TheRock/rocm-systems/projects/rdc/include/rdc_lib/impl/RdcConfigSettingsImpl.h

/*
Copyright (c) 2024 - present Advanced Micro Devices, Inc. All rights reserved.

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*/
#ifndef INCLUDE_RDC_LIB_IMPL_RDCCONFIGSETTINGSIMPL_H_
#define INCLUDE_RDC_LIB_IMPL_RDCCONFIGSETTINGSIMPL_H_

#include <atomic>
#include <condition_variable>
#include <mutex>  // NOLINT
#include <thread>
#include <unordered_map>

#include "rdc_lib/RdcConfigSettings.h"
#include "rdc_lib/RdcGroupSettings.h"

namespace amd {
namespace rdc {

class RdcConfigSettingsImpl : public RdcConfigSettings {
 public:
  // Set one configure
  rdc_status_t rdc_config_set(rdc_gpu_group_t group_id, rdc_config_setting_t setting) override;

  // Get the setting
  rdc_status_t rdc_config_get(rdc_gpu_group_t group_id,
                              rdc_config_setting_list_t* settings) override;

  // clear the setting
  rdc_status_t rdc_config_clear(rdc_gpu_group_t group_id) override;

  explicit RdcConfigSettingsImpl(const RdcGroupSettingsPtr& group_settings);

 private:
  RdcGroupSettingsPtr group_settings_;
  std::unordered_map<rdc_gpu_group_t, std::unordered_map<rdc_config_type_t, rdc_config_setting_t>>
      cached_group_settings_;
  std::thread monitor_thread_;
  std::mutex mutex_;              // Mutex for cached_group_settings_
  std::atomic<bool> is_running_;  // Bool for  if the thread should keep running
  std::condition_variable cv_;

  // monitorSettings() is kicked off from the RdcConfigSettingsImpl constructor as it's own thread
  // Every minute, it will check if gpu settings from amdsmi are the same as inside
  // cached_group_settings_ If not, it sets the mismatched values to the value in
  // cached_group_settings_
  void monitorSettings();
  uint64_t wattsToMicrowatts(uint64_t watts) const;
  uint64_t microwattsToWatts(int microwatts) const;
  uint64_t mHzToHz(uint64_t mhz) const;
  rdc_status_t get_group_info(rdc_gpu_group_t group_id, rdc_group_info_t* rdc_group_info);
};

}  // namespace rdc
}  // namespace amd

#endif  // INCLUDE_RDC_LIB_IMPL_RDCCONFIGSETTINGSIMPL_H_