From patchwork Sat Sep 16 13:03:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuai Xue X-Patchwork-Id: 141048 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp1648747vqi; Sat, 16 Sep 2023 06:06:38 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFD3TPf9RjWQNen/GzKoKJ3cVNFpEuF4yzc37wdbUfvBycEAUmJuk4Ax1afaNW+xx5rwdY+ X-Received: by 2002:a05:6a00:995:b0:68f:c081:3d5c with SMTP id u21-20020a056a00099500b0068fc0813d5cmr5165942pfg.8.1694869598117; Sat, 16 Sep 2023 06:06:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1694869598; cv=none; d=google.com; s=arc-20160816; b=fX7UJadXfHUg9EyGKg5oJbu3aaRvqO4Kx4b8ErC73WcmMYQcRD7wVRPKOgXDgiU0ai AMnOjzTZ7KFZ0ZBbpRqjxHPqx9pNmV/XBQAww/Lp8v60htWfCznfKSgNlh9Dx/jZ8HuG GeFnRoXBcKDJCeR+9d0Et1zGC23ymWIsZbrNyNc5CVdRahGY4Q5OZu3tZPP171+3Khws 1XwwLOTRhcOl9LOtJVkALvXKqe9roKaPnfBXJu1ahJAMwUOUo9bImNS82/h/K8BX2dHV EZf/KqX5i30MxcHu0OBEyJcBjoUA4kHRdkZsxTjAQ6XDpss0Et6W4NMJ/qPDKkNqMofM LB0Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=9ZOHefK1gRf8hl4ujudfAT+TiUjCQqpDUEFWH2isAPY=; fh=FxxuQyV5zt5uOZlISi71Gibj4pONM7+jzC8ls2GxgWY=; b=d3gHTpnga1Mccn1tWc+H1/Qmb7U1ewDUOenGSN+1SsVqZfAla6rKzsAPp7ixltoKNX hlNegbX0b1ZOW1FKcGYCPRvgnoW3VBKdkXp03kYBr4CyP2ef/NIiN/2mFW9afMhmgnjh zLbxBdDJO7m2d1kmMxbmv5HcXVumt+SMpNwQXC501mrYDC/Fm6ccLNrpWQdWKBcNEpLk XvlnvxToAngp3szH29Or7EBLwOvhhOVPXu4n+IJIf/HJxsyMSZmQJXpUFg/OLVpX10NG C8qStEGSra00mh1V/ZKk3ffmuqfoSOWF1mZ+4PTdFvBIRtE2SnyIexSfV6Fv57BaXakG B/6g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: from agentk.vger.email (agentk.vger.email. [23.128.96.32]) by mx.google.com with ESMTPS id i189-20020a6387c6000000b0057406f52467si4752187pge.517.2023.09.16.06.06.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Sep 2023 06:06:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 50BD682B97A1; Sat, 16 Sep 2023 06:05:41 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239343AbjIPND6 (ORCPT + 29 others); Sat, 16 Sep 2023 09:03:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233337AbjIPNDl (ORCPT ); Sat, 16 Sep 2023 09:03:41 -0400 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79287DD; Sat, 16 Sep 2023 06:03:34 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=xueshuai@linux.alibaba.com;NM=1;PH=DS;RN=22;SR=0;TI=SMTPD_---0VsA36wZ_1694869410; Received: from localhost.localdomain(mailfrom:xueshuai@linux.alibaba.com fp:SMTPD_---0VsA36wZ_1694869410) by smtp.aliyun-inc.com; Sat, 16 Sep 2023 21:03:31 +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 7/9] ACPI: APEI: ESRT: kick ghes_report_chain notifier to report serialized memory errors Date: Sat, 16 Sep 2023 21:03:14 +0800 Message-Id: <20230916130316.65815-8-xueshuai@linux.alibaba.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230916130316.65815-1-xueshuai@linux.alibaba.com> References: <20230916130316.65815-1-xueshuai@linux.alibaba.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Sat, 16 Sep 2023 06:05:41 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777199583704362568 X-GMAIL-MSGID: 1777199583704362568 Introduce a new pstore_record type, PSTORE_TYPE_CPER_MEM, so that serialized memory errors can be retrieved and saved as a file in pstore file system. While the serialized errors is retrieved from ERST backend, kick ghes_report_chain notifier. Signed-off-by: Shuai Xue --- drivers/acpi/apei/erst.c | 5 +++++ fs/pstore/platform.c | 1 + include/linux/pstore.h | 3 +++ 3 files changed, 9 insertions(+) diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index f789e3df73a9..665b8f93dab3 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -26,6 +26,7 @@ #include #include /* kvfree() */ #include +#include /* only define CREATE_TRACE_POINTS once */ #include @@ -1068,6 +1069,10 @@ static ssize_t erst_reader(struct pstore_record *record) else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_MCE)) { trace_mce_record((struct mce *)rcd->data); record->type = PSTORE_TYPE_MCE; + } else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SEC_PLATFORM_MEM)) { + record->type = PSTORE_TYPE_CPER_MEM; + arch_apei_report_mem_error(0x2, (struct cper_sec_mem_err *)rcd->data); + atomic_notifier_call_chain(&ghes_report_chain, 0x2, rcd->data); } else record->type = PSTORE_TYPE_MAX; diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index e5bca9a004cc..4e63ac8be755 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -51,6 +51,7 @@ static const char * const pstore_type_names[] = { "powerpc-common", "pmsg", "powerpc-opal", + "cper-mem", }; static int pstore_new_entry; diff --git a/include/linux/pstore.h b/include/linux/pstore.h index ad44b3baf10e..d18ecaacd1b5 100644 --- a/include/linux/pstore.h +++ b/include/linux/pstore.h @@ -40,6 +40,9 @@ enum pstore_type_id { PSTORE_TYPE_PMSG = 7, PSTORE_TYPE_PPC_OPAL = 8, + /* APEI section */ + PSTORE_TYPE_CPER_MEM = 9, + /* End of the list */ PSTORE_TYPE_MAX };