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       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 URMA_MEMORY_H
      12              : #define URMA_MEMORY_H
      13              : 
      14              : #include <memory>
      15              : #include <vector>
      16              : #include <string>
      17              : #include "endpoint_pair.h"
      18              : #include "reged_mem_mgr.h"
      19              : #include "rma_buffer_mgr.h"
      20              : #include "buffer_key.h"
      21              : #include "local_ub_rma_buffer.h"
      22              : #include "remote_rma_buffer.h"
      23              : #include "exchange_ub_buffer_dto.h"
      24              : 
      25              : namespace hcomm {
      26              : /**
      27              :  * @note 职责：用于通信设备EndPoint的注册内存信息管理，支持基于RmaBufferMgr类的重叠内存的检测报错等。
      28              :  */
      29              : class UbRegedMemMgr : public RegedMemMgr {
      30              : public:
      31              :     using LocalUbRmaBufferMgr
      32              :         = hcomm::RmaBufferMgr<hccl::BufferKey<uintptr_t, u64>, std::shared_ptr<Hccl::LocalUbRmaBuffer>>;
      33              :     using RemoteUbRmaBufferMgr
      34              :         = hcomm::RmaBufferMgr<hccl::BufferKey<uintptr_t, u64>, std::shared_ptr<Hccl::RemoteUbRmaBuffer>>;
      35              : 
      36              :     UbRegedMemMgr();
      37           49 :     ~UbRegedMemMgr() = default;
      38              : 
      39              :     HcclResult RegisterMemory(HcommMem mem, const char* memTag, void** memHandle) override;
      40              :     HcclResult UnregisterMemory(void* memHandle) override;
      41              :     HcclResult
      42              :     MemoryExport(const EndpointDesc endpointDesc, void* memHandle, void** memDesc, uint32_t* memDescLen) override;
      43              :     HcclResult MemoryImport(const void* memDesc, uint32_t descLen, HcommMem* outMem) override;
      44              :     HcclResult MemoryUnimport(const void* memDesc, uint32_t descLen) override;
      45              :     HcclResult GetAllMemHandles(void** memHandles, uint32_t* memHandleNum) override;
      46              :     HcclResult GetMemDesc(const EndpointDesc endpointDesc, Hccl::LocalUbRmaBuffer* localUbRmaBuffer);
      47              :     HcclResult GetParamsFromMemDesc(
      48              :         const void* memDesc, uint32_t descLen, EndpointDesc& endpointDesc, Hccl::ExchangeUbBufferDto& dto);
      49              : 
      50              : private:
      51              :     std::unique_ptr<LocalUbRmaBufferMgr> localUbRmaBufferMgr_{};
      52              :     std::vector<RegedBufferEntry<Hccl::LocalUbRmaBuffer>> allRegisteredBuffers_;
      53              :     std::vector<std::shared_ptr<Hccl::LocalUbRmaBuffer>> handlesRecords_;
      54              :     std::unordered_map<EndpointDesc, std::unique_ptr<RemoteUbRmaBufferMgr>> remoteUbRmaBufferMgrs_;
      55              : };
      56              : } // namespace hcomm
      57              : 
      58              : #endif // URMA_ENDPOINT_H