Line data    Source code

       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_UB_RMA_BUFFER_H
      12              : #define HCCLV2_LOCAL_UB_RMA_BUFFER_H
      13              : 
      14              : #include <cstring>
      15              : 
      16              : #include "local_rma_buffer.h"
      17              : 
      18              : #include "enum_factory_legacy.h"
      19              : #include "orion_adapter_hccp.h"
      20              : #include "orion_adapter_rts.h"
      21              : #include "net_device.h"
      22              : 
      23              : namespace Hccl {
      24              : 
      25              : MAKE_ENUM(UbBufferStatus, INIT, READY, RELEASED);
      26              : 
      27              : class LocalUbRmaBuffer : public LocalRmaBuffer {
      28              : public:
      29              :     LocalUbRmaBuffer(std::shared_ptr<Buffer> buf, RdmaHandle rdmaHandle);
      30              : 
      31              :     // 别名构造函数：共享父buffer的注册资源
      32              :     LocalUbRmaBuffer(std::shared_ptr<Buffer> buf, RdmaHandle rdmaHandle, const LocalUbRmaBuffer& parent);
      33              : 
      34              :     LocalUbRmaBuffer(std::shared_ptr<Buffer> buf, void* netDevice, bool flag);
      35              : 
      36              :     LocalUbRmaBuffer(std::shared_ptr<Buffer> buf);
      37              : 
      38              :     ~LocalUbRmaBuffer() override;
      39              : 
      40              :     LocalUbRmaBuffer(const LocalUbRmaBuffer& that) = delete;
      41              : 
      42              :     LocalUbRmaBuffer& operator=(const LocalUbRmaBuffer& that) = delete;
      43              : 
      44              :     string Describe() const override;
      45              : 
      46              :     std::unique_ptr<Serializable> GetExchangeDto() override;
      47              : 
      48              :     u32 GetTokenId() const;
      49              :     u32 GetTokenValue() const;
      50              :     TokenIdHandle GetTokenIdHandle() const;
      51           40 :     std::pair<uintptr_t, u64> GetBufferInfo() { return make_pair(buf->GetAddr(), buf->GetSize()); }
      52            4 :     u64 GetTargetSeg() const { return reqReg.targetSegVa; }
      53              : 
      54           16 :     void* GetMemRegOutParam() { return static_cast<void*>(&reqReg); }
      55              : 
      56              :     const void* GetMemRegOutParam() const { return static_cast<const void*>(&reqReg); }
      57              : 
      58            8 :     static bool IsSameMemRegOutParam(const void* lhs, const void* rhs)
      59              :     {
      60            8 :         if (lhs == nullptr || rhs == nullptr) {
      61            0 :             return false;
      62              :         }
      63            8 :         const auto* left = static_cast<const HrtRaUbLocalMemRegOutParam*>(lhs);
      64            8 :         const auto* right = static_cast<const HrtRaUbLocalMemRegOutParam*>(rhs);
      65            8 :         if (left->keySize > HRT_UB_MEM_KEY_MAX_LEN) {
      66            0 :             return false;
      67              :         }
      68            8 :         return left->handle == right->handle && left->keySize == right->keySize
      69           16 :                && left->targetSegVa == right->targetSegVa && memcmp(left->key, right->key, left->keySize) == 0;
      70              :     }
      71              : 
      72              :     std::vector<char> Desc;
      73              : 
      74              : private:
      75              :     RdmaHandle rdmaHandle{nullptr};
      76              :     HcclNetDevice* netDev{nullptr};
      77              :     u8 key[HRT_UB_MEM_KEY_MAX_LEN]{0};
      78              :     u32 tokenValue{0};
      79              :     u32 tokenId{0};
      80              :     TokenIdHandle tokenIdHandle{0};
      81              : 
      82              :     HrtRaUbLocalMemRegOutParam reqReg{};
      83              : 
      84              :     BufferKey<uintptr_t, u64> bufKey_{0, 0};
      85              : };
      86              : u32 GetUbToken(); // 生成伪随机数
      87              : } // namespace Hccl
      88              : #endif // HCCLV2_LOCAL_UB_RMA_BUFFER_H