return 0;
}
+void
+vring_invalidate(struct virtio_net *dev, struct vhost_virtqueue *vq)
+{
+ if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))
+ vhost_user_iotlb_wr_lock(vq);
+
+ vq->access_ok = 0;
+ vq->desc = NULL;
+ vq->avail = NULL;
+ vq->used = NULL;
+
+ if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))
+ vhost_user_iotlb_wr_unlock(vq);
+}
+
static void
init_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
{