From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR02-AM5-obe.outbound.protection.outlook.com (mail-eopbgr00088.outbound.protection.outlook.com [40.107.0.88]) by dpdk.org (Postfix) with ESMTP id D626A239 for ; Sun, 3 Mar 2019 08:11:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VCbpN3WuCkgedzQPoPUd85g2Gqx2SDvyi9IfB2iiboo=; b=RCicXbE9AIH5aSzeORPn6OCx1ZdB82bhJ7DglWzvtk2oW+jcg+OnOI+c6hIwRixiQ/pxVQHDxGPTQqHlAFTh9HQ8N1R41n/WERQseBxFJ9ExFEwe9ULiIxRci7Qe85A6x6dl5Whp9gKFEH76j1bo5nTC1AYgXrGNNlorfn2qYBo= Received: from AM0PR0502MB3795.eurprd05.prod.outlook.com (52.133.45.150) by AM0PR0502MB3921.eurprd05.prod.outlook.com (52.133.43.160) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1665.17; Sun, 3 Mar 2019 07:11:34 +0000 Received: from AM0PR0502MB3795.eurprd05.prod.outlook.com ([fe80::84f3:7e92:7a51:1003]) by AM0PR0502MB3795.eurprd05.prod.outlook.com ([fe80::84f3:7e92:7a51:1003%2]) with mapi id 15.20.1665.017; Sun, 3 Mar 2019 07:11:34 +0000 From: Shahaf Shuler To: Yongseok Koh CC: dev Thread-Topic: [RFC] net/mlx4: add secondary process support Thread-Index: AQHUz83lXCGqqyYFjEi+G5L2HGFMEqX5gPqQ Date: Sun, 3 Mar 2019 07:11:34 +0000 Message-ID: References: <7F884229-3427-45BD-8C4D-F786AA1AFF03@mellanox.com> In-Reply-To: <7F884229-3427-45BD-8C4D-F786AA1AFF03@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=shahafs@mellanox.com; x-originating-ip: [31.154.10.105] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 86b0a600-0b0e-4c45-5067-08d69fa77882 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020); SRVR:AM0PR0502MB3921; x-ms-traffictypediagnostic: AM0PR0502MB3921: x-microsoft-exchange-diagnostics: =?us-ascii?Q?1; AM0PR0502MB3921; 23:umAVxHfb0zuXekBLg54xEKTu0Ioakxth9yrs/nU?= =?us-ascii?Q?XOH/JqDQi1rCqkKxj1gUlNtg7isOlViRR1KR9qQhlkoZpM87i0Vrj6Hb997L?= =?us-ascii?Q?J4Zyu0sYOvS7lCOkBDLNrDvzcVaj+u50vQzqerk8YP+M50iu+IuHRbLWt7D5?= =?us-ascii?Q?kAHB0sCm7V4GU0DZzmEtbyBzitG0hzHo9Xi7xkBCrQqGU2NXrnhL/pHpwKaD?= =?us-ascii?Q?Cx471DBtnK0M+nMnl9qPxWh4R5EtIICdllIHtdCjNAIbgLqwrf0d9qnwKMVI?= =?us-ascii?Q?1v6rJHx9gqNnM4i4KvbYDDwr5TXXd0KYNVd8NNJSi3yv7gbjZOG7xC/cUrWF?= =?us-ascii?Q?N7SQ733MOW9R7eQ4VTlns2QFJvYUIuUm8JVwV61cELseQVnzCRLbuzUpODBB?= =?us-ascii?Q?4VWKwzOaheNCdSJTqXiZ9lPpZz4omxnTn6iiNjKiGOQd74ZR22KsUNVtz5Lv?= =?us-ascii?Q?3tugdArKF05LRb+q4w0WxpUV825G2ObqxYpwA523B55RiwTOsODp1T/LnXvg?= =?us-ascii?Q?hU8WLA/wvzc+a5mK6rHN6w0tXtg2Dd8xUSrLHACQ54pT+jCsIGr3oGSTKVkg?= =?us-ascii?Q?I9BuDo47OdzHJdRrBp4cpcfUUN2K6TCtSN0avyULt7fYV9l0/MCm91jXbsMn?= =?us-ascii?Q?JdbHLNZ5GdjY+WEWnxH2TQrOz/CMXvb2WFOGE7zQ+ppfajn/gX+6WOUq2tGb?= =?us-ascii?Q?0Yz92HZKVMpEcuBg4qCPwewuMjDsA03ZCiuHwqcRmxtNcjiWHjB7hh7efHs0?= =?us-ascii?Q?Z8UjyGs2Trht/9DRWBSRZT73PYRB5fhGYlMiQP7GdTFWicfrzPzr96BqMV/9?= =?us-ascii?Q?aTRX2xkNxsPrmfpQ5+V+VVcxI1gtuRYay6u1B7Qzhe8JnYvvAHea1h1keRq6?= =?us-ascii?Q?7nClffH0T5AsKfT1kaWxYBWvHiq8KAB75fKpr972iaKOy3KCKj3pfowMTI/5?= =?us-ascii?Q?amXvwq+Sa0CaR+in2zC88/13HnfGjZkDqaFZJ9g/UrnIWN7jgfnUgNlJ/Gv5?= =?us-ascii?Q?kM4OWM0VBRUDyzqIOn470lu0IRbNljbfFBk+f/9NXO8qXt9TiEwBIdoYGknP?= =?us-ascii?Q?icxoV5Pohs2dKAdO7jBzUhq153mHwGS6xbHMkwR+1uYuTvuLH1eTJE3APDhv?= =?us-ascii?Q?ze2YAHis25we9+PzBcV/y1CFIpTH7aiiahZ5ZW+Udj3jExPkGNz2Qkddnfkk?= =?us-ascii?Q?wbiaKpbLqtnSy8NoNGs5htNkqI8/E+HaYahCZSrJ7M1ttXyx45FV2bq7sL/v?= =?us-ascii?Q?cXJrg2DuuqMBZUcIWMgI=3D?= x-microsoft-antispam-prvs: x-forefront-prvs: 096507C068 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(396003)(366004)(39850400004)(136003)(346002)(376002)(199004)(189003)(102836004)(55016002)(316002)(186003)(6506007)(97736004)(9686003)(305945005)(478600001)(7736002)(53936002)(8676002)(14444005)(6436002)(106356001)(68736007)(99286004)(74316002)(105586002)(229853002)(33656002)(256004)(76176011)(71190400001)(81156014)(66066001)(26005)(25786009)(4744005)(7696005)(2906002)(81166006)(11346002)(446003)(14454004)(71200400001)(8936002)(5660300002)(4326008)(486006)(6862004)(6246003)(86362001)(476003)(3846002)(6116002)(6636002)(52536013); DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR0502MB3921; H:AM0PR0502MB3795.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: v/e8CjABl8JZPiAnzyOP+vkjKIPPtxNhrwS3nDYF64YGVZmPR4Bnsbgx1mBNQzttrJt6ycVk8kx/wQLTNs21QxekNkQtj0X0XgzqXWng7/7ikLT0FyR3+o8uKHYqrb42DlvMWCTjd/ymAEDRsO0nq7Q18WTosj7ZGY/+QYBD9Zub10DI69CkD+AMFN5d+t/28ZW63kSOc/8CHwKtjjeqkMC3KYhT8MKxm9YI/txyAIFFcLfC+XHR8kZQ9lGBbjQLy2v67tHK0DPT5afg8emVUlGZfeRHYA4QADLD9f3hGJ6CPPLZ7JKlL8mV3iawcq9mFfEj62BkuKycXHLpZW+w54RzTAVi8pbAkkkzjIuLZrAC5lI8P8hID0qfQ130h7AxRa8YjTwMKjBrxF5wGovByi0pmP7iJqDLkmZDIHJ4Kek= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 86b0a600-0b0e-4c45-5067-08d69fa77882 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2019 07:11:34.8484 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB3921 Subject: Re: [dpdk-dev] [RFC] net/mlx4: add secondary process support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Mar 2019 07:11:36 -0000 Same question regarding patchwork.=20 Friday, March 1, 2019 3:27 AM, Yongseok Koh: > Subject: [RFC] net/mlx4: add secondary process support >=20 > In 19.05, mlx4 PMD will start to support secondary process. This will nee= d > new rdma-core API and small fix in kernel driver, in order for Verbs to a= llow > using external (rte_malloc) memory allocator and remapping UAR space > because secondary process has to access device queues and UAR for Tx > doorbell. Majority of changes will come from mlx5 but mlx5_socket.c will = not > be imported. Instead, this will be replaced with the new rte_mp_*() APIs. > This is for secondary process to acquire Verb's command file descriptor f= rom > primary process. The file descriptor is required to remap UAR. >=20 > Patches are almost ready and I will be able to release v1 soon. >=20 > Signed-off-by: Yongseok Koh