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authorDaniel Wagner <dwagner@suse.de>2023-02-08 18:20:14 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2023-03-07 01:06:39 +0300
commit877b03795fcf29ff2e2351f7e574ecc9b9c51732 (patch)
tree42e19cdf0dcf48d4db4fca005236d7964b7e7cbd
parent6cc55c969b7ce8d85e09a636693d4126c3676c11 (diff)
downloadlinux-877b03795fcf29ff2e2351f7e574ecc9b9c51732.tar.xz
scsi: qla2xxx: Add option to disable FC2 Target support
Commit 44c57f205876 ("scsi: qla2xxx: Changes to support FCP2 Target") added support for FC2 Targets. Unfortunately, there are older setups which break with this new feature enabled. Allow to disable it via module option. Link: https://lore.kernel.org/r/20230208152014.109214-1-dwagner@suse.de Signed-off-by: Daniel Wagner <dwagner@suse.de> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c3
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c10
3 files changed, 12 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 9142df876c73..9aba07c7bde4 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -192,6 +192,7 @@ extern int ql2xsecenable;
extern int ql2xenforce_iocb_limit;
extern int ql2xabts_wait_nvme;
extern u32 ql2xnvme_queues;
+extern int ql2xfc2target;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 1dbc1496ebed..ec0423ec6681 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1840,7 +1840,8 @@ 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 (ql2xfc2target &&
+ 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 ",
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 545167627e48..80c4ee9df2a4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -360,6 +360,13 @@ MODULE_PARM_DESC(ql2xnvme_queues,
"1 - Minimum number of queues supported\n"
"8 - Default value");
+int ql2xfc2target = 1;
+module_param(ql2xfc2target, int, 0444);
+MODULE_PARM_DESC(qla2xfc2target,
+ "Enables FC2 Target support. "
+ "0 - FC2 Target support is disabled. "
+ "1 - FC2 Target support is enabled (default).");
+
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
@@ -4085,7 +4092,8 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
"Mark all dev lost\n");
list_for_each_entry(fcport, &vha->vp_fcports, list) {
- if (fcport->loop_id != FC_NO_LOOP_ID &&
+ if (ql2xfc2target &&
+ fcport->loop_id != FC_NO_LOOP_ID &&
(fcport->flags & FCF_FCP2_DEVICE) &&
fcport->port_type == FCT_TARGET &&
!qla2x00_reset_active(vha)) {