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{ "id": 99714, "url": "https://patches.dpdk.org/api/covers/99714/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20210927074806.90020-1-xuan.ding@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": "<20210927074806.90020-1-xuan.ding@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210927074806.90020-1-xuan.ding@intel.com", "date": "2021-09-27T07:48:04", "name": "[v5,0/2] support IOMMU for DMA device", "submitter": { "id": 1401, "url": "https://patches.dpdk.org/api/people/1401/?format=api", "name": "Ding, Xuan", "email": "xuan.ding@intel.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20210927074806.90020-1-xuan.ding@intel.com/mbox/", "series": [ { "id": 19180, "url": "https://patches.dpdk.org/api/series/19180/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=19180", "date": "2021-09-27T07:48:04", "name": "support IOMMU for DMA device", "version": 5, "mbox": "https://patches.dpdk.org/series/19180/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/99714/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 6DCBCA0547;\n\tMon, 27 Sep 2021 09:55:51 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 027C940686;\n\tMon, 27 Sep 2021 09:55:51 +0200 (CEST)", "from mga05.intel.com (mga05.intel.com [192.55.52.43])\n by mails.dpdk.org (Postfix) with ESMTP id 2EE724003D\n for <dev@dpdk.org>; Mon, 27 Sep 2021 09:55:49 +0200 (CEST)", "from fmsmga008.fm.intel.com ([10.253.24.58])\n by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 27 Sep 2021 00:55:46 -0700", "from dpdk-xuanding-dev2.sh.intel.com ([10.67.119.250])\n by fmsmga008.fm.intel.com with ESMTP; 27 Sep 2021 00:55:39 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10119\"; a=\"309982133\"", "E=Sophos;i=\"5.85,325,1624345200\"; d=\"scan'208\";a=\"309982133\"", "E=Sophos;i=\"5.85,325,1624345200\"; d=\"scan'208\";a=\"518467383\"" ], "X-ExtLoop1": "1", "From": "Xuan Ding <xuan.ding@intel.com>", "To": "dev@dpdk.org, maxime.coquelin@redhat.com, chenbo.xia@intel.com,\n anatoly.burakov@intel.com", "Cc": "jiayu.hu@intel.com, cheng1.jiang@intel.com, bruce.richardson@intel.com,\n sunil.pai.g@intel.com, yinan.wang@intel.com, YvonneX.Yang@intel.com,\n Xuan Ding <xuan.ding@intel.com>", "Date": "Mon, 27 Sep 2021 07:48:04 +0000", "Message-Id": "<20210927074806.90020-1-xuan.ding@intel.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20210901053044.109901-1-xuan.ding@intel.com>", "References": "<20210901053044.109901-1-xuan.ding@intel.com>", "Subject": "[dpdk-dev] [PATCH v5 0/2] support IOMMU for DMA device", "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": "This series supports DMA device to use vfio in async vhost.\n\nThe first patch extends the capability of current vfio dma mapping\nAPI to allow partial unmapping for adjacent memory if the platform\ndoes not support partial unmapping. The second patch involves the\nIOMMU programming for guest memory in async vhost.\n\nv5:\n* Fix issue of a pointer be freed early.\n\nv4:\n* Fix a format issue.\n\nv3:\n* Move the async_map_status flag to virtio_net structure to avoid\nABI breaking.\n\nv2:\n* Add rte_errno filtering for some devices bound in the kernel driver.\n* Add a flag to check the status of region mapping.\n* Fix one typo.\n\nXuan Ding (2):\n vfio: allow partially unmapping adjacent memory\n vhost: enable IOMMU for async vhost\n\n lib/eal/linux/eal_vfio.c | 338 ++++++++++++++++++++++++++-------------\n lib/vhost/vhost.h | 4 +\n lib/vhost/vhost_user.c | 114 ++++++++++++-\n 3 files changed, 344 insertions(+), 112 deletions(-)" }