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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_IPC_RMA_BUFFER_H
      12              : #define HCCLV2_LOCAL_IPC_RMA_BUFFER_H
      13              : 
      14              : #include "local_rma_buffer.h"
      15              : #include "orion_adapter_rts.h"
      16              : 
      17              : namespace Hccl {
      18              : 
      19              : class LocalIpcRmaBuffer : public LocalRmaBuffer {
      20              : public:
      21              :     explicit LocalIpcRmaBuffer(std::shared_ptr<Buffer> buf);
      22              : 
      23              :     // 别名构造函数：共享父buffer的IPC资源，不创建新的IPC内存名
      24              :     LocalIpcRmaBuffer(std::shared_ptr<Buffer> buf, const LocalIpcRmaBuffer& parent);
      25              : 
      26              :     ~LocalIpcRmaBuffer() override;
      27              : 
      28              :     LocalIpcRmaBuffer(const LocalIpcRmaBuffer& that) = delete;
      29              : 
      30              :     LocalIpcRmaBuffer& operator=(const LocalIpcRmaBuffer& that) = delete;
      31              : 
      32              :     std::string Describe() const override;
      33              : 
      34              :     void Grant(u32 pid);
      35              : 
      36              :     std::unique_ptr<Serializable> GetExchangeDto() override;
      37           48 :     std::pair<uintptr_t, u64> GetBufferInfo() { return std::make_pair(buf->GetAddr(), buf->GetSize()); }
      38              : 
      39           12 :     void* GetIpcPtr() const { return ipcPtr; }
      40              : 
      41              : protected:
      42              :     char name[RTS_IPC_MEM_NAME_LEN];
      43              :     void* ipcPtr{nullptr};
      44              :     u64 ipcOffset{0};
      45              :     u64 ipcSize{0};
      46              : };
      47              : 
      48              : } // namespace Hccl
      49              : #endif // HCCLV2_LOCAL_IPC_RMA_BUFFER_H