Cover Detail
Show a cover letter.
GET /api/covers/103633/?format=api
{ "id": 103633, "url": "https://patches.dpdk.org/api/covers/103633/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20211103191554.16449-1-eagostini@nvidia.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": "<20211103191554.16449-1-eagostini@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20211103191554.16449-1-eagostini@nvidia.com", "date": "2021-11-03T19:15:45", "name": "[v4,0/9] GPU library", "submitter": { "id": 1571, "url": "https://patches.dpdk.org/api/people/1571/?format=api", "name": "Elena Agostini", "email": "eagostini@nvidia.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20211103191554.16449-1-eagostini@nvidia.com/mbox/", "series": [ { "id": 20265, "url": "https://patches.dpdk.org/api/series/20265/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=20265", "date": "2021-11-03T19:15:45", "name": "GPU library", "version": 4, "mbox": "https://patches.dpdk.org/series/20265/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/103633/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 29527A0C53;\n\tWed, 3 Nov 2021 12:04:58 +0100 (CET)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id A98E64115A;\n\tWed, 3 Nov 2021 12:04:57 +0100 (CET)", "from NAM12-MW2-obe.outbound.protection.outlook.com\n (mail-mw2nam12on2044.outbound.protection.outlook.com [40.107.244.44])\n by mails.dpdk.org (Postfix) with ESMTP id 3C69D41134\n for <dev@dpdk.org>; Wed, 3 Nov 2021 12:04:56 +0100 (CET)", "from DM6PR03CA0086.namprd03.prod.outlook.com (2603:10b6:5:333::19)\n by DM4PR12MB5086.namprd12.prod.outlook.com (2603:10b6:5:389::9) with\n Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4649.15; Wed, 3 Nov\n 2021 11:04:54 +0000", "from DM6NAM11FT064.eop-nam11.prod.protection.outlook.com\n (2603:10b6:5:333:cafe::c9) by DM6PR03CA0086.outlook.office365.com\n (2603:10b6:5:333::19) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4649.15 via Frontend\n Transport; Wed, 3 Nov 2021 11:04:54 +0000", "from mail.nvidia.com (216.228.112.34) by\n DM6NAM11FT064.mail.protection.outlook.com (10.13.172.234) with Microsoft SMTP\n Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id\n 15.20.4669.10 via Frontend Transport; Wed, 3 Nov 2021 11:04:54 +0000", "from nvidia.com (172.20.187.5) by HQMAIL107.nvidia.com\n (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 3 Nov\n 2021 11:04:54 +0000" ], "ARC-Seal": "i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;\n b=fzs2NPQm2yfChzbmYxKhJT69vVg4BR/pHvhIp3UtUYH4kSCNrVkQmUjnNDha65FG+wjfoTpBvZRwOZWJc3qEX7J+CNtmT4jTdW2DkrThoB3XaplSHtktpoH+FvOO9B1rqMti/cTKHupvi+th8znXvl+NysrRttsQ1b2s1Rd0pZ1JZdBsyyqI4e4zpKxIyOVZbp4QdHxiUB/4KxKJIcPn7lLCSULL7tOruymkDDBgNaQHK64FXqet3Lw/5dfR99cwYhzNP9joP0+7v15ZZlB0By0DOM1K0HtXu7aTjvvPFpH9dKCp+OrP9AlkOwQTy4Cx0SohFXiPKj4eLSyAo6U6cQ==", "ARC-Message-Signature": "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector9901;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=9rqFA8he90Zva0DbOJdUAsLBTCu2jE7LRf3sj1l8jjU=;\n b=dE7Q97rmcBHXIfL/LV1Qj0PoeBNCwV52/5KD1sRwwdONIqWVgAgNSBbMjfmxA2Vw40+QDSbBlfMbxkTtEgAPM7EtpYfsNvvWepDzQ8r7Wsgg1FHrRpNkbovbsvIzitB4Skm9DwShvh64fjhG3Vu51OYExCOEeaA3C+tmPbr6bTto5qSki+BB93pWb34OJpL2yunYRs7WG6KSoqn0wFwL9BtjYegqo6VTleAX2bXTVEO9OkpJmdi8PDAGha5KmDnAm/fxIx7GrWXEEO5++pL7oEYc6Rbsjldf8Fek7pUR3+bT2FBOBljejL+gD2f9dW2FtdEXEmpK8ecTMt003OPGPg==", "ARC-Authentication-Results": "i=1; mx.microsoft.com 1; spf=pass (sender ip is\n 216.228.112.34) smtp.rcpttodomain=dpdk.org smtp.mailfrom=nvidia.com;\n dmarc=pass (p=quarantine sp=quarantine pct=100) action=none\n header.from=nvidia.com; dkim=none (message not signed); arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=9rqFA8he90Zva0DbOJdUAsLBTCu2jE7LRf3sj1l8jjU=;\n b=KbA9OZzjNvfDLakui18uhdqoDWeIgPmFwHMAayclbCyT4UrvnWbCbuf85foN7Um+Ytc+tKQU3xHQA0tNxyUr8ZXtdJWirUubDuphNM18KtO9iGjbSVW8Rf4SjQOSVTDcVD33epIQ1dw4E8IHGUJRBNMdRyyGtgI41kXGERgAyxwNhIMHITbjaA9bznJjdb4pPKf71JfC9a6uWSm/GPXBWTI9c40xLDcHxEwlOAqVbtkTcW1hzhwshgLrIwK60KB8yZiOZPs1xiLGafi8EfGsUT92bKSf3jYASV5YbxpDoDmLrq9Sf5TaKj9nnVxo844MXM27nn9SM4DsSsgNV+E8Hg==", "X-MS-Exchange-Authentication-Results": "spf=pass (sender IP is 216.228.112.34)\n smtp.mailfrom=nvidia.com; dpdk.org; dkim=none (message not signed)\n header.d=none;dpdk.org; dmarc=pass action=none header.from=nvidia.com;", "Received-SPF": "Pass (protection.outlook.com: domain of nvidia.com designates\n 216.228.112.34 as permitted sender) receiver=protection.outlook.com;\n client-ip=216.228.112.34; helo=mail.nvidia.com;", "From": "<eagostini@nvidia.com>", "To": "<dev@dpdk.org>", "CC": "Elena Agostini <eagostini@nvidia.com>", "Date": "Wed, 3 Nov 2021 19:15:45 +0000", "Message-ID": "<20211103191554.16449-1-eagostini@nvidia.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20210602203531.2288645-1-thomas@monjalon.net>", "References": "<20210602203531.2288645-1-thomas@monjalon.net>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[172.20.187.5]", "X-ClientProxiedBy": "HQMAIL111.nvidia.com (172.20.187.18) To\n HQMAIL107.nvidia.com (172.20.187.13)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "b3aeb3e4-3fe5-4eb9-69f9-08d99eb9c444", "X-MS-TrafficTypeDiagnostic": "DM4PR12MB5086:", "X-Microsoft-Antispam-PRVS": "\n <DM4PR12MB5086EB5FB63273DBDEEC6266CD8C9@DM4PR12MB5086.namprd12.prod.outlook.com>", "X-MS-Oob-TLC-OOBClassifiers": "OLM:4125;", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:216.228.112.34; CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid03.nvidia.com; CAT:NONE;\n SFS:(4636009)(36840700001)(46966006)(26005)(336012)(7696005)(2906002)(70206006)(6916009)(6286002)(107886003)(508600001)(2876002)(8676002)(36756003)(316002)(55016002)(966005)(186003)(5660300002)(36906005)(16526019)(70586007)(8936002)(426003)(1076003)(86362001)(36860700001)(47076005)(83380400001)(2616005)(356005)(4326008)(82310400003)(6666004)(7636003);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "03 Nov 2021 11:04:54.7452 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n b3aeb3e4-3fe5-4eb9-69f9-08d99eb9c444", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n DM6NAM11FT064.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM4PR12MB5086", "Subject": "[dpdk-dev] [PATCH v4 0/9] GPU library", "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": "From: Elena Agostini <eagostini@nvidia.com>\n\nIn heterogeneous computing system, processing is not only in the CPU.\nSome tasks can be delegated to devices working in parallel.\n\nThe goal of this new library is to enhance the collaboration between\nDPDK, that's primarily a CPU framework, and GPU devices.\n\nWhen mixing network activity with task processing on a non-CPU device,\nthere may be the need to put in communication the CPU with the device\nin order to manage the memory, synchronize operations, exchange info, etc..\n\nThis library provides a number of new features:\n- Interoperability with GPU-specific library with generic handlers\n- Possibility to allocate and free memory on the GPU\n- Possibility to allocate and free memory on the CPU but visible from the GPU\n- Communication functions to enhance the dialog between the CPU and the GPU\n\nThe infrastructure is prepared to welcome drivers in drivers/gpu/\nas the CUDA one, sent as draft:\nhttps://patches.dpdk.org/project/dpdk/patch/20211005224905.13505-1-eagostini@nvidia.com/\n\nChangelog:\n- Patches updated to latest DPDK commit\n- Communication list item has an array of mbufs instead of opaque\n objects\n- Communication list free doesn't release mbufs anymore\n\nElena Agostini (6):\n gpudev: introduce GPU device class library\n gpudev: add memory API\n gpudev: add memory barrier\n gpudev: add communication flag\n gpudev: add communication list\n doc: add CUDA example in GPU guide\n\nThomas Monjalon (3):\n gpudev: add event notification\n gpudev: add child device representing a device context\n gpudev: support multi-process\n\n .gitignore | 1 +\n MAINTAINERS | 6 +\n app/meson.build | 1 +\n app/test-gpudev/main.c | 394 +++++++++++\n app/test-gpudev/meson.build | 5 +\n doc/api/doxy-api.conf.in | 1 +\n doc/guides/conf.py | 8 +\n doc/guides/gpus/features/default.ini | 13 +\n doc/guides/gpus/index.rst | 11 +\n doc/guides/gpus/overview.rst | 10 +\n doc/guides/index.rst | 1 +\n doc/guides/prog_guide/gpudev.rst | 226 ++++++\n doc/guides/prog_guide/index.rst | 1 +\n doc/guides/rel_notes/release_21_11.rst | 6 +\n drivers/gpu/meson.build | 4 +\n drivers/meson.build | 1 +\n lib/gpudev/gpudev.c | 908 +++++++++++++++++++++++++\n lib/gpudev/gpudev_driver.h | 102 +++\n lib/gpudev/meson.build | 12 +\n lib/gpudev/rte_gpudev.h | 649 ++++++++++++++++++\n lib/gpudev/version.map | 38 ++\n lib/meson.build | 1 +\n 22 files changed, 2399 insertions(+)\n create mode 100644 app/test-gpudev/main.c\n create mode 100644 app/test-gpudev/meson.build\n create mode 100644 doc/guides/gpus/features/default.ini\n create mode 100644 doc/guides/gpus/index.rst\n create mode 100644 doc/guides/gpus/overview.rst\n create mode 100644 doc/guides/prog_guide/gpudev.rst\n create mode 100644 drivers/gpu/meson.build\n create mode 100644 lib/gpudev/gpudev.c\n create mode 100644 lib/gpudev/gpudev_driver.h\n create mode 100644 lib/gpudev/meson.build\n create mode 100644 lib/gpudev/rte_gpudev.h\n create mode 100644 lib/gpudev/version.map" }