From: Quinn Tran <quinn.tran@cavium.com>
Date: Wed, 23 Aug 2017 15:05:21 -0700
Subject: scsi: qla2xxx: Recheck session state after RSCN
Patch-mainline: Queued in subsystem maintainer repository
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
Git-commit: a07fc0a42e9ae76e93235f59b089986dc1b751c8
References: FATE#322910
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>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
drivers/scsi/qla2xxx/qla_gbl.h | 2 +-
drivers/scsi/qla2xxx/qla_gs.c | 16 +++++++++++-----
drivers/scsi/qla2xxx/qla_init.c | 4 +---
3 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 3aada5dd597f..0b219b3ca653 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -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.
*/
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 0ec250993e93..bc3db6abc9a0 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -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 */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index fe2d196833aa..30b3acacbfca 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -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 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
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;
--
2.12.3