diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.h | 2 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/iseries_vscsi.c | 3 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/rpa_vscsi.c | 8 |
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h index 8bec043..5b0edd1 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 1045872..ce15d9e 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 8bf5652..75db2f5 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; } |