From patchwork Mon Sep 25 07:44:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuai Xue X-Patchwork-Id: 726770 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8ABF2CE7A81 for ; Mon, 25 Sep 2023 07:45:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232556AbjIYHp3 (ORCPT ); Mon, 25 Sep 2023 03:45:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232496AbjIYHpS (ORCPT ); Mon, 25 Sep 2023 03:45:18 -0400 Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95DABCC4; Mon, 25 Sep 2023 00:44:53 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R211e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018045192; MF=xueshuai@linux.alibaba.com; NM=1; PH=DS; RN=22; SR=0; TI=SMTPD_---0Vsmvt44_1695627888; Received: from localhost.localdomain(mailfrom:xueshuai@linux.alibaba.com fp:SMTPD_---0Vsmvt44_1695627888) by smtp.aliyun-inc.com; Mon, 25 Sep 2023 15:44:49 +0800 From: Shuai Xue To: keescook@chromium.org, tony.luck@intel.com, gpiccoli@igalia.com, rafael@kernel.org, lenb@kernel.org, james.morse@arm.com, bp@alien8.de, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, ardb@kernel.org, robert.moore@intel.com Cc: linux-hardening@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-efi@vger.kernel.org, acpica-devel@lists.linuxfoundation.org, xueshuai@linux.alibaba.com, baolin.wang@linux.alibaba.com Subject: [RFC PATCH v2 9/9] ACPI: APEI: ESRT: log ARM processor error Date: Mon, 25 Sep 2023 15:44:26 +0800 Message-Id: <20230925074426.97856-10-xueshuai@linux.alibaba.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230925074426.97856-1-xueshuai@linux.alibaba.com> References: <20230925074426.97856-1-xueshuai@linux.alibaba.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org Introduce a new pstore_record type, PSTORE_TYPE_CPER_PROC_ARM, so that serialized ARM processor errors can be retrieved and saved as a file in pstore file system. While the serialized errors is retrieved from ERST backend, log it. Signed-off-by: Shuai Xue --- drivers/acpi/apei/erst.c | 6 ++++++ fs/pstore/platform.c | 1 + include/linux/pstore.h | 1 + 3 files changed, 8 insertions(+) diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index e0c44ea46acc..2b99573d1d5d 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -29,6 +29,7 @@ #include #include #include +#include #ifdef CONFIG_X86_MCE /* only define CREATE_TRACE_POINTS once */ #include @@ -1092,6 +1093,11 @@ static ssize_t erst_reader(struct pstore_record *record) cper_print_aer( pdev, AER_FATAL, (struct aer_capability_regs *)pcie_err->aer_info); + } else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SEC_PROC_ARM)) { + struct cper_sec_proc_arm *err = (struct cper_sec_proc_arm *)rcd->data; + + record->type = PSTORE_TYPE_CPER_PROC_ARM; + log_arm_hw_error(err); } else record->type = PSTORE_TYPE_MAX; diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 40a062546fe4..48ad3202284c 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -53,6 +53,7 @@ static const char * const pstore_type_names[] = { "powerpc-opal", "cper-mem", "cper-pcie", + "cper-proc-arm", }; static int pstore_new_entry; diff --git a/include/linux/pstore.h b/include/linux/pstore.h index e63f51e9c22e..83edff5aab0b 100644 --- a/include/linux/pstore.h +++ b/include/linux/pstore.h @@ -43,6 +43,7 @@ enum pstore_type_id { /* APEI section */ PSTORE_TYPE_CPER_MEM = 9, PSTORE_TYPE_CPER_PCIE = 10, + PSTORE_TYPE_CPER_PROC_ARM = 11, /* End of the list */ PSTORE_TYPE_MAX