Merge remote-tracking branch 'stefanha/trivial-patches' into staging

[qemu.git] / hw / scsi-disk.c

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 4101a59d349d7bfda2f7eb049bcabb4292c0995d..9949786e5204c295c4696b1d1167258f525c614f 100644 (file)
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -291,14 +291,14 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error)
     BlockErrorAction action = bdrv_get_on_error(s->qdev.conf.bs, is_read);
 
     if (action == BLOCK_ERR_IGNORE) {
-        bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_IGNORE, is_read);
+        bdrv_emit_qmp_error_event(s->qdev.conf.bs, BDRV_ACTION_IGNORE, is_read);
         return 0;
     }
 
     if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
             || action == BLOCK_ERR_STOP_ANY) {
 
-        bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_STOP, is_read);
+        bdrv_emit_qmp_error_event(s->qdev.conf.bs, BDRV_ACTION_STOP, is_read);
         vm_stop(RUN_STATE_IO_ERROR);
         bdrv_iostatus_set_err(s->qdev.conf.bs, error);
         scsi_req_retry(&r->req);
@@ -317,7 +317,7 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error)
             scsi_check_condition(r, SENSE_CODE(IO_ERROR));
             break;
         }
-        bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_REPORT, is_read);
+        bdrv_emit_qmp_error_event(s->qdev.conf.bs, BDRV_ACTION_REPORT, is_read);
     }
     return 1;
 }
@@ -471,8 +471,9 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
 
         case 0x83: /* Device identification page, mandatory */
         {
-            int max_len = 255 - 8;
-            int id_len = strlen(bdrv_get_device_name(s->qdev.conf.bs));
+            const char *str = s->serial ?: bdrv_get_device_name(s->qdev.conf.bs);
+            int max_len = s->serial ? 20 : 255 - 8;
+            int id_len = strlen(str);
 
             if (id_len > max_len) {
                 id_len = max_len;
@@ -486,7 +487,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
             outbuf[buflen++] = 0;   // reserved
             outbuf[buflen++] = id_len; // length of data following
 
-            memcpy(outbuf+buflen, bdrv_get_device_name(s->qdev.conf.bs), id_len);
+            memcpy(outbuf+buflen, str, id_len);
             buflen += id_len;
             break;
         }
@@ -1116,8 +1117,11 @@ static int scsi_disk_emulate_start_stop(SCSIDiskReq *r)
                                  : SENSE_CODE(NOT_READY_REMOVAL_PREVENTED));
             return -1;
         }
-        bdrv_eject(s->qdev.conf.bs, !start);
-        s->tray_open = !start;
+
+        if (s->tray_open != !start) {
+            bdrv_eject(s->qdev.conf.bs, !start);
+            s->tray_open = !start;
+        }
     }
     return 0;
 }
@@ -1149,9 +1153,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r)
     outbuf = r->iov.iov_base;
     switch (req->cmd.buf[0]) {
     case TEST_UNIT_READY:
-        if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) {
-            goto not_ready;
-        }
+        assert(!s->tray_open && bdrv_is_inserted(s->qdev.conf.bs));
         break;
     case INQUIRY:
         buflen = scsi_disk_emulate_inquiry(req, outbuf);
@@ -1206,7 +1208,8 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r)
         memset(outbuf, 0, 8);
         bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors);
         if (!nb_sectors) {
-            goto not_ready;
+            scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY));
+            return -1;
         }
         if ((req->cmd.buf[8] & 1) == 0 && req->cmd.lba) {
             goto illegal_request;
@@ -1266,7 +1269,8 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r)
             memset(outbuf, 0, req->cmd.xfer);
             bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors);
             if (!nb_sectors) {
-                goto not_ready;
+                scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY));
+                return -1;
             }
             if ((req->cmd.buf[14] & 1) == 0 && req->cmd.lba) {
                 goto illegal_request;
@@ -1311,14 +1315,6 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r)
     buflen = MIN(buflen, req->cmd.xfer);
     return buflen;
 
-not_ready:
-    if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) {
-        scsi_check_condition(r, SENSE_CODE(NO_MEDIUM));
-    } else {
-        scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY));
-    }
-    return -1;
-
 illegal_request:
     if (r->req.status == -1) {
         scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
@@ -1352,6 +1348,30 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf)
     }
 #endif
 
+    switch (command) {
+    case INQUIRY:
+    case MODE_SENSE:
+    case MODE_SENSE_10:
+    case RESERVE:
+    case RESERVE_10:
+    case RELEASE:
+    case RELEASE_10:
+    case START_STOP:
+    case ALLOW_MEDIUM_REMOVAL:
+    case GET_CONFIGURATION:
+    case GET_EVENT_STATUS_NOTIFICATION:
+    case MECHANISM_STATUS:
+    case REQUEST_SENSE:
+        break;
+
+    default:
+        if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) {
+            scsi_check_condition(r, SENSE_CODE(NO_MEDIUM));
+            return 0;
+        }
+        break;
+    }
+
     switch (command) {
     case TEST_UNIT_READY:
     case INQUIRY: