From patchwork Wed Sep 30 03:08:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang, Cheng1" X-Patchwork-Id: 79236 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id CAEBBA04B1; Wed, 30 Sep 2020 05:20:57 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8F3921DAD3; Wed, 30 Sep 2020 05:20:14 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id A78F31DA70 for ; Wed, 30 Sep 2020 05:20:07 +0200 (CEST) IronPort-SDR: iK/iKweM4vuKJXs+P9i5fbiSg3pLo7NMYmfTNcw3LsEWVNqaaK7zSeZuJnKO5lN73cspbBEU5+ ul5mA3LlTzvg== X-IronPort-AV: E=McAfee;i="6000,8403,9759"; a="142359343" X-IronPort-AV: E=Sophos;i="5.77,320,1596524400"; d="scan'208";a="142359343" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Sep 2020 20:20:07 -0700 IronPort-SDR: FGuNWwKiA7l1ijCbGgkJabFFeg3ohhehFxlIv5yAPGHRoLeBTya8djyXN3NXGacP/Nn32esGKh utV3hrJ8FZNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,320,1596524400"; d="scan'208";a="308010191" Received: from dpdk_jiangcheng.sh.intel.com ([10.67.119.112]) by orsmga003.jf.intel.com with ESMTP; 29 Sep 2020 20:20:05 -0700 From: Cheng Jiang To: maxime.coquelin@redhat.com, chenbo.xia@intel.com, zhihong.wang@intel.com Cc: dev@dpdk.org, patrick.fu@intel.com, Cheng Jiang Date: Wed, 30 Sep 2020 03:08:58 +0000 Message-Id: <20200930030859.59989-4-Cheng1.jiang@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200930030859.59989-1-Cheng1.jiang@intel.com> References: <20200929064239.41931-1-Cheng1.jiang@intel.com> <20200930030859.59989-1-Cheng1.jiang@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v3 3/4] doc: update vhost sample doc for vhost async data path X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add vhost async driver arguments information for vhost async data path in vhost sample application. Signed-off-by: Cheng Jiang --- doc/guides/sample_app_ug/vhost.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst index b7ed4f8bd..0f4f70945 100644 --- a/doc/guides/sample_app_ug/vhost.rst +++ b/doc/guides/sample_app_ug/vhost.rst @@ -162,6 +162,17 @@ 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. +**--dma-type** +This parameter is used to specify DMA type for async vhost-user net driver which +demonstrates how to use the async vhost APIs. It's used in combination with dmas. + +**--dmas** +This parameter is used to specify the assigned DMA device of a vhost device. +Async vhost-user net driver will be used if --dmas is set. For example +--dmas [txd0@00:04.0,txd1@00:04.1] means use DMA channel 00:04.0 for vhost +device 0 enqueue operation and use DMA channel 00:04.1 for vhost device 1 +enqueue operation. + Common Issues -------------