[Qemu-devel] [PATCH 2/5] qmp: create qmp_savevm command

["Denis V. Lunev" <den@openvz.org>]

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Juan Quintela <quintela@redhat.com>
CC: Amit Shah <amit.shah@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
CC: Eric Blake <eblake@redhat.com>
---
 migration/savevm.c |  5 +++++
 qapi-schema.json   | 13 +++++++++++++
 qmp-commands.hx    | 25 +++++++++++++++++++++++++
 3 files changed, 43 insertions(+)

diff --git a/migration/savevm.c b/migration/savevm.c
index f83ffd0..565b10a 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2010,6 +2010,11 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
     }
 }
 
+void qmp_savevm(bool has_name, const char *name, Error **errp)
+{
+    do_savevm(has_name ? name : NULL, errp);
+}
+
 void qmp_xen_save_devices_state(const char *filename, Error **errp)
 {
     QEMUFile *f;
diff --git a/qapi-schema.json b/qapi-schema.json
index b65905f..8cc8b44 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3962,3 +3962,16 @@
 ##
 { 'enum': 'ReplayMode',
   'data': [ 'none', 'record', 'play' ] }
+
+##
+# @savevm
+#
+# Save a VM snapshot. Without a name new snapshot is created",
+#
+# @name: identifier of a snapshot to be created
+#
+# Returns: Nothing on success
+#
+# Since 2.6
+##
+{ 'command': 'savevm', 'data': {'*name': 'str'} }
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 9d8b42f..cd895f6 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -4739,3 +4739,28 @@ Example:
                  {"type": 0, "out-pport": 0, "pport": 0, "vlan-id": 3840,
                   "pop-vlan": 1, "id": 251658240}
    ]}
+
+EQMP
+
+SQMP
+savevm
+------------------
+
+Save a VM snapshot. If no tag or id are provided, a new snapshot is created
+
+Arguments:
+
+- "name": (optional) snapshot name
+
+Example:
+
+-> { "execute": "savevm", "arguments": { "name": "snapshot1" } }
+<- { "return": {} }
+
+EQMP
+
+    {
+        .name       = "savevm",
+        .args_type  = "name:s?",
+        .mhandler.cmd_new = qmp_marshal_savevm,
+    },
-- 
2.5.0