Tray statuses should be also reset. Some guests may lock the tray and
right after resetting the guest it should be unlocked and closed. This
is done on power-on, reset and resume from suspend/hibernate on bare-metal.

This fix is already committed for IDE CD.
Check the commit a7f3d65b65b8c86a5ff0c0abcfefb45e2ec6fe4c.

Test results on bare-metal:
  - on reset/power-on the CD-ROM tray is closed even before the monitor
    is turned on
  - on resume from suspend/hibernate the tray is also closed before
    the monitor is turned on

>From test results it seems that this behavior is OS and probably BIOS
independent.

Signed-off-by: Pavel Hrdina <phrd...@redhat.com>
---
 hw/scsi/scsi-disk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index c8d2a99..02733dc 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -1984,6 +1984,9 @@ static void scsi_disk_reset(DeviceState *dev)
         nb_sectors--;
     }
     s->qdev.max_lba = nb_sectors;
+    /* reset tray statuses */
+    s->tray_locked = 0;
+    s->tray_open = 0;
 }
 
 static void scsi_destroy(SCSIDevice *dev)
-- 
1.8.1.4


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