From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C5A6C43331 for ; Thu, 7 Nov 2019 20:10:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12A2C214D8 for ; Thu, 7 Nov 2019 20:10:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=Mellanox.com header.i=@Mellanox.com header.b="so49M7sK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726036AbfKGUKw (ORCPT ); Thu, 7 Nov 2019 15:10:52 -0500 Received: from mail-eopbgr50060.outbound.protection.outlook.com ([40.107.5.60]:19170 "EHLO EUR03-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725823AbfKGUKw (ORCPT ); Thu, 7 Nov 2019 15:10:52 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TwU3r7ogLOMFmcuVGDsrvQeQVZBj5z2u4XvNIS+3894dSCH7ukjuFFpc0D0AloqxHZtCgjwfh1jW3bk20azARFkdQ8OUs5jb62yPJpUzPsQ0Xszc2lb+cS8LKfKIUEsZaUJ8KgPdbb+RWMar5X93hWzsoQismLJUP66313cz4EFs7J8kmRICS+Q8p8yx5oo4mLC58p8rju+JdKvvDI+vvSjegLAoWur4ETtHmsGgXbDAkFvA0lFLINxhx+Zm3lOJos3VbJJ/J3CB4GyAXLPjQ0TZXzoBRWUTyp3FD8qXPll2607vOjuM4OqmR1a9a8EbrJ6NSwA/8V1UH431falg4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=d+m/+uQQys3tzVTJUMV+0bku3PbZl9JbTni0PStXgu4=; b=nBjW8UIp/bUoOSRGIFD0yQcCy/MVUTRDpQDQbsDveOFakDOHD1+TUi255mpcOUAnDvehBCKiT619aggc8K7Le0rIl7x2/hcFH6g8zejtyJ5oesfwQMkV5vhxZFmNyv+Ja64dusYVnI4cMtAcMdTyuQ9BTuTwdqqkMDt5KcCAFwxO1hhLjhnsyUSpUyDUYr/d8BcrOzWUQRHNSFyDyAqwvkdtGQrJXKDaMDTIFK7SwwuCYmyeG3PQF/qYJWosgRQMhQ5sjITYkjFHB6BgYDtjMMrQpjlX0ACP+Bkql9iXmWyO8NnaEkWZNl5yiAphFldONJJK6JOsu1HfKS8RcK8OQA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=mellanox.com; dmarc=pass action=none header.from=mellanox.com; dkim=pass header.d=mellanox.com; arc=none 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=d+m/+uQQys3tzVTJUMV+0bku3PbZl9JbTni0PStXgu4=; b=so49M7sK6otLNx3mFTUcek83iFD9OcI735pOsAa+qVGp8OM3agi6OV2oPrSu+lQJJ/S851jqqBTyVOhrEGBI/oVqnbO+2HM5NmfWMbgxxysH2HnPoexFIy7r3D+gnOgdGDmMZtiIS4tCougVTmBbmZAfpgILz6h0VDxgrZa9zp4= Received: from AM0PR05MB4866.eurprd05.prod.outlook.com (20.176.214.160) by AM0PR05MB4532.eurprd05.prod.outlook.com (52.133.55.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2430.20; Thu, 7 Nov 2019 20:10:45 +0000 Received: from AM0PR05MB4866.eurprd05.prod.outlook.com ([fe80::e5c2:b650:f89:12d4]) by AM0PR05MB4866.eurprd05.prod.outlook.com ([fe80::e5c2:b650:f89:12d4%7]) with mapi id 15.20.2430.020; Thu, 7 Nov 2019 20:10:45 +0000 From: Parav Pandit To: Leon Romanovsky CC: "alex.williamson@redhat.com" , "davem@davemloft.net" , "kvm@vger.kernel.org" , "netdev@vger.kernel.org" , Saeed Mahameed , "kwankhede@nvidia.com" , "cohuck@redhat.com" , Jiri Pirko , "linux-rdma@vger.kernel.org" Subject: RE: [PATCH net-next 00/19] Mellanox, mlx5 sub function support Thread-Topic: [PATCH net-next 00/19] Mellanox, mlx5 sub function support Thread-Index: AQHVlYUoVUzzBv4k4UmQHUerp08scad/75GAgAAxHKA= Date: Thu, 7 Nov 2019 20:10:45 +0000 Message-ID: References: <20191107160448.20962-1-parav@mellanox.com> <20191107170341.GM6763@unreal> In-Reply-To: <20191107170341.GM6763@unreal> 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=parav@mellanox.com; x-originating-ip: [208.176.44.194] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: a50ad319-855e-4762-a490-08d763be92e4 x-ms-traffictypediagnostic: AM0PR05MB4532:|AM0PR05MB4532: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1091; x-forefront-prvs: 0214EB3F68 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(346002)(366004)(39850400004)(396003)(376002)(136003)(13464003)(199004)(189003)(316002)(66476007)(476003)(14454004)(478600001)(25786009)(7736002)(186003)(66446008)(66946007)(66556008)(64756008)(76116006)(102836004)(256004)(7696005)(6116002)(3846002)(11346002)(76176011)(26005)(81166006)(486006)(81156014)(446003)(6506007)(53546011)(99286004)(4326008)(305945005)(33656002)(5660300002)(2906002)(54906003)(6916009)(6246003)(71190400001)(71200400001)(6436002)(229853002)(8676002)(52536014)(86362001)(55016002)(9686003)(8936002)(74316002)(66066001);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR05MB4532;H:AM0PR05MB4866.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: BCL:0; x-microsoft-antispam-message-info: dS73FkBFIRJ1fJcD/+gNPpHkaCIgwmS+m1hfrPMZ7WWp2noahXTlbCeqp1qlAMl8l5FdvDpSAPB3O+xz7T5m12ttLgMLpO7B3hCOJH7fO8sc4eSJ58d6Ai8QkM6vVN3qfbVsNC5qrPMrMUduSdUqfVzpDe5k9zGDruWZp96hqRNnLSLO9ZmluwqaP4xkkdblRDPRD1ywS92ikBAnxpZvBLwcwTJrzHyNlZCdlD+w4DZIrL1Le+SP/lnSm0ZjTR025bMun86nrSGhcQBY5rns/SKFCxhAm4LbtUch5u8MpiGd2iB2s5TiXUyLaLeWpY3ipT31TCDj36IDyXOI6KoeOVtGaB1ewAGfiLSWPt1QvEkkqVlSA2xHFvZYNLcgIc/eXK1gifj43cLMMXJfVUyoB29nV16fTWz1e5K4B6SER7mD8sHJeNjQF9lS5WB7id7r 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: a50ad319-855e-4762-a490-08d763be92e4 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Nov 2019 20:10:45.4129 (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-CrossTenant-userprincipalname: BZLuPRRbpKk1WhJdFQATGueQRajjAhh9CTOOA6+B/q5ApzMNixLk7FoBkNItaqqvQnBU6mK9bVc5bVLcYkLykw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB4532 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Hi Leon, > -----Original Message----- > From: Leon Romanovsky > Sent: Thursday, November 7, 2019 11:04 AM > To: Parav Pandit > Cc: alex.williamson@redhat.com; davem@davemloft.net; > kvm@vger.kernel.org; netdev@vger.kernel.org; Saeed Mahameed > ; kwankhede@nvidia.com; cohuck@redhat.com; Jiri > Pirko ; linux-rdma@vger.kernel.org > Subject: Re: [PATCH net-next 00/19] Mellanox, mlx5 sub function support >=20 > On Thu, Nov 07, 2019 at 10:04:48AM -0600, Parav Pandit wrote: > > Hi Dave, Jiri, Alex, > > >=20 > <...> >=20 > > - View netdevice and (optionally) RDMA device using iproute2 tools > > $ ip link show > > $ rdma dev show >=20 > You perfectly explained how ETH devices will be named, but what about > RDMA? > How will be named? I feel that rdma-core needs to be extended to support = such > mediated devices. >=20 rdma devices are named by default using mlx_X. After your persistent naming patches, I thought we have GUID based naming s= cheme which doesn't care about its underlying bus. So mdevs will be able to use current GUID based naming scheme we already ha= ve. Additionally, if user prefers, mdev alias, we can extend systemd/udev to us= e mdev alias based names (like PCI bdf). Such as, rocem ibm Format is: m -> stands for mdev device (similar to 'p' for PCI)