From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7A69354BD4; Tue, 27 Feb 2024 13:57:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709042223; cv=none; b=pJiKQYnRWZV6snaV6PGahPK5S5sM+SBauVjmUw39wcS2yCpk9dw6UZrtJNScXl9BNWQU9t60ECu6ShsiOLnt39+1+dGBS4AE1E0gmeV8412u/W/E0dGzWiJkf+NdF0m932uUKEgGX9A+nBkY6XHCssFrsGX7jc6nR6nWL614fgk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709042223; c=relaxed/simple; bh=KOAjKEEH9u003kvICTRN0RcQnmW/mIctr+MIpihvHqc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aRWp9l3jwkoPLYw80g/20FTyinqixyUDBXCD6u7nOFGP1KhcAIw1HEqXzpKGyF7txHjL96V4MuFSWv1CYGXDzhxl5E+77ADrCrwiFE7TzSIMuO5mgQGbSKQ4x1fs4Lld5ml0QfPHnAmUE+hLbL7JVgsdieXitZY/ko9K+ZlpB00= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TL9c//oG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="TL9c//oG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA360C433F1; Tue, 27 Feb 2024 13:57:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1709042223; bh=KOAjKEEH9u003kvICTRN0RcQnmW/mIctr+MIpihvHqc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TL9c//oGXR/pb7oVXlpGcAhUzQLuBdw34uSSQq1z79dG4O7Z+ffLfnpPCYW0qiFL7 JRU7+6b70gLlXmsdIk10nwDKCxnM2ziu3nz0j5UoqfVwVEffajf/i0Hz/+xW7EFxBC pLiASdK4bmMw/8/Oi+lC/M5nwrP7a7W8LJ37sm9U= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Edward Srouji , Mark Zhang , Leon Romanovsky , Sasha Levin Subject: [PATCH 6.6 214/299] IB/mlx5: Dont expose debugfs entries for RRoCE general parameters if not supported Date: Tue, 27 Feb 2024 14:25:25 +0100 Message-ID: <20240227131632.670181978@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240227131625.847743063@linuxfoundation.org> References: <20240227131625.847743063@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mark Zhang [ Upstream commit 43fdbd140238d44e7e847232719fef7d20f9d326 ] debugfs entries for RRoCE general CC parameters must be exposed only when they are supported, otherwise when accessing them there may be a syndrome error in kernel log, for example: $ cat /sys/kernel/debug/mlx5/0000:08:00.1/cc_params/rtt_resp_dscp cat: '/sys/kernel/debug/mlx5/0000:08:00.1/cc_params/rtt_resp_dscp': Invalid argument $ dmesg mlx5_core 0000:08:00.1: mlx5_cmd_out_err:805:(pid 1253): QUERY_CONG_PARAMS(0x824) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x325a82), err(-22) Fixes: 66fb1d5df6ac ("IB/mlx5: Extend debug control for CC parameters") Reviewed-by: Edward Srouji Signed-off-by: Mark Zhang Link: https://lore.kernel.org/r/e7ade70bad52b7468bdb1de4d41d5fad70c8b71c.1706433934.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/cong.c | 6 ++++++ include/linux/mlx5/mlx5_ifc.h | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/cong.c b/drivers/infiniband/hw/mlx5/cong.c index f87531318feb8..a78a067e3ce7f 100644 --- a/drivers/infiniband/hw/mlx5/cong.c +++ b/drivers/infiniband/hw/mlx5/cong.c @@ -458,6 +458,12 @@ void mlx5_ib_init_cong_debugfs(struct mlx5_ib_dev *dev, u32 port_num) dbg_cc_params->root = debugfs_create_dir("cc_params", mlx5_debugfs_get_dev_root(mdev)); for (i = 0; i < MLX5_IB_DBG_CC_MAX; i++) { + if ((i == MLX5_IB_DBG_CC_GENERAL_RTT_RESP_DSCP_VALID || + i == MLX5_IB_DBG_CC_GENERAL_RTT_RESP_DSCP)) + if (!MLX5_CAP_GEN(mdev, roce) || + !MLX5_CAP_ROCE(mdev, roce_cc_general)) + continue; + dbg_cc_params->params[i].offset = i; dbg_cc_params->params[i].dev = dev; dbg_cc_params->params[i].port_num = port_num; diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 51eb83f779388..643e9ba4e64bd 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1102,7 +1102,7 @@ struct mlx5_ifc_roce_cap_bits { u8 sw_r_roce_src_udp_port[0x1]; u8 fl_rc_qp_when_roce_disabled[0x1]; u8 fl_rc_qp_when_roce_enabled[0x1]; - u8 reserved_at_7[0x1]; + u8 roce_cc_general[0x1]; u8 qp_ooo_transmit_default[0x1]; u8 reserved_at_9[0x15]; u8 qp_ts_format[0x2]; -- 2.43.0