void vhost_user_iotlb_cache_remove(struct vhost_virtqueue *vq,
uint64_t iova, uint64_t size);
uint64_t vhost_user_iotlb_cache_find(struct vhost_virtqueue *vq, uint64_t iova,
uint64_t *size, uint8_t perm);
bool vhost_user_iotlb_pending_miss(struct vhost_virtqueue *vq, uint64_t iova,
uint8_t perm);
void vhost_user_iotlb_cache_remove(struct vhost_virtqueue *vq,
uint64_t iova, uint64_t size);
uint64_t vhost_user_iotlb_cache_find(struct vhost_virtqueue *vq, uint64_t iova,
uint64_t *size, uint8_t perm);
bool vhost_user_iotlb_pending_miss(struct vhost_virtqueue *vq, uint64_t iova,
uint8_t perm);