//===--- amdgpu/impl/machine.h ------------------------------------ C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef SRC_RUNTIME_INCLUDE_MACHINE_H_
#define SRC_RUNTIME_INCLUDE_MACHINE_H_
#include "atmi.h"
#include "hsa_api.h"
#include "internal.h"
#include <vector>

class ATLMemory;

class ATLProcessor {
public:
  explicit ATLProcessor(hsa_agent_t agent,
                        atmi_devtype_t type = ATMI_DEVTYPE_ALL)
      : agent_(agent), type_(type) {
    memories_.clear();
  }
  void addMemory(const ATLMemory &p);
  hsa_agent_t agent() const { return agent_; }
  const std::vector<ATLMemory> &memories() const;
  atmi_devtype_t type() const { return type_; }

protected:
  hsa_agent_t agent_;
  atmi_devtype_t type_;
  std::vector<ATLMemory> memories_;
};

class ATLCPUProcessor : public ATLProcessor {
public:
  explicit ATLCPUProcessor(hsa_agent_t agent)
      : ATLProcessor(agent, ATMI_DEVTYPE_CPU) {}
};

class ATLGPUProcessor : public ATLProcessor {
public:
  explicit ATLGPUProcessor(hsa_agent_t agent,
                           atmi_devtype_t type = ATMI_DEVTYPE_dGPU)
      : ATLProcessor(agent, type) {}
};

class ATLMemory {
public:
  ATLMemory(hsa_amd_memory_pool_t pool, ATLProcessor p, atmi_memtype_t t)
      : memory_pool_(pool), processor_(p), type_(t) {}
  hsa_amd_memory_pool_t memory() const { return memory_pool_; }

  atmi_memtype_t type() const { return type_; }

private:
  hsa_amd_memory_pool_t memory_pool_;
  ATLProcessor processor_;
  atmi_memtype_t type_;
};

class ATLMachine {
public:
  ATLMachine() {
    cpu_processors_.clear();
    gpu_processors_.clear();
  }
  template <typename T> void addProcessor(const T &p);
  template <typename T> std::vector<T> &processors();

private:
  std::vector<ATLCPUProcessor> cpu_processors_;
  std::vector<ATLGPUProcessor> gpu_processors_;
};

hsa_amd_memory_pool_t get_memory_pool(const ATLProcessor &proc,
                                      const int mem_id);

#endif // SRC_RUNTIME_INCLUDE_MACHINE_H_