From patchwork Tue Feb 21 21:21:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Baicar X-Patchwork-Id: 9585683 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 3ECF2600C1 for ; Tue, 21 Feb 2017 21:22:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 253E128574 for ; Tue, 21 Feb 2017 21:22:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1922228620; Tue, 21 Feb 2017 21:22:56 +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=unavailable 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 530A128574 for ; Tue, 21 Feb 2017 21:22:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752884AbdBUVW3 (ORCPT ); Tue, 21 Feb 2017 16:22:29 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:42668 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752853AbdBUVWY (ORCPT ); Tue, 21 Feb 2017 16:22:24 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 53A4460DB6; Tue, 21 Feb 2017 21:22:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1487712143; bh=WZmQjbMQJLbv5OMbUoqIBzeQGZAO+X552qYdmwpx/eM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Msn4LiAz0ociadKVssRvfZ3v7zulG0HYXFvEtYQvRovuLVKFB9Km0ryZ1felZdyNt jxgYI/DuQ7E4IYx5cRUjwKUSrL/AHzxD3/WjMRWJ1SF66ORqzlqqhuxf3HdvpJt+ST h75Cs6IGbjYORUA926SPFcoKqf3n7IeoiIkUP4VE= 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 3281D60D91; Tue, 21 Feb 2017 21:22:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1487712139; bh=WZmQjbMQJLbv5OMbUoqIBzeQGZAO+X552qYdmwpx/eM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bhkCllfkY1kUFn+qSaDvXzlaarQRVGzJRxQMYZA+zxXYTTcqSqBBF14ABrrnXFRLo h+L9PsXm5nYD7doxp9iGddj40Ijso6VqjWK3aa/PS2Oc/bTE8svw8x+FRY65msmwM8 ZkqT40qTg0Mwl+Gx1SZjkv26nyL2IimZP1FWjSNs= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3281D60D91 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 02/10] ras: acpi/apei: cper: generic error data entry v3 per ACPI 6.1 Date: Tue, 21 Feb 2017 14:21:53 -0700 Message-Id: <1487712121-16688-3-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 Currently when a RAS error is reported it is not timestamped. The ACPI 6.1 spec adds the timestamp field to the generic error data entry v3 structure. The timestamp of when the firmware generated the error is now being reported. Signed-off-by: Tyler Baicar CC: Jonathan (Zhixiong) Zhang Reviewed-by: James Morse Reviewed-by: Ard Biesheuvel --- drivers/acpi/apei/ghes.c | 9 ++++--- drivers/firmware/efi/cper.c | 63 +++++++++++++++++++++++++++++++++++---------- include/acpi/ghes.h | 22 ++++++++++++++++ 3 files changed, 77 insertions(+), 17 deletions(-) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 5e1ec41..b25e7cf 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -420,7 +420,8 @@ static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int int flags = -1; int sec_sev = ghes_severity(gdata->error_severity); struct cper_sec_mem_err *mem_err; - mem_err = (struct cper_sec_mem_err *)(gdata + 1); + + mem_err = acpi_hest_generic_data_payload(gdata); if (!(mem_err->validation_bits & CPER_MEM_VALID_PA)) return; @@ -457,7 +458,8 @@ static void ghes_do_proc(struct ghes *ghes, if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err; - mem_err = (struct cper_sec_mem_err *)(gdata+1); + + mem_err = acpi_hest_generic_data_payload(gdata); ghes_edac_report_mem_error(ghes, sev, mem_err); arch_apei_report_mem_error(sev, mem_err); @@ -467,7 +469,8 @@ static void ghes_do_proc(struct ghes *ghes, 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); + + pcie_err = acpi_hest_generic_data_payload(gdata); if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE && pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index d425374..8fa4e23 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -32,6 +32,9 @@ #include #include #include +#include +#include +#include #define INDENT_SP " " @@ -386,13 +389,37 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie, pfx, pcie->bridge.secondary_status, pcie->bridge.control); } +static void cper_estatus_print_section_v300(const char *pfx, + const struct acpi_hest_generic_data_v300 *gdata) +{ + __u8 hour, min, sec, day, mon, year, century, *timestamp; + + if (gdata->validation_bits & ACPI_HEST_GEN_VALID_TIMESTAMP) { + timestamp = (__u8 *)&(gdata->time_stamp); + sec = bcd2bin(timestamp[0]); + min = bcd2bin(timestamp[1]); + hour = bcd2bin(timestamp[2]); + day = bcd2bin(timestamp[4]); + mon = bcd2bin(timestamp[5]); + year = bcd2bin(timestamp[6]); + century = bcd2bin(timestamp[7]); + printk("%stime: %7s %02d%02d-%02d-%02d %02d:%02d:%02d\n", pfx, + 0x01 & *(timestamp + 3) ? "precise" : "", century, + year, mon, day, hour, min, sec); + } +} + static void cper_estatus_print_section( - const char *pfx, const struct acpi_hest_generic_data *gdata, int sec_no) + const char *pfx, struct acpi_hest_generic_data *gdata, int sec_no) { uuid_le *sec_type = (uuid_le *)gdata->section_type; __u16 severity; char newpfx[64]; + if (acpi_hest_generic_data_version(gdata) >= 3) + cper_estatus_print_section_v300(pfx, + (const struct acpi_hest_generic_data_v300 *)gdata); + severity = gdata->error_severity; printk("%s""Error %d, type: %s\n", pfx, sec_no, cper_severity_str(severity)); @@ -403,14 +430,18 @@ static void cper_estatus_print_section( snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP); if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_GENERIC)) { - struct cper_sec_proc_generic *proc_err = (void *)(gdata + 1); + struct cper_sec_proc_generic *proc_err; + + proc_err = acpi_hest_generic_data_payload(gdata); printk("%s""section_type: general processor error\n", newpfx); if (gdata->error_data_length >= sizeof(*proc_err)) cper_print_proc_generic(newpfx, proc_err); else goto err_section_too_small; } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) { - struct cper_sec_mem_err *mem_err = (void *)(gdata + 1); + struct cper_sec_mem_err *mem_err; + + mem_err = acpi_hest_generic_data_payload(gdata); printk("%s""section_type: memory error\n", newpfx); if (gdata->error_data_length >= sizeof(struct cper_sec_mem_err_old)) @@ -419,7 +450,9 @@ static void cper_estatus_print_section( else goto err_section_too_small; } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) { - struct cper_sec_pcie *pcie = (void *)(gdata + 1); + struct cper_sec_pcie *pcie; + + pcie = acpi_hest_generic_data_payload(gdata); printk("%s""section_type: PCIe error\n", newpfx); if (gdata->error_data_length >= sizeof(*pcie)) cper_print_pcie(newpfx, pcie, gdata); @@ -438,7 +471,7 @@ void cper_estatus_print(const char *pfx, const struct acpi_hest_generic_status *estatus) { struct acpi_hest_generic_data *gdata; - unsigned int data_len, gedata_len; + unsigned int data_len; int sec_no = 0; char newpfx[64]; __u16 severity; @@ -451,12 +484,13 @@ void cper_estatus_print(const char *pfx, printk("%s""event severity: %s\n", pfx, cper_severity_str(severity)); data_len = estatus->data_length; gdata = (struct acpi_hest_generic_data *)(estatus + 1); + snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP); - while (data_len >= sizeof(*gdata)) { - gedata_len = gdata->error_data_length; + + while (data_len >= acpi_hest_generic_data_size(gdata)) { cper_estatus_print_section(newpfx, gdata, sec_no); - data_len -= gedata_len + sizeof(*gdata); - gdata = (void *)(gdata + 1) + gedata_len; + data_len -= acpi_hest_generic_data_record_size(gdata); + gdata = acpi_hest_generic_data_next(gdata); sec_no++; } } @@ -486,12 +520,13 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus) return rc; data_len = estatus->data_length; gdata = (struct acpi_hest_generic_data *)(estatus + 1); - while (data_len >= sizeof(*gdata)) { - gedata_len = gdata->error_data_length; - if (gedata_len > data_len - sizeof(*gdata)) + + while (data_len >= acpi_hest_generic_data_size(gdata)) { + gedata_len = acpi_hest_generic_data_error_length(gdata); + if (gedata_len > data_len - acpi_hest_generic_data_size(gdata)) return -EINVAL; - data_len -= gedata_len + sizeof(*gdata); - gdata = (void *)(gdata + 1) + gedata_len; + data_len -= gedata_len + acpi_hest_generic_data_size(gdata); + gdata = acpi_hest_generic_data_next(gdata); } if (data_len) return -EINVAL; diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h index 68f088a..6ae318b 100644 --- a/include/acpi/ghes.h +++ b/include/acpi/ghes.h @@ -12,6 +12,18 @@ #define GHES_TO_CLEAR 0x0001 #define GHES_EXITING 0x0002 +#define acpi_hest_generic_data_error_length(gdata) \ + (((struct acpi_hest_generic_data *)(gdata))->error_data_length) +#define acpi_hest_generic_data_size(gdata) \ + ((acpi_hest_generic_data_version(gdata) >= 3) ? \ + sizeof(struct acpi_hest_generic_data_v300) : \ + sizeof(struct acpi_hest_generic_data)) +#define acpi_hest_generic_data_record_size(gdata) \ + (acpi_hest_generic_data_size(gdata) + \ + acpi_hest_generic_data_error_length(gdata)) +#define acpi_hest_generic_data_next(gdata) \ + ((void *)(gdata) + acpi_hest_generic_data_record_size(gdata)) + struct ghes { union { struct acpi_hest_generic *generic; @@ -73,3 +85,13 @@ static inline void ghes_edac_unregister(struct ghes *ghes) { } #endif + +#define acpi_hest_generic_data_version(gdata) \ + (gdata->revision >> 8) + +static inline void *acpi_hest_generic_data_payload(struct acpi_hest_generic_data *gdata) +{ + return acpi_hest_generic_data_version(gdata) >= 3 ? + (void *)(((struct acpi_hest_generic_data_v300 *)(gdata)) + 1) : + gdata + 1; +}