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Wysocki" , CC: Deepak Sharma , Alex Deucher , Mario Limonciello , Steven Noonan , Nathan Fontenot , Jinzhou Su , Xiaojian Du , Perry Yuan , Jassmine Meng , Borislav Petkov , Peter Zijlstra , Ingo Molnar , Viresh Kumar , Steven Rostedt , "Giovanni Gherdovich" , , Huang Rui Subject: [PATCH v7 06/10] cpupower: Add AMD P-State sysfs definition and access helper Date: Tue, 22 Feb 2022 23:34:22 +0800 Message-ID: <20220222153426.2216974-7-ray.huang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220222153426.2216974-1-ray.huang@amd.com> References: <20220222153426.2216974-1-ray.huang@amd.com> 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-Office365-Filtering-Correlation-Id: 7cde8743-5e5f-4064-ab35-08d9f618eefa X-MS-TrafficTypeDiagnostic: MN2PR12MB3088:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230001)(4636009)(36840700001)(46966006)(40470700004)(186003)(16526019)(1076003)(26005)(426003)(336012)(70206006)(54906003)(2616005)(316002)(356005)(2906002)(81166007)(70586007)(40460700003)(36756003)(86362001)(47076005)(7416002)(8936002)(83380400001)(82310400004)(36860700001)(508600001)(4326008)(8676002)(6666004)(110136005)(5660300002)(7696005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Feb 2022 15:35:19.7751 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7cde8743-5e5f-4064-ab35-08d9f618eefa 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: DM6NAM11FT056.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3088 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Introduce the marco definitions and access helper function for AMD P-State sysfs interfaces such as each performance goals and frequency levels in amd helper file. They will be used to read the sysfs attribute from AMD P-State cpufreq driver for cpupower utilities. Signed-off-by: Huang Rui --- tools/power/cpupower/utils/helpers/amd.c | 30 ++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index 97f2c857048e..4d45d1b44164 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -8,7 +8,10 @@ #include #include "helpers/helpers.h" +#include "cpufreq.h" +#include "acpi_cppc.h" +/* ACPI P-States Helper Functions for AMD Processors ***************/ #define MSR_AMD_PSTATE_STATUS 0xc0010063 #define MSR_AMD_PSTATE 0xc0010064 #define MSR_AMD_PSTATE_LIMIT 0xc0010061 @@ -146,4 +149,31 @@ int amd_pci_get_num_boost_states(int *active, int *states) pci_cleanup(pci_acc); return 0; } + +/* ACPI P-States Helper Functions for AMD Processors ***************/ + +/* AMD P-State Helper Functions ************************************/ +enum amd_pstate_value { + AMD_PSTATE_HIGHEST_PERF, + AMD_PSTATE_MAX_FREQ, + AMD_PSTATE_LOWEST_NONLINEAR_FREQ, + MAX_AMD_PSTATE_VALUE_READ_FILES, +}; + +static const char *amd_pstate_value_files[MAX_AMD_PSTATE_VALUE_READ_FILES] = { + [AMD_PSTATE_HIGHEST_PERF] = "amd_pstate_highest_perf", + [AMD_PSTATE_MAX_FREQ] = "amd_pstate_max_freq", + [AMD_PSTATE_LOWEST_NONLINEAR_FREQ] = "amd_pstate_lowest_nonlinear_freq", +}; + +static unsigned long amd_pstate_get_data(unsigned int cpu, + enum amd_pstate_value value) +{ + return cpufreq_get_sysfs_value_from_table(cpu, + amd_pstate_value_files, + value, + MAX_AMD_PSTATE_VALUE_READ_FILES); +} + +/* AMD P-State Helper Functions ************************************/ #endif /* defined(__i386__) || defined(__x86_64__) */