Function vduse_vring_cleanup

dpdk/lib/vhost/vduse.c:242–280

}

static void
vduse_vring_cleanup(struct virtio_net *dev, unsigned int index)
{
	struct vhost_virtqueue *vq = dev->virtqueue[index];
	struct vduse_vq_eventfd vq_efd;
	int ret;

	if (vq == dev->cvq && vq->kickfd >= 0) {
		fdset_del(&vduse.fdset, vq->kickfd);
		fdset_pipe_notify(&vduse.fdset);
	}

	vq_efd.index = index;
	vq_efd.fd = VDUSE_EVENTFD_DEASSIGN;

	ret = ioctl(dev->vduse_dev_fd, VDUSE_VQ_SETUP_KICKFD, &vq_efd);
	if (ret)
		VHOST_LOG_CONFIG(dev->ifname, ERR, "Failed to cleanup kickfd for VQ %u: %s\n",
				index, strerror(errno));

	close(vq->kickfd);
	vq->kickfd = VIRTIO_UNINITIALIZED_EVENTFD;

	rte_rwlock_write_lock(&vq->access_lock);
	vring_invalidate(dev, vq);
	rte_rwlock_write_unlock(&vq->access_lock);

	rte_free(vq->batch_copy_elems);
	vq->batch_copy_elems = NULL;

	rte_free(vq->shadow_used_split);
	vq->shadow_used_split = NULL;

	vq->enabled = false;
	vq->ready = false;
	vq->size = 0;
	vq->last_used_idx = 0;
	vq->last_avail_idx = 0;
}

static void
vduse_device_start(struct virtio_net *dev)