net/octeontx/base: add base PKI operations

[dpdk.git] / doc / guides / prog_guide / vhost_lib.rst

diff --git a/doc/guides/prog_guide/vhost_lib.rst b/doc/guides/prog_guide/vhost_lib.rst
index 88f0591..d02e3cf 100644 (file)
--- a/doc/guides/prog_guide/vhost_lib.rst
+++ b/doc/guides/prog_guide/vhost_lib.rst
@@ -116,12 +116,6 @@ The following is an overview of some key Vhost API functions:
   vhost-user driver could be vhost-user net, yet it could be something else,
   say, vhost-user SCSI.
 
-* ``rte_vhost_driver_session_start()``
-
-  This function starts the vhost session loop to handle vhost messages. It
-  starts an infinite loop, therefore it should be called in a dedicated
-  thread.
-
 * ``rte_vhost_driver_callback_register(path, vhost_device_ops)``
 
   This function registers a set of callbacks, to let DPDK applications take
@@ -135,21 +129,30 @@ The following is an overview of some key Vhost API functions:
 
   * ``destroy_device(int vid)``
 
-    This callback is invoked when a virtio device shuts down (or when the
-    vhost connection is broken).
+    This callback is invoked when a virtio device is paused or shut down.
 
   * ``vring_state_changed(int vid, uint16_t queue_id, int enable)``
 
     This callback is invoked when a specific queue's state is changed, for
     example to enabled or disabled.
 
-* ``rte_vhost_enqueue_burst(vid, queue_id, pkts, count)``
+  * ``features_changed(int vid, uint64_t features)``
 
-  Transmits (enqueues) ``count`` packets from host to guest.
+    This callback is invoked when the features is changed. For example,
+    ``VHOST_F_LOG_ALL`` will be set/cleared at the start/end of live
+    migration, respectively.
 
-* ``rte_vhost_dequeue_burst(vid, queue_id, mbuf_pool, pkts, count)``
+  * ``new_connection(int vid)``
 
-  Receives (dequeues) ``count`` packets from guest, and stored them at ``pkts``.
+    This callback is invoked on new vhost-user socket connection. If DPDK
+    acts as the server the device should not be deleted before
+    ``destroy_connection`` callback is received.
+
+  * ``destroy_connection(int vid)``
+
+    This callback is invoked when vhost-user socket connection is closed.
+    It indicates that device with id ``vid`` is no longer in use and can be
+    safely deleted.
 
 * ``rte_vhost_driver_disable/enable_features(path, features))``
 
@@ -157,6 +160,18 @@ The following is an overview of some key Vhost API functions:
   disable mergeable buffers and TSO features, which both are enabled by
   default.
 
+* ``rte_vhost_driver_start(path)``
+
+  This function triggers the vhost-user negotiation. It should be invoked at
+  the end of initializing a vhost-user driver.
+
+* ``rte_vhost_enqueue_burst(vid, queue_id, pkts, count)``
+
+  Transmits (enqueues) ``count`` packets from host to guest.
+
+* ``rte_vhost_dequeue_burst(vid, queue_id, mbuf_pool, pkts, count)``
+
+  Receives (dequeues) ``count`` packets from guest, and stored them at ``pkts``.
 
 Vhost-user Implementations
 --------------------------