scsi: report unit attention on reset

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/scsi-bus.c

@@ -1099,7 +1099,7 @@ void scsi_req_abort(SCSIRequest *req, int status)
     scsi_req_complete(req, status);
 }
 
-void scsi_device_purge_requests(SCSIDevice *sdev)
+void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense)
 {
     SCSIRequest *req;
 
@@ -1107,6 +1107,7 @@ void scsi_device_purge_requests(SCSIDevice *sdev)
         req = QTAILQ_FIRST(&sdev->requests);
         scsi_req_cancel(req);
     }
+    sdev->unit_attention = sense;
 }
 
 static char *scsibus_get_fw_dev_path(DeviceState *dev)

hw/scsi-disk.c

@@ -1087,7 +1087,7 @@ static void scsi_disk_reset(DeviceState *dev)
     SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev.qdev, dev);
     uint64_t nb_sectors;
 
-    scsi_device_purge_requests(&s->qdev);
+    scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET));
 
     bdrv_get_geometry(s->bs, &nb_sectors);
     nb_sectors /= s->cluster_size;
@@ -1101,7 +1101,7 @@ static void scsi_destroy(SCSIDevice *dev)
 {
     SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
 
-    scsi_device_purge_requests(&s->qdev);
+    scsi_device_purge_requests(&s->qdev, SENSE_CODE(NO_SENSE));
     blockdev_mark_auto_del(s->qdev.conf.bs);
 }
 

hw/scsi-generic.c

@@ -381,14 +381,14 @@ static void scsi_generic_reset(DeviceState *dev)
 {
     SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev.qdev, dev);
 
-    scsi_device_purge_requests(&s->qdev);
+    scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET));
 }
 
 static void scsi_destroy(SCSIDevice *d)
 {
     SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, d);
 
-    scsi_device_purge_requests(&s->qdev);
+    scsi_device_purge_requests(&s->qdev, SENSE_CODE(NO_SENSE));
     blockdev_mark_auto_del(s->qdev.conf.bs);
 }
 

hw/scsi.h

@@ -187,7 +187,7 @@ uint8_t *scsi_req_get_buf(SCSIRequest *req);
 int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len);
 void scsi_req_abort(SCSIRequest *req, int status);
 void scsi_req_cancel(SCSIRequest *req);
-void scsi_device_purge_requests(SCSIDevice *sdev);
+void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense);
 int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
 
 #endif