From patchwork Wed Aug 21 05:10:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Guralnik X-Patchwork-Id: 13770790 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1nam02on2052.outbound.protection.outlook.com [40.107.96.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 28A2B15C147 for ; Wed, 21 Aug 2024 05:11:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.96.52 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724217062; cv=fail; b=Kfe0JMBRzhi9IcGGY5pc6b145vEG4GRaznU9X0Xr8KqexE1WtU8kSJWYAGe2I09NWMwJ2mzvehs10UlwTxMe7zfeXod3vYIa5JK4CYLbglZHJWiKwqbqwut9Od8e5pmKP85Y9U4yxzlleklBJxL2gAcZjwksQelpSUwidVNeogg= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724217062; c=relaxed/simple; bh=N5N9RtHvWbeo6ygR5laGlujSR+F9dMK8fFaVo/VU7vU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=FdCnoh88M/oztPURIeK9aFrvvb621JJcwpnezgvS7rwi/d10XZe3qIFbSUWzBWx1J2OGqkvt79XuSIWTy7DK5tRDr6wOqcWQBEI8Fhtdzk/il0ZgyERXx1fUuoyaFcX7RWYFeC1fZHqhndB1oU2LORkCvltq7VJPDWBAKj1omU8= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=pGuObAWW; arc=fail smtp.client-ip=40.107.96.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="pGuObAWW" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=SS2dclc78I69N+bx0m0KV4Bi/5X0Vdt3mSeBR2GblaUReGJkHaavXpDIPji8GdJfRnv5/d3DDaiusBY0mBjZQy24p5gj0gAnbyB4O1vdxdpyHzRytBWnTUnwAL0E17giGh+glXYprQivW6V6wbm8ZxCW6Xpf4vWE8dIoOniKGNAaiNsdZ2ep5XAyR/+kMhPobuKhES+WUG1ARXwLJKgkTbUWqMMheSrmhsc4hNK2rWMr+UNs2+K91bTSXd4L6OpBofYer8+qCToRjIyhkye7DSWklnhfQwrJLx+kkCiDNt9+fqvvmpM54pX61WaoYpIz47/noybCzXoKIelzNmxVwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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; bh=XQ25i+eb9lo7wV0+iYrzEvPiqzOfZKgJGs+Nv1lyJ/A=; b=TP4jMw0iPj1IbY0E4TuRZRP6o20tc2P1ZMKKD9nrRccT5YLYQrGXQlqvZSbc1IR/PvBYiyrf1pfO1UIY/QbXvsIj3jME2gWFJhMsY08D33LEaEpYOi37S2t2BEagYTSSUxC/HgXuKzEfSPDVXZ8r7VKYb6vPkVMCqflOOqpIm8uuh6rYBYAhhO4a2vY0QR7bL8vVBrsEJq8c2mh1l9egcNaecnjSB6i5h3mBsrz1Q7dfbvBf4xbYlN1oMC+D6i6JTnWZ7XOnbOwNEUEldYCwk4LjBq23Fui5FpIB+kfWmAXDqz7Zka/ibBu+9LmS0j3C9Ixd78havbakobuXOt5gsA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.161) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XQ25i+eb9lo7wV0+iYrzEvPiqzOfZKgJGs+Nv1lyJ/A=; b=pGuObAWWyG26xM+wh94CjO0DZsAUTwQDb2SzBhPrL3XPz95bidlp8CqJATiwTeUywRJr5xy0ktlt8+Zkv10t57Qtaj35aGX9vb6SYbItuqmJzk7JIOZLngKf7Sg6qH7UnYOX+/5fV9TqROUQyHLvE8Hp55GzVBy9yWAHhXgl/85AjsWvuRx9UPViLFINpOxGP/zmK9RvSq0XKoTo0w8ELD8xNF9T8q7846QuI28eFma2S/aH72+sUN4Tsp/BuscEvZlYLTOjW8JgEmRXSpX4Ff1eyEyOs3wbckGITky4315UiPcRVB3ciq2npChfmZWoAEA8EtQSZhoGp6tKYHRGJg== Received: from BYAPR01CA0071.prod.exchangelabs.com (2603:10b6:a03:94::48) by CH2PR12MB4280.namprd12.prod.outlook.com (2603:10b6:610:ac::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7897.18; Wed, 21 Aug 2024 05:10:57 +0000 Received: from SJ5PEPF000001E9.namprd05.prod.outlook.com (2603:10b6:a03:94:cafe::e5) by BYAPR01CA0071.outlook.office365.com (2603:10b6:a03:94::48) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7875.21 via Frontend Transport; Wed, 21 Aug 2024 05:10:57 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.161) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by SJ5PEPF000001E9.mail.protection.outlook.com (10.167.242.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7897.11 via Frontend Transport; Wed, 21 Aug 2024 05:10:57 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 20 Aug 2024 22:10:43 -0700 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 20 Aug 2024 22:10:42 -0700 Received: from vdi.nvidia.com (10.127.8.13) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Tue, 20 Aug 2024 22:10:40 -0700 From: Michael Guralnik To: CC: , , , , , Michael Guralnik Subject: [PATCH rdma-next 7/7] RDMA/nldev: Expose whether RDMA monitoring is supported Date: Wed, 21 Aug 2024 08:10:17 +0300 Message-ID: <20240821051017.7730-8-michaelgur@nvidia.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20240821051017.7730-1-michaelgur@nvidia.com> References: <20240821051017.7730-1-michaelgur@nvidia.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001E9:EE_|CH2PR12MB4280:EE_ X-MS-Office365-Filtering-Correlation-Id: fa6778c1-ed21-4bdd-0836-08dcc19fa3ee X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(376014)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Aug 2024 05:10:57.3702 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fa6778c1-ed21-4bdd-0836-08dcc19fa3ee X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001E9.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4280 From: Chiara Meiohas Extend the "rdma sys" command to display whether RDMA monitoring is supported. RDMA monitoring is not supported in mlx4 because it does not use the ib_device_set_netdev() API, which sends the RDMA events. Example output for kernel where monitoring is supported: $ rdma sys show netns shared privileged-qkey off monitor on copy-on-fork on Example output for kernel where monitoring is not supported: $ rdma sys show netns shared privileged-qkey off monitor off copy-on-fork on Signed-off-by: Chiara Meiohas Signed-off-by: Michael Guralnik Reviewed-by: Leon Romanovsky --- drivers/infiniband/core/nldev.c | 6 ++++++ include/uapi/rdma/rdma_netlink.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 5acbde242b97..f6eaf9c1fc05 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -1952,6 +1952,12 @@ static int nldev_sys_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, nlmsg_free(msg); return err; } + + err = nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_MONITOR_MODE, 1); + if (err) { + nlmsg_free(msg); + return err; + } /* * Copy-on-fork is supported. * See commits: diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 5f9636d26050..39be09c0ffbb 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -579,6 +579,7 @@ enum rdma_nldev_attr { RDMA_NLDEV_ATTR_EVENT_TYPE, /* u8 */ + RDMA_NLDEV_SYS_ATTR_MONITOR_MODE, /* u8 */ /* * Always the end */