summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/ibmvscsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/ibmvscsi')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c17
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.h4
2 files changed, 15 insertions, 6 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 8715a7b140cc..2aa3d695d548 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -561,7 +561,7 @@ static void ibmvfc_init_host(struct ibmvfc_host *vhost, int relogin)
struct ibmvfc_target *tgt;
if (vhost->action == IBMVFC_HOST_ACTION_INIT_WAIT) {
- if (++vhost->init_retries > IBMVFC_MAX_INIT_RETRIES) {
+ if (++vhost->init_retries > IBMVFC_MAX_HOST_INIT_RETRIES) {
dev_err(vhost->dev,
"Host initialization retries exceeded. Taking adapter offline\n");
ibmvfc_link_down(vhost, IBMVFC_HOST_OFFLINE);
@@ -845,11 +845,12 @@ static void ibmvfc_reset_host(struct ibmvfc_host *vhost)
static void ibmvfc_retry_host_init(struct ibmvfc_host *vhost)
{
if (vhost->action == IBMVFC_HOST_ACTION_INIT_WAIT) {
- if (++vhost->init_retries > IBMVFC_MAX_INIT_RETRIES) {
+ vhost->delay_init = 1;
+ if (++vhost->init_retries > IBMVFC_MAX_HOST_INIT_RETRIES) {
dev_err(vhost->dev,
"Host initialization retries exceeded. Taking adapter offline\n");
ibmvfc_link_down(vhost, IBMVFC_HOST_OFFLINE);
- } else if (vhost->init_retries == IBMVFC_MAX_INIT_RETRIES)
+ } else if (vhost->init_retries == IBMVFC_MAX_HOST_INIT_RETRIES)
__ibmvfc_reset_host(vhost);
else
ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT);
@@ -2756,7 +2757,7 @@ static void ibmvfc_init_tgt(struct ibmvfc_target *tgt,
static void ibmvfc_retry_tgt_init(struct ibmvfc_target *tgt,
void (*job_step) (struct ibmvfc_target *))
{
- if (++tgt->init_retries > IBMVFC_MAX_INIT_RETRIES) {
+ if (++tgt->init_retries > IBMVFC_MAX_TGT_INIT_RETRIES) {
ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT);
wake_up(&tgt->vhost->work_wait_q);
} else
@@ -3613,7 +3614,13 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost)
break;
case IBMVFC_HOST_ACTION_INIT:
BUG_ON(vhost->state != IBMVFC_INITIALIZING);
- vhost->job_step(vhost);
+ if (vhost->delay_init) {
+ vhost->delay_init = 0;
+ spin_unlock_irqrestore(vhost->host->host_lock, flags);
+ ssleep(5);
+ return;
+ } else
+ vhost->job_step(vhost);
break;
case IBMVFC_HOST_ACTION_QUERY:
list_for_each_entry(tgt, &vhost->targets, queue)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index d6bae941c566..cf02216dc8db 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -43,7 +43,8 @@
#define IBMVFC_MAX_DISC_THREADS 4
#define IBMVFC_TGT_MEMPOOL_SZ 64
#define IBMVFC_MAX_CMDS_PER_LUN 64
-#define IBMVFC_MAX_INIT_RETRIES 3
+#define IBMVFC_MAX_HOST_INIT_RETRIES 6
+#define IBMVFC_MAX_TGT_INIT_RETRIES 3
#define IBMVFC_DEV_LOSS_TMO (5 * 60)
#define IBMVFC_DEFAULT_LOG_LEVEL 2
#define IBMVFC_MAX_CDB_LEN 16
@@ -673,6 +674,7 @@ struct ibmvfc_host {
int discovery_threads;
int client_migrated;
int reinit;
+ int delay_init;
int events_to_log;
#define IBMVFC_AE_LINKUP 0x0001
#define IBMVFC_AE_LINKDOWN 0x0002