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X-CSE-ConnectionGUID: v+SsdTCfT6Clkru5qwuB1w== X-CSE-MsgGUID: bLp0WZEGRFSKZmQJCLIEPA== X-IronPort-AV: E=McAfee;i="6700,10204,11102"; a="25810077" X-IronPort-AV: E=Sophos;i="6.08,236,1712646000"; d="scan'208";a="25810077" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2024 14:28:57 -0700 X-CSE-ConnectionGUID: uAEz45bZQayb3m06ogpjDg== X-CSE-MsgGUID: 8wYPM8OIR3aM0UJEbKdGaA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,236,1712646000"; d="scan'208";a="40173275" Received: from sramkris-mobl1.amr.corp.intel.com (HELO [10.124.223.37]) ([10.124.223.37]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2024 14:28:56 -0700 Message-ID: <0a93b8bd-c50b-4ffd-8d6c-ba3b20b601b5@linux.intel.com> Date: Thu, 13 Jun 2024 14:28:55 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/3] PCI/AER: Print UNCOR_STATUS bits that might be ANFE To: Zhenzhong Duan , linux-pci@vger.kernel.org References: <20240509084833.2147767-1-zhenzhong.duan@intel.com> <20240509084833.2147767-3-zhenzhong.duan@intel.com> Content-Language: en-US From: Kuppuswamy Sathyanarayanan In-Reply-To: <20240509084833.2147767-3-zhenzhong.duan@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linmiaohe@huawei.com, alison.schofield@intel.com, rafael@kernel.org, sathyanarayanan.kuppuswamy@intel.com, erwin.tsaur@intel.com, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, oohall@gmail.com, ira.weiny@intel.com, dave@stgolabs.net, dave.jiang@intel.com, vishal.l.verma@intel.com, Smita.KoralahalliChannabasappa@amd.com, linux-acpi@vger.kernel.org, helgaas@kernel.org, lenb@kernel.org, chao.p.peng@intel.com, rrichter@amd.com, yudong.wang@intel.com, bp@alien8.de, qingshun.wang@linux.intel.com, jonathan.cameron@huawei.com, bhelgaas@google.com, dan.j.williams@intel.com, linux-edac@vger.kernel.org, tony.luck@intel.com, feiting.wanyan@intel.com, adam.c.preble@intel.com, mahesh@linux.ibm.com, lukas@wunner.de, james.morse@arm.com, linuxppc-dev@lists.ozlabs.org, shiju.jose@huawei.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 5/9/24 1:48 AM, Zhenzhong Duan wrote: > When an Advisory Non-Fatal error(ANFE) triggers, both correctable error(CE) > status and ANFE related uncorrectable error(UE) status will be printed: > > AER: Correctable error message received from 0000:b7:02.0 > PCIe Bus Error: severity=Correctable, type=Transaction Layer, (Receiver ID) > device [8086:0db0] error status/mask=00002000/00000000 > [13] NonFatalErr > Uncorrectable errors that may cause Advisory Non-Fatal: > [18] TLP > > Tested-by: Yudong Wang > Co-developed-by: "Wang, Qingshun" > Signed-off-by: "Wang, Qingshun" > Signed-off-by: Zhenzhong Duan > --- LGTM Reviewed-by: Kuppuswamy Sathyanarayanan > drivers/pci/pcie/aer.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c > index f2839b51321a..ed435f09ac27 100644 > --- a/drivers/pci/pcie/aer.c > +++ b/drivers/pci/pcie/aer.c > @@ -681,6 +681,7 @@ static void __aer_print_error(struct pci_dev *dev, > { > const char **strings; > unsigned long status = info->status & ~info->mask; > + unsigned long anfe_status = info->anfe_status; > const char *level, *errmsg; > int i; > > @@ -701,6 +702,20 @@ static void __aer_print_error(struct pci_dev *dev, > info->first_error == i ? " (First)" : ""); > } > pci_dev_aer_stats_incr(dev, info); > + > + if (!anfe_status) > + return; > + > + strings = aer_uncorrectable_error_string; > + pci_printk(level, dev, "Uncorrectable errors that may cause Advisory Non-Fatal:\n"); > + > + for_each_set_bit(i, &anfe_status, 32) { > + errmsg = strings[i]; > + if (!errmsg) > + errmsg = "Unknown Error Bit"; > + > + pci_printk(level, dev, " [%2d] %s\n", i, errmsg); > + } > } > > void aer_print_error(struct pci_dev *dev, struct aer_err_info *info) -- Sathyanarayanan Kuppuswamy Linux Kernel Developer