From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 99FA823F388; Wed, 12 Mar 2025 19:00:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741806002; cv=none; b=bsh1RmO+p0EOQxQU3N1WV60AkhyHfqR/Flld0r+7IHDJniFK87AQTdtDe6UL35Ob8r9GvqfIa3tskkAp9c9vbdwPU/vWOnV7K+daKATHw7dw8sMyaoq92CDe4YC0sTatZUvnu5Eap8R+0/l6ljj0UfzviYPlmmLXEg/YaOTcSm8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741806002; c=relaxed/simple; bh=kGIMlxZvq6PH3ad4OhpiRECFgFh3c214pczSuZX0A4M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rBnxkn46CvYhlJZsmZvbnG+kipn6bFATIEiGv8HG3iRY0ZhgLVNGlSrdRp8ul9QS0JfQoBCz6lQuguFro4amWU/pdGU6HM9/LGZCs7iQ91ouf3refceeEfq1KZMRLR0H7XqBsJI6N+6y3BvT1w9x8c0kdk8tLPQy0X7B85O7Dmc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TtdcsGrH; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TtdcsGrH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741806001; x=1773342001; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kGIMlxZvq6PH3ad4OhpiRECFgFh3c214pczSuZX0A4M=; b=TtdcsGrHG8PqORjVd/8/pkmewN6ZeitG3XEgqgF+Qi1D+21AvjtcInwJ RI9LM/NR+uLZ1qvAS1/1AA0L2vCFGydfTAJCoSn2phcX3vqi0xrS2jmRX Q4iP+EnOLBRXtFpQBKro8V8r21oVdrQKNcQLNM/oSsaF8TGNvODSqcnIF 6HCuV95tjkOhPe1QQtmuq5YQ//QLAdN48S8dBExHgwpsDnebS/3+94H2T D9P3bGJJHkBamlGG3D87gIOF9+sStLelquKvGAKQzdCWa4ndhoTyDzQLb m7pgdlszZEsXDB2vwSi46WtteXVZX50XpkYfQopom3erQYu4yJE08VyDe Q==; X-CSE-ConnectionGUID: l1RpPqPmTZuKJ0rcQcB6uQ== X-CSE-MsgGUID: oAEsFaOAQrS8P+13vhhfYw== X-IronPort-AV: E=McAfee;i="6700,10204,11371"; a="54272016" X-IronPort-AV: E=Sophos;i="6.14,242,1736841600"; d="scan'208";a="54272016" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2025 12:00:00 -0700 X-CSE-ConnectionGUID: DwSZyZZ1Rb29xF6An1cmgw== X-CSE-MsgGUID: EpbEPYrlROWPSOh8Z46pPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,242,1736841600"; d="scan'208";a="125797228" Received: from aschofie-mobl2.amr.corp.intel.com (HELO aschofie-mobl2.lan) ([10.125.108.10]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2025 11:59:58 -0700 Date: Wed, 12 Mar 2025 11:59:57 -0700 From: Alison Schofield To: Smita Koralahalli Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, Ard Biesheuvel , Vishal Verma , Ira Weiny , Dan Williams , Jonathan Cameron , Yazen Ghannam , Terry Bowman Subject: Re: [PATCH v8 2/2] cxl/pci: Add trace logging for CXL PCIe Port RAS errors Message-ID: References: <20250310223839.31342-1-Smita.KoralahalliChannabasappa@amd.com> <20250310223839.31342-3-Smita.KoralahalliChannabasappa@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250310223839.31342-3-Smita.KoralahalliChannabasappa@amd.com> On Mon, Mar 10, 2025 at 10:38:39PM +0000, Smita Koralahalli wrote: > The CXL drivers use kernel trace functions for logging endpoint and > Restricted CXL host (RCH) Downstream Port RAS errors. Similar functionality > is required for CXL Root Ports, CXL Downstream Switch Ports, and CXL > Upstream Switch Ports. > > Introduce trace logging functions for both RAS correctable and > uncorrectable errors specific to CXL PCIe Ports. Use them to trace > FW-First Protocol errors. > > Co-developed-by: Terry Bowman > Signed-off-by: Terry Bowman > Signed-off-by: Smita Koralahalli > Reviewed-by: Ira Weiny Reviewed-by: Alison Schofield