[dpdk-dev] [PATCH v1 3/4] doc: update vhost sample doc for vhost async data path

[Cheng Jiang]

Add vhost async driver arguments information for vhost async data
path in vhost sample application.

Signed-off-by: Cheng Jiang <Cheng1.jiang at intel.com>
---
 doc/guides/sample_app_ug/vhost.rst | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst
index b7ed4f8bd..c8b5c7c9a 100644
--- a/doc/guides/sample_app_ug/vhost.rst
+++ b/doc/guides/sample_app_ug/vhost.rst
@@ -162,6 +162,16 @@ enabled and cannot be disabled.
 A very simple vhost-user net driver which demonstrates how to use the generic
 vhost APIs will be used when this option is given. It is disabled by default.
 
+**--async_vhost_driver**
+Async vhost-user net driver which demonstrates how to use the async vhost APIs
+will be used when this option is given. It is disabled by default.
+
+**--dmas**
+This parameter is used to specify the assigned DMA device of a vhost device.
+For example --dmas [txd0 at 00:04.0,txd1 at 00:04.1] means use CBDMA channel 00:04.0
+for vhost device 0 enqueue operation and use CBDMA channel 00:04.1 for vhost
+device 1 enqueue operation.
+
 Common Issues
 -------------
 
-- 
2.27.0