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-rw-r--r--hw/scsi/scsi-disk.c19
-rw-r--r--hw/virtio/vhost-user.c5
2 files changed, 21 insertions, 3 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index e859534eaf..90841ad791 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -461,6 +461,25 @@ static bool scsi_handle_rw_error(SCSIDiskReq *r, int error, bool acct_failed)
             }
             error = scsi_sense_buf_to_errno(r->req.sense, sizeof(r->req.sense));
             break;
+#ifdef CONFIG_LINUX
+            /* These errno mapping are specific to Linux.  For more information:
+             * - scsi_decide_disposition in drivers/scsi/scsi_error.c
+             * - scsi_result_to_blk_status in drivers/scsi/scsi_lib.c
+             * - blk_errors[] in block/blk-core.c
+             */
+        case EBADE:
+            /* DID_NEXUS_FAILURE -> BLK_STS_NEXUS.  */
+            scsi_req_complete(&r->req, RESERVATION_CONFLICT);
+            break;
+        case ENODATA:
+            /* DID_MEDIUM_ERROR -> BLK_STS_MEDIUM.  */
+            scsi_check_condition(r, SENSE_CODE(READ_ERROR));
+            break;
+        case EREMOTEIO:
+            /* DID_TARGET_FAILURE -> BLK_STS_TARGET.  */
+            scsi_req_complete(&r->req, HARDWARE_ERROR);
+            break;
+#endif
         case ENOMEDIUM:
             scsi_check_condition(r, SENSE_CODE(NO_MEDIUM));
             break;
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 9c5b4f7fbc..2fdd5daf74 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -149,7 +149,7 @@ typedef struct VhostUserMemory {
 } VhostUserMemory;
 
 typedef struct VhostUserMemRegMsg {
-    uint32_t padding;
+    uint64_t padding;
     VhostUserMemoryRegion region;
 } VhostUserMemRegMsg;
 
@@ -800,8 +800,7 @@ static int vhost_user_add_remove_regions(struct vhost_dev *dev,
     uint64_t shadow_pcb[VHOST_USER_MAX_RAM_SLOTS] = {};
     int nr_add_reg, nr_rem_reg;
 
-    msg->hdr.size = sizeof(msg->payload.mem_reg.padding) +
-        sizeof(VhostUserMemoryRegion);
+    msg->hdr.size = sizeof(msg->payload.mem_reg);
 
     /* Find the regions which need to be removed or added. */
     scrub_shadow_regions(dev, add_reg, &nr_add_reg, rem_reg, &nr_rem_reg,