scsi: qla2xxx: Defer chip reset until target mode is enabled

For target mode, any chip reset triggered before target mode is enabled will
be held off until user is ready to enable.  This prevents the chip from
starting or running before it is intended.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 1ae31a1..9628fe4 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -6047,12 +6047,27 @@ qla2x00_do_dpc(void *data)
                if (test_and_clear_bit
                    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
                    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
+                       bool do_reset = true;
+
+                       switch (ql2x_ini_mode) {
+                       case QLA2XXX_INI_MODE_ENABLED:
+                               break;
+                       case QLA2XXX_INI_MODE_DISABLED:
+                               if (!qla_tgt_mode_enabled(base_vha))
+                                       do_reset = false;
+                               break;
+                       case QLA2XXX_INI_MODE_DUAL:
+                               if (!qla_dual_mode_enabled(base_vha))
+                                       do_reset = false;
+                               break;
+                       default:
+                               break;
+                       }
 
-                       ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
-                           "ISP abort scheduled.\n");
-                       if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
+                       if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
                            &base_vha->dpc_flags))) {
-
+                               ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
+                                   "ISP abort scheduled.\n");
                                if (ha->isp_ops->abort_isp(base_vha)) {
                                        /* failed. retry later */
                                        set_bit(ISP_ABORT_NEEDED,
@@ -6060,10 +6075,9 @@ qla2x00_do_dpc(void *data)
                                }
                                clear_bit(ABORT_ISP_ACTIVE,
                                                &base_vha->dpc_flags);
+                               ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
+                                   "ISP abort end.\n");
                        }
-
-                       ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
-                           "ISP abort end.\n");
                }
 
                if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,