Function rte_vhost_get_vhost_vring

dpdk/lib/vhost/vhost.c:984–1018

}

int
rte_vhost_get_vhost_vring(int vid, uint16_t vring_idx,
			  struct rte_vhost_vring *vring)
{
	struct virtio_net *dev;
	struct vhost_virtqueue *vq;

	dev = get_device(vid);
	if (dev == NULL || vring == NULL)
		return -1;

	if (vring_idx >= VHOST_MAX_VRING)
		return -1;

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

	if (vq_is_packed(dev)) {
		vring->desc_packed = vq->desc_packed;
		vring->driver_event = vq->driver_event;
		vring->device_event = vq->device_event;
	} else {
		vring->desc = vq->desc;
		vring->avail = vq->avail;
		vring->used = vq->used;
	}
	vring->log_guest_addr  = vq->log_guest_addr;

	vring->callfd  = vq->callfd;
	vring->kickfd  = vq->kickfd;
	vring->size    = vq->size;

	return 0;
}

int
rte_vhost_get_vhost_ring_inflight(int vid, uint16_t vring_idx,