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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_H
      12              : #define LOCAL_RDMA_RMA_BUFFER_H
      13              : 
      14              : #include <memory>
      15              : #include <string>
      16              : #include "hccl_common.h"
      17              : #include "hccl_network_pub.h"
      18              : #include "rma_buffer.h"
      19              : 
      20              : namespace hccl {
      21              : class LocalRdmaRmaBufferImpl;
      22              : 
      23              : class LocalRdmaRmaBuffer : public RmaBuffer {
      24              : public:
      25              :     LocalRdmaRmaBuffer(
      26              :         const HcclNetDevCtx netDevCtx, void* addr, u64 size, const RmaMemType memType = RmaMemType::DEVICE);
      27              : 
      28              :     // 别名构造函数：共享父buffer的RDMA注册资源
      29              :     LocalRdmaRmaBuffer(
      30              :         const HcclNetDevCtx netDevCtx, void* addr, u64 size, const RmaMemType memType,
      31              :         const LocalRdmaRmaBuffer& parent);
      32              : 
      33              :     HcclResult Init();
      34              :     HcclResult Destroy();
      35              :     ~LocalRdmaRmaBuffer() override;
      36              : 
      37              :     LocalRdmaRmaBuffer(const LocalRdmaRmaBuffer& that) = delete;
      38              :     LocalRdmaRmaBuffer& operator=(const LocalRdmaRmaBuffer& that) = delete;
      39              : 
      40              :     // Init成功后调用Serialize和获取属性接口
      41              :     std::string& Serialize();
      42              : 
      43              :     u32 GetKey() const;
      44              :     HcclResult Remap(void* addr, u64 length);
      45              : 
      46              : private:
      47            4 :     const LocalRdmaRmaBufferImpl& GetImpl() const { return *pimpl_; }
      48              :     std::unique_ptr<LocalRdmaRmaBufferImpl> pimpl_;
      49              : };
      50              : } // namespace hccl
      51              : #endif //  LOCAL_RDMA_RMA_BUFFER_H