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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 BL6PEPF0001AB4D.mail.protection.outlook.com (10.167.242.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7202.16 via Frontend Transport; Mon, 15 Jan 2024 17:20:38 +0000 Received: from bcheatha-HP-EliteBook-845-G8-Notebook-PC.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 15.1.2507.34; Mon, 15 Jan 2024 11:20:36 -0600 From: Ben Cheatham To: , , , , , , , CC: , , Subject: [PATCH v9 1/5] cxl, ACPI, APEI, EINJ: Add CXL_EINJ Kconfig option Date: Mon, 15 Jan 2024 11:20:03 -0600 Message-ID: <20240115172007.309547-2-Benjamin.Cheatham@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240115172007.309547-1-Benjamin.Cheatham@amd.com> References: <20240115172007.309547-1-Benjamin.Cheatham@amd.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: BL6PEPF0001AB4D:EE_|SN7PR12MB7178:EE_ X-MS-Office365-Filtering-Correlation-Id: 4ad1a214-eed0-4b48-d7eb-08dc15ee4b4e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2024 17:20:38.9157 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4ad1a214-eed0-4b48-d7eb-08dc15ee4b4e 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: BL6PEPF0001AB4D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7178 Add CONFIG_CXL_EINJ to cxl/Kconfig. This option will allow for the CXL core module to access helpers inside the EINJ module, while also giving users the option of disabling CXL EINJ error types at build time. Also update CONFIG_ACPI_APEI_EINJ to set CONFIG_CXL_EINJ by default. Signed-off-by: Ben Cheatham --- drivers/cxl/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig index 67998dbd1d46..95f215a2e5dc 100644 --- a/drivers/cxl/Kconfig +++ b/drivers/cxl/Kconfig @@ -157,4 +157,16 @@ config CXL_PMU monitoring units and provide standard perf based interfaces. If unsure say 'm'. + +config CXL_EINJ + bool "CXL Error INJection Support" + default ACPI_APEI_EINJ + depends on ACPI_APEI_EINJ >= CXL_BUS + help + Support for CXL protocol Error INJection through debugfs/cxl. + Availability and which errors are supported is dependent on + the host platform. Look to ACPI v6.5 section 18.6.4 and kernel + EINJ documentation for more information. + + If unsure say 'n' endif