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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Sep 2023 07:13:34.9636 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7eb6ed96-2a46-44e7-fc6a-08dbaea8c8d5 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: SA2PEPF00001508.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6762 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org sysfs bin file is added for metrics table information Signed-off-by: Suma Hegde Reviewed-by: Naveen Krishna Chatradhi --- Changes since v1: New patch Documentation/arch/x86/amd_hsmp.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/arch/x86/amd_hsmp.rst b/Documentation/arch/x86/amd_hsmp.rst index 440e4b645a1c..e4f4978f758b 100644 --- a/Documentation/arch/x86/amd_hsmp.rst +++ b/Documentation/arch/x86/amd_hsmp.rst @@ -41,6 +41,22 @@ In-kernel integration: * Locking across callers is taken care by the driver. +HSMP sysfs interface +==================== + +1. Metrics table bin sysfs + +AMD MI300A MCM provides GET_METRICS_TABLE message to retrieve +all the system management information from SMU. + +The metrics table is made available as hexadecimal sysfs binary file +under per socket sysfs directory created at +/sys/devices/platform/amd_hsmp/socket%d/metrics_bin + +Metrics table definitions will be documented as part of Public PPR. +The same is defined in the amd_hsmp.h header. + + An example ========== -- 2.25.1