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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_P2P_ENABLE_MANAGER_H
      12              : #define HCCLV2_P2P_ENABLE_MANAGER_H
      13              : 
      14              : #include <set>
      15              : #include <mutex>
      16              : #include <utility>
      17              : #include <map>
      18              : #include <functional>
      19              : #include <thread>
      20              : #include <array>
      21              : 
      22              : #include "types.h"
      23              : #include "hccl_common_v2.h"
      24              : #include "orion_adapter_rts.h"
      25              : #include "driver/ascend_hal.h"
      26              : 
      27              : namespace Hccl {
      28              : 
      29              : enum class P2PStatus { P2P_STATUS_DISABLED = 0, P2P_STATUS_ENABLING, P2P_STATUS_ENABLED };
      30              : 
      31              : using P2PConnectionInfo = struct P2PConnectionInfoDef {
      32              :     uint32_t reference = 0;
      33              :     P2PStatus status = P2PStatus::P2P_STATUS_DISABLED;
      34              : };
      35              : 
      36              : class P2PEnableManager {
      37              : public:
      38              :     static P2PEnableManager& GetInstance();
      39              : 
      40              :     // 测试使用
      41            1 :     std::set<std::pair<u32, u32>> GetSet() { return devicePairs; }
      42              : 
      43              :     HcclResult EnableP2P(std::vector<uint32_t> remoteDevices);
      44              :     HcclResult WaitP2PEnabled(std::vector<uint32_t> remoteDevices);
      45              :     HcclResult DisableP2P(uint32_t localDeviceLogicID, std::vector<uint32_t> remoteDevices);
      46              : 
      47              :     ~P2PEnableManager();
      48              : 
      49              : private:
      50              :     std::set<std::pair<u32, u32>> devicePairs;
      51              : 
      52            1 :     P2PEnableManager() = default;
      53              : 
      54              :     P2PEnableManager(const P2PEnableManager& other) = delete;
      55              : 
      56              :     P2PEnableManager& operator=(const P2PEnableManager& other) = delete;
      57              : 
      58              :     HcclResult EnableP2P(uint32_t localDeviceLogicID, uint32_t remoteDevicePhysicID);
      59              :     HcclResult WaitP2PEnabled(uint32_t localDeviceLogicID, uint32_t remoteDevicePhysicID);
      60              :     HcclResult WaitP2PConnected(uint32_t localDeviceLogicID, uint32_t remoteDevicePhysicID);
      61              :     HcclResult DisableP2P(uint32_t localDeviceLogicID, uint32_t remoteDevicePhysicID);
      62              : 
      63              :     std::array<std::map<uint32_t, P2PConnectionInfo>, MAX_MODULE_DEVICE_NUM> connectionsInfo_;
      64              :     std::array<std::mutex, MAX_MODULE_DEVICE_NUM> connectionsLock_;
      65              : };
      66              : } // namespace Hccl
      67              : 
      68              : #endif // HCCLV2_P2P_ENABLE_MANAGER_H