5a9cb5a97f
Like for query-block, the client needs to identify which BlockBackend the returned data is for. Anonymous BlockBackends are identified by the device model they are attached to. Add a 'qdev' field that contains the qdev ID or QOM path of the attached device model. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>