__rte_experimental
int rte_vhost_async_channel_unregister(int vid, uint16_t queue_id);
+/**
+ * This function submit enqueue data to async engine. This function has
+ * no guranttee to the transfer completion upon return. Applications
+ * should poll transfer status by rte_vhost_poll_enqueue_completed()
+ *
+ * @param vid
+ * id of vhost device to enqueue data
+ * @param queue_id
+ * queue id to enqueue data
+ * @param pkts
+ * array of packets to be enqueued
+ * @param count
+ * packets num to be enqueued
+ * @return
+ * num of packets enqueued
+ */
+__rte_experimental
+uint16_t rte_vhost_submit_enqueue_burst(int vid, uint16_t queue_id,
+ struct rte_mbuf **pkts, uint16_t count);
+
+/**
+ * This function check async completion status for a specific vhost
+ * device queue. Packets which finish copying (enqueue) operation
+ * will be returned in an array.
+ *
+ * @param vid
+ * id of vhost device to enqueue data
+ * @param queue_id
+ * queue id to enqueue data
+ * @param pkts
+ * blank array to get return packet pointer
+ * @param count
+ * size of the packet array
+ * @return
+ * num of packets returned
+ */
+__rte_experimental
+uint16_t rte_vhost_poll_enqueue_completed(int vid, uint16_t queue_id,
+ struct rte_mbuf **pkts, uint16_t count);
+
#endif /* _RTE_VHOST_ASYNC_H_ */