migration: wire up support for snapshot device selection

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>

1 files changed, 16 insertions, 2 deletions

diff --git a/include/migration/snapshot.h b/include/migration/snapshot.h
index d8c22d343c..3bdbef435b 100644
--- a/include/migration/snapshot.h
+++ b/include/migration/snapshot.h
@@ -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