qemu/qapi/machine.json

1125 # @balloon:
1127 # Request the balloon driver to change its balloon size.
1130 #     the size of the balloon using this formula:
1137 #     - If the balloon driver is enabled but not functional because
1139 #     - If no balloon device is present, DeviceNotActive
1142 #    returns, the balloon size may not have changed.  A guest can
1143 #    change the balloon size independent of this command.
1157 { 'command': 'balloon', 'data': {'value': 'int'} }
1162 # Information about the guest balloon device.
1172 # @query-balloon:
1174 # Return information about the balloon device.
1180 #     - If the balloon driver is enabled but not functional because
1182 #     - If no balloon device is present, DeviceNotActive
1194 { 'command': 'query-balloon', 'returns': 'BalloonInfo' }
1200 # is equivalent to the @actual field return by the 'query-balloon'
1222 # hv-balloon guest-provided memory status information.
1237 # @query-hv-balloon-status-report:
1239 # Returns the hv-balloon driver data contained in the last received
1246 #     - If no hv-balloon device is present, guest memory status
1261 { 'command': 'query-hv-balloon-status-report', 'returns': 'HvBalloonInfo' }
1266 # Emitted when the hv-balloon driver receives a "STATUS" message from
1437 # hv-balloon provided memory state information
1468 # @hv-balloon: since 8.2.
1474             'hv-balloon' ] }
1519 # @data: hv-balloon provided memory state information
1543             'hv-balloon': 'HvBalloonDeviceInfoWrapper'