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{ "id": 96183, "url": "http://patchwork.dpdk.org/api/covers/96183/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/cover/20210722040907.20468-1-cheng1.jiang@intel.com/", "project": { "id": 1, "url": "http://patchwork.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": "<20210722040907.20468-1-cheng1.jiang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210722040907.20468-1-cheng1.jiang@intel.com", "date": "2021-07-22T04:09:02", "name": "[v7,0/5] vhost: handle memory hotplug for async vhost", "submitter": { "id": 1530, "url": "http://patchwork.dpdk.org/api/people/1530/?format=api", "name": "Jiang, Cheng1", "email": "Cheng1.jiang@intel.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/cover/20210722040907.20468-1-cheng1.jiang@intel.com/mbox/", "series": [ { "id": 17945, "url": "http://patchwork.dpdk.org/api/series/17945/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=17945", "date": "2021-07-22T04:09:02", "name": "vhost: handle memory hotplug for async vhost", "version": 7, "mbox": "http://patchwork.dpdk.org/series/17945/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/covers/96183/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 97957A0C45;\n\tThu, 22 Jul 2021 06:26:25 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 86AE24014D;\n\tThu, 22 Jul 2021 06:26:24 +0200 (CEST)", "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n by mails.dpdk.org (Postfix) with ESMTP id 3707040040\n for <dev@dpdk.org>; Thu, 22 Jul 2021 06:26:23 +0200 (CEST)", "from fmsmga006.fm.intel.com ([10.253.24.20])\n by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 21 Jul 2021 21:26:22 -0700", "from dpdk_jiangcheng.sh.intel.com ([10.67.119.149])\n by fmsmga006.fm.intel.com with ESMTP; 21 Jul 2021 21:26:20 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10052\"; a=\"209664598\"", "E=Sophos;i=\"5.84,259,1620716400\"; d=\"scan'208\";a=\"209664598\"", "E=Sophos;i=\"5.84,259,1620716400\"; d=\"scan'208\";a=\"658668651\"" ], "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 Cheng Jiang <cheng1.jiang@intel.com>", "Date": "Thu, 22 Jul 2021 04:09:02 +0000", "Message-Id": "<20210722040907.20468-1-cheng1.jiang@intel.com>", "X-Mailer": "git-send-email 2.29.2", "In-Reply-To": "<20210602042802.31943-1-cheng1.jiang@intel.com>", "References": "<20210602042802.31943-1-cheng1.jiang@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v7 0/5] vhost: handle memory hotplug for async\n 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": "When the guest memory is hotplugged, the vhost application which\nenables DMA acceleration must stop DMA transfers before the vhost\nre-maps the guest memory.\n\nThis patch set is to provide an unsafe API to drain inflight pkts\nwhich are submitted to DMA engine in vhost async data path, and\nnotify the vhost application of stopping DMA transfers. And enable it\nin vhost example.\n\nv7:\n * rebased on the latest codes\n * improved commit log\nv6:\n * removed unnecessary args for the new API\n * improved variable names and function names\n * added enable notification in set_mem_table\n * fixed vhost example queue clear process\nv5:\n * added fixes in 'vhost: fix async vhost ops return type'\n * improved git log, variable names and logs\nv4:\n * rebased on the latest codes\nv3:\n * added a patch to fix async ops return type\n * fixed async ops fail handler\n * updated the doc\nv2:\n * changed the patch structure\n\nCheng Jiang (4):\n vhost: fix async vhost ops return type\n vhost: add unsafe API to clear packets in async vhost\n examples/vhost: handle memory hotplug for async vhost\n doc: update doc for queue clear API in vhost lib\n\nJiayu Hu (1):\n vhost: handle memory hotplug for async vhost\n\n doc/guides/prog_guide/vhost_lib.rst | 5 +\n doc/guides/rel_notes/release_21_08.rst | 5 +\n examples/vhost/ioat.c | 4 +-\n examples/vhost/ioat.h | 4 +-\n examples/vhost/main.c | 55 ++++++++-\n examples/vhost/main.h | 1 +\n lib/vhost/rte_vhost_async.h | 30 ++++-\n lib/vhost/version.map | 1 +\n lib/vhost/vhost_user.c | 16 +++\n lib/vhost/virtio_net.c | 152 ++++++++++++++++++++-----\n 10 files changed, 232 insertions(+), 41 deletions(-)\n\n--\n2.29.2" }