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authorArun Easi <aeasi@marvell.com>2022-06-15 22:35:06 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2022-06-16 21:59:54 -0400
commit2416ccd3815ba1613e10a6da0a24ef21acfe5633 (patch)
tree5d7f6dc9f39bb6b14b05deb0bed2b1c4681ef2c7 /drivers/scsi/qla2xxx/qla_init.c
parentf12d2d130efc49464ef0666789bfeb9073162743 (diff)
downloadlinux-2416ccd3815ba1613e10a6da0a24ef21acfe5633.tar.gz
scsi: qla2xxx: Fix losing FCP-2 targets on long port disable with I/Os
FCP-2 devices were not coming back online once they were lost, login
retries exhausted, and then came back up.  Fix this by accepting RSCN when
the device is not online.

Link: https://lore.kernel.org/r/20220616053508.27186-10-njavali@marvell.com
Fixes: 44c57f205876 ("scsi: qla2xxx: Changes to support FCP2 Target")
Cc: stable@vger.kernel.org
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 7860cf4319ef..41ffad65d29e 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1832,7 +1832,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
 	case RSCN_PORT_ADDR:
 		fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
 		if (fcport) {
-			if (fcport->flags & FCF_FCP2_DEVICE) {
+			if (fcport->flags & FCF_FCP2_DEVICE &&
+			    atomic_read(&fcport->state) == FCS_ONLINE) {
 				ql_dbg(ql_dbg_disc, vha, 0x2115,
 				       "Delaying session delete for FCP2 portid=%06x %8phC ",
 					fcport->d_id.b24, fcport->port_name);
@@ -1864,7 +1865,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
 		break;
 	case RSCN_AREA_ADDR:
 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
-			if (fcport->flags & FCF_FCP2_DEVICE)
+			if (fcport->flags & FCF_FCP2_DEVICE &&
+			    atomic_read(&fcport->state) == FCS_ONLINE)
 				continue;
 
 			if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
@@ -1875,7 +1877,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
 		break;
 	case RSCN_DOM_ADDR:
 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
-			if (fcport->flags & FCF_FCP2_DEVICE)
+			if (fcport->flags & FCF_FCP2_DEVICE &&
+			    atomic_read(&fcport->state) == FCS_ONLINE)
 				continue;
 
 			if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
@@ -1887,7 +1890,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
 	case RSCN_FAB_ADDR:
 	default:
 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
-			if (fcport->flags & FCF_FCP2_DEVICE)
+			if (fcport->flags & FCF_FCP2_DEVICE &&
+			    atomic_read(&fcport->state) == FCS_ONLINE)
 				continue;
 
 			fcport->scan_needed = 1;