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-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.h2
-rw-r--r--drivers/scsi/ibmvscsi/iseries_vscsi.c3
-rw-r--r--drivers/scsi/ibmvscsi/rpa_vscsi.c8
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 8bec0438dc8..5b0edd1f192 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -100,7 +100,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
void ibmvscsi_release_crq_queue(struct crq_queue *queue,
struct ibmvscsi_host_data *hostdata,
int max_requests);
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
struct ibmvscsi_host_data *hostdata);
void ibmvscsi_handle_crq(struct viosrp_crq *crq,
diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c
index 1045872b017..ce15d9e3962 100644
--- a/drivers/scsi/ibmvscsi/iseries_vscsi.c
+++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c
@@ -117,9 +117,10 @@ void ibmvscsi_release_crq_queue(struct crq_queue *queue,
*
* no-op for iSeries
*/
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
struct ibmvscsi_host_data *hostdata)
{
+ return 0;
}
/**
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 8bf5652f106..75db2f5c545 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -230,6 +230,11 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
rc = plpar_hcall_norets(H_REG_CRQ,
vdev->unit_address,
queue->msg_token, PAGE_SIZE);
+ if (rc == H_Resource)
+ /* maybe kexecing and resource is busy. try a reset */
+ rc = ibmvscsi_reset_crq_queue(queue,
+ hostdata);
+
if (rc == 2) {
/* Adapter is good, but other end is not ready */
printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
@@ -281,7 +286,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
* @hostdata: ibmvscsi_host_data of host
*
*/
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
struct ibmvscsi_host_data *hostdata)
{
int rc;
@@ -309,4 +314,5 @@ void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
printk(KERN_WARNING
"ibmvscsi: couldn't register crq--rc 0x%x\n", rc);
}
+ return rc;
}