virtio_negotiate_features
sc->vtballoon_features = virtio_negotiate_features(dev, features);
sc->vtblk_features = virtio_negotiate_features(dev, features);
sc->vtcon_features = virtio_negotiate_features(dev, features);
sc->vtgpu_features = virtio_negotiate_features(dev, features);
negotiated_features = virtio_negotiate_features(dev, features);
virtio_negotiate_features(dev, features);
virtio_negotiate_features(dev, features);
virtio_negotiate_features(dev, features);
virtio_negotiate_features(dev, VIRTIO_9PNET_F_MOUNT_TAG);
sc->vtrnd_features = virtio_negotiate_features(dev, features);
sc->vtscmi_features = virtio_negotiate_features(dev, features);
sc->vtscsi_features = virtio_negotiate_features(dev, features);
uint64_t virtio_negotiate_features(device_t dev, uint64_t child_features);