[PATCH v2 05/11] qla2xxx: NVME|FCP prefer flag not being honored

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From: Quinn Tran <qutran@xxxxxxxxxxx>

Changing of [FCP|NVME] prefer flag in flash has
no effect on driver. For device that support both FCP + NVME
over the same connection, driver continue to connect to this device
using the previous successful login mode.

On completion of flash update, adapter will be reset. Driver will
reset the prefer flag based on setting from flash.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Quinn Tran <qutran@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
---
 drivers/scsi/qla2xxx/qla_init.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 3f5a933e60d0..8377624d76c9 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -7501,6 +7501,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 	struct scsi_qla_host *vp, *tvp;
 	struct req_que *req = ha->req_q_map[0];
 	unsigned long flags;
+	fc_port_t *fcport;
 
 	if (vha->flags.online) {
 		qla2x00_abort_isp_cleanup(vha);
@@ -7569,6 +7570,15 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 			       "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
 			return status;
 		}
+
+		/* User may have updated [fcp|nvme] prefer in flash */
+		list_for_each_entry(fcport, &vha->vp_fcports, list) {
+			if (NVME_PRIORITY(ha, fcport))
+				fcport->do_prli_nvme = 1;
+			else
+				fcport->do_prli_nvme = 0;
+		}
+
 		if (!qla2x00_restart_isp(vha)) {
 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
 
@@ -7639,6 +7649,14 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 				atomic_inc(&vp->vref_count);
 				spin_unlock_irqrestore(&ha->vport_slock, flags);
 
+				/* User may have updated [fcp|nvme] prefer in flash */
+				list_for_each_entry(fcport, &vp->vp_fcports, list) {
+					if (NVME_PRIORITY(ha, fcport))
+						fcport->do_prli_nvme = 1;
+					else
+						fcport->do_prli_nvme = 0;
+				}
+
 				qla2x00_vp_abort_isp(vp);
 
 				spin_lock_irqsave(&ha->vport_slock, flags);
-- 
2.23.1





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