From patchwork Thu Nov 16 22:47:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avadhut Naik X-Patchwork-Id: 165961 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9910:0:b0:403:3b70:6f57 with SMTP id i16csp163907vqn; Thu, 16 Nov 2023 14:48:58 -0800 (PST) X-Google-Smtp-Source: AGHT+IG07eWZNLtIrWlsSR1Bdx/v/0Ys2D8X0LvwtvCJUolBLRbeoB7OIFvbz7roDBzTFiJgtulM X-Received: by 2002:a05:6830:3147:b0:6d6:5382:159c with SMTP id c7-20020a056830314700b006d65382159cmr13943514ots.24.1700174938626; Thu, 16 Nov 2023 14:48:58 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1700174938; cv=pass; d=google.com; s=arc-20160816; b=dXhNUDhulMSFJpawFC8bZhVwscIR6TbqPp209w4ProGySl8Sm2hzzi0tdf7KjpY6V1 BQ/ab2A+M3HrNG9AhkvgFNwPeD3zIQ+Ccfn9SgELdIeJ7sy7/cNrBovv0xQ3zDseVu+B x0VqLz/S2oczPr3mt5/3pPfzUbRXYKf7y1iXgYug9kyQSZWZ/P4nkwWJm7YlTQmifcDD YoA48U7Bm4JeU18OViIgJWjL9WXpuz1S5HM/YdmTTQosydkmhWA3fDM2HFvzpr3lRRf/ WbrdCvWv1sa3FIRWc854oTLKCUR0VaYKHVwYbhOElWBNCxh+WvGdpcEIVvNbzwW6dRXw Djfw== ARC-Message-Signature: i=2; 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 :dkim-signature; bh=omJlRKVfpieNt846Bar2DR6ki/tbXKN+YptVuZleYX0=; fh=lCqb0epcnmMKie6kWij55va0cZqOJzoAx+a44+1OOtg=; b=DtHvwBchX3rb0XyBHo0U+c1U5leNrOPOAjxb7iHIB9TnEkEZADP5sxPHcvda+RzUCB azsLxxi74xGWWeCWst2elS15EfZx6ryAujyBluVmvXNTn9Sroh8q4ZhLqs8E637uCZI4 EciM3/ZtleqzRbBBKKalYAk5ndETpelsa92tKUVPYA2NFXNJCxd29Y/eabfiEzkx5lPF AMV9ypu4v5lJp5ZfY73LYUpK6Eh2AQI6KSuW+Hm679sN1bNNcZxzEpn7/vHqVp1vg8zr LvlKFU5mA3cfTg13w+AjpLp7vVEdi4z7KPJ73Z6HExFmFtdjClj1W48sSn809m9q6UW1 nNLg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=r1Ga0GcJ; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from agentk.vger.email (agentk.vger.email. [2620:137:e000::3:2]) by mx.google.com with ESMTPS id b1-20020a6567c1000000b005bd42f6085fsi450877pgs.344.2023.11.16.14.48.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 14:48:58 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=r1Ga0GcJ; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 3E6FE8093D4A; Thu, 16 Nov 2023 14:48:56 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345532AbjKPWsi (ORCPT + 30 others); Thu, 16 Nov 2023 17:48:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234605AbjKPWsf (ORCPT ); Thu, 16 Nov 2023 17:48:35 -0500 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2040.outbound.protection.outlook.com [40.107.236.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB90DD67; Thu, 16 Nov 2023 14:48:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YtaehLBqPOiwavEvCkKEn1b1lLY6MG9j0tjTtUZqFsA65x5pB4pzywbX4q4I10H2rwUzLu+E7+LiDS8Ew0eMn49x/34sE0eRaLtOaWf9ulNfkUaWAq43Hra637CulHP+Rg2uAyy2KQshSN8C0oWYsc13ZqFmXkylFsXb1usr25rTh2sJxkJZGiCxBpXdqQuptZWWKpZ5jtsYvlVI46LUiA9p0XEA9PYkf2dzptcyums6cHG+6AkITBnFBSNKDWmH7p/+F36ZtGbeDaP0XEH0PAKUFWAtlOT+uASS6w7eJxZ0QE2PBdbw9JmMdLXVZuXuVg5NycwDMJfvyJ79lkc+9A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=omJlRKVfpieNt846Bar2DR6ki/tbXKN+YptVuZleYX0=; b=iDt02Fl4RYmdgj6NH6F1mzYLc9KNKRkjoeQaG10mHuxK3b69HoiECETvYz9I2cEPShNKNzgquBCgt/AeQStVICtTP1T/bg31XEDkGwa2TJB8ydW1uQQCIXZcBQQ+jKQtW9MckwcComjKfE8JCMgB9GOKDXHykoUluvNQJxnisq/1w4C/5mi4F3JhH6eX81TTDB959Y31rG5pGq6GK+kNY8AGQxk+I3pmTl9VcrSKxnfRlGPyNmYtnoCLhYYwSjuEhCwzgJ0k453CG9L6FJ5+vFWhAqEgDgwGjkboqdUshOdss8NO1WlwE2IX/8J+jpiIzQqmQuogN8a9fKVP7yMHDw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=omJlRKVfpieNt846Bar2DR6ki/tbXKN+YptVuZleYX0=; b=r1Ga0GcJOspXEh7PVcA3SEL6VXOJfrqK0BFbZMZYNyMWDJ30XkwTUjXKxIVSSckuGxw8f9jVeoOcpq38Ml+sAirX5Uc1nFgY62tbVEVuo0sKQ9WraSRFzYGXbIFI0/TlyVftOA+PqtqwoM9m+2EfhrLdpJw165IFrVp9z6qAq3Q= Received: from SN7PR04CA0016.namprd04.prod.outlook.com (2603:10b6:806:f2::21) by PH0PR12MB8097.namprd12.prod.outlook.com (2603:10b6:510:295::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7002.17; Thu, 16 Nov 2023 22:48:28 +0000 Received: from SA2PEPF00001505.namprd04.prod.outlook.com (2603:10b6:806:f2:cafe::66) by SN7PR04CA0016.outlook.office365.com (2603:10b6:806:f2::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7002.21 via Frontend Transport; Thu, 16 Nov 2023 22:48:28 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SA2PEPF00001505.mail.protection.outlook.com (10.167.242.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7002.20 via Frontend Transport; Thu, 16 Nov 2023 22:48:28 +0000 Received: from titanite-d354host.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Thu, 16 Nov 2023 16:48:26 -0600 From: Avadhut Naik To: , CC: , , , , , , , , , Subject: [PATCH v6 4/4] ACPI: APEI: EINJ: Add support for vendor defined error types Date: Thu, 16 Nov 2023 16:47:25 -0600 Message-ID: <20231116224725.3695952-5-avadhut.naik@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231116224725.3695952-1-avadhut.naik@amd.com> References: <20231116224725.3695952-1-avadhut.naik@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001505:EE_|PH0PR12MB8097:EE_ X-MS-Office365-Filtering-Correlation-Id: 35063208-6ac0-4c8e-ede7-08dbe6f62659 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(136003)(376002)(39860400002)(346002)(230922051799003)(1800799009)(186009)(64100799003)(82310400011)(451199024)(40470700004)(36840700001)(46966006)(2616005)(426003)(336012)(40460700003)(1076003)(82740400003)(8936002)(26005)(16526019)(478600001)(4326008)(36756003)(44832011)(8676002)(86362001)(41300700001)(5660300002)(110136005)(70586007)(70206006)(54906003)(316002)(2906002)(36860700001)(7696005)(47076005)(40480700001)(356005)(81166007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Nov 2023 22:48:28.2203 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 35063208-6ac0-4c8e-ede7-08dbe6f62659 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001505.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8097 X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED 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]); Thu, 16 Nov 2023 14:48:56 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782762636384376595 X-GMAIL-MSGID: 1782762636384376595 From: Avadhut Naik Vendor-Defined Error types are supported by the platform apart from standard error types if bit 31 is set in the output of GET_ERROR_TYPE Error Injection Action.[1] While the errors themselves and the length of their associated "OEM Defined data structure" might vary between vendors, the physical address of this structure can be computed through vendor_extension and length fields of "SET_ERROR_TYPE_WITH_ADDRESS" and "Vendor Error Type Extension" Structures respectively.[2][3] Currently, however, the einj module only computes the physical address of Vendor Error Type Extension Structure. Neither does it compute the physical address of OEM Defined structure nor does it establish the memory mapping required for injecting Vendor-defined errors. Consequently, userspace tools have to establish the very mapping through /dev/mem, nopat kernel parameter and system calls like mmap/munmap initially before injecting Vendor-defined errors. Circumvent the issue by computing the physical address of OEM Defined data structure and establishing the required mapping with the structure. Create a new file "oem_error", if the system supports Vendor-defined errors, to export this mapping, through debugfs_create_blob(). Userspace tools can then populate their respective OEM Defined structure instances and just write to the file as part of injecting Vendor-defined Errors. Similarly, the tools can also read from the file if the system firmware provides some information through the OEM defined structure after error injection. [1] ACPI specification 6.5, section 18.6.4 [2] ACPI specification 6.5, Table 18.31 [3] ACPI specification 6.5, Table 18.32 Suggested-by: Yazen Ghannam Signed-off-by: Avadhut Naik Reviewed-by: Tony Luck Reviewed-by: Borislav Petkov (AMD) --- drivers/acpi/apei/einj.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 506fe319379f..89fb9331c611 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -73,6 +73,7 @@ static u32 notrigger; static u32 vendor_flags; static struct debugfs_blob_wrapper vendor_blob; +static struct debugfs_blob_wrapper vendor_errors; static char vendor_dev[64]; /* @@ -182,6 +183,21 @@ static int einj_timedout(u64 *t) return 0; } +static void get_oem_vendor_struct(u64 paddr, int offset, + struct vendor_error_type_extension *v) +{ + unsigned long vendor_size; + u64 target_pa = paddr + offset + sizeof(struct vendor_error_type_extension); + + vendor_size = v->length - sizeof(struct vendor_error_type_extension); + + if (vendor_size) + vendor_errors.data = acpi_os_map_memory(target_pa, vendor_size); + + if (vendor_errors.data) + vendor_errors.size = vendor_size; +} + static void check_vendor_extension(u64 paddr, struct set_error_type_with_address *v5param) { @@ -194,6 +210,7 @@ static void check_vendor_extension(u64 paddr, v = acpi_os_map_iomem(paddr + offset, sizeof(*v)); if (!v) return; + get_oem_vendor_struct(paddr, offset, v); sbdf = v->pcie_sbdf; sprintf(vendor_dev, "%x:%x:%x.%x vendor_id=%x device_id=%x rev_id=%x\n", sbdf >> 24, (sbdf >> 16) & 0xff, @@ -596,6 +613,7 @@ static struct { u32 mask; const char *str; } const einj_error_type_string[] = { { BIT(15), "CXL.mem Protocol Correctable" }, { BIT(16), "CXL.mem Protocol Uncorrectable non-fatal" }, { BIT(17), "CXL.mem Protocol Uncorrectable fatal" }, + { BIT(31), "Vendor Defined Error Types" }, }; static int available_error_type_show(struct seq_file *m, void *v) @@ -768,6 +786,10 @@ static int __init einj_init(void) einj_debug_dir, &vendor_flags); } + if (vendor_errors.size) + debugfs_create_blob("oem_error", 0600, einj_debug_dir, + &vendor_errors); + pr_info("Error INJection is initialized.\n"); return 0; @@ -793,6 +815,8 @@ static void __exit einj_exit(void) sizeof(struct einj_parameter); acpi_os_unmap_iomem(einj_param, size); + if (vendor_errors.size) + acpi_os_unmap_memory(vendor_errors.data, vendor_errors.size); } einj_exec_ctx_init(&ctx); apei_exec_post_unmap_gars(&ctx);