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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: LzSGrqusEDQtCNtbUQ6Sas90MTifYMKtnDfIuMA2H4MwoYjOD3znAFIBA30/+9lExa84obqcmesFDgubcPwbhxmQRcZBP9jLGBfjuSvAc3rXCDrX8Bl/wbpxryeWJ13jB99eb1VgYtFue+NUT47gJOYwep9KdVBwUPQUP8CZ/Ine1eYL99FZ6wvtd1wvyjnUQsToP62rzJ5qUigNb9zdT9BqLZHRY5TOAW7QAG5m1PWHR4qm+XEK9LoY/wpIfTHacsj+e9fF3BNrpzgQMzIbH6nFmD0REc1PBfXOiNi60U+HtIRbyX6KfJvO/ZKH+paaSMRiyaZhegiu5twqSVOobv4QMxtFqz1kj2ANIrI60p8HThZwFbuClhusOHFsrFxzjsGEDv5wFJYoJ6OkuX6jMihOpPs8mIptaKdX3CLPHdKboVueooOJa1FGtaBAeAaa X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Oct 2026 09:30:04.0127 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f6d015f5-5e1d-4cd1-a00a-08df251ebbd6 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF0001806E.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PPF7D094C5BF From: Suma Hegde This series introduces per-socket read/write enabled-message bitmaps so the HSMP driver rejects unsupported messages before they reach the SMU. Prep patches fix sock_ind bounds checking, move proto_ver onto hsmp_socket, and reorder helpers for the validation path. Later patches populate the bitmaps statically and via HSMP_GET_ENABLED_HSMP_CMDS (6th Gen AMD EPYC Server and future platforms), and update sysfs/hwmon file modes from the bitmaps. Client platforms skip bitmap init, populate, and validation until dedicated client tables exist; shared smu_fw_version and protocol_version sysfs attributes remain visible there. Patch summary: 01/11 platform/x86/amd/hsmp: Fix sock_ind bounds check in is_bin_visible 02/11 platform/x86/amd/hsmp: Move proto_ver to hsmp_socket structure 03/11 platform/x86/amd/hsmp: Null-check drvdata in hsmp_is_sock_attr_visible() 04/11 platform/x86/amd/hsmp: Move is_get_msg() before validate_message() 05/11 platform/x86/amd/hsmp: Use local sock pointer in init_acpi() 06/11 platform/x86/amd/hsmp: Move the sock_ind bound check before validate_message() 07/11 platform/x86/amd/hsmp: Add per-platform bitmap to validate HSMP messages 08/11 platform/x86/amd/hsmp: Populate the bitmaps dynamically on 6th Gen AMD EPYC Server 09/11 platform/x86/amd/hsmp: Populate the bitmaps dynamically for future platforms 10/11 platform/x86/amd/hsmp: Relocate to_hsmp_sys_attr() macro 11/11 platform/x86/amd/hsmp: Update sysfs and hwmon file modes based on platform capabilities Signed-off-by: Suma Hegde Signed-off-by: Muthusamy Ramalingam Suma Hegde (11): platform/x86/amd/hsmp: Fix sock_ind bounds check in is_bin_visible platform/x86/amd/hsmp: Move proto_ver to hsmp_socket structure platform/x86/amd/hsmp: Null-check drvdata in hsmp_is_sock_attr_visible() platform/x86/amd/hsmp: Move is_get_msg() before validate_message() platform/x86/amd/hsmp: Use local sock pointer in init_acpi() platform/x86/amd/hsmp: Move the sock_ind bound check before validate_message() platform/x86/amd/hsmp: Add per-platform bitmap to validate HSMP messages platform/x86/amd/hsmp: Populate the bitmaps dynamically on 6th Gen AMD EPYC Server platform/x86/amd/hsmp: Populate the bitmaps dynamically for future platforms platform/x86/amd/hsmp: Relocate to_hsmp_sys_attr() macro platform/x86/amd/hsmp: Update sysfs and hwmon file modes based on platform capabilities drivers/platform/x86/amd/hsmp/acpi.c | 92 ++++++++++-- drivers/platform/x86/amd/hsmp/hsmp.c | 203 ++++++++++++++++++++++++-- drivers/platform/x86/amd/hsmp/hsmp.h | 29 +++- drivers/platform/x86/amd/hsmp/hwmon.c | 24 ++- drivers/platform/x86/amd/hsmp/plat.c | 26 +++- 5 files changed, 339 insertions(+), 35 deletions(-) This is rebased on below patchset: https://lore.kernel.org/platform-driver-x86/20260924154947.1706669-1-muralidhara.mk@amd.com/T/#t [PATCH v7 0/4] platform/x86/amd/hsmp: Family 1Ah client support by Muralidhar M K -- 2.34.1