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scsi: reset cdrom tray statuses on scsi_disk_reset

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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.

Cc: qemu-stable@nongnu.org
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Pavel Hrdina 2013-05-20 13:06:47 +02:00 committed by Paolo Bonzini
parent afd59989db
commit 7721c7f7c2
1 changed files with 3 additions and 0 deletions
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3
hw/scsi/scsi-disk.c
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@ -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)