MSRIO.hpp

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/*
 * Copyright (c) 2015 - 2024 Intel Corporation
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef MSRIO_HPP_INCLUDE
#define MSRIO_HPP_INCLUDE
 
#include <cstdint>
#include <vector>
#include <memory>
 
namespace geopm
{
    class MSRIO
    {
        public:
            enum m_driver_e {
                M_DRIVER_MSRSAFE,
                M_DRIVER_MSR,
                M_NUM_DRIVER,
            };
 
            MSRIO() = default;
            virtual ~MSRIO() = default;
            virtual uint64_t read_msr(int cpu_idx,
                                      uint64_t offset) = 0;
            virtual void write_msr(int cpu_idx,
                                   uint64_t offset,
                                   uint64_t raw_value,
                                   uint64_t write_mask) = 0;
            virtual int create_batch_context(void) = 0;
            virtual int add_read(int cpu_idx, uint64_t offset) = 0;
            virtual int add_read(int cpu_idx, uint64_t offset, int batch_ctx) = 0;
            virtual void read_batch(void) = 0;
            virtual void read_batch(int batch_ctx) = 0;
            virtual int add_write(int cpu_idx, uint64_t offset) = 0;
            virtual int add_write(int cpu_idx, uint64_t offset, int batch_ctx) = 0;
            virtual void adjust(int batch_idx,
                                uint64_t value,
                                uint64_t write_mask) = 0;
            virtual void adjust(int batch_idx,
                                uint64_t value,
                                uint64_t write_mask,
                                int batch_ctx) = 0;
            virtual uint64_t sample(int batch_idx) const = 0;
            virtual uint64_t sample(int batch_idx, int batch_ctx) const = 0;
            virtual void write_batch(void) = 0;
            virtual void write_batch(int batch_ctx) = 0;
            static std::unique_ptr<MSRIO> make_unique(int driver_type);
            virtual uint64_t system_write_mask(uint64_t offset) = 0;
    };
}
 
#endif