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scsi: qla2xxx: Recheck session state after RSCN 

When RSCN is delivered for specific remote port. Use ADISC to verify the
session is still valid or not.

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 2017-08-23 15:05:21 -07:00 committed by Martin K. Petersen
parent d213a4b7a5
commit a07fc0a42e
3 changed files with 13 additions and 9 deletions
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2
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -106,7 +106,7 @@ int qla24xx_post_newsess_work(struct scsi_qla_host *, port_id_t *, u8 *,
void *);
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);
/*
* Global Data in qla_os.c source file.
*/

16
drivers/scsi/qla2xxx/qla_gs.c
View File

@ -2816,13 +2816,19 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
case MODE_INITIATOR:
case MODE_DUAL:
default:
ql_dbg(ql_dbg_disc, vha, 0x201f,
"%s %d %8phC post %s\n", __func__,
__LINE__, fcport->port_name,
(atomic_read(&fcport->state) ==
FCS_ONLINE) ? "gpdb" : "gnl");
if (atomic_read(&fcport->state) ==
FCS_ONLINE)
break;
ql_dbg(ql_dbg_disc, vha, 0x201f,
"%s %d %8phC post gnl\n",
__func__, __LINE__, fcport->port_name);
qla24xx_post_gnl_work(vha, fcport);
qla24xx_post_gpdb_work(vha,
fcport, PDO_FORCE_ADISC);
else
qla24xx_post_gnl_work(vha,
fcport);
break;
}
} else { /* fcport->d_id.b24 != ea->id.b24 */

4
drivers/scsi/qla2xxx/qla_init.c
View File

@ -36,7 +36,6 @@ static int qla2x00_restart_isp(scsi_qla_host_t *);
static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
static int qla84xx_init_chip(scsi_qla_host_t *);
static int qla25xx_init_queues(struct qla_hw_data *);
static int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8);
static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
struct event_arg *);
@ -774,8 +773,7 @@ done_free_sp:
return rval;
}
static int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport,
u8 opt)
int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
{
struct qla_work_evt *e;