+static void storvsc_handle_error(struct vmscsi_request *vm_srb,
+ struct scsi_cmnd *scmnd,
+ struct Scsi_Host *host,
+ u8 asc, u8 ascq)
+{
+ struct storvsc_scan_work *wrk;
+ void (*process_err_fn)(struct work_struct *work);
+ bool do_work = false;
+
+ switch (vm_srb->srb_status) {
+ case SRB_STATUS_ERROR:
+ /*
+ * If there is an error; offline the device since all
+ * error recovery strategies would have already been
+ * deployed on the host side. However, if the command
+ * were a pass-through command deal with it appropriately.
+ */
+ switch (scmnd->cmnd[0]) {
+ case ATA_16:
+ case ATA_12:
+ set_host_byte(scmnd, DID_PASSTHROUGH);
+ break;
+ default:
+ set_host_byte(scmnd, DID_TARGET_FAILURE);
+ }
+ break;
+ case SRB_STATUS_INVALID_LUN:
+ do_work = true;
+ process_err_fn = storvsc_remove_lun;
+ break;
+ case (SRB_STATUS_ABORTED | SRB_STATUS_AUTOSENSE_VALID):
+ if ((asc == 0x2a) && (ascq == 0x9)) {
+ do_work = true;
+ process_err_fn = storvsc_device_scan;
+ /*
+ * Retry the I/O that trigerred this.
+ */
+ set_host_byte(scmnd, DID_REQUEUE);
+ }
+ break;
+ }
+
+ if (!do_work)
+ return;
+
+ /*
+ * We need to schedule work to process this error; schedule it.
+ */
+ wrk = kmalloc(sizeof(struct storvsc_scan_work), GFP_ATOMIC);
+ if (!wrk) {
+ set_host_byte(scmnd, DID_TARGET_FAILURE);
+ return;
+ }
+
+ wrk->host = host;
+ wrk->lun = vm_srb->lun;
+ INIT_WORK(&wrk->work, process_err_fn);
+ schedule_work(&wrk->work);
+}
+