SSTControl.hpp

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/*
 * Copyright (c) 2015 - 2024 Intel Corporation
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef SSTCONTROL_HPP_INCLUDE
#define SSTCONTROL_HPP_INCLUDE
 
#include <memory>
#include <cstdint>
 
#include "Control.hpp"
 
namespace geopm
{
    class SSTIO;
 
    class SSTControl : public geopm::Control
    {
        public:
            enum ControlType
            {
                M_MBOX, // SST Mailbox interface
                M_MMIO  // SST MMIO interface
            };
 
            SSTControl(std::shared_ptr<SSTIO> sstio, ControlType control_type,
                       int cpu_idx, uint32_t command, uint32_t subcommand,
                       uint32_t interface_parameter, uint32_t write_value, uint32_t begin_bit,
                       uint32_t end_bit, double scale, uint32_t rmw_subcommand,
                       uint32_t rmw_interface_parameter, uint32_t rmw_read_mask);
            virtual ~SSTControl() = default;
            void setup_batch(void) override;
            void adjust(double value) override;
            void write(double value) override;
            void save(void) override;
            void restore(void) override;
            void set_write_dependency(uint64_t trigger_value, std::weak_ptr<geopm::Control> dependency, uint64_t dependency_write_value);
 
            private:
                std::shared_ptr<SSTIO> m_sstio;
                const ControlType m_control_type;
                const int m_cpu_idx;
                const uint32_t m_command;
                const uint32_t m_subcommand;
                const uint32_t m_interface_parameter;
                const uint32_t m_write_value;
                int m_adjust_idx;
                const int m_shift;
                const int m_num_bit;
                const uint64_t m_mask;
                const uint32_t m_rmw_subcommand;
                const uint32_t m_rmw_interface_parameter;
                const uint32_t m_rmw_read_mask;
                const double m_multiplier;
                uint32_t m_saved_value;
 
                uint64_t m_trigger_write_value;
                std::weak_ptr<geopm::Control> m_dependency;
                uint64_t m_dependency_write_value;
    };
}
 
#endif