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Mon, 2 Nov 2026 01:20:10 -0600 From: Muthusamy Ramalingam To: CC: , , , Muthusamy Ramalingam Subject: [PATCH 00/26] platform/x86/amd/hsmp: Extend socket and per-CPU sysfs Date: Mon, 2 Nov 2026 07:18:58 +0000 Message-ID: X-Mailer: git-send-email 2.25.1 X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000037A2:EE_|SA0PR12MB4366:EE_ X-MS-Office365-Filtering-Correlation-Id: fb06b981-1fab-48e6-9656-08df38b1bc32 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|36860700016|82310400026|1800799024|376014|261021123027099003|261021121427099003|261022105027099003|261022075727099003|261009223027099003|261026121527099003|261026140227099003|261028144727099003|11063799006|10067099003|56012099006|18002099003|13003099007|3023799007; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: yy2T/1+i8FupVkvGkqeZOiKBPyDRPnOgm3549HDWTl8jEz8T5lR5HkcAbDIS9tzNinN2an29WncgCAgSSxzS8+HNe+X9sUIIgymkOT7FL8x6XJqdQqu7tIGw902ru2KbNoZvS6AE2myLkvSSl7HulJhQM9zrjkQu2gbYakKygCIUU/yQVxrUJWDlsA7Tn0pD6TkHQeUA3G0ag6kvAMHX3BrLKdXIrvc1H0PrR4b1M1M5Si7mBqAUItLQxgQ831xCiPcca86BZtUKTK8ES9edcqOLgrXRICCjUXezmpjA93gUyfycxUtGeM2+WgVDMKfnnJ+7wXfqNfK+/bitMYakErml39rub7J3FFOwpByylvK1suf07IzlqCFY8XE2yYmHg0vT7z8VUzuBiSpNt/s2WngArofmE6hr8ApzG1xWXNl4Gxscb21DD+2a5H8XBYnd X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Nov 2026 07:20:12.6400 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fb06b981-1fab-48e6-9656-08df38b1bc32 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: SJ1PEPF000037A2.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4366 This series extends the AMD HSMP sysfs interface on both the ACPI and platform drivers. It starts with socket attribute naming cleanup and a parser-friendly store error helper, then adds the remaining message-backed socket and per-CPU attributes used on server platforms. Later patches cover link/bandwidth, DIMM, SVI3, power-efficiency, and per-CPU files. Attribute visibility follows the enabled-message bitmaps. Probe-time discovery for optional DIMM/IO/xGMI hardware is quieted so expected firmware misses do not flood dmesg. The series ends with socket_temperature (HSMP_GET_TEMP_MONITOR). Muthusamy Ramalingam (26): platform/x86/amd/hsmp: Drop _input from socket sysfs names platform/x86/amd/hsmp: Rename clk_fmax and clk_fmin sysfs files platform/x86/amd/hsmp: Add hsmp_err helper for parser-friendly store errors platform/x86/amd/hsmp: Treat socket_power_limit as firmware-clamped platform/x86/amd/hsmp: Print protocol_version as hexadecimal platform/x86/amd/hsmp: Add sdps_limit sysfs file platform/x86/amd/hsmp: Add df_pstate_range sysfs file platform/x86/amd/hsmp: Add xgmi_width sysfs file platform/x86/amd/hsmp: Add gmi3_link_width sysfs file platform/x86/amd/hsmp: Add pcie_link_rate sysfs file platform/x86/amd/hsmp: Add lclk DPM sysfs files platform/x86/amd/hsmp: Add io_bw and xgmi_bw sysfs files platform/x86/amd/hsmp: Add DIMM sideband sysfs files platform/x86/amd/hsmp: Add per-CPU floor limit sysfs files platform/x86/amd/hsmp: Add metric_version sysfs file platform/x86/amd/hsmp: Add enabled command sysfs files platform/x86/amd/hsmp: Add DIMM power and temperature sysfs files platform/x86/amd/hsmp: Add SVI3 temperature sysfs files platform/x86/amd/hsmp: Add cclk_floor_limit sysfs file platform/x86/amd/hsmp: Add xgmi_pstate_range sysfs file platform/x86/amd/hsmp: Quiet probe-time firmware status dmesg spam platform/x86/amd/hsmp: Add powereff_mode sysfs file platform/x86/amd/hsmp: Add svi_power sysfs file platform/x86/amd/hsmp: Add per-CPU ccd_power sysfs file platform/x86/amd/hsmp: Add per-CPU freq_limit sysfs file platform/x86/amd/hsmp: Add socket_temperature sysfs file Documentation/arch/x86/amd_hsmp.rst | 116 +- arch/x86/include/asm/amd/hsmp.h | 7 + arch/x86/include/uapi/asm/amd_hsmp.h | 11 +- drivers/platform/x86/amd/hsmp/acpi.c | 645 ++++++- drivers/platform/x86/amd/hsmp/hsmp.c | 298 +++- drivers/platform/x86/amd/hsmp/hsmp.h | 31 + drivers/platform/x86/amd/hsmp/plat.c | 2346 +++++++++++++++++++++++-- drivers/platform/x86/amd/hsmp/sysfs.c | 1858 +++++++++++++++++++- drivers/platform/x86/amd/hsmp/sysfs.h | 116 +- 9 files changed, 5260 insertions(+), 168 deletions(-) This series is rebased on top of https://lore.kernel.org/platform-driver-x86/20261014111430.23156-1-suma.hegde@amd.com/T/#t -- 2.34.1