From patchwork Tue Feb 21 21:21:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Baicar X-Patchwork-Id: 9585711 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2ECD5600C1 for ; Tue, 21 Feb 2017 21:24:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1434E28574 for ; Tue, 21 Feb 2017 21:24:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0742728620; Tue, 21 Feb 2017 21:24:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E73828574 for ; Tue, 21 Feb 2017 21:24:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753439AbdBUVYC (ORCPT ); Tue, 21 Feb 2017 16:24:02 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:45370 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753266AbdBUVXS (ORCPT ); Tue, 21 Feb 2017 16:23:18 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id AE70560F62; Tue, 21 Feb 2017 21:22:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1487712191; bh=/L8LnB7ev2yoKmarUj8MAGOfcU9jLlN91G4ywsFeo0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oQhmZlezla9sfj+s5p9+8W0SekoBMFYYeWA/1C7g8EZhgH3lOCahvKTePU+f0atjS GVy4RXsboeFcivHUvB7cf+YU3DAHle0cfC/OP36WGiyKpMyKvPMICojArMOjEajtKL rkctZ1d1+gipFU2f6tOJ1Gyb2txgtmdnStIreayQ= Received: from tbaicar-lnx.qualcomm.com (unknown [129.46.14.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: tbaicar@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4AF4060F61; Tue, 21 Feb 2017 21:22:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1487712172; bh=/L8LnB7ev2yoKmarUj8MAGOfcU9jLlN91G4ywsFeo0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h8nUjx1SZV5yxPQ7L7x/e+EbanaP4CkF8D7twTkR/8j6PCNflp7vT9zY6Sb/hTnFU VY8hpbVEiLXmE/pfMpD5ryJxcHjTA+6IwpL9uq/qlfLsYhRfYP6R5LAfqlJpTIf5kg PIre2HCYQECsD5BW2pVpWCLepzEv70VzRhcJYxDY= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4AF4060F61 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=tbaicar@codeaurora.org From: Tyler Baicar To: christoffer.dall@linaro.org, marc.zyngier@arm.com, pbonzini@redhat.com, rkrcmar@redhat.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, rjw@rjwysocki.net, lenb@kernel.org, matt@codeblueprint.co.uk, robert.moore@intel.com, lv.zheng@intel.com, nkaje@codeaurora.org, zjzhang@codeaurora.org, mark.rutland@arm.com, james.morse@arm.com, akpm@linux-foundation.org, eun.taik.lee@samsung.com, sandeepa.s.prabhu@gmail.com, labbott@redhat.com, shijie.huang@arm.com, rruigrok@codeaurora.org, paul.gortmaker@windriver.com, tn@semihalf.com, fu.wei@linaro.org, rostedt@goodmis.org, bristot@redhat.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-efi@vger.kernel.org, devel@acpica.org, Suzuki.Poulose@arm.com, punit.agrawal@arm.com, astone@redhat.com, harba@codeaurora.org, hanjun.guo@linaro.org, john.garry@huawei.com, shiju.jose@huawei.com, joe@perches.com Cc: Tyler Baicar Subject: [PATCH V11 08/10] ras: acpi / apei: generate trace event for unrecognized CPER section Date: Tue, 21 Feb 2017 14:21:59 -0700 Message-Id: <1487712121-16688-9-git-send-email-tbaicar@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1487712121-16688-1-git-send-email-tbaicar@codeaurora.org> References: <1487712121-16688-1-git-send-email-tbaicar@codeaurora.org> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP UEFI spec allows for non-standard section in Common Platform Error Record. This is defined in section N.2.3 of UEFI version 2.5. Currently if the CPER section's type (UUID) does not match with any section type that the kernel knows how to parse, trace event is not generated for such section. And thus user is not able to know happening of such hardware error, including error record of non-standard section. This commit generates a trace event which contains raw error data for unrecognized CPER section. Signed-off-by: Tyler Baicar CC: Jonathan (Zhixiong) Zhang --- drivers/acpi/apei/ghes.c | 24 ++++++++++++++++++++++-- drivers/ras/ras.c | 1 + include/ras/ras_event.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 68 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index d6a3b9f..842c0cc 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -44,11 +44,13 @@ #include #include #include +#include #include #include #include #include +#include #include "apei-internal.h" @@ -453,11 +455,21 @@ static void ghes_do_proc(struct ghes *ghes, { int sev, sec_sev; struct acpi_hest_generic_data *gdata; + uuid_le sec_type; + uuid_le *fru_id = &NULL_UUID_LE; + char *fru_text = ""; sev = ghes_severity(estatus->error_severity); apei_estatus_for_each_section(estatus, gdata) { sec_sev = ghes_severity(gdata->error_severity); - if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, + sec_type = *(uuid_le *)gdata->section_type; + + if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID) + fru_id = (uuid_le *)gdata->fru_id; + if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT) + fru_text = gdata->fru_text; + + if (!uuid_le_cmp(sec_type, CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err; @@ -468,7 +480,7 @@ static void ghes_do_proc(struct ghes *ghes, ghes_handle_memory_failure(gdata, sev); } #ifdef CONFIG_ACPI_APEI_PCIEAER - else if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, + else if (!uuid_le_cmp(sec_type, CPER_SEC_PCIE)) { struct cper_sec_pcie *pcie_err; @@ -501,6 +513,14 @@ static void ghes_do_proc(struct ghes *ghes, } #endif +#ifdef CONFIG_RAS + else if (trace_unknown_sec_event_enabled()) { + void *unknown_err = acpi_hest_generic_data_payload(gdata); + trace_unknown_sec_event(&sec_type, + fru_id, fru_text, sec_sev, + unknown_err, gdata->error_data_length); + } +#endif } } diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c index b67dd36..fb2500b 100644 --- a/drivers/ras/ras.c +++ b/drivers/ras/ras.c @@ -27,3 +27,4 @@ static int __init ras_init(void) EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event); #endif EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event); +EXPORT_TRACEPOINT_SYMBOL_GPL(unknown_sec_event); diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index 1791a12..5861b6f 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -162,6 +162,51 @@ ); /* + * Unknown Section Report + * + * This event is generated when hardware detected a hardware + * error event, which may be of non-standard section as defined + * in UEFI spec appendix "Common Platform Error Record", or may + * be of sections for which TRACE_EVENT is not defined. + * + */ +TRACE_EVENT(unknown_sec_event, + + TP_PROTO(const uuid_le *sec_type, + const uuid_le *fru_id, + const char *fru_text, + const u8 sev, + const u8 *err, + const u32 len), + + TP_ARGS(sec_type, fru_id, fru_text, sev, err, len), + + TP_STRUCT__entry( + __array(char, sec_type, 16) + __array(char, fru_id, 16) + __string(fru_text, fru_text) + __field(u8, sev) + __field(u32, len) + __dynamic_array(u8, buf, len) + ), + + TP_fast_assign( + memcpy(__entry->sec_type, sec_type, sizeof(uuid_le)); + memcpy(__entry->fru_id, fru_id, sizeof(uuid_le)); + __assign_str(fru_text, fru_text); + __entry->sev = sev; + __entry->len = len; + memcpy(__get_dynamic_array(buf), err, len); + ), + + TP_printk("severity: %d; sec type:%pU; FRU: %pU %s; data len:%d; raw data:%s", + __entry->sev, __entry->sec_type, + __entry->fru_id, __get_str(fru_text), + __entry->len, + __print_hex(__get_dynamic_array(buf), __entry->len)) +); + +/* * PCIe AER Trace event * * These events are generated when hardware detects a corrected or