From patchwork Fri Oct 16 04:29:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang, Cheng1" X-Patchwork-Id: 81023 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 DDD8FA04DB; Fri, 16 Oct 2020 06:42:36 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 86AC01BF5B; Fri, 16 Oct 2020 06:41:54 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 17BF61E9D0 for ; Fri, 16 Oct 2020 06:41:51 +0200 (CEST) IronPort-SDR: cKkopN05yE9/gDHwB0yx/o9AbgkfB2pVXuVQK9HkdCXz9ZDnYZagn2aKamn2ftfav76FU0JGhT Dc9XgrHn2qHw== X-IronPort-AV: E=McAfee;i="6000,8403,9775"; a="163908350" X-IronPort-AV: E=Sophos;i="5.77,381,1596524400"; d="scan'208";a="163908350" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2020 21:41:51 -0700 IronPort-SDR: IURpOVpuq0Uq8hsQgsVbwjKhkdqJOFoz4Gmb3IGJ3xWvhuQ6HlxxUl5p1XxIFB6G6L0E7njIXG BziQSqbtBbRg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,381,1596524400"; d="scan'208";a="522107492" Received: from dpdk_jiangcheng.sh.intel.com ([10.67.119.112]) by fmsmga005.fm.intel.com with ESMTP; 15 Oct 2020 21:41:48 -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: Fri, 16 Oct 2020 04:29:08 +0000 Message-Id: <20201016042909.27542-4-Cheng1.jiang@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201016042909.27542-1-Cheng1.jiang@intel.com> References: <20201015045428.67373-1-Cheng1.jiang@intel.com> <20201016042909.27542-1-Cheng1.jiang@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v6 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 -------------