void *opaque);
/* Base devices. */
-VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf);
+VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
+ char **serial);
struct virtio_net_conf;
VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf,
struct virtio_net_conf *net);