Commit graph

1616 commits

Author SHA1 Message Date
Himanshu Madhani
940a7f09ad qla2xxx: Remove unavailable firmware files
Remove firmware binary names for the ISPs, which are not submitted to
linux-firmware.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Reviewed-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-18 12:03:29 -05:00
Bart Van Assche
0874f8ec9b qla2xxx: Fix rwlock recursion
This patch fixes the following kernel bug:

kernel:BUG: rwlock recursion on CPU#2, insmod/39333, ffff8803e998cb28
kernel: Call Trace:
kernel: [<ffffffff812bce44>] dump_stack+0x48/0x64
kernel: [<ffffffff810a8047>] rwlock_bug+0x67/0x70
kernel: [<ffffffff810a833a>] do_raw_write_lock+0x8a/0xa0
kernel: [<ffffffff815f3033>] _raw_write_lock_irqsave+0x63/0x80
kernel: [<ffffffffa08087c8>] qla82xx_rd_32+0xe8/0x140 [qla2xxx]
kernel: [<ffffffffa0808845>] qla82xx_crb_win_lock+0x25/0x60 [qla2xxx]
kernel: [<ffffffffa0808976>] qla82xx_wr_32+0xf6/0x150 [qla2xxx]
kernel: [<ffffffffa0808ac0>] qla82xx_disable_intrs+0x50/0x80 [qla2xxx]
kernel: [<ffffffffa080630a>] qla82xx_reset_chip+0x1a/0x20 [qla2xxx]
kernel: [<ffffffffa07d6ef2>] qla2x00_initialize_adapter+0x132/0x420 [qla2xxx]
kernel: [<ffffffffa08087c8>] qla82xx_rd_32+0xe8/0x140 [qla2xxx]
kernel: [<ffffffffa0808845>] qla82xx_crb_win_lock+0x25/0x60 [qla2xxx]
kernel: [<ffffffffa0808976>] qla82xx_wr_32+0xf6/0x150 [qla2xxx]
kernel: [<ffffffffa0808ac0>] qla82xx_disable_intrs+0x50/0x80 [qla2xxx]
kernel: [<ffffffffa080630a>] qla82xx_reset_chip+0x1a/0x20 [qla2xxx]
kernel: [<ffffffffa07d6ef2>] qla2x00_initialize_adapter+0x132/0x420 [qla2xxx]
kernel: [<ffffffffa07c964e>] qla2x00_probe_one+0xefe/0x2130 [qla2xxx]
kernel: [<ffffffff8130052c>] local_pci_probe+0x4c/0xa0
kernel: [<ffffffff81300603>] pci_call_probe+0x83/0xa0
kernel: [<ffffffff813008cf>] pci_device_probe+0x7f/0xb0
kernel: [<ffffffff813e2e83>] really_probe+0x133/0x390
kernel: [<ffffffff813e3139>] driver_probe_device+0x59/0xd0
kernel: [<ffffffff813e3251>] __driver_attach+0xa1/0xb0
kernel: [<ffffffff813e0cdd>] bus_for_each_dev+0x8d/0xb0
kernel: [<ffffffff813e28ee>] driver_attach+0x1e/0x20
kernel: [<ffffffff813e2252>] bus_add_driver+0x1d2/0x290
kernel: [<ffffffff813e3970>] driver_register+0x60/0xe0
kernel: [<ffffffff813009e4>] __pci_register_driver+0x64/0x70
kernel: [<ffffffffa04bc1cb>] qla2x00_module_init+0x1cb/0x21b [qla2xxx]
kernel: [<ffffffff8100027d>] do_one_initcall+0xad/0x1c0
kernel: [<ffffffff810e2859>] do_init_module+0x69/0x210
kernel: [<ffffffff810e4e5c>] load_module+0x5cc/0x750
kernel: [<ffffffff810e5162>] SyS_init_module+0x92/0xc0
kernel: [<ffffffff815f37d7>] entry_SYSCALL_64_fastpath+0x12/0x6f

Fixes: 8dfa4b5a9b ("qla2xxx: Fix sparse annotation")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reported-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Tested-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Chad Dupuis <chad.dupuis@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: Xose Vazquez Perez <xose.vazquez@gmail.com>
Cc: stable <stable@vger.kernel.org> # v4.3+
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-17 18:21:22 -05:00
Linus Torvalds
d83763f4a6 SCSI misc on 20151113
Sorry for the delay in this patch which was mostly caused by getting the
 merger of the mpt2/mpt3sas driver, which was seen as an essential item of
 maintenance work to do before the drivers diverge too much.  Unfortunately,
 this caused a compile failure (detected by linux-next), which then had to be
 fixed up and incubated.  In addition to the mpt2/3sas rework, there are
 updates from pm80xx, lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc
 and ufs plus an assortment of changes including some year 2038 issues, a fix
 for a remove before detach issue in some drivers and a couple of other minor
 issues.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull final round of SCSI updates from James Bottomley:
 "Sorry for the delay in this patch which was mostly caused by getting
  the merger of the mpt2/mpt3sas driver, which was seen as an essential
  item of maintenance work to do before the drivers diverge too much.
  Unfortunately, this caused a compile failure (detected by linux-next),
  which then had to be fixed up and incubated.

  In addition to the mpt2/3sas rework, there are updates from pm80xx,
  lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc and ufs plus
  an assortment of changes including some year 2038 issues, a fix for a
  remove before detach issue in some drivers and a couple of other minor
  issues"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
  mpt3sas: fix inline markers on non inline function declarations
  sd: Clear PS bit before Mode Select.
  ibmvscsi: set max_lun to 32
  ibmvscsi: display default value for max_id, max_lun and max_channel.
  mptfusion: don't allow negative bytes in kbuf_alloc_2_sgl()
  scsi: pmcraid: replace struct timeval with ktime_get_real_seconds()
  mvumi: 64bit value for seconds_since1970
  be2iscsi: Fix bogus WARN_ON length check
  scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice
  mpt3sas: Bump mpt3sas driver version to 09.102.00.00
  mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs
  mpt2sas, mpt3sas: Update the driver versions
  mpt3sas: setpci reset kernel oops fix
  mpt3sas: Added OEM Gen2 PnP ID branding names
  mpt3sas: Refcount fw_events and fix unsafe list usage
  mpt3sas: Refcount sas_device objects and fix unsafe list usage
  mpt3sas: sysfs attribute to report Backup Rail Monitor Status
  mpt3sas: Ported WarpDrive product SSS6200 support
  mpt3sas: fix for driver fails EEH, recovery from injected pci bus error
  mpt3sas: Manage MSI-X vectors according to HBA device type
  ...
2015-11-13 20:35:54 -08:00
Christoph Hellwig
64d513ac31 scsi: use host wide tags by default
This patch changes the !blk-mq path to the same defaults as the blk-mq
I/O path by always enabling block tagging, and always using host wide
tags.  We've had blk-mq available for a few releases so bugs with
this mode should have been ironed out, and this ensures we get better
coverage of over tagging setup over different configs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-11-09 17:11:57 -08:00
Christoph Hellwig
2eafd72939 target: use per-attribute show and store methods
This also allows to remove the target-specific old configfs macros, and
gets rid of the target_core_fabric_configfs.h header which only had one
function declaration left that could be moved to a better place.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-10-13 22:17:49 -07:00
Linus Torvalds
05c78081d2 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "Here are the outstanding target-pending updates for v4.3-rc1.

  Mostly bug-fixes and minor changes this round.  The fallout from the
  big v4.2-rc1 RCU conversion have (thus far) been minimal.

  The highlights this round include:

   - Move sense handling routines into scsi_common code (Sagi)

   - Return ABORTED_COMMAND sense key for PI errors (Sagi)

   - Add tpg_enabled_sendtargets attribute for disabled iscsi-target
     discovery (David)

   - Shrink target struct se_cmd by rearranging fields (Roland)

   - Drop iSCSI use of mutex around max_cmd_sn increment (Roland)

   - Replace iSCSI __kernel_sockaddr_storage with sockaddr_storage (Andy +
     Chris)

   - Honor fabric max_data_sg_nents I/O transfer limit (Arun + Himanshu +
     nab)

   - Fix EXTENDED_COPY >= v4.1 regression OOPsen (Alex + nab)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (37 commits)
  target: use stringify.h instead of own definition
  target/user: Fix UFLAG_UNKNOWN_OP handling
  target: Remove no-op conditional
  target/user: Remove unused variable
  target: Fix max_cmd_sn increment w/o cmdsn mutex regressions
  target: Attach EXTENDED_COPY local I/O descriptors to xcopy_pt_sess
  target/qla2xxx: Honor max_data_sg_nents I/O transfer limit
  target/iscsi: Replace __kernel_sockaddr_storage with sockaddr_storage
  target/iscsi: Replace conn->login_ip with login_sockaddr
  target/iscsi: Keep local_ip as the actual sockaddr
  target/iscsi: Fix np_ip bracket issue by removing np_ip
  target: Drop iSCSI use of mutex around max_cmd_sn increment
  qla2xxx: Update tcm_qla2xxx module description to 24xx+
  iscsi-target: Add tpg_enabled_sendtargets for disabled discovery
  drivers: target: Drop unlikely before IS_ERR(_OR_NULL)
  target: check DPO/FUA usage for COMPARE AND WRITE
  target: Shrink struct se_cmd by rearranging fields
  target: Remove cmd->se_ordered_id (unused except debug log lines)
  target: add support for START_STOP_UNIT SCSI opcode
  target: improve unsupported opcode message
  ...
2015-09-11 19:00:42 -07:00
Nicholas Bellinger
8f9b565482 target/qla2xxx: Honor max_data_sg_nents I/O transfer limit
This patch adds an optional fabric driver provided SGL limit
that target-core will honor as it's own internal I/O maximum
transfer length limit, as exposed by EVPD=0xb0 block limits
parameters.

This is required for handling cases when host I/O transfer
length exceeds the requested EVPD block limits maximum
transfer length. The initial user of this logic is qla2xxx,
so that we can avoid having to reject I/Os from some legacy
FC hosts where EVPD=0xb0 parameters are not honored.

When se_cmd payload length exceeds the provided limit in
target_check_max_data_sg_nents() code, se_cmd->data_length +
se_cmd->prot_length are reset with se_cmd->residual_count
plus underflow bit for outgoing TFO response callbacks.
It also checks for existing CDB level underflow + overflow
and recalculates final residual_count as necessary.

Note this patch currently assumes 1:1 mapping of PAGE_SIZE
per struct scatterlist entry.

Reported-by: Craig Watson <craig.watson@vanguard-rugged.com>
Cc: Craig Watson <craig.watson@vanguard-rugged.com>
Tested-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Roland Dreier <roland@purestorage.com>
Cc: Arun Easi <arun.easi@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-09-11 00:31:39 -07:00
Linus Torvalds
df910390e2 SCSI misc on 20150901
This includes one new driver: cxlflash plus the usual grab bag of updates for
 the major drivers: qla2xxx, ipr, storvsc, pm80xx, hptiop, plus a few assorted
 fixes.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "This includes one new driver: cxlflash plus the usual grab bag of
  updates for the major drivers: qla2xxx, ipr, storvsc, pm80xx, hptiop,
  plus a few assorted fixes.

  There's another tranch coming, but I want to incubate it another few
  days in the checkers, plus it includes a mpt2sas separated lifetime
  fix, which Avago won't get done testing until Friday"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (85 commits)
  aic94xx: set an error code on failure
  storvsc: Set the error code correctly in failure conditions
  storvsc: Allow write_same when host is windows 10
  storvsc: use storage protocol version to determine storage capabilities
  storvsc: use correct defaults for values determined by protocol negotiation
  storvsc: Untangle the storage protocol negotiation from the vmbus protocol negotiation.
  storvsc: Use a single value to track protocol versions
  storvsc: Rather than look for sets of specific protocol versions, make decisions based on ranges.
  cxlflash: Remove unused variable from queuecommand
  cxlflash: shift wrapping bug in afu_link_reset()
  cxlflash: off by one bug in cxlflash_show_port_status()
  cxlflash: Virtual LUN support
  cxlflash: Superpipe support
  cxlflash: Base error recovery support
  qla2xxx: Update driver version to 8.07.00.26-k
  qla2xxx: Add pci device id 0x2261.
  qla2xxx: Fix missing device login retries.
  qla2xxx: do not clear slot in outstanding cmd array
  qla2xxx: Remove decrement of sp reference count in abort handler.
  qla2xxx: Add support to show MPI and PEP FW version for ISP27xx.
  ...
2015-09-02 12:22:54 -07:00
Himanshu Madhani
ef2a388dfc qla2xxx: Update driver version to 8.07.00.26-k
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:51:01 -07:00
Sawan Chandak
2b48992f65 qla2xxx: Add pci device id 0x2261.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:50:16 -07:00
Arun Easi
a1d0285ecb qla2xxx: Fix missing device login retries.
On certain conditions, login failures will just invoke
qla2x00_mark_device_lost() with the intend to do login again;
but if login_retry has been set already, that would fail to set the
relogin needed flag which is required to wakeup the DPC to retry.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:49:23 -07:00
Himanshu Madhani
63e322aaa6 qla2xxx: do not clear slot in outstanding cmd array
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:48:44 -07:00
Chad Dupuis
96219424f2 qla2xxx: Remove decrement of sp reference count in abort handler.
Fix for memory leak when command is not found by firmware due to
mismatch in sp reference count.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:47:45 -07:00
Sawan Chandak
03aa868c1b qla2xxx: Add support to show MPI and PEP FW version for ISP27xx.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:46:52 -07:00
Chad Dupuis
fd49a540ea qla2xxx: Do not reset ISP for error entry with an out of range handle.
Instead of resetting the adapter wait for the login to timeout
and retry. Resetting the adapter can cause extended path recovery
times.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:46:05 -07:00
Chad Dupuis
c7bc4cae0d qla2xxx: Do not reset adapter if SRB handle is in range.
If an SRB is NULL but the handle is in range just drop the
command instead of also resetting the adapter. If the handle
is in range then the command was valid at some point and may
have been aborted. Resetting the adapter can lead to extended
recovery times in this case.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:45:27 -07:00
Hiral Patel
8fbdac8c70 qla2xxx: Do not crash system for sp ref count zero
Aovid crashing the system in the scenario where firmware
just completes the command and it can not find the command
during abort mailbox processing. This scenario can lead to
sp reference counter being zero. Instead of crashing the
system, use WARN_ON to print warning in log file.

Signed-off-by: Hiral Patel <hiral.patel@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:44:45 -07:00
Saurav Kashyap
d6b9b42b49 qla2xxx: Add adapter checks for FAWWN functionality.
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:43:59 -07:00
Joe Carnuccio
8dd7e3a559 qla2xxx: Pause risc before manipulating risc semaphore.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:43:12 -07:00
Joe Carnuccio
cc79076439 qla2xxx: Use ssdid to gate semaphore manipulation.
Execute qla25xx_manipulate_risc_semaphore() only for
ssdid 0x0175 and 0x0240.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:40:44 -07:00
Joe Carnuccio
17cac3a175 qla2xxx: Handle AEN8014 incoming port logout.
When we get logged out, mark the port lost and set dpc flag for relogin.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:39:16 -07:00
Joe Carnuccio
f299c7c2ab qla2xxx: Add serdes register read/write support for ISP25xx.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 17:37:00 -07:00
Dilip Kumar Uppugandla
5155ce5f83 qla2xxx: Return the fabric command state for non-task management requests
Invoking get_cmd_state for qla2xxx always returns 0. Instead change it
to return the actual fabric state from qla_tgt_cmd. This will help with
debugging.

Signed-off-by: Dilip Kumar Uppugandla <dilip@purestorage.com>
Signed-off-by: Spencer Baugh <sbaugh@catern.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 16:31:58 -07:00
Bart Van Assche
8d16366b5f qla2xxx: Avoid that sparse complains about context imbalances
Surround conditional locking statements with "#ifndef __CHECKER__" /
"#endif" to hide these for the sparse static source code analysis
tool.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:46:04 -07:00
Bart Van Assche
8a318fe160 qla2xxx: Remove dead code
The "return QLA_SUCCESS" statement just above the "fw_load_failed"
label cannot be reached, hence remove it. Additionally remove the
"else" keyword since the code block below the if-statement ends
with a return statement.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:45:02 -07:00
Bart Van Assche
82e6afd49d qla2xxx: Remove a superfluous test
Avoid that smatch reports the following warning:

drivers/scsi/qla2xxx/qla_attr.c:1081: qla2x00_model_desc_show() warn: this array is probably non-NULL. 'vha->hw->model_desc'

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:44:07 -07:00
Bart Van Assche
8dfa4b5a9b qla2xxx: Fix sparse annotations
This patch removes 21 casts between an __iomem pointer type and
another data type but also introduces five new casts (see also
the casts with "__force"). Although this patch does not change
any functionality, IMHO the code with __force casts needs further
review.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:42:25 -07:00
Bart Van Assche
118e2ef9df qla2xxx: Avoid that sparse complains about duplicate [noderef] attributes
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:41:33 -07:00
Bart Van Assche
ad950360ee qla2xxx: Remove __constant_ prefix
Whether htonl() or __constant_htonl() is used, if the argument
is a constant the conversion happens at compile time. Hence leave
out the __constant_ prefix for this and other endianness
conversion functions. This improves source code readability.

[jejb: checkpatch fixes]
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:40:32 -07:00
Bart Van Assche
df3f4cd0de qla2xxx: Replace two macros with an inline function
Replace the QLA82XX_ADDR_IN_RANGE() and QLA8044_ADDR_IN_RANGE() macros
with the inline function addr_in_range(). This avoids that the compiler
reports the following warning when building with W=1: comparison of
unsigned expression >= 0 is always true.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:35:35 -07:00
Bart Van Assche
52c82823cc qla2xxx: Remove set-but-not-used variables
Detected these variables by building with W=1.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:34:49 -07:00
Bart Van Assche
2374dd238c qla2xxx: Declare local functions static
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:34:20 -07:00
Bart Van Assche
c3ff356d08 qla2xxx: Report both rsp_info and rsp_info_len
Let the debug statement in qlafx00_tm_iocb_entry() report both rsp_info
and rsp_info_len instead of reporting rsp_info_len twice.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-26 10:33:40 -07:00
Thadeu Lima de Souza Cascardo
a30c2a3bf8 qla2xxx: prevent board_disable from running during EEH
Commit f3ddac1918 ("[SCSI] qla2xxx:
Disable adapter when we encounter a PCI disconnect.") has introduced a
code that disables the board, releasing some resources, when reading
0xffffffff.

In case this happens when there is an EEH, this read will trigger EEH
detection and set PCI channel offline. EEH will be able to recover the
card from this state by doing a reset, so it's a better option than
simply disabling the card.

Since eeh_check_failure will mark the channel as offline before
returning the read value, in case there really was an EEH, we can simply
check for pci_channel_offline, preventing the board_disable code from
running if it's true.

Without this patch, EEH code will try to access those same resources
that board_disable will try to free. This race can cause EEH recovery to
fail.

[  504.370577] EEH: Notify device driver to resume
[  504.370580] qla2xxx [0001:07:00.0]-9002:2: The device failed to resume I/O from slot/link_reset.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-08-12 11:17:22 -07:00
Sebastian Herbszt
24c7d6c731 qla2xxx: Update tcm_qla2xxx module description to 24xx+
Pre 24xx HBAs are not supported by tcm_qla2xxx, so go ahead and
reflect this for informational purposes.

Also fix QLogic spelling.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-08-02 22:41:14 -07:00
Alexei Potashnik
7359df25a5 qla2xxx: terminate exchange when command is aborted by LIO
The newly introduced aborted_task TFO callback has to terminate
exchange with QLogic driver, since command is being deleted and
no status will be queued to the driver at a later point.

This patch also moves the burden of releasing one cmd refcount to
the aborted_task handler.

Changed iSCSI aborted_task logic to satisfy the above requirement.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Acked-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:42 -07:00
Alexei Potashnik
e52a8b45b9 qla2xxx: drop cmds/tmrs arrived while session is being deleted
If a new initiator (different WWN) shows up on the same fcport, old
initiator's session is scheduled for deletion. But there is a small
window between it being marked with QLA_SESS_DELETION_IN_PROGRESS
and qlt_unret_sess getting called when new session's commands will
keep finding old session in the fcport map.

This patch drops cmds/tmrs if they find session in the progress of
being deleted.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Acked-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:42 -07:00
Alexei Potashnik
d20ed91bb6 qla2xxx: disable scsi_transport_fc registration in target mode
There are multiple reasons for disabling this:

1. It provides no functional benefit. We pretty much only get a few more
sysfs entries for each port, but all that information is already
available from /sys/kernel/debug/target/qla-session-X

2. It already only works in private-loop mode. By disabling we'll be
getting more uniform behavior with fabric mode.

3. It creates complications for the new PLOGI handling mechanism:
scsi_transport_fc port deletion timer could race with new session
from initiator and cause logout after successful login.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:41 -07:00
Alexei Potashnik
df673274fa qla2xxx: added sess generations to detect RSCN update races
RSCN processing in qla2xxx driver can run in parallel with ELS/IO
processing. As such the decision to remove disappeared fc port's
session could be stale, because a new login sequence has occurred
since and created a brand new session.

Previous mechanism of dealing with this by delaying deletion request
was prone to erroneous deletions if the event that was supposed to
cancel the deletion never arrived or has been delayed in processing.

New mechanism relies on a time-like generation counter to serialize
RSCN updates relative to ELS/IO updates.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:41 -07:00
Alexei Potashnik
daddf5cf9b qla2xxx: Abort stale cmds on qla_tgt_wq when plogi arrives
cancel any commands from initiator's s_id that are still waiting
on qla_tgt_wq when PLOGI arrives.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Acked-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:40 -07:00
Alexei Potashnik
a6ca88780d qla2xxx: delay plogi/prli ack until existing sessions are deleted
- keep qla_tgt_sess object on the session list until it's freed

- modify use of sess->deleted flag to differentiate delayed
  session deletion that can be cancelled from irreversible one:
  QLA_SESS_DELETION_PENDING vs QLA_SESS_DELETION_IN_PROGRESS

- during IN_PROGRESS deletion all newly arrived commands and TMRs will
  be rejected, existing commands and TMRs will be terminated when
  given by the core to the fabric or simply dropped if session logout
  has already happened (logout terminates all existing exchanges)

- new PLOGI will initiate deletion of the following sessions
  (unless deletion is already IN_PROGRESS):
  - with the same port_name (with logout)
  - different port_name, different loop_id but the same port_id
    (with logout)
  - different port_name, different port_id, but the same loop_id
    (without logout)

- additionally each new PLOGI will store imm notify iocb in the
  same port_name session being deleted. When deletion process
  completes this iocb will be acked. Only the most recent PLOGI
  iocb is stored. The older ones will be terminated when replaced.

- new PRLI will initiate deletion of the following sessions
  (unless deletion is already IN_PROGRESS):
  - different port_name, different port_id, but the same loop_id
   (without logout)

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Acked-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:39 -07:00
Swapnil Nagle
8b2f5ff3d0 qla2xxx: cleanup cmd in qla workqueue before processing TMR
Since cmds go into qla_tgt_wq and TMRs don't, it's possible that TMR
like TASK_ABORT can be queued over the cmd for which it was meant.
To avoid this race, use a per-port list to keep track of cmds that
are enqueued to qla_tgt_wq but not yet processed. When a TMR arrives,
iterate through this list and remove any cmds that match the TMR.
This patch supports TASK_ABORT and LUN_RESET.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Swapnil Nagle <swapnil.nagle@purestorage.com>
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Acked-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:39 -07:00
Roland Dreier
b2032fd567 qla2xxx: kill sessions/log out initiator on RSCN and port down events
To fix some issues talking to ESX, this patch modifies the qla2xxx driver
so that it never logs into remote ports.  This has the side effect of
getting rid of the "rports" entirely, which means we never log out of
initiators and never tear down sessions when an initiator goes away.

This is mostly OK, except that we can run into trouble if we have
initiator A assigned FC address X:Y:Z by the fabric talking to us, and
then initiator A goes away.  Some time (could be a long time) later,
initiator B comes along and also gets FC address X:Y:Z (which is
available again, because initiator A is gone).  If initiator B starts
talking to us, then we'll still have the session for initiator A, and
since we look up incoming IO based on the FC address X:Y:Z, initiator B
will end up using ACLs for initiator A.

Fix this by:

 1. Handling RSCN events somewhat differently; instead of completely
    skipping the processing of fcports, we look through the list, and if
    an fcport disappears, we tell the target code the tear down the
    session and tell the HBA FW to release the N_Port handle.

 2. Handling "port down" events by flushing all of our sessions.  The
    firmware was already releasing the N_Port handle but we want the
    target code to drop all the sessions too.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Acked-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:38 -07:00
Kanoj Sarcar
9fce12540c qla2xxx: fix command initialization in target mode.
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Kanoj Sarcar <kanoj.sarcar@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:31 -07:00
Himanshu Madhani
6bc85dd595 qla2xxx: Remove msleep in qlt_send_term_exchange
Remove unnecessary msleep from qlt_send_term_exchange as it
adds latency of 250 msec while sending terminate exchange to
an aborted task.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:25 -07:00
Quinn Tran
e5fdee875f qla2xxx: adjust debug flags
Adjust debug flag to match debug comment.

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:18 -07:00
Quinn Tran
810e30bc46 qla2xxx: release request queue reservation.
Request IOCB queue element(s) is reserved during
good path IO.  Under error condition such as unable
to allocate IOCB handle condition, the IOCB count
that was reserved is not released.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:11 -07:00
Quinn Tran
3761f3e870 qla2xxx: Add flush after updating ATIOQ consumer index.
After updating the consumer index of ATIO Q, a read is
required to flush the write to the adapter register.

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:19:05 -07:00
Himanshu Madhani
b20f02e141 qla2xxx: Enable target mode for ISP27XX
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:18:55 -07:00
Saurav Kashyap
ba9f6f64a0 qla2xxx: Fix hardware lock/unlock issue causing kernel panic.
[ Upstream commit ef86cb2059 ]

This patch fixes a kernel panic for qla2xxx Target core
Module driver introduced by a fix in the qla2xxx initiator code.

Commit ef86cb2 ("qla2xxx: Mark port lost when we receive an RSCN for it.")
introduced the regression for qla2xxx Target driver.

Stack trace will have following signature

 --- <NMI exception stack> ---
[ffff88081faa3cc8] _raw_spin_lock_irqsave at ffffffff815b1f03
[ffff88081faa3cd0] qlt_fc_port_deleted at ffffffffa096ccd0 [qla2xxx]
[ffff88081faa3d20] qla2x00_schedule_rport_del at ffffffffa0913831[qla2xxx]
[ffff88081faa3d50] qla2x00_mark_device_lost at ffffffffa09159c5[qla2xxx]
[ffff88081faa3db0] qla2x00_async_event at ffffffffa0938d59 [qla2xxx]
[ffff88081faa3e30] qla24xx_msix_default at ffffffffa093a326 [qla2xxx]
[ffff88081faa3e90] handle_irq_event_percpu at ffffffff810a7b8d
[ffff88081faa3ee0] handle_irq_event at ffffffff810a7d32
[ffff88081faa3f10] handle_edge_irq at ffffffff810ab6b9
[ffff88081faa3f30] handle_irq at ffffffff8100619c
[ffff88081faa3f70] do_IRQ at ffffffff815b4b1c
 --- <IRQ stack> ---

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-24 14:18:42 -07:00
Nicholas Mc Guire
fd4e1393c4 tcm_qla2xxx: pass timeout as HZ independent value
API compliance scanning with coccinelle flagged:
./drivers/scsi/qla2xxx/tcm_qla2xxx.c:407:2-29:
         WARNING: timeout is HZ dependent

This was introduced in 'commit 75f8c1f693 ("[SCSI] tcm_qla2xxx: Add >=
24xx series fabric module for target-core")'. wait_for_completion_timeout()
expects a timeout in jiffies so the numeric constant makes the effective
timeout HZ dependent. Resolved by converting it to CONST * HZ.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Nilesh Javali <nilesh.javali@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-23 23:39:50 -07:00
Bart Van Assche
3e963b2d3c tcm_qla2xxx: Remove set-but-not-used variables
Detected these by building with W=1. This patch does not change
any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-23 22:34:40 -07:00
Linus Torvalds
5c755fe142 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "It's been a busy development cycle for target-core in a number of
  different areas.

  The fabric API usage for se_node_acl allocation is now within
  target-core code, dropping the external API callers for all fabric
  drivers tree-wide.

  There is a new conversion to RCU hlists for se_node_acl and
  se_portal_group LUN mappings, that turns fast-past LUN lookup into a
  completely lockless code-path.  It also removes the original
  hard-coded limitation of 256 LUNs per fabric endpoint.

  The configfs attributes for backends can now be shared between core
  and driver code, allowing existing drivers to use common code while
  still allowing flexibility for new backend provided attributes.

  The highlights include:

   - Merge sbc_verify_dif_* into common code (sagi)
   - Remove iscsi-target support for obsolete IFMarker/OFMarker
     (Christophe Vu-Brugier)
   - Add bidi support in target/user backend (ilias + vangelis + agover)
   - Move se_node_acl allocation into target-core code (hch)
   - Add crc_t10dif_update common helper (akinobu + mkp)
   - Handle target-core odd SGL mapping for data transfer memory
     (akinobu)
   - Move transport ID handling into target-core (hch)
   - Move task tag into struct se_cmd + support 64-bit tags (bart)
   - Convert se_node_acl->device_list[] to RCU hlist (nab + hch +
     paulmck)
   - Convert se_portal_group->tpg_lun_list[] to RCU hlist (nab + hch +
     paulmck)
   - Simplify target backend driver registration (hch)
   - Consolidate + simplify target backend attribute implementations
     (hch + nab)
   - Subsume se_port + t10_alua_tg_pt_gp_member into se_lun (hch)
   - Drop lun_sep_lock for se_lun->lun_se_dev RCU usage (hch + nab)
   - Drop unnecessary core_tpg_register TFO parameter (nab)
   - Use 64-bit LUNs tree-wide (hannes)
   - Drop left-over TARGET_MAX_LUNS_PER_TRANSPORT limit (hannes)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (76 commits)
  target: Bump core version to v5.0
  target: remove target_core_configfs.h
  target: remove unused TARGET_CORE_CONFIG_ROOT define
  target: consolidate version defines
  target: implement WRITE_SAME with UNMAP bit using ->execute_unmap
  target: simplify UNMAP handling
  target: replace se_cmd->execute_rw with a protocol_data field
  target/user: Fix inconsistent kmap_atomic/kunmap_atomic
  target: Send UA when changing LUN inventory
  target: Send UA upon LUN RESET tmr completion
  target: Send UA on ALUA target port group change
  target: Convert se_lun->lun_deve_lock to normal spinlock
  target: use 'se_dev_entry' when allocating UAs
  target: Remove 'ua_nacl' pointer from se_ua structure
  target_core_alua: Correct UA handling when switching states
  xen-scsiback: Fix compile warning for 64-bit LUN
  target: Remove TARGET_MAX_LUNS_PER_TRANSPORT
  target: use 64-bit LUNs
  target: Drop duplicate + unused se_dev_check_wce
  target: Drop unnecessary core_tpg_register TFO parameter
  ...
2015-07-04 14:13:43 -07:00
Linus Torvalds
e0456717e4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:

 1) Add TX fast path in mac80211, from Johannes Berg.

 2) Add TSO/GRO support to ibmveth, from Thomas Falcon

 3) Move away from cached routes in ipv6, just like ipv4, from Martin
    KaFai Lau.

 4) Lots of new rhashtable tests, from Thomas Graf.

 5) Run ingress qdisc lockless, from Alexei Starovoitov.

 6) Allow servers to fetch TCP packet headers for SYN packets of new
    connections, for fingerprinting.  From Eric Dumazet.

 7) Add mode parameter to pktgen, for testing receive.  From Alexei
    Starovoitov.

 8) Cache access optimizations via simplifications of build_skb(), from
    Alexander Duyck.

 9) Move page frag allocator under mm/, also from Alexander.

10) Add xmit_more support to hv_netvsc, from KY Srinivasan.

11) Add a counter guard in case we try to perform endless reclassify
    loops in the packet scheduler.

12) Extern flow dissector to be programmable and use it in new "Flower"
    classifier.  From Jiri Pirko.

13) AF_PACKET fanout rollover fixes, performance improvements, and new
    statistics.  From Willem de Bruijn.

14) Add netdev driver for GENEVE tunnels, from John W Linville.

15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso.

16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet.

17) Add an ECN retry fallback for the initial TCP handshake, from Daniel
    Borkmann.

18) Add tail call support to BPF, from Alexei Starovoitov.

19) Add several pktgen helper scripts, from Jesper Dangaard Brouer.

20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa.

21) Favor even port numbers for allocation to connect() requests, and
    odd port numbers for bind(0), in an effort to help avoid
    ip_local_port_range exhaustion.  From Eric Dumazet.

22) Add Cavium ThunderX driver, from Sunil Goutham.

23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata,
    from Alexei Starovoitov.

24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai.

25) Double TCP Small Queues default to 256K to accomodate situations
    like the XEN driver and wireless aggregation.  From Wei Liu.

26) Add more entropy inputs to flow dissector, from Tom Herbert.

27) Add CDG congestion control algorithm to TCP, from Kenneth Klette
    Jonassen.

28) Convert ipset over to RCU locking, from Jozsef Kadlecsik.

29) Track and act upon link status of ipv4 route nexthops, from Andy
    Gospodarek.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits)
  bridge: vlan: flush the dynamically learned entries on port vlan delete
  bridge: multicast: add a comment to br_port_state_selection about blocking state
  net: inet_diag: export IPV6_V6ONLY sockopt
  stmmac: troubleshoot unexpected bits in des0 & des1
  net: ipv4 sysctl option to ignore routes when nexthop link is down
  net: track link-status of ipv4 nexthops
  net: switchdev: ignore unsupported bridge flags
  net: Cavium: Fix MAC address setting in shutdown state
  drivers: net: xgene: fix for ACPI support without ACPI
  ip: report the original address of ICMP messages
  net/mlx5e: Prefetch skb data on RX
  net/mlx5e: Pop cq outside mlx5e_get_cqe
  net/mlx5e: Remove mlx5e_cq.sqrq back-pointer
  net/mlx5e: Remove extra spaces
  net/mlx5e: Avoid TX CQE generation if more xmit packets expected
  net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion
  net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()
  net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them
  net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues
  net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device
  ...
2015-06-24 16:49:49 -07:00
Linus Torvalds
acd53127c4 SCSI misc on 20150622
This is the usual grab bag of driver updates (lpfc, hpsa,
 megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.
 There are also one new driver: the Cisco snic; the advansys driver has
 been rewritten to get rid of the warning about converting it to the
 DMA API, the tape statistics patch got in and finally, there's a
 resuffle of SCSI header files to separate more cleanly initiator from
 target mode (and better share the common definitions).
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (lpfc, hpsa,
  megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.

  There is also one new driver: the Cisco snic.  The advansys driver has
  been rewritten to get rid of the warning about converting it to the
  DMA API, the tape statistics patch got in and finally, there's a
  resuffle of SCSI header files to separate more cleanly initiator from
  target mode (and better share the common definitions)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (156 commits)
  snic: driver for Cisco SCSI HBA
  qla2xxx: Fix indentation
  qla2xxx: Comment out unreachable code
  fusion: remove dead MTRR code
  advansys: fix compilation errors and warnings when CONFIG_PCI is not set
  mptsas: fix depth param in scsi_track_queue_full
  megaraid: fix irq setup process regression
  lpfc: Update version to 10.7.0.0 for upstream patch set.
  lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes
  lpfc: Fix scsi task management error message.
  lpfc: Fix cq_id masking problem.
  lpfc: Fix scsi prep dma buf error.
  lpfc: Add support for using block multi-queue
  lpfc: Devices are not discovered during takeaway/giveback testing
  lpfc: Fix vport deletion failure.
  lpfc: Check for active portpeerbeacon.
  lpfc: Update driver version for upstream patch set 10.6.0.1.
  lpfc: Change buffer pool empty message to miscellaneous category
  lpfc: Fix incorrect log message reported for empty FCF record.
  lpfc: Fix rport leak.
  ...
2015-06-23 15:55:44 -07:00
Nicholas Bellinger
bc0c94b140 target: Drop unnecessary core_tpg_register TFO parameter
This patch drops unnecessary target_core_fabric_ops parameter usage
for core_tpg_register() during fabric driver TFO->fabric_make_tpg()
se_portal_group creation callback execution.

Instead, use the existing se_wwn->wwn_tf->tf_ops pointer to ensure
fabric driver is really using the same TFO provided at module_init
time.

Also go ahead and drop the forward TFO declarations tree-wide, and
handling the special case for iscsi-target discovery TPG.

Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-06-15 23:23:22 -07:00
Bart Van Assche
8d2b21db49 qla2xxx: Fix indentation
Detected by smatch.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-06-13 08:51:39 -07:00
Bart Van Assche
5897cb2fc3 qla2xxx: Comment out unreachable code
Comment out the code that is never reached in qla83xx_idc_unlock()
and also in qlt_set_data_offset() to avoid that static source code
analysis tools report warnings for this code.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-06-13 08:50:41 -07:00
David S. Miller
dda922c831 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/phy/amd-xgbe-phy.c
	drivers/net/wireless/iwlwifi/Kconfig
	include/net/mac80211.h

iwlwifi/Kconfig and mac80211.h were both trivial overlapping
changes.

The drivers/net/phy/amd-xgbe-phy.c file got removed in 'net-next' and
the bug fix that happened on the 'net' side is already integrated
into the rest of the amd-xgbe driver.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 22:51:30 -07:00
Christoph Hellwig
afe92323f9 target: remove ->put_session method
The only instance of ->put_session is in qla2xxx, and was added by commit
aaf68b ("tcm_qla2xxx: Convert to TFO->put_session() usage") with the following
description:

    This patch converts tcm_qla2xxx code to use an internal kref_put() for
    se_session->sess_kref in order to ensure that qla_hw_data->hardware_lock
    can be held while calling qlt_unreg_sess() for the final put.

But these day we're already holding the hardware lock over qlt_unreg_sess in
the ->close_session callback, so we're fine without this method.

(Re-add missing tcm_qla2xxx_release_session + drop put_session usage - nab)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:40 -07:00
Christoph Hellwig
7ad34a9367 target: target_core_configfs.h is not needed in fabric drivers
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:39 -07:00
Bart Van Assche
649ee05499 target: Move task tag into struct se_cmd + support 64-bit tags
Simplify target core and target drivers by storing the task tag
a.k.a. command identifier inside struct se_cmd.

For several transports (e.g. SRP) tags are 64 bits wide.
Hence add support for 64-bit tags.

(Fix core_tmr_abort_task conversion spec warnings - nab)
(Fix up usb-gadget to use 16-bit tags - HCH + bart)

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <qla2xxx-upstream@qlogic.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:31 -07:00
Christoph Hellwig
2650d71e24 target: move transport ID handling to the core
Now that struct se_portal_group contains a protocol identifier field we can
take all the code to format an parse protocol identifiers in CDBs into common
code instead of leaving this to low-level drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:30 -07:00
Christoph Hellwig
2aeeafae6b target: remove the get_fabric_proto_ident method
Now that we store the protocol identifier in the tpg structure we don't
need this method.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:30 -07:00
Christoph Hellwig
e4aae5af81 target: change core_tpg_register prototype
Remove the unneeded fabric_ptr argument, and change the type argument
to pass in a SPC protocol identifier.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:27 -07:00
Christoph Hellwig
144bc4c2a4 target: move node ACL allocation to core code
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:42:23 -07:00
Christoph Hellwig
c7d6a80392 target: refactor init/drop_nodeacl methods
By always allocating and adding, respectively removing and freeing
the se_node_acl structure in core code we can remove tons of repeated
code in the init_nodeacl and drop_nodeacl routines.  Additionally
this now respects the get_default_queue_depth method in this code
path as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:41:51 -07:00
Christoph Hellwig
e1750d20e6 target: make the tpg_get_default_depth method optional
All fabric drivers except for iSCSI always return 1, so implement
that as default behavior.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:41:50 -07:00
Bart Van Assche
afc16604c0 target: Remove first argument of target_{get,put}_sess_cmd()
The first argument of these two functions is always identical
to se_cmd->se_sess. Hence remove the first argument.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: <qla2xxx-upstream@qlogic.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 22:41:47 -07:00
Christoph Hellwig
d588cf8f61 target: Fix se_tpg_tfo->tf_subsys regression + remove tf_subsystem
There is just one configfs subsystem in the target code, so we might as
well add two helpers to reference / unreference it from the core code
instead of passing pointers to it around.

This fixes a regression introduced for v4.1-rc1 with commit 9ac8928e6,
where configfs_depend_item() callers using se_tpg_tfo->tf_subsys would
fail, because the assignment from the original target_core_subsystem[]
is no longer happening at target_register_template() time.

(Fix target_core_exit_configfs pointer dereference - Sagi)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 18:04:20 -07:00
David S. Miller
5538d294dd treewide: Add missing vmalloc.h inclusion.
All of these files were only building on non-x86 because of
the indirect of inclusion of vmalloc.h by, of all things,
"net/inet_hashtables.h"

None of this got caught during build testing, because on x86
there is an implicit vmalloc.h include via on of the arch asm/
headers.

This fixes all of these

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-28 14:31:59 -07:00
Linus Torvalds
c6668726d2 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "Lots of activity in target land the last months.

  The highlights include:

   - Convert fabric drivers tree-wide to target_register_template() (hch
     + bart)

   - iser-target hardening fixes + v1.0 improvements (sagi)

   - Convert iscsi_thread_set usage to kthread.h + kill
     iscsi_target_tq.c (sagi + nab)

   - Add support for T10-PI WRITE_STRIP + READ_INSERT operation (mkp +
     sagi + nab)

   - DIF fixes for CONFIG_DEBUG_SG=y + UNMAP file emulation (akinobu +
     sagi + mkp)

   - Extended TCMU ABI v2 for future BIDI + DIF support (andy + ilias)

   - Fix COMPARE_AND_WRITE handling for NO_ALLLOC drivers (hch + nab)

  Thanks to everyone who contributed this round with new features,
  bug-reports, fixes, cleanups and improvements.

  Looking forward, it's currently shaping up to be a busy v4.2 as well"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (69 commits)
  target: Put TCMU under a new config option
  target: Version 2 of TCMU ABI
  target: fix tcm_mod_builder.py
  target/file: Fix UNMAP with DIF protection support
  target/file: Fix SG table for prot_buf initialization
  target/file: Fix BUG() when CONFIG_DEBUG_SG=y and DIF protection enabled
  target: Make core_tmr_abort_task() skip TMFs
  target/sbc: Update sbc_dif_generate pr_debug output
  target/sbc: Make internal DIF emulation honor ->prot_checks
  target/sbc: Return INVALID_CDB_FIELD if DIF + sess_prot_type disabled
  target: Ensure sess_prot_type is saved across session restart
  target/rd: Don't pass incomplete scatterlist entries to sbc_dif_verify_*
  target: Remove the unused flag SCF_ACK_KREF
  target: Fix two sparse warnings
  target: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling
  target: simplify the target template registration API
  target: simplify target_xcopy_init_pt_lun
  target: remove the unused SCF_CMD_XCOPY_PASSTHROUGH flag
  target/rd: reduce code duplication in rd_execute_rw()
  tcm_loop: fixup tpgt string to integer conversion
  ...
2015-04-24 10:22:09 -07:00
Linus Torvalds
7d69cff26c SCSI misc on 20150416
This is the usual grab bag of driver updates (lpfc, qla2xxx, storvsc, aacraid,
 ipr) plus an assortment of minor updates.  There's also a major update to
 aic1542 which moves the driver into this millenium.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (lpfc, qla2xxx, storvsc,
  aacraid, ipr) plus an assortment of minor updates.  There's also a
  major update to aic1542 which moves the driver into this millenium"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (106 commits)
  change SCSI Maintainer email
  sd, mmc, virtio_blk, string_helpers: fix block size units
  ufs: add support to allow non standard behaviours (quirks)
  ufs-qcom: save controller revision info in internal structure
  qla2xxx: Update driver version to 8.07.00.18-k
  qla2xxx: Restore physical port WWPN only, when port down detected for FA-WWPN port.
  qla2xxx: Fix virtual port configuration, when switch port is disabled/enabled.
  qla2xxx: Prevent multiple firmware dump collection for ISP27XX.
  qla2xxx: Disable Interrupt handshake for ISP27XX.
  qla2xxx: Add debugging info for MBX timeout.
  qla2xxx: Add serdes read/write support for ISP27XX
  qla2xxx: Add udev notification to save fw dump for ISP27XX
  qla2xxx: Add message for sucessful FW dump collected for ISP27XX.
  qla2xxx: Add support to load firmware from file for ISP 26XX/27XX.
  qla2xxx: Fix beacon blink for ISP27XX.
  qla2xxx: Increase the wait time for firmware to be ready for P3P.
  qla2xxx: Fix crash due to wrong casting of reg for ISP27XX.
  qla2xxx: Fix warnings reported by static checker.
  lpfc: Update version to 10.5.0.0 for upstream patch set
  lpfc: Update copyright to 2015
  ...
2015-04-16 19:02:04 -04:00
Christoph Hellwig
9ac8928e6a target: simplify the target template registration API
Instead of calling target_fabric_configfs_init() +
target_fabric_configfs_register() / target_fabric_configfs_deregister()
target_fabric_configfs_free() from every target driver, rewrite the API
so that we have simple register/unregister functions that operate on
a const operations vector.

This patch also fixes a memory leak in several target drivers. Several
target drivers namely called target_fabric_configfs_deregister()
without calling target_fabric_configfs_free().

A large part of this patch is based on earlier changes from
Bart Van Assche <bart.vanassche@sandisk.com>.

(v2: Add a new TF_CIT_SETUP_DRV macro so that the core configfs code
can declare attributes as either core only or for drivers)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-14 12:28:41 -07:00
Linus Torvalds
d0bbe0dd35 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "Usual trivial tree updates.  Nothing outstanding -- mostly printk()
  and comment fixes and unused identifier removals"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  goldfish: goldfish_tty_probe() is not using 'i' any more
  powerpc: Fix comment in smu.h
  qla2xxx: Fix printks in ql_log message
  lib: correct link to the original source for div64_u64
  si2168, tda10071, m88ds3103: Fix firmware wording
  usb: storage: Fix printk in isd200_log_config()
  qla2xxx: Fix printk in qla25xx_setup_mode
  init/main: fix reset_device comment
  ipwireless: missing assignment
  goldfish: remove unreachable line of code
  coredump: Fix do_coredump() comment
  stacktrace.h: remove duplicate declaration task_struct
  smpboot.h: Remove unused function prototype
  treewide: Fix typo in printk messages
  treewide: Fix typo in printk messages
  mod_devicetable: fix comment for match_flags
2015-04-14 09:50:27 -07:00
Himanshu Madhani
a776e39416 qla2xxx: Update driver version to 8.07.00.18-k
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:43:17 -07:00
Sawan Chandak
718abbdca7 qla2xxx: Restore physical port WWPN only, when port down detected for FA-WWPN port.
For FA-WWPN is enabled port, if NPIV created on that port and,
if port link is brought down, then WWPN was restored from flash for both
physical and NPIV port. This will result in NPIV port and physical port
sharing same WWPN. Any application refreshing ports information  will
not be able to scan NPIV port because of this behavior. So while restoring WWPN,
only restore physical port WWPN.

Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:43:07 -07:00
Sawan Chandak
ded6411fd8 qla2xxx: Fix virtual port configuration, when switch port is disabled/enabled.
On some vendor switches, when switch port is toggled (down /up),
then in some condition driver tries to configure virtual port,
before FW is actually in ready state to process any commands on wire.
At this time, configuring virtual port can fail. Add fix in driver
to make driver wait, for FW to be ready state before

Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:58 -07:00
Himanshu Madhani
e8fb1250ba qla2xxx: Prevent multiple firmware dump collection for ISP27XX.
For ISP27XX, driver will capture new firmware dump even if there is
one already collected. Prevent this from happening by checking
fw_dumped flag.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:49 -07:00
Himanshu Madhani
fd564b5d5d qla2xxx: Disable Interrupt handshake for ISP27XX.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:38 -07:00
Himanshu Madhani
d14e72fb85 qla2xxx: Add debugging info for MBX timeout.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:30 -07:00
Andrew Vasquez
064135e01e qla2xxx: Add serdes read/write support for ISP27XX
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:18 -07:00
Himanshu Madhani
0137e59e62 qla2xxx: Add udev notification to save fw dump for ISP27XX
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:10 -07:00
Himanshu Madhani
f4bf5e3c11 qla2xxx: Add message for sucessful FW dump collected for ISP27XX.
o Added message indicating firmware dump was sucessfully collected
  for ISP27XX.
o Improve logging to help debug firmware dump process for ISP27XX.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:42:01 -07:00
Sawan Chandak
f1458cda44 qla2xxx: Add support to load firmware from file for ISP 26XX/27XX.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:41:50 -07:00
Nigel Kirkland
b21ba319dc qla2xxx: Fix beacon blink for ISP27XX.
Signed-off-by: Nigel Kirkland <nigel.kirkland@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:41:40 -07:00
Chad Dupuis
334614912b qla2xxx: Increase the wait time for firmware to be ready for P3P.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:41:30 -07:00
Himanshu Madhani
6cbfb1ebbb qla2xxx: Fix crash due to wrong casting of reg for ISP27XX.
[Bart: additional sparse warning caused by this patch]
[jejb: fix sparse warning]
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:40:25 -07:00
Himanshu Madhani
dd83cb2c16 qla2xxx: Fix warnings reported by static checker.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-04-10 08:32:15 -07:00
Nicholas Bellinger
64b1688774 tcm_qla2xxx: Add fabric_prot_type attribute support
This patch updates qla2xxx target to add a new fabric_prot_type TPG
attribute, used for controlling LLD level protection into LIO when
the backend device does not support T10-PI.

This is required for qla_target.c to enable WRITE_STRIP + READ_INSERT
hardware offloads.

It's disabled by default and controls which se_sesion->sess_prot_type
are set at tcm_qla2xxx_check_initiator_node_acl() session registration
time.

Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Saurav Kashyap <saurav.kashyap@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: Martin Petersen <martin.petersen@oracle.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-07 23:27:47 -07:00
Nicholas Bellinger
59bb0ff5db tcm_qla2xxx: Set TARGET_PROT_ALL for sup_prot_ops
This patch adds the missing TARGET_PROT_ALL when initializing a new
session and declaring the capable se_sess->sup_prot_ops for T10-PI.

This is required in order to function with existing qla_target.c
DIF protection offload support.

Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Saurav Kashyap <saurav.kashyap@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: Martin Petersen <martin.petersen@oracle.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-07 23:27:47 -07:00
Bart Van Assche
75c3d0bf9c tcm_qla2xxx: Fix incorrect use of __transport_register_session
This patch fixes the incorrect use of __transport_register_session()
in tcm_qla2xxx_check_initiator_node_acl() code, that does not perform
explicit se_tpg->session_lock when accessing se_tpg->tpg_sess_list
to add new se_sess nodes.

Given that tcm_qla2xxx_check_initiator_node_acl() is not called with
qla_hw->hardware_lock held for all accesses of ->tpg_sess_list, the
code should be using transport_register_session() instead.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: <stable@vger.kernel.org> # 3.5+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-03-19 23:14:14 -07:00
Nicholas Bellinger
d23dbaaaa4 tcm_qla2xxx: Expose per endpoint dynamic_sessions attribute
This patch exposes a new ../qla2xxx*/$WWPN/$TPGT/dynamic_sessions
attribute to dump the currently active sessions by FC initiator WWPN
that have been created with dynamically generated se_node_acls.

This information is useful so that user-space can optionally perform
dynamic -> explicit NodeACL conversion based on $INITIATOR_WWPN.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-03-06 21:25:15 -08:00
Yannick Guerrini
94bcf83011 qla2xxx: Fix printks in ql_log message
Change 'Fimware' to 'Firmware'
Change 'enalbled' to 'enabled'

Signed-off-by: Yannick Guerrini <yguerrini@tomshardware.fr>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-03-06 23:20:17 +01:00
Yannick Guerrini
6ef68da70f qla2xxx: Fix printk in qla25xx_setup_mode
Change 'enalbed' to 'enabled'

Signed-off-by: Yannick Guerrini <yguerrini@tomshardware.fr>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-03-06 23:14:59 +01:00
Masanari Iida
d939be3add treewide: Fix typo in printk messages
This patch fix spelling typo in printk messages.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-03-06 23:05:39 +01:00
Linus Torvalds
e20d3ef540 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "The highlights this round include:

   - Update vhost-scsi to support F_ANY_LAYOUT using mm/iov_iter.c
     logic, and signal VERSION_1 support (MST + Viro + nab)

   - Fix iscsi/iser-target to remove problematic active_ts_set usage
     (Gavin Guo)

   - Update iscsi/iser-target to support multi-sequence sendtargets
     (Sagi)

   - Fix original PR_APTPL_BUF_LEN 8k size limitation (Martin Svec)

   - Add missing WRITE_SAME end-of-device sanity check (Bart)

   - Check for LBA + sectors wrap-around in sbc_parse_cdb() (nab)

   - Other various minor SPC/SBC compliance fixes based upon Ronnie
     Sahlberg test suite (nab)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (32 commits)
  target: Set LBPWS10 bit in Logical Block Provisioning EVPD
  target: Fail UNMAP when emulate_tpu=0
  target: Fail WRITE_SAME w/ UNMAP=1 when emulate_tpws=0
  target: Add sanity checks for DPO/FUA bit usage
  target: Perform PROTECT sanity checks for WRITE_SAME
  target: Fail I/O with PROTECT bit when protection is unsupported
  target: Check for LBA + sectors wrap-around in sbc_parse_cdb
  target: Add missing WRITE_SAME end-of-device sanity check
  iscsi-target: Avoid IN_LOGOUT failure case for iser-target
  target: Fix PR_APTPL_BUF_LEN buffer size limitation
  iscsi-target: Drop problematic active_ts_list usage
  iscsi/iser-target: Support multi-sequence sendtargets text response
  iser-target: Remove duplicate function names
  vhost/scsi: potential memory corruption
  vhost/scsi: Global tcm_vhost -> vhost_scsi rename
  vhost/scsi: Drop left-over scsi_tcq.h include
  vhost/scsi: Set VIRTIO_F_ANY_LAYOUT + VIRTIO_F_VERSION_1 feature bits
  vhost/scsi: Add ANY_LAYOUT support in vhost_scsi_handle_vq
  vhost/scsi: Add ANY_LAYOUT iov -> sgl mapping prerequisites
  vhost/scsi: Change vhost_scsi_map_to_sgl to accept iov ptr + len
  ...
2015-02-21 13:21:19 -08:00
Rasmus Villemoes
f50332ff25 scsi: print single-character strings with seq_putc
Using seq_putc to print a single character saves at least a strlen()
call and a memory access, and may also give a small .text reduction.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02 09:57:46 -08:00
Rasmus Villemoes
91c40f24fa scsi: replace seq_printf with seq_puts
Using seq_printf to print a simple string is a lot more expensive than
it needs to be, since seq_puts exists. Replace seq_printf with
seq_puts when possible.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02 09:57:45 -08:00
Andy Shevchenko
3c9786e595 tcm_qla2xxx: print port name via %*phC
Instead of pushing each byte via stack let's use custom specifier which allows
to print small buffers as a hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-01-15 21:17:18 -08:00
Bruno Prémont
975f7d4674 qla2xxx: fix busy wait regression
Commit e05fe29248 (qla2xxx: Honor FCP_RSP retry delay timer field.)
causes systems to busy-wait for about 3 minutes after boot prior to
detecting SAN disks.

During this wait period one kworker is running full-time
(though /proc/<pid>/stack has no useful data). Another kworker is
waiting for IO to complete during that whole time period.

Looking at drivers/scsi/qla2xxx/qla_os.c, fcport->retry_delay_timestamp
has a special value of 0 though that 0 value forces system to wait when
jiffies is very large value (e.g. 4294952605 - "negative" value when
signed on 32bit systems).

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-01-05 18:15:08 +01:00
Laurence Oberman
b9f85b1d32 qla2xxx: fix race in handling rport deletion during recovery causes panic
When we have an rport disconnect we race during rport deletion and
re-connection resulting in a panic.  When we do this, we call
fc_remote_port_del() just before we do the calls to re-establish the
session with the FC transport with fc_remote_port_add() and then
fc_remote_port_rolechg().

If we remove the call to fc_remote_port_del() before re-establishing
the connection this prevents the race.  This patch has resolved this
for multiple customers via test kernels.

Suggested by Chad Dupuis, implemented and tested by Laurence Oberman.

Signed-off-by: Laurence Oberman <loberman@redhat.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-12-15 13:34:23 +01:00
Christoph Hellwig
68d81f4004 scsi: remove MSG_*_TAG defines
For SPI drivers use the message definitions from scsi.h, and for target
drivers introduce a new TCM_*_TAG namespace.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com
2014-12-04 09:58:33 +01:00
Christoph Hellwig
efc3c1df5f scsi: remove ->change_queue_type method
Since we got rid of ordered tag support in 2010 the prime use case of
switching on and off ordered tags has been obsolete.  The other function
of enabling/disabling tagging entirely has only been correctly implemented
by the 53c700 driver and isn't generally useful.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-12-04 09:55:45 +01:00
Christoph Hellwig
db5ed4dfd5 scsi: drop reason argument from ->change_queue_depth
Drop the now unused reason argument from the ->change_queue_depth method.
Also add a return value to scsi_adjust_queue_depth, and rename it to
scsi_change_queue_depth now that it can be used as the default
->change_queue_depth implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-24 14:45:27 +01:00
Christoph Hellwig
c40ecc12cf scsi: avoid ->change_queue_depth indirection for queue full tracking
All drivers use the implementation for ramping the queue up and down, so
instead of overloading the change_queue_depth method call the
implementation diretly if the driver opts into it by setting the
track_queue_depth flag in the host template.

Note that a few drivers validated the new queue depth in their
change_queue_depth method, but as we never go over the queue depth
set during slave_configure or the sysfs file this isn't nessecary
and can safely be removed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
2014-11-24 14:45:12 +01:00
Chen Gang
9493c2422c qla2xxx: remove redundant declaration in 'qla_gbl.h'
Remove 2 redundant extern inline functions: qla8044_set_qsnt_ready() and
qla8044_need_reset_handler(). At present, within upstream next kernel
source code, they are only used within "drivers/scsi/qla2xxx/qla_nx2.c".

The related error and warnings (with allmodconfig under tile):

    CC [M]  drivers/scsi/qla2xxx/qla_nx2.o
  drivers/scsi/qla2xxx/qla_nx2.c:1633:1: error: static declaration of 'qla8044_need_reset_handler' follows non-static declaration
   qla8044_need_reset_handler(struct scsi_qla_host *vha)
   ^
  In file included from drivers/scsi/qla2xxx/qla_def.h:3706:0,
                   from drivers/scsi/qla2xxx/qla_nx2.c:11:
  drivers/scsi/qla2xxx/qla_gbl.h:756:20: note: previous declaration of 'qla8044_need_reset_handler' was here
   extern inline void qla8044_need_reset_handler(struct scsi_qla_host *vha);
                      ^
  drivers/scsi/qla2xxx/qla_gbl.h:756:20: warning: inline function 'qla8044_need_reset_handler' declared but never defined
  make[3]: *** [drivers/scsi/qla2xxx/qla_nx2.o] Error 1
  make[2]: *** [drivers/scsi/qla2xxx] Error 2
  make[1]: *** [drivers/scsi] Error 2
  make: *** [drivers] Error 2

    CC [M]  drivers/scsi/qla2xxx/qla_tmpl.o
  In file included from drivers/scsi/qla2xxx/qla_def.h:3706:0,
                   from drivers/scsi/qla2xxx/qla_tmpl.c:7:
  drivers/scsi/qla2xxx/qla_gbl.h:755:20: warning: inline function 'qla8044_set_qsnt_ready' declared but never defined
   extern inline void qla8044_set_qsnt_ready(struct scsi_qla_host *vha);
                    ^

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-11-12 11:32:01 +01:00
Christoph Hellwig
c8b09f6fb6 scsi: don't set tagging state from scsi_adjust_queue_depth
Remove the tagged argument from scsi_adjust_queue_depth, and just let it
handle the queue depth.  For most drivers those two are fairly separate,
given that most modern drivers don't care about the SCSI "tagged" status
of a command at all, and many old drivers allow queuing of multiple
untagged commands in the driver.

Instead we start out with the ->simple_tags flag set before calling
->slave_configure, which is how all drivers actually looking at
->simple_tags except for one worke anyway.  The one other case looks
broken, but I've kept the behavior as-is for now.

Except for that we only change ->simple_tags from the ->change_queue_type,
and when rejecting a tag message in a single driver, so keeping this
churn out of scsi_adjust_queue_depth is a clear win.

Now that the usage of scsi_adjust_queue_depth is more obvious we can
also remove all the trivial instances in ->slave_alloc or ->slave_configure
that just set it to the cmd_per_lun default.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
2014-11-12 11:19:43 +01:00
Christoph Hellwig
2ecb204d07 scsi: always assign block layer tags if enabled
Allow a driver to ask for block layer tags by setting .use_blk_tags in the
host template, in which case it will always see a valid value in
request->tag, similar to the behavior when using blk-mq.  This means even
SCSI "untagged" commands will now have a tag, which is especially useful
when using a host-wide tag map.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-12 11:19:43 +01:00
Christoph Hellwig
5066863337 scsi: remove abuses of scsi_populate_tag
Unless we want to build a SPI tag message we should just check SCMD_TAGGED
instead of reverse engineering a tag type through the use of
scsi_populate_tag_msg.

Also rename the function to spi_populate_tag_msg, make it behave like the
other spi message helpers, and move it to the spi transport class.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-12 11:19:41 +01:00
Christoph Hellwig
609aa22f3b scsi: remove ordered_tags scsi_device field
Remove the ordered_tags field, we haven't been issuing ordered tags based
on it since the big barrier rework in 2010.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
2014-11-12 11:19:40 +01:00
Christoph Hellwig
a62182f338 scsi: provide a generic change_queue_type method
Most drivers use exactly the same implementation, so provide it as a
library function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-12 11:19:39 +01:00
Linus Torvalds
c3351dfabf Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "Here are the target updates for v3.18-rc2 code.  These where
  originally destined for -rc1, but due to the combination of travel
  last week for KVM Forum and my mistake of taking the three week merge
  window literally, the pull request slipped..  Apologies for that.

  Things where reasonably quiet this round.  The highlights include:

   - New userspace backend driver (target_core_user.ko) by Shaohua Li
     and Andy Grover
   - A number of cleanups in target, iscsi-taret and qla_target code
     from Joern Engel
   - Fix an OOPs related to queue full handling with CHECK_CONDITION
     status from Quinn Tran
   - Fix to disable TX completion interrupt coalescing in iser-target,
     that was causing problems on some hardware
   - Fix for PR APTPL metadata handling with demo-mode ACLs

  I'm most excited about the new backend driver that uses UIO + shared
  memory ring to dispatch I/O and control commands into user-space.
  This was probably the most requested feature by users over the last
  couple of years, and opens up a new area of development + porting of
  existing user-space storage applications to LIO.  Thanks to Shaohua +
  Andy for making this happen.

  Also another honorable mention, a new Xen PV SCSI driver was merged
  via the xen/tip.git tree recently, which puts us now at 10 target
  drivers in upstream! Thanks to David Vrabel + Juergen Gross for their
  work to get this code merged"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (40 commits)
  target/file: fix inclusive vfs_fsync_range() end
  iser-target: Disable TX completion interrupt coalescing
  target: Add force_pr_aptpl device attribute
  target: Fix APTPL metadata handling for dynamic MappedLUNs
  qla_target: don't delete changed nacls
  target/user: Recalculate pad size inside is_ring_space_avail()
  tcm_loop: Fixup tag handling
  iser-target: Fix smatch warning
  target/user: Fix up smatch warnings in tcmu_netlink_event
  target: Add a user-passthrough backstore
  target: Add documentation on the target userspace pass-through driver
  uio: Export definition of struct uio_device
  target: Remove unneeded check in sbc_parse_cdb
  target: Fix queue full status NULL pointer for SCF_TRANSPORT_TASK_SENSE
  qla_target: rearrange struct qla_tgt_prm
  qla_target: improve qlt_unmap_sg()
  qla_target: make some global functions static
  qla_target: remove unused parameter
  target: simplify core_tmr_abort_task
  target: encapsulate smp_mb__after_atomic()
  ...
2014-10-21 13:06:38 -07:00
Linus Torvalds
faafcba3b5 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Optimized support for Intel "Cluster-on-Die" (CoD) topologies (Dave
     Hansen)

   - Various sched/idle refinements for better idle handling (Nicolas
     Pitre, Daniel Lezcano, Chuansheng Liu, Vincent Guittot)

   - sched/numa updates and optimizations (Rik van Riel)

   - sysbench speedup (Vincent Guittot)

   - capacity calculation cleanups/refactoring (Vincent Guittot)

   - Various cleanups to thread group iteration (Oleg Nesterov)

   - Double-rq-lock removal optimization and various refactorings
     (Kirill Tkhai)

   - various sched/deadline fixes

  ... and lots of other changes"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (72 commits)
  sched/dl: Use dl_bw_of() under rcu_read_lock_sched()
  sched/fair: Delete resched_cpu() from idle_balance()
  sched, time: Fix build error with 64 bit cputime_t on 32 bit systems
  sched: Improve sysbench performance by fixing spurious active migration
  sched/x86: Fix up typo in topology detection
  x86, sched: Add new topology for multi-NUMA-node CPUs
  sched/rt: Use resched_curr() in task_tick_rt()
  sched: Use rq->rd in sched_setaffinity() under RCU read lock
  sched: cleanup: Rename 'out_unlock' to 'out_free_new_mask'
  sched: Use dl_bw_of() under RCU read lock
  sched/fair: Remove duplicate code from can_migrate_task()
  sched, mips, ia64: Remove __ARCH_WANT_UNLOCKED_CTXSW
  sched: print_rq(): Don't use tasklist_lock
  sched: normalize_rt_tasks(): Don't use _irqsave for tasklist_lock, use task_rq_lock()
  sched: Fix the task-group check in tg_has_rt_tasks()
  sched/fair: Leverage the idle state info when choosing the "idlest" cpu
  sched: Let the scheduler see CPU idle states
  sched/deadline: Fix inter- exclusive cpusets migrations
  sched/deadline: Clear dl_entity params when setscheduling to different class
  sched/numa: Kill the wrong/dead TASK_DEAD check in task_numa_fault()
  ...
2014-10-13 16:23:15 +02:00
Linus Torvalds
9a50aaefc1 SCSI for-linus on 20141007
This patch set consists of the usual driver updates (megaraid_sas, arcmsr,
 be2iscsi, lpfc, mpt2sas, mpt3sas, qla2xxx, ufs) plus several assorted fixes
 and miscellaneous updates (including the pci_msix_enable_range() changes that
 have been pending for a while).
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This patch set consists of the usual driver updates (megaraid_sas,
  arcmsr, be2iscsi, lpfc, mpt2sas, mpt3sas, qla2xxx, ufs) plus several
  assorted fixes and miscellaneous updates (including the
  pci_msix_enable_range() changes that have been pending for a while)"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (202 commits)
  scsi: add a CONFIG_SCSI_MQ_DEFAULT option
  ufs: definitions for phy interface
  ufs: tune bkops while power managment events
  ufs: Add support for clock scaling using devfreq framework
  ufs: Add freq-table-hz property for UFS device
  ufs: Add support for clock gating
  ufs: refactor configuring power mode
  ufs: add UFS power management support
  ufs: introduce well known logical unit in ufs
  ufs: manually add well known logical units
  ufs: Active Power Mode - configuring bActiveICCLevel
  ufs: improve init sequence
  ufs: refactor query descriptor API support
  ufs: add voting support for host controller power
  ufs: Add clock initialization support
  ufs: Add regulator enable support
  ufs: Allow vendor specific initialization
  scsi: don't add scsi_device if its already visible
  scsi: fix the type for well known LUs
  scsi: fix comment in struct Scsi_Host definition
  ...
2014-10-07 21:29:18 -04:00
Linus Torvalds
28596c9722 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull "trivial tree" updates from Jiri Kosina:
 "Usual pile from trivial tree everyone is so eagerly waiting for"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  Remove MN10300_PROC_MN2WS0038
  mei: fix comments
  treewide: Fix typos in Kconfig
  kprobes: update jprobe_example.c for do_fork() change
  Documentation: change "&" to "and" in Documentation/applying-patches.txt
  Documentation: remove obsolete pcmcia-cs from Changes
  Documentation: update links in Changes
  Documentation: Docbook: Fix generated DocBook/kernel-api.xml
  score: Remove GENERIC_HAS_IOMAP
  gpio: fix 'CONFIG_GPIO_IRQCHIP' comments
  tty: doc: Fix grammar in serial/tty
  dma-debug: modify check_for_stack output
  treewide: fix errors in printk
  genirq: fix reference in devm_request_threaded_irq comment
  treewide: fix synchronize_rcu() in comments
  checkstack.pl: port to AArch64
  doc: queue-sysfs: minor fixes
  init/do_mounts: better syntax description
  MIPS: fix comment spelling
  powerpc/simpleboot: fix comment
  ...
2014-10-07 21:16:26 -04:00
Joern Engel
f4c24db1b7 qla_target: don't delete changed nacls
The code is currently riddled with "drop the hardware_lock to avoid a
deadlock" bugs that expose races.  One of those races seems to expose a
valid warning in tcm_qla2xxx_clear_nacl_from_fcport_map.  Add some
bandaid to it.

Signed-off-by: Joern Engel <joern@logfs.org>
Cc: <stable@vger.kernel.org> # v3.5+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-10-03 14:35:56 -07:00
Joern Engel
db3a99b992 qla_target: rearrange struct qla_tgt_prm
On most (non-x86) 64bit platforms this will remove 8 padding bytes
from the structure.

Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-10-01 14:39:30 -07:00
Joern Engel
f9b6721a9c qla_target: improve qlt_unmap_sg()
Remove the inline attribute.  Modern compilers ignore it and the
function has grown beyond where inline made sense anyway.
Remove the BUG_ON(!cmd->sg_mapped), and instead return if sg_mapped is
not set.  Every caller is doing this check, so we might as well have it
in one place instead of four.

Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-10-01 14:39:29 -07:00
Joern Engel
55a9066fff qla_target: make some global functions static
Also removes the declarations from the header - including two
declarations without function definitions or callers.

Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-10-01 14:39:18 -07:00
Joern Engel
c570104206 qla_target: remove unused parameter
Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-10-01 14:39:14 -07:00
Himanshu Madhani
63163e0601 qla2xxx: Add memory barrier before ringing doorbell.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:08 +02:00
Saurav Kashyap
e07f8f6547 qla2xxx: Add flags for tracing the target commands.
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:08 +02:00
Quinn Tran
d564a372b0 qla2xxx: Fix hang due to cmd_kref not decrementing
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:08 +02:00
Himanshu Madhani
da6b0ace34 qla2xxx: Do not send SS_RESIDUAL_UNDER with SAM_STAT_BUSY
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:08 +02:00
Quinn Tran
33e7997755 qla2xxx: Add support for QFull throttling and Term Exchange retry
Through the qla target code, the qlt_send_term_exchange() routine
is used in various different places to cleanup an exchange. For the
case of IOCB request queue is full, the exchange is left unhandled/
dangling. Existing code does not have re-try logic to cleanup the
exchange. This patch add retry logic to cleanup the exchange before
letting new commands through.

For the case of FW running out of exchanges, driver need to reply
SAM_STAT_BUSY to the initiators. This patch add a pending queue
for the busy reply in case IOCB queue is unable to handle the cmd.

Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Saurav Kashyap
f2ea653fd4 qla2xxx: Increase the request queue size to 8K for ISP2031
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Arun Easi
80187f8e7b qla2xxx: Host reset handling in ABTS path.
ABTS path takes path similar to regular task management, but
reset_count was not initialized when allocating mcmd causing
the response to get dropped in qlt_xmit_tm_rsp. Fix this by
initializing reset_count correctly.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Arun Easi
b6a029e1b0 qla2xxx: Handle chip reset in target mode.
A chip reset can occur after driver submits command to the stack. Abort
command processing if a chip reset has occurred or in progress when you
get a follow up for a command.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Arun Easi
c0cb44967b qla2xxx: Add Host reset handling in target mode.
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Himanshu Madhani
dd9c4eff77 qla2xxx: fix crash due to task mgmt cmd type
tcm_qla2xxx_get_task_tag incorrectly assume command is
qla_tgt_cmd.  Add check to see if it's a scsi cmd or
task mgmt command.

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Saurav Kashyap
d29fb7360e qla2xxx: Add counter for message
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:07 +02:00
Arun Easi
d154f35029 qla2xxx: Enable SLER conditionally in target mode.
Sequence level error recovery (aka FC Tape) is not really required
for disk devices. On heavily loaded system, with slow turn around,
a bunch of status enquiries using REC puts additional burden to the
target, so just turn off SLER by default.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Arun Easi
667024a365 qla2xxx: Remove verbose messages in target mode.
Turning logging bits for target mode ON dumps quite a lot verbose
messages, remove those and change some of the IO path logging to
use IO bits.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Himanshu Madhani
9400703744 qla2xxx: Increase room in request queue for sending priority packets
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Arun Easi
75554b68ac qla2xxx: Use correct offset to req-q-out for reserve calculation
Cc: <stable@vger.kernel.org>
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Himanshu Madhani
78c2106a50 qla2xxx: fix kernel NULL pointer access
This patch is to fix regression added by commit id
51a07f8464.

When allocating memory for new session original patch does
not assign vha to op->vha resulting into NULL pointer
access during qlt_create_sess_from_atio().

Cc: <stable@vger.kernel.org>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Himanshu Madhani
4d6609c473 qla2xxx: Fix sparse warnings in tcm_qla2xxx.c
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Saurav Kashyap
1b5fd56466 qla2xxx: Update the driver version to 8.07.00.16-k.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:06 +02:00
Joe Carnuccio
6d78e5576b qla2xxx: Fix sparse warning in qla_iocb.c file.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:05 +02:00
Sawan Chandak
7ab3d96208 qla2xxx: Move warning message to debug level.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:05 +02:00
Chad Dupuis
f261f7aff7 qla2xxx: Fail adapter initialization on load ram failure.
If we fail to load one of the segments of firmware fail the operation
instead of trying to continue which will lead to a system crash since
the pointers to the next segment will not be updated correctly.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:05 +02:00
Chad Dupuis
61d41f610d qla2xxx: Disable PCI device in shutdown handler.
Disable the PCI device during shutdown to prevent any races with
other PCI code such as the AER handling code.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:05 +02:00
Chad Dupuis
ef86cb2059 qla2xxx: Mark port lost when we receive an RSCN for it.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:05 +02:00
Himanshu Madhani
2486c62765 qla2xxx: Restore WWPN in case of Loop Dead.
For FA-WWPN capable device, ISP2031 and ISP27XX, when loop
dead is detected by a driver, restore WWPN from NVRAM.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:05 +02:00
Chad Dupuis
e05fe29248 qla2xxx: Honor FCP_RSP retry delay timer field.
Parse the retry delay timer field from the FCP response data and if:

- It is not zero
- The SCSI status is busy or queue full

return SCSI_MLQUEUE_TARGET_BUSY for the number of milliseconds specified
in the retry delay timer field.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Alex Vechersky
9a6e6400a9 qla2xxx: Add missing ISP27xx checks to optrom code.
Signed-off-by: Alex Vechersky <alex.vechersky@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Chad Dupuis
f3982d8931 qla2xxx: Force use of mailbox interface for flash access commands for ISP27xx.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Nigel Kirkland
7473952e8d qla2xxx: Free sysfs attributes for ISP27xx.
Signed-off-by: Nigel Kirkland <nigel.kirkland@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Himanshu Madhani
2d5a4c344a qla2xxx: Disable laser for ISP2031 while unloading driver.
Nameserver data on FC switch is not refreshed when
qla2xxx driver is unloaded. Disabling laser for
ISP2031 will force FC switch to rescan ports and
clear fdmi entries from Nameserver.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Himanshu Madhani
25232cc9b8 qla2xxx: Enable diagnostic port using NVRAM parameters.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Quinn Tran
93f2bd67b3 qla2xxx: Declaration error cause stack corruption.
Declaration error of mb array in qla2x00_iidma_fcport cause data
to be written beyond the array. This ends up causing stack corruption.

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:04 +02:00
Sawan Chandak
9d35894d33 qla2xxx: Add fix in driver unload for pending activity.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:03 +02:00
Arun Easi
d2749ffadb qla2xxx: Unload of qla2xxx driver crashes the machine.
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:03 +02:00
Himanshu Madhani
de187df867 qla2xxx: Allow user to change ql2xfdmienable value.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:03 +02:00
Himanshu Madhani
00ef7d885b qla2xxx: Fix driver version string message.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:03 +02:00
Joe Carnuccio
b5a340dd85 qla2xxx: Add diagnostic port functionality.
Add support for the D-port (diagnostic port) fabric switch feature.

(Fabric Switch initiates loopback style port testing)

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:03 +02:00
Joe Carnuccio
7c9c476689 qla2xxx: Add FA-WWN functionality.
Add support for the FA-WWN (fabric assigned wwn) fabric switch feature.

(Fabric Assigned World Wide Port Name)

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:03 +02:00
Himanshu Madhani
df57cabac4 qla2xxx: Add FDMI-2 functionality.
Add support for the FDMI-2 fabric switch feature.

Since FDMI-2 uses code from FDMI-1, some of the existing code
needed to be repaired to prevent fields from being overflowed.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Jan Kulich
e475f9c0a5 qla2xxx: ISPFx00 unexpected resets during adapter boot sequence.
Signed-off-by: Jan Kulich <jan.kulich@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
24a42d50ef qla2xxx: Incorrect linked list semantic in qlafx00_get_fcport().
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
7b711623e1 qla2xxx: Incorrect debug level on mailbox command print 0x1111.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
4bb2efc45f qla2xxx: ISPFX00 avoid writing semaphore register in request_irqs().
Semaphore register does not exist for ISPFx00.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
efcdf9f5c8 qla2xxx: Fix potential return count bug in qla2xxx_get_vpd_field().
Call scnprintf() instead of snprintf() since the latter may return
an incorrect count in cases where the write is truncated to fit.

scnprintf() returns the count of what was actually written;
snprintf() returns the count of what would have been written.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
349c390f43 qla2xxx: ISP27xx fwdump template error print simplification.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
4096953054 qla2xxx: ISP25xx multiqueue shadow register crash fix.
When creating request/response queues from qla25xx_setup_mode(),
the shadow index register pointers were not being initialized
to point at the registers.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:02 +02:00
Joe Carnuccio
98aee70d19 qla2xxx: Add endianizer to max_payload_size modifier.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
Chad Dupuis
420854b3cd qla2xxx: Enable fast flash access for ISP83xx.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
Joe Carnuccio
2ac224bc0e qla2xxx: Add ISP27xx fwdump template entry T275 (insert buffer).
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
Joe Carnuccio
ce9b9b0858 qla2xxx: ISP27xx fwdump template fix insertbuf() routine.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
Joe Carnuccio
01cb65f1bb qla2xxx: ISP27xx fwdump template remove high frequency debug logs.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
Joe Carnuccio
aa2dc3727a qla2xxx: ISP27xx optimize fwdump entry table lookup.
Since the entry call array is sorted in order of entry type opcode,
the search can be terminated as soon as the search key is exceeded.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
Joe Carnuccio
299f5e27ac qla2xxx: ISP27xx add tests for incomplete template.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25 14:25:01 +02:00
David S. Miller
df568d8e52 scsi: Use 'depends' with LIBFC instead of 'select'.
LIBFC depends upon SCSI_FC_ATTRS and select's CRC32C.

The only alternative would be to 'select' CRC32C and all of
SCSI_FC_ATTRS direct and indirect dependencies in the Kconfig section
for every LIBFCOE user which makes little sense.

Subsequently, use 'depends' instead of 'select' for LIBFCOE too.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-22 13:14:33 -04:00
Kirill Tkhai
f139caf2e8 sched, cleanup, treewide: Remove set_current_state(TASK_RUNNING) after schedule()
schedule(), io_schedule() and schedule_timeout() always return
with TASK_RUNNING state set, so one more setting is unnecessary.

(All places in patch are visible good, only exception is
 kiblnd_scheduler() from:

      drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c

 Its schedule() is one line above standard 3 lines of unified diff)

No places where set_current_state() is used for mb().

Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1410529254.3569.23.camel@tkhai
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Anil Belur <askb23@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Kleikamp <shaggy@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: David Howells <dhowells@redhat.com>
Cc: Dmitry Eremin <dmitry.eremin@intel.com>
Cc: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Isaac Huang <he.huang@intel.com>
Cc: James E.J. Bottomley <JBottomley@parallels.com>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Laura Abbott <lauraa@codeaurora.org>
Cc: Liang Zhen <liang.zhen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Masaru Nomura <massa.nomura@gmail.com>
Cc: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Neil Brown <neilb@suse.de>
Cc: Oleg Drokin <green@linuxhacker.ru>
Cc: Peng Tao <bergwolf@gmail.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Robert Love <robert.w.love@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: Ursula Braun <ursula.braun@de.ibm.com>
Cc: Zi Shen Lim <zlim.lnx@gmail.com>
Cc: devel@driverdev.osuosl.org
Cc: dm-devel@redhat.com
Cc: dri-devel@lists.freedesktop.org
Cc: fcoe-devel@open-fcoe.org
Cc: jfs-discussion@lists.sourceforge.net
Cc: linux390@de.ibm.com
Cc: linux-afs@lists.infradead.org
Cc: linux-cris-kernel@axis.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-nfs@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-raid@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: qla2xxx-upstream@qlogic.com
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: user-mode-linux-user@lists.sourceforge.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-09-19 12:35:17 +02:00
Randy Dunlap
6a38792ca8 scsi: use 'depends' instead of 'select' for SCSI_FC_ATTRS
There are other kconfig symbols which use SCSI_FC_ATTRS.
In order to maintain sanity and prevent kconfig warnings, change
all of these from using 'select' to using 'depends on' so that
proper symbol dependencies will be honored and circular depends
problems will be avoided.
This fixes kconfig warnings and build errors:

warning: (LIBFC && SCSI_IBMVFC && SCSI_QLA_FC && SCSI_LPFC && ZFCP && SCSI_BFA_FC && SCSI_CHELSIO_FCOE && FUSION_FC) selects SCSI_FC_ATTRS which has unmet direct dependencies (SCSI && NET)
drivers/scsi/scsi_transport_fc.c: In function 'fc_host_post_event':
drivers/scsi/scsi_transport_fc.c:543:7: error: 'scsi_nl_sock' undeclared (first use in this function)
drivers/scsi/scsi_transport_fc.c: In function 'fc_host_post_vendor_event':
drivers/scsi/scsi_transport_fc.c:611:7: error: 'scsi_nl_sock' undeclared (first use in this function)

Reported-by: Fengguang Wu <fengguang.wu@intel.com> [0-day test robot]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-16 16:55:55 -04:00
Joe Lawrence
6b3839790b qla2xxx: Prevent probe and board_disable race
The PCI register read checking introduced in commit fe1b806f4f
("qla2xxx: Disable adapter when we encounter a PCI disconnect") is
active during driver probe. Hold off scheduling any board removal until
the driver probe has completed. This ensures that the the board_disable
work structure is initialized and more importantly, avoids racing
qla2x00_probe_one.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:10:01 -07:00
Joe Lawrence
beb9e315e6 qla2xxx: Prevent removal and board_disable race
Introduce mutual exclusion between the qla2xxx_remove_one PCI driver
callback and qla2x00_disable_board_on_pci_error, which is scheduled as
board_disable work by qla2x00_check_reg{32,16}_for_disconnect:

* Leave the driver-specific data attached to the underlying PCI device
intact in qla2x00_disable_board_on_pci_error, so that qla2x00_remove_one
has enough breadcrumbs to determine that any board_disable work has been
completed.

* In qla2xxx_remove_one, set a bit to prevent any subsequent
board_disable work from scheduling, then cancel and wait until pending
work has completed.

* Reuse the PCI device enable count check in qla2x00_remove_one to
determine if board_disable has occured. The original purpose of this
check was unnecessary since the driver remove function wasn't called
when the probe fails.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:10:01 -07:00
Joe Lawrence
232792b6b4 qla2xxx: Schedule board_disable only once
There are various callers of qla2x00_check_reg{32,16}_for_disconnect
that may schedule board removal on PCI-disconnect. Test-and-set a
dedicated flag before scheduling board_disable so it is invoked only
once.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:10:00 -07:00
Joe Lawrence
c821e0d5b2 qla2xxx: Collect PCI register checks and board_disable scheduling
Add an uint16_t variant of qla2x00_check_reg_for_disconnect and use
these routines to check and schedule a PCI-disconnected board from a
centralized place.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:59 -07:00
Joe Lawrence
1a2fbf185c qla2xxx: Use qla2x00_clear_drv_active on probe failure
Take advantage of commit fe1b806f4f ("qla2xxx: Refactor shutdown code
so some functionality can be reused") to remove an inlined copy of
qla2x00_clear_drv_active in the driver's probe hardware error path.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:59 -07:00
Joe Lawrence
db7157d4cf qla2xxx: Fix shost use-after-free on device removal
Once calling scsi_host_put, be careful to not access qla_hw_data through
the Scsi_Host private data (ie, scsi_qla_host base_vha).

Fixes: fe1b806f4f ("qla2xxx: Refactor shutdown code so some functionality can be reused")
Cc: stable@vger.kernel.org # 3.14, 3.15, 3.16
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:58 -07:00
Hans Wennborg
fc3850458c scsi: fix decimal printf format specifiers prefixed with 0x
The prefix suggests the number should be printed in hex, so use
the %x specifier to do that.

Found by using regex suggested by Joe Perches.

Signed-off-by: Hans Wennborg <hans@hanshq.net>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:45 -07:00
Chad Dupuis
8e5a9484ae qla2xxx: Remove restriction on starting remote device discovery on port update.
Limiting which port update events will allow the driver to kick off a
name server scan has been problematic in some corner cases so remove the
restriction and restore the previous semantic. Also move the link
up/down informational messages to the LOOP_UP and LOOP_DOWN events.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:44 -07:00
Chad Dupuis
34c5801d81 qla2xxx: Move mailbox failure messages to a default debug level.
Move the mailbox failure messages to a default debugging level so that
benign failures won't flood the system logs but will still show up if
default debug messaging is enabled (ql2xextended_error_logging=1).

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:43 -07:00
Alexander Gordeev
84e32a06f4 qla2xxx: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range()  or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.

Log message code 0x00c6 preserved, although it is reported
after successful call to pci_enable_msix_range(), not before
possibly unsuccessful call to pci_enable_msix(). Consumers
of the error code should not notice the difference.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Cc: qla2xxx-upstream@qlogic.com
Cc: linux-scsi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16 09:09:42 -07:00
Masanari Iida
9b13494c91 treewide: Fix typo in printk
This patch fix spelling typo in printk within vairous
part of the code.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-26 09:35:54 +02:00
Joe Perches
0ea85b50f8 qla2xxx: Use dma_zalloc_coherent
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25 17:16:55 -04:00
Hannes Reinecke
1abf635d2f scsi: use 64-bit value for 'max_luns'
Now that we're using 64-bit LUNs internally we need to increase
the size of max_luns to 64 bits, too.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-17 22:07:38 +02:00
Hannes Reinecke
9cb78c16f5 scsi: use 64-bit LUNs
The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.

So update the linux SCSI stack to use 64-bit LUN numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-17 22:07:37 +02:00
Hannes Reinecke
755f516bbb qla2xxx: Restrict max_lun to 16-bit for older HBAs
Older HBAs are only capable of supporting 16-bit LUNs,
so we need to make sure to adjust max_lun accordingly.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-17 22:07:36 +02:00
Quinn Tran
33a5fcee7f qla2xxx: Fix sparse warning in qla_target.c.
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-25 13:29:31 +02:00
Linus Torvalds
abf04af74a SCSI for-linus on 20140613
This is just a couple of drivers (hpsa and lpfc) that got left out for further
 testing in linux-next.  We also have one fix to a prior submission (qla2xxx
 sparse).
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is just a couple of drivers (hpsa and lpfc) that got left out for
  further testing in linux-next.  We also have one fix to a prior
  submission (qla2xxx sparse)"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (36 commits)
  qla2xxx: fix sparse warnings introduced by previous target mode t10-dif patch
  lpfc: Update lpfc version to driver version 10.2.8001.0
  lpfc: Fix ExpressLane priority setup
  lpfc: mark old devices as obsolete
  lpfc: Fix for initializing RRQ bitmap
  lpfc: Fix for cleaning up stale ring flag and sp_queue_event entries
  lpfc: Update lpfc version to driver version 10.2.8000.0
  lpfc: Update Copyright on changed files from 8.3.45 patches
  lpfc: Update Copyright on changed files
  lpfc: Fixed locking for scsi task management commands
  lpfc: Convert runtime references to old xlane cfg param to fof cfg param
  lpfc: Fix FW dump using sysfs
  lpfc: Fix SLI4 s abort loop to process all FCP rings and under ring_lock
  lpfc: Fixed kernel panic in lpfc_abort_handler
  lpfc: Fix locking for postbufq when freeing
  lpfc: Fix locking for lpfc_hba_down_post
  lpfc: Fix dynamic transitions of FirstBurst from on to off
  hpsa: fix handling of hpsa_volume_offline return value
  hpsa: return -ENOMEM not -1 on kzalloc failure in hpsa_get_device_id
  hpsa: remove messages about volume status VPD inquiry page not supported
  ...
2014-06-14 19:49:48 -05:00
Linus Torvalds
ed9ea4ed3a Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "The highlights this round include:

   - Add support for T10 PI pass-through between vhost-scsi +
     virtio-scsi (MST + Paolo + MKP + nab)
   - Add support for T10 PI in qla2xxx target mode (Quinn + MKP + hch +
     nab, merged through scsi.git)
   - Add support for percpu-ida pre-allocation in qla2xxx target code
     (Quinn + nab)
   - A number of iser-target fixes related to hardening the network
     portal shutdown path (Sagi + Slava)
   - Fix response length residual handling for a number of control CDBs
     (Roland + Christophe V.)
   - Various iscsi RFC conformance fixes in the CHAP authentication path
     (Tejas and Calsoft folks + nab)
   - Return TASK_SET_FULL status for tcm_fc(FCoE) DataIn + Response
     failures (Vasu + Jun + nab)
   - Fix long-standing ABORT_TASK + session reset hang (nab)
   - Convert iser-initiator + iser-target to include T10 bytes into EDTL
     (Sagi + Or + MKP + Mike Christie)
   - Fix NULL pointer dereference regression related to XCOPY introduced
     in v3.15 + CC'ed to v3.12.y (nab)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (34 commits)
  target: Fix NULL pointer dereference for XCOPY in target_put_sess_cmd
  vhost-scsi: Include prot_bytes into expected data transfer length
  TARGET/sbc,loopback: Adjust command data length in case pi exists on the wire
  libiscsi, iser: Adjust data_length to include protection information
  scsi_cmnd: Introduce scsi_transfer_length helper
  target: Report correct response length for some commands
  target/sbc: Check that the LBA and number of blocks are correct in VERIFY
  target/sbc: Remove sbc_check_valid_sectors()
  Target/iscsi: Fix sendtargets response pdu for iser transport
  Target/iser: Fix a wrong dereference in case discovery session is over iser
  iscsi-target: Fix ABORT_TASK + connection reset iscsi_queue_req memory leak
  target: Use complete_all for se_cmd->t_transport_stop_comp
  target: Set CMD_T_ACTIVE bit for Task Management Requests
  target: cleanup some boolean tests
  target/spc: Simplify INQUIRY EVPD=0x80
  tcm_fc: Generate TASK_SET_FULL status for response failures
  tcm_fc: Generate TASK_SET_FULL status for DataIN failures
  iscsi-target: Reject mutual authentication with reflected CHAP_C
  iscsi-target: Remove no-op from iscsit_tpg_del_portal_group
  iscsi-target: Fix CHAP_A parameter list handling
  ...
2014-06-12 22:38:32 -07:00
Linus Torvalds
1c54fc1efe SCSI for-linus on 20140609
This patch consists of the usual driver updates (qla2xxx, qla4xxx, lpfc,
 be2iscsi, fnic, ufs, NCR5380) The NCR5380 is the addition to maintained status
 of a long neglected driver for older hardware.  In addition there are a lot of
 minor fixes and cleanups and some more updates to make scsi mq ready.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This patch consists of the usual driver updates (qla2xxx, qla4xxx,
  lpfc, be2iscsi, fnic, ufs, NCR5380) The NCR5380 is the addition to
  maintained status of a long neglected driver for older hardware.  In
  addition there are a lot of minor fixes and cleanups and some more
  updates to make scsi mq ready"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (130 commits)
  include/scsi/osd_protocol.h: remove unnecessary __constant
  mvsas: Recognise device/subsystem 9485/9485 as 88SE9485
  Revert "be2iscsi: Fix processing cqe for cxn whose endpoint is freed"
  mptfusion: fix msgContext in mptctl_hp_hostinfo
  acornscsi: remove linked command support
  scsi/NCR5380: dprintk macro
  fusion: Remove use of DEF_SCSI_QCMD
  fusion: Add free msg frames to the head, not tail of list
  mpt2sas: Add free smids to the head, not tail of list
  mpt2sas: Remove use of DEF_SCSI_QCMD
  mpt2sas: Remove uses of serial_number
  mpt3sas: Remove use of DEF_SCSI_QCMD
  mpt3sas: Remove uses of serial_number
  qla2xxx: Use kmemdup instead of kmalloc + memcpy
  qla4xxx: Use kmemdup instead of kmalloc + memcpy
  qla2xxx: fix incorrect debug printk
  be2iscsi: Bump the driver version
  be2iscsi: Fix processing cqe for cxn whose endpoint is freed
  be2iscsi: Fix destroy MCC-CQ before MCC-EQ is destroyed
  be2iscsi: Fix memory corruption in MBX path
  ...
2014-06-09 18:54:06 -07:00
Nicholas Bellinger
51a07f8464 qla2xxx: Convert to percpu_ida session tag pre-allocation
This patch converts qla2xxx target code to use generic percpu_ida
tag allocation provided by target-core, thus removing the original
kmem_cache_zalloc() for each struct qla_tgt_cmd descriptor in the
incoming ATIO packet fast-path.

This includes the conversion of qlt_handle_cmd_for_atio() to perform
qla_tgt_sess lookup before dispatching a command descriptor into
qla_tgt_wq process context, along with handling the case where no
active session exists, and subsequently kicking off a seperate
process context for qlt_create_sess_from_atio() to create a new one.

It also includes moving tag allocation into generic code within
qlt_get_tag(), so that the same logic can be shared between
qlt_handle_cmd_for_atio() + qlt_create_sess_from_atio() contexts.
Also, __qlt_do_work() has been made generic between both normal
process context in qlt_do_work() + qlt_create_sess_from_atio().

Next, update qlt_free_cmd() to release the percpu-ida tags, and
drop the now-unused global qla_tgt_cmd_cachep.

Finally in tcm_qla2xxx code, tcm_qla2xxx_check_initiator_node_acl()
has been updated to use transport_init_session_tags() along with a
hardcoded TCM_QLA2XXX_DEFAULT_TAGS=2088 as the number of qla_tgt_cmd
descriptors to pre-allocate per qla_tgt_sess instance.

(Use ha->fw_xcb_count if available to calculate num_tags, and
 also factor in extra pad tags - Quinn)

Cc: Saurav Kashyap <saurav.kashyap@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: Chad Dupuis <chad.dupuis@qlogic.com>
Cc: Roland Dreier <roland@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-06-03 19:18:42 -07:00
Quinn Tran
c7ee3bd487 qla2xxx: fix sparse warnings introduced by previous target mode t10-dif patch
Fix sparse warnings introduce by "qla2xxx: T10-Dif: add T10-PI support".

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02 18:40:48 +02:00
Benoit Taine
c1818f17b5 qla2xxx: Use kmemdup instead of kmalloc + memcpy
This issue was reported by coccicheck using the semantic patch
at scripts/coccinelle/api/memdup.cocci

Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-28 18:13:19 +02:00
Dan Carpenter
f92f82d676 qla2xxx: fix incorrect debug printk
There are missing curly braces here so it prints that the recovery
failed even when it succeeded.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-28 18:13:18 +02:00
Saurav Kashyap
13c3dde23f qla2xxx: Update the driver version to 8.07.00.08-k.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-19 13:31:06 +02:00