vhost: fix async callback return type

[dpdk.git] / lib / librte_vhost / rte_vhost_async.h

diff --git a/lib/librte_vhost/rte_vhost_async.h b/lib/librte_vhost/rte_vhost_async.h
index c8ad8db..cb62845 100644 (file)
--- a/lib/librte_vhost/rte_vhost_async.h
+++ b/lib/librte_vhost/rte_vhost_async.h
@@ -59,9 +59,9 @@ struct rte_vhost_async_channel_ops {
         * @param count
         *  number of elements in the "descs" array
         * @return
-        *  -1 on failure, number of descs processed on success
+        *  number of descs processed
         */
-       int (*transfer_data)(int vid, uint16_t queue_id,
+       uint32_t (*transfer_data)(int vid, uint16_t queue_id,
                struct rte_vhost_async_desc *descs,
                struct rte_vhost_async_status *opaque_data,
                uint16_t count);
@@ -70,15 +70,15 @@ struct rte_vhost_async_channel_ops {
         * @param vid
         *  id of vhost device to check copy completion
         * @param queue_id
-        *  queue id to check copyp completion
+        *  queue id to check copy completion
         * @param opaque_data
         *  buffer to receive the opaque data pair from DMA engine
         * @param max_packets
         *  max number of packets could be completed
         * @return
-        *  -1 on failure, number of iov segments completed on success
+        *  number of iov segments completed
         */
-       int (*check_completed_copies)(int vid, uint16_t queue_id,
+       uint32_t (*check_completed_copies)(int vid, uint16_t queue_id,
                struct rte_vhost_async_status *opaque_data,
                uint16_t max_packets);
 };