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{ "id": 42267, "url": "http://patches.dpdk.org/api/covers/42267/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20180704215438.5579-1-maxime.coquelin@redhat.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": "<20180704215438.5579-1-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180704215438.5579-1-maxime.coquelin@redhat.com", "date": "2018-07-04T21:54:23", "name": "[v7,00/15] Vhost: add support to packed ring layout", "submitter": { "id": 512, "url": "http://patches.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20180704215438.5579-1-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 404, "url": "http://patches.dpdk.org/api/series/404/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=404", "date": "2018-07-04T21:54:23", "name": "Vhost: add support to packed ring layout", "version": 7, "mbox": "http://patches.dpdk.org/series/404/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/42267/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 11A741BEFE;\n\tWed, 4 Jul 2018 23:54:46 +0200 (CEST)", "from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73])\n\tby dpdk.org (Postfix) with ESMTP id D335A1BEF9\n\tfor <dev@dpdk.org>; Wed, 4 Jul 2018 23:54:44 +0200 (CEST)", "from smtp.corp.redhat.com\n\t(int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 1E607402242D;\n\tWed, 4 Jul 2018 21:54:44 +0000 (UTC)", "from localhost.localdomain (ovpn-112-34.ams2.redhat.com\n\t[10.36.112.34])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id CB92A2156880;\n\tWed, 4 Jul 2018 21:54:41 +0000 (UTC)" ], "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com,\n\tdev@dpdk.org", "Cc": "mst@redhat.com, jasowang@redhat.com, wexu@redhat.com,\n\tMaxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Wed, 4 Jul 2018 23:54:23 +0200", "Message-Id": "<20180704215438.5579-1-maxime.coquelin@redhat.com>", "X-Scanned-By": "MIMEDefang 2.78 on 10.11.54.6", "X-Greylist": [ "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.11.55.6]); Wed, 04 Jul 2018 21:54:44 +0000 (UTC)", "inspected by milter-greylist-4.5.16 (mx1.redhat.com\n\t[10.11.55.6]); \n\tWed, 04 Jul 2018 21:54:44 +0000 (UTC) for IP:'10.11.54.6'\n\tDOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com'\n\tHELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:''" ], "Subject": "[dpdk-dev] [PATCH v7 00/15] Vhost: add support to packed ring layout", "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\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This series is a handover from Jen's \"[PATCH v4 00/20]\nimplement packed virtqueues\", which only implements the\nvhost side. Virtio PMD implementation will follow in a \nnext series.\n\nThe series applies on top of previous reworks I posted\nduring this cycle that merges mergeable and non-mergeable\nreceive paths, and refactors transmit path to re-use\nvector buffers.\n\nI haven't run performance tests for now as the Virtio PMD\nside isn't ready.\n\nThe series has been tested with Tiwei's series implementing\npacked ring support to Kernel's virtio-net driver, and\nwith Wei series implementing the Qemu side.\n\nTo test it, I have used testpmd on host side with a vhost\nvdev and a tap vdev forwarding to each other. Transferts\nof big random files have been done in both ways with\nintegrity verified.\n\nTests have been run with Rx mrg ON/OFF and events suppression\nON/OFF.\n\nTests have also been run with legacy spli ring layout to\nensure no regression have been introduced.\n\nChanges since v6:\n=================\n- Various style cleanups (Tiwei, Jason)\n- Simplify event based notification (Jason)\n- Build support with future kernels (Tiwei)\n- Prevent buffer vectors overflow in map_one_desc (Tiwei)\n\nChanges since v5:\n=================\n- Remove duplicated VHOST_USER_F_PROTOCOL_FEATURES definition (Tiwei)\n- Fix vq_is_ready (Maxime)\n- Fix local used index overflow in flush_shadow_used_ring_packed (Tiwei)\n- Make desc_is_avail() a bool (Tiwei)\n- Improve desc_is_avail() logic (Tiwei)\n- Remove split rings addr NULL assignment in the right patch (Tiwei)\n- Make buffer id a uint16_t (Tiwei)\n\nJens Freimann (2):\n vhost: add virtio packed virtqueue defines\n vhost: add helpers for packed virtqueues\n\nMaxime Coquelin (12):\n vhost: clear shadow used table index at flush time\n vhost: make indirect desc table copy desc type agnostic\n vhost: clear batch copy index at copy time\n vhost: extract split ring handling from Rx and Tx functions\n vhost: append shadow used ring function names with split\n vhost: add shadow used ring support for packed rings\n vhost: create descriptor mapping function\n vhost: add vector filling support for packed ring\n vhost: add Rx support for packed ring\n vhost: add Tx support for packed ring\n vhost: add notification for packed ring\n vhost: advertize packed ring layout support\n\nYuanhan Liu (1):\n vhost: vring address setup for packed queues\n\n lib/librte_vhost/vhost.c | 114 ++++++-\n lib/librte_vhost/vhost.h | 120 ++++++-\n lib/librte_vhost/vhost_user.c | 127 +++++--\n lib/librte_vhost/virtio_net.c | 776 +++++++++++++++++++++++++++++++++---------\n 4 files changed, 928 insertions(+), 209 deletions(-)" }