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X-CSE-ConnectionGUID: fFHX4YeaTsyDxB1mntsQrw== X-CSE-MsgGUID: uQv2oCQvR02o7HrgyroluQ== X-IronPort-AV: E=McAfee;i="6600,9927,11067"; a="14103976" X-IronPort-AV: E=Sophos;i="6.08,147,1712646000"; d="scan'208";a="14103976" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 May 2024 01:51:38 -0700 X-CSE-ConnectionGUID: LmVUfqKhRPKjkUX+lp2Ygw== X-CSE-MsgGUID: YpL0sfrtSUGqENeVH4941g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,147,1712646000"; d="scan'208";a="29060917" Received: from unknown (HELO SPR-S2600BT.bj.intel.com) ([10.240.192.124]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 May 2024 01:51:31 -0700 From: Zhenzhong Duan To: linux-pci@vger.kernel.org Subject: [PATCH v4 2/3] PCI/AER: Print UNCOR_STATUS bits that might be ANFE Date: Thu, 9 May 2024 16:48:32 +0800 Message-Id: <20240509084833.2147767-3-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240509084833.2147767-1-zhenzhong.duan@intel.com> References: <20240509084833.2147767-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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, Zhenzhong Duan , 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" 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 --- 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) -- 2.34.1