggest=20parentheses=20around=20operand=20of=20?= =?UTF-8?q?=E2=80=98!=E2=80=99?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Trivial: fixing gcc 4.4 compiler warning: drivers/net/cxgb3/t3_hw.c: In function ‘t3_prep_adapter’: drivers/net/cxgb3/t3_hw.c:3782: warning: suggest parentheses around operand of ‘!’ or change ‘|’ to ‘||’ or ‘!’ to ‘~’ Signed-off-by: Sergey Senozhatsky Signed-off-by: David S. Miller --- drivers/net/cxgb3/t3_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index e1bd690ff831..4f68aeb2679a 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -3779,7 +3779,7 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, adapter->params.info = ai; adapter->params.nports = ai->nports0 + ai->nports1; - adapter->params.chan_map = !!ai->nports0 | (!!ai->nports1 << 1); + adapter->params.chan_map = (!!ai->nports0) | (!!ai->nports1 << 1); adapter->params.rev = t3_read_reg(adapter, A_PL_REV); /* * We used to only run the "adapter check task" once a second if From e836f015b5c07da2f95a441274ef0a788ce17f80 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 1 May 2009 16:20:35 +0000 Subject: [PATCH 340/478] [CIFS] Remove trailing whitespace Signed-off-by: Steve French --- fs/cifs/CHANGES | 4 +++- fs/cifs/readdir.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 1b0643c2eac6..43f2e0d061f6 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -6,7 +6,9 @@ characters. Add support for mounting root of a share which redirects immediately to DFS target. Convert string conversion functions from Unicode to more accurately mark string length before allocating memory (which may help the rare cases where a UTF-8 string is much larger than the UCS2 string that -we converted from). +we converted from). Fix endianness of the vcnum field used during +session setup to distinguish multiple mounts to same server from different +userids. Version 1.57 ------------ diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index df003fe3710f..964e097c8203 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -532,7 +532,7 @@ ffirst_retry: CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb)); if (rc == 0) cifsFile->invalidHandle = false; - /* BB add following call to handle readdir on new NTFS symlink errors + /* BB add following call to handle readdir on new NTFS symlink errors else if STATUS_STOPPED_ON_SYMLINK call get_symlink_reparse_path and retry with new path */ else if ((rc == -EOPNOTSUPP) && From 051a2a0d3242b448281376bb63cfa9385e0b6c68 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 1 May 2009 16:21:04 +0000 Subject: [PATCH 341/478] [CIFS] Fix endian conversion of vcnum field When multiply mounting from the same client to the same server, with different userids, we create a vcnum which should be unique if possible (this is not the same as the smb uid, which is the handle to the security context). We were not endian converting additional (beyond the first which is zero) vcnum properly. CC: Stable Acked-by: Shirish Pargaonkar Acked-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/sess.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 2bcff17047ab..b2bdc2a33833 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -111,7 +111,7 @@ static __le16 get_next_vcnum(struct cifsSesInfo *ses) get_vc_num_exit: write_unlock(&cifs_tcp_ses_lock); - return le16_to_cpu(vcnum); + return cpu_to_le16(vcnum); } static __u32 cifs_ssetup_hdr(struct cifsSesInfo *ses, SESSION_SETUP_ANDX *pSMB) From f9a196b8dceba3c1e5fe885b81e45043ad7c60fc Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 1 May 2009 20:59:25 +0200 Subject: [PATCH 342/478] x86: initialize io_bitmap_base on 32bit commit db949bba3c7cf2e664ac12e237c6d4c914f0c69d (x86-32: use non-lazy io bitmap context switching) broke ioperm for 32bit because it removed the lazy initialization of io_bitmap_base and did not set it to the real bitmap offset. [ Impact: fix non-working sys_ioperm() on 32-bit kernels ] Signed-off-by: Thomas Gleixner --- arch/x86/kernel/cpu/common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index c4f667896c28..c1caefc82e62 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1203,6 +1203,8 @@ void __cpuinit cpu_init(void) load_TR_desc(); load_LDT(&init_mm.context); + t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap); + #ifdef CONFIG_DOUBLEFAULT /* Set up doublefault TSS pointer in the GDT */ __set_tss_desc(cpu, GDT_ENTRY_DOUBLEFAULT_TSS, &doublefault_tss); From 6f0aced639d346e5f54eea9fcb2784b633493d09 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 1 May 2009 23:54:25 +0400 Subject: [PATCH 343/478] x86, apic: use pr_ macro Replace recenly appeared printk with pr_ macro (the file already use a lot of them). [ Impact: cleanup ] Signed-off-by: Cyrill Gorcunov LKML-Reference: <20090501195425.GB4633@lenovo> Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 28f747d61d78..e258bedce7cb 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2191,7 +2191,7 @@ static int __cpuinit set_multi(const struct dmi_system_id *d) { if (multi) return 0; - printk(KERN_INFO "APIC: %s detected, Multi Chassis\n", d->ident); + pr_info("APIC: %s detected, Multi Chassis\n", d->ident); multi = 1; return 0; } From e5288eb5ea89bd82d897cb687348bc608278f920 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Sat, 2 May 2009 00:02:57 +0200 Subject: [PATCH 344/478] HID: fix oops in hid_check_keys_pressed() If the device is not claimed by hid-input (i.e devices driver by userspace hiddev/hidraw-based drivers, or completely detached from HID and driver by libusb), we must not check the hid->inptus, as it is not guaranteed to be initialized, as this is performed only for devices handled by hid-input. Reported-by: Guillaume Chazarain Tested-by: Guillaume Chazarain Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index c7075d2b0786..8551693d645f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1825,6 +1825,9 @@ int hid_check_keys_pressed(struct hid_device *hid) struct hid_input *hidinput; int i; + if (!(hid->claimed & HID_CLAIMED_INPUT)) + return 0; + list_for_each_entry(hidinput, &hid->inputs, list) { for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) if (hidinput->input->key[i]) From 689c96cca7ec3d2ba7fba00481810f99f1803c63 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 23 Apr 2009 03:39:04 +0000 Subject: [PATCH 345/478] bonding: bond_slave_info_query() fix bond_slave_info_query() should keep a read lock while accessing slave info, or risk accessing stale data and corruption. Signed-off-by: Eric Dumazet Signed-off-by: Jay Vosburgh Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 63369b6b14d4..67515b78ff91 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2213,33 +2213,24 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in { struct bonding *bond = netdev_priv(bond_dev); struct slave *slave; - int i, found = 0; - - if (info->slave_id < 0) { - return -ENODEV; - } + int i, res = -ENODEV; read_lock(&bond->lock); bond_for_each_slave(bond, slave, i) { if (i == (int)info->slave_id) { - found = 1; + res = 0; + strcpy(info->slave_name, slave->dev->name); + info->link = slave->link; + info->state = slave->state; + info->link_failure_count = slave->link_failure_count; break; } } read_unlock(&bond->lock); - if (found) { - strcpy(info->slave_name, slave->dev->name); - info->link = slave->link; - info->state = slave->state; - info->link_failure_count = slave->link_failure_count; - } else { - return -ENODEV; - } - - return 0; + return res; } /*-------------------------------- Monitoring -------------------------------*/ From acda074390270ca9e28f2a9729f7b835e2ad6da4 Mon Sep 17 00:00:00 2001 From: Laszlo Attila Toth Date: Fri, 1 May 2009 15:23:10 -0700 Subject: [PATCH 346/478] xt_socket: checks for the state of nf_conntrack xt_socket can use connection tracking, and checks whether it is a module. Signed-off-by: Laszlo Attila Toth Signed-off-by: David S. Miller --- net/netfilter/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 881203c4a142..cb3ad741ebf8 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -837,6 +837,7 @@ config NETFILTER_XT_MATCH_SOCKET depends on NETFILTER_TPROXY depends on NETFILTER_XTABLES depends on NETFILTER_ADVANCED + depends on !NF_CONNTRACK || NF_CONNTRACK select NF_DEFRAG_IPV4 help This option adds a `socket' match, which can be used to match From 2382b15bcc39228572ccf1d9a1185dcabb84c833 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= Date: Wed, 29 Apr 2009 20:45:17 +0000 Subject: [PATCH 347/478] netconsole: take care of NETDEV_UNREGISTER event MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When netconsole is loaded and a network interface fades away (e.g. on rmmod $interface_driver_module) the rmmod remains stuck and some locks are taken that prevent any additional module loading/unloading as well as interface up/down changes. In addition kernel logs (and console) get flooded at 10s interval with [ 122.464065] unregister_netdevice: waiting for eth0 to become free. Usage count = 1 [ 132.704059] unregister_netdevice: waiting for eth0 to become free. Usage count = 1 This patch lets netconsole take NETDEV_UNREGISTER event into account and release the affected interface if it was in use. Signed-off-by: Bruno Prémont Acked-by: Matt Mackall Signed-off-by: David S. Miller --- drivers/net/netconsole.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index eceadf787a67..bf4af5248cb7 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -664,7 +664,7 @@ static int netconsole_netdev_event(struct notifier_block *this, struct netconsole_target *nt; struct net_device *dev = ptr; - if (!(event == NETDEV_CHANGENAME)) + if (!(event == NETDEV_CHANGENAME || event == NETDEV_UNREGISTER)) goto done; spin_lock_irqsave(&target_list_lock, flags); @@ -675,6 +675,15 @@ static int netconsole_netdev_event(struct notifier_block *this, case NETDEV_CHANGENAME: strlcpy(nt->np.dev_name, dev->name, IFNAMSIZ); break; + case NETDEV_UNREGISTER: + if (!nt->enabled) + break; + netpoll_cleanup(&nt->np); + nt->enabled = 0; + printk(KERN_INFO "netconsole: network logging stopped" + ", interface %s unregistered\n", + dev->name); + break; } } netconsole_target_put(nt); From f293501c61c50b014ad2347661c6acd951c80fed Mon Sep 17 00:00:00 2001 From: Steve Glendinning Date: Fri, 1 May 2009 05:46:51 +0000 Subject: [PATCH 348/478] smsc95xx: configure LED outputs SMSC LAN9500 has dual purpose GPIO/LED pins, and by default at power-on these are configured as GPIOs. This means that if LEDs are fitted they won't ever light. This patch sets them to be LED outputs for speed, duplex and link/activity. Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 10 ++++++++++ drivers/net/usb/smsc95xx.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index dc1665326592..0fd68a5f9d49 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -941,6 +941,16 @@ static int smsc95xx_reset(struct usbnet *dev) if (netif_msg_ifup(dev)) devdbg(dev, "ID_REV = 0x%08x", read_buf); + /* Configure GPIO pins as LED outputs */ + write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED | + LED_GPIO_CFG_FDX_LED; + ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf); + if (ret < 0) { + devwarn(dev, "Failed to write LED_GPIO_CFG register, ret=%d", + ret); + return ret; + } + /* Init Tx */ write_buf = 0; ret = smsc95xx_write_reg(dev, FLOW, write_buf); diff --git a/drivers/net/usb/smsc95xx.h b/drivers/net/usb/smsc95xx.h index 66b5c84f302e..86bc44977fbd 100644 --- a/drivers/net/usb/smsc95xx.h +++ b/drivers/net/usb/smsc95xx.h @@ -99,6 +99,9 @@ #define PM_CTL_WUPS_MULTI_ (0x00000003) #define LED_GPIO_CFG (0x24) +#define LED_GPIO_CFG_SPD_LED (0x01000000) +#define LED_GPIO_CFG_LNK_LED (0x00100000) +#define LED_GPIO_CFG_FDX_LED (0x00010000) #define GPIO_CFG (0x28) From 726474b8cd0f0f49c570b1dbbab44be898797550 Mon Sep 17 00:00:00 2001 From: Steve Glendinning Date: Fri, 1 May 2009 06:07:22 +0000 Subject: [PATCH 349/478] smsc95xx: add support for LAN9512 and LAN9514 LAN9512 and LAN9514 are USB hubs with an integrated 10/100 ethernet controller. Logically this looks like an ethernet controller (similar to LAN9500) permanently attached to one of the hub's downstream ports. This patch adds the usb device id of the new ethernet controller to the smsc95xx driver. This id is the same in both new devices. Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 0fd68a5f9d49..5a7283372b53 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1241,6 +1241,11 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0424, 0x9500), .driver_info = (unsigned long) &smsc95xx_info, }, + { + /* SMSC9512/9514 USB Hub & Ethernet Device */ + USB_DEVICE(0x0424, 0xec00), + .driver_info = (unsigned long) &smsc95xx_info, + }, { }, /* END */ }; MODULE_DEVICE_TABLE(usb, products); From c047fcd245975f40312ed57bf43e7d4abd188e6b Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Fri, 1 May 2009 15:34:02 -0700 Subject: [PATCH 350/478] virtio: add missing include to virtio_net.h virtio_net.h uses the macro ETH_ALEN which is defined in linux/if_ether.h. Discovered when hacking on virtio-over-pci patches. Signed-off-by: Grant Likely Signed-off-by: David S. Miller --- include/linux/virtio_net.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index 242348bb3766..cec79adbe3ea 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -4,6 +4,7 @@ * compatible drivers/servers. */ #include #include +#include /* The ID for virtio_net */ #define VIRTIO_ID_NET 1 From 1363d9b135270662852ed2e6629fb79a36de5400 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Fri, 1 May 2009 15:35:28 -0700 Subject: [PATCH 351/478] bonding: correct the cleanup in bond_create() This patch makes the cleanup in bond_create nicer :) Also now the forgotten free_netdev is called. Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 67515b78ff91..2188a96fc090 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -5158,16 +5158,15 @@ int bond_create(char *name, struct bond_params *params) up_write(&bonding_rwsem); rtnl_unlock(); /* allows sysfs registration of net device */ res = bond_create_sysfs_entry(netdev_priv(bond_dev)); - if (res < 0) { - rtnl_lock(); - down_write(&bonding_rwsem); - bond_deinit(bond_dev); - unregister_netdevice(bond_dev); - goto out_rtnl; - } + if (res < 0) + goto out_unreg; return 0; +out_unreg: + rtnl_lock(); + down_write(&bonding_rwsem); + unregister_netdevice(bond_dev); out_bond: bond_deinit(bond_dev); out_netdev: From 23e258e1a871c0c0cd91c294f7e66ccac74ef243 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Fri, 1 May 2009 17:27:56 +0000 Subject: [PATCH 352/478] virtio_net: Cleanup command queue scatterlist usage We were avoiding calling sg_init* on scatterlists passed into virtnet_send_command to prevent extraneous end markers. This caused build warnings for uninitialized variables. Cleanup the code to create proper scatterlists. Signed-off-by: Alex Williamson Signed-off-by: David S. Miller --- drivers/net/virtio_net.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 9c82a39497e5..23eb282dc61f 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -616,10 +616,11 @@ static int virtnet_open(struct net_device *dev) static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, struct scatterlist *data, int out, int in) { - struct scatterlist sg[VIRTNET_SEND_COMMAND_SG_MAX + 2]; + struct scatterlist *s, sg[VIRTNET_SEND_COMMAND_SG_MAX + 2]; struct virtio_net_ctrl_hdr ctrl; virtio_net_ctrl_ack status = ~0; unsigned int tmp; + int i; if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) { BUG(); /* Caller should know better */ @@ -637,7 +638,8 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, sg_init_table(sg, out + in); sg_set_buf(&sg[0], &ctrl, sizeof(ctrl)); - memcpy(&sg[1], data, sizeof(struct scatterlist) * (out + in - 2)); + for_each_sg(data, s, out + in - 2, i) + sg_set_buf(&sg[i + 1], sg_virt(s), s->length); sg_set_buf(&sg[out + in - 1], &status, sizeof(status)); if (vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) != 0) @@ -692,7 +694,7 @@ static void virtnet_set_rx_mode(struct net_device *dev) promisc = ((dev->flags & IFF_PROMISC) != 0); allmulti = ((dev->flags & IFF_ALLMULTI) != 0); - sg_set_buf(sg, &promisc, sizeof(promisc)); + sg_init_one(sg, &promisc, sizeof(promisc)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_PROMISC, @@ -700,7 +702,7 @@ static void virtnet_set_rx_mode(struct net_device *dev) dev_warn(&dev->dev, "Failed to %sable promisc mode.\n", promisc ? "en" : "dis"); - sg_set_buf(sg, &allmulti, sizeof(allmulti)); + sg_init_one(sg, &allmulti, sizeof(allmulti)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_ALLMULTI, @@ -716,6 +718,8 @@ static void virtnet_set_rx_mode(struct net_device *dev) return; } + sg_init_table(sg, 2); + /* Store the unicast list and count in the front of the buffer */ mac_data->entries = dev->uc_count; addr = dev->uc_list; @@ -749,7 +753,7 @@ static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; - sg_set_buf(&sg, &vid, sizeof(vid)); + sg_init_one(&sg, &vid, sizeof(vid)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, VIRTIO_NET_CTRL_VLAN_ADD, &sg, 1, 0)) @@ -761,7 +765,7 @@ static void virnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; - sg_set_buf(&sg, &vid, sizeof(vid)); + sg_init_one(&sg, &vid, sizeof(vid)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, VIRTIO_NET_CTRL_VLAN_DEL, &sg, 1, 0)) From 1824a9897473fda5e5e42f991ddc674c175e3a09 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Fri, 1 May 2009 17:31:10 +0000 Subject: [PATCH 353/478] virtio_net: Fix function name typo Signed-off-by: Alex Williamson Signed-off-by: David S. Miller --- drivers/net/virtio_net.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 23eb282dc61f..4d1d47953fc6 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -748,7 +748,7 @@ static void virtnet_set_rx_mode(struct net_device *dev) kfree(buf); } -static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) +static void virtnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) { struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; @@ -760,7 +760,7 @@ static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) dev_warn(&dev->dev, "Failed to add VLAN ID %d.\n", vid); } -static void virnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) +static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) { struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; @@ -798,8 +798,8 @@ static const struct net_device_ops virtnet_netdev = { .ndo_set_mac_address = virtnet_set_mac_address, .ndo_set_rx_mode = virtnet_set_rx_mode, .ndo_change_mtu = virtnet_change_mtu, - .ndo_vlan_rx_add_vid = virnet_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = virnet_vlan_rx_kill_vid, + .ndo_vlan_rx_add_vid = virtnet_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = virtnet_vlan_rx_kill_vid, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = virtnet_netpoll, #endif From 2edd6c5b0517b9131ede9e74cb121898ccd73042 Mon Sep 17 00:00:00 2001 From: Steve French Date: Sat, 2 May 2009 04:55:39 +0000 Subject: [PATCH 354/478] [CIFS] NTLMSSP support moving into new file, old dead code removed Remove dead NTLMSSP support from connect.c prior to addition of the new code to replace it. Signed-off-by: Steve French --- fs/cifs/connect.c | 730 ---------------------------------------------- 1 file changed, 730 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9dcdb0c707ea..3a934dd84225 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2605,736 +2605,6 @@ out: return rc; } -static int -CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, - struct cifsSesInfo *ses, bool *pNTLMv2_flag, - const struct nls_table *nls_codepage) -{ - struct smb_hdr *smb_buffer; - struct smb_hdr *smb_buffer_response; - SESSION_SETUP_ANDX *pSMB; - SESSION_SETUP_ANDX *pSMBr; - char *bcc_ptr; - char *domain; - int rc = 0; - int remaining_words = 0; - int bytes_returned = 0; - int len; - int SecurityBlobLength = sizeof(NEGOTIATE_MESSAGE); - PNEGOTIATE_MESSAGE SecurityBlob; - PCHALLENGE_MESSAGE SecurityBlob2; - __u32 negotiate_flags, capabilities; - __u16 count; - - cFYI(1, ("In NTLMSSP sesssetup (negotiate)")); - if (ses == NULL) - return -EINVAL; - domain = ses->domainName; - *pNTLMv2_flag = false; - smb_buffer = cifs_buf_get(); - if (smb_buffer == NULL) { - return -ENOMEM; - } - smb_buffer_response = smb_buffer; - pSMB = (SESSION_SETUP_ANDX *) smb_buffer; - pSMBr = (SESSION_SETUP_ANDX *) smb_buffer_response; - - /* send SMBsessionSetup here */ - header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX, - NULL /* no tCon exists yet */ , 12 /* wct */ ); - - smb_buffer->Mid = GetNextMid(ses->server); - pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC; - pSMB->req.hdr.Flags |= (SMBFLG_CASELESS | SMBFLG_CANONICAL_PATH_FORMAT); - - pSMB->req.AndXCommand = 0xFF; - pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf); - pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq); - - if (ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) - smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; - - capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS | - CAP_EXTENDED_SECURITY; - if (ses->capabilities & CAP_UNICODE) { - smb_buffer->Flags2 |= SMBFLG2_UNICODE; - capabilities |= CAP_UNICODE; - } - if (ses->capabilities & CAP_STATUS32) { - smb_buffer->Flags2 |= SMBFLG2_ERR_STATUS; - capabilities |= CAP_STATUS32; - } - if (ses->capabilities & CAP_DFS) { - smb_buffer->Flags2 |= SMBFLG2_DFS; - capabilities |= CAP_DFS; - } - pSMB->req.Capabilities = cpu_to_le32(capabilities); - - bcc_ptr = (char *) &pSMB->req.SecurityBlob; - SecurityBlob = (PNEGOTIATE_MESSAGE) bcc_ptr; - strncpy(SecurityBlob->Signature, NTLMSSP_SIGNATURE, 8); - SecurityBlob->MessageType = NtLmNegotiate; - negotiate_flags = - NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_OEM | - NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_NTLM | - NTLMSSP_NEGOTIATE_56 | - /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN | */ NTLMSSP_NEGOTIATE_128; - if (sign_CIFS_PDUs) - negotiate_flags |= NTLMSSP_NEGOTIATE_SIGN; - /* setup pointers to domain name and workstation name */ - bcc_ptr += SecurityBlobLength; - - SecurityBlob->WorkstationName.BufferOffset = 0; - SecurityBlob->WorkstationName.Length = 0; - SecurityBlob->WorkstationName.MaximumLength = 0; - - /* Domain not sent on first Sesssetup in NTLMSSP, instead it is sent - along with username on auth request (ie the response to challenge) */ - SecurityBlob->DomainName.BufferOffset = 0; - SecurityBlob->DomainName.Length = 0; - SecurityBlob->DomainName.MaximumLength = 0; - if (ses->capabilities & CAP_UNICODE) { - if ((long) bcc_ptr % 2) { - *bcc_ptr = 0; - bcc_ptr++; - } - - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ", - 32, nls_codepage); - bcc_ptr += 2 * bytes_returned; - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, utsname()->release, 32, - nls_codepage); - bcc_ptr += 2 * bytes_returned; - bcc_ptr += 2; /* null terminate Linux version */ - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS, - 64, nls_codepage); - bcc_ptr += 2 * bytes_returned; - *(bcc_ptr + 1) = 0; - *(bcc_ptr + 2) = 0; - bcc_ptr += 2; /* null terminate network opsys string */ - *(bcc_ptr + 1) = 0; - *(bcc_ptr + 2) = 0; - bcc_ptr += 2; /* null domain */ - } else { /* ASCII */ - strcpy(bcc_ptr, "Linux version "); - bcc_ptr += strlen("Linux version "); - strcpy(bcc_ptr, utsname()->release); - bcc_ptr += strlen(utsname()->release) + 1; - strcpy(bcc_ptr, CIFS_NETWORK_OPSYS); - bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1; - bcc_ptr++; /* empty domain field */ - *bcc_ptr = 0; - } - SecurityBlob->NegotiateFlags = cpu_to_le32(negotiate_flags); - pSMB->req.SecurityBlobLength = cpu_to_le16(SecurityBlobLength); - count = (long) bcc_ptr - (long) pByteArea(smb_buffer); - smb_buffer->smb_buf_length += count; - pSMB->req.ByteCount = cpu_to_le16(count); - - rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, - &bytes_returned, CIFS_LONG_OP); - - if (smb_buffer_response->Status.CifsError == - cpu_to_le32(NT_STATUS_MORE_PROCESSING_REQUIRED)) - rc = 0; - - if (rc) { -/* rc = map_smb_to_linux_error(smb_buffer_response); *//* done in SendReceive now */ - } else if ((smb_buffer_response->WordCount == 3) - || (smb_buffer_response->WordCount == 4)) { - __u16 action = le16_to_cpu(pSMBr->resp.Action); - __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength); - - if (action & GUEST_LOGIN) - cFYI(1, ("Guest login")); - /* Do we want to set anything in SesInfo struct when guest login? */ - - bcc_ptr = pByteArea(smb_buffer_response); - /* response can have either 3 or 4 word count - Samba sends 3 */ - - SecurityBlob2 = (PCHALLENGE_MESSAGE) bcc_ptr; - if (SecurityBlob2->MessageType != NtLmChallenge) { - cFYI(1, ("Unexpected NTLMSSP message type received %d", - SecurityBlob2->MessageType)); - } else if (ses) { - ses->Suid = smb_buffer_response->Uid; /* UID left in le format */ - cFYI(1, ("UID = %d", ses->Suid)); - if ((pSMBr->resp.hdr.WordCount == 3) - || ((pSMBr->resp.hdr.WordCount == 4) - && (blob_len < - pSMBr->resp.ByteCount))) { - - if (pSMBr->resp.hdr.WordCount == 4) { - bcc_ptr += blob_len; - cFYI(1, ("Security Blob Length %d", - blob_len)); - } - - cFYI(1, ("NTLMSSP Challenge rcvd")); - - memcpy(ses->server->cryptKey, - SecurityBlob2->Challenge, - CIFS_CRYPTO_KEY_SIZE); -/* NTLMV2 flag is not for NTLMv2 password hash */ -/* if (SecurityBlob2->NegotiateFlags & - cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2)) - *pNTLMv2_flag = true; */ /* BB wrong */ - - if ((SecurityBlob2->NegotiateFlags & - cpu_to_le32(NTLMSSP_NEGOTIATE_ALWAYS_SIGN)) - || (sign_CIFS_PDUs > 1)) - ses->server->secMode |= - SECMODE_SIGN_REQUIRED; - if ((SecurityBlob2->NegotiateFlags & - cpu_to_le32(NTLMSSP_NEGOTIATE_SIGN)) && (sign_CIFS_PDUs)) - ses->server->secMode |= - SECMODE_SIGN_ENABLED; - - if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { - if ((long) (bcc_ptr) % 2) { - remaining_words = - (BCC(smb_buffer_response) - - 1) / 2; - /* Must word align unicode strings */ - bcc_ptr++; - } else { - remaining_words = - BCC - (smb_buffer_response) / 2; - } - len = - UniStrnlen((wchar_t *) bcc_ptr, - remaining_words - 1); -/* We look for obvious messed up bcc or strings in response so we do not go off - the end since (at least) WIN2K and Windows XP have a major bug in not null - terminating last Unicode string in response */ - kfree(ses->serverOS); - ses->serverOS = - kzalloc(2 * (len + 1), GFP_KERNEL); - cifs_strfromUCS_le(ses->serverOS, - (__le16 *) - bcc_ptr, len, - nls_codepage); - bcc_ptr += 2 * (len + 1); - remaining_words -= len + 1; - ses->serverOS[2 * len] = 0; - ses->serverOS[1 + (2 * len)] = 0; - if (remaining_words > 0) { - len = UniStrnlen((wchar_t *) - bcc_ptr, - remaining_words - - 1); - kfree(ses->serverNOS); - ses->serverNOS = - kzalloc(2 * (len + 1), - GFP_KERNEL); - cifs_strfromUCS_le(ses-> - serverNOS, - (__le16 *) - bcc_ptr, - len, - nls_codepage); - bcc_ptr += 2 * (len + 1); - ses->serverNOS[2 * len] = 0; - ses->serverNOS[1 + - (2 * len)] = 0; - remaining_words -= len + 1; - if (remaining_words > 0) { - len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); - /* last string not always null terminated - (for e.g. for Windows XP & 2000) */ - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2 * - (len + - 1), - GFP_KERNEL); - cifs_strfromUCS_le - (ses->serverDomain, - (__le16 *)bcc_ptr, - len, nls_codepage); - bcc_ptr += - 2 * (len + 1); - ses->serverDomain[2*len] - = 0; - ses->serverDomain - [1 + (2 * len)] - = 0; - } /* else no more room so create dummy domain string */ - else { - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2, - GFP_KERNEL); - } - } else { /* no room so create dummy domain and NOS string */ - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2, GFP_KERNEL); - kfree(ses->serverNOS); - ses->serverNOS = - kzalloc(2, GFP_KERNEL); - } - } else { /* ASCII */ - len = strnlen(bcc_ptr, 1024); - if (((long) bcc_ptr + len) - (long) - pByteArea(smb_buffer_response) - <= BCC(smb_buffer_response)) { - kfree(ses->serverOS); - ses->serverOS = - kzalloc(len + 1, - GFP_KERNEL); - strncpy(ses->serverOS, - bcc_ptr, len); - - bcc_ptr += len; - bcc_ptr[0] = 0; /* null terminate string */ - bcc_ptr++; - - len = strnlen(bcc_ptr, 1024); - kfree(ses->serverNOS); - ses->serverNOS = - kzalloc(len + 1, - GFP_KERNEL); - strncpy(ses->serverNOS, bcc_ptr, len); - bcc_ptr += len; - bcc_ptr[0] = 0; - bcc_ptr++; - - len = strnlen(bcc_ptr, 1024); - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(len + 1, - GFP_KERNEL); - strncpy(ses->serverDomain, - bcc_ptr, len); - bcc_ptr += len; - bcc_ptr[0] = 0; - bcc_ptr++; - } else - cFYI(1, - ("field of length %d " - "extends beyond end of smb", - len)); - } - } else { - cERROR(1, ("Security Blob Length extends beyond" - " end of SMB")); - } - } else { - cERROR(1, ("No session structure passed in.")); - } - } else { - cERROR(1, ("Invalid Word count %d:", - smb_buffer_response->WordCount)); - rc = -EIO; - } - - cifs_buf_release(smb_buffer); - - return rc; -} - -static int -CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, - char *ntlm_session_key, bool ntlmv2_flag, - const struct nls_table *nls_codepage) -{ - struct smb_hdr *smb_buffer; - struct smb_hdr *smb_buffer_response; - SESSION_SETUP_ANDX *pSMB; - SESSION_SETUP_ANDX *pSMBr; - char *bcc_ptr; - char *user; - char *domain; - int rc = 0; - int remaining_words = 0; - int bytes_returned = 0; - int len; - int SecurityBlobLength = sizeof(AUTHENTICATE_MESSAGE); - PAUTHENTICATE_MESSAGE SecurityBlob; - __u32 negotiate_flags, capabilities; - __u16 count; - - cFYI(1, ("In NTLMSSPSessSetup (Authenticate)")); - if (ses == NULL) - return -EINVAL; - user = ses->userName; - domain = ses->domainName; - smb_buffer = cifs_buf_get(); - if (smb_buffer == NULL) { - return -ENOMEM; - } - smb_buffer_response = smb_buffer; - pSMB = (SESSION_SETUP_ANDX *)smb_buffer; - pSMBr = (SESSION_SETUP_ANDX *)smb_buffer_response; - - /* send SMBsessionSetup here */ - header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX, - NULL /* no tCon exists yet */ , 12 /* wct */ ); - - smb_buffer->Mid = GetNextMid(ses->server); - pSMB->req.hdr.Flags |= (SMBFLG_CASELESS | SMBFLG_CANONICAL_PATH_FORMAT); - pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC; - pSMB->req.AndXCommand = 0xFF; - pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf); - pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq); - - pSMB->req.hdr.Uid = ses->Suid; - - if (ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) - smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; - - capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS | - CAP_EXTENDED_SECURITY; - if (ses->capabilities & CAP_UNICODE) { - smb_buffer->Flags2 |= SMBFLG2_UNICODE; - capabilities |= CAP_UNICODE; - } - if (ses->capabilities & CAP_STATUS32) { - smb_buffer->Flags2 |= SMBFLG2_ERR_STATUS; - capabilities |= CAP_STATUS32; - } - if (ses->capabilities & CAP_DFS) { - smb_buffer->Flags2 |= SMBFLG2_DFS; - capabilities |= CAP_DFS; - } - pSMB->req.Capabilities = cpu_to_le32(capabilities); - - bcc_ptr = (char *)&pSMB->req.SecurityBlob; - SecurityBlob = (PAUTHENTICATE_MESSAGE)bcc_ptr; - strncpy(SecurityBlob->Signature, NTLMSSP_SIGNATURE, 8); - SecurityBlob->MessageType = NtLmAuthenticate; - bcc_ptr += SecurityBlobLength; - negotiate_flags = NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_REQUEST_TARGET | - NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_TARGET_INFO | - NTLMSSP_NEGOTIATE_56 | NTLMSSP_NEGOTIATE_128 | - NTLMSSP_NEGOTIATE_EXTENDED_SEC; - if (sign_CIFS_PDUs) - negotiate_flags |= /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN |*/ NTLMSSP_NEGOTIATE_SIGN; - -/* setup pointers to domain name and workstation name */ - - SecurityBlob->WorkstationName.BufferOffset = 0; - SecurityBlob->WorkstationName.Length = 0; - SecurityBlob->WorkstationName.MaximumLength = 0; - SecurityBlob->SessionKey.Length = 0; - SecurityBlob->SessionKey.MaximumLength = 0; - SecurityBlob->SessionKey.BufferOffset = 0; - - SecurityBlob->LmChallengeResponse.Length = 0; - SecurityBlob->LmChallengeResponse.MaximumLength = 0; - SecurityBlob->LmChallengeResponse.BufferOffset = 0; - - SecurityBlob->NtChallengeResponse.Length = - cpu_to_le16(CIFS_SESS_KEY_SIZE); - SecurityBlob->NtChallengeResponse.MaximumLength = - cpu_to_le16(CIFS_SESS_KEY_SIZE); - memcpy(bcc_ptr, ntlm_session_key, CIFS_SESS_KEY_SIZE); - SecurityBlob->NtChallengeResponse.BufferOffset = - cpu_to_le32(SecurityBlobLength); - SecurityBlobLength += CIFS_SESS_KEY_SIZE; - bcc_ptr += CIFS_SESS_KEY_SIZE; - - if (ses->capabilities & CAP_UNICODE) { - if (domain == NULL) { - SecurityBlob->DomainName.BufferOffset = 0; - SecurityBlob->DomainName.Length = 0; - SecurityBlob->DomainName.MaximumLength = 0; - } else { - __u16 ln = cifs_strtoUCS((__le16 *) bcc_ptr, domain, 64, - nls_codepage); - ln *= 2; - SecurityBlob->DomainName.MaximumLength = - cpu_to_le16(ln); - SecurityBlob->DomainName.BufferOffset = - cpu_to_le32(SecurityBlobLength); - bcc_ptr += ln; - SecurityBlobLength += ln; - SecurityBlob->DomainName.Length = cpu_to_le16(ln); - } - if (user == NULL) { - SecurityBlob->UserName.BufferOffset = 0; - SecurityBlob->UserName.Length = 0; - SecurityBlob->UserName.MaximumLength = 0; - } else { - __u16 ln = cifs_strtoUCS((__le16 *) bcc_ptr, user, 64, - nls_codepage); - ln *= 2; - SecurityBlob->UserName.MaximumLength = - cpu_to_le16(ln); - SecurityBlob->UserName.BufferOffset = - cpu_to_le32(SecurityBlobLength); - bcc_ptr += ln; - SecurityBlobLength += ln; - SecurityBlob->UserName.Length = cpu_to_le16(ln); - } - - /* SecurityBlob->WorkstationName.Length = - cifs_strtoUCS((__le16 *) bcc_ptr, "AMACHINE",64, nls_codepage); - SecurityBlob->WorkstationName.Length *= 2; - SecurityBlob->WorkstationName.MaximumLength = - cpu_to_le16(SecurityBlob->WorkstationName.Length); - SecurityBlob->WorkstationName.BufferOffset = - cpu_to_le32(SecurityBlobLength); - bcc_ptr += SecurityBlob->WorkstationName.Length; - SecurityBlobLength += SecurityBlob->WorkstationName.Length; - SecurityBlob->WorkstationName.Length = - cpu_to_le16(SecurityBlob->WorkstationName.Length); */ - - if ((long) bcc_ptr % 2) { - *bcc_ptr = 0; - bcc_ptr++; - } - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ", - 32, nls_codepage); - bcc_ptr += 2 * bytes_returned; - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, utsname()->release, 32, - nls_codepage); - bcc_ptr += 2 * bytes_returned; - bcc_ptr += 2; /* null term version string */ - bytes_returned = - cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS, - 64, nls_codepage); - bcc_ptr += 2 * bytes_returned; - *(bcc_ptr + 1) = 0; - *(bcc_ptr + 2) = 0; - bcc_ptr += 2; /* null terminate network opsys string */ - *(bcc_ptr + 1) = 0; - *(bcc_ptr + 2) = 0; - bcc_ptr += 2; /* null domain */ - } else { /* ASCII */ - if (domain == NULL) { - SecurityBlob->DomainName.BufferOffset = 0; - SecurityBlob->DomainName.Length = 0; - SecurityBlob->DomainName.MaximumLength = 0; - } else { - __u16 ln; - negotiate_flags |= NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED; - strncpy(bcc_ptr, domain, 63); - ln = strnlen(domain, 64); - SecurityBlob->DomainName.MaximumLength = - cpu_to_le16(ln); - SecurityBlob->DomainName.BufferOffset = - cpu_to_le32(SecurityBlobLength); - bcc_ptr += ln; - SecurityBlobLength += ln; - SecurityBlob->DomainName.Length = cpu_to_le16(ln); - } - if (user == NULL) { - SecurityBlob->UserName.BufferOffset = 0; - SecurityBlob->UserName.Length = 0; - SecurityBlob->UserName.MaximumLength = 0; - } else { - __u16 ln; - strncpy(bcc_ptr, user, 63); - ln = strnlen(user, 64); - SecurityBlob->UserName.MaximumLength = cpu_to_le16(ln); - SecurityBlob->UserName.BufferOffset = - cpu_to_le32(SecurityBlobLength); - bcc_ptr += ln; - SecurityBlobLength += ln; - SecurityBlob->UserName.Length = cpu_to_le16(ln); - } - /* BB fill in our workstation name if known BB */ - - strcpy(bcc_ptr, "Linux version "); - bcc_ptr += strlen("Linux version "); - strcpy(bcc_ptr, utsname()->release); - bcc_ptr += strlen(utsname()->release) + 1; - strcpy(bcc_ptr, CIFS_NETWORK_OPSYS); - bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1; - bcc_ptr++; /* null domain */ - *bcc_ptr = 0; - } - SecurityBlob->NegotiateFlags = cpu_to_le32(negotiate_flags); - pSMB->req.SecurityBlobLength = cpu_to_le16(SecurityBlobLength); - count = (long) bcc_ptr - (long) pByteArea(smb_buffer); - smb_buffer->smb_buf_length += count; - pSMB->req.ByteCount = cpu_to_le16(count); - - rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, - &bytes_returned, CIFS_LONG_OP); - if (rc) { -/* rc = map_smb_to_linux_error(smb_buffer_response) done in SendReceive now */ - } else if ((smb_buffer_response->WordCount == 3) || - (smb_buffer_response->WordCount == 4)) { - __u16 action = le16_to_cpu(pSMBr->resp.Action); - __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength); - if (action & GUEST_LOGIN) - cFYI(1, ("Guest login")); /* BB Should we set anything - in SesInfo struct ? */ -/* if (SecurityBlob2->MessageType != NtLm??) { - cFYI("Unexpected message type on auth response is %d")); - } */ - - if (ses) { - cFYI(1, - ("Check challenge UID %d vs auth response UID %d", - ses->Suid, smb_buffer_response->Uid)); - /* UID left in wire format */ - ses->Suid = smb_buffer_response->Uid; - bcc_ptr = pByteArea(smb_buffer_response); - /* response can have either 3 or 4 word count - Samba sends 3 */ - if ((pSMBr->resp.hdr.WordCount == 3) - || ((pSMBr->resp.hdr.WordCount == 4) - && (blob_len < - pSMBr->resp.ByteCount))) { - if (pSMBr->resp.hdr.WordCount == 4) { - bcc_ptr += - blob_len; - cFYI(1, - ("Security Blob Length %d ", - blob_len)); - } - - cFYI(1, - ("NTLMSSP response to Authenticate ")); - - if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { - if ((long) (bcc_ptr) % 2) { - remaining_words = - (BCC(smb_buffer_response) - - 1) / 2; - bcc_ptr++; /* Unicode strings must be word aligned */ - } else { - remaining_words = BCC(smb_buffer_response) / 2; - } - len = UniStrnlen((wchar_t *) bcc_ptr, - remaining_words - 1); -/* We look for obvious messed up bcc or strings in response so we do not go off - the end since (at least) WIN2K and Windows XP have a major bug in not null - terminating last Unicode string in response */ - kfree(ses->serverOS); - ses->serverOS = - kzalloc(2 * (len + 1), GFP_KERNEL); - cifs_strfromUCS_le(ses->serverOS, - (__le16 *) - bcc_ptr, len, - nls_codepage); - bcc_ptr += 2 * (len + 1); - remaining_words -= len + 1; - ses->serverOS[2 * len] = 0; - ses->serverOS[1 + (2 * len)] = 0; - if (remaining_words > 0) { - len = UniStrnlen((wchar_t *) - bcc_ptr, - remaining_words - - 1); - kfree(ses->serverNOS); - ses->serverNOS = - kzalloc(2 * (len + 1), - GFP_KERNEL); - cifs_strfromUCS_le(ses-> - serverNOS, - (__le16 *) - bcc_ptr, - len, - nls_codepage); - bcc_ptr += 2 * (len + 1); - ses->serverNOS[2 * len] = 0; - ses->serverNOS[1+(2*len)] = 0; - remaining_words -= len + 1; - if (remaining_words > 0) { - len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); - /* last string not always null terminated (e.g. for Windows XP & 2000) */ - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(2 * - (len + - 1), - GFP_KERNEL); - cifs_strfromUCS_le - (ses-> - serverDomain, - (__le16 *) - bcc_ptr, len, - nls_codepage); - bcc_ptr += - 2 * (len + 1); - ses-> - serverDomain[2 - * len] - = 0; - ses-> - serverDomain[1 - + - (2 - * - len)] - = 0; - } /* else no more room so create dummy domain string */ - else { - kfree(ses->serverDomain); - ses->serverDomain = kzalloc(2,GFP_KERNEL); - } - } else { /* no room so create dummy domain and NOS string */ - kfree(ses->serverDomain); - ses->serverDomain = kzalloc(2, GFP_KERNEL); - kfree(ses->serverNOS); - ses->serverNOS = kzalloc(2, GFP_KERNEL); - } - } else { /* ASCII */ - len = strnlen(bcc_ptr, 1024); - if (((long) bcc_ptr + len) - - (long) pByteArea(smb_buffer_response) - <= BCC(smb_buffer_response)) { - kfree(ses->serverOS); - ses->serverOS = kzalloc(len + 1, GFP_KERNEL); - strncpy(ses->serverOS,bcc_ptr, len); - - bcc_ptr += len; - bcc_ptr[0] = 0; /* null terminate the string */ - bcc_ptr++; - - len = strnlen(bcc_ptr, 1024); - kfree(ses->serverNOS); - ses->serverNOS = kzalloc(len+1, - GFP_KERNEL); - strncpy(ses->serverNOS, - bcc_ptr, len); - bcc_ptr += len; - bcc_ptr[0] = 0; - bcc_ptr++; - - len = strnlen(bcc_ptr, 1024); - kfree(ses->serverDomain); - ses->serverDomain = - kzalloc(len+1, - GFP_KERNEL); - strncpy(ses->serverDomain, - bcc_ptr, len); - bcc_ptr += len; - bcc_ptr[0] = 0; - bcc_ptr++; - } else - cFYI(1, ("field of length %d " - "extends beyond end of smb ", - len)); - } - } else { - cERROR(1, ("Security Blob extends beyond end " - "of SMB")); - } - } else { - cERROR(1, ("No session structure passed in.")); - } - } else { - cERROR(1, ("Invalid Word count %d: ", - smb_buffer_response->WordCount)); - rc = -EIO; - } - - cifs_buf_release(smb_buffer); - - return rc; -} - int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, const char *tree, struct cifsTconInfo *tcon, From 341060273232a2df0d1a7fa53abc661fcf22747c Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Sat, 2 May 2009 04:59:34 +0000 Subject: [PATCH 355/478] [CIFS] remove cifs_strfromUCS_le Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/cifs_unicode.c | 29 ----------------------------- fs/cifs/cifs_unicode.h | 1 - 2 files changed, 30 deletions(-) diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 6382720acf7c..60e3c4253de0 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -180,35 +180,6 @@ cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen, return outlen; } -/* - * NAME: cifs_strfromUCS() - * - * FUNCTION: Convert little-endian unicode string to character string - * - */ -int -cifs_strfromUCS_le(char *to, const __le16 *from, - int len, const struct nls_table *codepage) -{ - int i; - int outlen = 0; - - for (i = 0; (i < len) && from[i]; i++) { - int charlen; - /* 2.4.0 kernel or greater */ - charlen = - codepage->uni2char(le16_to_cpu(from[i]), &to[outlen], - NLS_MAX_CHARSET_SIZE); - if (charlen > 0) { - outlen += charlen; - } else { - to[outlen++] = '?'; - } - } - to[outlen] = 0; - return outlen; -} - /* * NAME: cifs_strtoUCS() * diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index 1570a701bf3f..650638275a6f 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -76,7 +76,6 @@ int cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen, const struct nls_table *codepage, bool mapchar); int cifs_ucs2_bytes(const __le16 *from, int maxbytes, const struct nls_table *codepage); -int cifs_strfromUCS_le(char *, const __le16 *, int, const struct nls_table *); int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *); char *cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode, From afe48c31ea5c74eaac58621ce1c85ae8187c4383 Mon Sep 17 00:00:00 2001 From: Steve French Date: Sat, 2 May 2009 05:25:46 +0000 Subject: [PATCH 356/478] [CIFS] Fix final user of old string conversion code Signed-off-by: Steve French --- fs/cifs/cifssmb.c | 80 ++++++++++++++++++++++------------------------- 1 file changed, 38 insertions(+), 42 deletions(-) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index b968e5bd7df3..0ac32bd336d7 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2564,7 +2564,6 @@ validate_ntransact(char *buf, char **ppparm, char **ppdata, *pparmlen = parm_count; return 0; } -#endif /* CIFS_EXPERIMENTAL */ int CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, @@ -2611,59 +2610,55 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, } else { /* decode response */ __u32 data_offset = le32_to_cpu(pSMBr->DataOffset); __u32 data_count = le32_to_cpu(pSMBr->DataCount); - if ((pSMBr->ByteCount < 2) || (data_offset > 512)) + if ((pSMBr->ByteCount < 2) || (data_offset > 512)) { /* BB also check enough total bytes returned */ rc = -EIO; /* bad smb */ - else { - if (data_count && (data_count < 2048)) { - char *end_of_smb = 2 /* sizeof byte count */ + - pSMBr->ByteCount + - (char *)&pSMBr->ByteCount; + goto qreparse_out; + } + if (data_count && (data_count < 2048)) { + char *end_of_smb = 2 /* sizeof byte count */ + + pSMBr->ByteCount + (char *)&pSMBr->ByteCount; - struct reparse_data *reparse_buf = + struct reparse_data *reparse_buf = (struct reparse_data *) ((char *)&pSMBr->hdr.Protocol + data_offset); - if ((char *)reparse_buf >= end_of_smb) { - rc = -EIO; - goto qreparse_out; - } - if ((reparse_buf->LinkNamesBuf + - reparse_buf->TargetNameOffset + - reparse_buf->TargetNameLen) > - end_of_smb) { - cFYI(1, ("reparse buf beyond SMB")); - rc = -EIO; - goto qreparse_out; - } + if ((char *)reparse_buf >= end_of_smb) { + rc = -EIO; + goto qreparse_out; + } + if ((reparse_buf->LinkNamesBuf + + reparse_buf->TargetNameOffset + + reparse_buf->TargetNameLen) > end_of_smb) { + cFYI(1, ("reparse buf beyond SMB")); + rc = -EIO; + goto qreparse_out; + } - if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) { - name_len = UniStrnlen((wchar_t *) + if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) { + cifs_from_ucs2(symlinkinfo, (__le16 *) (reparse_buf->LinkNamesBuf + reparse_buf->TargetNameOffset), - min(buflen/2, - reparse_buf->TargetNameLen / 2)); - cifs_strfromUCS_le(symlinkinfo, - (__le16 *) (reparse_buf->LinkNamesBuf + - reparse_buf->TargetNameOffset), - name_len, nls_codepage); - } else { /* ASCII names */ - strncpy(symlinkinfo, - reparse_buf->LinkNamesBuf + - reparse_buf->TargetNameOffset, - min_t(const int, buflen, - reparse_buf->TargetNameLen)); - } - } else { - rc = -EIO; - cFYI(1, ("Invalid return data count on " - "get reparse info ioctl")); + buflen, + reparse_buf->TargetNameLen, + nls_codepage, 0); + } else { /* ASCII names */ + strncpy(symlinkinfo, + reparse_buf->LinkNamesBuf + + reparse_buf->TargetNameOffset, + min_t(const int, buflen, + reparse_buf->TargetNameLen)); } - symlinkinfo[buflen] = 0; /* just in case so the caller - does not go off the end of the buffer */ - cFYI(1, ("readlink result - %s", symlinkinfo)); + } else { + rc = -EIO; + cFYI(1, ("Invalid return data count on " + "get reparse info ioctl")); } + symlinkinfo[buflen] = 0; /* just in case so the caller + does not go off the end of the buffer */ + cFYI(1, ("readlink result - %s", symlinkinfo)); } + qreparse_out: cifs_buf_release(pSMB); @@ -2672,6 +2667,7 @@ qreparse_out: return rc; } +#endif /* CIFS_EXPERIMENTAL */ #ifdef CONFIG_CIFS_POSIX From 989c7e512f4dc976b10803ab0c449bdaaf3eaabd Mon Sep 17 00:00:00 2001 From: Steve French Date: Sat, 2 May 2009 05:32:20 +0000 Subject: [PATCH 357/478] [CIFS] remove checkpatch warning Signed-off-by: Steve French --- fs/cifs/cifssmb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 0ac32bd336d7..259f633ca594 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2658,7 +2658,7 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, does not go off the end of the buffer */ cFYI(1, ("readlink result - %s", symlinkinfo)); } - + qreparse_out: cifs_buf_release(pSMB); From 24d35add2bd09a427cacb7a39e14f3e47ed4d766 Mon Sep 17 00:00:00 2001 From: Steve French Date: Sat, 2 May 2009 05:40:39 +0000 Subject: [PATCH 358/478] [CIFS] Remove sparse warning Signed-off-by: Steve French --- fs/cifs/cifssmb.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 259f633ca594..4e10efd2432c 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2573,7 +2573,6 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, { int rc = 0; int bytes_returned; - int name_len; struct smb_com_transaction_ioctl_req *pSMB; struct smb_com_transaction_ioctl_rsp *pSMBr; From 74a03b69d1b5ce00a568e142ca97e76b7f5239c6 Mon Sep 17 00:00:00 2001 From: john stultz Date: Fri, 1 May 2009 13:10:25 -0700 Subject: [PATCH 359/478] clockevents: prevent endless loop in tick_handle_periodic() tick_handle_periodic() can lock up hard when a one shot clock event device is used in combination with jiffies clocksource. Avoid an endless loop issue by requiring that a highres valid clocksource be installed before we call tick_periodic() in a loop when using ONESHOT mode. The result is we will only increment jiffies once per interrupt until a continuous hardware clocksource is available. Without this, we can run into a endless loop, where each cycle through the loop, jiffies is updated which increments time by tick_period or more (due to clock steering), which can cause the event programming to think the next event was before the newly incremented time and fail causing tick_periodic() to be called again and the whole process loops forever. [ Impact: prevent hard lock up ] Signed-off-by: John Stultz Signed-off-by: Andrew Morton Signed-off-by: Thomas Gleixner Cc: stable@kernel.org --- kernel/time/tick-common.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 21a5ca849514..83c4417b6a3c 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -93,7 +93,17 @@ void tick_handle_periodic(struct clock_event_device *dev) for (;;) { if (!clockevents_program_event(dev, next, ktime_get())) return; - tick_periodic(cpu); + /* + * Have to be careful here. If we're in oneshot mode, + * before we call tick_periodic() in a loop, we need + * to be sure we're using a real hardware clocksource. + * Otherwise we could get trapped in an infinite + * loop, as the tick_periodic() increments jiffies, + * when then will increment time, posibly causing + * the loop to trigger again and again. + */ + if (timekeeping_valid_for_hres()) + tick_periodic(cpu); next = ktime_add(next, tick_period); } } From 9c88b06dc7589fb0bccd617c4659066fb803cfda Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Sat, 2 May 2009 20:29:00 +0900 Subject: [PATCH 360/478] m32r: build fix for __stringify macro This patch fixes the following build error of 2.6.30-rc3-git2: AS arch/m32r/kernel/head.o In file included from /include/linux/init.h:7, from /arch/m32r/kernel/head.S:11: /include/linux/stringify.h:9: error: syntax error in macro parameter list /include/linux/stringify.h:10: error: syntax error in macro parameter list This build error was caused at __HEAD macro in arch/m32r/kernel/head.S, which uses __stringify() macro. Remove -traditional option from EXTRA_AFLAGS for the m32r, because the __stringify() macro depends on the gcc's variadic macro extension function, due to commit: Make __stringify support variable argument macros too commit: 8f7c2c37319a81ef4c2bfdec67b1ccd5744d97e4 Signed-off-by: Hirokazu Takata --- arch/m32r/boot/compressed/Makefile | 1 - arch/m32r/kernel/Makefile | 2 -- 2 files changed, 3 deletions(-) diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile index d908e1d3c07f..560484ae35ec 100644 --- a/arch/m32r/boot/compressed/Makefile +++ b/arch/m32r/boot/compressed/Makefile @@ -6,7 +6,6 @@ targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o \ piggy.o vmlinux.lds -EXTRA_AFLAGS := -traditional OBJECTS = $(obj)/head.o $(obj)/misc.o diff --git a/arch/m32r/kernel/Makefile b/arch/m32r/kernel/Makefile index 09200d4886e3..b1a4b6036591 100644 --- a/arch/m32r/kernel/Makefile +++ b/arch/m32r/kernel/Makefile @@ -9,5 +9,3 @@ obj-y := process.o entry.o traps.o align.o irq.o setup.o time.o \ obj-$(CONFIG_SMP) += smp.o smpboot.o obj-$(CONFIG_MODULES) += module.o - -EXTRA_AFLAGS := -traditional From 9cd67243de582c206758adff152c5fcc1b2aa069 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Sat, 2 May 2009 22:08:33 +0900 Subject: [PATCH 361/478] m32r: use __stringify() macro in assembler.h Replace #x with __stringify(x). Also, #ifndef __STR is removed and undefine __STR macro at the beginning. The __STR() macro is still remained, because the assembler.h might be included from assembly codes as well as C codes. Signed-off-by: Hirokazu Takata --- arch/m32r/include/asm/assembler.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/m32r/include/asm/assembler.h b/arch/m32r/include/asm/assembler.h index 26351539b5ff..728799fc70aa 100644 --- a/arch/m32r/include/asm/assembler.h +++ b/arch/m32r/include/asm/assembler.h @@ -9,14 +9,15 @@ * This file contains M32R architecture specific macro definitions. */ +#include + +#undef __STR -#ifndef __STR #ifdef __ASSEMBLY__ #define __STR(x) x #else -#define __STR(x) #x +#define __STR(x) __stringify(x) #endif -#endif /* __STR */ #ifdef CONFIG_SMP #define M32R_LOCK __STR(lock) From 53951bd57dfe2da58f86cdf276719082d80d8485 Mon Sep 17 00:00:00 2001 From: Robert Moore Date: Sat, 2 May 2009 11:48:37 -0700 Subject: [PATCH 362/478] acpica: validate package element more carefully in acpi_rs_get_pci_routing_table_length acpi_rs_get_pci_routing_table_length is not performing sufficient validation on the package returned from _PRT. It assumes a package of packages and fails/faults if this is not the case. We should validate each subpackage when extracted from the parent package, and not accept objects of the wrong type, since that will just cause the scanning to fail (likely with a kernel oops). This can only happen with a serious BIOS bug, and is accompanied by a warning something like this: ACPI Warning (nspredef-0949): \_SB_.PCI0.PEG4._PRT: Return Package type mismatch at index 0 - found Integer, expected Package [20090320] Signed-off-by: Linus Torvalds --- drivers/acpi/acpica/rscalc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index b6667ff059e5..88b5a2c4814d 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -543,6 +543,13 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, package_element = *top_object_list; + /* We must have a valid Package object */ + + if (!package_element || + (package_element->common.type != ACPI_TYPE_PACKAGE)) { + return_ACPI_STATUS (AE_AML_OPERAND_TYPE); + } + /* * The sub_object_list will now point to an array of the * four IRQ elements: Address, Pin, Source and source_index From d0ab8ff81bf1b01bae7d6b92ca067badbbb02cc9 Mon Sep 17 00:00:00 2001 From: Robert Love Date: Sat, 2 May 2009 13:48:32 -0700 Subject: [PATCH 363/478] net: Only store high 16 bits of kernel generated filter priorities The kernel should only be using the high 16 bits of a kernel generated priority. Filter priorities in all other cases only use the upper 16 bits of the u32 'prio' field of 'struct tcf_proto', but when the kernel generates the priority of a filter is saves all 32 bits which can result in incorrect lookup failures when a filter needs to be deleted or modified. Signed-off-by: Robert Love Signed-off-by: David S. Miller --- net/sched/cls_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 173fcc4b050d..0759f32e9dca 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -254,7 +254,7 @@ replay: } tp->ops = tp_ops; tp->protocol = protocol; - tp->prio = nprio ? : tcf_auto_prio(*back); + tp->prio = nprio ? : TC_H_MAJ(tcf_auto_prio(*back)); tp->q = q; tp->classify = tp_ops->classify; tp->classid = parent; From 902e5ea15f8471a3213a37b11b98196f3406aeaf Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Sat, 2 May 2009 13:49:36 -0700 Subject: [PATCH 364/478] Subject: [PATCH] br2684: restore net_dev initialization Commit 0ba25ff4c669e5395110ba6ab4958a97a9f96922 ("br2684: convert to net_device_ops") inadvertently deleted the initialization of the net_dev pointer in the br2684_dev structure, leading to crashes. This patch adds it back. Reported-by: Mikko Vinni Tested-by: Mikko Vinni Signed-off-by: Rabin Vincent Signed-off-by: David S. Miller --- net/atm/br2684.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/atm/br2684.c b/net/atm/br2684.c index 334fcd4a4ea4..3100a8940afc 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -549,6 +549,7 @@ static void br2684_setup(struct net_device *netdev) struct br2684_dev *brdev = BRPRIV(netdev); ether_setup(netdev); + brdev->net_dev = netdev; netdev->netdev_ops = &br2684_netdev_ops; From 379b026ecc20c4657d37e40ead789f7f28f1a1c1 Mon Sep 17 00:00:00 2001 From: Lubomir Rintel Date: Sat, 2 May 2009 13:52:13 -0700 Subject: [PATCH 365/478] ne2k-pci: Do not register device until initialized. Doing it in reverse order causes uevent to be sent before we have a MAC address, which confuses udev. Signed-off-by: Lubomir Rintel Acked-by: Jeff Garzik Signed-off-by: David S. Miller --- drivers/net/ne2k-pci.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c index eb66f658f9d1..7d83896b8c26 100644 --- a/drivers/net/ne2k-pci.c +++ b/drivers/net/ne2k-pci.c @@ -374,18 +374,17 @@ static int __devinit ne2k_pci_init_one (struct pci_dev *pdev, dev->ethtool_ops = &ne2k_pci_ethtool_ops; NS8390_init(dev, 0); + memcpy(dev->dev_addr, SA_prom, 6); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + i = register_netdev(dev); if (i) goto err_out_free_netdev; - for(i = 0; i < 6; i++) - dev->dev_addr[i] = SA_prom[i]; printk("%s: %s found at %#lx, IRQ %d, %pM.\n", dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq, dev->dev_addr); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - return 0; err_out_free_netdev: From bc43f75cd9815833b27831600ccade672edb5e43 Mon Sep 17 00:00:00 2001 From: Johannes Weiner Date: Thu, 30 Apr 2009 15:08:08 -0700 Subject: [PATCH 366/478] mm: fix pageref leak in do_swap_page() By the time the memory cgroup code is notified about a swapin we already hold a reference on the fault page. If the cgroup callback fails make sure to unlock AND release the page reference which was taken by lookup_swap_cach(), or we leak the reference. Signed-off-by: Johannes Weiner Cc: Balbir Singh Reviewed-by: Minchan Kim Acked-by: KAMEZAWA Hiroyuki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memory.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index cf6873e91c6a..6a4ef0fd0711 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2458,8 +2458,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, if (mem_cgroup_try_charge_swapin(mm, page, GFP_KERNEL, &ptr)) { ret = VM_FAULT_OOM; - unlock_page(page); - goto out; + goto out_page; } /* @@ -2521,6 +2520,7 @@ out: out_nomap: mem_cgroup_cancel_charge_swapin(ptr); pte_unmap_unlock(page_table, ptl); +out_page: unlock_page(page); page_cache_release(page); return ret; From a8985f3ac503b51c5abf8883fc4fb912e13b955c Mon Sep 17 00:00:00 2001 From: Ian Kent Date: Thu, 30 Apr 2009 15:08:09 -0700 Subject: [PATCH 367/478] autofs4: fix incorrect return in autofs4_mount_busy() Fix an obvious incorrect return status in autofs4_mount_busy(). Signed-off-by: Ian Kent Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/autofs4/expire.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index 75f7ddacf7d6..3077d8f16523 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -70,8 +70,10 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry) * Otherwise it's an offset mount and we need to check * if we can umount its mount, if there is one. */ - if (!d_mountpoint(dentry)) + if (!d_mountpoint(dentry)) { + status = 0; goto done; + } } /* Update the expiry counter if fs is busy */ From 1e50cc9022d6c0b9175d804573e3f401d00d1381 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 30 Apr 2009 15:08:10 -0700 Subject: [PATCH 368/478] MAINTAINERS: Florian has moved I will finish school soon, so replace my student address with this one. Signed-off-by: Florian Fainelli Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- MAINTAINERS | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index c547f4a2bb62..585b2446549c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4666,13 +4666,13 @@ F: kernel/rcutorture.c RDC R-321X SoC P: Florian Fainelli -M: florian.fainelli@telecomint.eu +M: florian@openwrt.org L: linux-kernel@vger.kernel.org S: Maintained RDC R6040 FAST ETHERNET DRIVER P: Florian Fainelli -M: florian.fainelli@telecomint.eu +M: florian@openwrt.org L: netdev@vger.kernel.org S: Maintained F: drivers/net/r6040.c From c0bd3f63ce01a1757dbce6373122a05fbf99ced7 Mon Sep 17 00:00:00 2001 From: Daisuke Nishimura Date: Thu, 30 Apr 2009 15:08:11 -0700 Subject: [PATCH 369/478] memcg: fix try_get_mem_cgroup_from_swapcache() This is a bugfix for commit 3c776e64660028236313f0e54f3a9945764422df ("memcg: charge swapcache to proper memcg"). Used bit of swapcache is solid under page lock, but considering move_account, pc->mem_cgroup is not. We need lock_page_cgroup() anyway. Signed-off-by: Daisuke Nishimura Acked-by: KAMEZAWA Hiroyuki Cc: Balbir Singh Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memcontrol.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index e44fb0fbb80e..575203ae2109 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1024,9 +1024,7 @@ static struct mem_cgroup *try_get_mem_cgroup_from_swapcache(struct page *page) return NULL; pc = lookup_page_cgroup(page); - /* - * Used bit of swapcache is solid under page lock. - */ + lock_page_cgroup(pc); if (PageCgroupUsed(pc)) { mem = pc->mem_cgroup; if (mem && !css_tryget(&mem->css)) @@ -1040,6 +1038,7 @@ static struct mem_cgroup *try_get_mem_cgroup_from_swapcache(struct page *page) mem = NULL; rcu_read_unlock(); } + unlock_page_cgroup(pc); return mem; } From cf94a4d116fa7a1b81868d4b5410a41efe831a49 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 30 Apr 2009 15:08:12 -0700 Subject: [PATCH 370/478] MAINTAINERS: add ptrace entry Add Roland and Oleg as formal ptrace maintainers, they've been doing the job for a while. Includes the file patterns requested by Joe. Signed-off-by: Christoph Hellwig Acked-by: Roland McGrath Cc: Oleg Nesterov Cc: Joe Perches Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- MAINTAINERS | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 585b2446549c..066644a8fbcb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4521,6 +4521,19 @@ M: jim@jtan.com L: cbe-oss-dev@ozlabs.org S: Maintained +PTRACE SUPPORT +P: Roland McGrath +M: roland@redhat.com +P: Oleg Nesterov +M: oleg@redhat.com +L: linux-kernel@vger.kernel.org +S: Maintained +F: include/asm-generic/syscall.h +F: include/linux/ptrace.h +F: include/linux/regset.h +F: include/linux/tracehook.h +F: kernel/ptrace.c + PVRUSB2 VIDEO4LINUX DRIVER P: Mike Isely M: isely@pobox.com From 9e040a3e915d0a3da6caa665da7a458973e8f33e Mon Sep 17 00:00:00 2001 From: Jesper Nilsson Date: Thu, 30 Apr 2009 15:08:13 -0700 Subject: [PATCH 371/478] CRISv10: fix serial driver proc-usage drivers/serial/crisv10.c:4428: error: unknown field 'read_proc' specified in initializer Commit 0f043a81ebe84be3576667f04fdda481609e3816 ("proc tty: remove struct tty_operations::read_proc") removes the read_proc entry from struct tty_operations. Rework the proc handling in the CRISv10 serial driver to use proc_fops instead. Signed-off-by: Jesper Nilsson Cc: Alexey Dobriyan Cc: Alan Cox Cc: Mikael Starvik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/crisv10.c | 177 ++++++++++++++++++--------------------- 1 file changed, 80 insertions(+), 97 deletions(-) diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 7ba7d70f04d6..7be52fe288eb 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -23,16 +23,18 @@ static char *serial_version = "$Revision: 1.25 $"; #include #include #include -#include #include #include #include +#include +#include +#include +#include +#include -#include #include #include #include -#include #include @@ -456,7 +458,6 @@ static struct e100_serial rs_table[] = { #define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial)) -static struct ktermios *serial_termios[NR_PORTS]; #ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER static struct fast_timer fast_timers[NR_PORTS]; #endif @@ -4257,151 +4258,132 @@ rs_open(struct tty_struct *tty, struct file * filp) return 0; } +#ifdef CONFIG_PROC_FS /* * /proc fs routines.... */ -static int line_info(char *buf, struct e100_serial *info) +static void seq_line_info(struct seq_file *m, struct e100_serial *info) { - char stat_buf[30]; - int ret; unsigned long tmp; - ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d", - info->line, (unsigned long)info->ioport, info->irq); + seq_printf(m, "%d: uart:E100 port:%lX irq:%d", + info->line, (unsigned long)info->ioport, info->irq); if (!info->ioport || (info->type == PORT_UNKNOWN)) { - ret += sprintf(buf+ret, "\n"); - return ret; + seq_printf(m, "\n"); + return; } - stat_buf[0] = 0; - stat_buf[1] = 0; - if (!E100_RTS_GET(info)) - strcat(stat_buf, "|RTS"); - if (!E100_CTS_GET(info)) - strcat(stat_buf, "|CTS"); - if (!E100_DTR_GET(info)) - strcat(stat_buf, "|DTR"); - if (!E100_DSR_GET(info)) - strcat(stat_buf, "|DSR"); - if (!E100_CD_GET(info)) - strcat(stat_buf, "|CD"); - if (!E100_RI_GET(info)) - strcat(stat_buf, "|RI"); - - ret += sprintf(buf+ret, " baud:%d", info->baud); - - ret += sprintf(buf+ret, " tx:%lu rx:%lu", + seq_printf(m, " baud:%d", info->baud); + seq_printf(m, " tx:%lu rx:%lu", (unsigned long)info->icount.tx, (unsigned long)info->icount.rx); tmp = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE); - if (tmp) { - ret += sprintf(buf+ret, " tx_pend:%lu/%lu", - (unsigned long)tmp, - (unsigned long)SERIAL_XMIT_SIZE); - } + if (tmp) + seq_printf(m, " tx_pend:%lu/%lu", + (unsigned long)tmp, + (unsigned long)SERIAL_XMIT_SIZE); - ret += sprintf(buf+ret, " rx_pend:%lu/%lu", - (unsigned long)info->recv_cnt, - (unsigned long)info->max_recv_cnt); + seq_printf(m, " rx_pend:%lu/%lu", + (unsigned long)info->recv_cnt, + (unsigned long)info->max_recv_cnt); #if 1 if (info->port.tty) { - if (info->port.tty->stopped) - ret += sprintf(buf+ret, " stopped:%i", - (int)info->port.tty->stopped); + seq_printf(m, " stopped:%i", + (int)info->port.tty->stopped); if (info->port.tty->hw_stopped) - ret += sprintf(buf+ret, " hw_stopped:%i", - (int)info->port.tty->hw_stopped); + seq_printf(m, " hw_stopped:%i", + (int)info->port.tty->hw_stopped); } { unsigned char rstat = info->ioport[REG_STATUS]; - if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) - ret += sprintf(buf+ret, " xoff_detect:1"); + if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect)) + seq_printf(m, " xoff_detect:1"); } #endif - - - if (info->icount.frame) - ret += sprintf(buf+ret, " fe:%lu", - (unsigned long)info->icount.frame); + seq_printf(m, " fe:%lu", (unsigned long)info->icount.frame); if (info->icount.parity) - ret += sprintf(buf+ret, " pe:%lu", - (unsigned long)info->icount.parity); + seq_printf(m, " pe:%lu", (unsigned long)info->icount.parity); if (info->icount.brk) - ret += sprintf(buf+ret, " brk:%lu", - (unsigned long)info->icount.brk); + seq_printf(m, " brk:%lu", (unsigned long)info->icount.brk); if (info->icount.overrun) - ret += sprintf(buf+ret, " oe:%lu", - (unsigned long)info->icount.overrun); + seq_printf(m, " oe:%lu", (unsigned long)info->icount.overrun); /* * Last thing is the RS-232 status lines */ - ret += sprintf(buf+ret, " %s\n", stat_buf+1); - return ret; + if (!E100_RTS_GET(info)) + seq_puts(m, "|RTS"); + if (!E100_CTS_GET(info)) + seq_puts(m, "|CTS"); + if (!E100_DTR_GET(info)) + seq_puts(m, "|DTR"); + if (!E100_DSR_GET(info)) + seq_puts(m, "|DSR"); + if (!E100_CD_GET(info)) + seq_puts(m, "|CD"); + if (!E100_RI_GET(info)) + seq_puts(m, "|RI"); + seq_puts(m, "\n"); } -int rs_read_proc(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - int i, len = 0, l; - off_t begin = 0; - len += sprintf(page, "serinfo:1.0 driver:%s\n", - serial_version); - for (i = 0; i < NR_PORTS && len < 4000; i++) { +static int crisv10_proc_show(struct seq_file *m, void *v) +{ + int i; + + seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version); + + for (i = 0; i < NR_PORTS; i++) { if (!rs_table[i].enabled) continue; - l = line_info(page + len, &rs_table[i]); - len += l; - if (len+begin > off+count) - goto done; - if (len+begin < off) { - begin += len; - len = 0; - } + seq_line_info(m, &rs_table[i]); } #ifdef DEBUG_LOG_INCLUDED for (i = 0; i < debug_log_pos; i++) { - len += sprintf(page + len, "%-4i %lu.%lu ", i, debug_log[i].time, timer_data_to_ns(debug_log[i].timer_data)); - len += sprintf(page + len, debug_log[i].string, debug_log[i].value); - if (len+begin > off+count) - goto done; - if (len+begin < off) { - begin += len; - len = 0; - } + seq_printf(m, "%-4i %lu.%lu ", + i, debug_log[i].time, + timer_data_to_ns(debug_log[i].timer_data)); + seq_printf(m, debug_log[i].string, debug_log[i].value); } - len += sprintf(page + len, "debug_log %i/%i %li bytes\n", - i, DEBUG_LOG_SIZE, begin+len); + seq_printf(m, "debug_log %i/%i\n", i, DEBUG_LOG_SIZE); debug_log_pos = 0; #endif - - *eof = 1; -done: - if (off >= len+begin) - return 0; - *start = page + (off-begin); - return ((count < begin+len-off) ? count : begin+len-off); + return 0; } +static int crisv10_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, crisv10_proc_show, NULL); +} + +static const struct file_operations crisv10_proc_fops = { + .owner = THIS_MODULE, + .open = crisv10_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + + /* Finally, routines used to initialize the serial driver. */ -static void -show_serial_version(void) +static void show_serial_version(void) { printk(KERN_INFO - "ETRAX 100LX serial-driver %s, (c) 2000-2004 Axis Communications AB\r\n", + "ETRAX 100LX serial-driver %s, " + "(c) 2000-2004 Axis Communications AB\r\n", &serial_version[11]); /* "$Revision: x.yy" */ } @@ -4425,13 +4407,14 @@ static const struct tty_operations rs_ops = { .break_ctl = rs_break, .send_xchar = rs_send_xchar, .wait_until_sent = rs_wait_until_sent, - .read_proc = rs_read_proc, .tiocmget = rs_tiocmget, - .tiocmset = rs_tiocmset + .tiocmset = rs_tiocmset, +#ifdef CONFIG_PROC_FS + .proc_fops = &crisv10_proc_fops, +#endif }; -static int __init -rs_init(void) +static int __init rs_init(void) { int i; struct e100_serial *info; From a5fc1abe438b87a9d128beebc377f78e2681a76d Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 30 Apr 2009 15:08:14 -0700 Subject: [PATCH 372/478] atomic: fix atomic_long_cmpxchg/xchg for 64 bit architectures On a linux-next allyesconfig build: kernel/trace/ring_buffer.c:1726: warning: passing argument 1 of 'atomic_cmpxchg' from incompatible pointer type linux-next/arch/s390/include/asm/atomic.h:112: note: expected 'struct atomic_t *' but argument is of type 'struct atomic64_t *' atomic_long_cmpxchg and atomic_long_xchg are incorrectly defined for 64 bit architectures. They should be mapped to the atomic64_* variants. Acked-by: Mathieu Desnoyers Signed-off-by: Heiko Carstens Acked-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-generic/atomic.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index 7abdaa91ccd3..3673a13b6703 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -132,9 +132,9 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) #define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l)) #define atomic_long_cmpxchg(l, old, new) \ - (atomic_cmpxchg((atomic64_t *)(l), (old), (new))) + (atomic64_cmpxchg((atomic64_t *)(l), (old), (new))) #define atomic_long_xchg(v, new) \ - (atomic_xchg((atomic64_t *)(l), (new))) + (atomic64_xchg((atomic64_t *)(l), (new))) #else /* BITS_PER_LONG == 64 */ From b827e496c893de0c0f142abfaeb8730a2fd6b37f Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Thu, 30 Apr 2009 15:08:16 -0700 Subject: [PATCH 373/478] mm: close page_mkwrite races Change page_mkwrite to allow implementations to return with the page locked, and also change it's callers (in page fault paths) to hold the lock until the page is marked dirty. This allows the filesystem to have full control of page dirtying events coming from the VM. Rather than simply hold the page locked over the page_mkwrite call, we call page_mkwrite with the page unlocked and allow callers to return with it locked, so filesystems can avoid LOR conditions with page lock. The problem with the current scheme is this: a filesystem that wants to associate some metadata with a page as long as the page is dirty, will perform this manipulation in its ->page_mkwrite. It currently then must return with the page unlocked and may not hold any other locks (according to existing page_mkwrite convention). In this window, the VM could write out the page, clearing page-dirty. The filesystem has no good way to detect that a dirty pte is about to be attached, so it will happily write out the page, at which point, the filesystem may manipulate the metadata to reflect that the page is no longer dirty. It is not always possible to perform the required metadata manipulation in ->set_page_dirty, because that function cannot block or fail. The filesystem may need to allocate some data structure, for example. And the VM cannot mark the pte dirty before page_mkwrite, because page_mkwrite is allowed to fail, so we must not allow any window where the page could be written to if page_mkwrite does fail. This solution of holding the page locked over the 3 critical operations (page_mkwrite, setting the pte dirty, and finally setting the page dirty) closes out races nicely, preventing page cleaning for writeout being initiated in that window. This provides the filesystem with a strong synchronisation against the VM here. - Sage needs this race closed for ceph filesystem. - Trond for NFS (http://bugzilla.kernel.org/show_bug.cgi?id=12913). - I need it for fsblock. - I suspect other filesystems may need it too (eg. btrfs). - I have converted buffer.c to the new locking. Even simple block allocation under dirty pages might be susceptible to i_size changing under partial page at the end of file (we also have a buffer.c-side problem here, but it cannot be fixed properly without this patch). - Other filesystems (eg. NFS, maybe btrfs) will need to change their page_mkwrite functions themselves. [ This also moves page_mkwrite another step closer to fault, which should eventually allow page_mkwrite to be moved into ->fault, and thus avoiding a filesystem calldown and page lock/unlock cycle in __do_fault. ] [akpm@linux-foundation.org: fix derefs of NULL ->mapping] Cc: Sage Weil Cc: Trond Myklebust Signed-off-by: Nick Piggin Cc: Valdis Kletnieks Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/filesystems/Locking | 24 ++++--- fs/buffer.c | 10 +-- mm/memory.c | 108 +++++++++++++++++++++--------- 3 files changed, 98 insertions(+), 44 deletions(-) diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 76efe5b71d7d..3120f8dd2c31 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -512,16 +512,24 @@ locking rules: BKL mmap_sem PageLocked(page) open: no yes close: no yes -fault: no yes -page_mkwrite: no yes no +fault: no yes can return with page locked +page_mkwrite: no yes can return with page locked access: no yes - ->page_mkwrite() is called when a previously read-only page is -about to become writeable. The file system is responsible for -protecting against truncate races. Once appropriate action has been -taking to lock out truncate, the page range should be verified to be -within i_size. The page mapping should also be checked that it is not -NULL. + ->fault() is called when a previously not present pte is about +to be faulted in. The filesystem must find and return the page associated +with the passed in "pgoff" in the vm_fault structure. If it is possible that +the page may be truncated and/or invalidated, then the filesystem must lock +the page, then ensure it is not already truncated (the page lock will block +subsequent truncate), and then return with VM_FAULT_LOCKED, and the page +locked. The VM will unlock the page. + + ->page_mkwrite() is called when a previously read-only pte is +about to become writeable. The filesystem again must ensure that there are +no truncate/invalidate races, and then return with the page locked. If +the page has been truncated, the filesystem should not look up a new page +like the ->fault() handler, but simply return with VM_FAULT_NOPAGE, which +will cause the VM to retry the fault. ->access() is called when get_user_pages() fails in acces_process_vm(), typically used to debug a process through diff --git a/fs/buffer.c b/fs/buffer.c index b3e5be7514f5..aed297739eb0 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2397,7 +2397,8 @@ block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, if ((page->mapping != inode->i_mapping) || (page_offset(page) > size)) { /* page got truncated out from underneath us */ - goto out_unlock; + unlock_page(page); + goto out; } /* page is wholly or partially inside EOF */ @@ -2411,14 +2412,15 @@ block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, ret = block_commit_write(page, 0, end); if (unlikely(ret)) { + unlock_page(page); if (ret == -ENOMEM) ret = VM_FAULT_OOM; else /* -ENOSPC, -EIO, etc */ ret = VM_FAULT_SIGBUS; - } + } else + ret = VM_FAULT_LOCKED; -out_unlock: - unlock_page(page); +out: return ret; } diff --git a/mm/memory.c b/mm/memory.c index 6a4ef0fd0711..4126dd16778c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1971,6 +1971,15 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, ret = tmp; goto unwritable_page; } + if (unlikely(!(tmp & VM_FAULT_LOCKED))) { + lock_page(old_page); + if (!old_page->mapping) { + ret = 0; /* retry the fault */ + unlock_page(old_page); + goto unwritable_page; + } + } else + VM_BUG_ON(!PageLocked(old_page)); /* * Since we dropped the lock we need to revalidate @@ -1980,9 +1989,11 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, */ page_table = pte_offset_map_lock(mm, pmd, address, &ptl); - page_cache_release(old_page); - if (!pte_same(*page_table, orig_pte)) + if (!pte_same(*page_table, orig_pte)) { + unlock_page(old_page); + page_cache_release(old_page); goto unlock; + } page_mkwrite = 1; } @@ -2094,9 +2105,6 @@ gotten: unlock: pte_unmap_unlock(page_table, ptl); if (dirty_page) { - if (vma->vm_file) - file_update_time(vma->vm_file); - /* * Yes, Virginia, this is actually required to prevent a race * with clear_page_dirty_for_io() from clearing the page dirty @@ -2105,16 +2113,41 @@ unlock: * * do_no_page is protected similarly. */ - wait_on_page_locked(dirty_page); - set_page_dirty_balance(dirty_page, page_mkwrite); + if (!page_mkwrite) { + wait_on_page_locked(dirty_page); + set_page_dirty_balance(dirty_page, page_mkwrite); + } put_page(dirty_page); + if (page_mkwrite) { + struct address_space *mapping = dirty_page->mapping; + + set_page_dirty(dirty_page); + unlock_page(dirty_page); + page_cache_release(dirty_page); + if (mapping) { + /* + * Some device drivers do not set page.mapping + * but still dirty their pages + */ + balance_dirty_pages_ratelimited(mapping); + } + } + + /* file_update_time outside page_lock */ + if (vma->vm_file) + file_update_time(vma->vm_file); } return ret; oom_free_new: page_cache_release(new_page); oom: - if (old_page) + if (old_page) { + if (page_mkwrite) { + unlock_page(old_page); + page_cache_release(old_page); + } page_cache_release(old_page); + } return VM_FAULT_OOM; unwritable_page: @@ -2664,27 +2697,22 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, int tmp; unlock_page(page); - vmf.flags |= FAULT_FLAG_MKWRITE; + vmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE; tmp = vma->vm_ops->page_mkwrite(vma, &vmf); if (unlikely(tmp & (VM_FAULT_ERROR | VM_FAULT_NOPAGE))) { ret = tmp; - anon = 1; /* no anon but release vmf.page */ - goto out_unlocked; - } - lock_page(page); - /* - * XXX: this is not quite right (racy vs - * invalidate) to unlock and relock the page - * like this, however a better fix requires - * reworking page_mkwrite locking API, which - * is better done later. - */ - if (!page->mapping) { - ret = 0; - anon = 1; /* no anon but release vmf.page */ - goto out; + goto unwritable_page; } + if (unlikely(!(tmp & VM_FAULT_LOCKED))) { + lock_page(page); + if (!page->mapping) { + ret = 0; /* retry the fault */ + unlock_page(page); + goto unwritable_page; + } + } else + VM_BUG_ON(!PageLocked(page)); page_mkwrite = 1; } } @@ -2736,19 +2764,35 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, pte_unmap_unlock(page_table, ptl); out: - unlock_page(vmf.page); -out_unlocked: - if (anon) - page_cache_release(vmf.page); - else if (dirty_page) { + if (dirty_page) { + struct address_space *mapping = page->mapping; + + if (set_page_dirty(dirty_page)) + page_mkwrite = 1; + unlock_page(dirty_page); + put_page(dirty_page); + if (page_mkwrite && mapping) { + /* + * Some device drivers do not set page.mapping but still + * dirty their pages + */ + balance_dirty_pages_ratelimited(mapping); + } + + /* file_update_time outside page_lock */ if (vma->vm_file) file_update_time(vma->vm_file); - - set_page_dirty_balance(dirty_page, page_mkwrite); - put_page(dirty_page); + } else { + unlock_page(vmf.page); + if (anon) + page_cache_release(vmf.page); } return ret; + +unwritable_page: + page_cache_release(page); + return ret; } static int do_linear_fault(struct mm_struct *mm, struct vm_area_struct *vma, From 0816178638c15ce5472d39d771a96860dff4141a Mon Sep 17 00:00:00 2001 From: Vitaly Mayatskikh Date: Thu, 30 Apr 2009 15:08:18 -0700 Subject: [PATCH 374/478] pagemap: require aligned-length, non-null reads of /proc/pid/pagemap The intention of commit aae8679b0ebcaa92f99c1c3cb0cd651594a43915 ("pagemap: fix bug in add_to_pagemap, require aligned-length reads of /proc/pid/pagemap") was to force reads of /proc/pid/pagemap to be a multiple of 8 bytes, but now it allows to read 0 bytes, which actually puts some data to user's buffer. According to POSIX, if count is zero, read() should return zero and has no other results. Signed-off-by: Vitaly Mayatskikh Cc: Thomas Tuttle Acked-by: Matt Mackall Cc: Alexey Dobriyan Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/task_mmu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 39e4ad4f59f4..6f61b7cc32e0 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -665,6 +665,10 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, goto out_task; ret = 0; + + if (!count) + goto out_task; + mm = get_task_mm(task); if (!mm) goto out_task; From ae3abae64f177586be55b04a7fb7047a34b21a3e Mon Sep 17 00:00:00 2001 From: Daisuke Nishimura Date: Thu, 30 Apr 2009 15:08:19 -0700 Subject: [PATCH 375/478] memcg: fix mem_cgroup_shrink_usage() Current mem_cgroup_shrink_usage() has two problems. 1. It doesn't call mem_cgroup_out_of_memory and doesn't update last_oom_jiffies, so pagefault_out_of_memory invokes global OOM. 2. Considering hierarchy, shrinking has to be done from the mem_over_limit, not from the memcg which the page would be charged to. mem_cgroup_try_charge_swapin() does all of these things properly, so we use it and call cancel_charge_swapin when it succeeded. The name of "shrink_usage" is not appropriate for this behavior, so we change it too. Signed-off-by: Daisuke Nishimura Acked-by: KAMEZAWA Hiroyuki Cc: Li Zefan Cc: Paul Menage Cc: Dhaval Giani Cc: Daisuke Nishimura Cc: YAMAMOTO Takashi Cc: KOSAKI Motohiro Cc: David Rientjes Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/memcontrol.h | 4 ++-- mm/memcontrol.c | 33 ++++++++++++--------------------- mm/shmem.c | 8 ++++++-- 3 files changed, 20 insertions(+), 25 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index a9e3b76aa884..25b9ca93d232 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -56,7 +56,7 @@ extern void mem_cgroup_move_lists(struct page *page, enum lru_list from, enum lru_list to); extern void mem_cgroup_uncharge_page(struct page *page); extern void mem_cgroup_uncharge_cache_page(struct page *page); -extern int mem_cgroup_shrink_usage(struct page *page, +extern int mem_cgroup_shmem_charge_fallback(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, @@ -155,7 +155,7 @@ static inline void mem_cgroup_uncharge_cache_page(struct page *page) { } -static inline int mem_cgroup_shrink_usage(struct page *page, +static inline int mem_cgroup_shmem_charge_fallback(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { return 0; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 575203ae2109..01c2d8f14685 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1617,37 +1617,28 @@ void mem_cgroup_end_migration(struct mem_cgroup *mem, } /* - * A call to try to shrink memory usage under specified resource controller. - * This is typically used for page reclaiming for shmem for reducing side - * effect of page allocation from shmem, which is used by some mem_cgroup. + * A call to try to shrink memory usage on charge failure at shmem's swapin. + * Calling hierarchical_reclaim is not enough because we should update + * last_oom_jiffies to prevent pagefault_out_of_memory from invoking global OOM. + * Moreover considering hierarchy, we should reclaim from the mem_over_limit, + * not from the memcg which this page would be charged to. + * try_charge_swapin does all of these works properly. */ -int mem_cgroup_shrink_usage(struct page *page, +int mem_cgroup_shmem_charge_fallback(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { struct mem_cgroup *mem = NULL; - int progress = 0; - int retry = MEM_CGROUP_RECLAIM_RETRIES; + int ret; if (mem_cgroup_disabled()) return 0; - if (page) - mem = try_get_mem_cgroup_from_swapcache(page); - if (!mem && mm) - mem = try_get_mem_cgroup_from_mm(mm); - if (unlikely(!mem)) - return 0; - do { - progress = mem_cgroup_hierarchical_reclaim(mem, - gfp_mask, true, false); - progress += mem_cgroup_check_under_limit(mem); - } while (!progress && --retry); + ret = mem_cgroup_try_charge_swapin(mm, page, gfp_mask, &mem); + if (!ret) + mem_cgroup_cancel_charge_swapin(mem); /* it does !mem check */ - css_put(&mem->css); - if (!retry) - return -ENOMEM; - return 0; + return ret; } static DEFINE_MUTEX(set_limit_mutex); diff --git a/mm/shmem.c b/mm/shmem.c index f9cb20ebb990..b25f95ce3db7 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1340,8 +1340,12 @@ repeat: shmem_swp_unmap(entry); spin_unlock(&info->lock); if (error == -ENOMEM) { - /* allow reclaim from this memory cgroup */ - error = mem_cgroup_shrink_usage(swappage, + /* + * reclaim from proper memory cgroup and + * call memcg's OOM if needed. + */ + error = mem_cgroup_shmem_charge_fallback( + swappage, current->mm, gfp); if (error) { From b175dc09285b36200a83b78baf167905181fb4e5 Mon Sep 17 00:00:00 2001 From: Stefan Bader Date: Thu, 30 Apr 2009 15:08:44 -0700 Subject: [PATCH 376/478] vgacon: return the upper half of 512 character fonts Uwe Geuder noted that he gets random bitmaps on a text console if he tried to type extended characters (like the e acute). For him everything above unicode 0xa0 was corrupted. After some digging there seems to be a little culprit in vgacon since the beginning of ages (well git). The function vgacon_font_get will store the number of characters correctly in font->charcount but then calls to vgacon_do_font_op(..., 0, 0). Which means only the lower 256 characters are actually stored to the fontdata. The rest is left untouched. So the next time that saved data is used, the garbled font appears. This happens on every switch between text consoles. Addresses https://bugs.launchpad.net/ubuntu/+source/linux/+bug/355057 Signed-off-by: Stefan Bader Tested-by: Uwe Geuder Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/console/vgacon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index d012edda6d11..38e86b84dce0 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -1282,7 +1282,7 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font) font->charcount = vga_512_chars ? 512 : 256; if (!font->data) return 0; - return vgacon_do_font_op(&state, font->data, 0, 0); + return vgacon_do_font_op(&state, font->data, 0, vga_512_chars); } #else From 1ffb1c0c64b4a2b75eed1f63cc47f2beb711c92f Mon Sep 17 00:00:00 2001 From: Ivan Kokshaysky Date: Thu, 30 Apr 2009 15:08:45 -0700 Subject: [PATCH 377/478] alpha: titan and marvel build fixes These platforms got broken after u64 => 'long long' conversion. Apparently that change was compile-tested with 'make allmodconfig', but it doesn't include systems that depend on !ALPHA_LEGACY_START_ADDRESS. Signed-off-by: Ivan Kokshaysky Cc: Al Viro Cc: Richard Henderson Signed-off-by: Linus Torvalds --- arch/alpha/kernel/err_ev6.c | 2 +- arch/alpha/kernel/err_ev7.c | 4 ++-- arch/alpha/kernel/err_impl.h | 10 +++++----- arch/alpha/kernel/err_marvel.c | 2 +- arch/alpha/kernel/err_titan.c | 4 ++-- arch/alpha/kernel/proto.h | 5 ++--- 6 files changed, 13 insertions(+), 14 deletions(-) diff --git a/arch/alpha/kernel/err_ev6.c b/arch/alpha/kernel/err_ev6.c index 985e5c1681ac..8ca6345bf131 100644 --- a/arch/alpha/kernel/err_ev6.c +++ b/arch/alpha/kernel/err_ev6.c @@ -229,7 +229,7 @@ ev6_process_logout_frame(struct el_common *mchk_header, int print) } void -ev6_machine_check(u64 vector, u64 la_ptr) +ev6_machine_check(unsigned long vector, unsigned long la_ptr) { struct el_common *mchk_header = (struct el_common *)la_ptr; diff --git a/arch/alpha/kernel/err_ev7.c b/arch/alpha/kernel/err_ev7.c index 73770c6ca013..d738a67112d4 100644 --- a/arch/alpha/kernel/err_ev7.c +++ b/arch/alpha/kernel/err_ev7.c @@ -117,7 +117,7 @@ ev7_collect_logout_frame_subpackets(struct el_subpacket *el_ptr, } void -ev7_machine_check(u64 vector, u64 la_ptr) +ev7_machine_check(unsigned long vector, unsigned long la_ptr) { struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr; char *saved_err_prefix = err_print_prefix; @@ -246,7 +246,7 @@ ev7_process_pal_subpacket(struct el_subpacket *header) switch(header->type) { case EL_TYPE__PAL__LOGOUT_FRAME: - printk("%s*** MCHK occurred on LPID %ld (RBOX %llx)\n", + printk("%s*** MCHK occurred on LPID %lld (RBOX %llx)\n", err_print_prefix, packet->by_type.logout.whami, packet->by_type.logout.rbox_whami); diff --git a/arch/alpha/kernel/err_impl.h b/arch/alpha/kernel/err_impl.h index 3c12258158e6..0c010ca4611e 100644 --- a/arch/alpha/kernel/err_impl.h +++ b/arch/alpha/kernel/err_impl.h @@ -60,26 +60,26 @@ extern struct ev7_lf_subpackets * ev7_collect_logout_frame_subpackets(struct el_subpacket *, struct ev7_lf_subpackets *); extern void ev7_register_error_handlers(void); -extern void ev7_machine_check(u64, u64); +extern void ev7_machine_check(unsigned long, unsigned long); /* * err_ev6.c */ extern void ev6_register_error_handlers(void); extern int ev6_process_logout_frame(struct el_common *, int); -extern void ev6_machine_check(u64, u64); +extern void ev6_machine_check(unsigned long, unsigned long); /* * err_marvel.c */ -extern void marvel_machine_check(u64, u64); +extern void marvel_machine_check(unsigned long, unsigned long); extern void marvel_register_error_handlers(void); /* * err_titan.c */ extern int titan_process_logout_frame(struct el_common *, int); -extern void titan_machine_check(u64, u64); +extern void titan_machine_check(unsigned long, unsigned long); extern void titan_register_error_handlers(void); extern int privateer_process_logout_frame(struct el_common *, int); -extern void privateer_machine_check(u64, u64); +extern void privateer_machine_check(unsigned long, unsigned long); diff --git a/arch/alpha/kernel/err_marvel.c b/arch/alpha/kernel/err_marvel.c index 6bfd243efba3..52a79dfc13c6 100644 --- a/arch/alpha/kernel/err_marvel.c +++ b/arch/alpha/kernel/err_marvel.c @@ -1042,7 +1042,7 @@ marvel_process_logout_frame(struct ev7_lf_subpackets *lf_subpackets, int print) } void -marvel_machine_check(u64 vector, u64 la_ptr) +marvel_machine_check(unsigned long vector, unsigned long la_ptr) { struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr; int (*process_frame)(struct ev7_lf_subpackets *, int) = NULL; diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c index c7e28a88d6e3..f7ed97ce0dfd 100644 --- a/arch/alpha/kernel/err_titan.c +++ b/arch/alpha/kernel/err_titan.c @@ -380,7 +380,7 @@ titan_process_logout_frame(struct el_common *mchk_header, int print) } void -titan_machine_check(u64 vector, u64 la_ptr) +titan_machine_check(unsigned long vector, unsigned long la_ptr) { struct el_common *mchk_header = (struct el_common *)la_ptr; struct el_TITAN_sysdata_mcheck *tmchk = @@ -702,7 +702,7 @@ privateer_process_logout_frame(struct el_common *mchk_header, int print) } void -privateer_machine_check(u64 vector, u64 la_ptr) +privateer_machine_check(unsigned long vector, unsigned long la_ptr) { struct el_common *mchk_header = (struct el_common *)la_ptr; struct el_TITAN_sysdata_mcheck *tmchk = diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h index 567f2598d090..3d2627ec9860 100644 --- a/arch/alpha/kernel/proto.h +++ b/arch/alpha/kernel/proto.h @@ -36,7 +36,6 @@ extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); extern struct pci_ops irongate_pci_ops; extern int irongate_pci_clr_err(void); extern void irongate_init_arch(void); -extern void irongate_machine_check(u64, u64); #define irongate_pci_tbi ((void *)0) /* core_lca.c */ @@ -49,7 +48,7 @@ extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); extern struct pci_ops marvel_pci_ops; extern void marvel_init_arch(void); extern void marvel_kill_arch(int); -extern void marvel_machine_check(u64, u64); +extern void marvel_machine_check(unsigned long, unsigned long); extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); extern int marvel_pa_to_nid(unsigned long); extern int marvel_cpuid_to_nid(int); @@ -86,7 +85,7 @@ extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); extern struct pci_ops titan_pci_ops; extern void titan_init_arch(void); extern void titan_kill_arch(int); -extern void titan_machine_check(u64, u64); +extern void titan_machine_check(unsigned long, unsigned long); extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); extern struct _alpha_agp_info *titan_agp_info(void); From 08a42e86bce511b45ca3eee40f51674b02a777d1 Mon Sep 17 00:00:00 2001 From: Ivan Kokshaysky Date: Thu, 30 Apr 2009 15:08:47 -0700 Subject: [PATCH 378/478] alpha: exception table sorting Exception fixups for sections other than .text (like one in futex_init()) break the natural ordering of fixup entries, so sorting is required. Without that the result of the exception table search depends on phase of the moon. Signed-off-by: Ivan Kokshaysky Cc: Al Viro Cc: Richard Henderson Signed-off-by: Linus Torvalds --- arch/alpha/include/asm/uaccess.h | 2 ++ arch/alpha/mm/extable.c | 40 +++++++++++++++++++++++++++++++- 2 files changed, 41 insertions(+), 1 deletion(-) diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index 163f3053001c..b49ec2f8d6e3 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -507,5 +507,7 @@ struct exception_table_entry (pc) + (_fixup)->fixup.bits.nextinsn; \ }) +#define ARCH_HAS_SORT_EXTABLE +#define ARCH_HAS_SEARCH_EXTABLE #endif /* __ALPHA_UACCESS_H */ diff --git a/arch/alpha/mm/extable.c b/arch/alpha/mm/extable.c index dc7aeda15773..62dc379d301a 100644 --- a/arch/alpha/mm/extable.c +++ b/arch/alpha/mm/extable.c @@ -3,11 +3,49 @@ */ #include +#include #include +static inline unsigned long ex_to_addr(const struct exception_table_entry *x) +{ + return (unsigned long)&x->insn + x->insn; +} + +static void swap_ex(void *a, void *b, int size) +{ + struct exception_table_entry *ex_a = a, *ex_b = b; + unsigned long addr_a = ex_to_addr(ex_a), addr_b = ex_to_addr(ex_b); + unsigned int t = ex_a->fixup.unit; + + ex_a->fixup.unit = ex_b->fixup.unit; + ex_b->fixup.unit = t; + ex_a->insn = (int)(addr_b - (unsigned long)&ex_a->insn); + ex_b->insn = (int)(addr_a - (unsigned long)&ex_b->insn); +} + +/* + * The exception table needs to be sorted so that the binary + * search that we use to find entries in it works properly. + * This is used both for the kernel exception table and for + * the exception tables of modules that get loaded. + */ +static int cmp_ex(const void *a, const void *b) +{ + const struct exception_table_entry *x = a, *y = b; + + /* avoid overflow */ + if (ex_to_addr(x) > ex_to_addr(y)) + return 1; + if (ex_to_addr(x) < ex_to_addr(y)) + return -1; + return 0; +} + void sort_extable(struct exception_table_entry *start, struct exception_table_entry *finish) { + sort(start, finish - start, sizeof(struct exception_table_entry), + cmp_ex, swap_ex); } const struct exception_table_entry * @@ -20,7 +58,7 @@ search_extable(const struct exception_table_entry *first, unsigned long mid_value; mid = (last - first) / 2 + first; - mid_value = (unsigned long)&mid->insn + mid->insn; + mid_value = ex_to_addr(mid); if (mid_value == value) return mid; else if (mid_value < value) From 77b4cf5cb0c9d6010a18030a0e0a8d2aaf6b43ec Mon Sep 17 00:00:00 2001 From: Ivan Kokshaysky Date: Thu, 30 Apr 2009 15:08:48 -0700 Subject: [PATCH 379/478] alpha: futex implementation Signed-off-by: Ivan Kokshaysky Cc: Al Viro Cc: Richard Henderson Signed-off-by: Linus Torvalds --- arch/alpha/include/asm/barrier.h | 2 + arch/alpha/include/asm/futex.h | 118 +++++++++++++++++++++++++++++-- 2 files changed, 116 insertions(+), 4 deletions(-) diff --git a/arch/alpha/include/asm/barrier.h b/arch/alpha/include/asm/barrier.h index ac78eba909bc..ce8860a0b32d 100644 --- a/arch/alpha/include/asm/barrier.h +++ b/arch/alpha/include/asm/barrier.h @@ -16,11 +16,13 @@ __asm__ __volatile__("wmb": : :"memory") __asm__ __volatile__("mb": : :"memory") #ifdef CONFIG_SMP +#define __ASM_SMP_MB "\tmb\n" #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() #define smp_read_barrier_depends() read_barrier_depends() #else +#define __ASM_SMP_MB #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h index 6a332a9f099c..945de222ab91 100644 --- a/arch/alpha/include/asm/futex.h +++ b/arch/alpha/include/asm/futex.h @@ -1,6 +1,116 @@ -#ifndef _ASM_FUTEX_H -#define _ASM_FUTEX_H +#ifndef _ASM_ALPHA_FUTEX_H +#define _ASM_ALPHA_FUTEX_H -#include +#ifdef __KERNEL__ -#endif +#include +#include +#include +#include + +#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ + __asm__ __volatile__( \ + __ASM_SMP_MB \ + "1: ldl_l %0,0(%2)\n" \ + insn \ + "2: stl_c %1,0(%2)\n" \ + " beq %1,4f\n" \ + " mov $31,%1\n" \ + "3: .subsection 2\n" \ + "4: br 1b\n" \ + " .previous\n" \ + " .section __ex_table,\"a\"\n" \ + " .long 1b-.\n" \ + " lda $31,3b-1b(%1)\n" \ + " .long 2b-.\n" \ + " lda $31,3b-2b(%1)\n" \ + " .previous\n" \ + : "=&r" (oldval), "=&r"(ret) \ + : "r" (uaddr), "r"(oparg) \ + : "memory") + +static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, ret; + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + pagefault_disable(); + + switch (op) { + case FUTEX_OP_SET: + __futex_atomic_op("mov %3,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ADD: + __futex_atomic_op("addl %0,%3,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_OR: + __futex_atomic_op("or %0,%3,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ANDN: + __futex_atomic_op("andnot %0,%3,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_XOR: + __futex_atomic_op("xor %0,%3,%1\n", ret, oldval, uaddr, oparg); + break; + default: + ret = -ENOSYS; + } + + pagefault_enable(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; + } + } + return ret; +} + +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + int prev, cmp; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + __asm__ __volatile__ ( + __ASM_SMP_MB + "1: ldl_l %0,0(%2)\n" + " cmpeq %0,%3,%1\n" + " beq %1,3f\n" + " mov %4,%1\n" + "2: stl_c %1,0(%2)\n" + " beq %1,4f\n" + "3: .subsection 2\n" + "4: br 1b\n" + " .previous\n" + " .section __ex_table,\"a\"\n" + " .long 1b-.\n" + " lda $31,3b-1b(%0)\n" + " .long 2b-.\n" + " lda $31,3b-2b(%0)\n" + " .previous\n" + : "=&r"(prev), "=&r"(cmp) + : "r"(uaddr), "r"((long)oldval), "r"(newval) + : "memory"); + + return prev; +} + +#endif /* __KERNEL__ */ +#endif /* _ASM_ALPHA_FUTEX_H */ From 74641f584da8eccf30becfbb5507ab457187db22 Mon Sep 17 00:00:00 2001 From: Ivan Kokshaysky Date: Thu, 30 Apr 2009 15:08:49 -0700 Subject: [PATCH 380/478] alpha: binfmt_aout fix This fixes the problem introduced by commit 3bfacef412 (get rid of special-casing the /sbin/loader on alpha): osf/1 ecoff binary segfaults when binfmt_aout built as module. That happens because aout binary handler gets on the top of the binfmt list due to late registration, and kernel attempts to execute the binary without preparatory work that must be done by binfmt_loader. Fixed by changing the registration order of the default binfmt handlers using list_add_tail() and introducing insert_binfmt() function which places new handler on the top of the binfmt list. This might be generally useful for installing arch-specific frontends for default handlers or just for overriding them. Signed-off-by: Ivan Kokshaysky Cc: Al Viro Cc: Richard Henderson Signed-off-by: Linus Torvalds --- arch/alpha/kernel/Makefile | 6 +++++- arch/alpha/kernel/binfmt_loader.c | 2 +- fs/exec.c | 7 ++++--- include/linux/binfmts.h | 14 +++++++++++++- 4 files changed, 23 insertions(+), 6 deletions(-) diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile index a427538252f8..7739a62440a7 100644 --- a/arch/alpha/kernel/Makefile +++ b/arch/alpha/kernel/Makefile @@ -8,7 +8,7 @@ EXTRA_CFLAGS := -Werror -Wno-sign-compare obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \ irq_alpha.o signal.o setup.o ptrace.o time.o \ - alpha_ksyms.o systbls.o err_common.o io.o binfmt_loader.o + alpha_ksyms.o systbls.o err_common.o io.o obj-$(CONFIG_VGA_HOSE) += console.o obj-$(CONFIG_SMP) += smp.o @@ -43,6 +43,10 @@ else # Misc support obj-$(CONFIG_ALPHA_SRM) += srmcons.o +ifdef CONFIG_BINFMT_AOUT +obj-y += binfmt_loader.o +endif + # Core logic support obj-$(CONFIG_ALPHA_APECS) += core_apecs.o obj-$(CONFIG_ALPHA_CIA) += core_cia.o diff --git a/arch/alpha/kernel/binfmt_loader.c b/arch/alpha/kernel/binfmt_loader.c index 4a0af906b00a..3fcfad410130 100644 --- a/arch/alpha/kernel/binfmt_loader.c +++ b/arch/alpha/kernel/binfmt_loader.c @@ -46,6 +46,6 @@ static struct linux_binfmt loader_format = { static int __init init_loader_binfmt(void) { - return register_binfmt(&loader_format); + return insert_binfmt(&loader_format); } arch_initcall(init_loader_binfmt); diff --git a/fs/exec.c b/fs/exec.c index a3a8ce83940f..639177b0eeac 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -69,17 +69,18 @@ int suid_dumpable = 0; static LIST_HEAD(formats); static DEFINE_RWLOCK(binfmt_lock); -int register_binfmt(struct linux_binfmt * fmt) +int __register_binfmt(struct linux_binfmt * fmt, int insert) { if (!fmt) return -EINVAL; write_lock(&binfmt_lock); - list_add(&fmt->lh, &formats); + insert ? list_add(&fmt->lh, &formats) : + list_add_tail(&fmt->lh, &formats); write_unlock(&binfmt_lock); return 0; } -EXPORT_SYMBOL(register_binfmt); +EXPORT_SYMBOL(__register_binfmt); void unregister_binfmt(struct linux_binfmt * fmt) { diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 6638b8148de7..61ee18c1bdb4 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -82,7 +82,19 @@ struct linux_binfmt { int hasvdso; }; -extern int register_binfmt(struct linux_binfmt *); +extern int __register_binfmt(struct linux_binfmt *fmt, int insert); + +/* Registration of default binfmt handlers */ +static inline int register_binfmt(struct linux_binfmt *fmt) +{ + return __register_binfmt(fmt, 0); +} +/* Same as above, but adds a new binfmt at the top of the list */ +static inline int insert_binfmt(struct linux_binfmt *fmt) +{ + return __register_binfmt(fmt, 1); +} + extern void unregister_binfmt(struct linux_binfmt *); extern int prepare_binprm(struct linux_binprm *); From 0763ed2355198cdef2f6a2098e9d52eb1fe4365d Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Thu, 30 Apr 2009 15:08:50 -0700 Subject: [PATCH 381/478] of: make of_(un)register_platform_driver common code Some drivers using of_register_platform_driver() wrapper break on sparc because the wrapper isn't in the header file. This patch moves it from Microblaze and PowerPC implementations and makes it common code. Fixes this sparc64 allmodconfig build error (at least): drivers/leds/leds-gpio.c: In function `gpio_led_init': drivers/leds/leds-gpio.c:295: error: implicit declaration of function `of_register_platform_driver' drivers/leds/leds-gpio.c: In function `gpio_led_exit': drivers/leds/leds-gpio.c:311: error: implicit declaration of function `of_unregister_platform_driver' Signed-off-by: Grant Likely Acked-by: David S. Miller Cc: Michal Simek Cc: Benjamin Herrenschmidt Cc: Stephen Rothwell Cc: Richard Purdie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/microblaze/include/asm/of_platform.h | 10 ---------- arch/powerpc/include/asm/of_platform.h | 10 ---------- include/linux/of_platform.h | 10 ++++++++++ 3 files changed, 10 insertions(+), 20 deletions(-) diff --git a/arch/microblaze/include/asm/of_platform.h b/arch/microblaze/include/asm/of_platform.h index 187c0eedaece..37491276c6ca 100644 --- a/arch/microblaze/include/asm/of_platform.h +++ b/arch/microblaze/include/asm/of_platform.h @@ -36,16 +36,6 @@ static const struct of_device_id of_default_bus_ids[] = { {}, }; -/* Platform drivers register/unregister */ -static inline int of_register_platform_driver(struct of_platform_driver *drv) -{ - return of_register_driver(drv, &of_platform_bus_type); -} -static inline void of_unregister_platform_driver(struct of_platform_driver *drv) -{ - of_unregister_driver(drv); -} - /* Platform devices and busses creation */ extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id, diff --git a/arch/powerpc/include/asm/of_platform.h b/arch/powerpc/include/asm/of_platform.h index 53b46507ffde..d4aaa3489440 100644 --- a/arch/powerpc/include/asm/of_platform.h +++ b/arch/powerpc/include/asm/of_platform.h @@ -11,16 +11,6 @@ * */ -/* Platform drivers register/unregister */ -static inline int of_register_platform_driver(struct of_platform_driver *drv) -{ - return of_register_driver(drv, &of_platform_bus_type); -} -static inline void of_unregister_platform_driver(struct of_platform_driver *drv) -{ - of_unregister_driver(drv); -} - /* Platform devices and busses creation */ extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id, diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index 3d327b67d7e2..908406651330 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -51,6 +51,16 @@ extern int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus); extern void of_unregister_driver(struct of_platform_driver *drv); +/* Platform drivers register/unregister */ +static inline int of_register_platform_driver(struct of_platform_driver *drv) +{ + return of_register_driver(drv, &of_platform_bus_type); +} +static inline void of_unregister_platform_driver(struct of_platform_driver *drv) +{ + of_unregister_driver(drv); +} + #include extern struct of_device *of_find_device_by_node(struct device_node *np); From 00a62ce91e554198ef28234c91c36f850f5a3bc9 Mon Sep 17 00:00:00 2001 From: KOSAKI Motohiro Date: Thu, 30 Apr 2009 15:08:51 -0700 Subject: [PATCH 382/478] mm: fix Committed_AS underflow on large NR_CPUS environment The Committed_AS field can underflow in certain situations: > # while true; do cat /proc/meminfo | grep _AS; sleep 1; done | uniq -c > 1 Committed_AS: 18446744073709323392 kB > 11 Committed_AS: 18446744073709455488 kB > 6 Committed_AS: 35136 kB > 5 Committed_AS: 18446744073709454400 kB > 7 Committed_AS: 35904 kB > 3 Committed_AS: 18446744073709453248 kB > 2 Committed_AS: 34752 kB > 9 Committed_AS: 18446744073709453248 kB > 8 Committed_AS: 34752 kB > 3 Committed_AS: 18446744073709320960 kB > 7 Committed_AS: 18446744073709454080 kB > 3 Committed_AS: 18446744073709320960 kB > 5 Committed_AS: 18446744073709454080 kB > 6 Committed_AS: 18446744073709320960 kB Because NR_CPUS can be greater than 1000 and meminfo_proc_show() does not check for underflow. But NR_CPUS proportional isn't good calculation. In general, possibility of lock contention is proportional to the number of online cpus, not theorical maximum cpus (NR_CPUS). The current kernel has generic percpu-counter stuff. using it is right way. it makes code simplify and percpu_counter_read_positive() don't make underflow issue. Reported-by: Dave Hansen Signed-off-by: KOSAKI Motohiro Cc: Eric B Munson Cc: Mel Gorman Cc: Christoph Lameter Cc: [All kernel versions] Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/meminfo.c | 2 +- include/linux/mman.h | 9 +++------ mm/mmap.c | 12 ++++++------ mm/nommu.c | 13 +++++++------ mm/swap.c | 46 -------------------------------------------- 5 files changed, 17 insertions(+), 65 deletions(-) diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 74ea974f5ca6..c6b0302af4c4 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -35,7 +35,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) #define K(x) ((x) << (PAGE_SHIFT - 10)) si_meminfo(&i); si_swapinfo(&i); - committed = atomic_long_read(&vm_committed_space); + committed = percpu_counter_read_positive(&vm_committed_as); allowed = ((totalram_pages - hugetlb_total_pages()) * sysctl_overcommit_ratio / 100) + total_swap_pages; diff --git a/include/linux/mman.h b/include/linux/mman.h index 30d1073bac3b..9872d6ca58ae 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -12,21 +12,18 @@ #ifdef __KERNEL__ #include +#include #include extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; -extern atomic_long_t vm_committed_space; +extern struct percpu_counter vm_committed_as; -#ifdef CONFIG_SMP -extern void vm_acct_memory(long pages); -#else static inline void vm_acct_memory(long pages) { - atomic_long_add(pages, &vm_committed_space); + percpu_counter_add(&vm_committed_as, pages); } -#endif static inline void vm_unacct_memory(long pages) { diff --git a/mm/mmap.c b/mm/mmap.c index 3303d1ba8e87..6b7b1a95944b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -85,7 +85,7 @@ EXPORT_SYMBOL(vm_get_page_prot); int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */ int sysctl_overcommit_ratio = 50; /* default is 50% */ int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT; -atomic_long_t vm_committed_space = ATOMIC_LONG_INIT(0); +struct percpu_counter vm_committed_as; /* * Check that a process has enough memory to allocate a new virtual @@ -179,11 +179,7 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin) if (mm) allowed -= mm->total_vm / 32; - /* - * cast `allowed' as a signed long because vm_committed_space - * sometimes has a negative value - */ - if (atomic_long_read(&vm_committed_space) < (long)allowed) + if (percpu_counter_read_positive(&vm_committed_as) < allowed) return 0; error: vm_unacct_memory(pages); @@ -2481,4 +2477,8 @@ void mm_drop_all_locks(struct mm_struct *mm) */ void __init mmap_init(void) { + int ret; + + ret = percpu_counter_init(&vm_committed_as, 0); + VM_BUG_ON(ret); } diff --git a/mm/nommu.c b/mm/nommu.c index 72eda4aee2cb..809998aa7b50 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -62,7 +62,7 @@ void *high_memory; struct page *mem_map; unsigned long max_mapnr; unsigned long num_physpages; -atomic_long_t vm_committed_space = ATOMIC_LONG_INIT(0); +struct percpu_counter vm_committed_as; int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */ int sysctl_overcommit_ratio = 50; /* default is 50% */ int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT; @@ -463,6 +463,10 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) */ void __init mmap_init(void) { + int ret; + + ret = percpu_counter_init(&vm_committed_as, 0); + VM_BUG_ON(ret); vm_region_jar = KMEM_CACHE(vm_region, SLAB_PANIC); } @@ -1847,12 +1851,9 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin) if (mm) allowed -= mm->total_vm / 32; - /* - * cast `allowed' as a signed long because vm_committed_space - * sometimes has a negative value - */ - if (atomic_long_read(&vm_committed_space) < (long)allowed) + if (percpu_counter_read_positive(&vm_committed_as) < allowed) return 0; + error: vm_unacct_memory(pages); diff --git a/mm/swap.c b/mm/swap.c index bede23ce64ea..cb29ae5d33ab 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -491,49 +491,6 @@ unsigned pagevec_lookup_tag(struct pagevec *pvec, struct address_space *mapping, EXPORT_SYMBOL(pagevec_lookup_tag); -#ifdef CONFIG_SMP -/* - * We tolerate a little inaccuracy to avoid ping-ponging the counter between - * CPUs - */ -#define ACCT_THRESHOLD max(16, NR_CPUS * 2) - -static DEFINE_PER_CPU(long, committed_space); - -void vm_acct_memory(long pages) -{ - long *local; - - preempt_disable(); - local = &__get_cpu_var(committed_space); - *local += pages; - if (*local > ACCT_THRESHOLD || *local < -ACCT_THRESHOLD) { - atomic_long_add(*local, &vm_committed_space); - *local = 0; - } - preempt_enable(); -} - -#ifdef CONFIG_HOTPLUG_CPU - -/* Drop the CPU's cached committed space back into the central pool. */ -static int cpu_swap_callback(struct notifier_block *nfb, - unsigned long action, - void *hcpu) -{ - long *committed; - - committed = &per_cpu(committed_space, (long)hcpu); - if (action == CPU_DEAD || action == CPU_DEAD_FROZEN) { - atomic_long_add(*committed, &vm_committed_space); - *committed = 0; - drain_cpu_pagevecs((long)hcpu); - } - return NOTIFY_OK; -} -#endif /* CONFIG_HOTPLUG_CPU */ -#endif /* CONFIG_SMP */ - /* * Perform any setup for the swap system */ @@ -554,7 +511,4 @@ void __init swap_setup(void) * Right now other parts of the system means that we * _really_ don't want to cluster much more */ -#ifdef CONFIG_HOTPLUG_CPU - hotcpu_notifier(cpu_swap_callback, 0); -#endif } From 52dc5aec9fe2eb591f1490278ae767448860118b Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Thu, 30 Apr 2009 15:08:53 -0700 Subject: [PATCH 383/478] kernel-doc: restrict syntax for private: and public: scripts/kernel-doc can (incorrectly) delete struct members that are surrounded by /* ... */ /* ... */ if there is a /* private: */ comment in there somewhere also. Fix that by making the "/* private:" only allow whitespace between /* and "private:", not anything/everything in the world. This fixes some erroneous kernel-doc warnings that popped up while processing include/linux/usb/composite.h. Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/kernel-doc-nano-HOWTO.txt | 7 +++++-- scripts/kernel-doc | 7 ++++--- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/Documentation/kernel-doc-nano-HOWTO.txt b/Documentation/kernel-doc-nano-HOWTO.txt index 026ec7d57384..4d04572b6549 100644 --- a/Documentation/kernel-doc-nano-HOWTO.txt +++ b/Documentation/kernel-doc-nano-HOWTO.txt @@ -269,7 +269,10 @@ Use the argument mechanism to document members or constants. Inside a struct description, you can use the "private:" and "public:" comment tags. Structure fields that are inside a "private:" area -are not listed in the generated output documentation. +are not listed in the generated output documentation. The "private:" +and "public:" tags must begin immediately following a "/*" comment +marker. They may optionally include comments between the ":" and the +ending "*/" marker. Example: @@ -283,7 +286,7 @@ Example: struct my_struct { int a; int b; -/* private: */ +/* private: internal use only */ int c; }; diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 0f11870116dc..3208a3a7e7fe 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1411,7 +1411,8 @@ sub dump_struct($$) { my $file = shift; my $nested; - if ($x =~/(struct|union)\s+(\w+)\s*{(.*)}/) { + if ($x =~ /(struct|union)\s+(\w+)\s*{(.*)}/) { + #my $decl_type = $1; $declaration_name = $2; my $members = $3; @@ -1420,8 +1421,8 @@ sub dump_struct($$) { $nested = $1; # ignore members marked private: - $members =~ s/\/\*.*?private:.*?public:.*?\*\///gos; - $members =~ s/\/\*.*?private:.*//gos; + $members =~ s/\/\*\s*private:.*?\/\*\s*public:.*?\*\///gos; + $members =~ s/\/\*\s*private:.*//gos; # strip comments: $members =~ s/\/\*.*?\*\///gos; $nested =~ s/\/\*.*?\*\///gos; From 0ae05fb254a5f2617fc8fcfff7be959b54a5e963 Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Thu, 30 Apr 2009 15:08:54 -0700 Subject: [PATCH 384/478] ptrace: s/parent/real_parent/ in binfmt_elf_fdpic.c ->real_parent is the parent. ->parent may be the tracer. Signed-off-by: Oleg Nesterov Acked-by: David Howells Acked-by: Roland McGrath Cc: Greg Ungerer Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/binfmt_elf_fdpic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 70cfc4b84ae0..fdb66faa24f1 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1388,7 +1388,7 @@ static void fill_prstatus(struct elf_prstatus *prstatus, prstatus->pr_sigpend = p->pending.signal.sig[0]; prstatus->pr_sighold = p->blocked.sig[0]; prstatus->pr_pid = task_pid_vnr(p); - prstatus->pr_ppid = task_pid_vnr(p->parent); + prstatus->pr_ppid = task_pid_vnr(p->real_parent); prstatus->pr_pgrp = task_pgrp_vnr(p); prstatus->pr_sid = task_session_vnr(p); if (thread_group_leader(p)) { @@ -1433,7 +1433,7 @@ static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p, psinfo->pr_psargs[len] = 0; psinfo->pr_pid = task_pid_vnr(p); - psinfo->pr_ppid = task_pid_vnr(p->parent); + psinfo->pr_ppid = task_pid_vnr(p->real_parent); psinfo->pr_pgrp = task_pgrp_vnr(p); psinfo->pr_sid = task_session_vnr(p); From 8713e01295140f674a41f2199b0f7ca99dfb69d5 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 30 Apr 2009 15:08:55 -0700 Subject: [PATCH 385/478] vmscan: avoid multiplication overflow in shrink_zone() Local variable `scan' can overflow on zones which are larger than (2G * 4k) / 100 = 80GB. Making it 64-bit on 64-bit will fix that up. Cc: KOSAKI Motohiro Cc: Wu Fengguang Cc: Peter Zijlstra Cc: Rik van Riel Cc: Lee Schermerhorn Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index eac9577941f9..5fa3eda1f03f 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1471,7 +1471,7 @@ static void shrink_zone(int priority, struct zone *zone, for_each_evictable_lru(l) { int file = is_file_lru(l); - int scan; + unsigned long scan; scan = zone_nr_pages(zone, sc, l); if (priority) { From 9e4a5bda89034502fb144331e71a0efdfd5fae97 Mon Sep 17 00:00:00 2001 From: Andrea Righi Date: Thu, 30 Apr 2009 15:08:57 -0700 Subject: [PATCH 386/478] mm: prevent divide error for small values of vm_dirty_bytes Avoid setting less than two pages for vm_dirty_bytes: this is necessary to avoid potential division by 0 (like the following) in get_dirty_limits(). [ 49.951610] divide error: 0000 [#1] PREEMPT SMP [ 49.952195] last sysfs file: /sys/devices/pci0000:00/0000:00:01.1/host0/target0:0:0/0:0:0:0/block/sda/uevent [ 49.952195] CPU 1 [ 49.952195] Modules linked in: pcspkr [ 49.952195] Pid: 3064, comm: dd Not tainted 2.6.30-rc3 #1 [ 49.952195] RIP: 0010:[] [] get_dirty_limits+0xe9/0x2c0 [ 49.952195] RSP: 0018:ffff88001de03a98 EFLAGS: 00010202 [ 49.952195] RAX: 00000000000000c0 RBX: ffff88001de03b80 RCX: 28f5c28f5c28f5c3 [ 49.952195] RDX: 0000000000000000 RSI: 00000000000000c0 RDI: 0000000000000000 [ 49.952195] RBP: ffff88001de03ae8 R08: 0000000000000000 R09: 0000000000000000 [ 49.952195] R10: ffff88001ddda9a0 R11: 0000000000000001 R12: 0000000000000001 [ 49.952195] R13: ffff88001fbc8218 R14: ffff88001de03b70 R15: ffff88001de03b78 [ 49.952195] FS: 00007fe9a435b6f0(0000) GS:ffff8800025d9000(0000) knlGS:0000000000000000 [ 49.952195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.952195] CR2: 00007fe9a39ab000 CR3: 000000001de38000 CR4: 00000000000006e0 [ 49.952195] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.952195] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 49.952195] Process dd (pid: 3064, threadinfo ffff88001de02000, task ffff88001ddda250) [ 49.952195] Stack: [ 49.952195] ffff88001fa0de00 ffff88001f2dbd70 ffff88001f9fe800 000080b900000000 [ 49.952195] 00000000000000c0 ffff8800027a6100 0000000000000400 ffff88001fbc8218 [ 49.952195] 0000000000000000 0000000000000600 ffff88001de03bb8 ffffffff802d3ed7 [ 49.952195] Call Trace: [ 49.952195] [] balance_dirty_pages_ratelimited_nr+0x1d7/0x3f0 [ 49.952195] [] ? ext3_writeback_write_end+0x9e/0x120 [ 49.952195] [] generic_file_buffered_write+0x12f/0x330 [ 49.952195] [] __generic_file_aio_write_nolock+0x26d/0x460 [ 49.952195] [] ? generic_file_aio_write+0x52/0xd0 [ 49.952195] [] generic_file_aio_write+0x69/0xd0 [ 49.952195] [] ext3_file_write+0x26/0xc0 [ 49.952195] [] do_sync_write+0xf1/0x140 [ 49.952195] [] ? get_lock_stats+0x2a/0x60 [ 49.952195] [] ? autoremove_wake_function+0x0/0x40 [ 49.952195] [] vfs_write+0xcb/0x190 [ 49.952195] [] sys_write+0x50/0x90 [ 49.952195] [] system_call_fastpath+0x16/0x1b [ 49.952195] Code: 00 00 00 2b 05 09 1c 17 01 48 89 c6 49 0f af f4 48 c1 ee 02 48 89 f0 48 f7 e1 48 89 d6 31 d2 48 c1 ee 02 48 0f af 75 d0 48 89 f0 <48> f7 f7 41 8b 95 ac 01 00 00 48 89 c7 49 0f af d4 48 c1 ea 02 [ 49.952195] RIP [] get_dirty_limits+0xe9/0x2c0 [ 49.952195] RSP [ 50.096523] ---[ end trace 008d7aa02f244d7b ]--- Signed-off-by: Andrea Righi Cc: Peter Zijlstra Cc: David Rientjes Cc: Dave Chinner Cc: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/sysctl/vm.txt | 4 ++++ kernel/sysctl.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 97c4b3284329..b716d33912d8 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -90,6 +90,10 @@ will itself start writeback. If dirty_bytes is written, dirty_ratio becomes a function of its value (dirty_bytes / the amount of dirtyable system memory). +Note: the minimum value allowed for dirty_bytes is two pages (in bytes); any +value lower than this limit will be ignored and the old configuration will be +retained. + ============================================================== dirty_expire_centisecs diff --git a/kernel/sysctl.c b/kernel/sysctl.c index e3d2c7dd59b9..ea78fa101ad6 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -103,6 +103,9 @@ static unsigned long one_ul = 1; static int one_hundred = 100; static int one_thousand = 1000; +/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ +static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; + /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; static int minolduid; @@ -1006,7 +1009,7 @@ static struct ctl_table vm_table[] = { .mode = 0644, .proc_handler = &dirty_bytes_handler, .strategy = &sysctl_intvec, - .extra1 = &one_ul, + .extra1 = &dirty_bytes_min, }, { .procname = "dirty_writeback_centisecs", From 65fd21058a791f35aff11eeccd2e270f0faf11ec Mon Sep 17 00:00:00 2001 From: Ashutosh Naik Date: Thu, 30 Apr 2009 15:08:58 -0700 Subject: [PATCH 387/478] ibft: fix the display of a few fields in the NIC attribute structure in sysfs Fix the display of a few fields in the iBFT NIC attribute structure in sysfs. Ensure that, if the DHCP IP address and the subnet mask for the interface is present in the iBFT NIC structure, the corresponding entries are created in sysfs tree for the device. This would hence create the additional entries in the tree based on the iBFT table and would not delete any existing entries. Signed-off-by: Ashutosh Naik Cc: Vishnu V Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/firmware/iscsi_ibft.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index 7b7ddc2d51c9..420a96e7f2db 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -754,11 +754,11 @@ static int __init ibft_check_nic_for(struct ibft_nic *nic, int entry) rc = 1; break; case ibft_eth_ip_addr: - if (!memcmp(nic->dhcp, nulls, sizeof(nic->dhcp))) + if (memcmp(nic->ip_addr, nulls, sizeof(nic->ip_addr))) rc = 1; break; case ibft_eth_subnet_mask: - if (!memcmp(nic->dhcp, nulls, sizeof(nic->dhcp))) + if (nic->subnet_mask_prefix) rc = 1; break; case ibft_eth_origin: From f75e6745aa3084124ae1434fd7629853bdaf6798 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 21 Apr 2009 17:18:20 -0400 Subject: [PATCH 388/478] SUNRPC: Fix the problem of EADDRNOTAVAIL syslog floods on reconnect See http://bugzilla.kernel.org/show_bug.cgi?id=13034 If the port gets into a TIME_WAIT state, then we cannot reconnect without binding to a new port. Tested-by: Petr Vandrovec Tested-by: Jean Delvare Signed-off-by: Trond Myklebust Signed-off-by: Linus Torvalds --- include/linux/sunrpc/xprt.h | 1 + net/sunrpc/xprt.c | 6 ++---- net/sunrpc/xprtsock.c | 26 +++++++++++++++++++++----- 3 files changed, 24 insertions(+), 9 deletions(-) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 1758d9f5b5c3..08afe43118f4 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -261,6 +261,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie); #define XPRT_BINDING (5) #define XPRT_CLOSING (6) #define XPRT_CONNECTION_ABORT (7) +#define XPRT_CONNECTION_CLOSE (8) static inline void xprt_set_connected(struct rpc_xprt *xprt) { diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index a0bfe53f1621..06ca058572f2 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -672,10 +672,8 @@ xprt_init_autodisconnect(unsigned long data) if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) goto out_abort; spin_unlock(&xprt->transport_lock); - if (xprt_connecting(xprt)) - xprt_release_write(xprt, NULL); - else - queue_work(rpciod_workqueue, &xprt->task_cleanup); + set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); + queue_work(rpciod_workqueue, &xprt->task_cleanup); return; out_abort: spin_unlock(&xprt->transport_lock); diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index d40ff50887aa..e18596146013 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -807,6 +807,9 @@ static void xs_reset_transport(struct sock_xprt *transport) * * This is used when all requests are complete; ie, no DRC state remains * on the server we want to save. + * + * The caller _must_ be holding XPRT_LOCKED in order to avoid issues with + * xs_reset_transport() zeroing the socket from underneath a writer. */ static void xs_close(struct rpc_xprt *xprt) { @@ -824,6 +827,14 @@ static void xs_close(struct rpc_xprt *xprt) xprt_disconnect_done(xprt); } +static void xs_tcp_close(struct rpc_xprt *xprt) +{ + if (test_and_clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state)) + xs_close(xprt); + else + xs_tcp_shutdown(xprt); +} + /** * xs_destroy - prepare to shutdown a transport * @xprt: doomed transport @@ -1772,6 +1783,15 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt, xprt, -status, xprt_connected(xprt), sock->sk->sk_state); switch (status) { + default: + printk("%s: connect returned unhandled error %d\n", + __func__, status); + case -EADDRNOTAVAIL: + /* We're probably in TIME_WAIT. Get rid of existing socket, + * and retry + */ + set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); + xprt_force_disconnect(xprt); case -ECONNREFUSED: case -ECONNRESET: case -ENETUNREACH: @@ -1782,10 +1802,6 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt, xprt_clear_connecting(xprt); return; } - /* get rid of existing socket, and retry */ - xs_tcp_shutdown(xprt); - printk("%s: connect returned unhandled error %d\n", - __func__, status); out_eagain: status = -EAGAIN; out: @@ -1994,7 +2010,7 @@ static struct rpc_xprt_ops xs_tcp_ops = { .buf_free = rpc_free, .send_request = xs_tcp_send_request, .set_retrans_timeout = xprt_set_retrans_timeout_def, - .close = xs_tcp_shutdown, + .close = xs_tcp_close, .destroy = xs_destroy, .print_stats = xs_tcp_print_stats, }; From 9fffb55f66127b52c937ede5196ebfa0c0d50bce Mon Sep 17 00:00:00 2001 From: David Gibson Date: Thu, 30 Apr 2009 15:25:53 +1000 Subject: [PATCH 389/478] Move dtc and libfdt sources from arch/powerpc/boot to scripts/dtc The powerpc kernel always requires an Open Firmware like device tree to supply device information. On systems without OF, this comes from a flattened device tree blob. This blob is usually generated by dtc, a tool which compiles a text description of the device tree into the flattened format used by the kernel. Sometimes, the bootwrapper makes small changes to the pre-compiled device tree blob (e.g. filling in the size of RAM). To do this it uses the libfdt library. Because these are only used on powerpc, the code for both these tools is included under arch/powerpc/boot (these were imported and are periodically updated from the upstream dtc tree). However, the microblaze architecture, currently being prepared for merging to mainline also uses dtc to produce device tree blobs. A few other archs have also mentioned some interest in using dtc. Therefore, this patch moves dtc and libfdt from arch/powerpc into scripts, where it can be used by any architecture. The vast bulk of this patch is a literal move, the rest is adjusting the various Makefiles to use dtc and libfdt correctly from their new locations. Signed-off-by: David Gibson Signed-off-by: Linus Torvalds --- arch/powerpc/Kconfig | 4 ++ arch/powerpc/boot/Makefile | 67 +++++++------------ arch/powerpc/boot/simpleboot.c | 2 +- scripts/Makefile | 1 + scripts/dtc/Makefile | 54 +++++++++++++++ .../boot/dtc-src => scripts/dtc}/Makefile.dtc | 0 .../boot/dtc-src => scripts/dtc}/checks.c | 0 .../boot/dtc-src => scripts/dtc}/data.c | 0 .../boot/dtc-src => scripts/dtc}/dtc-lexer.l | 0 .../dtc}/dtc-lexer.lex.c_shipped | 0 .../dtc}/dtc-parser.tab.c_shipped | 0 .../dtc}/dtc-parser.tab.h_shipped | 0 .../boot/dtc-src => scripts/dtc}/dtc-parser.y | 0 .../boot/dtc-src => scripts/dtc}/dtc.c | 0 .../boot/dtc-src => scripts/dtc}/dtc.h | 0 .../boot/dtc-src => scripts/dtc}/flattree.c | 0 .../boot/dtc-src => scripts/dtc}/fstree.c | 0 .../dtc}/libfdt/Makefile.libfdt | 0 .../powerpc/boot => scripts/dtc}/libfdt/fdt.c | 0 .../powerpc/boot => scripts/dtc}/libfdt/fdt.h | 0 .../boot => scripts/dtc}/libfdt/fdt_ro.c | 0 .../boot => scripts/dtc}/libfdt/fdt_rw.c | 0 .../dtc}/libfdt/fdt_strerror.c | 0 .../boot => scripts/dtc}/libfdt/fdt_sw.c | 0 .../boot => scripts/dtc}/libfdt/fdt_wip.c | 0 .../boot => scripts/dtc}/libfdt/libfdt.h | 0 .../dtc/libfdt}/libfdt_env.h | 0 .../dtc}/libfdt/libfdt_internal.h | 0 .../boot/dtc-src => scripts/dtc}/livetree.c | 0 .../boot/dtc-src => scripts/dtc}/srcpos.c | 0 .../boot/dtc-src => scripts/dtc}/srcpos.h | 0 .../boot/dtc-src => scripts/dtc}/treesource.c | 0 .../dtc-src => scripts/dtc}/version_gen.h | 0 33 files changed, 83 insertions(+), 45 deletions(-) create mode 100644 scripts/dtc/Makefile rename {arch/powerpc/boot/dtc-src => scripts/dtc}/Makefile.dtc (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/checks.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/data.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc-lexer.l (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc-lexer.lex.c_shipped (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc-parser.tab.c_shipped (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc-parser.tab.h_shipped (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc-parser.y (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/dtc.h (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/flattree.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/fstree.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/Makefile.libfdt (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt.h (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt_ro.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt_rw.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt_strerror.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt_sw.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/fdt_wip.c (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/libfdt.h (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc/libfdt}/libfdt_env.h (100%) rename {arch/powerpc/boot => scripts/dtc}/libfdt/libfdt_internal.h (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/livetree.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/srcpos.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/srcpos.h (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/treesource.c (100%) rename {arch/powerpc/boot/dtc-src => scripts/dtc}/version_gen.h (100%) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4c7804551362..a0d1146a0578 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -181,6 +181,10 @@ config SYS_SUPPORTS_APM_EMULATION default y if PMAC_APM_EMU bool +config DTC + bool + default y + config DEFAULT_UIMAGE bool help diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 4458abb67c51..8da2bf963b57 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -33,7 +33,7 @@ ifeq ($(call cc-option-yn, -fstack-protector),y) BOOTCFLAGS += -fno-stack-protector endif -BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) -I$(srctree)/$(src)/libfdt +BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) DTS_FLAGS ?= -p 1024 @@ -53,9 +53,14 @@ zliblinuxheader := zlib.h zconf.h zutil.h $(addprefix $(obj)/,$(zlib) cuboot-c2k.o gunzip_util.o main.o prpmc2800.o): \ $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) -src-libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c +libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c +libfdtheader := fdt.h libfdt.h libfdt_internal.h + +$(addprefix $(obj)/,$(libfdt) libfdt-wrapper.o simpleboot.o): \ + $(addprefix $(obj)/,$(libfdtheader)) + src-wlib := string.S crt0.S crtsavres.S stdio.c main.c \ - $(addprefix libfdt/,$(src-libfdt)) libfdt-wrapper.c \ + $(libfdt) libfdt-wrapper.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \ @@ -96,6 +101,12 @@ $(addprefix $(obj)/,$(zlibheader)): $(obj)/%: $(srctree)/lib/zlib_inflate/% $(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/% $(call cmd,copy_zliblinuxheader) +quiet_cmd_copy_libfdt = COPY $@ + cmd_copy_libfdt = cp $< $@ + +$(addprefix $(obj)/,$(libfdt) $(libfdtheader)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/% + $(call cmd,copy_libfdt) + $(obj)/empty.c: @touch $@ @@ -103,6 +114,7 @@ $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds: $(obj)/%: $(srct @cp $< $@ clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \ + $(libfdt) $(libfdtheader) \ empty.c zImage.coff.lds zImage.ps3.lds zImage.lds quiet_cmd_bootcc = BOOTCC $@ @@ -114,6 +126,8 @@ quiet_cmd_bootas = BOOTAS $@ quiet_cmd_bootar = BOOTAR $@ cmd_bootar = $(CROSS32AR) -cr $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ +$(obj-libfdt): $(obj)/%.o: $(srctree)/scripts/dtc/libfdt/%.c FORCE + $(call if_changed_dep,bootcc) $(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE $(Q)mkdir -p $(dir $@) $(call if_changed_dep,bootcc) @@ -124,7 +138,7 @@ $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE $(obj)/wrapper.a: $(obj-wlib) FORCE $(call if_changed,bootar) -hostprogs-y := addnote addRamDisk hack-coff mktree dtc +hostprogs-y := addnote addRamDisk hack-coff mktree targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ @@ -133,46 +147,9 @@ extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ dtstree := $(srctree)/$(src)/dts wrapper :=$(srctree)/$(src)/wrapper -wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \ +wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \ $(wrapper) FORCE -############# -# Bits for building dtc -# DTC_GENPARSER := 1 # Uncomment to rebuild flex/bison output - -dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o srcpos.o checks.o -dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o -dtc-objs := $(addprefix dtc-src/, $(dtc-objs)) - -# prerequisites on generated files needs to be explicit -$(obj)/dtc-src/dtc-parser.tab.o: $(obj)/dtc-src/dtc-parser.tab.c $(obj)/dtc-src/dtc-parser.tab.h -$(obj)/dtc-src/dtc-lexer.lex.o: $(obj)/dtc-src/dtc-lexer.lex.c $(obj)/dtc-src/dtc-parser.tab.h - -HOSTCFLAGS += -I$(src)/dtc-src/ -I$(src)/libfdt/ - -targets += dtc-src/dtc-parser.tab.c -targets += dtc-src/dtc-lexer.lex.c - -clean-files += dtc-src/dtc-parser.tab.h - -ifdef DTC_GENPARSER -BISON = bison -FLEX = flex - -quiet_cmd_bison = BISON $@ - cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped -quiet_cmd_flex = FLEX $@ - cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped - -$(obj)/dtc-src/dtc-parser.tab.c: $(src)/dtc-src/dtc-parser.y FORCE - $(call if_changed,bison) - -$(obj)/dtc-src/dtc-parser.tab.h: $(obj)/dtc-src/dtc-parser.tab.c - -$(obj)/dtc-src/dtc-lexer.lex.c: $(src)/dtc-src/dtc-lexer.l FORCE - $(call if_changed,flex) -endif - ############# # Bits for building various flavours of zImage @@ -347,8 +324,10 @@ $(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb) # Rule to build device tree blobs -$(obj)/%.dtb: $(dtstree)/%.dts $(obj)/dtc - $(obj)/dtc -O dtb -o $(obj)/$*.dtb -b 0 $(DTS_FLAGS) $(dtstree)/$*.dts +DTC = $(objtree)/scripts/dtc/dtc + +$(obj)/%.dtb: $(dtstree)/%.dts + $(DTC) -O dtb -o $(obj)/$*.dtb -b 0 $(DTS_FLAGS) $(dtstree)/$*.dts # If there isn't a platform selected then just strip the vmlinux. ifeq (,$(image-y)) diff --git a/arch/powerpc/boot/simpleboot.c b/arch/powerpc/boot/simpleboot.c index c58a0dada992..21cd48074ec8 100644 --- a/arch/powerpc/boot/simpleboot.c +++ b/arch/powerpc/boot/simpleboot.c @@ -19,7 +19,7 @@ #include "types.h" #include "io.h" #include "stdio.h" -#include "libfdt/libfdt.h" +#include BSS_STACK(4*1024); diff --git a/scripts/Makefile b/scripts/Makefile index aafdf064feef..9dd5b25a1d53 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -21,6 +21,7 @@ hostprogs-y += unifdef subdir-$(CONFIG_MODVERSIONS) += genksyms subdir-y += mod subdir-$(CONFIG_SECURITY_SELINUX) += selinux +subdir-$(CONFIG_DTC) += dtc # Let clean descend into subdirs subdir- += basic kconfig package selinux diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile new file mode 100644 index 000000000000..01cdb36fc583 --- /dev/null +++ b/scripts/dtc/Makefile @@ -0,0 +1,54 @@ +# scripts/dtc makefile + +hostprogs-y := dtc +always := $(hostprogs-y) + +dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ + srcpos.o checks.o +dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o + +# Source files need to get at the userspace version of libfdt_env.h to compile + +HOSTCFLAGS_DTC := -I$(src) -I$(src)/libfdt + +HOSTCFLAGS_checks.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_data.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_dtc.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_flattree.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_fstree.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_livetree.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_srcpos.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_treesource.o := $(HOSTCFLAGS_DTC) + +HOSTCFLAGS_dtc-lexer.lex.o := $(HOSTCFLAGS_DTC) +HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC) + +# dependencies on generated files need to be listed explicitly +$(obj)/dtc-parser.tab.o: $(obj)/dtc-parser.tab.c $(obj)/dtc-parser.tab.h +$(obj)/dtc-lexer.lex.o: $(obj)/dtc-lexer.lex.c $(obj)/dtc-parser.tab.h + +targets += dtc-parser.tab.c dtc-lexer.lex.c + +clean-files += dtc-parser.tab.h + +# GENERATE_PARSER := 1 # Uncomment to rebuild flex/bison output + +ifdef GENERATE_PARSER + +BISON = bison +FLEX = flex + +quiet_cmd_bison = BISON $@ + cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped +quiet_cmd_flex = FLEX $@ + cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped + +$(obj)/dtc-parser.tab.c: $(src)/dtc-parser.y FORCE + $(call if_changed,bison) + +$(obj)/dtc-parser.tab.h: $(obj)/dtc-parser.tab.c + +$(obj)/dtc-lexer.lex.c: $(src)/dtc-lexer.l FORCE + $(call if_changed,flex) + +endif diff --git a/arch/powerpc/boot/dtc-src/Makefile.dtc b/scripts/dtc/Makefile.dtc similarity index 100% rename from arch/powerpc/boot/dtc-src/Makefile.dtc rename to scripts/dtc/Makefile.dtc diff --git a/arch/powerpc/boot/dtc-src/checks.c b/scripts/dtc/checks.c similarity index 100% rename from arch/powerpc/boot/dtc-src/checks.c rename to scripts/dtc/checks.c diff --git a/arch/powerpc/boot/dtc-src/data.c b/scripts/dtc/data.c similarity index 100% rename from arch/powerpc/boot/dtc-src/data.c rename to scripts/dtc/data.c diff --git a/arch/powerpc/boot/dtc-src/dtc-lexer.l b/scripts/dtc/dtc-lexer.l similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc-lexer.l rename to scripts/dtc/dtc-lexer.l diff --git a/arch/powerpc/boot/dtc-src/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc-lexer.lex.c_shipped rename to scripts/dtc/dtc-lexer.lex.c_shipped diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.tab.c_shipped b/scripts/dtc/dtc-parser.tab.c_shipped similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc-parser.tab.c_shipped rename to scripts/dtc/dtc-parser.tab.c_shipped diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.tab.h_shipped b/scripts/dtc/dtc-parser.tab.h_shipped similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc-parser.tab.h_shipped rename to scripts/dtc/dtc-parser.tab.h_shipped diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.y b/scripts/dtc/dtc-parser.y similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc-parser.y rename to scripts/dtc/dtc-parser.y diff --git a/arch/powerpc/boot/dtc-src/dtc.c b/scripts/dtc/dtc.c similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc.c rename to scripts/dtc/dtc.c diff --git a/arch/powerpc/boot/dtc-src/dtc.h b/scripts/dtc/dtc.h similarity index 100% rename from arch/powerpc/boot/dtc-src/dtc.h rename to scripts/dtc/dtc.h diff --git a/arch/powerpc/boot/dtc-src/flattree.c b/scripts/dtc/flattree.c similarity index 100% rename from arch/powerpc/boot/dtc-src/flattree.c rename to scripts/dtc/flattree.c diff --git a/arch/powerpc/boot/dtc-src/fstree.c b/scripts/dtc/fstree.c similarity index 100% rename from arch/powerpc/boot/dtc-src/fstree.c rename to scripts/dtc/fstree.c diff --git a/arch/powerpc/boot/libfdt/Makefile.libfdt b/scripts/dtc/libfdt/Makefile.libfdt similarity index 100% rename from arch/powerpc/boot/libfdt/Makefile.libfdt rename to scripts/dtc/libfdt/Makefile.libfdt diff --git a/arch/powerpc/boot/libfdt/fdt.c b/scripts/dtc/libfdt/fdt.c similarity index 100% rename from arch/powerpc/boot/libfdt/fdt.c rename to scripts/dtc/libfdt/fdt.c diff --git a/arch/powerpc/boot/libfdt/fdt.h b/scripts/dtc/libfdt/fdt.h similarity index 100% rename from arch/powerpc/boot/libfdt/fdt.h rename to scripts/dtc/libfdt/fdt.h diff --git a/arch/powerpc/boot/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c similarity index 100% rename from arch/powerpc/boot/libfdt/fdt_ro.c rename to scripts/dtc/libfdt/fdt_ro.c diff --git a/arch/powerpc/boot/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c similarity index 100% rename from arch/powerpc/boot/libfdt/fdt_rw.c rename to scripts/dtc/libfdt/fdt_rw.c diff --git a/arch/powerpc/boot/libfdt/fdt_strerror.c b/scripts/dtc/libfdt/fdt_strerror.c similarity index 100% rename from arch/powerpc/boot/libfdt/fdt_strerror.c rename to scripts/dtc/libfdt/fdt_strerror.c diff --git a/arch/powerpc/boot/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c similarity index 100% rename from arch/powerpc/boot/libfdt/fdt_sw.c rename to scripts/dtc/libfdt/fdt_sw.c diff --git a/arch/powerpc/boot/libfdt/fdt_wip.c b/scripts/dtc/libfdt/fdt_wip.c similarity index 100% rename from arch/powerpc/boot/libfdt/fdt_wip.c rename to scripts/dtc/libfdt/fdt_wip.c diff --git a/arch/powerpc/boot/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h similarity index 100% rename from arch/powerpc/boot/libfdt/libfdt.h rename to scripts/dtc/libfdt/libfdt.h diff --git a/arch/powerpc/boot/dtc-src/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h similarity index 100% rename from arch/powerpc/boot/dtc-src/libfdt_env.h rename to scripts/dtc/libfdt/libfdt_env.h diff --git a/arch/powerpc/boot/libfdt/libfdt_internal.h b/scripts/dtc/libfdt/libfdt_internal.h similarity index 100% rename from arch/powerpc/boot/libfdt/libfdt_internal.h rename to scripts/dtc/libfdt/libfdt_internal.h diff --git a/arch/powerpc/boot/dtc-src/livetree.c b/scripts/dtc/livetree.c similarity index 100% rename from arch/powerpc/boot/dtc-src/livetree.c rename to scripts/dtc/livetree.c diff --git a/arch/powerpc/boot/dtc-src/srcpos.c b/scripts/dtc/srcpos.c similarity index 100% rename from arch/powerpc/boot/dtc-src/srcpos.c rename to scripts/dtc/srcpos.c diff --git a/arch/powerpc/boot/dtc-src/srcpos.h b/scripts/dtc/srcpos.h similarity index 100% rename from arch/powerpc/boot/dtc-src/srcpos.h rename to scripts/dtc/srcpos.h diff --git a/arch/powerpc/boot/dtc-src/treesource.c b/scripts/dtc/treesource.c similarity index 100% rename from arch/powerpc/boot/dtc-src/treesource.c rename to scripts/dtc/treesource.c diff --git a/arch/powerpc/boot/dtc-src/version_gen.h b/scripts/dtc/version_gen.h similarity index 100% rename from arch/powerpc/boot/dtc-src/version_gen.h rename to scripts/dtc/version_gen.h From 7fdf523067666b0eaff330f362401ee50ce187c4 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Fri, 24 Apr 2009 17:32:22 -0400 Subject: [PATCH 390/478] NFS: Close page_mkwrite() races Follow up to Nick Piggin's patches to ensure that nfs_vm_page_mkwrite returns with the page lock held, and sets the VM_FAULT_LOCKED flag. See http://bugzilla.kernel.org/show_bug.cgi?id=12913 Signed-off-by: Trond Myklebust Signed-off-by: Linus Torvalds --- fs/nfs/file.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 5a97bcfe03e5..ec7e27d00bc6 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -517,10 +517,10 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) ret = nfs_updatepage(filp, page, 0, pagelen); out_unlock: + if (!ret) + return VM_FAULT_LOCKED; unlock_page(page); - if (ret) - ret = VM_FAULT_SIGBUS; - return ret; + return VM_FAULT_SIGBUS; } static struct vm_operations_struct nfs_file_vm_ops = { From 1cbac972ba28e706fa9ce4d4c81830040bc811ee Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 2 May 2009 13:39:56 +0400 Subject: [PATCH 391/478] x86: uv io-apic - use BUILD_BUG_ON instead of BUG_ON The expression is known to be true/false at compilation time so we're allowed to use build-time instead of run-time check. Also align 'entry' items assignment. [ Impact: shrink kernel a bit, cleanup ] Signed-off-by: Cyrill Gorcunov Cc: Jack Steiner LKML-Reference: <20090502093956.GB4791@lenovo> Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/io_apic.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 8aef5f9d9479..a80335ba12cc 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -3749,6 +3749,8 @@ int arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, unsigned long flags; int err; + BUILD_BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); + cfg = irq_cfg(irq); err = assign_irq_vector(irq, cfg, eligible_cpu); @@ -3762,15 +3764,13 @@ int arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, mmr_value = 0; entry = (struct uv_IO_APIC_route_entry *)&mmr_value; - BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); - - entry->vector = cfg->vector; - entry->delivery_mode = apic->irq_delivery_mode; - entry->dest_mode = apic->irq_dest_mode; - entry->polarity = 0; - entry->trigger = 0; - entry->mask = 0; - entry->dest = apic->cpu_mask_to_apicid(eligible_cpu); + entry->vector = cfg->vector; + entry->delivery_mode = apic->irq_delivery_mode; + entry->dest_mode = apic->irq_dest_mode; + entry->polarity = 0; + entry->trigger = 0; + entry->mask = 0; + entry->dest = apic->cpu_mask_to_apicid(eligible_cpu); mmr_pnode = uv_blade_to_pnode(mmr_blade); uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value); @@ -3788,10 +3788,10 @@ void arch_disable_uv_irq(int mmr_blade, unsigned long mmr_offset) struct uv_IO_APIC_route_entry *entry; int mmr_pnode; + BUILD_BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); + mmr_value = 0; entry = (struct uv_IO_APIC_route_entry *)&mmr_value; - BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); - entry->mask = 1; mmr_pnode = uv_blade_to_pnode(mmr_blade); From 9a8709d44139748fe2e0ab56d20d8c384c8b65ad Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 2 May 2009 00:25:11 +0400 Subject: [PATCH 392/478] x86: uv - prevent NULL dereference in uv_system_init() We may reach NULL dereference oops if kmalloc failed. Prevent it with explicit BUG_ON. [ Impact: more controlled assert in 'impossible' scenario ] Signed-off-by: Cyrill Gorcunov Acked-by: Jack Steiner LKML-Reference: <20090501202511.GE4633@lenovo> Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/x2apic_uv_x.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 873bf7121e89..9d9e2281a829 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -569,15 +569,18 @@ void __init uv_system_init(void) bytes = sizeof(struct uv_blade_info) * uv_num_possible_blades(); uv_blade_info = kmalloc(bytes, GFP_KERNEL); + BUG_ON(!uv_blade_info); get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size); bytes = sizeof(uv_node_to_blade[0]) * num_possible_nodes(); uv_node_to_blade = kmalloc(bytes, GFP_KERNEL); + BUG_ON(!uv_node_to_blade); memset(uv_node_to_blade, 255, bytes); bytes = sizeof(uv_cpu_to_blade[0]) * num_possible_cpus(); uv_cpu_to_blade = kmalloc(bytes, GFP_KERNEL); + BUG_ON(!uv_cpu_to_blade); memset(uv_cpu_to_blade, 255, bytes); blade = 0; From 283a5d250e5315b76e7bfd7498c581324c922bfe Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Sat, 2 May 2009 10:14:15 -0400 Subject: [PATCH 393/478] [ARM] Kconfig typo fix: "PXA930" -> "CPU_PXA930". Signed-off-by: Robert P. J. Day Signed-off-by: Russell King --- arch/arm/mach-pxa/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 3e66d9099eab..17d3fbd368a3 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -289,12 +289,12 @@ config MACH_LITTLETON config MACH_TAVOREVB bool "PXA930 Evaluation Board (aka TavorEVB)" select PXA3xx - select PXA930 + select CPU_PXA930 config MACH_SAAR bool "PXA930 Handheld Platform (aka SAAR)" select PXA3xx - select PXA930 + select CPU_PXA930 config MACH_ARMCORE bool "CompuLab CM-X255/CM-X270 modules" From 548d2de9bd978a4d4e941477500f1ab97aade137 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Fri, 10 Apr 2009 17:52:57 +0200 Subject: [PATCH 394/478] mmc_block: be prepared for oversized requests The block layer does not support very low sector count restrictions so we need to be prepared to handle bigger requests than we can send directly to the controller. Problem found by Manuel Lauss. Signed-off-by: Pierre Ossman --- drivers/mmc/card/block.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index fe8041e619ea..b25e9b6516ae 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -253,6 +253,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; brq.data.blocks = req->nr_sectors; + /* + * The block layer doesn't support all sector count + * restrictions, so we need to be prepared for too big + * requests. + */ + if (brq.data.blocks > card->host->max_blk_count) + brq.data.blocks = card->host->max_blk_count; + /* * After a read error, we redo the request one sector at a time * in order to accurately determine which sectors can be read From c60a32cd129b1c41f98888b03ba2904406bac8f8 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 10 Apr 2009 23:31:10 +0200 Subject: [PATCH 395/478] sdhci-pci: bad error handling in probe function The goto unmap is too early, we haven't allocated host or done the request_region(). Found by smatch (http://repo.or.cz/w/smatch.git). [ Second error path fix by Pierre Ossman ] Signed-off-by: Dan Carpenter Signed-off-by: Pierre Ossman --- drivers/mmc/host/sdhci-pci.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index cd37962ec44f..65be27995d5c 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -522,8 +522,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); if (IS_ERR(host)) { - ret = PTR_ERR(host); - goto unmap; + dev_err(&pdev->dev, "cannot allocate host\n"); + return ERR_PTR(PTR_ERR(host)); } slot = sdhci_priv(host); @@ -541,7 +541,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); if (ret) { dev_err(&pdev->dev, "cannot request region\n"); - return ERR_PTR(ret); + goto free; } addr = pci_resource_start(pdev, bar); @@ -572,6 +572,8 @@ unmap: release: pci_release_region(pdev, bar); + +free: sdhci_free_host(host); return ERR_PTR(ret); From 79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20M=2E=20Fern=C3=A1ndez?= Date: Tue, 10 Mar 2009 02:21:21 +0100 Subject: [PATCH 396/478] mmc: increase power up delay MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The TI controller on Toshiba Tecra M5 needs more time to power up or the cards will init incorrectly or not at all. Signed-off-by: José M. Fernández Signed-off-by: Pierre Ossman --- drivers/mmc/core/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index fa073ab3fa34..264911732756 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay should be sufficient to allow the power supply * to reach the minimum voltage. */ - mmc_delay(2); + mmc_delay(10); host->ios.clock = host->f_min; host->ios.power_mode = MMC_POWER_ON; @@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay must be at least 74 clock sizes, or 1 ms, or the * time required to reach a stable voltage. */ - mmc_delay(2); + mmc_delay(10); } static void mmc_power_off(struct mmc_host *host) From 4accfe2577fab83e41db02282570e849f24ddf53 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Fri, 10 Apr 2009 23:55:42 +0200 Subject: [PATCH 397/478] sdhci: catch ADMA errors We forgot to add the ADMA error bit to the list of data interrupts. Signed-off-by: Pierre Ossman --- drivers/mmc/host/sdhci.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index f20a834f4309..65c6f996bbd3 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -125,7 +125,7 @@ #define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \ SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \ SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \ - SDHCI_INT_DATA_END_BIT) + SDHCI_INT_DATA_END_BIT | SDHCI_ADMA_ERROR) #define SDHCI_INT_ALL_MASK ((unsigned int)-1) #define SDHCI_ACMD12_ERR 0x3C From 4ea580f1db62c5419e6690878fd61a740f3aae8e Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Fri, 17 Apr 2009 08:44:19 +0530 Subject: [PATCH 398/478] mmci: fix crash with debug enabled If MMC debugging is enabled, the mmci driver oopses because the DBG macro uses host->mmc before it is set. Set it earlier. Signed-off-by: Rabin Vincent Signed-off-by: Pierre Ossman --- drivers/mmc/host/mmci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index a663429b3d55..36875dcfa492 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -514,6 +514,7 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id) } host = mmc_priv(mmc); + host->mmc = mmc; /* Bits 12 thru 19 is the designer */ host->hw_designer = (dev->periphid >> 12) & 0xff; /* Bits 20 thru 23 is the revison */ @@ -545,7 +546,6 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id) host->mclk = clk_get_rate(host->clk); DBG(host, "eventual mclk rate: %u Hz\n", host->mclk); } - host->mmc = mmc; host->base = ioremap(dev->res.start, SZ_4K); if (!host->base) { ret = -ENOMEM; From 2e058a6fb004a6b6c3eb6a219ae408f83b670598 Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Tue, 21 Apr 2009 00:14:54 +0530 Subject: [PATCH 399/478] mvsdio: fix CONFIG_PM=y build Fix usage of obsolete parameters and functions in the driver's PM callbacks. Signed-off-by: Rabin Vincent Acked-by: Nicolas Pitre Signed-off-by: Pierre Ossman --- drivers/mmc/host/mvsdio.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index b5c375d94ab3..c643d0fe118f 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -825,24 +825,23 @@ static int __exit mvsd_remove(struct platform_device *pdev) } #ifdef CONFIG_PM -static int mvsd_suspend(struct platform_device *dev, pm_message_t state, - u32 level) +static int mvsd_suspend(struct platform_device *dev, pm_message_t state) { struct mmc_host *mmc = platform_get_drvdata(dev); int ret = 0; - if (mmc && level == SUSPEND_DISABLE) + if (mmc) ret = mmc_suspend_host(mmc, state); return ret; } -static int mvsd_resume(struct platform_device *dev, u32 level) +static int mvsd_resume(struct platform_device *dev) { - struct mmc_host *mmc = platform_dev_get_drvdata(dev); + struct mmc_host *mmc = platform_get_drvdata(dev); int ret = 0; - if (mmc && level == RESUME_ENABLE) + if (mmc) ret = mmc_resume_host(mmc); return ret; From 0b3cc858003b79b6c66ad79415ead907cbe4074e Mon Sep 17 00:00:00 2001 From: Steve French Date: Mon, 4 May 2009 08:37:12 +0000 Subject: [PATCH 400/478] [CIFS] NTLMSSP reenabled after move from connect.c to sess.c The NTLMSSP code was removed from fs/cifs/connect.c and merged (75% smaller, cleaner) into fs/cifs/sess.c As with the old code it requires that cifs be built with CONFIG_CIFS_EXPERIMENTAL, the /proc/fs/cifs/Experimental flag must be set to 2, and mount must turn on extended security (e.g. with sec=krb5). Although NTLMSSP encapsulated in SPNEGO is not enabled yet, "raw" ntlmssp is common and useful in some cases since it offers more complete security negotiation, and is the default way of negotiating security for many Windows systems. SPNEGO encapsulated NTLMSSP will be able to reuse the same code. Signed-off-by: Steve French --- fs/cifs/CHANGES | 3 +- fs/cifs/sess.c | 252 +++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 251 insertions(+), 4 deletions(-) diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 43f2e0d061f6..f20c4069c220 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -8,7 +8,8 @@ accurately mark string length before allocating memory (which may help the rare cases where a UTF-8 string is much larger than the UCS2 string that we converted from). Fix endianness of the vcnum field used during session setup to distinguish multiple mounts to same server from different -userids. +userids. Raw NTLMSSP fixed (it requires /proc/fs/cifs/experimental +flag to be set to 2, and mount must enable krb5 to turn on extended security). Version 1.57 ------------ diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index b2bdc2a33833..e68744e169b3 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -378,6 +378,186 @@ static int decode_ascii_ssetup(char **pbcc_area, int bleft, return rc; } +static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, + struct cifsSesInfo *ses) +{ + CHALLENGE_MESSAGE *pblob = (CHALLENGE_MESSAGE *)bcc_ptr; + + if (blob_len < sizeof(CHALLENGE_MESSAGE)) { + cERROR(1, ("challenge blob len %d too small", blob_len)); + return -EINVAL; + } + + if (memcmp(pblob->Signature, "NTLMSSP", 8)) { + cERROR(1, ("blob signature incorrect %s", pblob->Signature)); + return -EINVAL; + } + if (pblob->MessageType != NtLmChallenge) { + cERROR(1, ("Incorrect message type %d", pblob->MessageType)); + return -EINVAL; + } + + memcpy(ses->server->cryptKey, pblob->Challenge, CIFS_CRYPTO_KEY_SIZE); + /* BB we could decode pblob->NegotiateFlags; some may be useful */ + /* In particular we can examine sign flags */ + /* BB spec says that if AvId field of MsvAvTimestamp is populated then + we must set the MIC field of the AUTHENTICATE_MESSAGE */ + + return 0; +} + +#ifdef CONFIG_CIFS_EXPERIMENTAL +/* BB Move to ntlmssp.c eventually */ + +/* We do not malloc the blob, it is passed in pbuffer, because + it is fixed size, and small, making this approach cleaner */ +static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, + struct cifsSesInfo *ses) +{ + NEGOTIATE_MESSAGE *sec_blob = (NEGOTIATE_MESSAGE *)pbuffer; + __u32 flags; + + memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8); + sec_blob->MessageType = NtLmNegotiate; + + /* BB is NTLMV2 session security format easier to use here? */ + flags = NTLMSSP_NEGOTIATE_56 | NTLMSSP_REQUEST_TARGET | + NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE | + NTLMSSP_NEGOTIATE_NT_ONLY | NTLMSSP_NEGOTIATE_NTLM; + if (ses->server->secMode & + (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) + flags |= NTLMSSP_NEGOTIATE_SIGN; + if (ses->server->secMode & SECMODE_SIGN_REQUIRED) + flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN; + + sec_blob->NegotiateFlags |= cpu_to_le32(flags); + + sec_blob->WorkstationName.BufferOffset = 0; + sec_blob->WorkstationName.Length = 0; + sec_blob->WorkstationName.MaximumLength = 0; + + /* Domain name is sent on the Challenge not Negotiate NTLMSSP request */ + sec_blob->DomainName.BufferOffset = 0; + sec_blob->DomainName.Length = 0; + sec_blob->DomainName.MaximumLength = 0; +} + +/* We do not malloc the blob, it is passed in pbuffer, because its + maximum possible size is fixed and small, making this approach cleaner. + This function returns the length of the data in the blob */ +static int build_ntlmssp_auth_blob(unsigned char *pbuffer, + struct cifsSesInfo *ses, + const struct nls_table *nls_cp, int first) +{ + AUTHENTICATE_MESSAGE *sec_blob = (AUTHENTICATE_MESSAGE *)pbuffer; + __u32 flags; + unsigned char *tmp; + char ntlm_session_key[CIFS_SESS_KEY_SIZE]; + + memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8); + sec_blob->MessageType = NtLmAuthenticate; + + flags = NTLMSSP_NEGOTIATE_56 | + NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_TARGET_INFO | + NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE | + NTLMSSP_NEGOTIATE_NT_ONLY | NTLMSSP_NEGOTIATE_NTLM; + if (ses->server->secMode & + (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) + flags |= NTLMSSP_NEGOTIATE_SIGN; + if (ses->server->secMode & SECMODE_SIGN_REQUIRED) + flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN; + + tmp = pbuffer + sizeof(AUTHENTICATE_MESSAGE); + sec_blob->NegotiateFlags |= cpu_to_le32(flags); + + sec_blob->LmChallengeResponse.BufferOffset = + cpu_to_le32(sizeof(AUTHENTICATE_MESSAGE)); + sec_blob->LmChallengeResponse.Length = 0; + sec_blob->LmChallengeResponse.MaximumLength = 0; + + /* calculate session key, BB what about adding similar ntlmv2 path? */ + SMBNTencrypt(ses->password, ses->server->cryptKey, ntlm_session_key); + if (first) + cifs_calculate_mac_key(&ses->server->mac_signing_key, + ntlm_session_key, ses->password); + + memcpy(tmp, ntlm_session_key, CIFS_SESS_KEY_SIZE); + sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->NtChallengeResponse.Length = cpu_to_le16(CIFS_SESS_KEY_SIZE); + sec_blob->NtChallengeResponse.MaximumLength = + cpu_to_le16(CIFS_SESS_KEY_SIZE); + + tmp += CIFS_SESS_KEY_SIZE; + + if (ses->domainName == NULL) { + sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->DomainName.Length = 0; + sec_blob->DomainName.MaximumLength = 0; + tmp += 2; + } else { + int len; + len = cifs_strtoUCS((__le16 *)tmp, ses->domainName, + MAX_USERNAME_SIZE, nls_cp); + len *= 2; /* unicode is 2 bytes each */ + len += 2; /* trailing null */ + sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->DomainName.Length = cpu_to_le16(len); + sec_blob->DomainName.MaximumLength = cpu_to_le16(len); + tmp += len; + } + + if (ses->userName == NULL) { + sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->UserName.Length = 0; + sec_blob->UserName.MaximumLength = 0; + tmp += 2; + } else { + int len; + len = cifs_strtoUCS((__le16 *)tmp, ses->userName, + MAX_USERNAME_SIZE, nls_cp); + len *= 2; /* unicode is 2 bytes each */ + len += 2; /* trailing null */ + sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->UserName.Length = cpu_to_le16(len); + sec_blob->UserName.MaximumLength = cpu_to_le16(len); + tmp += len; + } + + sec_blob->WorkstationName.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->WorkstationName.Length = 0; + sec_blob->WorkstationName.MaximumLength = 0; + tmp += 2; + + sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer); + sec_blob->SessionKey.Length = 0; + sec_blob->SessionKey.MaximumLength = 0; + return tmp - pbuffer; +} + + +static void setup_ntlmssp_neg_req(SESSION_SETUP_ANDX *pSMB, + struct cifsSesInfo *ses) +{ + build_ntlmssp_negotiate_blob(&pSMB->req.SecurityBlob[0], ses); + pSMB->req.SecurityBlobLength = cpu_to_le16(sizeof(NEGOTIATE_MESSAGE)); + + return; +} + +static int setup_ntlmssp_auth_req(SESSION_SETUP_ANDX *pSMB, + struct cifsSesInfo *ses, + const struct nls_table *nls, int first_time) +{ + int bloblen; + + bloblen = build_ntlmssp_auth_blob(&pSMB->req.SecurityBlob[0], ses, nls, + first_time); + pSMB->req.SecurityBlobLength = cpu_to_le16(bloblen); + + return bloblen; +} +#endif + int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, const struct nls_table *nls_cp) @@ -396,6 +576,7 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, __u16 action; int bytes_remaining; struct key *spnego_key = NULL; + __le32 phase = NtLmNegotiate; /* NTLMSSP, if needed, is multistage */ if (ses == NULL) return -EINVAL; @@ -403,6 +584,10 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, type = ses->server->secType; cFYI(1, ("sess setup type %d", type)); +ssetup_ntlmssp_authenticate: + if (phase == NtLmChallenge) + phase = NtLmAuthenticate; /* if ntlmssp, now final phase */ + if (type == LANMAN) { #ifndef CONFIG_CIFS_WEAK_PW_HASH /* LANMAN and plaintext are less secure and off by default. @@ -616,9 +801,49 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, goto ssetup_exit; #endif /* CONFIG_CIFS_UPCALL */ } else { +#ifdef CONFIG_CIFS_EXPERIMENTAL + if ((experimEnabled > 1) && (type == RawNTLMSSP)) { + if ((pSMB->req.hdr.Flags2 & SMBFLG2_UNICODE) == 0) { + cERROR(1, ("NTLMSSP requires Unicode support")); + rc = -ENOSYS; + goto ssetup_exit; + } + + cFYI(1, ("ntlmssp session setup phase %d", phase)); + pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC; + capabilities |= CAP_EXTENDED_SECURITY; + pSMB->req.Capabilities |= cpu_to_le32(capabilities); + if (phase == NtLmNegotiate) { + setup_ntlmssp_neg_req(pSMB, ses); + iov[1].iov_len = sizeof(NEGOTIATE_MESSAGE); + } else if (phase == NtLmAuthenticate) { + int blob_len; + blob_len = setup_ntlmssp_auth_req(pSMB, ses, + nls_cp, + first_time); + iov[1].iov_len = blob_len; + } else { + cERROR(1, ("invalid phase %d", phase)); + rc = -ENOSYS; + goto ssetup_exit; + } + iov[1].iov_base = &pSMB->req.SecurityBlob[0]; + /* unicode strings must be word aligned */ + if ((iov[0].iov_len + iov[1].iov_len) % 2) { + *bcc_ptr = 0; + bcc_ptr++; + } + unicode_oslm_strings(&bcc_ptr, nls_cp); + } else { + cERROR(1, ("secType %d not supported!", type)); + rc = -ENOSYS; + goto ssetup_exit; + } +#else cERROR(1, ("secType %d not supported!", type)); rc = -ENOSYS; goto ssetup_exit; +#endif } iov[2].iov_base = str_area; @@ -634,12 +859,23 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, /* SMB request buf freed in SendReceive2 */ cFYI(1, ("ssetup rc from sendrecv2 is %d", rc)); - if (rc) - goto ssetup_exit; pSMB = (SESSION_SETUP_ANDX *)iov[0].iov_base; smb_buf = (struct smb_hdr *)iov[0].iov_base; + if ((type == RawNTLMSSP) && (smb_buf->Status.CifsError == + cpu_to_le32(NT_STATUS_MORE_PROCESSING_REQUIRED))) { + if (phase != NtLmNegotiate) { + cERROR(1, ("Unexpected more processing error")); + goto ssetup_exit; + } + /* NTLMSSP Negotiate sent now processing challenge (response) */ + phase = NtLmChallenge; /* process ntlmssp challenge */ + rc = 0; /* MORE_PROC rc is not an error here, but expected */ + } + if (rc) + goto ssetup_exit; + if ((smb_buf->WordCount != 3) && (smb_buf->WordCount != 4)) { rc = -EIO; cERROR(1, ("bad word count %d", smb_buf->WordCount)); @@ -658,12 +894,18 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, if (smb_buf->WordCount == 4) { __u16 blob_len; blob_len = le16_to_cpu(pSMB->resp.SecurityBlobLength); - bcc_ptr += blob_len; if (blob_len > bytes_remaining) { cERROR(1, ("bad security blob length %d", blob_len)); rc = -EINVAL; goto ssetup_exit; } + if (phase == NtLmChallenge) { + rc = decode_ntlmssp_challenge(bcc_ptr, blob_len, ses); + /* now goto beginning for ntlmssp authenticate phase */ + if (rc) + goto ssetup_exit; + } + bcc_ptr += blob_len; bytes_remaining -= blob_len; } @@ -692,5 +934,9 @@ ssetup_exit: } else if (resp_buf_type == CIFS_LARGE_BUFFER) cifs_buf_release(iov[0].iov_base); + /* if ntlmssp, and negotiate succeeded, proceed to authenticate phase */ + if ((phase == NtLmChallenge) && (rc == 0)) + goto ssetup_ntlmssp_authenticate; + return rc; } From 7d875a02864a35532543897195dfea2235815df8 Mon Sep 17 00:00:00 2001 From: Anders Kaseorg Date: Sun, 3 May 2009 22:02:55 +0200 Subject: [PATCH 401/478] kbuild, modpost: fix unexpected non-allocatable section when cross compiling The missing TO_NATIVE(sechdrs[i].sh_flags) was causing many unexpected non-allocatable section warnings when cross-compiling for an architecture with a different endianness. Fix endianness of all the fields in the ELF header and section headers, not just some of them so we are not hit by this anohter time. Signed-off-by: Anders Kaseorg Reported-by: Sean MacLennan Tested-by: Sean MacLennan Signed-off-by: Sam Ravnborg --- scripts/mod/modpost.c | 35 +++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 936b6f8e46ff..a5c17db14ee5 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -384,11 +384,19 @@ static int parse_elf(struct elf_info *info, const char *filename) return 0; } /* Fix endianness in ELF header */ - hdr->e_shoff = TO_NATIVE(hdr->e_shoff); - hdr->e_shstrndx = TO_NATIVE(hdr->e_shstrndx); - hdr->e_shnum = TO_NATIVE(hdr->e_shnum); - hdr->e_machine = TO_NATIVE(hdr->e_machine); - hdr->e_type = TO_NATIVE(hdr->e_type); + hdr->e_type = TO_NATIVE(hdr->e_type); + hdr->e_machine = TO_NATIVE(hdr->e_machine); + hdr->e_version = TO_NATIVE(hdr->e_version); + hdr->e_entry = TO_NATIVE(hdr->e_entry); + hdr->e_phoff = TO_NATIVE(hdr->e_phoff); + hdr->e_shoff = TO_NATIVE(hdr->e_shoff); + hdr->e_flags = TO_NATIVE(hdr->e_flags); + hdr->e_ehsize = TO_NATIVE(hdr->e_ehsize); + hdr->e_phentsize = TO_NATIVE(hdr->e_phentsize); + hdr->e_phnum = TO_NATIVE(hdr->e_phnum); + hdr->e_shentsize = TO_NATIVE(hdr->e_shentsize); + hdr->e_shnum = TO_NATIVE(hdr->e_shnum); + hdr->e_shstrndx = TO_NATIVE(hdr->e_shstrndx); sechdrs = (void *)hdr + hdr->e_shoff; info->sechdrs = sechdrs; @@ -402,13 +410,16 @@ static int parse_elf(struct elf_info *info, const char *filename) /* Fix endianness in section headers */ for (i = 0; i < hdr->e_shnum; i++) { - sechdrs[i].sh_type = TO_NATIVE(sechdrs[i].sh_type); - sechdrs[i].sh_offset = TO_NATIVE(sechdrs[i].sh_offset); - sechdrs[i].sh_size = TO_NATIVE(sechdrs[i].sh_size); - sechdrs[i].sh_link = TO_NATIVE(sechdrs[i].sh_link); - sechdrs[i].sh_name = TO_NATIVE(sechdrs[i].sh_name); - sechdrs[i].sh_info = TO_NATIVE(sechdrs[i].sh_info); - sechdrs[i].sh_addr = TO_NATIVE(sechdrs[i].sh_addr); + sechdrs[i].sh_name = TO_NATIVE(sechdrs[i].sh_name); + sechdrs[i].sh_type = TO_NATIVE(sechdrs[i].sh_type); + sechdrs[i].sh_flags = TO_NATIVE(sechdrs[i].sh_flags); + sechdrs[i].sh_addr = TO_NATIVE(sechdrs[i].sh_addr); + sechdrs[i].sh_offset = TO_NATIVE(sechdrs[i].sh_offset); + sechdrs[i].sh_size = TO_NATIVE(sechdrs[i].sh_size); + sechdrs[i].sh_link = TO_NATIVE(sechdrs[i].sh_link); + sechdrs[i].sh_info = TO_NATIVE(sechdrs[i].sh_info); + sechdrs[i].sh_addralign = TO_NATIVE(sechdrs[i].sh_addralign); + sechdrs[i].sh_entsize = TO_NATIVE(sechdrs[i].sh_entsize); } /* Find symbol table. */ for (i = 1; i < hdr->e_shnum; i++) { From 028ecebdd83cc4a7f8c7e96e28a5537d2ac98dae Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 3 May 2009 22:17:37 +0200 Subject: [PATCH 402/478] kbuild, modpost: fix "unexpected non-allocatable" warning with SUSE gcc Jean reported that he saw one warning for each module like the one below: WARNING: arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.o (.comment.SUSE.OPTs): unexpected non-allocatable section. The warning appeared with the improved version of the check of the flags in the sections. That check already ignored sections named ".comment" - but SUSE store additional info in the comment section and has named it in a SUSE specific way. Therefore modpost failed to ignore the section. The fix is to extend the pattern so we ignore all sections that start with the name ".comment.". Signed-off-by: Sam Ravnborg Reported-by: Jean Delvare Tested-by: Jean Delvare --- scripts/mod/modpost.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index a5c17db14ee5..268d4571664d 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -727,7 +727,7 @@ int match(const char *sym, const char * const pat[]) /* sections that we do not want to do full section mismatch check on */ static const char *section_white_list[] = - { ".comment", ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; + { ".comment*", ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; /* * This is used to find sections missing the SHF_ALLOC flag. From 4391ed6aa9a38cdfb48addd7a9b24a2ff099b1a7 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Mon, 4 May 2009 13:05:26 +0200 Subject: [PATCH 403/478] kbuild, modpost: fix unexpected non-allocatable warning with mips mips emit the following debug sections: .mdebug* and .pdr They were included in the check for non-allocatable section and caused modpost to warn. Manuel Lauss suggested to fix this by adding the relevant sections to the list of sections we do not check. Signed-off-by: Sam Ravnborg Reported-by: Manuel Lauss --- scripts/mod/modpost.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 268d4571664d..161b7846733e 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -727,7 +727,17 @@ int match(const char *sym, const char * const pat[]) /* sections that we do not want to do full section mismatch check on */ static const char *section_white_list[] = - { ".comment*", ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; +{ + ".comment*", + ".debug*", + ".mdebug*", /* alpha, score, mips etc. */ + ".pdr", /* alpha, score, mips etc. */ + ".stab*", + ".note*", + ".got*", + ".toc*", + NULL +}; /* * This is used to find sections missing the SHF_ALLOC flag. From 6da7342ff1c5274c51ada084974668d10f769c16 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Mon, 4 May 2009 11:44:38 +0200 Subject: [PATCH 404/478] amd-iommu: fix iommu flag masks The feature bits should be set via bitmasks, not via feature IDs. [ Impact: fix feature enabling in newer IOMMU versions ] Signed-off-by: Joerg Roedel LKML-Reference: <20090504102028.GA30307@amd.com> Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 42c33cebf00f..8c0be0902dac 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -49,10 +49,10 @@ #define IVHD_DEV_EXT_SELECT 0x46 #define IVHD_DEV_EXT_SELECT_RANGE 0x47 -#define IVHD_FLAG_HT_TUN_EN 0x00 -#define IVHD_FLAG_PASSPW_EN 0x01 -#define IVHD_FLAG_RESPASSPW_EN 0x02 -#define IVHD_FLAG_ISOC_EN 0x03 +#define IVHD_FLAG_HT_TUN_EN_MASK 0x01 +#define IVHD_FLAG_PASSPW_EN_MASK 0x02 +#define IVHD_FLAG_RESPASSPW_EN_MASK 0x04 +#define IVHD_FLAG_ISOC_EN_MASK 0x08 #define IVMD_FLAG_EXCL_RANGE 0x08 #define IVMD_FLAG_UNITY_MAP 0x01 @@ -569,19 +569,19 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu, * First set the recommended feature enable bits from ACPI * into the IOMMU control registers */ - h->flags & IVHD_FLAG_HT_TUN_EN ? + h->flags & IVHD_FLAG_HT_TUN_EN_MASK ? iommu_feature_enable(iommu, CONTROL_HT_TUN_EN) : iommu_feature_disable(iommu, CONTROL_HT_TUN_EN); - h->flags & IVHD_FLAG_PASSPW_EN ? + h->flags & IVHD_FLAG_PASSPW_EN_MASK ? iommu_feature_enable(iommu, CONTROL_PASSPW_EN) : iommu_feature_disable(iommu, CONTROL_PASSPW_EN); - h->flags & IVHD_FLAG_RESPASSPW_EN ? + h->flags & IVHD_FLAG_RESPASSPW_EN_MASK ? iommu_feature_enable(iommu, CONTROL_RESPASSPW_EN) : iommu_feature_disable(iommu, CONTROL_RESPASSPW_EN); - h->flags & IVHD_FLAG_ISOC_EN ? + h->flags & IVHD_FLAG_ISOC_EN_MASK ? iommu_feature_enable(iommu, CONTROL_ISOC_EN) : iommu_feature_disable(iommu, CONTROL_ISOC_EN); From 6574612fbb34c63117581e68f2231ddce027e41e Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 4 May 2009 16:03:21 +0200 Subject: [PATCH 405/478] ASoC: Remove BROKEN from mpc5200 kconfig The regression was fixed by commit 3e5b50165fd0be080044586f43fcdd460ed27610, so no need to mark this driver as BROKEN. Signed-off-by: Takashi Iwai --- sound/soc/fsl/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index e7dd79a1d8cd..9fc908283371 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -21,7 +21,7 @@ config SND_SOC_MPC8610_HPCD config SND_SOC_MPC5200_I2S tristate "Freescale MPC5200 PSC in I2S mode driver" - depends on PPC_MPC52xx && PPC_BESTCOMM && BROKEN + depends on PPC_MPC52xx && PPC_BESTCOMM select SND_SOC_OF_SIMPLE select PPC_BESTCOMM_GEN_BD help From 0b2febf38a33d7c40fb7bb4a58c113a1fa33c412 Mon Sep 17 00:00:00 2001 From: Hannes Hering Date: Mon, 4 May 2009 11:06:37 -0700 Subject: [PATCH 406/478] ehea: fix invalid pointer access This patch fixes an invalid pointer access in case the receive queue holds no pointer to the next skb when the queue is empty. Signed-off-by: Hannes Hering Signed-off-by: Jan-Bernd Themann Signed-off-by: David S. Miller --- drivers/net/ehea/ehea.h | 2 +- drivers/net/ehea/ehea_main.c | 29 +++++++++++++++++------------ 2 files changed, 18 insertions(+), 13 deletions(-) diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 6e317caf429c..16a41389575a 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -40,7 +40,7 @@ #include #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0100" +#define DRV_VERSION "EHEA_0101" /* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 604c844d0769..b22dab9153f6 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -545,14 +545,17 @@ static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array, x &= (arr_len - 1); pref = skb_array[x]; - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + if (pref) { + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); + + pref = (skb_array[x]->data); + prefetch(pref); + prefetch(pref + EHEA_CACHE_LINE); + prefetch(pref + EHEA_CACHE_LINE * 2); + prefetch(pref + EHEA_CACHE_LINE * 3); + } - pref = (skb_array[x]->data); - prefetch(pref); - prefetch(pref + EHEA_CACHE_LINE); - prefetch(pref + EHEA_CACHE_LINE * 2); - prefetch(pref + EHEA_CACHE_LINE * 3); skb = skb_array[skb_index]; skb_array[skb_index] = NULL; return skb; @@ -569,12 +572,14 @@ static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array, x &= (arr_len - 1); pref = skb_array[x]; - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + if (pref) { + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); - pref = (skb_array[x]->data); - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + pref = (skb_array[x]->data); + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); + } skb = skb_array[wqe_index]; skb_array[wqe_index] = NULL; From 0c266898b42fe4e4e2f9edfc9d3474c10f93aa6a Mon Sep 17 00:00:00 2001 From: Satoru SATOH Date: Mon, 4 May 2009 11:11:01 -0700 Subject: [PATCH 407/478] tcp: Fix tcp_prequeue() to get correct rto_min value tcp_prequeue() refers to the constant value (TCP_RTO_MIN) regardless of the actual value might be tuned. The following patches fix this and make tcp_prequeue get the actual value returns from tcp_rto_min(). Signed-off-by: Satoru SATOH Signed-off-by: David S. Miller --- include/net/tcp.h | 14 +++++++++++++- net/ipv4/tcp_input.c | 10 ---------- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index 1b94b9bfe2dc..646dbe3962ea 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -41,6 +41,7 @@ #include #include #include +#include #include @@ -530,6 +531,17 @@ static inline void tcp_fast_path_check(struct sock *sk) tcp_fast_path_on(tp); } +/* Compute the actual rto_min value */ +static inline u32 tcp_rto_min(struct sock *sk) +{ + struct dst_entry *dst = __sk_dst_get(sk); + u32 rto_min = TCP_RTO_MIN; + + if (dst && dst_metric_locked(dst, RTAX_RTO_MIN)) + rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN); + return rto_min; +} + /* Compute the actual receive window we are currently advertising. * Rcv_nxt can be after the window if our peer push more data * than the offered window. @@ -895,7 +907,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb) wake_up_interruptible(sk->sk_sleep); if (!inet_csk_ack_scheduled(sk)) inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK, - (3 * TCP_RTO_MIN) / 4, + (3 * tcp_rto_min(sk)) / 4, TCP_RTO_MAX); } return 1; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index c96a6bb25430..eec3e6f9956c 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -597,16 +597,6 @@ static void tcp_event_data_recv(struct sock *sk, struct sk_buff *skb) tcp_grow_window(sk, skb); } -static u32 tcp_rto_min(struct sock *sk) -{ - struct dst_entry *dst = __sk_dst_get(sk); - u32 rto_min = TCP_RTO_MIN; - - if (dst && dst_metric_locked(dst, RTAX_RTO_MIN)) - rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN); - return rto_min; -} - /* Called to compute a smoothed rtt estimate. The data fed to this * routine either comes from timestamps, or from segments that were * known _not_ to have been retransmitted [see Karn/Partridge From 35d11680a9d82c93eb92f08f9702b72877427b4a Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Mon, 4 May 2009 20:28:59 +0200 Subject: [PATCH 408/478] x86: show number of core_siblings instead of thread_siblings in /proc/cpuinfo Commit 7ad728f98162cb1af06a85b2a5fc422dddd4fb78 (cpumask: x86: convert cpu_sibling_map/cpu_core_map to cpumask_var_t) changed the output of /proc/cpuinfo for siblings: Example on an AMD Phenom: physical id : 0 siblings : 1 core id : 3 cpu cores : 4 Before that commit it was: physical id : 0 siblings : 4 core id : 3 cpu cores : 4 Instead of cpu_core_mask it now uses cpu_sibling_mask to count siblings. This is due to the following hunk of above commit: | --- a/arch/x86/kernel/cpu/proc.c | +++ b/arch/x86/kernel/cpu/proc.c | @@ -14,7 +14,7 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinf | if (c->x86_max_cores * smp_num_siblings > 1) { | seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); | seq_printf(m, "siblings\t: %d\n", | - cpus_weight(per_cpu(cpu_core_map, cpu))); | + cpumask_weight(cpu_sibling_mask(cpu))); | seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id); | seq_printf(m, "cpu cores\t: %d\n", c->booted_cores); | seq_printf(m, "apicid\t\t: %d\n", c->apicid); This was a mistake, because the impact line shows that this side-effect was not anticipated: Impact: reduce per-cpu size for CONFIG_CPUMASK_OFFSTACK=y So revert the respective hunk to restore the old behavior. [ Impact: fix sibling-info regression in /proc/cpuinfo ] Signed-off-by: Andreas Herrmann Cc: Rusty Russell LKML-Reference: <20090504182859.GA29045@alberich.amd.com> Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index f93047fed791..d5e30397246b 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -14,7 +14,7 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, if (c->x86_max_cores * smp_num_siblings > 1) { seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); seq_printf(m, "siblings\t: %d\n", - cpumask_weight(cpu_sibling_mask(cpu))); + cpumask_weight(cpu_core_mask(cpu))); seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id); seq_printf(m, "cpu cores\t: %d\n", c->booted_cores); seq_printf(m, "apicid\t\t: %d\n", c->apicid); From 9f722c0978b04acba209f8ca1896ad05814bc3a3 Mon Sep 17 00:00:00 2001 From: Omar Laazimani Date: Mon, 4 May 2009 12:01:43 -0700 Subject: [PATCH 409/478] usbnet: CDC EEM support (v5) This introduces a CDC Ethernet Emulation Model (EEM) host side driver to support USB EEM devices. EEM is different from the Ethernet Control Model (ECM) currently supported by the "CDC Ethernet" driver. One key difference is that it doesn't require of USB interface alternate settings to manage interface state; some maldesigned hardware can't handle that part of USB. It also avoids a separate USB interface for control and status updates. [ dbrownell@users.sourceforge.net: fix skb leaks, add rx packet checks, improve fault handling, EEM conformance updates, cleanup ] Signed-off-by: Omar Laazimani Signed-off-by: David Brownell Signed-off-by: David S. Miller --- drivers/net/usb/Kconfig | 14 ++ drivers/net/usb/Makefile | 1 + drivers/net/usb/cdc_eem.c | 381 ++++++++++++++++++++++++++++++++++++++ include/linux/usb/cdc.h | 3 + 4 files changed, 399 insertions(+) create mode 100644 drivers/net/usb/cdc_eem.c diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 8ee21030e9ac..dfc6cf765fbd 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -180,6 +180,20 @@ config USB_NET_CDCETHER IEEE 802 "local assignment" bit is set in the address, a "usbX" name is used instead. +config USB_NET_CDC_EEM + tristate "CDC EEM support" + depends on USB_USBNET && EXPERIMENTAL + help + This option supports devices conforming to the Communication Device + Class (CDC) Ethernet Emulation Model, a specification that's easy to + implement in device firmware. The CDC EEM specifications are available + from . + + This driver creates an interface named "ethX", where X depends on + what other networking devices you have in use. However, if the + IEEE 802 "local assignment" bit is set in the address, a "usbX" + name is used instead. + config USB_NET_DM9601 tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices" depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 88a87eeb376a..c8aef62cf2b7 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_USB_RTL8150) += rtl8150.o obj-$(CONFIG_USB_HSO) += hso.o obj-$(CONFIG_USB_NET_AX8817X) += asix.o obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o +obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o obj-$(CONFIG_USB_NET_GL620A) += gl620a.o diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c new file mode 100644 index 000000000000..80e01778dd3b --- /dev/null +++ b/drivers/net/usb/cdc_eem.c @@ -0,0 +1,381 @@ +/* + * USB CDC EEM network interface driver + * Copyright (C) 2009 Oberthur Technologies + * by Omar Laazimani, Olivier Condemine + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +/* + * This driver is an implementation of the CDC "Ethernet Emulation + * Model" (EEM) specification, which encapsulates Ethernet frames + * for transport over USB using a simpler USB device model than the + * previous CDC "Ethernet Control Model" (ECM, or "CDC Ethernet"). + * + * For details, see www.usb.org/developers/devclass_docs/CDC_EEM10.pdf + * + * This version has been tested with GIGAntIC WuaoW SIM Smart Card on 2.6.24, + * 2.6.27 and 2.6.30rc2 kernel. + * It has also been validated on Openmoko Om 2008.12 (based on 2.6.24 kernel). + * build on 23-April-2009 + */ + +#define EEM_HEAD 2 /* 2 byte header */ + +/*-------------------------------------------------------------------------*/ + +static void eem_linkcmd_complete(struct urb *urb) +{ + dev_kfree_skb(urb->context); + usb_free_urb(urb); +} + +static void eem_linkcmd(struct usbnet *dev, struct sk_buff *skb) +{ + struct urb *urb; + int status; + + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + goto fail; + + usb_fill_bulk_urb(urb, dev->udev, dev->out, + skb->data, skb->len, eem_linkcmd_complete, skb); + + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status) { + usb_free_urb(urb); +fail: + dev_kfree_skb(skb); + devwarn(dev, "link cmd failure\n"); + return; + } +} + +static int eem_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int status = 0; + + status = usbnet_get_endpoints(dev, intf); + if (status < 0) { + usb_set_intfdata(intf, NULL); + usb_driver_release_interface(driver_of(intf), intf); + return status; + } + + /* no jumbogram (16K) support for now */ + + dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + + return 0; +} + +/* + * EEM permits packing multiple Ethernet frames into USB transfers + * (a "bundle"), but for TX we don't try to do that. + */ +static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + struct sk_buff *skb2 = NULL; + u16 len = skb->len; + u32 crc = 0; + int padlen = 0; + + /* When ((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket) is + * zero, stick two bytes of zero length EEM packet on the end. + * Else the framework would add invalid single byte padding, + * since it can't know whether ZLPs will be handled right by + * all the relevant hardware and software. + */ + if (!((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket)) + padlen += 2; + + if (!skb_cloned(skb)) { + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); + + if ((tailroom >= ETH_FCS_LEN + padlen) + && (headroom >= EEM_HEAD)) + goto done; + + if ((headroom + tailroom) + > (EEM_HEAD + ETH_FCS_LEN + padlen)) { + skb->data = memmove(skb->head + + EEM_HEAD, + skb->data, + skb->len); + skb_set_tail_pointer(skb, len); + goto done; + } + } + + skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags); + if (!skb2) + return NULL; + + dev_kfree_skb_any(skb); + skb = skb2; + +done: + /* we don't use the "no Ethernet CRC" option */ + crc = crc32_le(~0, skb->data, skb->len); + crc = ~crc; + + put_unaligned_le32(crc, skb_put(skb, 4)); + + /* EEM packet header format: + * b0..13: length of ethernet frame + * b14: bmCRC (1 == valid Ethernet CRC) + * b15: bmType (0 == data) + */ + len = skb->len; + put_unaligned_le16(BIT(14) | len, skb_push(skb, 2)); + + /* Bundle a zero length EEM packet if needed */ + if (padlen) + put_unaligned_le16(0, skb_put(skb, 2)); + + return skb; +} + +static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + /* + * Our task here is to strip off framing, leaving skb with one + * data frame for the usbnet framework code to process. But we + * may have received multiple EEM payloads, or command payloads. + * So we must process _everything_ as if it's a header, except + * maybe the last data payload + * + * REVISIT the framework needs updating so that when we consume + * all payloads (the last or only message was a command, or a + * zero length EEM packet) that is not accounted as an rx_error. + */ + do { + struct sk_buff *skb2 = NULL; + u16 header; + u16 len = 0; + + /* incomplete EEM header? */ + if (skb->len < EEM_HEAD) + return 0; + + /* + * EEM packet header format: + * b0..14: EEM type dependant (Data or Command) + * b15: bmType + */ + header = get_unaligned_le16(skb->data); + skb_pull(skb, EEM_HEAD); + + /* + * The bmType bit helps to denote when EEM + * packet is data or command : + * bmType = 0 : EEM data payload + * bmType = 1 : EEM (link) command + */ + if (header & BIT(15)) { + u16 bmEEMCmd; + + /* + * EEM (link) command packet: + * b0..10: bmEEMCmdParam + * b11..13: bmEEMCmd + * b14: bmReserved (must be 0) + * b15: 1 (EEM command) + */ + if (header & BIT(14)) { + devdbg(dev, "reserved command %04x\n", header); + continue; + } + + bmEEMCmd = (header >> 11) & 0x7; + switch (bmEEMCmd) { + + /* Responding to echo requests is mandatory. */ + case 0: /* Echo command */ + len = header & 0x7FF; + + /* bogus command? */ + if (skb->len < len) + return 0; + + skb2 = skb_clone(skb, GFP_ATOMIC); + if (unlikely(!skb2)) + goto next; + skb_trim(skb2, len); + put_unaligned_le16(BIT(15) | (1 << 11) | len, + skb_push(skb2, 2)); + eem_linkcmd(dev, skb2); + break; + + /* + * Host may choose to ignore hints. + * - suspend: peripheral ready to suspend + * - response: suggest N millisec polling + * - response complete: suggest N sec polling + */ + case 2: /* Suspend hint */ + case 3: /* Response hint */ + case 4: /* Response complete hint */ + continue; + + /* + * Hosts should never receive host-to-peripheral + * or reserved command codes; or responses to an + * echo command we didn't send. + */ + case 1: /* Echo response */ + case 5: /* Tickle */ + default: /* reserved */ + devwarn(dev, "unexpected link command %d\n", + bmEEMCmd); + continue; + } + + } else { + u32 crc, crc2; + int is_last; + + /* zero length EEM packet? */ + if (header == 0) + continue; + + /* + * EEM data packet header : + * b0..13: length of ethernet frame + * b14: bmCRC + * b15: 0 (EEM data) + */ + len = header & 0x3FFF; + + /* bogus EEM payload? */ + if (skb->len < len) + return 0; + + /* bogus ethernet frame? */ + if (len < (ETH_HLEN + ETH_FCS_LEN)) + goto next; + + /* + * Treat the last payload differently: framework + * code expects our "fixup" to have stripped off + * headers, so "skb" is a data packet (or error). + * Else if it's not the last payload, keep "skb" + * for further processing. + */ + is_last = (len == skb->len); + if (is_last) + skb2 = skb; + else { + skb2 = skb_clone(skb, GFP_ATOMIC); + if (unlikely(!skb2)) + return 0; + } + + crc = get_unaligned_le32(skb2->data + + len - ETH_FCS_LEN); + skb_trim(skb2, len - ETH_FCS_LEN); + + /* + * The bmCRC helps to denote when the CRC field in + * the Ethernet frame contains a calculated CRC: + * bmCRC = 1 : CRC is calculated + * bmCRC = 0 : CRC = 0xDEADBEEF + */ + if (header & BIT(14)) + crc2 = ~crc32_le(~0, skb2->data, len); + else + crc2 = 0xdeadbeef; + + if (is_last) + return crc == crc2; + + if (unlikely(crc != crc2)) { + dev->stats.rx_errors++; + dev_kfree_skb_any(skb2); + } else + usbnet_skb_return(dev, skb2); + } + +next: + skb_pull(skb, len); + } while (skb->len); + + return 1; +} + +static const struct driver_info eem_info = { + .description = "CDC EEM Device", + .flags = FLAG_ETHER, + .bind = eem_bind, + .rx_fixup = eem_rx_fixup, + .tx_fixup = eem_tx_fixup, +}; + +/*-------------------------------------------------------------------------*/ + +static const struct usb_device_id products[] = { +{ + USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_EEM, + USB_CDC_PROTO_EEM), + .driver_info = (unsigned long) &eem_info, +}, +{ + /* EMPTY == end of list */ +}, +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver eem_driver = { + .name = "cdc_eem", + .id_table = products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = usbnet_suspend, + .resume = usbnet_resume, +}; + + +static int __init eem_init(void) +{ + return usb_register(&eem_driver); +} +module_init(eem_init); + +static void __exit eem_exit(void) +{ + usb_deregister(&eem_driver); +} +module_exit(eem_exit); + +MODULE_AUTHOR("Omar Laazimani "); +MODULE_DESCRIPTION("USB CDC EEM"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h index 3c86ed25a04c..c24124a42ce5 100644 --- a/include/linux/usb/cdc.h +++ b/include/linux/usb/cdc.h @@ -17,6 +17,7 @@ #define USB_CDC_SUBCLASS_DMM 0x09 #define USB_CDC_SUBCLASS_MDLM 0x0a #define USB_CDC_SUBCLASS_OBEX 0x0b +#define USB_CDC_SUBCLASS_EEM 0x0c #define USB_CDC_PROTO_NONE 0 @@ -28,6 +29,8 @@ #define USB_CDC_ACM_PROTO_AT_CDMA 6 #define USB_CDC_ACM_PROTO_VENDOR 0xff +#define USB_CDC_PROTO_EEM 7 + /*-------------------------------------------------------------------------*/ /* From a67e899cf38ae542d1a028ccd021f9189f76fb74 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sat, 2 May 2009 18:24:06 -0700 Subject: [PATCH 410/478] Bluetooth: Fix issue with sysfs handling for connections Due to a semantic changes in flush_workqueue() the current approach of synchronizing the sysfs handling for connections doesn't work anymore. The whole approach is actually fully broken and based on assumptions that are no longer valid. With the introduction of Simple Pairing support, the creation of low-level ACL links got changed. This change invalidates the reason why in the past two independent work queues have been used for adding/removing sysfs devices. The adding of the actual sysfs device is now postponed until the host controller successfully assigns an unique handle to that link. So the real synchronization happens inside the controller and not the host. The only left-over problem is that some internals of the sysfs device handling are not initialized ahead of time. This leaves potential access to invalid data and can cause various NULL pointer dereferences. To fix this a new function makes sure that all sysfs details are initialized when an connection attempt is made. The actual sysfs device is only registered when the connection has been successfully established. To avoid a race condition with the registration, the check if a device is registered has been moved into the removal work. As an extra protection two flush_work() calls are left in place to make sure a previous add/del work has been completed first. Based on a report by Marc Pignat Signed-off-by: Marcel Holtmann Tested-by: Justin P. Mattock Tested-by: Roger Quadros Tested-by: Marc Pignat --- include/net/bluetooth/hci_core.h | 1 + net/bluetooth/hci_conn.c | 2 + net/bluetooth/hci_sysfs.c | 78 +++++++++++++++++--------------- 3 files changed, 45 insertions(+), 36 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index be5bd713d2c9..73aead222b32 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -457,6 +457,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); int hci_register_sysfs(struct hci_dev *hdev); void hci_unregister_sysfs(struct hci_dev *hdev); +void hci_conn_init_sysfs(struct hci_conn *conn); void hci_conn_add_sysfs(struct hci_conn *conn); void hci_conn_del_sysfs(struct hci_conn *conn); diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 375f4b4f7f79..61309b26f271 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -248,6 +248,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_CONN_ADD); + hci_conn_init_sysfs(conn); + tasklet_enable(&hdev->tx_task); return conn; diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index b7c51082ddeb..582d8877078c 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -9,7 +9,7 @@ struct class *bt_class = NULL; EXPORT_SYMBOL_GPL(bt_class); -static struct workqueue_struct *bluetooth; +static struct workqueue_struct *bt_workq; static inline char *link_typetostr(int type) { @@ -89,8 +89,8 @@ static void add_conn(struct work_struct *work) { struct hci_conn *conn = container_of(work, struct hci_conn, work_add); - /* ensure previous add/del is complete */ - flush_workqueue(bluetooth); + /* ensure previous del is complete */ + flush_work(&conn->work_del); if (device_add(&conn->dev) < 0) { BT_ERR("Failed to register connection device"); @@ -98,27 +98,6 @@ static void add_conn(struct work_struct *work) } } -void hci_conn_add_sysfs(struct hci_conn *conn) -{ - struct hci_dev *hdev = conn->hdev; - - BT_DBG("conn %p", conn); - - conn->dev.type = &bt_link; - conn->dev.class = bt_class; - conn->dev.parent = &hdev->dev; - - dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle); - - dev_set_drvdata(&conn->dev, conn); - - device_initialize(&conn->dev); - - INIT_WORK(&conn->work_add, add_conn); - - queue_work(bluetooth, &conn->work_add); -} - /* * The rfcomm tty device will possibly retain even when conn * is down, and sysfs doesn't support move zombie device, @@ -134,8 +113,11 @@ static void del_conn(struct work_struct *work) struct hci_conn *conn = container_of(work, struct hci_conn, work_del); struct hci_dev *hdev = conn->hdev; - /* ensure previous add/del is complete */ - flush_workqueue(bluetooth); + /* ensure previous add is complete */ + flush_work(&conn->work_add); + + if (!device_is_registered(&conn->dev)) + return; while (1) { struct device *dev; @@ -152,16 +134,40 @@ static void del_conn(struct work_struct *work) hci_dev_put(hdev); } +void hci_conn_init_sysfs(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p", conn); + + conn->dev.type = &bt_link; + conn->dev.class = bt_class; + conn->dev.parent = &hdev->dev; + + dev_set_drvdata(&conn->dev, conn); + + device_initialize(&conn->dev); + + INIT_WORK(&conn->work_add, add_conn); + INIT_WORK(&conn->work_del, del_conn); +} + +void hci_conn_add_sysfs(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p", conn); + + dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle); + + queue_work(bt_workq, &conn->work_add); +} + void hci_conn_del_sysfs(struct hci_conn *conn) { BT_DBG("conn %p", conn); - if (!device_is_registered(&conn->dev)) - return; - - INIT_WORK(&conn->work_del, del_conn); - - queue_work(bluetooth, &conn->work_del); + queue_work(bt_workq, &conn->work_del); } static inline char *host_typetostr(int type) @@ -438,13 +444,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev) int __init bt_sysfs_init(void) { - bluetooth = create_singlethread_workqueue("bluetooth"); - if (!bluetooth) + bt_workq = create_singlethread_workqueue("bluetooth"); + if (!bt_workq) return -ENOMEM; bt_class = class_create(THIS_MODULE, "bluetooth"); if (IS_ERR(bt_class)) { - destroy_workqueue(bluetooth); + destroy_workqueue(bt_workq); return PTR_ERR(bt_class); } @@ -453,7 +459,7 @@ int __init bt_sysfs_init(void) void bt_sysfs_cleanup(void) { - destroy_workqueue(bluetooth); + destroy_workqueue(bt_workq); class_destroy(bt_class); } From f83ce3e6b02d5e48b3a43b001390e2b58820389d Mon Sep 17 00:00:00 2001 From: Jake Edge Date: Mon, 4 May 2009 12:51:14 -0600 Subject: [PATCH 411/478] proc: avoid information leaks to non-privileged processes By using the same test as is used for /proc/pid/maps and /proc/pid/smaps, only allow processes that can ptrace() a given process to see information that might be used to bypass address space layout randomization (ASLR). These include eip, esp, wchan, and start_stack in /proc/pid/stat as well as the non-symbolic output from /proc/pid/wchan. ASLR can be bypassed by sampling eip as shown by the proof-of-concept code at http://code.google.com/p/fuzzyaslr/ As part of a presentation (http://www.cr0.org/paper/to-jt-linux-alsr-leak.pdf) esp and wchan were also noted as possibly usable information leaks as well. The start_stack address also leaks potentially useful information. Cc: Stable Team Signed-off-by: Jake Edge Acked-by: Arjan van de Ven Acked-by: "Eric W. Biederman" Signed-off-by: Linus Torvalds --- fs/proc/array.c | 13 +++++++++---- fs/proc/base.c | 5 ++++- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index 7e4877d9dcb5..725a650bbbb8 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -80,6 +80,7 @@ #include #include #include +#include #include #include @@ -352,6 +353,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, char state; pid_t ppid = 0, pgid = -1, sid = -1; int num_threads = 0; + int permitted; struct mm_struct *mm; unsigned long long start_time; unsigned long cmin_flt = 0, cmaj_flt = 0; @@ -364,11 +366,14 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, state = *get_task_state(task); vsize = eip = esp = 0; + permitted = ptrace_may_access(task, PTRACE_MODE_READ); mm = get_task_mm(task); if (mm) { vsize = task_vsize(mm); - eip = KSTK_EIP(task); - esp = KSTK_ESP(task); + if (permitted) { + eip = KSTK_EIP(task); + esp = KSTK_ESP(task); + } } get_task_comm(tcomm, task); @@ -424,7 +429,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, unlock_task_sighand(task, &flags); } - if (!whole || num_threads < 2) + if (permitted && (!whole || num_threads < 2)) wchan = get_wchan(task); if (!whole) { min_flt = task->min_flt; @@ -476,7 +481,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, rsslim, mm ? mm->start_code : 0, mm ? mm->end_code : 0, - mm ? mm->start_stack : 0, + (permitted && mm) ? mm->start_stack : 0, esp, eip, /* The signal information here is obsolete. diff --git a/fs/proc/base.c b/fs/proc/base.c index aa763ab00777..fb45615943c2 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -322,7 +322,10 @@ static int proc_pid_wchan(struct task_struct *task, char *buffer) wchan = get_wchan(task); if (lookup_symbol_name(wchan, symname) < 0) - return sprintf(buffer, "%lu", wchan); + if (!ptrace_may_access(task, PTRACE_MODE_READ)) + return 0; + else + return sprintf(buffer, "%lu", wchan); else return sprintf(buffer, "%s", symname); } From 65c90bca0dba56f60dc4ce2a529140c3cc440f22 Mon Sep 17 00:00:00 2001 From: Stephen Smalley Date: Mon, 4 May 2009 15:43:18 -0400 Subject: [PATCH 412/478] selinux: Fix send_sigiotask hook The CRED patch incorrectly converted the SELinux send_sigiotask hook to use the current task SID rather than the target task SID in its permission check, yielding the wrong permission check. This fixes the hook function. Detected by the ltp selinux testsuite and confirmed to correct the test failure. Signed-off-by: Stephen Smalley Signed-off-by: James Morris --- security/selinux/hooks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index ba808ef6babb..2fcad7c33eaf 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3153,7 +3153,7 @@ static int selinux_file_send_sigiotask(struct task_struct *tsk, struct fown_struct *fown, int signum) { struct file *file; - u32 sid = current_sid(); + u32 sid = task_sid(tsk); u32 perm; struct file_security_struct *fsec; From f2d41ecb0f096e4fc58d1456c9d54560f6e2b955 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 4 May 2009 12:02:23 -0400 Subject: [PATCH 413/478] [ARM] Kirkwood: update defconfig Signed-off-by: Nicolas Pitre --- arch/arm/configs/kirkwood_defconfig | 92 +++++++++++++++++++++-------- 1 file changed, 69 insertions(+), 23 deletions(-) diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig index c367ae44012e..dcf8153a947d 100644 --- a/arch/arm/configs/kirkwood_defconfig +++ b/arch/arm/configs/kirkwood_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.29-rc5 -# Tue Mar 3 21:45:57 2009 +# Linux kernel version: 2.6.30-rc4 +# Mon May 4 11:58:57 2009 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y @@ -66,20 +66,20 @@ CONFIG_NAMESPACES=y # CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +# CONFIG_STRIP_ASM_SYMS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y -CONFIG_COMPAT_BRK=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y -CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y @@ -89,6 +89,7 @@ CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_PCI_QUIRKS=y CONFIG_SLUB_DEBUG=y +CONFIG_COMPAT_BRK=y # CONFIG_SLAB is not set CONFIG_SLUB=y # CONFIG_SLOB is not set @@ -101,6 +102,7 @@ CONFIG_KPROBES=y CONFIG_KRETPROBES=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y +# CONFIG_SLOW_WORK is not set CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y @@ -113,7 +115,6 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y # CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set @@ -142,6 +143,7 @@ CONFIG_DEFAULT_IOSCHED="cfq" # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set @@ -162,6 +164,7 @@ CONFIG_ARCH_KIRKWOOD=y # CONFIG_ARCH_ORION5X is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_MMP is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set @@ -217,6 +220,7 @@ CONFIG_PCI_SYSCALL=y CONFIG_PCI_LEGACY=y # CONFIG_PCI_DEBUG is not set # CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set # CONFIG_PCCARD is not set # @@ -237,6 +241,7 @@ CONFIG_AEABI=y CONFIG_ARCH_FLATMEM_HAS_HOLES=y # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_HIGHMEM is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -249,6 +254,8 @@ CONFIG_SPLIT_PTLOCK_CPUS=4096 CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y CONFIG_ALIGNMENT_TRAP=y # @@ -293,7 +300,6 @@ CONFIG_NET=y # # Networking options # -CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -324,7 +330,7 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y CONFIG_INET_XFRM_MODE_BEET=y -# CONFIG_INET_LRO is not set +CONFIG_INET_LRO=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -357,6 +363,7 @@ CONFIG_NET_DSA_MV88E6123_61_65=y # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set # CONFIG_NET_SCHED is not set # CONFIG_DCB is not set @@ -365,20 +372,20 @@ CONFIG_NET_DSA_MV88E6123_61_65=y # CONFIG_NET_PKTGEN=m # CONFIG_NET_TCPPROBE is not set +# CONFIG_NET_DROP_MONITOR is not set # CONFIG_HAMRADIO is not set # CONFIG_CAN is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set -# CONFIG_PHONET is not set CONFIG_WIRELESS=y CONFIG_CFG80211=y # CONFIG_CFG80211_REG_DEBUG is not set -# CONFIG_NL80211 is not set CONFIG_WIRELESS_OLD_REGULATORY=y CONFIG_WIRELESS_EXT=y CONFIG_WIRELESS_EXT_SYSFS=y CONFIG_LIB80211=y +# CONFIG_LIB80211_DEBUG is not set CONFIG_MAC80211=y # @@ -513,7 +520,6 @@ CONFIG_MTD_NAND_ORION=y # LPDDR flash memory drivers # # CONFIG_MTD_LPDDR is not set -# CONFIG_MTD_QINFO_PROBE is not set # # UBI - Unsorted block images @@ -592,8 +598,10 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_MPT2SAS is not set # CONFIG_SCSI_HPTIOP is not set # CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set # CONFIG_FCOE is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set @@ -614,6 +622,7 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set # CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set CONFIG_SATA_PMP=y @@ -687,6 +696,7 @@ CONFIG_SATA_MV=y # CONFIG_IEEE1394 is not set # CONFIG_I2O is not set CONFIG_NETDEVICES=y +CONFIG_COMPAT_NET_DEV_OPS=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set # CONFIG_MACVLAN is not set @@ -724,8 +734,10 @@ CONFIG_MII=y # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set # CONFIG_ENC28J60 is not set +# CONFIG_ETHOC is not set # CONFIG_SMC911X is not set # CONFIG_SMSC911X is not set +# CONFIG_DNET is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set @@ -763,6 +775,7 @@ CONFIG_NETDEV_1000=y # CONFIG_E1000E is not set # CONFIG_IP1000 is not set # CONFIG_IGB is not set +# CONFIG_IGBVF is not set # CONFIG_NS83820 is not set # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set @@ -777,6 +790,7 @@ CONFIG_MV643XX_ETH=y # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set # CONFIG_ATL1E is not set +# CONFIG_ATL1C is not set # CONFIG_JME is not set # CONFIG_NETDEV_10000 is not set # CONFIG_TR is not set @@ -789,10 +803,11 @@ CONFIG_WLAN_80211=y CONFIG_LIBERTAS=y # CONFIG_LIBERTAS_USB is not set CONFIG_LIBERTAS_SDIO=y +# CONFIG_LIBERTAS_SPI is not set # CONFIG_LIBERTAS_DEBUG is not set # CONFIG_LIBERTAS_THINFIRM is not set -# CONFIG_HERMES is not set # CONFIG_ATMEL is not set +# CONFIG_AT76C50X_USB is not set # CONFIG_PRISM54 is not set # CONFIG_USB_ZD1201 is not set # CONFIG_USB_NET_RNDIS_WLAN is not set @@ -800,20 +815,20 @@ CONFIG_LIBERTAS_SDIO=y # CONFIG_RTL8187 is not set # CONFIG_ADM8211 is not set # CONFIG_MAC80211_HWSIM is not set +# CONFIG_MWL8K is not set # CONFIG_P54_COMMON is not set # CONFIG_ATH5K is not set # CONFIG_ATH9K is not set +# CONFIG_AR9170_USB is not set # CONFIG_IPW2100 is not set # CONFIG_IPW2200 is not set -# CONFIG_IWLCORE is not set -# CONFIG_IWLWIFI_LEDS is not set -# CONFIG_IWLAGN is not set -# CONFIG_IWL3945 is not set +# CONFIG_IWLWIFI is not set # CONFIG_HOSTAP is not set # CONFIG_B43 is not set # CONFIG_B43LEGACY is not set # CONFIG_ZD1211RW is not set # CONFIG_RT2X00 is not set +# CONFIG_HERMES is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers @@ -908,6 +923,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=2 # # Non-8250 serial port support # +# CONFIG_SERIAL_MAX3100 is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set @@ -982,7 +998,6 @@ CONFIG_I2C_MV64XXX=y # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_PCF8591 is not set # CONFIG_SENSORS_MAX6875 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set @@ -1082,15 +1097,17 @@ CONFIG_USB_HID=y # # Special HID drivers # -CONFIG_HID_COMPAT=y CONFIG_HID_A4TECH=y CONFIG_HID_APPLE=y CONFIG_HID_BELKIN=y CONFIG_HID_CHERRY=y CONFIG_HID_CHICONY=y CONFIG_HID_CYPRESS=y +# CONFIG_DRAGONRISE_FF is not set CONFIG_HID_EZKEY=y +CONFIG_HID_KYE=y CONFIG_HID_GYRATION=y +CONFIG_HID_KENSINGTON=y CONFIG_HID_LOGITECH=y # CONFIG_LOGITECH_FF is not set # CONFIG_LOGIRUMBLEPAD2_FF is not set @@ -1152,11 +1169,11 @@ CONFIG_USB_PRINTER=m # CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # # -# see USB_STORAGE Help for more information +# also be needed; see USB_STORAGE Help for more info # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set @@ -1198,7 +1215,6 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set @@ -1215,6 +1231,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # OTG and related infrastructure # # CONFIG_USB_GPIO_VBUS is not set +# CONFIG_NOP_USB_XCEIV is not set # CONFIG_UWB is not set CONFIG_MMC=y # CONFIG_MMC_DEBUG is not set @@ -1245,7 +1262,11 @@ CONFIG_LEDS_CLASS=y # # CONFIG_LEDS_PCA9532 is not set CONFIG_LEDS_GPIO=y +CONFIG_LEDS_GPIO_PLATFORM=y +# CONFIG_LEDS_LP5521 is not set # CONFIG_LEDS_PCA955X is not set +# CONFIG_LEDS_DAC124S085 is not set +# CONFIG_LEDS_BD2802 is not set # # LED Triggers @@ -1255,6 +1276,10 @@ CONFIG_LEDS_TRIGGER_TIMER=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set CONFIG_LEDS_TRIGGER_DEFAULT_ON=y + +# +# iptables trigger is under Netfilter config (LED target) +# CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y @@ -1329,7 +1354,9 @@ CONFIG_DMA_ENGINE=y # DMA Clients # # CONFIG_NET_DMA is not set +# CONFIG_ASYNC_TX_DMA is not set # CONFIG_DMATEST is not set +# CONFIG_AUXDISPLAY is not set # CONFIG_REGULATOR is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set @@ -1341,6 +1368,7 @@ CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set # CONFIG_EXT3_FS_XATTR is not set # CONFIG_EXT4_FS is not set CONFIG_JBD=y @@ -1360,6 +1388,11 @@ CONFIG_INOTIFY_USER=y # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set +# +# Caches +# +# CONFIG_FSCACHE is not set + # # CD-ROM/DVD Filesystems # @@ -1419,6 +1452,7 @@ CONFIG_CRAMFS=y # CONFIG_ROMFS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set +# CONFIG_NILFS2_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y @@ -1430,7 +1464,6 @@ CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y -# CONFIG_SUNRPC_REGISTER_V4 is not set # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -1502,6 +1535,9 @@ CONFIG_DEBUG_KERNEL=y CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 # CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set @@ -1538,10 +1574,12 @@ CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y +# CONFIG_PAGE_POISONING is not set CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_RING_BUFFER=y CONFIG_TRACING=y +CONFIG_TRACING_SUPPORT=y # # Tracers @@ -1551,11 +1589,15 @@ CONFIG_TRACING=y # CONFIG_PREEMPT_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_EVENT_TRACER is not set # CONFIG_BOOT_TRACER is not set # CONFIG_TRACE_BRANCH_PROFILING is not set # CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_FTRACE_STARTUP_TEST is not set -# CONFIG_DYNAMIC_PRINTK_DEBUG is not set +# CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set @@ -1587,10 +1629,12 @@ CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y # CONFIG_CRYPTO_CRYPTD is not set # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set @@ -1659,6 +1703,7 @@ CONFIG_CRYPTO_ARC4=y # Compression # # CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set # CONFIG_CRYPTO_LZO is not set # @@ -1667,6 +1712,7 @@ CONFIG_CRYPTO_ARC4=y # CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_HW=y # CONFIG_CRYPTO_DEV_HIFN_795X is not set +CONFIG_BINARY_PRINTF=y # # Library routines @@ -1682,7 +1728,7 @@ CONFIG_CRC32=y CONFIG_LIBCRC32C=y CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y +CONFIG_NLATTR=y From 7e14acb44021132e66801066e9e7527300c5fc10 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 4 May 2009 14:09:33 -0400 Subject: [PATCH 414/478] [ARM] orion5x: update defconfig Signed-off-by: Nicolas Pitre --- arch/arm/configs/orion5x_defconfig | 363 ++++++++++++++++++++++------- 1 file changed, 279 insertions(+), 84 deletions(-) diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig index 020e6a8a9e5c..5b98f7645119 100644 --- a/arch/arm/configs/orion5x_defconfig +++ b/arch/arm/configs/orion5x_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.27-rc4 -# Fri Aug 22 12:38:51 2008 +# Linux kernel version: 2.6.30-rc4 +# Mon May 4 14:07:25 2009 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y @@ -22,8 +22,6 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_ARCH_SUPPORTS_AOUT=y -CONFIG_ZONE_DMA=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -44,10 +42,19 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set # CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CGROUPS is not set # CONFIG_GROUP_SCHED is not set +# CONFIG_CGROUPS is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set @@ -55,48 +62,45 @@ CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y CONFIG_EMBEDDED=y CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +# CONFIG_STRIP_ASM_SYMS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y -CONFIG_COMPAT_BRK=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y -CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y +CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_PCI_QUIRKS=y # CONFIG_SLUB_DEBUG is not set +CONFIG_COMPAT_BRK=y # CONFIG_SLAB is not set CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y # CONFIG_MARKERS is not set CONFIG_OPROFILE=y CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y -# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set CONFIG_KRETPROBES=y -# CONFIG_HAVE_IOREMAP_PROT is not set CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y -# CONFIG_HAVE_ARCH_TRACEHOOK is not set -# CONFIG_HAVE_DMA_ATTRS is not set -# CONFIG_USE_GENERIC_SMP_HELPERS is not set -# CONFIG_HAVE_CLK is not set -CONFIG_PROC_PAGE_MONITOR=y +# CONFIG_SLOW_WORK is not set CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -104,11 +108,8 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y CONFIG_BLOCK=y # CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set @@ -124,7 +125,7 @@ CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_CLASSIC_RCU=y +# CONFIG_FREEZER is not set # # System Type @@ -134,10 +135,10 @@ CONFIG_CLASSIC_RCU=y # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_AT91 is not set -# CONFIG_ARCH_CLPS7500 is not set # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set @@ -158,14 +159,17 @@ CONFIG_CLASSIC_RCU=y CONFIG_ARCH_ORION5X=y # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_MMP is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_MSM7X00A is not set +# CONFIG_ARCH_MSM is not set +# CONFIG_ARCH_W90X900 is not set # # Orion Implementations @@ -175,6 +179,7 @@ CONFIG_MACH_RD88F5182=y CONFIG_MACH_KUROBOX_PRO=y CONFIG_MACH_DNS323=y CONFIG_MACH_TS209=y +CONFIG_MACH_TERASTATION_PRO2=y CONFIG_MACH_LINKSTATION_PRO=y CONFIG_MACH_LINKSTATION_MINI=y CONFIG_MACH_TS409=y @@ -187,14 +192,6 @@ CONFIG_MACH_WNR854T=y CONFIG_MACH_RD88F5181L_GE=y CONFIG_MACH_RD88F5181L_FXO=y CONFIG_MACH_RD88F6183AP_GE=y - -# -# Boot options -# - -# -# Power management -# CONFIG_PLAT_ORION=y # @@ -228,6 +225,8 @@ CONFIG_PCI_SYSCALL=y # CONFIG_ARCH_SUPPORTS_MSI is not set CONFIG_PCI_LEGACY=y # CONFIG_PCI_DEBUG is not set +# CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set # CONFIG_PCCARD is not set # @@ -237,25 +236,32 @@ CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_PREEMPT=y CONFIG_HZ=100 CONFIG_AEABI=y CONFIG_OABI_COMPAT=y -# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_HIGHMEM is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4096 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y CONFIG_LEDS=y CONFIG_LEDS_CPU=y CONFIG_ALIGNMENT_TRAP=y @@ -269,6 +275,11 @@ CONFIG_CMDLINE="" # CONFIG_XIP_KERNEL is not set # CONFIG_KEXEC is not set +# +# CPU Power Management +# +# CONFIG_CPU_IDLE is not set + # # Floating point emulation # @@ -285,13 +296,18 @@ CONFIG_VFP=y # Userspace binary formats # CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set # # Power management options # -# CONFIG_PM is not set +CONFIG_PM=y +# CONFIG_PM_DEBUG is not set +# CONFIG_SUSPEND is not set +# CONFIG_APM_EMULATION is not set CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_NET=y @@ -328,7 +344,7 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y CONFIG_INET_XFRM_MODE_BEET=y -# CONFIG_INET_LRO is not set +CONFIG_INET_LRO=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -343,6 +359,15 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set +CONFIG_NET_DSA=y +CONFIG_NET_DSA_TAG_DSA=y +CONFIG_NET_DSA_TAG_EDSA=y +# CONFIG_NET_DSA_TAG_TRAILER is not set +CONFIG_NET_DSA_MV88E6XXX=y +# CONFIG_NET_DSA_MV88E6060 is not set +CONFIG_NET_DSA_MV88E6XXX_NEED_PPU=y +CONFIG_NET_DSA_MV88E6131=y +CONFIG_NET_DSA_MV88E6123_61_65=y # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set @@ -352,27 +377,29 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set # CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set # # Network testing # CONFIG_NET_PKTGEN=m # CONFIG_NET_TCPPROBE is not set +# CONFIG_NET_DROP_MONITOR is not set # CONFIG_HAMRADIO is not set # CONFIG_CAN is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set - -# -# Wireless -# +CONFIG_WIRELESS=y # CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_OLD_REGULATORY is not set CONFIG_WIRELESS_EXT=y CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_LIB80211 is not set # CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set +# CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -397,6 +424,7 @@ CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set # CONFIG_MTD_CONCAT is not set CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_AFS_PARTS is not set @@ -450,9 +478,7 @@ CONFIG_MTD_CFI_UTIL=y # # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y -CONFIG_MTD_PHYSMAP_START=0x0 -CONFIG_MTD_PHYSMAP_LEN=0x0 -CONFIG_MTD_PHYSMAP_BANKWIDTH=0 +# CONFIG_MTD_PHYSMAP_COMPAT is not set # CONFIG_MTD_ARM_INTEGRATOR is not set # CONFIG_MTD_IMPA7 is not set # CONFIG_MTD_INTEL_VR_NOR is not set @@ -477,6 +503,7 @@ CONFIG_MTD_NAND=y CONFIG_MTD_NAND_VERIFY_WRITE=y # CONFIG_MTD_NAND_ECC_SMC is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_CAFE is not set @@ -486,6 +513,11 @@ CONFIG_MTD_NAND_PLATFORM=y CONFIG_MTD_NAND_ORION=y # CONFIG_MTD_ONENAND is not set +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + # # UBI - Unsorted block images # @@ -507,11 +539,20 @@ CONFIG_BLK_DEV_LOOP=y # CONFIG_ATA_OVER_ETH is not set CONFIG_MISC_DEVICES=y # CONFIG_PHANTOM is not set -# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_HP_ILO is not set +# CONFIG_ISL29003 is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_93CX6 is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -569,7 +610,11 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_MPT2SAS is not set # CONFIG_SCSI_HPTIOP is not set +# CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set +# CONFIG_FCOE is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_IPS is not set @@ -589,6 +634,7 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set # CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set CONFIG_SATA_PMP=y @@ -663,6 +709,7 @@ CONFIG_SATA_MV=y # CONFIG_IEEE1394 is not set # CONFIG_I2O is not set CONFIG_NETDEVICES=y +CONFIG_COMPAT_NET_DEV_OPS=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set # CONFIG_MACVLAN is not set @@ -670,7 +717,26 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # CONFIG_VETH is not set # CONFIG_ARCNET is not set -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_AX88796 is not set @@ -680,19 +746,25 @@ CONFIG_MII=y # CONFIG_NET_VENDOR_3COM is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_SMC911X is not set +# CONFIG_SMSC911X is not set +# CONFIG_DNET is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set # CONFIG_AMD8111_ETH is not set # CONFIG_ADAPTEC_STARFIRE is not set # CONFIG_B44 is not set # CONFIG_FORCEDETH is not set -# CONFIG_EEPRO100 is not set # CONFIG_E100 is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set @@ -702,10 +774,12 @@ CONFIG_NET_PCI=y # CONFIG_R6040 is not set # CONFIG_SIS900 is not set # CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set +# CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set @@ -713,6 +787,7 @@ CONFIG_NETDEV_1000=y # CONFIG_E1000E is not set # CONFIG_IP1000 is not set # CONFIG_IGB is not set +# CONFIG_IGBVF is not set # CONFIG_NS83820 is not set # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set @@ -727,6 +802,8 @@ CONFIG_MV643XX_ETH=y # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set # CONFIG_ATL1E is not set +# CONFIG_ATL1C is not set +# CONFIG_JME is not set # CONFIG_NETDEV_10000 is not set # CONFIG_TR is not set @@ -735,7 +812,10 @@ CONFIG_MV643XX_ETH=y # # CONFIG_WLAN_PRE80211 is not set # CONFIG_WLAN_80211 is not set -# CONFIG_IWLWIFI_LEDS is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# # # USB Network Adapters @@ -819,11 +899,11 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=16 # CONFIG_IPMI_HANDLER is not set # CONFIG_HW_RANDOM is not set -# CONFIG_NVRAM is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # CONFIG_RAW_DRIVER is not set @@ -886,12 +966,9 @@ CONFIG_I2C_MV64XXX=y # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_EEPROM_AT24 is not set -# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_PCF8591 is not set # CONFIG_SENSORS_MAX6875 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set @@ -911,14 +988,17 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set # CONFIG_SENSORS_ADT7470 is not set # CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ADT7475 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_I5K_AMB is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_F71882FG is not set # CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_G760A is not set # CONFIG_SENSORS_GL518SM is not set # CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set @@ -933,10 +1013,15 @@ CONFIG_SENSORS_LM75=y # CONFIG_SENSORS_LM90 is not set # CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_LTC4215 is not set +# CONFIG_SENSORS_LTC4245 is not set +# CONFIG_SENSORS_LM95241 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_MAX6650 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_SHT15 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_DME1737 is not set # CONFIG_SENSORS_SMSC47M1 is not set @@ -956,12 +1041,14 @@ CONFIG_SENSORS_LM75=y # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set # CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -970,9 +1057,12 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set -# CONFIG_MFD_T7L66XB is not set -# CONFIG_MFD_TC6387XB is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set # # Multimedia devices @@ -1013,9 +1103,36 @@ CONFIG_HID=y # USB Input Devices # CONFIG_USB_HID=y -# CONFIG_USB_HIDINPUT_POWERBOOK is not set -# CONFIG_HID_FF is not set +# CONFIG_HID_PID is not set # CONFIG_USB_HIDDEV is not set + +# +# Special HID drivers +# +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_DRAGONRISE_FF is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_KYE is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_KENSINGTON is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_GREENASIA_FF is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_THRUSTMASTER_FF is not set +# CONFIG_ZEROPLUS_FF is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y @@ -1030,10 +1147,13 @@ CONFIG_USB=y CONFIG_USB_DEVICEFS=y CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_SUSPEND is not set # CONFIG_USB_OTG is not set # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set # CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers @@ -1042,12 +1162,15 @@ CONFIG_USB_DEVICE_CLASS=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y +# CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set # CONFIG_USB_OHCI_HCD is not set # CONFIG_USB_UHCI_HCD is not set # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_WHCI_HCD is not set +# CONFIG_USB_HWA_HCD is not set # # USB Device Class drivers @@ -1055,20 +1178,20 @@ CONFIG_USB_EHCI_TT_NEWSCHED=y # CONFIG_USB_ACM is not set CONFIG_USB_PRINTER=y # CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # # -# may also be needed; see USB_STORAGE Help for more information +# also be needed; see USB_STORAGE Help for more info # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set CONFIG_USB_STORAGE_DATAFAB=y CONFIG_USB_STORAGE_FREECOM=y # CONFIG_USB_STORAGE_ISD200 is not set -CONFIG_USB_STORAGE_DPCM=y # CONFIG_USB_STORAGE_USBAT is not set CONFIG_USB_STORAGE_SDDR09=y CONFIG_USB_STORAGE_SDDR55=y @@ -1076,7 +1199,6 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set # CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_STORAGE_SIERRA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set # CONFIG_USB_LIBUSUAL is not set @@ -1097,6 +1219,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set @@ -1104,7 +1227,6 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set @@ -1114,8 +1236,18 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set # CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_NOP_USB_XCEIV is not set +# CONFIG_UWB is not set # CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y @@ -1124,7 +1256,10 @@ CONFIG_LEDS_CLASS=y # # CONFIG_LEDS_PCA9532 is not set CONFIG_LEDS_GPIO=y +CONFIG_LEDS_GPIO_PLATFORM=y +# CONFIG_LEDS_LP5521 is not set # CONFIG_LEDS_PCA955X is not set +# CONFIG_LEDS_BD2802 is not set # # LED Triggers @@ -1132,7 +1267,12 @@ CONFIG_LEDS_GPIO=y CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set CONFIG_LEDS_TRIGGER_DEFAULT_ON=y + +# +# iptables trigger is under Netfilter config (LED target) +# CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y @@ -1164,6 +1304,7 @@ CONFIG_RTC_DRV_M41T80=y # CONFIG_RTC_DRV_M41T80_WDT is not set CONFIG_RTC_DRV_S35390A=y # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers @@ -1173,12 +1314,15 @@ CONFIG_RTC_DRV_S35390A=y # Platform RTC drivers # # CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set CONFIG_RTC_DRV_M48T86=y +# CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_V3020 is not set # @@ -1196,16 +1340,12 @@ CONFIG_DMA_ENGINE=y # DMA Clients # # CONFIG_NET_DMA is not set +# CONFIG_ASYNC_TX_DMA is not set # CONFIG_DMATEST is not set - -# -# Voltage and Current regulators -# +# CONFIG_AUXDISPLAY is not set # CONFIG_REGULATOR is not set -# CONFIG_REGULATOR_FIXED_VOLTAGE is not set -# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set -# CONFIG_REGULATOR_BQ24022 is not set # CONFIG_UIO is not set +# CONFIG_STAGING is not set # # File systems @@ -1214,14 +1354,25 @@ CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set # CONFIG_EXT3_FS_XATTR is not set -# CONFIG_EXT4DEV_FS is not set +CONFIG_EXT4_FS=m +# CONFIG_EXT4DEV_COMPAT is not set +CONFIG_EXT4_FS_XATTR=y +# CONFIG_EXT4_FS_POSIX_ACL is not set +# CONFIG_EXT4_FS_SECURITY is not set CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_JBD2=m +# CONFIG_JBD2_DEBUG is not set +CONFIG_FS_MBCACHE=m # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set +CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y @@ -1230,6 +1381,11 @@ CONFIG_INOTIFY_USER=y # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set +# +# Caches +# +# CONFIG_FSCACHE is not set + # # CD-ROM/DVD Filesystems # @@ -1254,15 +1410,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# +CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set @@ -1282,6 +1436,7 @@ CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y # CONFIG_JFFS2_RUBIN is not set CONFIG_CRAMFS=y +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set @@ -1290,6 +1445,7 @@ CONFIG_CRAMFS=y # CONFIG_ROMFS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set +# CONFIG_NILFS2_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y @@ -1381,13 +1537,16 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set +CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 CONFIG_SCHED_DEBUG=y CONFIG_SCHEDSTATS=y # CONFIG_TIMER_STATS is not set @@ -1411,25 +1570,46 @@ CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set CONFIG_FRAME_POINTER=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_KPROBES_SANITY_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set CONFIG_LATENCYTOP=y CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_HAVE_FTRACE=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -# CONFIG_FTRACE is not set +# CONFIG_PAGE_POISONING is not set +CONFIG_NOP_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_RING_BUFFER=y +CONFIG_TRACING=y +CONFIG_TRACING_SUPPORT=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_PREEMPT_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_EVENT_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_FTRACE_STARTUP_TEST is not set +# CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set +CONFIG_ARM_UNWIND=y CONFIG_DEBUG_USER=y CONFIG_DEBUG_ERRORS=y # CONFIG_DEBUG_STACK_USAGE is not set @@ -1441,18 +1621,27 @@ CONFIG_DEBUG_LL=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set # CONFIG_SECURITY_FILE_CAPABILITIES is not set -CONFIG_ASYNC_CORE=y CONFIG_CRYPTO=y # # Crypto core or helper # +# CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=m +CONFIG_CRYPTO_ALGAPI2=m +CONFIG_CRYPTO_AEAD2=m CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_BLKCIPHER2=m +CONFIG_CRYPTO_HASH2=m +CONFIG_CRYPTO_RNG2=m +CONFIG_CRYPTO_PCOMP=m CONFIG_CRYPTO_MANAGER=m +CONFIG_CRYPTO_MANAGER2=m # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=m # CONFIG_CRYPTO_CRYPTD is not set # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set @@ -1521,18 +1710,24 @@ CONFIG_CRYPTO_PCBC=m # Compression # # CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set # CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_HW=y # CONFIG_CRYPTO_DEV_HIFN_795X is not set +CONFIG_BINARY_PRINTF=y # # Library routines # CONFIG_BITREVERSE=y -# CONFIG_GENERIC_FIND_FIRST_BIT is not set -# CONFIG_GENERIC_FIND_NEXT_BIT is not set +CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set +CONFIG_CRC16=m CONFIG_CRC_T10DIF=y CONFIG_CRC_ITU_T=m CONFIG_CRC32=y @@ -1540,7 +1735,7 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y +CONFIG_NLATTR=y From 3a5df4bf2a1829a342f3a416c217049e8caa0a1b Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 4 May 2009 14:28:59 -0400 Subject: [PATCH 415/478] [ARM] mv78xx0: update defconfig Signed-off-by: Nicolas Pitre --- arch/arm/configs/mv78xx0_defconfig | 431 ++++++++++++++++++++++------- 1 file changed, 336 insertions(+), 95 deletions(-) diff --git a/arch/arm/configs/mv78xx0_defconfig b/arch/arm/configs/mv78xx0_defconfig index b0698722e0cb..398274b0771a 100644 --- a/arch/arm/configs/mv78xx0_defconfig +++ b/arch/arm/configs/mv78xx0_defconfig @@ -1,11 +1,11 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.26-rc5 -# Fri Jun 13 02:57:32 2008 +# Linux kernel version: 2.6.30-rc4 +# Mon May 4 14:22:12 2009 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y -# CONFIG_GENERIC_GPIO is not set +CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_MMU=y @@ -22,8 +22,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_ARCH_SUPPORTS_AOUT=y -CONFIG_ZONE_DMA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -43,10 +42,19 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set # CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CGROUPS is not set # CONFIG_GROUP_SCHED is not set +# CONFIG_CGROUPS is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set @@ -54,32 +62,35 @@ CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y CONFIG_EMBEDDED=y CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +# CONFIG_STRIP_ASM_SYMS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y -CONFIG_COMPAT_BRK=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y -CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y +CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_PCI_QUIRKS=y # CONFIG_SLUB_DEBUG is not set +CONFIG_COMPAT_BRK=y # CONFIG_SLAB is not set CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y # CONFIG_MARKERS is not set CONFIG_OPROFILE=y CONFIG_HAVE_OPROFILE=y @@ -87,10 +98,9 @@ CONFIG_KPROBES=y CONFIG_KRETPROBES=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y -# CONFIG_HAVE_DMA_ATTRS is not set -CONFIG_PROC_PAGE_MONITOR=y +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -98,12 +108,10 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -# CONFIG_KMOD is not set CONFIG_BLOCK=y # CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set # CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers @@ -117,7 +125,7 @@ CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_CLASSIC_RCU=y +# CONFIG_FREEZER is not set # # System Type @@ -127,11 +135,10 @@ CONFIG_CLASSIC_RCU=y # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_AT91 is not set -# CONFIG_ARCH_CLPS7500 is not set # CONFIG_ARCH_CLPS711X is not set -# CONFIG_ARCH_CO285 is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set @@ -152,28 +159,23 @@ CONFIG_ARCH_MV78XX0=y # CONFIG_ARCH_ORION5X is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_MMP is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_MSM7X00A is not set +# CONFIG_ARCH_MSM is not set +# CONFIG_ARCH_W90X900 is not set # # Marvell MV78xx0 Implementations # CONFIG_MACH_DB78X00_BP=y CONFIG_MACH_RD78X00_MASA=y - -# -# Boot options -# - -# -# Power management -# CONFIG_PLAT_ORION=y # @@ -199,6 +201,7 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_DCACHE_DISABLE is not set CONFIG_OUTER_CACHE=y CONFIG_CACHE_FEROCEON_L2=y +# CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH is not set # # Bus support @@ -208,6 +211,8 @@ CONFIG_PCI_SYSCALL=y # CONFIG_ARCH_SUPPORTS_MSI is not set CONFIG_PCI_LEGACY=y # CONFIG_PCI_DEBUG is not set +# CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set # CONFIG_PCCARD is not set # @@ -217,25 +222,33 @@ CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_PREEMPT=y CONFIG_HZ=100 CONFIG_AEABI=y CONFIG_OABI_COMPAT=y -# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +CONFIG_HIGHMEM=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4096 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y CONFIG_ALIGNMENT_TRAP=y # @@ -247,6 +260,11 @@ CONFIG_CMDLINE="" # CONFIG_XIP_KERNEL is not set # CONFIG_KEXEC is not set +# +# CPU Power Management +# +# CONFIG_CPU_IDLE is not set + # # Floating point emulation # @@ -263,6 +281,8 @@ CONFIG_VFP=y # Userspace binary formats # CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set @@ -271,10 +291,6 @@ CONFIG_BINFMT_ELF=y # # CONFIG_PM is not set CONFIG_ARCH_SUSPEND_POSSIBLE=y - -# -# Networking -# CONFIG_NET=y # @@ -310,7 +326,7 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y CONFIG_INET_XFRM_MODE_BEET=y -# CONFIG_INET_LRO is not set +CONFIG_INET_LRO=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -325,6 +341,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set @@ -334,26 +351,23 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set # CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set # # Network testing # CONFIG_NET_PKTGEN=m # CONFIG_NET_TCPPROBE is not set +# CONFIG_NET_DROP_MONITOR is not set # CONFIG_HAMRADIO is not set # CONFIG_CAN is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set - -# -# Wireless -# -# CONFIG_CFG80211 is not set -CONFIG_WIRELESS_EXT=y -# CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set +# CONFIG_WIRELESS is not set +# CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -368,6 +382,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y +# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_EXTRA_FIRMWARE="" # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set @@ -376,6 +392,7 @@ CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set # CONFIG_MTD_CONCAT is not set CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_AFS_PARTS is not set @@ -429,9 +446,7 @@ CONFIG_MTD_CFI_UTIL=y # # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y -CONFIG_MTD_PHYSMAP_START=0x0 -CONFIG_MTD_PHYSMAP_LEN=0x0 -CONFIG_MTD_PHYSMAP_BANKWIDTH=0 +# CONFIG_MTD_PHYSMAP_COMPAT is not set # CONFIG_MTD_ARM_INTEGRATOR is not set # CONFIG_MTD_IMPA7 is not set # CONFIG_MTD_INTEL_VR_NOR is not set @@ -456,6 +471,7 @@ CONFIG_MTD_NAND=y CONFIG_MTD_NAND_VERIFY_WRITE=y # CONFIG_MTD_NAND_ECC_SMC is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_CAFE is not set @@ -465,6 +481,11 @@ CONFIG_MTD_NAND_IDS=y CONFIG_MTD_NAND_ORION=y # CONFIG_MTD_ONENAND is not set +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + # # UBI - Unsorted block images # @@ -486,10 +507,20 @@ CONFIG_BLK_DEV_LOOP=y # CONFIG_ATA_OVER_ETH is not set CONFIG_MISC_DEVICES=y # CONFIG_PHANTOM is not set -# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_HP_ILO is not set +# CONFIG_ISL29003 is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_93CX6 is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -547,7 +578,11 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_MPT2SAS is not set # CONFIG_SCSI_HPTIOP is not set +# CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set +# CONFIG_FCOE is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_IPS is not set @@ -566,6 +601,8 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_SCSI_NSP32 is not set # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set CONFIG_SATA_PMP=y @@ -632,11 +669,15 @@ CONFIG_SATA_MV=y # # IEEE 1394 (FireWire) support # + +# +# Enable only one of the two stacks, unless you know what you are doing +# # CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set # CONFIG_I2O is not set CONFIG_NETDEVICES=y -# CONFIG_NETDEVICES_MULTIQUEUE is not set +CONFIG_COMPAT_NET_DEV_OPS=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set # CONFIG_MACVLAN is not set @@ -644,7 +685,26 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # CONFIG_VETH is not set # CONFIG_ARCNET is not set -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_AX88796 is not set @@ -654,19 +714,25 @@ CONFIG_MII=y # CONFIG_NET_VENDOR_3COM is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_SMC911X is not set +# CONFIG_SMSC911X is not set +# CONFIG_DNET is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set # CONFIG_AMD8111_ETH is not set # CONFIG_ADAPTEC_STARFIRE is not set # CONFIG_B44 is not set # CONFIG_FORCEDETH is not set -# CONFIG_EEPRO100 is not set # CONFIG_E100 is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set @@ -676,18 +742,20 @@ CONFIG_NET_PCI=y # CONFIG_R6040 is not set # CONFIG_SIS900 is not set # CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set +# CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set # CONFIG_E1000 is not set # CONFIG_E1000E is not set -# CONFIG_E1000E_ENABLED is not set # CONFIG_IP1000 is not set # CONFIG_IGB is not set +# CONFIG_IGBVF is not set # CONFIG_NS83820 is not set # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set @@ -701,6 +769,9 @@ CONFIG_NETDEV_1000=y CONFIG_MV643XX_ETH=y # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set +# CONFIG_ATL1E is not set +# CONFIG_ATL1C is not set +# CONFIG_JME is not set # CONFIG_NETDEV_10000 is not set # CONFIG_TR is not set @@ -709,7 +780,10 @@ CONFIG_MV643XX_ETH=y # # CONFIG_WLAN_PRE80211 is not set # CONFIG_WLAN_80211 is not set -# CONFIG_IWLWIFI_LEDS is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# # # USB Network Adapters @@ -786,11 +860,11 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=16 # CONFIG_IPMI_HANDLER is not set # CONFIG_HW_RANDOM is not set -# CONFIG_NVRAM is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # CONFIG_RAW_DRIVER is not set @@ -799,44 +873,63 @@ CONFIG_DEVPORT=y CONFIG_I2C=y CONFIG_I2C_BOARDINFO=y CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y # # I2C Hardware Bus support # + +# +# PC SMBus host controller drivers +# # CONFIG_I2C_ALI1535 is not set # CONFIG_I2C_ALI1563 is not set # CONFIG_I2C_ALI15X3 is not set # CONFIG_I2C_AMD756 is not set # CONFIG_I2C_AMD8111 is not set # CONFIG_I2C_I801 is not set -# CONFIG_I2C_I810 is not set +# CONFIG_I2C_ISCH is not set # CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_NFORCE2 is not set -# CONFIG_I2C_OCORES is not set -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PROSAVAGE is not set -# CONFIG_I2C_SAVAGE4 is not set -# CONFIG_I2C_SIMTEC is not set # CONFIG_I2C_SIS5595 is not set # CONFIG_I2C_SIS630 is not set # CONFIG_I2C_SIS96X is not set -# CONFIG_I2C_TAOS_EVM is not set -# CONFIG_I2C_STUB is not set -# CONFIG_I2C_TINY_USB is not set # CONFIG_I2C_VIA is not set # CONFIG_I2C_VIAPRO is not set -# CONFIG_I2C_VOODOO3 is not set -# CONFIG_I2C_PCA_PLATFORM is not set + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_GPIO is not set CONFIG_I2C_MV64XXX=y +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Graphics adapter I2C/DDC channel drivers +# +# CONFIG_I2C_VOODOO3 is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set # # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set -# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_PCA9539 is not set # CONFIG_SENSORS_MAX6875 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set @@ -848,6 +941,7 @@ CONFIG_I2C_MV64XXX=y # CONFIG_POWER_SUPPLY is not set CONFIG_HWMON=y # CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7414 is not set # CONFIG_SENSORS_AD7418 is not set # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set @@ -855,14 +949,17 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set # CONFIG_SENSORS_ADT7470 is not set # CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ADT7475 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_I5K_AMB is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_F71882FG is not set # CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_G760A is not set # CONFIG_SENSORS_GL518SM is not set # CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set @@ -877,10 +974,15 @@ CONFIG_HWMON=y # CONFIG_SENSORS_LM90 is not set # CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_LTC4215 is not set +# CONFIG_SENSORS_LTC4245 is not set +# CONFIG_SENSORS_LM95241 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_MAX6650 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_SHT15 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_DME1737 is not set # CONFIG_SENSORS_SMSC47M1 is not set @@ -900,20 +1002,28 @@ CONFIG_HWMON=y # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set # CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # # Multifunction device drivers # +# CONFIG_MFD_CORE is not set # CONFIG_MFD_SM501 is not set -# CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set # # Multimedia devices @@ -944,10 +1054,6 @@ CONFIG_SSB_POSSIBLE=y # Display device support # # CONFIG_DISPLAY_SUPPORT is not set - -# -# Sound -# # CONFIG_SOUND is not set CONFIG_HID_SUPPORT=y CONFIG_HID=y @@ -958,9 +1064,36 @@ CONFIG_HID=y # USB Input Devices # CONFIG_USB_HID=y -# CONFIG_USB_HIDINPUT_POWERBOOK is not set -# CONFIG_HID_FF is not set +# CONFIG_HID_PID is not set # CONFIG_USB_HIDDEV is not set + +# +# Special HID drivers +# +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_DRAGONRISE_FF is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_KYE is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_KENSINGTON is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_GREENASIA_FF is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_THRUSTMASTER_FF is not set +# CONFIG_ZEROPLUS_FF is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y @@ -978,6 +1111,9 @@ CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_OTG is not set # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers @@ -986,12 +1122,15 @@ CONFIG_USB_DEVICE_CLASS=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y +# CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set # CONFIG_USB_OHCI_HCD is not set # CONFIG_USB_UHCI_HCD is not set # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_WHCI_HCD is not set +# CONFIG_USB_HWA_HCD is not set # # USB Device Class drivers @@ -999,20 +1138,20 @@ CONFIG_USB_EHCI_TT_NEWSCHED=y # CONFIG_USB_ACM is not set CONFIG_USB_PRINTER=y # CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # # -# may also be needed; see USB_STORAGE Help for more information +# also be needed; see USB_STORAGE Help for more info # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set CONFIG_USB_STORAGE_DATAFAB=y CONFIG_USB_STORAGE_FREECOM=y # CONFIG_USB_STORAGE_ISD200 is not set -CONFIG_USB_STORAGE_DPCM=y # CONFIG_USB_STORAGE_USBAT is not set CONFIG_USB_STORAGE_SDDR09=y CONFIG_USB_STORAGE_SDDR55=y @@ -1028,7 +1167,6 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # # CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set -# CONFIG_USB_MON is not set # # USB port drivers @@ -1041,7 +1179,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set -# CONFIG_USB_AUERSWALD is not set +# CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set @@ -1049,7 +1187,6 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set @@ -1059,14 +1196,29 @@ CONFIG_USB_STORAGE_JUMPSHOT=y # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set # CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_NOP_USB_XCEIV is not set +# CONFIG_UWB is not set # CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y # # LED drivers # +# CONFIG_LEDS_PCA9532 is not set +# CONFIG_LEDS_GPIO is not set +# CONFIG_LEDS_LP5521 is not set +# CONFIG_LEDS_PCA955X is not set +# CONFIG_LEDS_BD2802 is not set # # LED Triggers @@ -1074,7 +1226,12 @@ CONFIG_LEDS_CLASS=y CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set + +# +# iptables trigger is under Netfilter config (LED target) +# CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y @@ -1105,6 +1262,8 @@ CONFIG_RTC_DRV_RS5C372=y CONFIG_RTC_DRV_M41T80=y # CONFIG_RTC_DRV_M41T80_WDT is not set # CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers @@ -1114,18 +1273,25 @@ CONFIG_RTC_DRV_M41T80=y # Platform RTC drivers # # CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_V3020 is not set # # on-CPU RTC drivers # +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_REGULATOR is not set # CONFIG_UIO is not set +# CONFIG_STAGING is not set # # File systems @@ -1134,14 +1300,25 @@ CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set # CONFIG_EXT3_FS_XATTR is not set -# CONFIG_EXT4DEV_FS is not set +CONFIG_EXT4_FS=m +# CONFIG_EXT4DEV_COMPAT is not set +CONFIG_EXT4_FS_XATTR=y +# CONFIG_EXT4_FS_POSIX_ACL is not set +# CONFIG_EXT4_FS_SECURITY is not set CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_JBD2=m +# CONFIG_JBD2_DEBUG is not set +CONFIG_FS_MBCACHE=m # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set +CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y @@ -1150,6 +1327,11 @@ CONFIG_INOTIFY_USER=y # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set +# +# Caches +# +# CONFIG_FSCACHE is not set + # # CD-ROM/DVD Filesystems # @@ -1174,15 +1356,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# +CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set @@ -1202,25 +1382,27 @@ CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y # CONFIG_JFFS2_RUBIN is not set CONFIG_CRAMFS=y +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set # CONFIG_ROMFS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set +# CONFIG_NILFS2_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set -# CONFIG_NFSD is not set CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y -# CONFIG_SUNRPC_BIND34 is not set # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -1301,11 +1483,16 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set +CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 CONFIG_SCHED_DEBUG=y CONFIG_SCHEDSTATS=y # CONFIG_TIMER_STATS is not set @@ -1320,22 +1507,55 @@ CONFIG_DEBUG_PREEMPT=y # CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y # CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_HIGHMEM is not set # CONFIG_DEBUG_BUGVERBOSE is not set CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set -CONFIG_FRAME_POINTER=y +# CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_KPROBES_SANITY_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set +CONFIG_SYSCTL_SYSCALL_CHECK=y +# CONFIG_PAGE_POISONING is not set +CONFIG_NOP_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_RING_BUFFER=y +CONFIG_TRACING=y +CONFIG_TRACING_SUPPORT=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_EVENT_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_FTRACE_STARTUP_TEST is not set +# CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +CONFIG_ARM_UNWIND=y CONFIG_DEBUG_USER=y CONFIG_DEBUG_ERRORS=y # CONFIG_DEBUG_STACK_USAGE is not set @@ -1347,17 +1567,27 @@ CONFIG_DEBUG_LL=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set # CONFIG_SECURITY_FILE_CAPABILITIES is not set CONFIG_CRYPTO=y # # Crypto core or helper # +# CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=m +CONFIG_CRYPTO_ALGAPI2=m +CONFIG_CRYPTO_AEAD2=m CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_BLKCIPHER2=m +CONFIG_CRYPTO_HASH2=m +CONFIG_CRYPTO_RNG2=m +CONFIG_CRYPTO_PCOMP=m CONFIG_CRYPTO_MANAGER=m +CONFIG_CRYPTO_MANAGER2=m # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=m # CONFIG_CRYPTO_CRYPTD is not set # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set @@ -1393,6 +1623,10 @@ CONFIG_CRYPTO_PCBC=m # CONFIG_CRYPTO_MD4 is not set # CONFIG_CRYPTO_MD5 is not set # CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set # CONFIG_CRYPTO_SHA1 is not set # CONFIG_CRYPTO_SHA256 is not set # CONFIG_CRYPTO_SHA512 is not set @@ -1422,25 +1656,32 @@ CONFIG_CRYPTO_PCBC=m # Compression # # CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set # CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_HW=y # CONFIG_CRYPTO_DEV_HIFN_795X is not set +CONFIG_BINARY_PRINTF=y # # Library routines # CONFIG_BITREVERSE=y -# CONFIG_GENERIC_FIND_FIRST_BIT is not set -# CONFIG_GENERIC_FIND_NEXT_BIT is not set +CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set +CONFIG_CRC16=m +# CONFIG_CRC_T10DIF is not set CONFIG_CRC_ITU_T=m CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y +CONFIG_NLATTR=y From 815bcc2719c12b6f5b511706e2d19728e07f0b02 Mon Sep 17 00:00:00 2001 From: Jay Vosburgh Date: Mon, 4 May 2009 09:03:37 +0000 Subject: [PATCH 416/478] bonding: fix alb mode locking regression Fix locking issue in alb MAC address management; removed incorrect locking and replaced with correct locking. This bug was introduced in commit 059fe7a578fba5bbb0fdc0365bfcf6218fa25eb0 ("bonding: Convert locks to _bh, rework alb locking for new locking") Bug reported by Paul Smith , who also tested the fix. Signed-off-by: Jay Vosburgh Signed-off-by: David S. Miller --- drivers/net/bonding/bond_alb.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 553a89919778..46d312bedfb8 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1706,10 +1706,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave * Called with RTNL */ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) - __releases(&bond->curr_slave_lock) - __releases(&bond->lock) __acquires(&bond->lock) - __acquires(&bond->curr_slave_lock) + __releases(&bond->lock) { struct bonding *bond = netdev_priv(bond_dev); struct sockaddr *sa = addr; @@ -1745,9 +1743,6 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) } } - write_unlock_bh(&bond->curr_slave_lock); - read_unlock(&bond->lock); - if (swap_slave) { alb_swap_mac_addr(bond, swap_slave, bond->curr_active_slave); alb_fasten_mac_swap(bond, swap_slave, bond->curr_active_slave); @@ -1755,16 +1750,15 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr, bond->alb_info.rlb_enabled); + read_lock(&bond->lock); alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr); if (bond->alb_info.rlb_enabled) { /* inform clients mac address has changed */ rlb_req_update_slave_clients(bond, bond->curr_active_slave); } + read_unlock(&bond->lock); } - read_lock(&bond->lock); - write_lock_bh(&bond->curr_slave_lock); - return 0; } From e151a60ad1faffb6241cf7eb6846353df1f33a32 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Mon, 4 May 2009 11:19:42 +0000 Subject: [PATCH 417/478] e1000: fix virtualization bug a recent fix to e1000 (commit 15b2bee2) caused KVM/QEMU/VMware based virtualized e1000 interfaces to begin failing when resetting. This is because the driver in a virtual environment doesn't get to run instructions *AT ALL* when an interrupt is asserted. The interrupt code runs immediately and this recent bug fix allows an interrupt to be possible when the interrupt handler will reject it (due to the new code), when being called from any path in the driver that holds the E1000_RESETTING flag. the driver should use the __E1000_DOWN flag instead of the __E1000_RESETTING flag to prevent interrupt execution while reconfiguring the hardware. Signed-off-by: Jesse Brandeburg Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/e1000/e1000_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 6a46ceed9436..b1419e21b46b 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -3738,7 +3738,7 @@ static irqreturn_t e1000_intr(int irq, void *data) struct e1000_hw *hw = &adapter->hw; u32 rctl, icr = er32(ICR); - if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags))) + if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags))) return IRQ_NONE; /* Not our interrupt */ /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is From 4ccc28f725bc2b7b0a3bc27e9c15f4eaf63fb812 Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Tue, 5 May 2009 08:39:24 +0200 Subject: [PATCH 418/478] i2c: Timeouts off by 1 with while (timeout++ < MAX_TIMEOUT); timeout reaches MAX_TIMEOUT + 1 after the loop, so the tests below are off by one. Signed-off-by: Roel Kluin Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-ali1535.c | 2 +- drivers/i2c/busses/i2c-ali15x3.c | 2 +- drivers/i2c/busses/i2c-amd756.c | 4 ++-- drivers/i2c/busses/i2c-i801.c | 8 ++++---- drivers/i2c/busses/i2c-isch.c | 2 +- drivers/i2c/busses/i2c-nforce2.c | 2 +- drivers/i2c/busses/i2c-sis5595.c | 2 +- drivers/i2c/busses/i2c-sis630.c | 2 +- drivers/i2c/busses/i2c-sis96x.c | 2 +- 9 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index 981e080b32ae..d108450df064 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -284,7 +284,7 @@ static int ali1535_transaction(struct i2c_adapter *adap) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { result = -ETIMEDOUT; dev_err(&adap->dev, "SMBus Timeout!\n"); } diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c index 39066dee46e3..d627fceb790b 100644 --- a/drivers/i2c/busses/i2c-ali15x3.c +++ b/drivers/i2c/busses/i2c-ali15x3.c @@ -306,7 +306,7 @@ static int ali15x3_transaction(struct i2c_adapter *adap) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { result = -ETIMEDOUT; dev_err(&adap->dev, "SMBus Timeout!\n"); } diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index 220f4a1eee1d..f7d6fe9c49ba 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -126,7 +126,7 @@ static int amd756_transaction(struct i2c_adapter *adap) } while ((temp & (GS_HST_STS | GS_SMB_STS)) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "Busy wait timeout (%04x)\n", temp); goto abort; } @@ -143,7 +143,7 @@ static int amd756_transaction(struct i2c_adapter *adap) } while ((temp & GS_HST_STS) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "Completion timeout!\n"); goto abort; } diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 10411848fd70..9d2c5adf5d4f 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -237,7 +237,7 @@ static int i801_transaction(int xact) status = inb_p(SMBHSTSTS); } while ((status & SMBHSTSTS_HOST_BUSY) && (timeout++ < MAX_TIMEOUT)); - result = i801_check_post(status, timeout >= MAX_TIMEOUT); + result = i801_check_post(status, timeout > MAX_TIMEOUT); if (result < 0) return result; @@ -257,9 +257,9 @@ static void i801_wait_hwpec(void) } while ((!(status & SMBHSTSTS_INTR)) && (timeout++ < MAX_TIMEOUT)); - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) dev_dbg(&I801_dev->dev, "PEC Timeout!\n"); - } + outb_p(status, SMBHSTSTS); } @@ -344,7 +344,7 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data, while ((!(status & SMBHSTSTS_BYTE_DONE)) && (timeout++ < MAX_TIMEOUT)); - result = i801_check_post(status, timeout >= MAX_TIMEOUT); + result = i801_check_post(status, timeout > MAX_TIMEOUT); if (result < 0) return result; diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index b9c01aa90036..9f6b8e0f8632 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -112,7 +112,7 @@ static int sch_transaction(void) } while ((temp & 0x08) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_err(&sch_adapter.dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index 2ff4683703a8..ec11d1c4e77b 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -173,7 +173,7 @@ static int nforce2_check_status(struct i2c_adapter *adap) temp = inb_p(NVIDIA_SMB_STS); } while ((!temp) && (timeout++ < MAX_TIMEOUT)); - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "SMBus Timeout!\n"); if (smbus->can_abort) nforce2_abort(adap); diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c index f320ab27da46..139f0c7f12a4 100644 --- a/drivers/i2c/busses/i2c-sis5595.c +++ b/drivers/i2c/busses/i2c-sis5595.c @@ -256,7 +256,7 @@ static int sis5595_transaction(struct i2c_adapter *adap) } while (!(temp & 0x40) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index 50c3610e6028..70ca41e90e58 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -173,7 +173,7 @@ static int sis630_transaction_wait(struct i2c_adapter *adap, int size) } while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c index 7e1594b40579..8295885b2fdb 100644 --- a/drivers/i2c/busses/i2c-sis96x.c +++ b/drivers/i2c/busses/i2c-sis96x.c @@ -132,7 +132,7 @@ static int sis96x_transaction(int size) } while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&sis96x_adapter.dev, "SMBus Timeout! (0x%02x)\n", temp); result = -ETIMEDOUT; } From 0cdba07bb23cdd3e0d64357ec3d983e6b75e541f Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 5 May 2009 08:39:24 +0200 Subject: [PATCH 419/478] i2c-algo-bit: Fix timeout test When fetching DDC using i2c algo bit, we were often seeing timeouts before getting valid EDID on a retry. The VESA spec states 2ms is the DDC timeout, so when this translates into 1 jiffie and we are close to the end of the time period, it could return with a timeout less than 2ms. Change this code to use time_after instead of time_after_eq. Signed-off-by: Dave Airlie Signed-off-by: Jean Delvare --- drivers/i2c/algos/i2c-algo-bit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index d420cc5f5633..e25e13980af3 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -104,7 +104,7 @@ static int sclhi(struct i2c_algo_bit_data *adap) * chips may hold it low ("clock stretching") while they * are processing data internally. */ - if (time_after_eq(jiffies, start + adap->timeout)) + if (time_after(jiffies, start + adap->timeout)) return -ETIMEDOUT; cond_resched(); } From 2196d1cf4afab93fb64c2e5b417096e49b661612 Mon Sep 17 00:00:00 2001 From: Enrik Berkhan Date: Tue, 5 May 2009 08:39:25 +0200 Subject: [PATCH 420/478] i2c-algo-pca: Let PCA9564 recover from unacked data byte (state 0x30) Currently, the i2c-algo-pca driver does nothing if the chip enters state 0x30 (Data byte in I2CDAT has been transmitted; NOT ACK has been received). Thus, the i2c bus connected to the controller gets stuck afterwards. I have seen this kind of error on a custom board in certain load situations most probably caused by interference or noise. A possible reaction is to let the controller generate a STOP condition. This is documented in the PCA9564 data sheet (2006-09-01) and the same is done for other NACK states as well. Further, state 0x38 isn't handled completely, either. Try to do another START in this case like the data sheet says. As this couldn't be tested, I've added a comment to try to reset the chip if the START doesn't help as suggested by Wolfram Sang. Signed-off-by: Enrik Berkhan Reviewed-by: Wolfram Sang Signed-off-by: Jean Delvare --- drivers/i2c/algos/i2c-algo-pca.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 6318f7ddc1d4..78d42aae0089 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -287,10 +287,21 @@ static int pca_xfer(struct i2c_adapter *i2c_adap, case 0x30: /* Data byte in I2CDAT has been transmitted; NOT ACK has been received */ DEB2("NOT ACK received after data byte\n"); + pca_stop(adap); goto out; case 0x38: /* Arbitration lost during SLA+W, SLA+R or data bytes */ DEB2("Arbitration lost\n"); + /* + * The PCA9564 data sheet (2006-09-01) says "A + * START condition will be transmitted when the + * bus becomes free (STOP or SCL and SDA high)" + * when the STA bit is set (p. 11). + * + * In case this won't work, try pca_reset() + * instead. + */ + pca_start(adap); goto out; case 0x58: /* Data byte has been received; NOT ACK has been returned */ From de0096d80980e26fab16ac3eff57f47fadad92cb Mon Sep 17 00:00:00 2001 From: Martin Fuzzey Date: Thu, 26 Mar 2009 22:21:16 +0100 Subject: [PATCH 421/478] mxc : Clean up properly when imx_dma_free() used without imx_dma_disable() The sequence imx_dma_request() imx_dma_enable() imx_dma_free() left the dma channel in_use mode and did not release the timer. Signed-off-by: Martin Fuzzey Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/dma-mx1-mx2.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c index e364a5ed10f1..a9126ed7935a 100644 --- a/arch/arm/plat-mxc/dma-mx1-mx2.c +++ b/arch/arm/plat-mxc/dma-mx1-mx2.c @@ -737,10 +737,7 @@ void imx_dma_free(int channel) local_irq_save(flags); /* Disable interrupts */ - __raw_writel(__raw_readl(DMA_BASE + DMA_DIMR) | (1 << channel), - DMA_BASE + DMA_DIMR); - __raw_writel(__raw_readl(DMA_BASE + DMA_CCR(channel)) & ~CCR_CEN, - DMA_BASE + DMA_CCR(channel)); + imx_dma_disable(channel); imxdma->name = NULL; #ifdef CONFIG_ARCH_MX2 From f2292532a5f0cf6359adca349cdd2a0150581937 Mon Sep 17 00:00:00 2001 From: Martin Fuzzey Date: Thu, 26 Mar 2009 22:27:52 +0100 Subject: [PATCH 422/478] mxc : BUG in imx_dma_request On MX2 platforms imx_dma_request() calls request_irq() which may sleep with interrupts disabled. Signed-off-by: Martin Fuzzey Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/dma-mx1-mx2.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c index a9126ed7935a..77646436c00e 100644 --- a/arch/arm/plat-mxc/dma-mx1-mx2.c +++ b/arch/arm/plat-mxc/dma-mx1-mx2.c @@ -693,12 +693,15 @@ int imx_dma_request(int channel, const char *name) local_irq_restore(flags); return -EBUSY; } + memset(imxdma, 0, sizeof(imxdma)); + imxdma->name = name; + local_irq_restore(flags); /* request_irq() can block */ #ifdef CONFIG_ARCH_MX2 ret = request_irq(MXC_INT_DMACH0 + channel, dma_irq_handler, 0, "DMA", NULL); if (ret) { - local_irq_restore(flags); + imxdma->name = NULL; printk(KERN_CRIT "Can't register IRQ %d for DMA channel %d\n", MXC_INT_DMACH0 + channel, channel); return ret; @@ -708,13 +711,6 @@ int imx_dma_request(int channel, const char *name) imxdma->watchdog.data = channel; #endif - imxdma->name = name; - imxdma->irq_handler = NULL; - imxdma->err_handler = NULL; - imxdma->data = NULL; - imxdma->sg = NULL; - - local_irq_restore(flags); return ret; } EXPORT_SYMBOL(imx_dma_request); From 9abf137c6dbf6eabb3add98fcd8352c3dd520568 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Thu, 16 Apr 2009 14:12:54 +0200 Subject: [PATCH 423/478] ARM: ARCH_MXC should select HAVE_CLK All i.MX platforms support calls and should select HAVE_CLK. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Sascha Hauer --- arch/arm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9faccc411c2a..e60ec54df334 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -454,6 +454,7 @@ config ARCH_MXC select ARCH_MTD_XIP select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB + select HAVE_CLK help Support for Freescale MXC/iMX-based family of processors From f1fd4c64af58ec28d29bced9e94ecf6d5177c2b0 Mon Sep 17 00:00:00 2001 From: Valentin Longchamp Date: Fri, 17 Apr 2009 15:20:26 +0200 Subject: [PATCH 424/478] mx31: remove mx31moboard_defconfig We want to have a mx31_defconfig file that builds a kernel that is able to boot on all support mx31 systems and thus also can be better tested by automatic build scripts. For these reasons, this config file is not needed anymore. Signed-off-by: Valentin Longchamp Signed-off-by: Sascha Hauer --- arch/arm/configs/mx31moboard_defconfig | 790 ------------------------- 1 file changed, 790 deletions(-) delete mode 100644 arch/arm/configs/mx31moboard_defconfig diff --git a/arch/arm/configs/mx31moboard_defconfig b/arch/arm/configs/mx31moboard_defconfig deleted file mode 100644 index e90f86d6deef..000000000000 --- a/arch/arm/configs/mx31moboard_defconfig +++ /dev/null @@ -1,790 +0,0 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.27-rc5 -# Fri Oct 24 11:41:22 2008 -# -CONFIG_ARM=y -CONFIG_SYS_SUPPORTS_APM_EMULATION=y -CONFIG_GENERIC_GPIO=y -CONFIG_GENERIC_TIME=y -CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_MMU=y -# CONFIG_NO_IOPORT is not set -CONFIG_GENERIC_HARDIRQS=y -CONFIG_STACKTRACE_SUPPORT=y -CONFIG_HAVE_LATENCYTOP_SUPPORT=y -CONFIG_LOCKDEP_SUPPORT=y -CONFIG_TRACE_IRQFLAGS_SUPPORT=y -CONFIG_HARDIRQS_SW_RESEND=y -CONFIG_GENERIC_IRQ_PROBE=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_ARCH_SUPPORTS_AOUT=y -CONFIG_ZONE_DMA=y -CONFIG_ARCH_MTD_XIP=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y -CONFIG_VECTORS_BASE=0xffff0000 -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# -CONFIG_EXPERIMENTAL=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_LOCK_KERNEL=y -CONFIG_INIT_ENV_ARG_LIMIT=32 -CONFIG_LOCALVERSION="" -CONFIG_LOCALVERSION_AUTO=y -CONFIG_SWAP=y -CONFIG_SYSVIPC=y -CONFIG_SYSVIPC_SYSCTL=y -# CONFIG_POSIX_MQUEUE is not set -# CONFIG_BSD_PROCESS_ACCT is not set -# CONFIG_TASKSTATS is not set -# CONFIG_AUDIT is not set -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CGROUPS is not set -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y -# CONFIG_RELAY is not set -# CONFIG_NAMESPACES is not set -# CONFIG_BLK_DEV_INITRD is not set -CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_SYSCTL=y -CONFIG_EMBEDDED=y -CONFIG_UID16=y -CONFIG_SYSCTL_SYSCALL=y -CONFIG_KALLSYMS=y -# CONFIG_KALLSYMS_EXTRA_PASS is not set -CONFIG_HOTPLUG=y -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_COMPAT_BRK=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_ANON_INODES=y -CONFIG_EPOLL=y -CONFIG_SIGNALFD=y -CONFIG_TIMERFD=y -CONFIG_EVENTFD=y -CONFIG_SHMEM=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_SLAB=y -# CONFIG_SLUB is not set -# CONFIG_SLOB is not set -# CONFIG_PROFILING is not set -# CONFIG_MARKERS is not set -CONFIG_HAVE_OPROFILE=y -# CONFIG_KPROBES is not set -# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set -# CONFIG_HAVE_IOREMAP_PROT is not set -CONFIG_HAVE_KPROBES=y -CONFIG_HAVE_KRETPROBES=y -# CONFIG_HAVE_ARCH_TRACEHOOK is not set -# CONFIG_HAVE_DMA_ATTRS is not set -# CONFIG_USE_GENERIC_SMP_HELPERS is not set -# CONFIG_HAVE_CLK is not set -CONFIG_PROC_PAGE_MONITOR=y -CONFIG_HAVE_GENERIC_DMA_COHERENT=y -CONFIG_SLABINFO=y -CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 -CONFIG_MODULES=y -# CONFIG_MODULE_FORCE_LOAD is not set -CONFIG_MODULE_UNLOAD=y -CONFIG_MODULE_FORCE_UNLOAD=y -CONFIG_MODVERSIONS=y -# CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y -CONFIG_BLOCK=y -# CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set -# CONFIG_BLK_DEV_BSG is not set -# CONFIG_BLK_DEV_INTEGRITY is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_CLASSIC_RCU=y - -# -# System Type -# -# CONFIG_ARCH_AAEC2000 is not set -# CONFIG_ARCH_INTEGRATOR is not set -# CONFIG_ARCH_REALVIEW is not set -# CONFIG_ARCH_VERSATILE is not set -# CONFIG_ARCH_AT91 is not set -# CONFIG_ARCH_CLPS7500 is not set -# CONFIG_ARCH_CLPS711X is not set -# CONFIG_ARCH_EBSA110 is not set -# CONFIG_ARCH_EP93XX is not set -# CONFIG_ARCH_FOOTBRIDGE is not set -# CONFIG_ARCH_NETX is not set -# CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_IMX is not set -# CONFIG_ARCH_IOP13XX is not set -# CONFIG_ARCH_IOP32X is not set -# CONFIG_ARCH_IOP33X is not set -# CONFIG_ARCH_IXP23XX is not set -# CONFIG_ARCH_IXP2000 is not set -# CONFIG_ARCH_IXP4XX is not set -# CONFIG_ARCH_L7200 is not set -# CONFIG_ARCH_KIRKWOOD is not set -# CONFIG_ARCH_KS8695 is not set -# CONFIG_ARCH_NS9XXX is not set -# CONFIG_ARCH_LOKI is not set -# CONFIG_ARCH_MV78XX0 is not set -CONFIG_ARCH_MXC=y -# CONFIG_ARCH_ORION5X is not set -# CONFIG_ARCH_PNX4008 is not set -# CONFIG_ARCH_PXA is not set -# CONFIG_ARCH_RPC is not set -# CONFIG_ARCH_SA1100 is not set -# CONFIG_ARCH_S3C2410 is not set -# CONFIG_ARCH_SHARK is not set -# CONFIG_ARCH_LH7A40X is not set -# CONFIG_ARCH_DAVINCI is not set -# CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_MSM7X00A is not set - -# -# Boot options -# - -# -# Power management -# - -# -# Freescale MXC Implementations -# -# CONFIG_ARCH_MX2 is not set -CONFIG_ARCH_MX3=y - -# -# MX3 Options -# -# CONFIG_MACH_MX31ADS is not set -# CONFIG_MACH_PCM037 is not set -# CONFIG_MACH_MX31LITE is not set -CONFIG_MACH_MX31MOBOARD=y -# CONFIG_MXC_IRQ_PRIOR is not set - -# -# Processor Type -# -CONFIG_CPU_32=y -CONFIG_CPU_V6=y -# CONFIG_CPU_32v6K is not set -CONFIG_CPU_32v6=y -CONFIG_CPU_ABRT_EV6=y -CONFIG_CPU_PABRT_NOIFAR=y -CONFIG_CPU_CACHE_V6=y -CONFIG_CPU_CACHE_VIPT=y -CONFIG_CPU_COPY_V6=y -CONFIG_CPU_TLB_V6=y -CONFIG_CPU_HAS_ASID=y -CONFIG_CPU_CP15=y -CONFIG_CPU_CP15_MMU=y - -# -# Processor Features -# -CONFIG_ARM_THUMB=y -# CONFIG_CPU_ICACHE_DISABLE is not set -# CONFIG_CPU_DCACHE_DISABLE is not set -# CONFIG_CPU_BPREDICT_DISABLE is not set -# CONFIG_OUTER_CACHE is not set - -# -# Bus support -# -# CONFIG_PCI_SYSCALL is not set -# CONFIG_ARCH_SUPPORTS_MSI is not set -# CONFIG_PCCARD is not set - -# -# Kernel Features -# -CONFIG_TICK_ONESHOT=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y -CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -CONFIG_PREEMPT=y -CONFIG_HZ=100 -CONFIG_AEABI=y -# CONFIG_OABI_COMPAT is not set -CONFIG_ARCH_FLATMEM_HAS_HOLES=y -# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set -CONFIG_PAGEFLAGS_EXTENDED=y -CONFIG_SPLIT_PTLOCK_CPUS=4 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y -CONFIG_VIRT_TO_BUS=y -CONFIG_ALIGNMENT_TRAP=y - -# -# Boot options -# -CONFIG_ZBOOT_ROM_TEXT=0x0 -CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off" -# CONFIG_XIP_KERNEL is not set -# CONFIG_KEXEC is not set - -# -# Floating point emulation -# - -# -# At least one emulation must be selected -# -CONFIG_VFP=y - -# -# Userspace binary formats -# -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_AOUT is not set -# CONFIG_BINFMT_MISC is not set - -# -# Power management options -# -# CONFIG_PM is not set -CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_FIB_HASH=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set -# CONFIG_INET_XFRM_MODE_TRANSPORT is not set -# CONFIG_INET_XFRM_MODE_TUNNEL is not set -# CONFIG_INET_XFRM_MODE_BEET is not set -# CONFIG_INET_LRO is not set -# CONFIG_INET_DIAG is not set -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_CUBIC=y -CONFIG_DEFAULT_TCP_CONG="cubic" -# CONFIG_TCP_MD5SIG is not set -# CONFIG_IPV6 is not set -# CONFIG_NETWORK_SECMARK is not set -# CONFIG_NETFILTER is not set -# CONFIG_IP_DCCP is not set -# CONFIG_IP_SCTP is not set -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_HAMRADIO is not set -# CONFIG_CAN is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_AF_RXRPC is not set - -# -# Wireless -# -# CONFIG_CFG80211 is not set -# CONFIG_WIRELESS_EXT is not set -# CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set -# CONFIG_RFKILL is not set -# CONFIG_NET_9P is not set - -# -# Device Drivers -# - -# -# Generic Driver Options -# -CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=m -CONFIG_FIRMWARE_IN_KERNEL=y -CONFIG_EXTRA_FIRMWARE="" -# CONFIG_SYS_HYPERVISOR is not set -# CONFIG_CONNECTOR is not set -CONFIG_MTD=y -# CONFIG_MTD_DEBUG is not set -# CONFIG_MTD_CONCAT is not set -CONFIG_MTD_PARTITIONS=y -CONFIG_MTD_REDBOOT_PARTS=y -CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1 -# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set -CONFIG_MTD_REDBOOT_PARTS_READONLY=y -# CONFIG_MTD_CMDLINE_PARTS is not set -# CONFIG_MTD_AFS_PARTS is not set -# CONFIG_MTD_AR7_PARTS is not set - -# -# User Modules And Translation Layers -# -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLKDEVS=y -CONFIG_MTD_BLOCK=y -# CONFIG_FTL is not set -# CONFIG_NFTL is not set -# CONFIG_INFTL is not set -# CONFIG_RFD_FTL is not set -# CONFIG_SSFDC is not set -# CONFIG_MTD_OOPS is not set - -# -# RAM/ROM/Flash chip drivers -# -CONFIG_MTD_CFI=y -# CONFIG_MTD_JEDECPROBE is not set -CONFIG_MTD_GEN_PROBE=y -CONFIG_MTD_CFI_ADV_OPTIONS=y -CONFIG_MTD_CFI_NOSWAP=y -# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set -# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set -CONFIG_MTD_CFI_GEOMETRY=y -# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set -CONFIG_MTD_MAP_BANK_WIDTH_2=y -# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -CONFIG_MTD_CFI_I1=y -# CONFIG_MTD_CFI_I2 is not set -# CONFIG_MTD_CFI_I4 is not set -# CONFIG_MTD_CFI_I8 is not set -# CONFIG_MTD_OTP is not set -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CFI_AMDSTD=y -# CONFIG_MTD_CFI_STAA is not set -CONFIG_MTD_CFI_UTIL=y -# CONFIG_MTD_RAM is not set -# CONFIG_MTD_ROM is not set -# CONFIG_MTD_ABSENT is not set -# CONFIG_MTD_XIP is not set - -# -# Mapping drivers for chip access -# -# CONFIG_MTD_COMPLEX_MAPPINGS is not set -CONFIG_MTD_PHYSMAP=y -CONFIG_MTD_PHYSMAP_START=0x0 -CONFIG_MTD_PHYSMAP_LEN=0x0 -CONFIG_MTD_PHYSMAP_BANKWIDTH=2 -# CONFIG_MTD_ARM_INTEGRATOR is not set -# CONFIG_MTD_PLATRAM is not set - -# -# Self-contained MTD device drivers -# -# CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_PHRAM is not set -# CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLOCK2MTD is not set - -# -# Disk-On-Chip Device Drivers -# -# CONFIG_MTD_DOC2000 is not set -# CONFIG_MTD_DOC2001 is not set -# CONFIG_MTD_DOC2001PLUS is not set -# CONFIG_MTD_NAND is not set -# CONFIG_MTD_ONENAND is not set - -# -# UBI - Unsorted block images -# -# CONFIG_MTD_UBI is not set -# CONFIG_PARPORT is not set -# CONFIG_BLK_DEV is not set -# CONFIG_MISC_DEVICES is not set -CONFIG_HAVE_IDE=y -# CONFIG_IDE is not set - -# -# SCSI device support -# -# CONFIG_RAID_ATTRS is not set -# CONFIG_SCSI is not set -# CONFIG_SCSI_DMA is not set -# CONFIG_SCSI_NETLINK is not set -# CONFIG_ATA is not set -# CONFIG_MD is not set -CONFIG_NETDEVICES=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -# CONFIG_PHYLIB is not set -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_AX88796 is not set -CONFIG_SMC91X=y -# CONFIG_DM9000 is not set -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -# CONFIG_B44 is not set -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set -# CONFIG_IWLWIFI_LEDS is not set -# CONFIG_WAN is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_NETCONSOLE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_ISDN is not set - -# -# Input device support -# -# CONFIG_INPUT is not set - -# -# Hardware I/O ports -# -# CONFIG_SERIO is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# -# CONFIG_VT is not set -CONFIG_DEVKMEM=y -# CONFIG_SERIAL_NONSTANDARD is not set - -# -# Serial drivers -# -# CONFIG_SERIAL_8250 is not set - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_IMX=y -CONFIG_SERIAL_IMX_CONSOLE=y -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -CONFIG_UNIX98_PTYS=y -# CONFIG_LEGACY_PTYS is not set -# CONFIG_IPMI_HANDLER is not set -# CONFIG_HW_RANDOM is not set -# CONFIG_NVRAM is not set -# CONFIG_R3964 is not set -# CONFIG_RAW_DRIVER is not set -# CONFIG_TCG_TPM is not set -# CONFIG_I2C is not set -# CONFIG_SPI is not set -CONFIG_ARCH_REQUIRE_GPIOLIB=y -CONFIG_GPIOLIB=y -# CONFIG_GPIO_SYSFS is not set - -# -# I2C GPIO expanders: -# - -# -# PCI GPIO expanders: -# - -# -# SPI GPIO expanders: -# -# CONFIG_W1 is not set -# CONFIG_POWER_SUPPLY is not set -# CONFIG_HWMON is not set -# CONFIG_WATCHDOG is not set - -# -# Sonics Silicon Backplane -# -CONFIG_SSB_POSSIBLE=y -# CONFIG_SSB is not set - -# -# Multifunction device drivers -# -# CONFIG_MFD_CORE is not set -# CONFIG_MFD_SM501 is not set -# CONFIG_HTC_EGPIO is not set -# CONFIG_HTC_PASIC3 is not set -# CONFIG_MFD_TMIO is not set -# CONFIG_MFD_T7L66XB is not set -# CONFIG_MFD_TC6387XB is not set -# CONFIG_MFD_TC6393XB is not set - -# -# Multimedia devices -# - -# -# Multimedia core support -# -# CONFIG_VIDEO_DEV is not set -# CONFIG_DVB_CORE is not set -# CONFIG_VIDEO_MEDIA is not set - -# -# Multimedia drivers -# -# CONFIG_DAB is not set - -# -# Graphics support -# -# CONFIG_VGASTATE is not set -# CONFIG_VIDEO_OUTPUT_CONTROL is not set -# CONFIG_FB is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set - -# -# Display device support -# -# CONFIG_DISPLAY_SUPPORT is not set -# CONFIG_SOUND is not set -# CONFIG_USB_SUPPORT is not set -# CONFIG_MMC is not set -# CONFIG_NEW_LEDS is not set -CONFIG_RTC_LIB=y -# CONFIG_RTC_CLASS is not set -# CONFIG_DMADEVICES is not set - -# -# Voltage and Current regulators -# -# CONFIG_REGULATOR is not set -# CONFIG_REGULATOR_FIXED_VOLTAGE is not set -# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set -# CONFIG_REGULATOR_BQ24022 is not set -# CONFIG_UIO is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set -# CONFIG_EXT3_FS is not set -# CONFIG_EXT4DEV_FS is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -# CONFIG_FS_POSIX_ACL is not set -# CONFIG_XFS_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_DNOTIFY is not set -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set -# CONFIG_FUSE_FS is not set - -# -# CD-ROM/DVD Filesystems -# -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -# CONFIG_MSDOS_FS is not set -# CONFIG_VFAT_FS is not set -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y -CONFIG_PROC_SYSCTL=y -CONFIG_SYSFS=y -CONFIG_TMPFS=y -# CONFIG_TMPFS_POSIX_ACL is not set -# CONFIG_HUGETLB_PAGE is not set -# CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set -CONFIG_JFFS2_FS=y -CONFIG_JFFS2_FS_DEBUG=0 -CONFIG_JFFS2_FS_WRITEBUFFER=y -# CONFIG_JFFS2_FS_WBUF_VERIFY is not set -# CONFIG_JFFS2_SUMMARY is not set -# CONFIG_JFFS2_FS_XATTR is not set -# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set -CONFIG_JFFS2_ZLIB=y -# CONFIG_JFFS2_LZO is not set -CONFIG_JFFS2_RTIME=y -# CONFIG_JFFS2_RUBIN is not set -# CONFIG_CRAMFS is not set -# CONFIG_VXFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_OMFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set -CONFIG_NETWORK_FILESYSTEMS=y -CONFIG_NFS_FS=y -# CONFIG_NFS_V3 is not set -# CONFIG_NFS_V4 is not set -CONFIG_ROOT_NFS=y -# CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set -# CONFIG_DLM is not set - -# -# Kernel hacking -# -# CONFIG_PRINTK_TIME is not set -# CONFIG_ENABLE_WARN_DEPRECATED is not set -# CONFIG_ENABLE_MUST_CHECK is not set -CONFIG_FRAME_WARN=1024 -# CONFIG_MAGIC_SYSRQ is not set -# CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_HEADERS_CHECK is not set -# CONFIG_DEBUG_KERNEL is not set -# CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_DEBUG_MEMORY_INIT is not set -CONFIG_FRAME_POINTER=y -# CONFIG_LATENCYTOP is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_HAVE_FTRACE=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -# CONFIG_FTRACE is not set -# CONFIG_IRQSOFF_TRACER is not set -# CONFIG_PREEMPT_TRACER is not set -# CONFIG_SCHED_TRACER is not set -# CONFIG_CONTEXT_SWITCH_TRACER is not set -# CONFIG_SAMPLES is not set -CONFIG_HAVE_ARCH_KGDB=y -# CONFIG_DEBUG_USER is not set - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set -# CONFIG_CRYPTO is not set - -# -# Library routines -# -CONFIG_BITREVERSE=y -# CONFIG_GENERIC_FIND_FIRST_BIT is not set -# CONFIG_GENERIC_FIND_NEXT_BIT is not set -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set -# CONFIG_CRC_T10DIF is not set -# CONFIG_CRC_ITU_T is not set -CONFIG_CRC32=y -# CONFIG_CRC7 is not set -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT=y -CONFIG_HAS_DMA=y From e2c97e7fdc9d71637840dea8f76eb3782c3b2023 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 21 Apr 2009 12:39:59 +0200 Subject: [PATCH 425/478] MXC: remove BUG_ON in interrupt handler On i.MX31 I sometimes get spurious interrupts. There is no need to crash the whole system when this happens. Instead, silently ignore it. Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c index c6483bad8a26..89e95798cc3b 100644 --- a/arch/arm/plat-mxc/gpio.c +++ b/arch/arm/plat-mxc/gpio.c @@ -124,7 +124,7 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) irq_stat = __raw_readl(port->base + GPIO_ISR) & __raw_readl(port->base + GPIO_IMR); - BUG_ON(!irq_stat); + mxc_gpio_irq_handler(port, irq_stat); } #endif From 7b9020badf78327b3fcb567b466a1dd4d33710ce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Tue, 21 Apr 2009 22:56:14 +0200 Subject: [PATCH 426/478] mx27ads: move PBC mapping out of vmalloc space MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Before this patch I got the following line in my dmesg: [ 0.000000] BUG: mapping for 0xd4000000 at 0xeb000000 overlaps vmalloc space VMALLOC_END is 0xf4000000 and there are the following other mappings defined for mx27ads: (0xa0500000,+0x00001000) maps to 0xffff0000 (0x10000000,+0x00100000) maps to 0xf4000000 (0x80000000,+0x00100000) maps to 0xf4100000 (0xd8000000,+0x00100000) maps to 0xf4200000 So map PBC to 0xf4300000. Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/include/mach/board-mx27ads.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/plat-mxc/include/mach/board-mx27ads.h b/arch/arm/plat-mxc/include/mach/board-mx27ads.h index 1cac9d1135cd..d42f4e6116f8 100644 --- a/arch/arm/plat-mxc/include/mach/board-mx27ads.h +++ b/arch/arm/plat-mxc/include/mach/board-mx27ads.h @@ -47,7 +47,7 @@ /* * Base address of PBC controller, CS4 */ -#define PBC_BASE_ADDRESS 0xEB000000 +#define PBC_BASE_ADDRESS 0xf4300000 #define PBC_REG_ADDR(offset) (void __force __iomem *) \ (PBC_BASE_ADDRESS + (offset)) From b09de4209d179c92ab880d911e72a892d053ff01 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 8 Apr 2009 11:45:47 +0200 Subject: [PATCH 427/478] mx3fb: Fix compilation with CONFIG_PM Signed-off-by: Sascha Hauer --- drivers/video/mx3fb.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index 21b3692092f2..9894de1c9b9f 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -1152,11 +1152,11 @@ static struct fb_ops mx3fb_ops = { */ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state) { - struct mx3fb_data *drv_data = platform_get_drvdata(pdev); - struct mx3fb_info *mx3_fbi = drv_data->fbi->par; + struct mx3fb_data *mx3fb = platform_get_drvdata(pdev); + struct mx3fb_info *mx3_fbi = mx3fb->fbi->par; acquire_console_sem(); - fb_set_suspend(drv_data->fbi, 1); + fb_set_suspend(mx3fb->fbi, 1); release_console_sem(); if (mx3_fbi->blank == FB_BLANK_UNBLANK) { @@ -1172,16 +1172,16 @@ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state) */ static int mx3fb_resume(struct platform_device *pdev) { - struct mx3fb_data *drv_data = platform_get_drvdata(pdev); - struct mx3fb_info *mx3_fbi = drv_data->fbi->par; + struct mx3fb_data *mx3fb = platform_get_drvdata(pdev); + struct mx3fb_info *mx3_fbi = mx3fb->fbi->par; if (mx3_fbi->blank == FB_BLANK_UNBLANK) { sdc_enable_channel(mx3_fbi); - sdc_set_brightness(mx3fb, drv_data->backlight_level); + sdc_set_brightness(mx3fb, mx3fb->backlight_level); } acquire_console_sem(); - fb_set_suspend(drv_data->fbi, 0); + fb_set_suspend(mx3fb->fbi, 0); release_console_sem(); return 0; From 25971dfe3a9d14c3b91fc51de96d7f48da394c99 Mon Sep 17 00:00:00 2001 From: Magnus Lilja Date: Sat, 18 Apr 2009 18:20:50 +0200 Subject: [PATCH 428/478] i.MX31: Disable CPU_32v6K in mx3_defconfig. The i.MX31 ARM11 core is not a v6K core. Disable this option as it is incompatible with non v6K cores. Signed-off-by: Magnus Lilja Signed-off-by: Sascha Hauer --- arch/arm/configs/mx3_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/configs/mx3_defconfig b/arch/arm/configs/mx3_defconfig index 72a8201a5370..20ada526f6de 100644 --- a/arch/arm/configs/mx3_defconfig +++ b/arch/arm/configs/mx3_defconfig @@ -197,7 +197,7 @@ CONFIG_MXC_PWM=y # CONFIG_CPU_32=y CONFIG_CPU_V6=y -CONFIG_CPU_32v6K=y +# CONFIG_CPU_32v6K is not set CONFIG_CPU_32v6=y CONFIG_CPU_ABRT_EV6=y CONFIG_CPU_PABRT_NOIFAR=y From 0692698cb7369ea1ce74f3f87f70baf5072f8a37 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Tue, 5 May 2009 13:57:52 +0100 Subject: [PATCH 429/478] [IA64] xen_domu_defconfig: fix build issues/warnings - drivers/xen/events.c did not compile - xen_setup_hook caused a modpost section warning - the use of u64 (instead of unsigned long long) together with a %llu in drivers/xen/balloon.c caused a compiler warning Signed-off-by: Jan Beulich Signed-off-by: Tony Luck --- arch/ia64/include/asm/idle.h | 7 +++++++ arch/ia64/include/asm/xen/events.h | 7 +------ arch/ia64/xen/xensetup.S | 2 -- drivers/xen/balloon.c | 3 ++- 4 files changed, 10 insertions(+), 9 deletions(-) create mode 100644 arch/ia64/include/asm/idle.h diff --git a/arch/ia64/include/asm/idle.h b/arch/ia64/include/asm/idle.h new file mode 100644 index 000000000000..b7685015a8ba --- /dev/null +++ b/arch/ia64/include/asm/idle.h @@ -0,0 +1,7 @@ +#ifndef _ASM_IA64_IDLE_H +#define _ASM_IA64_IDLE_H + +static inline void enter_idle(void) { } +static inline void exit_idle(void) { } + +#endif /* _ASM_IA64_IDLE_H */ diff --git a/arch/ia64/include/asm/xen/events.h b/arch/ia64/include/asm/xen/events.h index 73248781fba8..b8370c8b6198 100644 --- a/arch/ia64/include/asm/xen/events.h +++ b/arch/ia64/include/asm/xen/events.h @@ -36,14 +36,9 @@ static inline int xen_irqs_disabled(struct pt_regs *regs) return !(ia64_psr(regs)->i); } -static inline void xen_do_IRQ(int irq, struct pt_regs *regs) +static inline void handle_irq(int irq, struct pt_regs *regs) { - struct pt_regs *old_regs; - old_regs = set_irq_regs(regs); - irq_enter(); __do_IRQ(irq); - irq_exit(); - set_irq_regs(old_regs); } #define irq_ctx_init(cpu) do { } while (0) diff --git a/arch/ia64/xen/xensetup.S b/arch/ia64/xen/xensetup.S index 28fed1fcc079..aff8346ea193 100644 --- a/arch/ia64/xen/xensetup.S +++ b/arch/ia64/xen/xensetup.S @@ -54,8 +54,6 @@ END(startup_xen) #define isBP p3 // are we the Bootstrap Processor? - .text - GLOBAL_ENTRY(xen_setup_hook) mov r8=XEN_PV_DOMAIN_ASM (isBP) movl r9=xen_domain_type;; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index efa4b363ce72..f5bbd9e83416 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -513,7 +513,8 @@ static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr char *buf) { return sprintf(buf, "%llu\n", - (u64)balloon_stats.target_pages << PAGE_SHIFT); + (unsigned long long)balloon_stats.target_pages + << PAGE_SHIFT); } static ssize_t store_target(struct sys_device *dev, From a425a638c858fd10370b573bde81df3ba500e271 Mon Sep 17 00:00:00 2001 From: Mel Gorman Date: Tue, 5 May 2009 16:37:17 +0100 Subject: [PATCH 430/478] Ignore madvise(MADV_WILLNEED) for hugetlbfs-backed regions madvise(MADV_WILLNEED) forces page cache readahead on a range of memory backed by a file. The assumption is made that the page required is order-0 and "normal" page cache. On hugetlbfs, this assumption is not true and order-0 pages are allocated and inserted into the hugetlbfs page cache. This leaks hugetlbfs page reservations and can cause BUGs to trigger related to corrupted page tables. This patch causes MADV_WILLNEED to be ignored for hugetlbfs-backed regions. Signed-off-by: Mel Gorman Cc: stable@kernel.org Signed-off-by: Linus Torvalds --- mm/madvise.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mm/madvise.c b/mm/madvise.c index b9ce574827c8..36d6ea2b6340 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -112,6 +112,14 @@ static long madvise_willneed(struct vm_area_struct * vma, if (!file) return -EBADF; + /* + * Page cache readahead assumes page cache pages are order-0 which + * is not the case for hugetlbfs. Do not give a bad return value + * but ignore the advice. + */ + if (vma->vm_flags & VM_HUGETLB) + return 0; + if (file->f_mapping->a_ops->get_xip_mem) { /* no bad return value, but ignore advice */ return 0; From 42beefc0093725ec0f8cea340cc54c36ccaceea0 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 6 May 2009 09:04:52 +1000 Subject: [PATCH 431/478] drm/r128: fix r128 ioremaps to use ioremap_wc. This should allow r128 to start working again since PAT changes. taken from F-11 kernel. Signed-off-by: Dave Airlie --- drivers/gpu/drm/r128/r128_cce.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c index 32de4cedc363..077c0455a6b9 100644 --- a/drivers/gpu/drm/r128/r128_cce.c +++ b/drivers/gpu/drm/r128/r128_cce.c @@ -511,9 +511,9 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init) #if __OS_HAS_AGP if (!dev_priv->is_pci) { - drm_core_ioremap(dev_priv->cce_ring, dev); - drm_core_ioremap(dev_priv->ring_rptr, dev); - drm_core_ioremap(dev->agp_buffer_map, dev); + drm_core_ioremap_wc(dev_priv->cce_ring, dev); + drm_core_ioremap_wc(dev_priv->ring_rptr, dev); + drm_core_ioremap_wc(dev->agp_buffer_map, dev); if (!dev_priv->cce_ring->handle || !dev_priv->ring_rptr->handle || !dev->agp_buffer_map->handle) { From 844823cb822932d2c599abf38692e3d6a5b5a320 Mon Sep 17 00:00:00 2001 From: Steve French Date: Wed, 6 May 2009 00:48:30 +0000 Subject: [PATCH 432/478] [CIFS] Fix SMB uid in NTLMSSP authenticate request We were not setting the SMB uid in NTLMSSP authenticate request which could lead to INVALID_PARAMETER error on 2nd session setup. Signed-off-by: Steve French --- fs/cifs/sess.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index e68744e169b3..897a052270f9 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -822,6 +822,10 @@ ssetup_ntlmssp_authenticate: nls_cp, first_time); iov[1].iov_len = blob_len; + /* Make sure that we tell the server that we + are using the uid that it just gave us back + on the response (challenge) */ + smb_buf->Uid = ses->Suid; } else { cERROR(1, ("invalid phase %d", phase)); rc = -ENOSYS; From ac68392460ffefed13020967bae04edc4d3add06 Mon Sep 17 00:00:00 2001 From: Steve French Date: Wed, 6 May 2009 04:16:04 +0000 Subject: [PATCH 433/478] [CIFS] Allow raw ntlmssp code to be enabled with sec=ntlmssp On mount, "sec=ntlmssp" can now be specified to allow "rawntlmssp" security to be enabled during CIFS session establishment/authentication (ntlmssp used to require specifying krb5 which was counterintuitive). Signed-off-by: Steve French --- fs/cifs/README | 10 +++++++++- fs/cifs/cifsglob.h | 16 +++++++++------- fs/cifs/cifssmb.c | 10 ++++++++++ fs/cifs/connect.c | 7 +++++++ 4 files changed, 35 insertions(+), 8 deletions(-) diff --git a/fs/cifs/README b/fs/cifs/README index 07434181623b..db208ddb9899 100644 --- a/fs/cifs/README +++ b/fs/cifs/README @@ -651,7 +651,15 @@ Experimental When set to 1 used to enable certain experimental signing turned on in case buffer was modified just before it was sent, also this flag will be used to use the new experimental directory change - notification code). + notification code). When set to 2 enables + an additional experimental feature, "raw ntlmssp" + session establishment support (which allows + specifying "sec=ntlmssp" on mount). The Linux cifs + module will use ntlmv2 authentication encapsulated + in "raw ntlmssp" (not using SPNEGO) when + "sec=ntlmssp" is specified on mount. + This support also requires building cifs with + the CONFIG_CIFS_EXPERIMENTAL configuration flag. These experimental features and tracing can be enabled by changing flags in /proc/fs/cifs (after the cifs module has been installed or built into the diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index df40ab64cd95..a61ab772c6f6 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -82,8 +82,8 @@ enum securityEnum { LANMAN, /* Legacy LANMAN auth */ NTLM, /* Legacy NTLM012 auth with NTLM hash */ NTLMv2, /* Legacy NTLM auth with NTLMv2 hash */ - RawNTLMSSP, /* NTLMSSP without SPNEGO */ - NTLMSSP, /* NTLMSSP via SPNEGO */ + RawNTLMSSP, /* NTLMSSP without SPNEGO, NTLMv2 hash */ + NTLMSSP, /* NTLMSSP via SPNEGO, NTLMv2 hash */ Kerberos, /* Kerberos via SPNEGO */ MSKerberos, /* MS Kerberos via SPNEGO */ }; @@ -531,6 +531,7 @@ static inline void free_dfs_info_array(struct dfs_info3_param *param, #define CIFSSEC_MAY_PLNTXT 0 #endif /* weak passwords */ #define CIFSSEC_MAY_SEAL 0x00040 /* not supported yet */ +#define CIFSSEC_MAY_NTLMSSP 0x00080 /* raw ntlmssp with ntlmv2 */ #define CIFSSEC_MUST_SIGN 0x01001 /* note that only one of the following can be set so the @@ -543,22 +544,23 @@ require use of the stronger protocol */ #define CIFSSEC_MUST_LANMAN 0x10010 #define CIFSSEC_MUST_PLNTXT 0x20020 #ifdef CONFIG_CIFS_UPCALL -#define CIFSSEC_MASK 0x3F03F /* allows weak security but also krb5 */ +#define CIFSSEC_MASK 0xAF0AF /* allows weak security but also krb5 */ #else -#define CIFSSEC_MASK 0x37037 /* current flags supported if weak */ +#define CIFSSEC_MASK 0xA70A7 /* current flags supported if weak */ #endif /* UPCALL */ #else /* do not allow weak pw hash */ #ifdef CONFIG_CIFS_UPCALL -#define CIFSSEC_MASK 0x0F00F /* flags supported if no weak allowed */ +#define CIFSSEC_MASK 0x8F08F /* flags supported if no weak allowed */ #else -#define CIFSSEC_MASK 0x07007 /* flags supported if no weak allowed */ +#define CIFSSEC_MASK 0x87087 /* flags supported if no weak allowed */ #endif /* UPCALL */ #endif /* WEAK_PW_HASH */ #define CIFSSEC_MUST_SEAL 0x40040 /* not supported yet */ +#define CIFSSEC_MUST_NTLMSSP 0x80080 /* raw ntlmssp with ntlmv2 */ #define CIFSSEC_DEF (CIFSSEC_MAY_SIGN | CIFSSEC_MAY_NTLM | CIFSSEC_MAY_NTLMV2) #define CIFSSEC_MAX (CIFSSEC_MUST_SIGN | CIFSSEC_MUST_NTLMV2) -#define CIFSSEC_AUTH_MASK (CIFSSEC_MAY_NTLM | CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_LANMAN | CIFSSEC_MAY_PLNTXT | CIFSSEC_MAY_KRB5) +#define CIFSSEC_AUTH_MASK (CIFSSEC_MAY_NTLM | CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_LANMAN | CIFSSEC_MAY_PLNTXT | CIFSSEC_MAY_KRB5 | CIFSSEC_MAY_NTLMSSP) /* ***************************************************************** * All constants go here diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 4e10efd2432c..75e6623a8635 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -449,6 +449,14 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) cFYI(1, ("Kerberos only mechanism, enable extended security")); pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC; } +#ifdef CONFIG_CIFS_EXPERIMENTAL + else if ((secFlags & CIFSSEC_MUST_NTLMSSP) == CIFSSEC_MUST_NTLMSSP) + pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC; + else if ((secFlags & CIFSSEC_AUTH_MASK) == CIFSSEC_MAY_NTLMSSP) { + cFYI(1, ("NTLMSSP only mechanism, enable extended security")); + pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC; + } +#endif count = 0; for (i = 0; i < CIFS_NUM_PROT; i++) { @@ -585,6 +593,8 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) server->secType = NTLMv2; else if (secFlags & CIFSSEC_MAY_KRB5) server->secType = Kerberos; + else if (secFlags & CIFSSEC_MAY_NTLMSSP) + server->secType = NTLMSSP; else if (secFlags & CIFSSEC_MAY_LANMAN) server->secType = LANMAN; /* #ifdef CONFIG_CIFS_EXPERIMENTAL diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 3a934dd84225..4aa81a507b74 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -979,6 +979,13 @@ cifs_parse_mount_options(char *options, const char *devname, return 1; } else if (strnicmp(value, "krb5", 4) == 0) { vol->secFlg |= CIFSSEC_MAY_KRB5; +#ifdef CONFIG_CIFS_EXPERIMENTAL + } else if (strnicmp(value, "ntlmsspi", 8) == 0) { + vol->secFlg |= CIFSSEC_MAY_NTLMSSP | + CIFSSEC_MUST_SIGN; + } else if (strnicmp(value, "ntlmssp", 7) == 0) { + vol->secFlg |= CIFSSEC_MAY_NTLMSSP; +#endif } else if (strnicmp(value, "ntlmv2i", 7) == 0) { vol->secFlg |= CIFSSEC_MAY_NTLMV2 | CIFSSEC_MUST_SIGN; From 7eccf7b227b6d3b1745b937ce35efc9c27f9b0e5 Mon Sep 17 00:00:00 2001 From: David Rientjes Date: Tue, 5 May 2009 12:50:02 -0700 Subject: [PATCH 434/478] x86, srat: do not register nodes beyond e820 map The mem= option will truncate the memory map at a specified address so it's not possible to register nodes with memory beyond the e820 upper bound. unparse_node() is only called when then node had memory associated with it, although with the mem= option it is no longer addressable. [ Impact: fix boot hang on certain (large) systems ] Reported-by: "Zhang, Yanmin" Signed-off-by: David Rientjes Acked-by: Jack Steiner LKML-Reference: Signed-off-by: Ingo Molnar --- arch/x86/mm/srat_64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 33c5fa57e43d..01765955baaf 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -361,6 +361,7 @@ static void __init unparse_node(int node) { int i; node_clear(node, nodes_parsed); + node_clear(node, cpu_nodes_parsed); for (i = 0; i < MAX_LOCAL_APIC; i++) { if (apicid_to_node[i] == node) apicid_to_node[i] = NUMA_NO_NODE; From e0e5ea3268db428d19e1c5fa00e6f583861cbdbd Mon Sep 17 00:00:00 2001 From: Nikanth Karthikesan Date: Mon, 4 May 2009 09:08:26 +0530 Subject: [PATCH 435/478] x86: Fix a typo in a printk message [ Impact: printk message cleanup ] Signed-off-by: Nikanth Karthikesan LKML-Reference: <200905040908.27299.knikanth@suse.de> Signed-off-by: Ingo Molnar --- arch/x86/mm/srat_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c index 16ae70fc57e7..29a0e37114f8 100644 --- a/arch/x86/mm/srat_32.c +++ b/arch/x86/mm/srat_32.c @@ -216,7 +216,7 @@ int __init get_memcfg_from_srat(void) if (num_memory_chunks == 0) { printk(KERN_WARNING - "could not finy any ACPI SRAT memory areas.\n"); + "could not find any ACPI SRAT memory areas.\n"); goto out_fail; } From fab892232e275e4e9351a50d018c0a9513155814 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 6 May 2009 17:17:26 +0100 Subject: [PATCH 436/478] vt: Add a note on the historical abuse of CLOCK_TICK_RATE This is one area where we can't just magic away the bizarre use of CLOCK_TICK_RATE as it leaks to user space APIs. It also means the visible CLOCK_TICK_RATE is frozen for architectures which is horrible. We need to fix this somehow Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/vt_ioctl.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index a2dee0eb6dad..e6ce632a393e 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -400,6 +400,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, case KIOCSOUND: if (!perm) goto eperm; + /* FIXME: This is an old broken API but we need to keep it + supported and somehow separate the historic advertised + tick rate from any real one */ if (arg) arg = CLOCK_TICK_RATE / arg; kd_mksound(arg, 0); @@ -417,6 +420,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, */ ticks = HZ * ((arg >> 16) & 0xffff) / 1000; count = ticks ? (arg & 0xffff) : 0; + /* FIXME: This is an old broken API but we need to keep it + supported and somehow separate the historic advertised + tick rate from any real one */ if (count) count = CLOCK_TICK_RATE / count; kd_mksound(count, ticks); From fd1e6c1df5c396961509daac2b456852edf982df Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Wed, 6 May 2009 17:17:57 +0100 Subject: [PATCH 437/478] jsm: removing unused spinlock This patch removes bd_lock spinlock (inside jsm_board structure). The lock is initialized in the probe function and not used anymore. Signed-off-by: Breno Leitao Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/jsm/jsm.h | 2 -- drivers/serial/jsm/jsm_driver.c | 1 - 2 files changed, 3 deletions(-) diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h index 8871aaa3dba6..c0a3e2734e24 100644 --- a/drivers/serial/jsm/jsm.h +++ b/drivers/serial/jsm/jsm.h @@ -130,8 +130,6 @@ struct jsm_board struct pci_dev *pci_dev; u32 maxports; /* MAX ports this board can handle */ - spinlock_t bd_lock; /* Used to protect board */ - spinlock_t bd_intr_lock; /* Used to protect the poller tasklet and * the interrupt routine from each other. */ diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c index d2d32a198629..b3604aa322a4 100644 --- a/drivers/serial/jsm/jsm_driver.c +++ b/drivers/serial/jsm/jsm_driver.c @@ -88,7 +88,6 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device else brd->maxports = 2; - spin_lock_init(&brd->bd_lock); spin_lock_init(&brd->bd_intr_lock); /* store which revision we have */ From 381a80e6df396eaabef2c00f85974a4579ac1c70 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Wed, 6 May 2009 16:02:50 -0700 Subject: [PATCH 438/478] inotify: use GFP_NOFS in kernel_event() to work around a lockdep false-positive There is what we believe to be a false positive reported by lockdep. inotify_inode_queue_event() => take inotify_mutex => kernel_event() => kmalloc() => SLOB => alloc_pages_node() => page reclaim => slab reclaim => dcache reclaim => inotify_inode_is_dead => take inotify_mutex => deadlock The plan is to fix this via lockdep annotation, but that is proving to be quite involved. The patch flips the allocation over to GFP_NFS to shut the warning up, for the 2.6.30 release. Hopefully we will fix this for real in 2.6.31. I'll queue a patch in -mm to switch it back to GFP_KERNEL so we don't forget. ================================= [ INFO: inconsistent lock state ] 2.6.30-rc2-next-20090417 #203 --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage. kswapd0/380 [HC0[0]:SC0[0]:HE1:SE1] takes: (&inode->inotify_mutex){+.+.?.}, at: [] inotify_inode_is_dead+0x35/0xb0 {RECLAIM_FS-ON-W} state was registered at: [] mark_held_locks+0x68/0x90 [] lockdep_trace_alloc+0xf5/0x100 [] __kmalloc_node+0x31/0x1e0 [] kernel_event+0xe2/0x190 [] inotify_dev_queue_event+0x126/0x230 [] inotify_inode_queue_event+0xc6/0x110 [] vfs_create+0xcd/0x140 [] do_filp_open+0x88d/0xa20 [] do_sys_open+0x98/0x140 [] sys_open+0x20/0x30 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff irq event stamp: 690455 hardirqs last enabled at (690455): [] _spin_unlock_irqrestore+0x44/0x80 hardirqs last disabled at (690454): [] _spin_lock_irqsave+0x32/0xa0 softirqs last enabled at (690178): [] __do_softirq+0x202/0x220 softirqs last disabled at (690157): [] call_softirq+0x1c/0x50 other info that might help us debug this: 2 locks held by kswapd0/380: #0: (shrinker_rwsem){++++..}, at: [] shrink_slab+0x37/0x180 #1: (&type->s_umount_key#17){++++..}, at: [] shrink_dcache_memory+0x11f/0x1e0 stack backtrace: Pid: 380, comm: kswapd0 Not tainted 2.6.30-rc2-next-20090417 #203 Call Trace: [] print_usage_bug+0x19f/0x200 [] ? save_stack_trace+0x2f/0x50 [] mark_lock+0x4bb/0x6d0 [] ? check_usage_forwards+0x0/0xc0 [] __lock_acquire+0xc62/0x1ae0 [] ? slob_free+0x10c/0x370 [] lock_acquire+0xe1/0x120 [] ? inotify_inode_is_dead+0x35/0xb0 [] mutex_lock_nested+0x63/0x420 [] ? inotify_inode_is_dead+0x35/0xb0 [] ? inotify_inode_is_dead+0x35/0xb0 [] ? sched_clock+0x9/0x10 [] ? lock_release_holdtime+0x35/0x1c0 [] inotify_inode_is_dead+0x35/0xb0 [] dentry_iput+0xbc/0xe0 [] d_kill+0x33/0x60 [] __shrink_dcache_sb+0x2d3/0x350 [] shrink_dcache_memory+0x15a/0x1e0 [] shrink_slab+0x125/0x180 [] kswapd+0x560/0x7a0 [] ? isolate_pages_global+0x0/0x2c0 [] ? autoremove_wake_function+0x0/0x40 [] ? trace_hardirqs_on+0xd/0x10 [] ? kswapd+0x0/0x7a0 [] kthread+0x5b/0xa0 [] child_rip+0xa/0x20 [] ? restore_args+0x0/0x30 [] ? kthread+0x0/0xa0 [] ? child_rip+0x0/0x20 [eparis@redhat.com: fix audit too] Cc: Al Viro Cc: Matt Mackall Cc: Christoph Lameter Signed-off-by: Wu Fengguang Signed-off-by: Eric Paris Cc: Peter Zijlstra Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/notify/inotify/inotify_user.c | 2 +- kernel/auditfilter.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index bed766e435b5..1634319e2404 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -220,7 +220,7 @@ static struct inotify_kernel_event * kernel_event(s32 wd, u32 mask, u32 cookie, rem = 0; } - kevent->name = kmalloc(len + rem, GFP_KERNEL); + kevent->name = kmalloc(len + rem, GFP_NOFS); if (unlikely(!kevent->name)) { kmem_cache_free(event_cachep, kevent); return NULL; diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index a6fe71fd5d1b..713098ee5a02 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1028,7 +1028,7 @@ static void audit_update_watch(struct audit_parent *parent, if (audit_enabled) { struct audit_buffer *ab; - ab = audit_log_start(NULL, GFP_KERNEL, + ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE); audit_log_format(ab, "auid=%u ses=%u", audit_get_loginuid(current), @@ -1067,7 +1067,7 @@ static void audit_remove_parent_watches(struct audit_parent *parent) e = container_of(r, struct audit_entry, rule); if (audit_enabled) { struct audit_buffer *ab; - ab = audit_log_start(NULL, GFP_KERNEL, + ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE); audit_log_format(ab, "auid=%u ses=%u", audit_get_loginuid(current), From 429aa0fca0df702fc9c81d799175a7d920398827 Mon Sep 17 00:00:00 2001 From: Hugh Dickins Date: Wed, 6 May 2009 16:02:51 -0700 Subject: [PATCH 439/478] doc: hashdist defaults on for 64bit kernel boot parameter `hashdist' now defaults on for all 64bit NUMA. Signed-off-by: Hugh Dickins Acked-by: Mel Gorman Acked-by: David S. Miller Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/kernel-parameters.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 90b3924071b6..52f5ce4ca8ba 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -775,7 +775,7 @@ and is between 256 and 4096 characters. It is defined in the file hashdist= [KNL,NUMA] Large hashes allocated during boot are distributed across NUMA nodes. Defaults on - for IA-64, off otherwise. + for 64bit NUMA, off otherwise. Format: 0 | 1 (for off | on) hcl= [IA-64] SGI's Hardware Graph compatibility layer From 57adc4d2dbf968fdbe516359688094eef4d46581 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 6 May 2009 16:02:53 -0700 Subject: [PATCH 440/478] Eliminate thousands of warnings with gcc 3.2 build When building with gcc 3.2 I get thousands of warnings such as include/linux/gfp.h: In function `allocflags_to_migratetype': include/linux/gfp.h:105: warning: null format string due to passing a NULL format string to warn_slowpath() in #define __WARN() warn_slowpath(__FILE__, __LINE__, NULL) Split this case out into a separate call. This also shrinks the kernel slightly: text data bss dec hex filename 4802274 707668 712704 6222646 5ef336 vmlinux text data bss dec hex filename 4799027 703572 712704 6215303 5ed687 vmlinux due to removeing one argument from the commonly-called __WARN(). [akpm@linux-foundation.org: reduce scope of `empty'] Acked-by: Jesper Nilsson Acked-by: Johannes Weiner Acked-by: Arjan van de Ven Signed-off-by: Andi Kleen Cc: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-generic/bug.h | 7 ++++--- kernel/panic.c | 13 ++++++++++--- 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index e727fe0d1451..4b6755984d24 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -58,12 +58,13 @@ struct bug_entry { */ #ifndef __WARN #ifndef __ASSEMBLY__ -extern void warn_slowpath(const char *file, const int line, +extern void warn_slowpath_fmt(const char *file, const int line, const char *fmt, ...) __attribute__((format(printf, 3, 4))); +extern void warn_slowpath_null(const char *file, const int line); #define WANT_WARN_ON_SLOWPATH #endif -#define __WARN() warn_slowpath(__FILE__, __LINE__, NULL) -#define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg) +#define __WARN() warn_slowpath_null(__FILE__, __LINE__) +#define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) #else #define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0) #endif diff --git a/kernel/panic.c b/kernel/panic.c index 3dcaa1661357..874ecf1307ae 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -340,7 +340,7 @@ void oops_exit(void) } #ifdef WANT_WARN_ON_SLOWPATH -void warn_slowpath(const char *file, int line, const char *fmt, ...) +void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...) { va_list args; char function[KSYM_SYMBOL_LEN]; @@ -356,7 +356,7 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...) if (board) printk(KERN_WARNING "Hardware name: %s\n", board); - if (fmt) { + if (*fmt) { va_start(args, fmt); vprintk(fmt, args); va_end(args); @@ -367,7 +367,14 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...) print_oops_end_marker(); add_taint(TAINT_WARN); } -EXPORT_SYMBOL(warn_slowpath); +EXPORT_SYMBOL(warn_slowpath_fmt); + +void warn_slowpath_null(const char *file, int line) +{ + static const char *empty = ""; + warn_slowpath_fmt(file, line, empty); +} +EXPORT_SYMBOL(warn_slowpath_null); #endif #ifdef CONFIG_CC_STACKPROTECTOR From df3935ffd6166fdd00702cf548fb5bb55737758b Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Wed, 6 May 2009 16:02:53 -0700 Subject: [PATCH 441/478] fiemap: fix problem with setting FIEMAP_EXTENT_LAST Fix a problem where the generic block based fiemap stuff would not properly set FIEMAP_EXTENT_LAST on the last extent. I've reworked things to keep track if we go past the EOF, and mark the last extent properly. The problem was reported by and tested by Eric Sandeen. Tested-by: Eric Sandeen Signed-off-by: Josef Bacik Cc: Cc: Cc: Cc: Steven Whitehouse Cc: Mark Fasheh Cc: Joel Becker Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ioctl.c | 75 +++++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 55 insertions(+), 20 deletions(-) diff --git a/fs/ioctl.c b/fs/ioctl.c index ac2d47e43926..82d9c42b8bac 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -258,7 +258,7 @@ int __generic_block_fiemap(struct inode *inode, long long length = 0, map_len = 0; u64 logical = 0, phys = 0, size = 0; u32 flags = FIEMAP_EXTENT_MERGED; - int ret = 0; + int ret = 0, past_eof = 0, whole_file = 0; if ((ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC))) return ret; @@ -266,6 +266,9 @@ int __generic_block_fiemap(struct inode *inode, start_blk = logical_to_blk(inode, start); length = (long long)min_t(u64, len, i_size_read(inode)); + if (length < len) + whole_file = 1; + map_len = length; do { @@ -282,11 +285,26 @@ int __generic_block_fiemap(struct inode *inode, /* HOLE */ if (!buffer_mapped(&tmp)) { + length -= blk_to_logical(inode, 1); + start_blk++; + + /* + * we want to handle the case where there is an + * allocated block at the front of the file, and then + * nothing but holes up to the end of the file properly, + * to make sure that extent at the front gets properly + * marked with FIEMAP_EXTENT_LAST + */ + if (!past_eof && + blk_to_logical(inode, start_blk) >= + blk_to_logical(inode, 0)+i_size_read(inode)) + past_eof = 1; + /* * first hole after going past the EOF, this is our * last extent */ - if (length <= 0) { + if (past_eof && size) { flags = FIEMAP_EXTENT_MERGED|FIEMAP_EXTENT_LAST; ret = fiemap_fill_next_extent(fieinfo, logical, phys, size, @@ -294,15 +312,37 @@ int __generic_block_fiemap(struct inode *inode, break; } - length -= blk_to_logical(inode, 1); - /* if we have holes up to/past EOF then we're done */ - if (length <= 0) + if (length <= 0 || past_eof) break; - - start_blk++; } else { - if (length <= 0 && size) { + /* + * we have gone over the length of what we wanted to + * map, and it wasn't the entire file, so add the extent + * we got last time and exit. + * + * This is for the case where say we want to map all the + * way up to the second to the last block in a file, but + * the last block is a hole, making the second to last + * block FIEMAP_EXTENT_LAST. In this case we want to + * see if there is a hole after the second to last block + * so we can mark it properly. If we found data after + * we exceeded the length we were requesting, then we + * are good to go, just add the extent to the fieinfo + * and break + */ + if (length <= 0 && !whole_file) { + ret = fiemap_fill_next_extent(fieinfo, logical, + phys, size, + flags); + break; + } + + /* + * if size != 0 then we know we already have an extent + * to add, so add it. + */ + if (size) { ret = fiemap_fill_next_extent(fieinfo, logical, phys, size, flags); @@ -319,19 +359,14 @@ int __generic_block_fiemap(struct inode *inode, start_blk += logical_to_blk(inode, size); /* - * if we are past the EOF we need to loop again to see - * if there is a hole so we can mark this extent as the - * last one, and if not keep mapping things until we - * find a hole, or we run out of slots in the extent - * array + * If we are past the EOF, then we need to make sure as + * soon as we find a hole that the last extent we found + * is marked with FIEMAP_EXTENT_LAST */ - if (length <= 0) - continue; - - ret = fiemap_fill_next_extent(fieinfo, logical, phys, - size, flags); - if (ret) - break; + if (!past_eof && + logical+size >= + blk_to_logical(inode, 0)+i_size_read(inode)) + past_eof = 1; } cond_resched(); } while (1); From 184101bf143ac96d62b3dcc17e7b3550f98d3350 Mon Sep 17 00:00:00 2001 From: David Rientjes Date: Wed, 6 May 2009 16:02:55 -0700 Subject: [PATCH 442/478] oom: prevent livelock when oom_kill_allocating_task is set When /proc/sys/vm/oom_kill_allocating_task is set for large systems that want to avoid the lengthy tasklist scan, it's possible to livelock if current is ineligible for oom kill. This normally happens when it is set to OOM_DISABLE, but is also possible if any threads are sharing the same ->mm with a different tgid. So change __out_of_memory() to fall back to the full task-list scan if it was unable to kill `current'. Cc: Nick Piggin Signed-off-by: David Rientjes Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/oom_kill.c | 44 +++++++++++++++++++++----------------------- 1 file changed, 21 insertions(+), 23 deletions(-) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 2f3166e308d9..92bcf1db16b2 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -514,34 +514,32 @@ void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_mask) */ static void __out_of_memory(gfp_t gfp_mask, int order) { - if (sysctl_oom_kill_allocating_task) { - oom_kill_process(current, gfp_mask, order, 0, NULL, - "Out of memory (oom_kill_allocating_task)"); + struct task_struct *p; + unsigned long points; - } else { - unsigned long points; - struct task_struct *p; - -retry: - /* - * Rambo mode: Shoot down a process and hope it solves whatever - * issues we may have. - */ - p = select_bad_process(&points, NULL); - - if (PTR_ERR(p) == -1UL) + if (sysctl_oom_kill_allocating_task) + if (!oom_kill_process(current, gfp_mask, order, 0, NULL, + "Out of memory (oom_kill_allocating_task)")) return; +retry: + /* + * Rambo mode: Shoot down a process and hope it solves whatever + * issues we may have. + */ + p = select_bad_process(&points, NULL); - /* Found nothing?!?! Either we hang forever, or we panic. */ - if (!p) { - read_unlock(&tasklist_lock); - panic("Out of memory and no killable processes...\n"); - } + if (PTR_ERR(p) == -1UL) + return; - if (oom_kill_process(p, gfp_mask, order, points, NULL, - "Out of memory")) - goto retry; + /* Found nothing?!?! Either we hang forever, or we panic. */ + if (!p) { + read_unlock(&tasklist_lock); + panic("Out of memory and no killable processes...\n"); } + + if (oom_kill_process(p, gfp_mask, order, points, NULL, + "Out of memory")) + goto retry; } /* From bdca0f9b1eabb24373e2307fe492f428f5928abc Mon Sep 17 00:00:00 2001 From: Michal Januszewski Date: Wed, 6 May 2009 16:02:56 -0700 Subject: [PATCH 443/478] fbdev: fix fillrect for 24bpp modes The software fillrect routines do not work properly when the number of pixels per machine word is not an integer. To see that, run the following command on a fbdev console with a 24bpp video mode, using a non-accelerated driver such as (u)vesafb: reset ; echo -e '\e[41mtest\e[K' The expected result is 'test' displayed on a line with red background. Instead of that, 'test' has a red background, but the rest of the line (rendered using fillrect()) contains a distored colorful pattern. This patch fixes the problem by correctly computing rotation shifts. It has been tested in a 24bpp mode on 32- and 64-bit little-endian machines. Signed-off-by: Michal Januszewski Acked-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cfbfillrect.c | 36 ++++++++++++++++-------------------- drivers/video/fb_draw.h | 21 +++++++++++++++++---- drivers/video/sysfillrect.c | 30 +++++++++++++++--------------- 3 files changed, 48 insertions(+), 39 deletions(-) diff --git a/drivers/video/cfbfillrect.c b/drivers/video/cfbfillrect.c index 64b35766b2a2..ba9f58b2a5e8 100644 --- a/drivers/video/cfbfillrect.c +++ b/drivers/video/cfbfillrect.c @@ -9,10 +9,6 @@ * * NOTES: * - * The code for depths like 24 that don't have integer number of pixels per - * long is broken and needs to be fixed. For now I turned these types of - * mode off. - * * Also need to add code to deal with cards endians that are different than * the native cpu endians. I also need to deal with MSB position in the word. * @@ -139,7 +135,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, // Trailing bits if (last) - FB_WRITEL(comp(pat, FB_READL(dst), first), dst); + FB_WRITEL(comp(pat, FB_READL(dst), last), dst); } } @@ -281,7 +277,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long __iomem *dst, void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) { - unsigned long pat, fg; + unsigned long pat, pat2, fg; unsigned long width = rect->width, height = rect->height; int bits = BITS_PER_LONG, bytes = bits >> 3; u32 bpp = p->var.bits_per_pixel; @@ -297,7 +293,7 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) else fg = rect->color; - pat = pixel_to_pat( bpp, fg); + pat = pixel_to_pat(bpp, fg); dst = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1)); dst_idx = ((unsigned long)p->screen_base & (bytes - 1))*8; @@ -333,17 +329,16 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) dst_idx += p->fix.line_length*8; } } else { - int right; - int r; - int rot = (left-dst_idx) % bpp; + int right, r; void (*fill_op)(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, unsigned long pat, int left, int right, unsigned n, int bits) = NULL; - - /* rotate pattern to correct start position */ - pat = pat << rot | pat >> (bpp-rot); - - right = bpp-left; +#ifdef __LITTLE_ENDIAN + right = left; + left = bpp - right; +#else + right = bpp - left; +#endif switch (rect->rop) { case ROP_XOR: fill_op = bitfill_unaligned_rev; @@ -352,17 +347,18 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) fill_op = bitfill_unaligned; break; default: - printk( KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n"); + printk(KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n"); fill_op = bitfill_unaligned; break; } while (height--) { - dst += dst_idx >> (ffs(bits) - 1); + dst += dst_idx / bits; dst_idx &= (bits - 1); - fill_op(p, dst, dst_idx, pat, left, right, + r = dst_idx % bpp; + /* rotate pattern to the correct start position */ + pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp)); + fill_op(p, dst, dst_idx, pat2, left, right, width*bpp, bits); - r = (p->fix.line_length*8) % bpp; - pat = pat << (bpp-r) | pat >> r; dst_idx += p->fix.line_length*8; } } diff --git a/drivers/video/fb_draw.h b/drivers/video/fb_draw.h index 1db622192bde..04c01faaf772 100644 --- a/drivers/video/fb_draw.h +++ b/drivers/video/fb_draw.h @@ -33,11 +33,11 @@ pixel_to_pat( u32 bpp, u32 pixel) case 8: return 0x0101010101010101ul*pixel; case 12: - return 0x0001001001001001ul*pixel; + return 0x1001001001001001ul*pixel; case 16: return 0x0001000100010001ul*pixel; case 24: - return 0x0000000001000001ul*pixel; + return 0x0001000001000001ul*pixel; case 32: return 0x0000000100000001ul*pixel; default: @@ -58,11 +58,11 @@ pixel_to_pat( u32 bpp, u32 pixel) case 8: return 0x01010101ul*pixel; case 12: - return 0x00001001ul*pixel; + return 0x01001001ul*pixel; case 16: return 0x00010001ul*pixel; case 24: - return 0x00000001ul*pixel; + return 0x01000001ul*pixel; case 32: return 0x00000001ul*pixel; default: @@ -167,4 +167,17 @@ static inline unsigned long fb_rev_pixels_in_long(unsigned long val, #endif /* CONFIG_FB_CFB_REV_PIXELS_IN_BYTE */ +#define cpu_to_le_long _cpu_to_le_long(BITS_PER_LONG) +#define _cpu_to_le_long(x) __cpu_to_le_long(x) +#define __cpu_to_le_long(x) cpu_to_le##x + +#define le_long_to_cpu _le_long_to_cpu(BITS_PER_LONG) +#define _le_long_to_cpu(x) __le_long_to_cpu(x) +#define __le_long_to_cpu(x) le##x##_to_cpu + +static inline unsigned long rolx(unsigned long word, unsigned int shift, unsigned int x) +{ + return (word << shift) | (word >> (x - shift)); +} + #endif /* FB_DRAW_H */ diff --git a/drivers/video/sysfillrect.c b/drivers/video/sysfillrect.c index f94d6b6e29ee..33ee3d34f9d2 100644 --- a/drivers/video/sysfillrect.c +++ b/drivers/video/sysfillrect.c @@ -124,7 +124,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long *dst, int dst_idx, /* Trailing bits */ if (last) - *dst = comp(pat, *dst, first); + *dst = comp(pat, *dst, last); } } @@ -242,7 +242,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long *dst, int dst_idx, void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) { - unsigned long pat, fg; + unsigned long pat, pat2, fg; unsigned long width = rect->width, height = rect->height; int bits = BITS_PER_LONG, bytes = bits >> 3; u32 bpp = p->var.bits_per_pixel; @@ -292,17 +292,16 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) dst_idx += p->fix.line_length*8; } } else { - int right; - int r; - int rot = (left-dst_idx) % bpp; + int right, r; void (*fill_op)(struct fb_info *p, unsigned long *dst, int dst_idx, unsigned long pat, int left, int right, unsigned n, int bits) = NULL; - - /* rotate pattern to correct start position */ - pat = pat << rot | pat >> (bpp-rot); - - right = bpp-left; +#ifdef __LITTLE_ENDIAN + right = left; + left = bpp - right; +#else + right = bpp - left; +#endif switch (rect->rop) { case ROP_XOR: fill_op = bitfill_unaligned_rev; @@ -311,18 +310,19 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) fill_op = bitfill_unaligned; break; default: - printk(KERN_ERR "cfb_fillrect(): unknown rop, " + printk(KERN_ERR "sys_fillrect(): unknown rop, " "defaulting to ROP_COPY\n"); fill_op = bitfill_unaligned; break; } while (height--) { - dst += dst_idx >> (ffs(bits) - 1); + dst += dst_idx / bits; dst_idx &= (bits - 1); - fill_op(p, dst, dst_idx, pat, left, right, + r = dst_idx % bpp; + /* rotate pattern to the correct start position */ + pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp)); + fill_op(p, dst, dst_idx, pat2, left, right, width*bpp, bits); - r = (p->fix.line_length*8) % bpp; - pat = pat << (bpp-r) | pat >> r; dst_idx += p->fix.line_length*8; } } From ca1eda2d75b855f434b1d5458534332ffad92d65 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 May 2009 16:02:58 -0700 Subject: [PATCH 444/478] doc: small kernel-parameters updates Change last "i386" to X86-32 as is used throughout the rest of the file. Change combination of X86-32,X86-64 to just X86, as is done throughout the rest of the file. Add a note that hyphens and underscores are equivalent in parameter names, with examples. Signed-off-by: Randy Dunlap Cc: Jan Engelhardt Cc: Christopher Sylvain Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/kernel-parameters.txt | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 52f5ce4ca8ba..e87bdbfbcc75 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -17,6 +17,12 @@ are specified on the kernel command line with the module name plus usbcore.blinkenlights=1 +Hyphens (dashes) and underscores are equivalent in parameter names, so + log_buf_len=1M print-fatal-signals=1 +can also be entered as + log-buf-len=1M print_fatal_signals=1 + + This document may not be entirely up to date and comprehensive. The command "modinfo -p ${modulename}" shows a current list of all parameters of a loadable module. Loadable modules, after being loaded into the running kernel, also @@ -345,7 +351,7 @@ and is between 256 and 4096 characters. It is defined in the file not play well with APC CPU idle - disable it if you have APC and your system crashes randomly. - apic= [APIC,i386] Advanced Programmable Interrupt Controller + apic= [APIC,X86-32] Advanced Programmable Interrupt Controller Change the output verbosity whilst booting Format: { quiet (default) | verbose | debug } Change the amount of debugging information output @@ -702,7 +708,7 @@ and is between 256 and 4096 characters. It is defined in the file to discrete, to make X server driver able to add WB entry later. This parameter enables that. - enable_timer_pin_1 [i386,x86-64] + enable_timer_pin_1 [X86] Enable PIN 1 of APIC timer Can be useful to work around chipset bugs (in particular on some ATI chipsets). From 2498ce42d3a4d1a498f1df4884da960087547db7 Mon Sep 17 00:00:00 2001 From: Ralph Wuerthner Date: Wed, 6 May 2009 16:02:59 -0700 Subject: [PATCH 445/478] alloc_vmap_area: fix memory leak If alloc_vmap_area() fails the allocated struct vmap_area has to be freed. Signed-off-by: Ralph Wuerthner Reviewed-by: Christoph Lameter Reviewed-by: Minchan Kim Cc: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/vmalloc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index fab19876b4d1..083716ea38c9 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -402,6 +402,7 @@ overflow: printk(KERN_WARNING "vmap allocation for size %lu failed: " "use vmalloc= to increase size.\n", size); + kfree(va); return ERR_PTR(-EBUSY); } From 57226e7898076f864d6ce41ddeff4bbc772b950c Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 6 May 2009 16:03:00 -0700 Subject: [PATCH 446/478] fbdev: remove makefile reference to removed driver The cyblafb driver is removed so remove its last trace in the makefile. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/Makefile | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 0dbd6c68d76b..d8d0be5151e3 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -56,7 +56,6 @@ obj-$(CONFIG_FB_CT65550) += chipsfb.o obj-$(CONFIG_FB_IMSTT) += imsttfb.o obj-$(CONFIG_FB_FM2) += fm2fb.o obj-$(CONFIG_FB_VT8623) += vt8623fb.o -obj-$(CONFIG_FB_CYBLA) += cyblafb.o obj-$(CONFIG_FB_TRIDENT) += tridentfb.o obj-$(CONFIG_FB_LE80578) += vermilion/ obj-$(CONFIG_FB_S3) += s3fb.o From 74614f8d9d4141a3752fc1c38706859b63f4842b Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Wed, 6 May 2009 16:03:00 -0700 Subject: [PATCH 447/478] isl29003: fix resume functionality The isl29003 does not interpret the return value of i2c_smbus_write_byte_data() correctly and hence causes an error on system resume. Also introduce power_state_before_suspend and restore the chip's power state upon wakeup. Signed-off-by: Daniel Mack Cc: "Rafael J. Wysocki" Cc: Jean Delvare Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/isl29003.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c index 2e2a5923d4c2..a71e245801ee 100644 --- a/drivers/misc/isl29003.c +++ b/drivers/misc/isl29003.c @@ -64,6 +64,7 @@ struct isl29003_data { struct i2c_client *client; struct mutex lock; u8 reg_cache[ISL29003_NUM_CACHABLE_REGS]; + u8 power_state_before_suspend; }; static int gain_range[] = { @@ -411,6 +412,9 @@ static int __devexit isl29003_remove(struct i2c_client *client) #ifdef CONFIG_PM static int isl29003_suspend(struct i2c_client *client, pm_message_t mesg) { + struct isl29003_data *data = i2c_get_clientdata(client); + + data->power_state_before_suspend = isl29003_get_power_state(client); return isl29003_set_power_state(client, 0); } @@ -421,10 +425,11 @@ static int isl29003_resume(struct i2c_client *client) /* restore registers from cache */ for (i = 0; i < ARRAY_SIZE(data->reg_cache); i++) - if (!i2c_smbus_write_byte_data(client, i, data->reg_cache[i])) + if (i2c_smbus_write_byte_data(client, i, data->reg_cache[i])) return -EIO; - return 0; + return isl29003_set_power_state(client, + data->power_state_before_suspend); } #else From 9155203a5de94278525647b16733f0c315f3b786 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 6 May 2009 16:03:02 -0700 Subject: [PATCH 448/478] mm: use roundown_pow_of_two() in zone_batchsize() Use roundown_pow_of_two(N) in zone_batchsize() rather than (1 << (fls(N)-1)) as they are equivalent, and with the former it is easier to see what is going on. Signed-off-by: David Howells Tested-by: Lanttor Guo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e2f26991fff1..8add7daf98b0 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2706,7 +2706,7 @@ static int zone_batchsize(struct zone *zone) * of pages of one half of the possible page colors * and the other with pages of the other colors. */ - batch = (1 << (fls(batch + batch/2)-1)) - 1; + batch = rounddown_pow_of_two(batch + batch/2) - 1; return batch; } From 3a6be87fd1e5cdbbc3b6a14d02a3efa9ecba1d3f Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 6 May 2009 16:03:03 -0700 Subject: [PATCH 449/478] nommu: clamp zone_batchsize() to 0 under NOMMU conditions Clamp zone_batchsize() to 0 under NOMMU conditions to stop free_hot_cold_page() from queueing and batching frees. The problem is that under NOMMU conditions it is really important to be able to allocate large contiguous chunks of memory, but when munmap() or exit_mmap() releases big stretches of memory, return of these to the buddy allocator can be deferred, and when it does finally happen, it can be in small chunks. Whilst the fragmentation this incurs isn't so much of a problem under MMU conditions as userspace VM is glued together from individual pages with the aid of the MMU, it is a real problem if there isn't an MMU. By clamping the page freeing queue size to 0, pages are returned to the allocator immediately, and the buddy detector is more likely to be able to glue them together into large chunks immediately, and fragmentation is less likely to occur. By disabling batching of frees, and by turning off the trimming of excess space during boot, Coldfire can manage to boot. Reported-by: Lanttor Guo Signed-off-by: David Howells Tested-by: Lanttor Guo Cc: Greg Ungerer Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/page_alloc.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8add7daf98b0..fe753ecf2aa5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2681,6 +2681,7 @@ static void __meminit zone_init_free_lists(struct zone *zone) static int zone_batchsize(struct zone *zone) { +#ifdef CONFIG_MMU int batch; /* @@ -2709,6 +2710,23 @@ static int zone_batchsize(struct zone *zone) batch = rounddown_pow_of_two(batch + batch/2) - 1; return batch; + +#else + /* The deferral and batching of frees should be suppressed under NOMMU + * conditions. + * + * The problem is that NOMMU needs to be able to allocate large chunks + * of contiguous memory as there's no hardware page translation to + * assemble apparent contiguous memory from discontiguous pages. + * + * Queueing large contiguous runs of pages for batching, however, + * causes the pages to actually be freed in smaller chunks. As there + * can be a significant delay between the individual batches being + * recycled, this leads to the once large chunks of space being + * fragmented and becoming unavailable for high-order allocations. + */ + return 0; +#endif } static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) From fc4d5c292b68ef02514d2072dcbf82d090c34875 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 6 May 2009 16:03:05 -0700 Subject: [PATCH 450/478] nommu: make the initial mmap allocation excess behaviour Kconfig configurable NOMMU mmap() has an option controlled by a sysctl variable that determines whether the allocations made by do_mmap_private() should have the excess space trimmed off and returned to the allocator. Make the initial setting of this variable a Kconfig configuration option. The reason there can be excess space is that the allocator only allocates in power-of-2 size chunks, but mmap()'s can be made in sizes that aren't a power of 2. There are two alternatives: (1) Keep the excess as dead space. The dead space then remains unused for the lifetime of the mapping. Mappings of shared objects such as libc, ld.so or busybox's text segment may retain their dead space forever. (2) Return the excess to the allocator. This means that the dead space is limited to less than a page per mapping, but it means that for a transient process, there's more chance of fragmentation as the excess space may be reused fairly quickly. During the boot process, a lot of transient processes are created, and this can cause a lot of fragmentation as the pagecache and various slabs grow greatly during this time. By turning off the trimming of excess space during boot and disabling batching of frees, Coldfire can manage to boot. A better way of doing things might be to have /sbin/init turn this option off. By that point libc, ld.so and init - which are all long-duration processes - have all been loaded and trimmed. Reported-by: Lanttor Guo Signed-off-by: David Howells Tested-by: Lanttor Guo Cc: Greg Ungerer Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/Kconfig | 28 ++++++++++++++++++++++++++++ mm/nommu.c | 2 +- 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/mm/Kconfig b/mm/Kconfig index 57971d2ab848..c2b57d81e153 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -225,3 +225,31 @@ config HAVE_MLOCKED_PAGE_BIT config MMU_NOTIFIER bool + +config NOMMU_INITIAL_TRIM_EXCESS + int "Turn on mmap() excess space trimming before booting" + depends on !MMU + default 1 + help + The NOMMU mmap() frequently needs to allocate large contiguous chunks + of memory on which to store mappings, but it can only ask the system + allocator for chunks in 2^N*PAGE_SIZE amounts - which is frequently + more than it requires. To deal with this, mmap() is able to trim off + the excess and return it to the allocator. + + If trimming is enabled, the excess is trimmed off and returned to the + system allocator, which can cause extra fragmentation, particularly + if there are a lot of transient processes. + + If trimming is disabled, the excess is kept, but not used, which for + long-term mappings means that the space is wasted. + + Trimming can be dynamically controlled through a sysctl option + (/proc/sys/vm/nr_trim_pages) which specifies the minimum number of + excess pages there must be before trimming should occur, or zero if + no trimming is to occur. + + This option specifies the initial value of this option. The default + of 1 says that all excess pages should be trimmed. + + See Documentation/nommu-mmap.txt for more information. diff --git a/mm/nommu.c b/mm/nommu.c index 809998aa7b50..67cd1a487ee6 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -66,7 +66,7 @@ struct percpu_counter vm_committed_as; int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */ int sysctl_overcommit_ratio = 50; /* default is 50% */ int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT; -int sysctl_nr_trim_pages = 1; /* page trimming behaviour */ +int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS; int heap_stack_gap = 0; atomic_long_t mmap_pages_allocated; From a1e6b6c1a676d25acdf079ee8ab5cdfeb5e5b835 Mon Sep 17 00:00:00 2001 From: Eric Piel Date: Wed, 6 May 2009 16:03:06 -0700 Subject: [PATCH 451/478] initramfs: clean up messages related to initramfs unpacking With the removal of duplicate unpack_to_rootfs() (commit df52092f3c97788592ef72501a43fb7ac6a3cfe0) the messages displayed do not actually correspond to what the kernel is doing. In addition, depending if ramdisks are supported or not, the messages are not at all the same. So keep the messages more in sync with what is really doing the kernel, and only display a second message in case of failure. This also ensure that the printk message cannot be split by other printk's. Signed-off-by: Eric Piel Acked-by: H. Peter Anvin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- init/initramfs.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/init/initramfs.c b/init/initramfs.c index 9ee7b7810417..4c00edc59689 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -574,11 +574,10 @@ static int __init populate_rootfs(void) if (initrd_start) { #ifdef CONFIG_BLK_DEV_RAM int fd; - printk(KERN_INFO "checking if image is initramfs...\n"); + printk(KERN_INFO "Trying to unpack rootfs image as initramfs...\n"); err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start); if (!err) { - printk(KERN_INFO "rootfs image is initramfs; unpacking...\n"); free_initrd(); return 0; } else { @@ -596,15 +595,11 @@ static int __init populate_rootfs(void) free_initrd(); } #else - printk(KERN_INFO "Unpacking initramfs..."); + printk(KERN_INFO "Unpacking initramfs...\n"); err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start); - if (err) { - printk(" failed!\n"); - printk(KERN_EMERG "%s\n", err); - } else { - printk(" done\n"); - } + if (err) + printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err); free_initrd(); #endif } From 60db402780ec257b287de591d65157575952bb4a Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 6 May 2009 16:03:07 -0700 Subject: [PATCH 452/478] drivers/base/iommu.c: add missing includes Fix zillions of -mm x86_64 allmodconfig build errors - the file uses EXPORT_SYMBOL() and kmalloc but misses the needed includes. Cc: Greg Kroah-Hartman Cc: Joerg Roedel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/base/iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c index 9f0e672f4be8..8ad4ffea6920 100644 --- a/drivers/base/iommu.c +++ b/drivers/base/iommu.c @@ -18,6 +18,8 @@ #include #include +#include +#include #include #include From b74fd2826c5acce20e6f691437b2d19372bc2057 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 7 May 2009 12:47:19 +1000 Subject: [PATCH 453/478] md: fix loading of out-of-date bitmap. When md is loading a bitmap which it knows is out of date, it fills each page with 1s and writes it back out again. However the write_page call makes used of bitmap->file_pages and bitmap->last_page_size which haven't been set correctly yet. So this can sometimes fail. Move the setting of file_pages and last_page_size to before the call to write_page. This bug can cause the assembly on an array to fail, thus making the data inaccessible. Hence I think it is a suitable candidate for -stable. Cc: stable@kernel.org Reported-by: Vojtech Pavlik Signed-off-by: NeilBrown --- drivers/md/bitmap.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 1fb91edc7de2..bc1d64b7b63b 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -986,6 +986,9 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) oldindex = index; oldpage = page; + bitmap->filemap[bitmap->file_pages++] = page; + bitmap->last_page_size = count; + if (outofdate) { /* * if bitmap is out of date, dirty the @@ -998,15 +1001,9 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) write_page(bitmap, page, 1); ret = -EIO; - if (bitmap->flags & BITMAP_WRITE_ERROR) { - /* release, page not in filemap yet */ - put_page(page); + if (bitmap->flags & BITMAP_WRITE_ERROR) goto err; - } } - - bitmap->filemap[bitmap->file_pages++] = page; - bitmap->last_page_size = count; } paddr = kmap_atomic(page, KM_USER0); if (bitmap->flags & BITMAP_HOSTENDIAN) From 18055569127253755d01733f6ecc004ed02f88d0 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 7 May 2009 12:48:10 +1000 Subject: [PATCH 454/478] md/raid10: don't clear bitmap during recovery if array will still be degraded. If we have a raid10 with multiple missing devices, and we recover just one of these to a spare, then we risk (depending on the bitmap and array chunk size) clearing bits of the bitmap for which recovery isn't complete (because a device is still missing). This can lead to a subsequent "re-add" being recovered without any IO happening, which would result in loss of data. This patch takes the safe approach of not clearing bitmap bits if the array will still be degraded. This patch is suitable for all active -stable kernels. Cc: stable@kernel.org Signed-off-by: NeilBrown --- drivers/md/raid10.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 81a54f17417e..499620afb44b 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1809,17 +1809,17 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i r10_bio->sector = sect; raid10_find_phys(conf, r10_bio); - /* Need to check if this section will still be + + /* Need to check if the array will still be * degraded */ - for (j=0; jcopies;j++) { - int d = r10_bio->devs[j].devnum; - if (conf->mirrors[d].rdev == NULL || - test_bit(Faulty, &conf->mirrors[d].rdev->flags)) { + for (j=0; jraid_disks; j++) + if (conf->mirrors[j].rdev == NULL || + test_bit(Faulty, &conf->mirrors[j].rdev->flags)) { still_degraded = 1; break; } - } + must_sync = bitmap_start_sync(mddev->bitmap, sect, &sync_blocks, still_degraded); From db305e507d554430a69ede901a6308e6ecb72349 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 7 May 2009 12:49:06 +1000 Subject: [PATCH 455/478] md: fix some (more) errors with bitmaps on devices larger than 2TB. If a write intent bitmap covers more than 2TB, we sometimes work with values beyond 32bit, so these need to be sector_t. This patches add the required casts to some unsigned longs that are being shifted up. This will affect any raid10 larger than 2TB, or any raid1/4/5/6 with member devices that are larger than 2TB. Signed-off-by: NeilBrown Reported-by: "Mario 'BitKoenig' Holbe" Cc: stable@kernel.org --- drivers/md/bitmap.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index bc1d64b7b63b..47c68bc75a17 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1013,9 +1013,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) kunmap_atomic(paddr, KM_USER0); if (b) { /* if the disk bit is set, set the memory bit */ - bitmap_set_memory_bits(bitmap, i << CHUNK_BLOCK_SHIFT(bitmap), - ((i+1) << (CHUNK_BLOCK_SHIFT(bitmap)) >= start) - ); + int needed = ((sector_t)(i+1) << (CHUNK_BLOCK_SHIFT(bitmap)) + >= start); + bitmap_set_memory_bits(bitmap, + (sector_t)i << CHUNK_BLOCK_SHIFT(bitmap), + needed); bit_cnt++; set_page_attr(bitmap, page, BITMAP_PAGE_CLEAN); } @@ -1151,8 +1153,9 @@ void bitmap_daemon_work(struct bitmap *bitmap) spin_lock_irqsave(&bitmap->lock, flags); clear_page_attr(bitmap, page, BITMAP_PAGE_CLEAN); } - bmc = bitmap_get_counter(bitmap, j << CHUNK_BLOCK_SHIFT(bitmap), - &blocks, 0); + bmc = bitmap_get_counter(bitmap, + (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap), + &blocks, 0); if (bmc) { /* if (j < 100) printk("bitmap: j=%lu, *bmc = 0x%x\n", j, *bmc); @@ -1166,7 +1169,8 @@ void bitmap_daemon_work(struct bitmap *bitmap) } else if (*bmc == 1) { /* we can clear the bit */ *bmc = 0; - bitmap_count_page(bitmap, j << CHUNK_BLOCK_SHIFT(bitmap), + bitmap_count_page(bitmap, + (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap), -1); /* clear the bit */ @@ -1511,7 +1515,7 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e) unsigned long chunk; for (chunk = s; chunk <= e; chunk++) { - sector_t sec = chunk << CHUNK_BLOCK_SHIFT(bitmap); + sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap); bitmap_set_memory_bits(bitmap, sec, 1); bitmap_file_set_bit(bitmap, sec); } From dd71cf6b2773310b01c6fe6c773064c80fd2476b Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 7 May 2009 12:49:35 +1000 Subject: [PATCH 456/478] md: tidy up status_resync to handle large arrays. Two problems in status_resync. 1/ It still used Kilobytes as the basic block unit, while most code now uses sectors uniformly. 2/ It doesn't allow for the possibility that max_sectors exceeds the range of "unsigned long". So - change "max_blocks" to "max_sectors", and store sector numbers in there and in 'resync' - Make 'rt' a 'sector_t' so it can temporarily hold the number of remaining sectors. - use sector_div rather than normal division. - change the magic '100' used to preserve precision to '32'. + making it a power of 2 makes division easier + it doesn't need to be as large as it was chosen when we averaged speed over the entire run. Now we average speed over the last 30 seconds or so. Reported-by: "Mario 'BitKoenig' Holbe" Signed-off-by: NeilBrown --- drivers/md/md.c | 45 ++++++++++++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 17 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 612343fdde94..5eb01a4d27ba 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5705,37 +5705,38 @@ static void status_unused(struct seq_file *seq) static void status_resync(struct seq_file *seq, mddev_t * mddev) { - sector_t max_blocks, resync, res; - unsigned long dt, db, rt; + sector_t max_sectors, resync, res; + unsigned long dt, db; + sector_t rt; int scale; unsigned int per_milli; - resync = (mddev->curr_resync - atomic_read(&mddev->recovery_active))/2; + resync = mddev->curr_resync - atomic_read(&mddev->recovery_active); if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) - max_blocks = mddev->resync_max_sectors >> 1; + max_sectors = mddev->resync_max_sectors; else - max_blocks = mddev->dev_sectors / 2; + max_sectors = mddev->dev_sectors; /* * Should not happen. */ - if (!max_blocks) { + if (!max_sectors) { MD_BUG(); return; } /* Pick 'scale' such that (resync>>scale)*1000 will fit - * in a sector_t, and (max_blocks>>scale) will fit in a + * in a sector_t, and (max_sectors>>scale) will fit in a * u32, as those are the requirements for sector_div. * Thus 'scale' must be at least 10 */ scale = 10; if (sizeof(sector_t) > sizeof(unsigned long)) { - while ( max_blocks/2 > (1ULL<<(scale+32))) + while ( max_sectors/2 > (1ULL<<(scale+32))) scale++; } res = (resync>>scale)*1000; - sector_div(res, (u32)((max_blocks>>scale)+1)); + sector_div(res, (u32)((max_sectors>>scale)+1)); per_milli = res; { @@ -5756,25 +5757,35 @@ static void status_resync(struct seq_file *seq, mddev_t * mddev) (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) ? "resync" : "recovery"))), per_milli/10, per_milli % 10, - (unsigned long long) resync, - (unsigned long long) max_blocks); + (unsigned long long) resync/2, + (unsigned long long) max_sectors/2); /* - * We do not want to overflow, so the order of operands and - * the * 100 / 100 trick are important. We do a +1 to be - * safe against division by zero. We only estimate anyway. - * * dt: time from mark until now * db: blocks written from mark until now * rt: remaining time + * + * rt is a sector_t, so could be 32bit or 64bit. + * So we divide before multiply in case it is 32bit and close + * to the limit. + * We scale the divisor (db) by 32 to avoid loosing precision + * near the end of resync when the number of remaining sectors + * is close to 'db'. + * We then divide rt by 32 after multiplying by db to compensate. + * The '+1' avoids division by zero if db is very small. */ dt = ((jiffies - mddev->resync_mark) / HZ); if (!dt) dt++; db = (mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active)) - mddev->resync_mark_cnt; - rt = (dt * ((unsigned long)(max_blocks-resync) / (db/2/100+1)))/100; - seq_printf(seq, " finish=%lu.%lumin", rt / 60, (rt % 60)/6); + rt = max_sectors - resync; /* number of remaining sectors */ + sector_div(rt, db/32+1); + rt *= dt; + rt >>= 5; + + seq_printf(seq, " finish=%lu.%lumin", (unsigned long)rt / 60, + ((unsigned long)rt % 60)/6); seq_printf(seq, " speed=%ldK/sec", db/2/dt); } From 110518bccf076726cc93bf604527d8019aae50ba Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 7 May 2009 12:49:37 +1000 Subject: [PATCH 457/478] md: constify VFTs Signed-off-by: Jan Engelhardt Signed-off-by: NeilBrown --- drivers/md/md.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 5eb01a4d27ba..8350bde60d1b 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5976,7 +5976,7 @@ static int md_seq_show(struct seq_file *seq, void *v) return 0; } -static struct seq_operations md_seq_ops = { +static const struct seq_operations md_seq_ops = { .start = md_seq_start, .next = md_seq_next, .stop = md_seq_stop, From 5bf295975416f8e97117bbbcfb0191c00bc3e2b4 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 7 May 2009 12:50:57 +1000 Subject: [PATCH 458/478] md: remove ability to explicit set an inactive array to 'clean'. Being able to write 'clean' to an 'array_state' of an inactive array to activate it in 'clean' mode is both unnecessary and inconvenient. It is unnecessary because the same can be achieved by writing 'active'. This activates and array, but it still remains 'clean' until the first write. It is inconvenient because writing 'clean' is more often used to cause an 'active' array to revert to 'clean' mode (thus blocking any writes until a 'write-pending' is promoted to 'active'). Allowing 'clean' to both activate an array and mark an active array as clean can lead to races: One program writes 'clean' to mark the active array as clean at the same time as another program writes 'inactive' to deactivate (stop) and active array. Depending on which writes first, the array could be deactivated and immediately reactivated which isn't what was desired. So just disable the use of 'clean' to activate an array. This avoids a race that can be triggered with mdadm-3.0 and external metadata, so it suitable for -stable. Reported-by: Rafal Marszewski Acked-by: Dan Williams Cc: Signed-off-by: NeilBrown --- drivers/md/md.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 8350bde60d1b..1dd723d31882 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3066,11 +3066,8 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len) } else err = -EBUSY; spin_unlock_irq(&mddev->write_lock); - } else { - mddev->ro = 0; - mddev->recovery_cp = MaxSector; - err = do_md_run(mddev); - } + } else + err = -EINVAL; break; case active: if (mddev->pers) { From c4647292fda0833bebe45be27f04453b736981fa Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 7 May 2009 12:51:06 +1000 Subject: [PATCH 459/478] md: remove rd%d links immediately after stopping an array. md maintains link in sys/mdXX/md/ to identify which device has which role in the array. e.g. rd2 -> dev-sda indicates that the device with role '2' in the array is sda. These links are only present when the array is active. They are created immediately after ->run is called, and so should be removed immediately after ->stop is called. However they are currently removed a little bit later, and it is possible for ->run to be called again, thus adding these links, before they are removed. So move the removal earlier so they are consistently only present when the array is active. Signed-off-by: NeilBrown --- drivers/md/md.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 1dd723d31882..fccc8343a250 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4294,6 +4294,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) { int err = 0; struct gendisk *disk = mddev->gendisk; + mdk_rdev_t *rdev; if (atomic_read(&mddev->openers) > is_open) { printk("md: %s still in use.\n",mdname(mddev)); @@ -4336,6 +4337,13 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) /* tell userspace to handle 'inactive' */ sysfs_notify_dirent(mddev->sysfs_state); + list_for_each_entry(rdev, &mddev->disks, same_set) + if (rdev->raid_disk >= 0) { + char nm[20]; + sprintf(nm, "rd%d", rdev->raid_disk); + sysfs_remove_link(&mddev->kobj, nm); + } + set_capacity(disk, 0); mddev->changed = 1; @@ -4356,7 +4364,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) * Free resources if final stop */ if (mode == 0) { - mdk_rdev_t *rdev; printk(KERN_INFO "md: %s stopped.\n", mdname(mddev)); @@ -4368,13 +4375,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) } mddev->bitmap_offset = 0; - list_for_each_entry(rdev, &mddev->disks, same_set) - if (rdev->raid_disk >= 0) { - char nm[20]; - sprintf(nm, "rd%d", rdev->raid_disk); - sysfs_remove_link(&mddev->kobj, nm); - } - /* make sure all md_delayed_delete calls have finished */ flush_scheduled_work(); From a029b706d3b2d3a139bdeae84131d9a0f35f6478 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Thu, 7 May 2009 14:25:48 +0100 Subject: [PATCH 460/478] [ARM] 5506/1: davinci: DMA_32BIT_MASK --> DMA_BIT_MASK(32) As per commit 284901a90a9e0b812ca3f5f852cbbfb60d10249d, use DMA_BIT_MASK(n) Signed-off-by: Kevin Hilman Signed-off-by: Russell King --- arch/arm/mach-davinci/board-dm644x-evm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index c039674fe99e..b2e7f9c63bc5 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -211,7 +211,7 @@ static struct resource ide_resources[] = { }, }; -static u64 ide_dma_mask = DMA_32BIT_MASK; +static u64 ide_dma_mask = DMA_BIT_MASK(32); static struct platform_device ide_dev = { .name = "palm_bk3710", @@ -220,7 +220,7 @@ static struct platform_device ide_dev = { .num_resources = ARRAY_SIZE(ide_resources), .dev = { .dma_mask = &ide_dma_mask, - .coherent_dma_mask = DMA_32BIT_MASK, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; From ae51e609843f7d0aaeb1c2ad9f89d252a4899885 Mon Sep 17 00:00:00 2001 From: Paul Gortmaker Date: Thu, 7 May 2009 16:18:40 +0100 Subject: [PATCH 461/478] [ARM] 5507/1: support R_ARM_MOVW_ABS_NC and MOVT_ABS relocation types From: Bruce Ashfield To fully support the armv7-a instruction set/optimizations, support for the R_ARM_MOVW_ABS_NC and R_ARM_MOVT_ABS relocation types is required. The MOVW and MOVT are both load-immediate instructions, MOVW loads 16 bits into the bottom half of a register, and MOVT loads 16 bits into the top half of a register. The relocation information for these instructions has a full 32 bit value, plus an addend which is stored in the 16 immediate bits in the instruction itself. The immediate bits in the instruction are not contiguous (the register # splits it into a 4 bit and 12 bit value), so the addend has to be extracted accordingly and added to the value. The value is then split and put into the instruction; a MOVW uses the bottom 16 bits of the value, and a MOVT uses the top 16 bits. Signed-off-by: David Borman Signed-off-by: Bruce Ashfield Signed-off-by: Paul Gortmaker Signed-off-by: Russell King --- arch/arm/include/asm/elf.h | 16 +++++++++------- arch/arm/kernel/module.c | 15 +++++++++++++++ 2 files changed, 24 insertions(+), 7 deletions(-) diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index d7da19bcf928..c207504de84d 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -45,13 +45,15 @@ typedef struct user_fp elf_fpregset_t; #define EF_ARM_HASENTRY 0x00000002 /* All */ #define EF_ARM_RELEXEC 0x00000001 /* All */ -#define R_ARM_NONE 0 -#define R_ARM_PC24 1 -#define R_ARM_ABS32 2 -#define R_ARM_CALL 28 -#define R_ARM_JUMP24 29 -#define R_ARM_V4BX 40 -#define R_ARM_PREL31 42 +#define R_ARM_NONE 0 +#define R_ARM_PC24 1 +#define R_ARM_ABS32 2 +#define R_ARM_CALL 28 +#define R_ARM_JUMP24 29 +#define R_ARM_V4BX 40 +#define R_ARM_PREL31 42 +#define R_ARM_MOVW_ABS_NC 43 +#define R_ARM_MOVT_ABS 44 /* * These are used to set parameters in the core dumps. diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index d1731e39b496..bac03c81489d 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -169,6 +169,21 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, *(u32 *)loc = offset & 0x7fffffff; break; + case R_ARM_MOVW_ABS_NC: + case R_ARM_MOVT_ABS: + offset = *(u32 *)loc; + offset = ((offset & 0xf0000) >> 4) | (offset & 0xfff); + offset = (offset ^ 0x8000) - 0x8000; + + offset += sym->st_value; + if (ELF32_R_TYPE(rel->r_info) == R_ARM_MOVT_ABS) + offset >>= 16; + + *(u32 *)loc &= 0xfff0f000; + *(u32 *)loc |= ((offset & 0xf000) << 4) | + (offset & 0x0fff); + break; + default: printk(KERN_ERR "%s: unknown relocation: %u\n", module->name, ELF32_R_TYPE(rel->r_info)); From 8a0a9bd4db63bc45e3017bedeafbd88d0eb84d02 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 5 May 2009 08:17:43 -0700 Subject: [PATCH 462/478] random: make get_random_int() more random It's a really simple patch that basically just open-codes the current "secure_ip_id()" call, but when open-coding it we now use a _static_ hashing area, so that it gets updated every time. And to make sure somebody can't just start from the same original seed of all-zeroes, and then do the "half_md4_transform()" over and over until they get the same sequence as the kernel has, each iteration also mixes in the same old "current->pid + jiffies" we used - so we should now have a regular strong pseudo-number generator, but we also have one that doesn't have a single seed. Note: the "pid + jiffies" is just meant to be a tiny tiny bit of noise. It has no real meaning. It could be anything. I just picked the previous seed, it's just that now we keep the state in between calls and that will feed into the next result, and that should make all the difference. I made that hash be a per-cpu data just to avoid cache-line ping-pong: having multiple CPU's write to the same data would be fine for randomness, and add yet another layer of chaos to it, but since get_random_int() is supposed to be a fast interface I did it that way instead. I considered using "__raw_get_cpu_var()" to avoid any preemption overhead while still getting the hash be _mostly_ ping-pong free, but in the end good taste won out. Signed-off-by: Ingo Molnar Signed-off-by: Linus Torvalds --- drivers/char/random.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/char/random.c b/drivers/char/random.c index f824ef8a9273..b2ced39d76b2 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1665,15 +1665,20 @@ EXPORT_SYMBOL(secure_dccp_sequence_number); * value is not cryptographically secure but for several uses the cost of * depleting entropy is too high */ +DEFINE_PER_CPU(__u32 [4], get_random_int_hash); unsigned int get_random_int(void) { - /* - * Use IP's RNG. It suits our purpose perfectly: it re-keys itself - * every second, from the entropy pool (and thus creates a limited - * drain on it), and uses halfMD4Transform within the second. We - * also mix it with jiffies and the PID: - */ - return secure_ip_id((__force __be32)(current->pid + jiffies)); + struct keydata *keyptr; + __u32 *hash = get_cpu_var(get_random_int_hash); + int ret; + + keyptr = get_keyptr(); + hash[0] += current->pid + jiffies + get_cycles() + (int)(long)&ret; + + ret = half_md4_transform(hash, keyptr->secret); + put_cpu_var(get_random_int_hash); + + return ret; } /* From 8c9ed899b44c19e81859fbb0e9d659fe2f8630fc Mon Sep 17 00:00:00 2001 From: David Howells Date: Thu, 7 May 2009 11:41:37 +0100 Subject: [PATCH 463/478] NOMMU: Don't check vm_region::vm_start is page aligned in add_nommu_region() Don't check vm_region::vm_start is page aligned in add_nommu_region() because the region may reflect some non-page-aligned mapped file, such as could be obtained from RomFS XIP. Signed-off-by: David Howells Acked-by: Greg Ungerer Signed-off-by: Linus Torvalds --- mm/nommu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/nommu.c b/mm/nommu.c index 67cd1a487ee6..b571ef707428 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -515,8 +515,6 @@ static void add_nommu_region(struct vm_region *region) validate_nommu_regions(); - BUG_ON(region->vm_start & ~PAGE_MASK); - parent = NULL; p = &nommu_region_tree.rb_node; while (*p) { From 90e4ee5d311d4e0729daa676b1d7f754265b5874 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 8 May 2009 03:04:30 +0000 Subject: [PATCH 464/478] [CIFS] Fix double list addition in cifs posix open code Remove adding open file entry twice to lists in the file Do not fill file info twice in case of posix opens and creates Signed-off-by: Shirish Pargaonkar Signed-off-by: Steve French --- fs/cifs/dir.c | 15 +++++++++------ fs/cifs/file.c | 14 -------------- 2 files changed, 9 insertions(+), 20 deletions(-) diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 461750e01364..11431ed72a7f 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -281,6 +281,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, int create_options = CREATE_NOT_DIR; int oplock = 0; int oflags; + bool posix_create = false; /* * BB below access is probably too much for mknod to request * but we have to do query and setpathinfo so requesting @@ -328,11 +329,13 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, negotation. EREMOTE indicates DFS junction, which is not handled in posix open */ - if ((rc == 0) && (newinode == NULL)) - goto cifs_create_get_file_info; /* query inode info */ - else if (rc == 0) /* success, no need to query */ - goto cifs_create_set_dentry; - else if ((rc != -EIO) && (rc != -EREMOTE) && + if (rc == 0) { + posix_create = true; + if (newinode == NULL) /* query inode info */ + goto cifs_create_get_file_info; + else /* success, no need to query */ + goto cifs_create_set_dentry; + } else if ((rc != -EIO) && (rc != -EREMOTE) && (rc != -EOPNOTSUPP)) /* path not found or net err */ goto cifs_create_out; /* else fallthrough to retry, using older open call, this is @@ -464,7 +467,7 @@ cifs_create_set_dentry: if ((nd == NULL) || (!(nd->flags & LOOKUP_OPEN))) { /* mknod case - do not leave file open */ CIFSSMBClose(xid, tcon, fileHandle); - } else if (newinode) { + } else if (!(posix_create) && (newinode)) { cifs_fill_fileinfo(newinode, fileHandle, cifs_sb->tcon, write_only); } diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 50ca088d8860..38c06f826575 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -129,15 +129,12 @@ static inline int cifs_posix_open_inode_helper(struct inode *inode, struct file *file, struct cifsInodeInfo *pCifsInode, struct cifsFileInfo *pCifsFile, int oplock, u16 netfid) { - struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); -/* struct timespec temp; */ /* BB REMOVEME BB */ file->private_data = kmalloc(sizeof(struct cifsFileInfo), GFP_KERNEL); if (file->private_data == NULL) return -ENOMEM; pCifsFile = cifs_init_private(file->private_data, inode, file, netfid); write_lock(&GlobalSMBSeslock); - list_add(&pCifsFile->tlist, &cifs_sb->tcon->openFileList); pCifsInode = CIFS_I(file->f_path.dentry->d_inode); if (pCifsInode == NULL) { @@ -145,17 +142,6 @@ static inline int cifs_posix_open_inode_helper(struct inode *inode, return -EINVAL; } - /* want handles we can use to read with first - in the list so we do not have to walk the - list to search for one in write_begin */ - if ((file->f_flags & O_ACCMODE) == O_WRONLY) { - list_add_tail(&pCifsFile->flist, - &pCifsInode->openFileList); - } else { - list_add(&pCifsFile->flist, - &pCifsInode->openFileList); - } - if (pCifsInode->clientCanCacheRead) { /* we have the inode open somewhere else no need to discard cache data */ From 61438766514a2d7f191ce1b3cf6812eabbef4ef7 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 6 May 2009 13:02:19 +0100 Subject: [PATCH 465/478] x86: fix boot hang in early_reserve_e820() If the first non-reserved (sub-)range doesn't fit the size requested, an endless loop will be entered. If a range returned from find_e820_area_size() turns out insufficient in size, the range must be skipped before calling the function again. [ Impact: fixes boot hang on some platforms ] Signed-off-by: Jan Beulich Signed-off-by: H. Peter Anvin --- arch/x86/kernel/e820.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index ef2c3563357d..006281302925 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -1074,12 +1074,13 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align) u64 addr; u64 start; - start = startt; - while (size < sizet && (start + 1)) + for (start = startt; ; start += size) { start = find_e820_area_size(start, &size, align); - - if (size < sizet) - return 0; + if (!(start + 1)) + return 0; + if (size >= sizet) + break; + } #ifdef CONFIG_X86_32 if (start >= MAXMEM) From 498343967613183611ac37dccb2846496d954c06 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 6 May 2009 13:06:47 +0100 Subject: [PATCH 466/478] x86-64: finish cleanup_highmaps()'s job wrt. _brk_end With the introduction of the .brk section, special care must be taken that no unused page table entries remain if _brk_end and _end are separated by a 2M page boundary. cleanup_highmap() runs very early and hence cannot take care of that, hence potential entries needing to be removed past _brk_end must be cleared once the brk allocator has done its job. [ Impact: avoids undesirable TLB aliases ] Signed-off-by: Jan Beulich Signed-off-by: H. Peter Anvin --- arch/x86/mm/init.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index fd3da1dda1c9..ae4f7b5d7104 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include @@ -304,8 +305,23 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, #endif #ifdef CONFIG_X86_64 - if (!after_bootmem) + if (!after_bootmem && !start) { + pud_t *pud; + pmd_t *pmd; + mmu_cr4_features = read_cr4(); + + /* + * _brk_end cannot change anymore, but it and _end may be + * located on different 2M pages. cleanup_highmap(), however, + * can only consider _end when it runs, so destroy any + * mappings beyond _brk_end here. + */ + pud = pud_offset(pgd_offset_k(_brk_end), _brk_end); + pmd = pmd_offset(pud, _brk_end - 1); + while (++pmd <= pmd_offset(pud, (unsigned long)_end - 1)) + pmd_clear(pmd); + } #endif __flush_tlb_all(); From 6407df5ca54a511054200a1eb23f78f723ca1de4 Mon Sep 17 00:00:00 2001 From: Huang Ying Date: Fri, 8 May 2009 10:51:41 +0800 Subject: [PATCH 467/478] x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP Tim Starling reported that crashdump will panic with kernel compiled with CONFIG_KEXEC_JUMP due to null pointer deference in machine_kexec_32.c: machine_kexec(), when deferencing kexec_image. Refering to: http://bugzilla.kernel.org/show_bug.cgi?id=13265 This patch fixes the BUG via replacing global variable reference: kexec_image in machine_kexec() with local variable reference: image, which is more appropriate, and will not be null. Same BUG is in machine_kexec_64.c too, so fixed too in the same way. [ Impact: fix crash on kexec ] Reported-by: Tim Starling Signed-off-by: Huang Ying LKML-Reference: <1241751101.6259.85.camel@yhuang-dev.sh.intel.com> Signed-off-by: H. Peter Anvin --- arch/x86/kernel/machine_kexec_32.c | 4 ++-- arch/x86/kernel/machine_kexec_64.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c index e7368c1da01d..c1c429d00130 100644 --- a/arch/x86/kernel/machine_kexec_32.c +++ b/arch/x86/kernel/machine_kexec_32.c @@ -194,7 +194,7 @@ void machine_kexec(struct kimage *image) unsigned int preserve_context); #ifdef CONFIG_KEXEC_JUMP - if (kexec_image->preserve_context) + if (image->preserve_context) save_processor_state(); #endif @@ -253,7 +253,7 @@ void machine_kexec(struct kimage *image) image->preserve_context); #ifdef CONFIG_KEXEC_JUMP - if (kexec_image->preserve_context) + if (image->preserve_context) restore_processor_state(); #endif diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index 89cea4d44679..84c3bf209e98 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -274,7 +274,7 @@ void machine_kexec(struct kimage *image) int save_ftrace_enabled; #ifdef CONFIG_KEXEC_JUMP - if (kexec_image->preserve_context) + if (image->preserve_context) save_processor_state(); #endif @@ -333,7 +333,7 @@ void machine_kexec(struct kimage *image) image->preserve_context); #ifdef CONFIG_KEXEC_JUMP - if (kexec_image->preserve_context) + if (image->preserve_context) restore_processor_state(); #endif From 33df4db04a79660150e1948e3296eeb451ac121b Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 7 May 2009 11:56:44 -0700 Subject: [PATCH 468/478] x86: xen, i386: reserve Xen pagetables The Xen pagetables are no longer implicitly reserved as part of the other i386_start_kernel reservations, so make sure we explicitly reserve them. This prevents them from being released into the general kernel free page pool and reused. [ Impact: fix Xen guest crash ] Also-Bisected-by: Bryan Donlan Signed-off-by: Jeremy Fitzhardinge Cc: Xen-devel Cc: Linus Torvalds LKML-Reference: <4A032EEC.30509@goop.org> Signed-off-by: Ingo Molnar --- arch/x86/xen/mmu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 9842b1212407..e25a78e1113a 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1794,6 +1794,11 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(swapper_pg_dir))); + reserve_early(__pa(xen_start_info->pt_base), + __pa(xen_start_info->pt_base + + xen_start_info->nr_pt_frames * PAGE_SIZE), + "XEN PAGETABLES"); + return swapper_pg_dir; } #endif /* CONFIG_X86_64 */ From e5299926d7459d9fa7c7f856983147817aedb10e Mon Sep 17 00:00:00 2001 From: Hidetoshi Seto Date: Fri, 8 May 2009 17:28:40 +0900 Subject: [PATCH 469/478] x86: MCE: make cmci_discover_lock irq-safe Lockdep reports the warning below when Li tries to offline one cpu: [ 110.835487] ================================= [ 110.835616] [ INFO: inconsistent lock state ] [ 110.835688] 2.6.30-rc4-00336-g8c9ed89 #52 [ 110.835757] --------------------------------- [ 110.835828] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 110.835908] swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 110.835982] (cmci_discover_lock){?.+...}, at: [] cmci_clear+0x30/0x9b cmci_clear() can be called via smp_call_function_single(). It is better to disable interrupt while holding cmci_discover_lock, to turn it into an irq-safe lock - we can deadlock otherwise. [ Impact: fix possible deadlock in the MCE code ] Reported-by: Shaohua Li Signed-off-by: Hidetoshi Seto Cc: Andi Kleen Cc: Andrew Morton LKML-Reference: <4A03ED38.8000700@jp.fujitsu.com> Signed-off-by: Ingo Molnar Reported-by: Shaohua Li --- arch/x86/kernel/cpu/mcheck/mce_intel_64.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel_64.c b/arch/x86/kernel/cpu/mcheck/mce_intel_64.c index d6b72df89d69..cef3ee30744b 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_intel_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_intel_64.c @@ -151,10 +151,11 @@ static void print_update(char *type, int *hdr, int num) static void cmci_discover(int banks, int boot) { unsigned long *owned = (void *)&__get_cpu_var(mce_banks_owned); + unsigned long flags; int hdr = 0; int i; - spin_lock(&cmci_discover_lock); + spin_lock_irqsave(&cmci_discover_lock, flags); for (i = 0; i < banks; i++) { u64 val; @@ -184,7 +185,7 @@ static void cmci_discover(int banks, int boot) WARN_ON(!test_bit(i, __get_cpu_var(mce_poll_banks))); } } - spin_unlock(&cmci_discover_lock); + spin_unlock_irqrestore(&cmci_discover_lock, flags); if (hdr) printk(KERN_CONT "\n"); } @@ -211,13 +212,14 @@ void cmci_recheck(void) */ void cmci_clear(void) { + unsigned long flags; int i; int banks; u64 val; if (!cmci_supported(&banks)) return; - spin_lock(&cmci_discover_lock); + spin_lock_irqsave(&cmci_discover_lock, flags); for (i = 0; i < banks; i++) { if (!test_bit(i, __get_cpu_var(mce_banks_owned))) continue; @@ -227,7 +229,7 @@ void cmci_clear(void) wrmsrl(MSR_IA32_MC0_CTL2 + i, val); __clear_bit(i, __get_cpu_var(mce_banks_owned)); } - spin_unlock(&cmci_discover_lock); + spin_unlock_irqrestore(&cmci_discover_lock, flags); } /* From cd1a6de7d4a492bf3405a6c070075a4cb8c90262 Mon Sep 17 00:00:00 2001 From: Peter Horton Date: Fri, 8 May 2009 13:51:53 +0100 Subject: [PATCH 470/478] mtd: fix timeout in M25P80 driver Extend erase timeout in M25P80 SPI Flash driver. The M25P80 drivers fails erasing sectors on a M25P128 because the ready wait timeout is too short. Change the timeout from a simple loop count to a suitable number of seconds. Signed-off-by: Peter Horton Tested-by: Martin Michlmayr Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- drivers/mtd/devices/m25p80.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index dfadef84c052..cc6369ea67dd 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -54,7 +54,7 @@ #define SR_SRWD 0x80 /* SR write protect */ /* Define max times to check status register before we give up. */ -#define MAX_READY_WAIT_COUNT 1000000 +#define MAX_READY_WAIT_JIFFIES (10 * HZ) /* eg. M25P128 specs 6s max sector erase */ #define CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ @@ -139,20 +139,20 @@ static inline int write_enable(struct m25p *flash) */ static int wait_till_ready(struct m25p *flash) { - int count; + unsigned long deadline; int sr; - /* one chip guarantees max 5 msec wait here after page writes, - * but potentially three seconds (!) after page erase. - */ - for (count = 0; count < MAX_READY_WAIT_COUNT; count++) { + deadline = jiffies + MAX_READY_WAIT_JIFFIES; + + do { if ((sr = read_sr(flash)) < 0) break; else if (!(sr & SR_WIP)) return 0; - /* REVISIT sometimes sleeping would be best */ - } + cond_resched(); + + } while (!time_after_eq(jiffies, deadline)); return 1; } From b9008708f24de8fb9bdbfb5d3b27e36d5a357eda Mon Sep 17 00:00:00 2001 From: Luca Tettamanti Date: Fri, 8 May 2009 20:27:28 +0200 Subject: [PATCH 471/478] hwmon: (asus_atk0110) Fix compiler warning atk_sensor_type is only used when DEBUG is defined. Signed-off-by: Luca Tettamanti Signed-off-by: Jean Delvare --- drivers/hwmon/asus_atk0110.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index 0897edef2574..bff0103610c1 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -348,6 +348,7 @@ static int validate_hwmon_pack(struct atk_data *data, union acpi_object *obj) return 0; } +#ifdef DEBUG static char const *atk_sensor_type(union acpi_object *flags) { u64 type = flags->integer.value & ATK_TYPE_MASK; @@ -370,6 +371,7 @@ static char const *atk_sensor_type(union acpi_object *flags) return what; } +#endif static void atk_print_sensor(struct atk_data *data, union acpi_object *obj) { From 848ddf116b3d1711c956fac8627be12dfe8d736f Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Fri, 8 May 2009 20:27:28 +0200 Subject: [PATCH 472/478] hwmon: (w83781d) Fix W83782D support (NULL pointer dereference) Commit 360782dde00a2e6e7d9fd57535f90934707ab8a8 (hwmon: (w83781d) Stop abusing struct i2c_client for ISA devices) broke W83782D support for devices connected on the ISA bus. You will hit a NULL pointer dereference as soon as you read any device attribute. Other devices, and W83782D devices on the SMBus, aren't affected. Reported-by: Michel Abraham Signed-off-by: Jean Delvare Tested-by: Michel Abraham --- drivers/hwmon/w83781d.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index dbfb30c588d8..0bdab959b736 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -1462,7 +1462,8 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) data->pwm[i] = w83781d_read_value(data, W83781D_REG_PWM[i]); - if ((data->type != w83782d || !client->driver) + /* Only W83782D on SMBus has PWM3 and PWM4 */ + if ((data->type != w83782d || !client) && i == 1) break; } From 201517a7f3ec497fff545a7659c6c876f89f9054 Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Thu, 7 May 2009 16:31:26 -0400 Subject: [PATCH 473/478] kprobes: fix to use text_mutex around arm/disarm kprobe Fix kprobes to lock text_mutex around some arch_arm/disarm_kprobe() which are newly added by commit de5bd88d5a5cce3cacea904d3503e5ebdb3852a2. Signed-off-by: Masami Hiramatsu Acked-by: Ananth N Mavinakayanahalli Cc: Mathieu Desnoyers Cc: Jim Keniston Cc: Ingo Molnar Signed-off-by: Linus Torvalds --- kernel/kprobes.c | 31 ++++++++++++++++++++++--------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index a5e74ddee0e2..c0fa54b276d9 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -319,6 +319,22 @@ struct kprobe __kprobes *get_kprobe(void *addr) return NULL; } +/* Arm a kprobe with text_mutex */ +static void __kprobes arm_kprobe(struct kprobe *kp) +{ + mutex_lock(&text_mutex); + arch_arm_kprobe(kp); + mutex_unlock(&text_mutex); +} + +/* Disarm a kprobe with text_mutex */ +static void __kprobes disarm_kprobe(struct kprobe *kp) +{ + mutex_lock(&text_mutex); + arch_disarm_kprobe(kp); + mutex_unlock(&text_mutex); +} + /* * Aggregate handlers for multiple kprobes support - these handlers * take care of invoking the individual kprobe handlers on p->list @@ -538,7 +554,7 @@ static int __kprobes add_new_kprobe(struct kprobe *ap, struct kprobe *p) ap->flags &= ~KPROBE_FLAG_DISABLED; if (!kprobes_all_disarmed) /* Arm the breakpoint again. */ - arch_arm_kprobe(ap); + arm_kprobe(ap); } return 0; } @@ -789,11 +805,8 @@ static int __kprobes __unregister_kprobe_top(struct kprobe *p) * enabled and not gone - otherwise, the breakpoint would * already have been removed. We save on flushing icache. */ - if (!kprobes_all_disarmed && !kprobe_disabled(old_p)) { - mutex_lock(&text_mutex); - arch_disarm_kprobe(p); - mutex_unlock(&text_mutex); - } + if (!kprobes_all_disarmed && !kprobe_disabled(old_p)) + disarm_kprobe(p); hlist_del_rcu(&old_p->hlist); } else { if (p->break_handler && !kprobe_gone(p)) @@ -810,7 +823,7 @@ noclean: if (!kprobe_disabled(old_p)) { try_to_disable_aggr_kprobe(old_p); if (!kprobes_all_disarmed && kprobe_disabled(old_p)) - arch_disarm_kprobe(old_p); + disarm_kprobe(old_p); } } return 0; @@ -1364,7 +1377,7 @@ int __kprobes disable_kprobe(struct kprobe *kp) try_to_disable_aggr_kprobe(p); if (!kprobes_all_disarmed && kprobe_disabled(p)) - arch_disarm_kprobe(p); + disarm_kprobe(p); out: mutex_unlock(&kprobe_mutex); return ret; @@ -1393,7 +1406,7 @@ int __kprobes enable_kprobe(struct kprobe *kp) } if (!kprobes_all_disarmed && kprobe_disabled(p)) - arch_arm_kprobe(p); + arm_kprobe(p); p->flags &= ~KPROBE_FLAG_DISABLED; if (p != kp) From 091bf7624d1c90cec9e578a18529f615213ff847 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Fri, 8 May 2009 17:14:14 -0700 Subject: [PATCH 474/478] Linux 2.6.30-rc5 --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index b18afad2e100..9b2b58c3b3db 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 30 -EXTRAVERSION = -rc4 +EXTRAVERSION = -rc5 NAME = Vindictive Armadillo # *DOCUMENTATION* From 61fe91e1319556f32bebfd7ed2c68ef02e2c17f7 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 9 May 2009 23:47:42 -0700 Subject: [PATCH 475/478] x86: apic: Check rev 3 fadt correctly for physical_apic bit Impact: fix fadt version checking FADT2_REVISION_ID has value 3 aka rev 3 FADT. So need to use >= instead of >, as other places in the code do. [ Impact: extend scope of APIC boot quirk ] Signed-off-by: Yinghai Lu LKML-Reference: Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/apic_flat_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index 306e5e88fb6f..744e6d8af27b 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -235,7 +235,7 @@ static int physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id) * regardless of how many processors are present (x86_64 ES7000 * is an example). */ - if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID && + if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID && (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) { printk(KERN_DEBUG "system APIC only can use physical flat"); return 1; From 4401da6111ac58f94234417427d06a72c4048c74 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 2 May 2009 10:40:57 -0700 Subject: [PATCH 476/478] x86: read apic ID in the !acpi_lapic case Ed found that on 32-bit, boot_cpu_physical_apicid is not read right, when the mptable is broken. Interestingly, actually three paths use/set it: 1. acpi: at that time that is already read from reg 2. mptable: only read from mptable 3. no madt, and no mptable, that use default apic id 0 for 64-bit, -1 for 32-bit so we could read the apic id for the 2/3 path. We trust the hardware register more than we trust a BIOS data structure (the mptable). We can also avoid the double set_fixmap() when acpi_lapic is used, and also need to move cpu_has_apic earlier and call apic_disable(). Also when need to update the apic id, we'd better read and set the apic version as well - so that quirks are applied precisely. v2: make path 3 with 64bit, use -1 as apic id, so could read it later. v3: fix whitespace problem pointed out by Ed Swierk [ Impact: get correct apic id for bsp other than acpi path ] Reported-by: Ed Swierk Signed-off-by: Yinghai Lu Acked-by: Cyrill Gorcunov LKML-Reference: <49FC85A9.2070702@kernel.org> [ v4: sanity-check in the ACPI case too ] Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/apic.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index e258bedce7cb..1ee966f4ae95 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1456,7 +1456,6 @@ static int __init detect_init_APIC(void) } mp_lapic_addr = APIC_DEFAULT_PHYS_BASE; - boot_cpu_physical_apicid = 0; return 0; } #else @@ -1570,6 +1569,8 @@ void __init early_init_lapic_mapping(void) */ void __init init_apic_mappings(void) { + unsigned int new_apicid; + if (x2apic_mode) { boot_cpu_physical_apicid = read_apic_id(); return; @@ -1586,21 +1587,31 @@ void __init init_apic_mappings(void) } else apic_phys = mp_lapic_addr; - set_fixmap_nocache(FIX_APIC_BASE, apic_phys); + /* lets check if we may NOP'ify apic operations */ + if (!cpu_has_apic) { + pr_info("APIC: disable apic facility\n"); + apic_disable(); + return; + } + + /* + * acpi lapic path already maps that address in + * acpi_register_lapic_address() + */ + if (!acpi_lapic) + set_fixmap_nocache(FIX_APIC_BASE, apic_phys); + apic_printk(APIC_VERBOSE, "mapped APIC to %08lx (%08lx)\n", APIC_BASE, apic_phys); - /* * Fetch the APIC ID of the BSP in case we have a * default configuration (or the MP table is broken). */ - if (boot_cpu_physical_apicid == -1U) - boot_cpu_physical_apicid = read_apic_id(); - - /* lets check if we may to NOP'ify apic operations */ - if (!cpu_has_apic) { - pr_info("APIC: disable apic facility\n"); - apic_disable(); + new_apicid = read_apic_id(); + if (boot_cpu_physical_apicid != new_apicid) { + boot_cpu_physical_apicid = new_apicid; + apic_version[new_apicid] = + GET_APIC_VERSION(apic_read(APIC_LVR)); } } From 97a52714658cd959a3cfa35c5b6f489859f0204b Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Fri, 8 May 2009 18:23:50 +0200 Subject: [PATCH 477/478] x86: display extended apic registers with print_local_APIC and cpu_debug code Both print_local_APIC (used when apic=debug kernel param is set) and cpu_debug code missed support for some extended APIC registers that I'd like to see. This adds support to show: - extended APIC feature register - extended APIC control register - extended LVT registers [ Impact: print more debug info ] Signed-off-by: Andreas Herrmann Cc: Jaswinder Singh Rajput Cc: Cyrill Gorcunov LKML-Reference: <20090508162350.GO29045@alberich.amd.com> Signed-off-by: Ingo Molnar --- arch/x86/include/asm/apicdef.h | 8 ++++---- arch/x86/kernel/apic/apic.c | 2 +- arch/x86/kernel/apic/io_apic.c | 14 +++++++++++++- arch/x86/kernel/cpu/cpu_debug.c | 14 +++++++++++++- 4 files changed, 31 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h index bc9514fb3b13..7ddb36ab933b 100644 --- a/arch/x86/include/asm/apicdef.h +++ b/arch/x86/include/asm/apicdef.h @@ -22,6 +22,7 @@ # define APIC_INTEGRATED(x) (1) #endif #define APIC_XAPIC(x) ((x) >= 0x14) +#define APIC_EXT_SPACE(x) ((x) & 0x80000000) #define APIC_TASKPRI 0x80 #define APIC_TPRI_MASK 0xFFu #define APIC_ARBPRI 0x90 @@ -116,7 +117,9 @@ #define APIC_TDR_DIV_32 0x8 #define APIC_TDR_DIV_64 0x9 #define APIC_TDR_DIV_128 0xA -#define APIC_EILVT0 0x500 +#define APIC_EFEAT 0x400 +#define APIC_ECTRL 0x410 +#define APIC_EILVTn(n) (0x500 + 0x10 * n) #define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */ #define APIC_EILVT_NR_AMD_10H 4 #define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF) @@ -125,9 +128,6 @@ #define APIC_EILVT_MSG_NMI 0x4 #define APIC_EILVT_MSG_EXT 0x7 #define APIC_EILVT_MASKED (1 << 16) -#define APIC_EILVT1 0x510 -#define APIC_EILVT2 0x520 -#define APIC_EILVT3 0x530 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) #define APIC_BASE_MSR 0x800 diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 1ee966f4ae95..0e6543fafb50 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -395,7 +395,7 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask) { - unsigned long reg = (lvt_off << 4) + APIC_EILVT0; + unsigned long reg = (lvt_off << 4) + APIC_EILVTn(0); unsigned int v = (mask << 16) | (msg_type << 8) | vector; apic_write(reg, v); diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 2afe145d277f..65b824c9c4fc 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1739,7 +1739,7 @@ __apicdebuginit(void) print_APIC_bitfield(int base) __apicdebuginit(void) print_local_APIC(void *dummy) { - unsigned int v, ver, maxlvt; + unsigned int i, v, ver, maxlvt; u64 icr; if (apic_verbosity == APIC_QUIET) @@ -1827,6 +1827,18 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC TMCCT: %08x\n", v); v = apic_read(APIC_TDCR); printk(KERN_DEBUG "... APIC TDCR: %08x\n", v); + + if (boot_cpu_has(X86_FEATURE_EXTAPIC)) { + v = apic_read(APIC_EFEAT); + maxlvt = (v >> 16) & 0xff; + printk(KERN_DEBUG "... APIC EFEAT: %08x\n", v); + v = apic_read(APIC_ECTRL); + printk(KERN_DEBUG "... APIC ECTRL: %08x\n", v); + for (i = 0; i < maxlvt; i++) { + v = apic_read(APIC_EILVTn(i)); + printk(KERN_DEBUG "... APIC EILVT%d: %08x\n", i, v); + } + } printk("\n"); } diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c index 46e29ab96c6a..2fc4f6bb9ca5 100644 --- a/arch/x86/kernel/cpu/cpu_debug.c +++ b/arch/x86/kernel/cpu/cpu_debug.c @@ -588,8 +588,20 @@ static void print_apic(void *arg) seq_printf(seq, " TMICT\t\t: %08x\n", apic_read(APIC_TMICT)); seq_printf(seq, " TMCCT\t\t: %08x\n", apic_read(APIC_TMCCT)); seq_printf(seq, " TDCR\t\t: %08x\n", apic_read(APIC_TDCR)); -#endif /* CONFIG_X86_LOCAL_APIC */ + if (boot_cpu_has(X86_FEATURE_EXTAPIC)) { + unsigned int i, v, maxeilvt; + v = apic_read(APIC_EFEAT); + maxeilvt = (v >> 16) & 0xff; + seq_printf(seq, " EFEAT\t\t: %08x\n", v); + seq_printf(seq, " ECTRL\t\t: %08x\n", apic_read(APIC_ECTRL)); + + for (i = 0; i < maxeilvt; i++) { + v = apic_read(APIC_EILVTn(i)); + seq_printf(seq, " EILVT%d\t\t: %08x\n", i, v); + } + } +#endif /* CONFIG_X86_LOCAL_APIC */ seq_printf(seq, "\n MSR\t:\n"); } From cec6be6d1069d697beb490bbb40a290d5ff554a2 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 11 May 2009 17:41:40 +0400 Subject: [PATCH 478/478] x86: apic: Fixmap apic address even if apic disabled In case if apic were disabled by boot option we still need read_apic operation. So fixmap a fake apic area if needed. [ Impact: fix boot crash ] Signed-off-by: Cyrill Gorcunov Cc: yinghai@kernel.org Cc: eswierk@aristanetworks.com LKML-Reference: <20090511134140.GH4624@lenovo> Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/apic.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 0e6543fafb50..07cffc1214cb 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1587,13 +1587,6 @@ void __init init_apic_mappings(void) } else apic_phys = mp_lapic_addr; - /* lets check if we may NOP'ify apic operations */ - if (!cpu_has_apic) { - pr_info("APIC: disable apic facility\n"); - apic_disable(); - return; - } - /* * acpi lapic path already maps that address in * acpi_register_lapic_address() @@ -1602,7 +1595,15 @@ void __init init_apic_mappings(void) set_fixmap_nocache(FIX_APIC_BASE, apic_phys); apic_printk(APIC_VERBOSE, "mapped APIC to %08lx (%08lx)\n", - APIC_BASE, apic_phys); + APIC_BASE, apic_phys); + + /* lets check if we may NOP'ify apic operations */ + if (!cpu_has_apic) { + pr_info("APIC: disable apic facility\n"); + apic_disable(); + return; + } + /* * Fetch the APIC ID of the BSP in case we have a * default configuration (or the MP table is broken).