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path: root/drivers/scsi/ibmvscsi/rpa_vscsi.c
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Diffstat (limited to 'drivers/scsi/ibmvscsi/rpa_vscsi.c')
-rw-r--r--drivers/scsi/ibmvscsi/rpa_vscsi.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 75db2f5c545e..f47dd87c05e7 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -281,6 +281,28 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
}
/**
+ * reenable_crq_queue: - reenables a crq after
+ * @queue: crq_queue to initialize and register
+ * @hostdata: ibmvscsi_host_data of host
+ *
+ */
+int ibmvscsi_reenable_crq_queue(struct crq_queue *queue,
+ struct ibmvscsi_host_data *hostdata)
+{
+ int rc;
+ struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+
+ /* Re-enable the CRQ */
+ do {
+ rc = plpar_hcall_norets(H_ENABLE_CRQ, vdev->unit_address);
+ } while ((rc == H_InProgress) || (rc == H_Busy) || (H_isLongBusy(rc)));
+
+ if (rc)
+ printk(KERN_ERR "ibmvscsi: Error %d enabling adapter\n", rc);
+ return rc;
+}
+
+/**
* reset_crq_queue: - resets a crq after a failure
* @queue: crq_queue to initialize and register
* @hostdata: ibmvscsi_host_data of host