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-rw-r--r--qapi/block-core.json7
1 files changed, 6 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index cfb37f8c1d..0fc1590c1b 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1316,6 +1316,10 @@
 # @speed: the maximum speed, in bytes per second. The default is 0,
 #         for unlimited.
 #
+# @bitmap: the name of dirty bitmap if sync is "incremental".
+#          Must be present if sync is "incremental", must NOT be present
+#          otherwise. (Since 3.1)
+#
 # @compress: true to compress data, if the target format supports it.
 #            (default: false) (since 2.8)
 #
@@ -1348,7 +1352,8 @@
 ##
 { 'struct': 'BlockdevBackup',
   'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
-            'sync': 'MirrorSyncMode', '*speed': 'int', '*compress': 'bool',
+            'sync': 'MirrorSyncMode', '*speed': 'int',
+            '*bitmap': 'str', '*compress': 'bool',
             '*on-source-error': 'BlockdevOnError',
             '*on-target-error': 'BlockdevOnError',
             '*auto-finalize': 'bool', '*auto-dismiss': 'bool' } }