From patchwork Fri Feb 5 18:10:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Parav Pandit X-Patchwork-Id: 12070755 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 50055C433DB for ; Fri, 5 Feb 2021 18:53:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1063364EFE for ; Fri, 5 Feb 2021 18:53:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232852AbhBERKM (ORCPT ); Fri, 5 Feb 2021 12:10:12 -0500 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:14095 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233302AbhBEQ3K (ORCPT ); Fri, 5 Feb 2021 11:29:10 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Fri, 05 Feb 2021 10:10:48 -0800 Received: from sw-mtx-036.mtx.labs.mlnx (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Feb 2021 18:10:48 +0000 From: Parav Pandit To: , , , , , CC: Parav Pandit Subject: [PATCH iproute2-next v4 0/5] Add vdpa device management tool Date: Fri, 5 Feb 2021 20:10:24 +0200 Message-ID: <20210205181029.365461-1-parav@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210122112654.9593-3-parav@nvidia.com> References: <20210122112654.9593-3-parav@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1612548648; bh=fa+43PHNU7INnDsi2nevvhDSpyuqfg4iIYW8gnVuS0g=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:Content-Type: X-Originating-IP:X-ClientProxiedBy; b=N8TtTvR+d6Un2GF+TaUBgdvGsLhXphXSUq4yCFAyz8zrJBLe8Shj/rpSb/FCDnTs8 bTfeIrI8ugJBFleGEZjNvQ6B3gQVo9guQFNSn+I/iIew0AnJl87oSGM7JIDZqu0ZbE hoJNtBO/OXmw6d+n4xLhnGwRdXW+hbmZbjKMNg7fJ9Z58Kx9axzgylSoTlxrs75w4i Kd5whGUfmTJCjFBDeefJl3vgwovxKf8y6XbraMcDDd6u1HvLiO8ycrV9TkWnspYrjo j9ooanDSMT7Ep+wxpysnVjTM+LXKynd/gqCxx15cKpkozaMrKm1ru9NPgpf8oD+NiP icvj1/g9G6vfQ== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: dsahern@gmail.com Linux vdpa interface allows vdpa device management functionality. This includes adding, removing, querying vdpa devices. vdpa interface also includes showing supported management devices which support such operations. This patchset includes kernel uapi headers and a vdpa tool. examples: $ vdpa mgmtdev show vdpasim: supported_classes net $ vdpa mgmtdev show -jp { "show": { "vdpasim": { "supported_classes": [ "net" ] } } } Create a vdpa device of type networking named as "foo2" from the management device vdpasim_net: $ vdpa dev add mgmtdev vdpasim_net name foo2 Show the newly created vdpa device by its name: $ vdpa dev show foo2 foo2: type network mgmtdev vdpasim_net vendor_id 0 max_vqs 2 max_vq_size 256 $ vdpa dev show foo2 -jp { "dev": { "foo2": { "type": "network", "mgmtdev": "vdpasim_net", "vendor_id": 0, "max_vqs": 2, "max_vq_size": 256 } } } Delete the vdpa device after its use: $ vdpa dev del foo2 An example of PCI PF, VF and SF management device: pci/0000:03.00:0 supported_classes net pci/0000:03.00:4 supported_classes net auxiliary/mlx5_core.sf.8 supported_classes net Patch summary: Patch-1 adds kernel headers for vdpa subsystem Patch-2 adds library routines for indent handling Patch-3 adds library routines for generic socket communication PAtch-4 adds library routine for number to string mapping Patch-5 adds vdpa tool Kernel headers are from the vhost kernel tree [1] from branch linux-next. [1] https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git --- changelog: v3->v4: - relocated vdpa headers to vdpa/include/uapi/linux - added new headers path to CFLAGS of vdpa tool v2->v3: - addressed David's comment to split patch for utils and other parts - rebased - using newly added helper routine for number to string mapping v1->v2: - addressed below comments from David - added and used library helpers for socket communication - added and used library functions for string processing helpers - added and used library functions indent processing helpers Parav Pandit (5): Add kernel headers utils: Add helper routines for indent handling utils: Add generic socket helpers utils: Add helper to map string to unsigned int vdpa: Add vdpa tool Makefile | 2 +- include/mnl_utils.h | 16 + include/utils.h | 20 +- lib/mnl_utils.c | 121 +++++ lib/utils.c | 83 +++- man/man8/vdpa-dev.8 | 96 ++++ man/man8/vdpa-mgmtdev.8 | 53 +++ man/man8/vdpa.8 | 76 +++ vdpa/Makefile | 25 + vdpa/include/uapi/linux/vdpa.h | 40 ++ vdpa/include/uapi/linux/virtio_ids.h | 58 +++ vdpa/vdpa.c | 675 +++++++++++++++++++++++++++ 12 files changed, 1261 insertions(+), 4 deletions(-) create mode 100644 man/man8/vdpa-dev.8 create mode 100644 man/man8/vdpa-mgmtdev.8 create mode 100644 man/man8/vdpa.8 create mode 100644 vdpa/Makefile create mode 100644 vdpa/include/uapi/linux/vdpa.h create mode 100644 vdpa/include/uapi/linux/virtio_ids.h create mode 100644 vdpa/vdpa.c