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[Qemu-devel] [PATCH 37/55] ide/atapi: Preserve tray state on migration
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH 37/55] ide/atapi: Preserve tray state on migration |
Date: |
Wed, 20 Jul 2011 18:24:11 +0200 |
Use a subsection, so that migration to older version still works,
provided the tray is closed and unlocked.
Signed-off-by: Markus Armbruster <address@hidden>
---
hw/ide/core.c | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 709645e..90ad497 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2042,6 +2042,22 @@ 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;
@@ -2069,6 +2085,19 @@ 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,
@@ -2123,6 +2152,9 @@ 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,
}, {
--
1.7.2.3
- Re: [Qemu-devel] [PATCH 49/55] block: Declare qemu_blockalign() in block.h, not block_int.h, (continued)
[Qemu-devel] [PATCH 50/55] block: New bdrv_set_buffer_alignment(), Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 52/55] block: Move BlockDriverAIOCB & friends from block_int.h to block.h, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 38/55] scsi-disk: Preserve tray state on migration, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 51/55] block: Reset buffer alignment on detach, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 37/55] ide/atapi: Preserve tray state on migration,
Markus Armbruster <=
[Qemu-devel] [PATCH 41/55] fdc: Make media change detection more robust, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 30/55] block: Rename bdrv_set_locked() to bdrv_lock_medium(), Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 42/55] block: Clean up bdrv_flush_all(), Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 35/55] scsi-disk: Avoid physical/virtual tray state mismatch, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 45/55] block: Clean up remaining users of "removable", Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 54/55] block: New change_media_cb() parameter load, Markus Armbruster, 2011/07/20