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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 HCCLV2_LOCAL_RDMA_RMA_BUFFER_H
      12              : #define HCCLV2_LOCAL_RDMA_RMA_BUFFER_H
      13              : 
      14              : #include "local_rma_buffer.h"
      15              : #include "orion_adapter_hccp.h"
      16              : 
      17              : namespace Hccl {
      18              : 
      19              : class LocalRdmaRmaBuffer : public LocalRmaBuffer {
      20              : public:
      21              :     LocalRdmaRmaBuffer(std::shared_ptr<Buffer> buf, RdmaHandle rdmaHandle);
      22              : 
      23              :     // 别名构造函数：共享父buffer的RDMA注册资源，不调用RaRegisterMr
      24              :     LocalRdmaRmaBuffer(std::shared_ptr<Buffer> buf, RdmaHandle rdmaHandle, u32 lkey, u32 rkey, MrHandle mrHandle);
      25              : 
      26              :     ~LocalRdmaRmaBuffer() override;
      27              : 
      28              :     LocalRdmaRmaBuffer(const LocalRdmaRmaBuffer& that) = delete;
      29              : 
      30              :     LocalRdmaRmaBuffer& operator=(const LocalRdmaRmaBuffer& that) = delete;
      31              : 
      32              :     std::string Describe() const override;
      33              : 
      34              :     std::unique_ptr<Serializable> GetExchangeDto() override;
      35              : 
      36           40 :     u32 GetLkey() const { return lkey; }
      37            9 :     u32 GetRkey() const { return rkey; }
      38            9 :     MrHandle GetMrHandle() const { return mrHandle; }
      39           29 :     std::pair<uintptr_t, u64> GetBufferInfo() { return make_pair(buf->GetAddr(), buf->GetSize()); }
      40              : 
      41              :     std::vector<char> Desc;
      42              : 
      43              : private:
      44              :     RdmaHandle rdmaHandle;
      45              :     u8 key[RDMA_MEM_KEY_MAX_LEN]{0};
      46              :     u32 lkey{0};
      47              :     u32 rkey{0};
      48              :     MrHandle mrHandle{nullptr};
      49              : };
      50              : 
      51              : } // namespace Hccl
      52              : #endif // HCCLV2_LOCAL_RDMA_RMA_BUFFER_H