From patchwork Tue Mar 18 15:36:27 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Pirko X-Patchwork-Id: 14021180 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE95828FD for ; Tue, 18 Mar 2025 15:36:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742312208; cv=none; b=eD4jsYF51PaYjhaekljaT6ZAeDgCJWUl2EaEeNWqNMl8aqQJ38W3P4Bl6VvQKSlVWbVF6GkqFWWZfwcH05p0fMWAzMMufF0QPAN1dyujS8q8qhgoFNgm3X6SDLLUutKbPLl8+4MqMyHwn0JeOlz75OKdfoz9n9mh1xfdsCR2FbI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742312208; c=relaxed/simple; bh=hCzI46TOxf0whbHlZzAK7Y9ErzVtzl/XtM9h25zqMm0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rjVZg2jKQJuiUQ7WpjnORU6lG5cOp8Enlkv0qL6UdVQTnF4NVuGaYRRopKMUlM92q6AmFqGGxWnXz1KH5UyoVm3Kz7Naw70Hlljy9/SVpRi0hjA34+BjbrXg75+Z/DvgN96y/mJy+PUVva0x4b25KvP6BvWyUINcno3kfJ30Tjs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=resnulli.us; spf=none smtp.mailfrom=resnulli.us; dkim=pass (2048-bit key) header.d=resnulli-us.20230601.gappssmtp.com header.i=@resnulli-us.20230601.gappssmtp.com header.b=xAoEVvyf; arc=none smtp.client-ip=209.85.128.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=resnulli.us Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=resnulli.us Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=resnulli-us.20230601.gappssmtp.com header.i=@resnulli-us.20230601.gappssmtp.com header.b="xAoEVvyf" Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-43cfba466b2so35788625e9.3 for ; Tue, 18 Mar 2025 08:36:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20230601.gappssmtp.com; s=20230601; t=1742312205; x=1742917005; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=At6+XYAcNE+hfaNmHjS9408JCFLx8zx4kdKac5P8Z8M=; b=xAoEVvyfRD/c0DkOceXESGVx8Shd9gF+iIlkz1yXTSZLCjz8efxFIOIL3zmbTb0dwi XZGv2lpPU2c7sdWuPl1IHGP38A8Mp66ylbrLC3pLJcM1snRxWYMJHPlMriIwkSTCyiQ7 jhq21ZICgwxBxCVxZ6RF43FPj09hiEPsc6984vkqU6nsxyF5Ogg4LoHs8tDJBYSsAjqA GMZkdoefejJfYWFanABQbOGjogBg/JHiZJXD6W9JhNJ9NYB9fh+ic6DEFB11GjL2iJO6 rZCvrZN4GOarxUFJYbKS7WdXOrIJ84NOGtvJ9+YUO98PKcfPpEbGQrnqookotLxsURZ2 LETA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742312205; x=1742917005; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=At6+XYAcNE+hfaNmHjS9408JCFLx8zx4kdKac5P8Z8M=; b=lxoUyTFxESGmkHz1lsV7XJOsr0/fiWPCDrqRbn0TEPnSLeUFX3t6HlitL997YuoC1g w4Qb6yX/2SvgYo59+d/1D7jD8EykDC7GpVP7VzvccD93ZTnVzxZOOcNlVYRu3ZenIo1u 6UUfta7WPfl4U1aGYucZpbwBPlON08htryeSZ0hPx4GRrFdG5X/LBczVHdBI6fvGello ia/vRi3K3pMCL9wm1L0fwU9+mnT6HSaYq8u0zYMnlGQ0SpHCzAZlw9hDIaL1rpT/BDPT jZA4ae/+Ja8c7di0JR5be7pcZ5SQTlmpxGELvosDa8Hr/jpTPa/NK+7u7jaovqpJCYHn eing== X-Gm-Message-State: AOJu0YwKVpBPnsdAhFsgTWGwV0qJNu8488GB5w0EFYXkRKFxOUHI1TZu bFKrvYprkcXm8+aXFI0bcoyuRrCYVuVp7czgWGpyYieon8ON2AGW6Uxqol5P2Ls6pZe7H2kpjSk U X-Gm-Gg: ASbGncuaEg4CRSCveaK3kyzOf/dhtr+0J9GXNWIvIBz9x9Z3iFrGRST50mfhEuVgzy2 8b8go6ikiJsTaTPoS24+sDImsgdjyZAUvWKByQS1lDa0TrcSGgNxLN2rDdJqvUnApebGWYdqmjm zX2iHclTCCVTNiwLLM6AOJ0uThDg34hnfzoRDhIrf/991Zlhda6ke1XJORX8wArVWv6fnRzA+wi xqsoMyMk9MyRoQSFKWTN+BnzyPDdvRXJYXzxreeHNIQcmOHMXb0TAHcUI0MEHeNljxbwgHCt0wU olxNAzEASdimN16/k8Q3iTYlR+lxDgGPNC7RDg== X-Google-Smtp-Source: AGHT+IFAHyg7X6M0U1I6d9cr5SNMGMLTLyD4bdbfak2m4L4DZOyzdIG49U9HDVuL7Qll8MwGOQs7Cg== X-Received: by 2002:a5d:6d08:0:b0:391:4940:45c3 with SMTP id ffacd0b85a97d-39720e3c9bcmr18462645f8f.54.1742312205214; Tue, 18 Mar 2025 08:36:45 -0700 (PDT) Received: from localhost ([193.47.165.251]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-395cb7ea16csm18289257f8f.82.2025.03.18.08.36.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Mar 2025 08:36:44 -0700 (PDT) From: Jiri Pirko To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, saeedm@nvidia.com, leon@kernel.org, tariqt@nvidia.com, andrew+netdev@lunn.ch, horms@kernel.org, donald.hunter@gmail.com, parav@nvidia.com Subject: [PATCH net-next 4/4] net/mlx5: Expose function UID in devlink info Date: Tue, 18 Mar 2025 16:36:27 +0100 Message-ID: <20250318153627.95030-5-jiri@resnulli.us> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250318153627.95030-1-jiri@resnulli.us> References: <20250318153627.95030-1-jiri@resnulli.us> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Jiri Pirko Devlink info allows to expose function UID. Get the value from PCI VPD and expose it. $ devlink dev info pci/0000:08:00.0: driver mlx5_core serial_number e4397f872caeed218000846daa7d2f49 board.serial_number MT2314XZ00YA function.uid MT2314XZ00YAMLNXS0D0F0 versions: fixed: fw.psid MT_0000000894 running: fw.version 28.41.1000 fw 28.41.1000 stored: fw.version 28.41.1000 fw 28.41.1000 auxiliary/mlx5_core.eth.0: driver mlx5_core.eth pci/0000:08:00.1: driver mlx5_core serial_number e4397f872caeed218000846daa7d2f49 board.serial_number MT2314XZ00YA function.uid MT2314XZ00YAMLNXS0D0F1 versions: fixed: fw.psid MT_0000000894 running: fw.version 28.41.1000 fw 28.41.1000 stored: fw.version 28.41.1000 fw 28.41.1000 auxiliary/mlx5_core.eth.1: driver mlx5_core.eth Signed-off-by: Jiri Pirko Reviewed-by: Parav Pandit --- drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c index be0ae26d1582..6caaf174f44d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c @@ -75,6 +75,19 @@ static int mlx5_devlink_serial_numbers_put(struct mlx5_core_dev *dev, kfree(str); } + start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size, "VU", &kw_len); + if (start >= 0) { + str = kstrndup(vpd_data + start, kw_len, GFP_KERNEL); + if (!str) { + err = -ENOMEM; + goto end; + } + end = strchrnul(str, ' '); + *end = '\0'; + err = devlink_info_function_uid_put(req, str); + kfree(str); + } + end: kfree(vpd_data); return err;