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{ "id": 80317, "url": "https://patches.dpdk.org/api/covers/80317/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20201012045456.5196-1-Cheng1.jiang@intel.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20201012045456.5196-1-Cheng1.jiang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20201012045456.5196-1-Cheng1.jiang@intel.com", "date": "2020-10-12T04:54:52", "name": "[v4,0/4] add async data path in vhost sample", "submitter": { "id": 1530, "url": "https://patches.dpdk.org/api/people/1530/?format=api", "name": "Jiang, Cheng1", "email": "Cheng1.jiang@intel.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20201012045456.5196-1-Cheng1.jiang@intel.com/mbox/", "series": [ { "id": 12868, "url": "https://patches.dpdk.org/api/series/12868/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=12868", "date": "2020-10-12T04:54:52", "name": "add async data path in vhost sample", "version": 4, "mbox": "https://patches.dpdk.org/series/12868/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/80317/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 66EE5A04B6;\n\tMon, 12 Oct 2020 07:07:06 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 6999F1BF91;\n\tMon, 12 Oct 2020 07:07:04 +0200 (CEST)", "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n by dpdk.org (Postfix) with ESMTP id E3D6D1BCE8\n for <dev@dpdk.org>; Mon, 12 Oct 2020 07:07:02 +0200 (CEST)", "from fmsmga002.fm.intel.com ([10.253.24.26])\n by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 11 Oct 2020 22:06:56 -0700", "from dpdk_jiangcheng.sh.intel.com ([10.67.119.112])\n by fmsmga002.fm.intel.com with ESMTP; 11 Oct 2020 22:06:54 -0700" ], "IronPort-SDR": [ "\n TG1mwmY0Z7HuFnYWVzf737NWOEmRzBhSaRpBgqO7fayOcC428IGDMd6ylIF/NNqSmEe4ryO1Qt\n m/SOPDwDpfLA==", "\n mzbirjJbHm1uSYKKAJNb1iON26Ol0TK9Mue/pmk1Tko0bNdVYfOALfhHbi4Avuk8muOiPo4LY/\n D/Tl5boHPTQA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6000,8403,9771\"; a=\"163051372\"", "E=Sophos;i=\"5.77,365,1596524400\"; d=\"scan'208\";a=\"163051372\"", "E=Sophos;i=\"5.77,365,1596524400\"; d=\"scan'208\";a=\"350613346\"" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "From": "Cheng Jiang <Cheng1.jiang@intel.com>", "To": "maxime.coquelin@redhat.com, chenbo.xia@intel.com, zhihong.wang@intel.com", "Cc": "dev@dpdk.org, patrick.fu@intel.com, Cheng Jiang <Cheng1.jiang@intel.com>", "Date": "Mon, 12 Oct 2020 04:54:52 +0000", "Message-Id": "<20201012045456.5196-1-Cheng1.jiang@intel.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20200930030859.59989-1-Cheng1.jiang@intel.com>", "References": "<20200930030859.59989-1-Cheng1.jiang@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v4 0/4] add async data path in vhost sample", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This patch set makes vhost-vswitch be able to use vhost async APIs\nfor enqueue operations. Demonstrated how the application\nleverage IOAT DMA channel with vhost async APIs.\n\nWe introduce two parameters to enable DMA acceleration for Tx\noperations of queues:\n-dma_type This parameter is used to specify DMA type for async\nvhost-user net driver.\n-dmas This parameter is used to specify the assigned DMA device of a\nvhost device and enable async vhost data path.\n\n---\nv4:\n * Code rebased for latest IOAT driver\n\nv3:\n * Fixed a coding style problem\n\nv2:\n * Changed meson build file to fix dependency problem\n * Added parameter description in usage function\n * Optimized parameter settings and parsing function\n * Optimized abstraction, moved some code to ioat.c\n\nCheng Jiang (4):\n example/vhost: add async vhost args parsing function\n example/vhost: add support for vhost async data path\n doc: update vhost sample doc for vhost async data path\n doc: update release notes for vhost sample\n\n doc/guides/rel_notes/release_20_11.rst | 6 +\n doc/guides/sample_app_ug/vhost.rst | 11 ++\n examples/vhost/ioat.c | 209 +++++++++++++++++++++++++\n examples/vhost/main.c | 98 +++++++++++-\n examples/vhost/main.h | 14 ++\n examples/vhost/meson.build | 4 +-\n 6 files changed, 338 insertions(+), 4 deletions(-)\n create mode 100644 examples/vhost/ioat.c\n\n--\n2.27.0" }