Commit 2416ccd3 authored Jun 15, 2022 by Arun Easi Committed by Martin K. Petersen Jun 16, 2022

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: 44c57f20 ("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>

parent f12d2d13

drivers/scsi/qla2xxx/qla_init.c

+8 −4

Original line number	Diff line number	Diff line
		@@ -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;