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{ "id": 91740, "url": "http://patches.dpdk.org/api/covers/91740/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20210419085104.47078-1-Cheng1.jiang@intel.com/", "project": { "id": 1, "url": "http://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": "<20210419085104.47078-1-Cheng1.jiang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210419085104.47078-1-Cheng1.jiang@intel.com", "date": "2021-04-19T08:51:00", "name": "[v8,0/4] add support for packed ring in async vhost", "submitter": { "id": 1530, "url": "http://patches.dpdk.org/api/people/1530/?format=api", "name": "Jiang, Cheng1", "email": "Cheng1.jiang@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20210419085104.47078-1-Cheng1.jiang@intel.com/mbox/", "series": [ { "id": 16485, "url": "http://patches.dpdk.org/api/series/16485/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=16485", "date": "2021-04-19T08:51:00", "name": "add support for packed ring in async vhost", "version": 8, "mbox": "http://patches.dpdk.org/series/16485/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/91740/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 1844BA0547;\n\tMon, 19 Apr 2021 11:05:00 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id F32E840683;\n\tMon, 19 Apr 2021 11:04:59 +0200 (CEST)", "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n by mails.dpdk.org (Postfix) with ESMTP id 388DA40040\n for <dev@dpdk.org>; Mon, 19 Apr 2021 11:04:58 +0200 (CEST)", "from orsmga002.jf.intel.com ([10.7.209.21])\n by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 19 Apr 2021 02:04:56 -0700", "from dpdk_jiangcheng.sh.intel.com ([10.67.119.112])\n by orsmga002.jf.intel.com with ESMTP; 19 Apr 2021 02:04:53 -0700" ], "IronPort-SDR": [ "\n ih0CbQwSEneNkpj/nb+AGgj5jqvqgLfNZBtXosc4lK++hta0ylKCd4j0gI1cFgv8qEVXaqhxIv\n fdhOnjmTNRkw==", "\n JBFbvtivKS7WYkauQBQH9pslkj+beh/RaDIDs+YWMsT6Gt3yWwaREq8x5ZCZuRGbjKovQ6/VCk\n 3rce66lGNv3Q==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,9958\"; a=\"182424726\"", "E=Sophos;i=\"5.82,233,1613462400\"; d=\"scan'208\";a=\"182424726\"", "E=Sophos;i=\"5.82,233,1613462400\"; d=\"scan'208\";a=\"400566084\"" ], "X-ExtLoop1": "1", "From": "Cheng Jiang <Cheng1.jiang@intel.com>", "To": "maxime.coquelin@redhat.com,\n\tchenbo.xia@intel.com", "Cc": "dev@dpdk.org, jiayu.hu@intel.com, yvonnex.yang@intel.com,\n yinan.wang@intel.com, yong.liu@intel.com,\n Cheng Jiang <Cheng1.jiang@intel.com>", "Date": "Mon, 19 Apr 2021 08:51:00 +0000", "Message-Id": "<20210419085104.47078-1-Cheng1.jiang@intel.com>", "X-Mailer": "git-send-email 2.29.2", "In-Reply-To": "<20210317085426.10119-1-Cheng1.jiang@intel.com>", "References": "<20210317085426.10119-1-Cheng1.jiang@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v8 0/4] add support for packed ring in async vhost", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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": "For now async vhost data path only supports split ring structure. In\norder to make async vhost compatible with virtio 1.1 spec this patch\nset cleans async split ring codes and enables packed ring in async\nvhost data path. Batch datapath is also enabled in async vhost\npacked ring.\n\nv8:\n * fix some variable names for consistency\n * clean codes\nv7:\n * fix compile issues\n * add argument *dev in vhost_free_async_mem() for ring type decision\nv6:\n * fix some typos in commit log\n * improve index usage\n * remove shadow_ring_store()\n * add store_dma_desc_info_split() store_dma_desc_info_packed()\n * remove some checks in vhost_free_async_mem()\n * change index calculation since the size isn't necessarily a power of 2\n * move error handling in a dedicated function\n * clean codes\nv5:\n * clean some codes for packed ring datapath\n * fix an index error in shadow_ring_store()\nv4:\n * change the patch structure\n * clean code for async split ring\n * reuse some code from split ring\n * change the error handler for DMA-copy packet\n * add check for malloc\n * remove useless code\n * add doc update\nv3:\n * fix error handler for DMA-copy packet\nv2:\n * fix wrong buffer index in rte_vhost_poll_enqueue_completed()\n * add async_buffers_packed memory free in vhost_free_async_mem()\n\nCheng Jiang (4):\n vhost: abstract and reorganize async split ring code\n vhost: add support for packed ring in async vhost\n vhost: add batch datapath for async vhost packed ring\n doc: add release note for vhost async packed ring\n\n doc/guides/rel_notes/release_21_05.rst | 4 +\n lib/librte_vhost/rte_vhost_async.h | 1 +\n lib/librte_vhost/vhost.c | 79 +++-\n lib/librte_vhost/vhost.h | 15 +-\n lib/librte_vhost/virtio_net.c | 598 +++++++++++++++++++++----\n 5 files changed, 587 insertions(+), 110 deletions(-)\n\n--\n2.29.2" }