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[Qemu-devel] [PATCH v2 26/45] ide/atapi: Preserve tray state on migratio
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH v2 26/45] ide/atapi: Preserve tray state on migration |
Date: |
Wed, 3 Aug 2011 15:08:05 +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 cbda0c2..22a2dc7 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2036,6 +2036,22 @@ 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;
@@ -2063,6 +2079,19 @@ 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,
@@ -2117,6 +2146,9 @@ 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,
}, {
--
1.7.6
- [Qemu-devel] [PATCH v2 09/45] ide/atapi: Clean up misleading name in cmd_start_stop_unit(), (continued)
- [Qemu-devel] [PATCH v2 09/45] ide/atapi: Clean up misleading name in cmd_start_stop_unit(), Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 10/45] ide/atapi: Track tray open/close state, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 24/45] scsi-disk: Avoid physical/virtual tray state mismatch, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 33/45] xen: Clean up pci_piix3_xen_ide_unplug()'s test for "not a CD", Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 21/45] ide/atapi: Don't fail eject when tray is already open, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 25/45] ide: Give vmstate structs internal linkage where possible, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 34/45] spitz tosa: Simplify "drive is suitable for microdrive" test, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 42/45] block: Reset buffer alignment on detach, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 22/45] ide/atapi: Avoid physical/virtual tray state mismatch, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 26/45] ide/atapi: Preserve tray state on migration,
Markus Armbruster <=
- [Qemu-devel] [PATCH v2 39/45] hw: Trim superfluous #include "block_int.h", Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 32/45] savevm: Include writable devices with removable media, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 29/45] block: Leave tracking media change to device models, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 20/45] ide: Provide IDEDeviceInfo method exit(), Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 36/45] block: Drop BlockDriverState member removable, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 45/45] ide/atapi scsi-disk: Make monitor eject -f, then change work, Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 41/45] block: New bdrv_set_buffer_alignment(), Markus Armbruster, 2011/08/03
- [Qemu-devel] [PATCH v2 30/45] fdc: Make media change detection more robust, Markus Armbruster, 2011/08/03