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 COMM_MEM_MANAGER_H
      12              : #define COMM_MEM_MANAGER_H
      13              : #include <string>
      14              : #include <unordered_map>
      15              : #include <memory>
      16              : #include <mutex>
      17              : #include "hccl/hccl_res.h"
      18              : #include "hccl_independent_common.h"
      19              : #include "hccl_mem_defs.h"
      20              : #include "mem_device_pub.h"
      21              : #include "ccl_buffer_manager.h"
      22              : #include "rma_buffer_mgr.h"
      23              : 
      24              : namespace hccl {
      25              : 
      26              : struct HcclMemoryHandle {
      27              :     void* addr{nullptr};
      28              :     uint64_t size{0};
      29              :     HcclMemType memType{HCCL_MEM_TYPE_DEVICE};
      30              :     HcclRegMemAttr attr{};
      31              : };
      32              : 
      33              : class CommMemMgr {
      34              : public:
      35              :     using Handle = std::shared_ptr<HcclMemoryHandle>;
      36              :     using MemKey = hccl::BufferKey<uintptr_t, uint64_t>;
      37              :     using Table = hcomm::RmaBufferMgr<MemKey, Handle>;
      38          661 :     CommMemMgr() = default;
      39          659 :     ~CommMemMgr() = default;
      40              : 
      41              :     // cclbuffer内存
      42              :     void CommSetHcclBufferManager(CCLBufferManager& bufferManager);
      43              :     HcclResult GetHcclBuffer(CommBuffer* buffer);
      44              : 
      45              :     // 用户注册/反注册内存
      46              :     HcclResult CommRegMem(const std::string& memTag, const HcclMem& mem, HcclRegMemAttr attr, void** memHandle);
      47              :     HcclResult CommUnregMem(const std::string& memTag, const void* memHandle);
      48              :     HcclResult CommGetLocalRegMemByTag(const std::string& tag, std::vector<HcclMem>& memVec);
      49              :     HcclResult
      50              :     CommGetLocalRegMemByHandles(const HcclMemHandle* memHandles, uint32_t memHandleNum, std::vector<HcclMem>& memVec);
      51              : 
      52              : private:
      53            9 :     static inline MemKey MakeKey(void* addr, uint64_t size)
      54              :     {
      55            9 :         return MemKey(reinterpret_cast<uintptr_t>(addr), static_cast<uint64_t>(size));
      56              :     }
      57              :     struct TagRegistry {
      58              :         Table table; // 区间树 + ref 语义
      59              :     };
      60              : 
      61              :     // cclbuffer内存
      62              :     std::mutex bufferMutex_;
      63              :     CCLBufferManager* bufferManager_{nullptr};
      64              : 
      65              :     // 用户绑定内存
      66              :     std::mutex memMutex_;
      67              :     // 每个 tag 一份 registry
      68              :     std::unordered_map<std::string, TagRegistry> tagRegs_;
      69              :     // 每个tag n个 HcclMemoryHandle
      70              :     std::unordered_map<std::string, std::vector<std::shared_ptr<HcclMemoryHandle>>> opBindings_;
      71              : };
      72              : } // namespace hccl
      73              : 
      74              : #endif