From db118fe725b92a8271ff7d17f1d932104965bdb0 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Tue, 6 Sep 2011 18:58:50 +0200 Subject: [PATCH] ide/atapi: Preserve tray state on migration Use a subsection, so that migration to older version still works, provided the tray is closed and unlocked. Signed-off-by: Markus Armbruster Signed-off-by: Kevin Wolf --- hw/ide/core.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/hw/ide/core.c b/hw/ide/core.c index 0403ad2..18d3c62 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -2058,6 +2058,22 @@ static bool ide_drive_pio_state_needed(void *opaque) || (s->bus->error_status & BM_STATUS_PIO_RETRY); } +static int ide_tray_state_post_load(void *opaque, int version_id) +{ + IDEState *s = opaque; + + bdrv_eject(s->bs, s->tray_open); + bdrv_lock_medium(s->bs, s->tray_locked); + return 0; +} + +static bool ide_tray_state_needed(void *opaque) +{ + IDEState *s = opaque; + + return s->tray_open || s->tray_locked; +} + static bool ide_atapi_gesn_needed(void *opaque) { IDEState *s = opaque; @@ -2085,6 +2101,19 @@ static const VMStateDescription vmstate_ide_atapi_gesn_state = { } }; +static const VMStateDescription vmstate_ide_tray_state = { + .name = "ide_drive/tray_state", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .post_load = ide_tray_state_post_load, + .fields = (VMStateField[]) { + VMSTATE_BOOL(tray_open, IDEState), + VMSTATE_BOOL(tray_locked, IDEState), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_ide_drive_pio_state = { .name = "ide_drive/pio_state", .version_id = 1, @@ -2139,6 +2168,9 @@ const VMStateDescription vmstate_ide_drive = { .vmsd = &vmstate_ide_drive_pio_state, .needed = ide_drive_pio_state_needed, }, { + .vmsd = &vmstate_ide_tray_state, + .needed = ide_tray_state_needed, + }, { .vmsd = &vmstate_ide_atapi_gesn_state, .needed = ide_atapi_gesn_needed, }, { -- 2.7.4