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(
      30              :         const uint32_t num, const bool consecutive, std::vector<ResInfo>& allocatedResInfos,
      31              :         const std::string& dfxInfo = "");
      32              :     HcclResult Release(const uint32_t startId, const uint32_t num);
      33              :     uint32_t GetConsecutiveRemainSize() const;
      34              : 
      35              :     std::string Describe() const;
      36              : 
      37              : private:
      38              :     uint32_t capacity_{0};
      39              :     uint32_t allocatedSize{0};
      40              :     std::vector<ResInfo> resInfos{};
      41              :     std::mutex innerMutex;
      42              : 
      43              :     size_t FindReleaseResIndex(const uint32_t startId) const;
      44              :     void AllocResInfo(std::vector<ResInfo> newResInfos);
      45              :     void ReleaseResInfo(const size_t resIndex, const uint32_t startId, const uint32_t num);
      46              : };
      47              : 
      48              : class CcuResAllocator {
      49              : public:
      50              :     CcuResAllocator(const int32_t devLogicId, const uint8_t dieId);
      51              :     CcuResAllocator() = default;
      52              : 
      53              :     HcclResult Alloc(const ResType resType, const uint32_t num, const bool consecutive, std::vector<ResInfo>& resInfos);
      54              :     HcclResult Release(const ResType resType, const uint32_t startId, const uint32_t num);
      55              :     uint32_t GetConsecutiveRemainSize(const ResType resType) const;
      56              : 
      57              :     std::string Describe() const;
      58              : 
      59              : private:
      60              :     int32_t devLogicId_{0};
      61              :     uint8_t dieId_{0};
      62              :     std::unordered_map<uint8_t, std::unique_ptr<CcuResIdAllocator>> idAllocatorMap;
      63              : };
      64              : 
      65              : }; // namespace Hccl
      66              : 
      67              : #endif