scsi: qla2xxx: Fix retry for PRLI RJT with reason of BUSY

Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

3 files changed, 18 insertions, 4 deletions

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 7e9d8f08b9d5..1abc8a9064b3 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -60,7 +60,7 @@
  * |                              |                    | 0xb13c-0xb140  |
  * |                              |                    | 0xb149         |
  * | MultiQ                       |       0xc010       |                |
- * | Misc                         |       0xd302       | 0xd031-0xd0ff  |
+ * | Misc                         |       0xd303       | 0xd031-0xd0ff  |
  * |                              |                    | 0xd101-0xd1fe  |
  * |                              |                    | 0xd214-0xd2fe  |
  * | Target Mode                  |       0xe081       |                |
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 33823d74c782..15a96dc205d0 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -880,7 +880,6 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
                 return rval;
 
         if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
-            fcport->fw_login_state == DSC_LS_PLOGI_COMP ||
             fcport->fw_login_state == DSC_LS_PRLI_PEND)
                 return rval;
 
@@ -1238,6 +1237,11 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
                 qla2x00_post_async_adisc_work(vha, fcport, data);
                 break;
 
+        case DSC_LOGIN_PEND:
+                if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
+                        qla24xx_post_prli_work(vha, fcport);
+                break;
+
         default:
                 break;
         }
@@ -1640,6 +1644,13 @@ qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
                 break;
         default:
+                if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
+                    (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
+                        set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+                        ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
+                        break;
+                }
+
                 if (ea->fcport->n2n_flag) {
                         ql_dbg(ql_dbg_disc, vha, 0x2118,
                                 "%s %d %8phC post fc4 prli\n",
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 735079ba691c..c9a134ae0d2b 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -1025,9 +1025,12 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha)
                  * FW supports nvme and driver load parameter requested nvme.
                  * BIT 26 of fw_attributes indicates NVMe support.
                  */
-                if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable)
+                if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable) {
                         vha->flags.nvme_enabled = 1;
-
+                        ql_log(ql_log_info, vha, 0xd302,
+                            "%s: FC-NVMe is Enabled (0x%x)\n",
+                             __func__, ha->fw_attributes_h);
+                }
         }
 
         if (IS_QLA27XX(ha)) {