Function rte_vhost_driver_enable_features

dpdk/lib/vhost/socket.c:680–701

}

int
rte_vhost_driver_enable_features(const char *path, uint64_t features)
{
	struct vhost_user_socket *vsocket;

	pthread_mutex_lock(&vhost_user.mutex);
	vsocket = find_vhost_user_socket(path);
	if (vsocket) {
		if ((vsocket->supported_features & features) != features) {
			/*
			 * trying to enable features the driver doesn't
			 * support.
			 */
			pthread_mutex_unlock(&vhost_user.mutex);
			return -1;
		}
		vsocket->features |= features;
	}
	pthread_mutex_unlock(&vhost_user.mutex);

	return vsocket ? 0 : -1;
}

int
rte_vhost_driver_set_features(const char *path, uint64_t features)