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migration: wire up support for snapshot device selection

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Modify load_snapshot/save_snapshot to accept the device list and vmstate
node name parameters previously added to the block layer.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210204124834.774401-9-berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-02-04 12:48:30 +00:00 • committed by Dr. David Alan Gilbert
parent f781f84189
commit f1a9fcdd01
6 changed files with 43 additions and 21 deletions
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18
include/migration/snapshot.h
View file

@ -15,23 +15,37 @@
#ifndef QEMU_MIGRATION_SNAPSHOT_H
#define QEMU_MIGRATION_SNAPSHOT_H
#include "qapi/qapi-builtin-types.h"
/**
* save_snapshot: Save an internal snapshot.
* @name: name of internal snapshot
* @overwrite: replace existing snapshot with @name
* @vmstate: blockdev node name to store VM state in
* @has_devices: whether to use explicit device list
* @devices: explicit device list to snapshot
* @errp: pointer to error object
* On success, return %true.
* On failure, store an error through @errp and return %false.
*/
bool save_snapshot(const char *name, bool overwrite, Error **errp);
bool save_snapshot(const char *name, bool overwrite,
const char *vmstate,
bool has_devices, strList *devices,
Error **errp);
/**
* load_snapshot: Load an internal snapshot.
* @name: name of internal snapshot
* @vmstate: blockdev node name to load VM state from
* @has_devices: whether to use explicit device list
* @devices: explicit device list to snapshot
* @errp: pointer to error object
* On success, return %true.
* On failure, store an error through @errp and return %false.
*/
bool load_snapshot(const char *name, Error **errp);
bool load_snapshot(const char *name,
const char *vmstate,
bool has_devices, strList *devices,
Error **errp);
#endif