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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 LOCAL_RDMA_RMA_BUFFER_IMPL_H
      12              : #define LOCAL_RDMA_RMA_BUFFER_IMPL_H
      13              : 
      14              : #include "hccl_common.h"
      15              : #include "hccl_network_pub.h"
      16              : #include "rma_buffer.h"
      17              : #include "mem_name_repository_pub.h"
      18              : 
      19              : namespace hccl {
      20              : class LocalRdmaRmaBufferImpl : public RmaBuffer {
      21              : public:
      22              :     LocalRdmaRmaBufferImpl(const HcclNetDevCtx netDevCtx, void* addr, u64 size, const RmaMemType memType);
      23              : 
      24              :     // 别名构造函数：共享父buffer的RDMA注册资源，不调用hrtRaRegGlobalMr
      25              :     LocalRdmaRmaBufferImpl(
      26              :         const HcclNetDevCtx netDevCtx, void* addr, u64 size, const RmaMemType memType,
      27              :         const LocalRdmaRmaBufferImpl& parent);
      28              : 
      29              :     ~LocalRdmaRmaBufferImpl() override;
      30              : 
      31              :     LocalRdmaRmaBufferImpl(const LocalRdmaRmaBufferImpl& that) = delete;
      32              :     LocalRdmaRmaBufferImpl& operator=(const LocalRdmaRmaBufferImpl& that) = delete;
      33              : 
      34              :     HcclResult Init();
      35              :     HcclResult Destroy();
      36              : 
      37              :     std::string& Serialize();
      38              :     HcclResult Remap(void* addr, u64 length);
      39              : 
      40           12 :     inline u32 GetKey() const { return lkey; }
      41              : 
      42              : private:
      43              :     s32 deviceLogicId{-1};
      44              :     RdmaHandle rdmaHandle{nullptr};
      45              :     MrHandle mrHandle{nullptr};
      46              :     u32 lkey{0};
      47              :     std::string devAddrID{""};
      48              :     bool initialized_ = false;
      49              :     std::string serializeStr_;
      50              : };
      51              : } // namespace hccl
      52              : #endif //  LOCAL_RDMA_RMA_BUFFER_IMPL_H