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Wysocki" , Viresh Kumar , Shuah Khan , "Borislav Petkov" , Peter Zijlstra , Ingo Molnar , Giovanni Gherdovich , CC: Deepak Sharma , Alex Deucher , Mario Limonciello , Steven Noonan , Nathan Fontenot , Jinzhou Su , Xiaojian Du , , , Huang Rui Subject: [PATCH v5 18/22] cpupower: add amd-pstate sysfs definition and access helper Date: Tue, 30 Nov 2021 20:36:37 +0800 Message-ID: <20211130123641.1449041-19-ray.huang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211130123641.1449041-1-ray.huang@amd.com> References: <20211130123641.1449041-1-ray.huang@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0a79cbbd-aa6b-4955-c17d-08d9b3fe4c6d X-MS-TrafficTypeDiagnostic: DM6PR12MB4484: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5797; 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:(4636009)(36840700001)(46966006)(40470700001)(40460700001)(316002)(16526019)(5660300002)(86362001)(186003)(1076003)(2616005)(6666004)(336012)(426003)(54906003)(4326008)(110136005)(82310400004)(47076005)(36756003)(70206006)(83380400001)(8936002)(356005)(81166007)(2906002)(36860700001)(70586007)(508600001)(7696005)(7416002)(26005)(8676002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2021 12:38:23.4522 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0a79cbbd-aa6b-4955-c17d-08d9b3fe4c6d 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: BN8NAM11FT064.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4484 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Introduce the marco definitions and access helper function for amd-pstate 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-pstate 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..14c658daba4b 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-States 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-States Helper Functions ***************/ #endif /* defined(__i386__) || defined(__x86_64__) */