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scsi: qla2xxx: Add switch command to simplify fabric discovery 

- add "async" gpn_ft, gnn_ft, gfpn_id, gnn_id switch commands.
- For 8G and newer adapters, use async commands when it comes to
fabric scan to reduce bottle neck.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2017-12-28 12:33:26 -08:00 committed by Martin K. Petersen
parent 1429f0446a
commit a4239945b8
9 changed files with 1105 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/qla2xxx/qla_attr.c
View File

@ -2170,6 +2170,8 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
vha->gnl.ldma);
vfree(vha->scan.l);
if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x7087,

72
drivers/scsi/qla2xxx/qla_def.h
View File

@ -2270,11 +2270,13 @@ struct ct_sns_desc {
enum discovery_state {
DSC_DELETED,
DSC_GNN_ID,
DSC_GID_PN,
DSC_GNL,
DSC_LOGIN_PEND,
DSC_LOGIN_FAILED,
DSC_GPDB,
DSC_GFPN_ID,
DSC_GPSC,
DSC_UPD_FCPORT,
DSC_LOGIN_COMPLETE,
@ -2304,8 +2306,9 @@ enum fcport_mgt_event {
FCME_GPDB_DONE,
FCME_GPNID_DONE,
FCME_GFFID_DONE,
FCME_DELETE_DONE,
FCME_ADISC_DONE,
FCME_GNNID_DONE,
FCME_GFPNID_DONE,
};
enum rscn_addr_format {
@ -2338,6 +2341,7 @@ typedef struct fc_port {
unsigned int login_pause:1;
unsigned int login_succ:1;
unsigned int query:1;
unsigned int id_changed:1;
struct work_struct nvme_del_work;
struct completion nvme_del_done;
@ -2485,6 +2489,11 @@ static const char * const port_state_str[] = {
#define GA_NXT_REQ_SIZE (16 + 4)
#define GA_NXT_RSP_SIZE (16 + 620)
#define GPN_FT_CMD 0x172
#define GPN_FT_REQ_SIZE (16 + 4)
#define GNN_FT_CMD 0x173
#define GNN_FT_REQ_SIZE (16 + 4)
#define GID_PT_CMD 0x1A1
#define GID_PT_REQ_SIZE (16 + 4)
@ -2739,6 +2748,13 @@ struct ct_sns_req {
uint8_t port_id[3];
} port_id;
struct {
uint8_t reserved;
uint8_t domain;
uint8_t area;
uint8_t port_type;
} gpn_ft;
struct {
uint8_t port_type;
uint8_t domain;
@ -2852,6 +2868,27 @@ struct ct_sns_gid_pt_data {
uint8_t port_id[3];
};
/* It's the same for both GPN_FT and GNN_FT */
struct ct_sns_gpnft_rsp {
struct {
struct ct_cmd_hdr header;
uint16_t response;
uint16_t residual;
uint8_t fragment_id;
uint8_t reason_code;
uint8_t explanation_code;
uint8_t vendor_unique;
};
/* Assume the largest number of targets for the union */
struct ct_sns_gpn_ft_data {
u8 control_byte;
u8 port_id[3];
u32 reserved;
u8 port_name[8];
} entries[1];
};
/* CT command response */
struct ct_sns_rsp {
struct ct_rsp_hdr header;
@ -2927,6 +2964,24 @@ struct ct_sns_pkt {
} p;
};
struct ct_sns_gpnft_pkt {
union {
struct ct_sns_req req;
struct ct_sns_gpnft_rsp rsp;
} p;
};
struct fab_scan_rp {
port_id_t id;
u8 port_name[8];
u8 node_name[8];
};
struct fab_scan {
struct fab_scan_rp *l;
u32 size;
};
/*
* SNS command structures -- for 2200 compatibility.
*/
@ -3143,6 +3198,11 @@ enum qla_work_type {
QLA_EVT_RELOGIN,
QLA_EVT_ASYNC_PRLO,
QLA_EVT_ASYNC_PRLO_DONE,
QLA_EVT_GPNFT,
QLA_EVT_GPNFT_DONE,
QLA_EVT_GNNFT_DONE,
QLA_EVT_GNNID,
QLA_EVT_GFPNID,
};
@ -3184,7 +3244,9 @@ struct qla_work_evt {
struct {
port_id_t id;
u8 port_name[8];
u8 node_name[8];
void *pla;
u8 fc4_type;
} new_sess;
struct { /*Get PDB, Get Speed, update fcport, gnl, gidpn */
fc_port_t *fcport;
@ -3195,6 +3257,9 @@ struct qla_work_evt {
u8 iocb[IOCB_SIZE];
int type;
} nack;
struct {
u8 fc4_type;
} gpnft;
} u;
};
@ -3729,6 +3794,8 @@ struct qla_hw_data {
(IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha))
#define IS_EXLOGIN_OFFLD_CAPABLE(ha) \
(IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha))
#define USE_ASYNC_SCAN(ha) (IS_QLA25XX(ha) || IS_QLA81XX(ha) ||\
IS_QLA83XX(ha) || IS_QLA27XX(ha))
/* HBA serial number */
uint8_t serial0;
@ -3811,7 +3878,7 @@ struct qla_hw_data {
int exchoffld_size;
int exchoffld_count;
void *swl;
void *swl;
/* These are used by mailbox operations. */
uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
@ -4271,6 +4338,7 @@ typedef struct scsi_qla_host {
uint8_t n2n_port_name[WWN_SIZE];
uint16_t n2n_id;
struct list_head gpnid_list;
struct fab_scan scan;
} scsi_qla_host_t;
struct qla27xx_image_status {

15
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -105,8 +105,8 @@ int qla24xx_async_gpdb(struct scsi_qla_host *, fc_port_t *, u8);
int qla24xx_async_prli(struct scsi_qla_host *, fc_port_t *);
int qla24xx_async_notify_ack(scsi_qla_host_t *, fc_port_t *,
struct imm_ntfy_from_isp *, int);
int qla24xx_post_newsess_work(struct scsi_qla_host *, port_id_t *, u8 *,
void *);
int qla24xx_post_newsess_work(struct scsi_qla_host *, port_id_t *, u8 *, u8*,
void *, u8);
int qla24xx_fcport_handle_login(struct scsi_qla_host *, fc_port_t *);
int qla24xx_detect_sfp(scsi_qla_host_t *vha);
int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8);
@ -655,9 +655,20 @@ void qla24xx_handle_gpnid_event(scsi_qla_host_t *, struct event_arg *);
int qla24xx_post_gpsc_work(struct scsi_qla_host *, fc_port_t *);
int qla24xx_async_gpsc(scsi_qla_host_t *, fc_port_t *);
void qla24xx_handle_gpsc_event(scsi_qla_host_t *, struct event_arg *);
int qla2x00_mgmt_svr_login(scsi_qla_host_t *);
void qla24xx_handle_gffid_event(scsi_qla_host_t *vha, struct event_arg *ea);
int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport);
int qla24xx_async_gpnft(scsi_qla_host_t *, u8);
void qla24xx_async_gpnft_done(scsi_qla_host_t *, srb_t *);
void qla24xx_async_gnnft_done(scsi_qla_host_t *, srb_t *);
int qla24xx_async_gnnid(scsi_qla_host_t *, fc_port_t *);
void qla24xx_handle_gnnid_event(scsi_qla_host_t *, struct event_arg *);
int qla24xx_post_gnnid_work(struct scsi_qla_host *, fc_port_t *);
int qla24xx_post_gfpnid_work(struct scsi_qla_host *, fc_port_t *);
int qla24xx_async_gfpnid(scsi_qla_host_t *, fc_port_t *);
void qla24xx_handle_gfpnid_event(scsi_qla_host_t *, struct event_arg *);
/*
* Global Function Prototypes in qla_attr.c source file.
*/

711
drivers/scsi/qla2xxx/qla_gs.c
View File

@ -2796,6 +2796,9 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
"%s %8phC login state %d\n",
__func__, fcport->port_name, fcport->fw_login_state);
if (fcport->disc_state == DSC_DELETE_PEND)
return;
if (ea->sp->gen2 != fcport->login_gen) {
/* PLOGI/PRLI/LOGO came in while cmd was out.*/
ql_dbg(ql_dbg_disc, vha, 0x201e,
@ -2814,7 +2817,21 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
/* cable plugged into the same place */
switch (vha->host->active_mode) {
case MODE_TARGET:
/* NOOP. let the other guy login to us.*/
if (fcport->fw_login_state ==
DSC_LS_PRLI_COMP) {
u16 data[2];
/*
* Late RSCN was delivered.
* Remote port already login'ed.
*/
ql_dbg(ql_dbg_disc, vha, 0x201f,
"%s %d %8phC post adisc\n",
__func__, __LINE__,
fcport->port_name);
data[0] = data[1] = 0;
qla2x00_post_async_adisc_work(
vha, fcport, data);
}
break;
case MODE_INITIATOR:
case MODE_DUAL:
@ -2840,6 +2857,7 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
}
} else { /* fcport->d_id.b24 != ea->id.b24 */
fcport->d_id.b24 = ea->id.b24;
fcport->id_changed = 1;
if (fcport->deleted != QLA_SESS_DELETED) {
ql_dbg(ql_dbg_disc, vha, 0x2021,
"%s %d %8phC post del sess\n",
@ -3009,6 +3027,38 @@ int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
return qla2x00_post_work(vha, e);
}
void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
struct fc_port *fcport = ea->fcport;
ql_dbg(ql_dbg_disc, vha, 0x20d8,
"%s %8phC DS %d LS %d rscn %d|%d login %d|%d lid %d\n",
__func__, fcport->port_name, fcport->disc_state,
fcport->fw_login_state, fcport->last_rscn_gen, fcport->rscn_gen,
fcport->last_login_gen, fcport->login_gen,
fcport->loop_id);
if (fcport->disc_state == DSC_DELETE_PEND)
return;
if (ea->sp->gen2 != fcport->login_gen) {
/* target side must have changed it. */
ql_dbg(ql_dbg_disc, vha, 0x20d3,
"%s %8phC generation changed rscn %d|%d login %d|%d\n",
__func__, fcport->port_name, fcport->last_rscn_gen,
fcport->rscn_gen, fcport->last_login_gen,
fcport->login_gen);
return;
} else if (ea->sp->gen1 != fcport->rscn_gen) {
ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
__func__, __LINE__, fcport->port_name);
qla24xx_post_gidpn_work(vha, fcport);
return;
}
qla24xx_post_upd_fcport_work(vha, ea->fcport);
}
static void qla24xx_async_gpsc_sp_done(void *s, int res)
{
struct srb *sp = s;
@ -3075,6 +3125,7 @@ done:
ea.event = FCME_GPSC_DONE;
ea.rc = res;
ea.fcport = fcport;
ea.sp = sp;
qla2x00_fcport_event_handler(vha, &ea);
sp->free(sp);
@ -3305,7 +3356,7 @@ void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
"%s %d %8phC post new sess\n",
__func__, __LINE__, ea->port_name);
qla24xx_post_newsess_work(vha, &ea->id,
ea->port_name, NULL);
ea->port_name, NULL, NULL, FC4_TYPE_UNKNOWN);
}
}
}
@ -3595,3 +3646,659 @@ done_free_sp:
fcport->flags &= ~FCF_ASYNC_SENT;
return rval;
}
/* GPN_FT + GNN_FT*/
static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn)
{
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *vp;
unsigned long flags;
u64 twwn;
int rc = 0;
if (!ha->num_vhosts)
return 0;
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry(vp, &ha->vp_list, list) {
twwn = wwn_to_u64(vp->port_name);
if (wwn == twwn) {
rc = 1;
break;
}
}
spin_unlock_irqrestore(&ha->vport_slock, flags);
return rc;
}
void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
{
fc_port_t *fcport;
u32 i, rc;
bool found;
u8 fc4type = sp->gen2;
struct fab_scan_rp *rp;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s enter\n", __func__);
if (sp->gen1 != vha->hw->base_qpair->chip_reset) {
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s scan stop due to chip reset %x/%x\n",
sp->name, sp->gen1, vha->hw->base_qpair->chip_reset);
goto out;
}
rc = sp->rc;
if (rc) {
ql_dbg(ql_dbg_disc, vha, 0xffff,
"GPNFT failed. FC4type %x. Rescanning.\n",
fc4type);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
goto out;
}
list_for_each_entry(fcport, &vha->vp_fcports, list)
fcport->scan_state = QLA_FCPORT_SCAN;
for (i = 0; i < vha->hw->max_fibre_devices; i++) {
u64 wwn;
rp = &vha->scan.l[i];
found = false;
wwn = wwn_to_u64(rp->port_name);
if (wwn == 0)
continue;
if (!memcmp(rp->port_name, vha->port_name, WWN_SIZE))
continue;
/* Bypass reserved domain fields. */
if ((rp->id.b.domain & 0xf0) == 0xf0)
continue;
/* Bypass virtual ports of the same host. */
if (qla2x00_is_a_vp(vha, wwn))
continue;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
continue;
fcport->scan_state = QLA_FCPORT_FOUND;
fcport->d_id.b24 = rp->id.b24;
found = true;
/*
* If device was not a fabric device before.
*/
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
qla2x00_clear_loop_id(fcport);
fcport->flags |= FCF_FABRIC_DEVICE;
}
break;
}
if (!found) {
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC post new sess\n",
__func__, __LINE__, rp->port_name);
qla24xx_post_newsess_work(vha, &rp->id, rp->port_name,
rp->node_name, NULL, fc4type);
}
}
/*
* Logout all previous fabric dev marked lost, except FCP2 devices.
*/
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
continue;
if (fcport->scan_state == QLA_FCPORT_SCAN) {
if ((qla_dual_mode_enabled(vha) ||
qla_ini_mode_enabled(vha)) &&
atomic_read(&fcport->state) == FCS_ONLINE) {
qla2x00_mark_device_lost(vha, fcport,
ql2xplogiabsentdevice, 0);
if (fcport->loop_id != FC_NO_LOOP_ID &&
(fcport->flags & FCF_FCP2_DEVICE) == 0 &&
fcport->port_type != FCT_INITIATOR &&
fcport->port_type != FCT_BROADCAST) {
ql_dbg(ql_dbg_disc, vha, 0x20f0,
"%s %d %8phC post del sess\n",
__func__, __LINE__,
fcport->port_name);
qlt_schedule_sess_for_deletion_lock
(fcport);
continue;
}
}
}
if (fcport->scan_state == QLA_FCPORT_FOUND)
qla24xx_fcport_handle_login(vha, fcport);
}
out:
/* re-use gpnid_done to free resource */
qla24xx_async_gpnid_done(vha, sp);
}
static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
{
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
struct qla_work_evt *e;
struct ct_sns_req *ct_req =
(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
struct ct_sns_gpnft_rsp *ct_rsp =
(struct ct_sns_gpnft_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
struct ct_sns_gpn_ft_data *d = &ct_rsp->entries[0];
struct fab_scan_rp *rp;
int i, j, k;
u16 cmd = be16_to_cpu(ct_req->command);
/* gen2 field is holding the fc4type */
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s res %x FC4Type %x\n",
sp->name, res, sp->gen2);
if (!res) {
port_id_t id;
u64 wwn;
j = 0;
for (i = 0; i < vha->hw->max_fibre_devices; i++) {
d = &ct_rsp->entries[i];
id.b.rsvd_1 = 0;
id.b.domain = d->port_id[0];
id.b.area = d->port_id[1];
id.b.al_pa = d->port_id[2];
wwn = wwn_to_u64(d->port_name);
if (id.b24 == 0 || wwn == 0)
continue;
if (cmd == GPN_FT_CMD) {
rp = &vha->scan.l[j];
rp->id = id;
memcpy(rp->port_name, d->port_name, 8);
j++;
} else {/* GNN_FT_CMD */
for (k = 0; k < vha->hw->max_fibre_devices;
k++) {
rp = &vha->scan.l[k];
if (id.b24 == rp->id.b24) {
memcpy(rp->node_name,
d->port_name, 8);
break;
}
}
}
}
}
if (cmd == GPN_FT_CMD)
e = qla2x00_alloc_work(vha, QLA_EVT_GPNFT_DONE);
else
e = qla2x00_alloc_work(vha, QLA_EVT_GNNFT_DONE);
if (!e) {
/* please ignore kernel warning. Otherwise, we have mem leak. */
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt),
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt),
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
}
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s unable to alloc work element\n",
sp->name);
sp->free(sp);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
return;
}
sp->rc = res;
e->u.iosb.sp = sp;
qla2x00_post_work(vha, e);
}
/*
* Get WWNN list for fc4_type
*
* It is assumed the same SRB is re-used from GPNFT to avoid
* mem free & re-alloc
*/
static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
u8 fc4_type)
{
int rval = QLA_FUNCTION_FAILED;
struct ct_sns_req *ct_req;
struct ct_sns_pkt *ct_sns;
if (!vha->flags.online)
goto done_free_sp;
if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xffff,
"%s: req %p rsp %p are not setup\n",
__func__, sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.rsp);
WARN_ON(1);
goto done_free_sp;
}
sp->type = SRB_CT_PTHRU_CMD;
sp->name = "gnnft";
sp->gen1 = vha->hw->base_qpair->chip_reset;
sp->gen2 = fc4_type;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
/* CT_IU preamble */
ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD,
sp->u.iocb_cmd.u.ctarg.rsp_size);
/* GPN_FT req */
ct_req->req.gpn_ft.port_type = fc4_type;
sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
sp->done = qla2x00_async_gpnft_gnnft_sp_done;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS)
goto done_free_sp;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async-%s hdl=%x FC4Type %x.\n", sp->name,
sp->handle, ct_req->req.gpn_ft.port_type);
return rval;
done_free_sp:
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt),
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt),
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
}
sp->free(sp);
return rval;
} /* GNNFT */
void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
{
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s enter\n", __func__);
del_timer(&sp->u.iocb_cmd.timer);
qla24xx_async_gnnft(vha, sp, sp->gen2);
}
/* Get WWPN list for certain fc4_type */
int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type)
{
int rval = QLA_FUNCTION_FAILED;
struct ct_sns_req *ct_req;
srb_t *sp;
struct ct_sns_pkt *ct_sns;
u32 rspsz;
if (!vha->flags.online)
return rval;
sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
if (!sp)
return rval;
sp->type = SRB_CT_PTHRU_CMD;
sp->name = "gpnft";
sp->gen1 = vha->hw->base_qpair->chip_reset;
sp->gen2 = fc4_type;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
sp->u.iocb_cmd.u.ctarg.req = dma_zalloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
GFP_KERNEL);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xffff,
"Failed to allocate ct_sns request.\n");
goto done_free_sp;
}
rspsz = sizeof(struct ct_sns_gpnft_rsp) +
((vha->hw->max_fibre_devices - 1) *
sizeof(struct ct_sns_gpn_ft_data));
sp->u.iocb_cmd.u.ctarg.rsp = dma_zalloc_coherent(&vha->hw->pdev->dev,
rspsz, &sp->u.iocb_cmd.u.ctarg.rsp_dma, GFP_KERNEL);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xffff,
"Failed to allocate ct_sns request.\n");
goto done_free_sp;
}
memset(vha->scan.l, 0, vha->scan.size);
ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
/* CT_IU preamble */
ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
/* GPN_FT req */
ct_req->req.gpn_ft.port_type = fc4_type;
sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
sp->u.iocb_cmd.u.ctarg.rsp_size = rspsz;
sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
sp->done = qla2x00_async_gpnft_gnnft_sp_done;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS)
goto done_free_sp;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async-%s hdl=%x FC4Type %x.\n", sp->name,
sp->handle, ct_req->req.gpn_ft.port_type);
return rval;
done_free_sp:
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt),
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt),
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
}
sp->free(sp);
return rval;
}
/* GNN_ID */
void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
qla24xx_post_gnl_work(vha, ea->fcport);
}
static void qla2x00_async_gnnid_sp_done(void *s, int res)
{
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
fc_port_t *fcport = sp->fcport;
u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
struct event_arg ea;
u64 wwnn;
fcport->flags &= ~FCF_ASYNC_SENT;
wwnn = wwn_to_u64(node_name);
if (wwnn)
memcpy(fcport->node_name, node_name, WWN_SIZE);
memset(&ea, 0, sizeof(ea));
ea.fcport = fcport;
ea.sp = sp;
ea.rc = res;
ea.event = FCME_GNNID_DONE;
ql_dbg(ql_dbg_disc, vha, 0x204f,
"Async done-%s res %x, WWPN %8phC %8phC\n",
sp->name, res, fcport->port_name, fcport->node_name);
qla2x00_fcport_event_handler(vha, &ea);
sp->free(sp);
}
int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
{
int rval = QLA_FUNCTION_FAILED;
struct ct_sns_req *ct_req;
srb_t *sp;
if (!vha->flags.online)
goto done;
fcport->flags |= FCF_ASYNC_SENT;
fcport->disc_state = DSC_GNN_ID;
sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
if (!sp)
goto done;
sp->type = SRB_CT_PTHRU_CMD;
sp->name = "gnnid";
sp->gen1 = fcport->rscn_gen;
sp->gen2 = fcport->login_gen;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
/* CT_IU preamble */
ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
GNN_ID_RSP_SIZE);
/* GNN_ID req */
ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
/* req & rsp use the same buffer */
sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
sp->done = qla2x00_async_gnnid_sp_done;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS)
goto done_free_sp;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
sp->name, fcport->port_name,
sp->handle, fcport->loop_id, fcport->d_id.b24);
return rval;
done_free_sp:
sp->free(sp);
done:
fcport->flags &= ~FCF_ASYNC_SENT;
return rval;
}
int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_work_evt *e;
int ls;
ls = atomic_read(&vha->loop_state);
if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
test_bit(UNLOADING, &vha->dpc_flags))
return 0;
e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.fcport.fcport = fcport;
return qla2x00_post_work(vha, e);
}
/* GPFN_ID */
void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
fc_port_t *fcport = ea->fcport;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC post gpsc fcp_cnt %d\n",
__func__, __LINE__, fcport->port_name,
vha->fcport_count);
if (fcport->disc_state == DSC_DELETE_PEND)
return;
if (ea->sp->gen2 != fcport->login_gen) {
/* target side must have changed it. */
ql_dbg(ql_dbg_disc, vha, 0x20d3,
"%s %8phC generation changed rscn %d|%d login %d|%d\n",
__func__, fcport->port_name, fcport->last_rscn_gen,
fcport->rscn_gen, fcport->last_login_gen,
fcport->login_gen);
return;
} else if (ea->sp->gen1 != fcport->rscn_gen) {
ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
__func__, __LINE__, fcport->port_name);
qla24xx_post_gidpn_work(vha, fcport);
return;
}
qla24xx_post_gpsc_work(vha, fcport);
}
static void qla2x00_async_gfpnid_sp_done(void *s, int res)
{
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
fc_port_t *fcport = sp->fcport;
u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name;
struct event_arg ea;
u64 wwn;
fcport->flags &= ~FCF_ASYNC_SENT;
wwn = wwn_to_u64(fpn);
if (wwn)
memcpy(fcport->fabric_port_name, fpn, WWN_SIZE);
memset(&ea, 0, sizeof(ea));
ea.fcport = fcport;
ea.sp = sp;
ea.rc = res;
ea.event = FCME_GFPNID_DONE;
ql_dbg(ql_dbg_disc, vha, 0x204f,
"Async done-%s res %x, WWPN %8phC %8phC\n",
sp->name, res, fcport->port_name, fcport->fabric_port_name);
qla2x00_fcport_event_handler(vha, &ea);
sp->free(sp);
}
int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport)
{
int rval = QLA_FUNCTION_FAILED;
struct ct_sns_req *ct_req;
srb_t *sp;
if (!vha->flags.online)
goto done;
fcport->flags |= FCF_ASYNC_SENT;
fcport->disc_state = DSC_GFPN_ID;
sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
if (!sp)
goto done;
sp->type = SRB_CT_PTHRU_CMD;
sp->name = "gfpnid";
sp->gen1 = fcport->rscn_gen;
sp->gen2 = fcport->login_gen;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
/* CT_IU preamble */
ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD,
GFPN_ID_RSP_SIZE);
/* GFPN_ID req */
ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
/* req & rsp use the same buffer */
sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
sp->u.iocb_cmd.u.ctarg.req_size = GFPN_ID_REQ_SIZE;
sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE;
sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
sp->done = qla2x00_async_gfpnid_sp_done;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS)
goto done_free_sp;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
sp->name, fcport->port_name,
sp->handle, fcport->loop_id, fcport->d_id.b24);
return rval;
done_free_sp:
sp->free(sp);
done:
fcport->flags &= ~FCF_ASYNC_SENT;
return rval;
}
int qla24xx_post_gfpnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_work_evt *e;
int ls;
ls = atomic_read(&vha->loop_state);
if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
test_bit(UNLOADING, &vha->dpc_flags))
return 0;
e = qla2x00_alloc_work(vha, QLA_EVT_GFPNID);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.fcport.fcport = fcport;
return qla2x00_post_work(vha, e);
}

312
drivers/scsi/qla2xxx/qla_init.c
View File

@ -41,7 +41,7 @@ static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
struct event_arg *);
static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
struct event_arg *);
static void qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
/* SRB Extensions ---------------------------------------------------------- */
@ -188,8 +188,11 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
fcport->flags |= FCF_ASYNC_SENT;
fcport->logout_completed = 0;
fcport->disc_state = DSC_LOGIN_PEND;
sp->type = SRB_LOGIN_CMD;
sp->name = "login";
sp->gen1 = fcport->rscn_gen;
sp->gen2 = fcport->login_gen;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
lio = &sp->u.iocb_cmd;
@ -336,7 +339,36 @@ done:
static
void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
qla24xx_handle_gpdb_event(vha, ea);
if (ea->rc) {
ql_dbg(ql_dbg_disc, vha, 0x2066,
"%s %8phC: adisc fail: post delete\n",
__func__, ea->fcport->port_name);
qlt_schedule_sess_for_deletion(ea->fcport, 1);
return;
}
ql_dbg(ql_dbg_disc, vha, 0x20d2,
"%s %8phC DS %d LS %d\n", __func__, ea->fcport->port_name,
ea->fcport->disc_state, ea->fcport->fw_login_state);
if (ea->fcport->disc_state == DSC_DELETE_PEND)
return;
if (ea->sp->gen2 != ea->fcport->login_gen) {
/* target side must have changed it. */
ql_dbg(ql_dbg_disc, vha, 0x20d3,
"%s %8phC generation changed rscn %d|%d login %d|%d\n",
__func__, ea->fcport->port_name, ea->fcport->last_rscn_gen,
ea->fcport->rscn_gen, ea->fcport->last_login_gen,
ea->fcport->login_gen);
return;
} else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
__func__, __LINE__, ea->fcport->port_name);
qla24xx_post_gidpn_work(vha, ea->fcport);
return;
}
__qla24xx_handle_gpdb_event(vha, ea);
}
static void
@ -409,10 +441,14 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
u16 i, n, found = 0, loop_id;
port_id_t id;
u64 wwn;
u8 opt = 0, current_login_state;
u16 data[2];
u8 current_login_state;
fcport = ea->fcport;
if (fcport->disc_state == DSC_DELETE_PEND)
return;
if (ea->rc) { /* rval */
if (fcport->login_retry == 0) {
fcport->login_retry = vha->hw->login_retry_count;
@ -506,8 +542,14 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
ql_dbg(ql_dbg_disc, vha, 0x20e4,
"%s %d %8phC post gpdb\n",
__func__, __LINE__, fcport->port_name);
opt = PDO_FORCE_ADISC;
qla24xx_post_gpdb_work(vha, fcport, opt);
if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
fcport->port_type = FCT_INITIATOR;
else
fcport->port_type = FCT_TARGET;
data[0] = data[1] = 0;
qla2x00_post_async_adisc_work(vha, fcport, data);
break;
case DSC_LS_PORT_UNAVAIL:
default:
@ -572,6 +614,7 @@ qla24xx_async_gnl_sp_done(void *s, int res)
struct get_name_list_extended *e;
u64 wwn;
struct list_head h;
bool found = false;
ql_dbg(ql_dbg_disc, vha, 0x20e7,
"Async done-%s res %x mb[1]=%x mb[2]=%x \n",
@ -621,6 +664,38 @@ qla24xx_async_gnl_sp_done(void *s, int res)
qla2x00_fcport_event_handler(vha, &ea);
}
/* create new fcport if fw has knowledge of new sessions */
for (i = 0; i < n; i++) {
port_id_t id;
u64 wwnn;
e = &vha->gnl.l[i];
wwn = wwn_to_u64(e->port_name);
found = false;
list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
if (!memcmp((u8 *)&wwn, fcport->port_name,
WWN_SIZE)) {
found = true;
break;
}
}
id.b.domain = e->port_id[0];
id.b.area = e->port_id[1];
id.b.al_pa = e->port_id[2];
id.b.rsvd_1 = 0;
if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
ql_dbg(ql_dbg_disc, vha, 0x2065,
"%s %d %8phC post new sess\n",
__func__, __LINE__, (u8 *)&wwn);
wwnn = wwn_to_u64(e->node_name);
qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
(u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
}
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
sp->free(sp);
@ -715,10 +790,8 @@ void qla24xx_async_gpdb_sp_done(void *s, int res)
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
struct qla_hw_data *ha = vha->hw;
struct port_database_24xx *pd;
fc_port_t *fcport = sp->fcport;
u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
int rval = QLA_SUCCESS;
struct event_arg ea;
ql_dbg(ql_dbg_disc, vha, 0x20db,
@ -727,19 +800,8 @@ void qla24xx_async_gpdb_sp_done(void *s, int res)
fcport->flags &= ~FCF_ASYNC_SENT;
if (res) {
rval = res;
goto gpd_error_out;
}
pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
rval = __qla24xx_parse_gpdb(vha, fcport, pd);
gpd_error_out:
memset(&ea, 0, sizeof(ea));
ea.event = FCME_GPDB_DONE;
ea.rc = rval;
ea.fcport = fcport;
ea.sp = sp;
@ -934,41 +996,10 @@ done:
}
static
void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
int rval = ea->rc;
fc_port_t *fcport = ea->fcport;
unsigned long flags;
fcport->flags &= ~FCF_ASYNC_SENT;
ql_dbg(ql_dbg_disc, vha, 0x20d2,
"%s %8phC DS %d LS %d rval %d\n", __func__, fcport->port_name,
fcport->disc_state, fcport->fw_login_state, rval);
if (ea->sp->gen2 != fcport->login_gen) {
/* target side must have changed it. */
ql_dbg(ql_dbg_disc, vha, 0x20d3,
"%s %8phC generation changed rscn %d|%d login %d|%d \n",
__func__, fcport->port_name, fcport->last_rscn_gen,
fcport->rscn_gen, fcport->last_login_gen,
fcport->login_gen);
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
return;
} else if (ea->sp->gen1 != fcport->rscn_gen) {
ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
__func__, __LINE__, fcport->port_name);
qla24xx_post_gidpn_work(vha, fcport);
return;
}
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
__func__, __LINE__, fcport->port_name);
qlt_schedule_sess_for_deletion_lock(fcport);
return;
}
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
ea->fcport->login_gen++;
ea->fcport->deleted = 0;
@ -982,32 +1013,81 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
!vha->hw->flags.gpsc_supported) {
ql_dbg(ql_dbg_disc, vha, 0x20d6,
"%s %d %8phC post upd_fcport fcp_cnt %d\n",
__func__, __LINE__, fcport->port_name,
__func__, __LINE__, ea->fcport->port_name,
vha->fcport_count);
qla24xx_post_upd_fcport_work(vha, fcport);
qla24xx_post_upd_fcport_work(vha, ea->fcport);
} else {
ql_dbg(ql_dbg_disc, vha, 0x20d7,
"%s %d %8phC post gpsc fcp_cnt %d\n",
__func__, __LINE__, fcport->port_name,
vha->fcport_count);
qla24xx_post_gpsc_work(vha, fcport);
if (ea->fcport->id_changed) {
ea->fcport->id_changed = 0;
ql_dbg(ql_dbg_disc, vha, 0x20d7,
"%s %d %8phC post gfpnid fcp_cnt %d\n",
__func__, __LINE__, ea->fcport->port_name,
vha->fcport_count);
qla24xx_post_gfpnid_work(vha, ea->fcport);
} else {
ql_dbg(ql_dbg_disc, vha, 0x20d7,
"%s %d %8phC post gpsc fcp_cnt %d\n",
__func__, __LINE__, ea->fcport->port_name,
vha->fcport_count);
qla24xx_post_gpsc_work(vha, ea->fcport);
}
}
} else if (ea->fcport->login_succ) {
/*
* We have an existing session. A late RSCN delivery
* must have triggered the session to be re-validate.
* session is still valid.
* Session is still valid.
*/
ql_dbg(ql_dbg_disc, vha, 0x20d6,
"%s %d %8phC session revalidate success\n",
__func__, __LINE__, fcport->port_name);
fcport->disc_state = DSC_LOGIN_COMPLETE;
__func__, __LINE__, ea->fcport->port_name);
ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
} /* gpdb event */
}
static
void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
int rval = ea->rc;
fc_port_t *fcport = ea->fcport;
struct port_database_24xx *pd;
struct srb *sp = ea->sp;
pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
fcport->flags &= ~FCF_ASYNC_SENT;
ql_dbg(ql_dbg_disc, vha, 0x20d2,
"%s %8phC DS %d LS %d rval %d\n", __func__, fcport->port_name,
fcport->disc_state, pd->current_login_state, rval);
if (fcport->disc_state == DSC_DELETE_PEND)
return;
switch (pd->current_login_state) {
case PDS_PRLI_COMPLETE:
__qla24xx_parse_gpdb(vha, fcport, pd);
break;
case PDS_PLOGI_PENDING:
case PDS_PLOGI_COMPLETE:
case PDS_PRLI_PENDING:
case PDS_PRLI2_PENDING:
ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC relogin needed\n",
__func__, __LINE__, fcport->port_name);
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
return;
case PDS_LOGO_PENDING:
case PDS_PORT_UNAVAILABLE:
default:
ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
__func__, __LINE__, fcport->port_name);
qlt_schedule_sess_for_deletion_lock(fcport);
return;
}
__qla24xx_handle_gpdb_event(vha, ea);
} /* gpdb event */
static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
{
@ -1048,22 +1128,22 @@ static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
{
u16 data[2];
u64 wwn;
ql_dbg(ql_dbg_disc, vha, 0x20d8,
"%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d|%d retry %d lid %d scan %d\n",
__func__, fcport->port_name, fcport->disc_state,
fcport->fw_login_state, fcport->login_pause, fcport->flags,
fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
fcport->last_login_gen, fcport->login_gen, fcport->login_retry,
fcport->loop_id, fcport->scan_state);
if (fcport->login_retry == 0)
return 0;
if (fcport->scan_state != QLA_FCPORT_FOUND)
return 0;
ql_dbg(ql_dbg_disc, vha, 0x20d8,
"%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d|%d retry %d lid %d\n",
__func__, fcport->port_name, fcport->disc_state,
fcport->fw_login_state, fcport->login_pause, fcport->flags,
fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
fcport->last_login_gen, fcport->login_gen, fcport->login_retry,
fcport->loop_id);
fcport->login_retry--;
if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
(fcport->fw_login_state == DSC_LS_PRLI_PEND))
return 0;
@ -1084,9 +1164,17 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
return 0;
}
fcport->login_retry--;
switch (fcport->disc_state) {
case DSC_DELETED:
if (fcport->loop_id == FC_NO_LOOP_ID) {
wwn = wwn_to_u64(fcport->node_name);
if (wwn == 0) {
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC post GNNID\n",
__func__, __LINE__, fcport->port_name);
qla24xx_post_gnnid_work(vha, fcport);
} else if (fcport->loop_id == FC_NO_LOOP_ID) {
ql_dbg(ql_dbg_disc, vha, 0x20bd,
"%s %d %8phC post gnl\n",
__func__, __LINE__, fcport->port_name);
@ -1157,7 +1245,7 @@ void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
}
int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
u8 *port_name, void *pla)
u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
{
struct qla_work_evt *e;
e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
@ -1166,36 +1254,14 @@ int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
e->u.new_sess.id = *id;
e->u.new_sess.pla = pla;
e->u.new_sess.fc4_type = fc4_type;
memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
if (node_name)
memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
return qla2x00_post_work(vha, e);
}
static
int qla24xx_handle_delete_done_event(scsi_qla_host_t *vha,
struct event_arg *ea)
{
fc_port_t *fcport = ea->fcport;
if (test_bit(UNLOADING, &vha->dpc_flags))
return 0;
switch (vha->host->active_mode) {
case MODE_INITIATOR:
case MODE_DUAL:
if (fcport->scan_state == QLA_FCPORT_FOUND)
qla24xx_fcport_handle_login(vha, fcport);
break;
case MODE_TARGET:
default:
/* no-op */
break;
}
return 0;
}
static
void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
struct event_arg *ea)
@ -1261,6 +1327,7 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
case FCME_GIDPN_DONE:
case FCME_GPSC_DONE:
case FCME_GPNID_DONE:
case FCME_GNNID_DONE:
if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
return;
@ -1337,7 +1404,7 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
qla24xx_handle_gnl_done_event(vha, ea);
break;
case FCME_GPSC_DONE:
qla24xx_post_upd_fcport_work(vha, ea->fcport);
qla24xx_handle_gpsc_event(vha, ea);
break;
case FCME_PLOGI_DONE: /* Initiator side sent LLIOCB */
qla24xx_handle_plogi_done_event(vha, ea);
@ -1354,12 +1421,15 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
case FCME_GFFID_DONE:
qla24xx_handle_gffid_event(vha, ea);
break;
case FCME_DELETE_DONE:
qla24xx_handle_delete_done_event(vha, ea);
break;
case FCME_ADISC_DONE:
qla24xx_handle_adisc_event(vha, ea);
break;
case FCME_GNNID_DONE:
qla24xx_handle_gnnid_event(vha, ea);
break;
case FCME_GFPNID_DONE:
qla24xx_handle_gfpnid_event(vha, ea);
break;
default:
BUG_ON(1);
break;
@ -1568,6 +1638,33 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
u16 lid;
struct fc_port *conflict_fcport;
unsigned long flags;
struct fc_port *fcport = ea->fcport;
if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
(fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
ql_dbg(ql_dbg_disc, vha, 0x20ea,
"%s %d %8phC Remote is trying to login\n",
__func__, __LINE__, fcport->port_name);
return;
}
if (fcport->disc_state == DSC_DELETE_PEND)
return;
if (ea->sp->gen2 != fcport->login_gen) {
/* target side must have changed it. */
ql_dbg(ql_dbg_disc, vha, 0x20d3,
"%s %8phC generation changed rscn %d|%d login %d|%d\n",
__func__, fcport->port_name, fcport->last_rscn_gen,
fcport->rscn_gen, fcport->last_login_gen,
fcport->login_gen);
return;
} else if (ea->sp->gen1 != fcport->rscn_gen) {
ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
__func__, __LINE__, fcport->port_name);
qla24xx_post_gidpn_work(vha, fcport);
return;
}
switch (ea->data[0]) {
case MBS_COMMAND_COMPLETE:
@ -5124,7 +5221,14 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
* will be newer than discovery_gen. */
qlt_do_generation_tick(vha, &discovery_gen);
rval = qla2x00_find_all_fabric_devs(vha);
if (USE_ASYNC_SCAN(ha)) {
rval = QLA_SUCCESS;
rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI);
if (rval)
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
} else {
rval = qla2x00_find_all_fabric_devs(vha);
}
if (rval != QLA_SUCCESS)
break;
} while (0);

5
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -3904,7 +3904,10 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
id.b.area = rptid_entry->u.f2.remote_nport_id[1];
id.b.domain = rptid_entry->u.f2.remote_nport_id[2];
qla24xx_post_newsess_work(vha, &id,
rptid_entry->u.f2.port_name, NULL);
rptid_entry->u.f2.port_name,
rptid_entry->u.f2.node_name,
NULL,
FC4_TYPE_UNKNOWN);
}
}
}

47
drivers/scsi/qla2xxx/qla_os.c
View File

@ -3639,6 +3639,8 @@ qla2x00_remove_one(struct pci_dev *pdev)
dma_free_coherent(&ha->pdev->dev,
base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
vfree(base_vha->scan.l);
if (IS_QLAFX00(ha))
qlafx00_driver_shutdown(base_vha, 20);
@ -4587,6 +4589,18 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
return NULL;
}
/* todo: what about ext login? */
vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
vha->scan.l = vmalloc(vha->scan.size);
if (!vha->scan.l) {
ql_log(ql_log_fatal, vha, 0xd04a,
"Alloc failed for scan database.\n");
dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
vha->gnl.l, vha->gnl.ldma);
scsi_remove_host(vha->host);
return NULL;
}
sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
ql_dbg(ql_dbg_init, vha, 0x0041,
"Allocated the host=%p hw=%p vha=%p dev_name=%s",
@ -4760,6 +4774,7 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
struct qlt_plogi_ack_t *pla =
(struct qlt_plogi_ack_t *)e->u.new_sess.pla;
uint8_t free_fcport = 0;
u64 wwn;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC enter\n",
@ -4785,9 +4800,10 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (fcport) {
fcport->d_id = e->u.new_sess.id;
fcport->scan_state = QLA_FCPORT_FOUND;
fcport->flags |= FCF_FABRIC_DEVICE;
fcport->fw_login_state = DSC_LS_PLOGI_PEND;
if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI)
fcport->fc4_type = FC4_TYPE_FCP_SCSI;
memcpy(fcport->port_name, e->u.new_sess.port_name,
WWN_SIZE);
@ -4802,7 +4818,7 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
}
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
/* search again to make sure one else got ahead */
/* search again to make sure no one else got ahead */
tfcp = qla2x00_find_fcport_by_wwpn(vha,
e->u.new_sess.port_name, 1);
if (tfcp) {
@ -4829,6 +4845,10 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
if (N2N_TOPO(vha->hw))
fcport->flags &= ~FCF_FABRIC_DEVICE;
fcport->id_changed = 1;
fcport->scan_state = QLA_FCPORT_FOUND;
memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
if (pla) {
if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
u16 wd3_lo;
@ -4881,7 +4901,13 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
}
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
qla24xx_async_gnl(vha, fcport);
wwn = wwn_to_u64(fcport->node_name);
if (!wwn)
qla24xx_async_gnnid(vha, fcport);
else
qla24xx_async_gnl(vha, fcport);
}
}
@ -4980,6 +5006,21 @@ qla2x00_do_work(struct scsi_qla_host *vha)
qla2x00_async_prlo_done(vha, e->u.logio.fcport,
e->u.logio.data);
break;
case QLA_EVT_GPNFT:
qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type);
break;
case QLA_EVT_GPNFT_DONE:
qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
break;
case QLA_EVT_GNNFT_DONE:
qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
break;
case QLA_EVT_GNNID:
qla24xx_async_gnnid(vha, e->u.fcport.fcport);
break;
case QLA_EVT_GFPNID:
qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
break;
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);

62
drivers/scsi/qla2xxx/qla_target.c
View File

@ -969,7 +969,6 @@ static void qlt_free_session_done(struct work_struct *work)
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
bool logout_started = false;
struct event_arg ea;
scsi_qla_host_t *base_vha;
struct qlt_plogi_ack_t *own =
sess->plogi_link[QLT_PLOGI_LINK_SAME_WWN];
@ -1121,11 +1120,18 @@ static void qlt_free_session_done(struct work_struct *work)
if (test_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags))
return;
if (!tgt || !tgt->tgt_stop) {
memset(&ea, 0, sizeof(ea));
ea.event = FCME_DELETE_DONE;
ea.fcport = sess;
qla2x00_fcport_event_handler(vha, &ea);
if ((!tgt || !tgt->tgt_stop) && !LOOP_TRANSITION(vha)) {
switch (vha->host->active_mode) {
case MODE_INITIATOR:
case MODE_DUAL:
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
break;
case MODE_TARGET:
default:
/* no-op */
break;
}
}
}
@ -4318,6 +4324,7 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
struct fc_port *sess;
struct qla_tgt_cmd *cmd;
unsigned long flags;
port_id_t id;
if (unlikely(tgt->tgt_stop)) {
ql_dbg(ql_dbg_io, vha, 0x3061,
@ -4325,6 +4332,12 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
return -EFAULT;
}
id.b.al_pa = atio->u.isp24.fcp_hdr.s_id[2];
id.b.area = atio->u.isp24.fcp_hdr.s_id[1];
id.b.domain = atio->u.isp24.fcp_hdr.s_id[0];
if (IS_SW_RESV_ADDR(id))
return -EBUSY;
sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, atio->u.isp24.fcp_hdr.s_id);
if (unlikely(!sess)) {
struct qla_tgt_sess_op *op = kzalloc(sizeof(struct qla_tgt_sess_op),
@ -4739,8 +4752,16 @@ static int qlt_handle_login(struct scsi_qla_host *vha,
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC post new sess\n",
__func__, __LINE__, iocb->u.isp24.port_name);
qla24xx_post_newsess_work(vha, &port_id,
iocb->u.isp24.port_name, pla);
if (iocb->u.isp24.status_subcode == ELS_PLOGI)
qla24xx_post_newsess_work(vha, &port_id,
iocb->u.isp24.port_name,
iocb->u.isp24.u.plogi.node_name,
pla, FC4_TYPE_UNKNOWN);
else
qla24xx_post_newsess_work(vha, &port_id,
iocb->u.isp24.port_name, NULL,
pla, FC4_TYPE_UNKNOWN);
goto out;
}
@ -4869,6 +4890,11 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
break;
}
if (IS_SW_RESV_ADDR(port_id)) {
res = 1;
break;
}
wd3_lo = le16_to_cpu(iocb->u.isp24.u.prli.wd3_lo);
if (wwn) {
@ -4896,12 +4922,32 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
}
if (sess != NULL) {
bool delete = false;
spin_lock_irqsave(&tgt->ha->tgt.sess_lock, flags);
switch (sess->fw_login_state) {
case DSC_LS_PLOGI_PEND:
case DSC_LS_PLOGI_COMP:
case DSC_LS_PRLI_COMP:
break;
default:
delete = true;
break;
}
switch (sess->disc_state) {
case DSC_LOGIN_PEND:
case DSC_GPDB:
case DSC_GPSC:
case DSC_UPD_FCPORT:
case DSC_LOGIN_COMPLETE:
case DSC_ADISC:
delete = false;
break;
default:
break;
}
if (delete) {
spin_unlock_irqrestore(&tgt->ha->tgt.sess_lock,
flags);
/*

2
drivers/scsi/qla2xxx/qla_target.h
View File

@ -993,7 +993,7 @@ struct qla_tgt_prm {
/* Check for Switch reserved address */
#define IS_SW_RESV_ADDR(_s_id) \
((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc))
((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
#define QLA_TGT_XMIT_DATA 1
#define QLA_TGT_XMIT_STATUS 2