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

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

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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*/
#ifndef INCLUDE_RDC_LIB_IMPL_RDCPOLICYIMPL_H_
#define INCLUDE_RDC_LIB_IMPL_RDCPOLICYIMPL_H_

#include <atomic>
#include <future>
#include <map>
#include <memory>
#include <mutex>  // NOLINT
#include <string>
#include <utility>
#include <vector>

#include "amd_smi/amdsmi.h"
#include "rdc_lib/RdcGroupSettings.h"
#include "rdc_lib/RdcMetricFetcher.h"
#include "rdc_lib/RdcPolicy.h"

namespace amd {
namespace rdc {

class RdcPolicyImpl : public RdcPolicy {
 public:
  RdcPolicyImpl(const RdcGroupSettingsPtr& group_settings,
                const RdcMetricFetcherPtr& metric_fetcher);
  ~RdcPolicyImpl();

  rdc_status_t rdc_policy_set(rdc_gpu_group_t group_id, rdc_policy_t policy) override;

  rdc_status_t rdc_policy_get(rdc_gpu_group_t group_id, uint32_t* count,
                              rdc_policy_t policies[RDC_MAX_POLICY_SETTINGS]) override;

  rdc_status_t rdc_policy_delete(rdc_gpu_group_t group_id,
                                 rdc_policy_condition_type_t condition_type) override;

  rdc_status_t rdc_policy_register(rdc_gpu_group_t group_id,
                                   rdc_policy_register_callback callback) override;

  rdc_status_t rdc_policy_unregister(rdc_gpu_group_t group_id) override;

 private:
  RdcGroupSettingsPtr group_settings_;
  RdcMetricFetcherPtr metric_fetcher_;
  std::mutex policy_mutex_;
  std::thread thread_;
  bool start_;

  std::map<rdc_gpu_group_t, std::vector<rdc_policy_t> > settings_;
  std::map<rdc_gpu_group_t, rdc_policy_register_callback> callbacks_;

  void rdc_policy_check_condition();
  void rdc_policy_gpu_reset(uint32_t gpu_index);
  rdc_policy_register_callback rdc_policy_get_callback(rdc_gpu_group_t group_id);
};

}  // namespace rdc
}  // namespace amd

#endif  // INCLUDE_RDC_LIB_IMPL_RDCPOLICYIMPL_H_