virtio_cwrite_le
virtio_cwrite_le(vgdev->vdev, struct virtio_gpu_config,
virtio_cwrite_le(vb->vdev, struct virtio_balloon_config,
virtio_cwrite_le(vb->vdev, struct virtio_balloon_config, actual,
virtio_cwrite_le(vi->vdev, struct virtio_input_config, select, &select);
virtio_cwrite_le(vi->vdev, struct virtio_input_config, subsel, &subsel);