From: Daniel Wagner dwagner@suse.de
[ Upstream commit 877b03795fcf29ff2e2351f7e574ecc9b9c51732 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/qla2xxx/qla_gbl.h | 1 + drivers/scsi/qla2xxx/qla_init.c | 3 ++- drivers/scsi/qla2xxx/qla_os.c | 10 +++++++++- 3 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index e3256e721be14..ee54207fc5319 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 8f2a968793913..d506eb3a9b639 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1841,7 +1841,8 @@ 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 37eb235fa308a..02913cc75195b 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;
@@ -4086,7 +4093,8 @@ 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)) {