vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm)
{
	int ret;
	struct VhostUserMsg msg = {
		.request.slave = VHOST_USER_SLAVE_IOTLB_MSG,
		.flags = VHOST_USER_VERSION,
		.size = sizeof(msg.payload.iotlb),
		.payload.iotlb = {
			.iova = iova,
			.perm = perm,
			.type = VHOST_IOTLB_MISS,
		},
	};

	ret = send_vhost_message(dev->slave_req_fd, &msg);
	if (ret < 0) {
		VHOST_LOG_CONFIG(ERR,
				"Failed to send IOTLB miss message (%d)\n",
				ret);
		return ret;
	}

	return 0;
}
Unknown