Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #ifndef HCCL_CCU_RES_ALLOCATOR_H
      12              : #define HCCL_CCU_RES_ALLOCATOR_H
      13              : 
      14              : #include <mutex>
      15              : #include <vector>
      16              : #include <string>
      17              : #include <memory>
      18              : #include <unordered_map>
      19              : 
      20              : #include "ccu_device_manager.h"
      21              : 
      22              : namespace Hccl {
      23              : 
      24              : class CcuResIdAllocator {
      25              : public:
      26          218 :     explicit CcuResIdAllocator(const uint32_t capacity) : capacity_(capacity) {};
      27              :     CcuResIdAllocator() = default;
      28              : 
      29              :     HcclResult Alloc(const uint32_t num, const bool consecutive, std::vector<ResInfo> &allocatedResInfos, const std::string &dfxInfo = "");
      30              :     HcclResult Release(const uint32_t startId, const uint32_t num);
      31              :     uint32_t GetConsecutiveRemainSize() const;
      32              : 
      33              :     std::string Describe() const;
      34              : 
      35              : private:
      36              :     uint32_t capacity_{0};
      37              :     uint32_t allocatedSize{0};
      38              :     std::vector<ResInfo> resInfos{};
      39              :     std::mutex innerMutex;
      40              : 
      41              :     size_t FindReleaseResIndex(const uint32_t startId) const;
      42              :     void AllocResInfo(std::vector<ResInfo> newResInfos);
      43              :     void ReleaseResInfo(const size_t resIndex, const uint32_t startId, const uint32_t num);
      44              : };
      45              : 
      46              : class CcuResAllocator {
      47              : public:
      48              :     CcuResAllocator(const int32_t devLogicId, const uint8_t dieId);
      49              :     CcuResAllocator() = default;
      50              : 
      51              :     HcclResult Alloc(const ResType resType, const uint32_t num, const bool consecutive,
      52              :         std::vector<ResInfo>& resInfos);
      53              :     HcclResult Release(const ResType resType, const uint32_t startId, const uint32_t num);
      54              :     uint32_t GetConsecutiveRemainSize(const ResType resType) const;
      55              : 
      56              :     std::string Describe() const;
      57              : 
      58              : private:
      59              :     int32_t devLogicId_{0};
      60              :     uint8_t dieId_{0};
      61              :     std::unordered_map<uint8_t, std::unique_ptr<CcuResIdAllocator>> idAllocatorMap;
      62              : };
      63              : 
      64              : }; // namespace Hccl
      65              : 
      66              : #endif