/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of 
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#ifndef INC_FRAMEWORK_MEMORY_MEMORY_API_H_
#define INC_FRAMEWORK_MEMORY_MEMORY_API_H_

#include "ge/ge_api_error_codes.h"
#include "graph/compute_graph.h"
#include "runtime/mem.h"

namespace ge {
enum MemStorageType {
  HBM = 0,
  RDMA_HBM,
  HOST_DDR,
  HOST_SVM,
};

struct HostVarInfo {
  uint64_t base_addr;
  uint64_t var_size;
};

struct TensorInfo {
  std::string var_name;
  std::vector<int64_t> dims;
  DataType data_type;
};

/// \param size [in] rdma pool memory size to be allocated.
/// \param mem_type [in] memory type for rdma pool.
/// \return Status result of function
GE_FUNC_VISIBILITY Status InitRdmaPool(size_t size, rtMemType_t mem_type = RT_MEMORY_HBM);

/// \param var_info [in] host variable addr infos.
/// \param mem_type [in] memory type for rdma pool.
/// \return Status result of function
GE_FUNC_VISIBILITY Status RdmaRemoteRegister(const std::vector<HostVarInfo> &var_info,
                                             rtMemType_t mem_type = RT_MEMORY_HBM);

/// \param tensor_info [in] description for tensor stored shared memory.
/// \param dev_addr [out] malloced shared memory addr.
/// \param memory_size [out] malloced shared memory size.
/// \return Status result of function
GE_FUNC_VISIBILITY Status MallocSharedMemory(const TensorInfo &tensor_info, uint64_t &dev_addr, uint64_t &memory_size);

/// \param var_name [in] var_name name of host variable.
/// \param base_addr [out] base_addr vase addr of host variable.
/// \param var_size [out] var_size memory_size of host variable.
/// \return Status result of function
GE_FUNC_VISIBILITY Status GetVarBaseAddrAndSize(const std::string &var_name, uint64_t &base_addr, uint64_t &var_size);

/// \param var_name [in] var_name name of host variable.
/// \param base_addr [out] base_addr vase addr of host variable.
/// \param var_size [out] var_size memory_size of host variable.
/// \return Status result of function
GE_FUNC_VISIBILITY Status GetVarBaseAddrAndSize(const char_t *var_name,
                                                uint64_t &base_addr,
                                                uint64_t &var_size);

/*
 * @brief
 * @param [in]  graph
 * @param [out] available_mem:graph mem size
 */
GE_FUNC_VISIBILITY Status GetGraphAvailableMemory(const ComputeGraphPtr &graph, uint64_t &available_mem);

/*
 * @brief
 * @param [in]  session_id
 * @param [out] var_size:session variables mem size
 * @param [out] graphs_mem_info: graphs mem info, include key:graph_id; value: {feature_map_size, const_size}
 */
GE_FUNC_VISIBILITY Status GetSessionMemInfo(const uint64_t session_id, uint64_t &var_size,
                                            std::map<uint32_t, std::vector<uint64_t>> &graphs_mem_info);
}  // namespace ge
#endif  // INC_FRAMEWORK_MEMORY_MEMORY_API_H_