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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6EAAC4332F for ; Sat, 12 Nov 2022 10:22:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234673AbiKLKWE (ORCPT ); Sat, 12 Nov 2022 05:22:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234684AbiKLKV7 (ORCPT ); Sat, 12 Nov 2022 05:21:59 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 091E0186D8 for ; Sat, 12 Nov 2022 02:21:59 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AC8F8B8069E for ; Sat, 12 Nov 2022 10:21:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45B2CC433C1; Sat, 12 Nov 2022 10:21:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668248516; bh=zY67By3Pm0mIUQfokBDRjcxRS0ulGZvaf74I3wfk+Hs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dplwAxST6+tLIuvBmjIXFOKQcgbJdbp1u9Sv/6i6016T7lOMdFSFUqyCPr42O5pXJ 0R1QdXTv9MoGng7LP2jZWAHSbXGAMkEyFdmhHlEJnwSkYbiPB+LGTLMZCj7n+vacEW hDrdTsQgl+f8pINTDJSqKExqJ9bO3NtZTWq3wW2WdvB/GcOrgcRErktHms+hCJeHRh 95TbX3aUMO4HwG5eChzDdcNYwuabORPiusOvoxouC24zmGoPoc7ExLvwvwXe6RBD+U 0WWtXP2+6To+rYBt/hV5cPxKhacDNS47l8xuQT2I/jNVIa6QaFffcVdKKNLph3p1Hf +XUdQ1jZrGWuQ== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet Cc: Saeed Mahameed , netdev@vger.kernel.org, Tariq Toukan , Eli Cohen , Roi Dayan Subject: [net-next 04/15] net/mlx5: Expose vhca_id to debugfs Date: Sat, 12 Nov 2022 02:21:36 -0800 Message-Id: <20221112102147.496378-5-saeed@kernel.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221112102147.496378-1-saeed@kernel.org> References: <20221112102147.496378-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eli Cohen hca_id is an identifier of an mlx5_core instance within the hardware. This identifier may be required for troubleshooting. Expose it to debugfs. Example: $ cat /sys/kernel/debug/mlx5/mlx5_core.sf.2/vhca_id 0x12 Signed-off-by: Eli Cohen Reviewed-by: Roi Dayan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 9e6da51b7481..6d7c102861ea 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1588,6 +1588,16 @@ static int mlx5_hca_caps_alloc(struct mlx5_core_dev *dev) return -ENOMEM; } +static int vhca_id_show(struct seq_file *file, void *priv) +{ + struct mlx5_core_dev *dev = file->private; + + seq_printf(file, "0x%x\n", MLX5_CAP_GEN(dev, vhca_id)); + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(vhca_id); + int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) { struct mlx5_priv *priv = &dev->priv; @@ -1612,6 +1622,7 @@ int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) priv->numa_node = dev_to_node(mlx5_core_dma_dev(dev)); priv->dbg.dbg_root = debugfs_create_dir(dev_name(dev->device), mlx5_debugfs_root); + debugfs_create_file("vhca_id", 0400, priv->dbg.dbg_root, dev, &vhca_id_fops); INIT_LIST_HEAD(&priv->traps); err = mlx5_tout_init(dev); -- 2.38.1