From patchwork Wed Aug 31 06:36:09 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Huang, Ying" X-Patchwork-Id: 1115062 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p7V6acdB031325 for ; Wed, 31 Aug 2011 06:36:38 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751905Ab1HaGgh (ORCPT ); Wed, 31 Aug 2011 02:36:37 -0400 Received: from mga01.intel.com ([192.55.52.88]:21747 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751235Ab1HaGgh (ORCPT ); Wed, 31 Aug 2011 02:36:37 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 30 Aug 2011 23:36:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.68,306,1312182000"; d="scan'208";a="46922192" Received: from yhuang-dev.sh.intel.com ([10.239.13.105]) by fmsmga002.fm.intel.com with ESMTP; 30 Aug 2011 23:36:20 -0700 From: Huang Ying To: Len Brown Cc: linux-kernel@vger.kernel.org, Tony Luck , ying.huang@intel.com, linux-acpi@vger.kernel.org Subject: [PATCH] ACPI, APEI, GHES: Add PCIe AER recovery support Date: Wed, 31 Aug 2011 14:36:09 +0800 Message-Id: <1314772569-21269-1-git-send-email-ying.huang@intel.com> X-Mailer: git-send-email 1.7.5.4 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 31 Aug 2011 06:36:38 +0000 (UTC) aer_recover_queue() is called when recoverable PCIe AER errors are notified by firmware to do the recovery work. Signed-off-by: Huang Ying --- drivers/acpi/apei/ghes.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -45,6 +45,8 @@ #include #include #include +#include +#include #include #include #include @@ -475,6 +477,27 @@ static void ghes_do_proc(const struct ac } #endif } +#ifdef CONFIG_ACPI_APEI_PCIEAER + else if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, + CPER_SEC_PCIE)) { + struct cper_sec_pcie *pcie_err; + pcie_err = (struct cper_sec_pcie *)(gdata+1); + if (sev == GHES_SEV_RECOVERABLE && + sec_sev == GHES_SEV_RECOVERABLE && + pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && + pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) { + unsigned int devfn; + int aer_severity; + devfn = PCI_DEVFN(pcie_err->device_id.device, + pcie_err->device_id.function); + aer_severity = cper_severity_to_aer(sev); + aer_recover_queue(pcie_err->device_id.segment, + pcie_err->device_id.bus, + devfn, aer_severity); + } + + } +#endif } }