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Thu, 25 May 2023 20:44:31 +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 CY4PEPF0000C97C.mail.protection.outlook.com (10.167.241.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6433.7 via Frontend Transport; Thu, 25 May 2023 20:44:30 +0000 Received: from onyx-7400host.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 15.1.2375.34; Thu, 25 May 2023 15:44:29 -0500 From: Avadhut Naik To: , , , , CC: , , , Subject: [RFC PATCH v2 0/3] Add support for Vendor Defined Error Types in Einj Module Date: Thu, 25 May 2023 20:44:19 +0000 Message-ID: <20230525204422.4754-1-Avadhut.Naik@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000C97C:EE_|IA0PR12MB7673:EE_ X-MS-Office365-Filtering-Correlation-Id: 9d9e32d8-8103-40b7-0952-08db5d60d726 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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SFS:(13230028)(4636009)(396003)(136003)(346002)(39860400002)(376002)(451199021)(40470700004)(46966006)(36840700001)(40460700003)(336012)(426003)(2616005)(47076005)(83380400001)(2906002)(186003)(16526019)(36756003)(36860700001)(86362001)(82310400005)(356005)(81166007)(40480700001)(82740400003)(70206006)(70586007)(5660300002)(4326008)(6666004)(41300700001)(7696005)(54906003)(316002)(8936002)(1076003)(26005)(8676002)(110136005)(478600001)(36900700001)(2101003); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 May 2023 20:44:30.9957 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9d9e32d8-8103-40b7-0952-08db5d60d726 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: CY4PEPF0000C97C.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7673 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org This patchset adds support for Vendor Defined Error types in the einj module by exporting a binary blob file in module's debugfs directory. Userspace tools can write OEM Defined Structures into the blob file as part of injecting Vendor defined errors. The first patch refactors available_error_type_show() function to ensure all errors supported by the platform are output through einj module's available_error_type file in debugfs. The second patch adds a write callback for binary blobs created through debugfs_create_blob() API. The third adds the required support i.e. establishing the memory mapping and exporting it through debugfs blob file for Vendor-defined Error types. Changes in V2: - Split the v1 patch, as was recommended, to have a seperate patch for changes in debugfs. - Refactored available_error_type_show() function into a seperate patch. - Changed file permissions to octal format to remove checkpatch warnings. Avadhut Naik (3): ACPI: APEI: EINJ: Refactor available_error_type_show() fs: debugfs: Add write functionality to debugfs blobs ACPI: APEI: EINJ: Add support for vendor defined error types drivers/acpi/apei/einj.c | 62 ++++++++++++++++++++++++++-------------- fs/debugfs/file.c | 28 ++++++++++++++---- 2 files changed, 64 insertions(+), 26 deletions(-)