Function rte_vhost_enable_guest_notification

dpdk/lib/vhost/vhost.c:1500–1531

}

int
rte_vhost_enable_guest_notification(int vid, uint16_t queue_id, int enable)
{
	struct virtio_net *dev = get_device(vid);
	struct vhost_virtqueue *vq;
	int ret;

	if (!dev)
		return -1;

	if (queue_id >= VHOST_MAX_VRING)
		return -1;

	vq = dev->virtqueue[queue_id];
	if (!vq)
		return -1;

	rte_rwlock_write_lock(&vq->access_lock);

	if (unlikely(!vq->access_ok)) {
		ret = -1;
		goto out_unlock;
	}

	vq->notif_enable = enable;
	ret = vhost_enable_guest_notification(dev, vq, enable);

out_unlock:
	rte_rwlock_write_unlock(&vq->access_lock);

	return ret;
}

void
rte_vhost_notify_guest(int vid, uint16_t queue_id)