UncoreFreqSysfsDriver.hpp

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/*
 * Copyright (c) 2015 - 2025 Intel Corporation
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef UNCOREFREQSYSFSDRIVER_HPP_INCLUDE
#define UNCOREFREQSYSFSDRIVER_HPP_INCLUDE
 
#include "SysfsDriver.hpp"
#include "geopm/IOGroup.hpp"
 
namespace geopm
{
    class UncoreFreqSysfsDriver : public SysfsDriver
    {
        public:
            UncoreFreqSysfsDriver();
            UncoreFreqSysfsDriver(const std::string &uncore_directory);
            virtual ~UncoreFreqSysfsDriver() = default;
            int domain_type(const std::string &name) const override;
            std::string attribute_path(const std::string &name, int domain_idx) override;
            std::function<double(const std::string &)> signal_parse(const std::string &signal_name) const override;
            std::function<std::string(double)> control_gen(const std::string &control_name) const override;
            std::string driver(void) const override;
            std::map<std::string, properties_s> properties(void) const override;
            static std::string plugin_name(void);
            static std::unique_ptr<IOGroup> make_plugin(void);
 
        private:
            const std::map<std::string, properties_s> M_PROPERTIES;
            const std::string M_UNCORE_DIRECTORY;
            // Package index -> package_*_die_* directory path (fan-out
            // control directory for max/min).
            std::map<int, std::string> m_control_dir_by_package;
            // Package index -> representative uncore* directory path
            // (source for current_freq_khz status).
            std::map<int, std::string> m_status_dir_by_package;
    };
}
 
#endif