scsi: ibmvfc: Clean up transport events

No change to functionality. Simply make transport event messages a little
clearer, and rework CRQ format enums such that we have separate enums for
INIT messages and XPORT events.

[mkp: typo]

Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

2 files changed, 11 insertions, 4 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 33dda4d32f65..3ad997ac3510 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2756,16 +2756,18 @@ static void ibmvfc_handle_crq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost)
                 ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_NONE);
                 if (crq->format == IBMVFC_PARTITION_MIGRATED) {
                         /* We need to re-setup the interpartition connection */
-                        dev_info(vhost->dev, "Re-enabling adapter\n");
+                        dev_info(vhost->dev, "Partition migrated, Re-enabling adapter\n");
                         vhost->client_migrated = 1;
                         ibmvfc_purge_requests(vhost, DID_REQUEUE);
                         ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN);
                         ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_REENABLE);
-                } else {
-                        dev_err(vhost->dev, "Virtual adapter failed (rc=%d)\n", crq->format);
+                } else if (crq->format == IBMVFC_PARTNER_FAILED || crq->format == IBMVFC_PARTNER_DEREGISTER) {
+                        dev_err(vhost->dev, "Host partner adapter deregistered or failed (rc=%d)\n", crq->format);
                         ibmvfc_purge_requests(vhost, DID_ERROR);
                         ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN);
                         ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_RESET);
+                } else {
+                        dev_err(vhost->dev, "Received unknown transport event from partner (rc=%d)\n", crq->format);
                 }
                 return;
         case IBMVFC_CRQ_CMD_RSP:
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index b81a53c4a9a8..459cc288ba1d 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -78,9 +78,14 @@ enum ibmvfc_crq_valid {
         IBMVFC_CRQ_XPORT_EVENT          = 0xFF,
 };
 
-enum ibmvfc_crq_format {
+enum ibmvfc_crq_init_msg {
         IBMVFC_CRQ_INIT                 = 0x01,
         IBMVFC_CRQ_INIT_COMPLETE        = 0x02,
+};
+
+enum ibmvfc_crq_xport_evts {
+        IBMVFC_PARTNER_FAILED           = 0x01,
+        IBMVFC_PARTNER_DEREGISTER       = 0x02,
         IBMVFC_PARTITION_MIGRATED       = 0x06,
 };