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              : #include "p2p_connection.h"
      11              : #include "socket.h"
      12              : #include "log.h"
      13              : #include "exception_util.h"
      14              : #include "rma_conn_exception.h"
      15              : 
      16              : namespace Hccl {
      17              : 
      18            5 : P2PConnection::P2PConnection(Socket *socket, const std::string &tag)
      19            5 :     : RmaConnection(socket, RmaConnType::P2P)
      20              : {
      21           15 :     HCCL_INFO("P2PConnection::P2PConnection tag = [%s]", tag.c_str());
      22            5 : }
      23              : 
      24            0 : void P2PConnection::Connect()
      25              : {
      26            0 :     EnableP2p();
      27            0 :     GetStatus();
      28            0 : }
      29              : 
      30            0 : RmaConnStatus P2PConnection::GetStatus()
      31              : {
      32            0 :     switch (status) {
      33            0 :         case RmaConnStatus::READY:
      34            0 :             break;
      35            0 :         case RmaConnStatus::INIT:
      36            0 :             if (socket->GetStatus() == SocketStatus::OK) {
      37            0 :                 status = RmaConnStatus::READY;
      38            0 :             } else if (socket->GetStatus() == SocketStatus::TIMEOUT) {
      39            0 :                 status = RmaConnStatus::CONN_INVALID;
      40              :             }
      41            0 :             break;
      42            0 :         case RmaConnStatus::CLOSE:
      43            0 :             break;
      44            0 :         default:
      45            0 :             auto msg = StringFormat("Invalid status of %s", status.Describe().c_str());
      46            0 :             THROW<RmaConnException>(msg);
      47              :             break;
      48            0 :     }
      49              : 
      50            0 :     return status;
      51              : }
      52              : 
      53            0 : void P2PConnection::EnableP2p() const
      54              : {
      55              :     // SDMA P2pEnable
      56            0 : }
      57              : 
      58            5 : unique_ptr<BaseTask> P2PConnection::PrepareRead(const MemoryBuffer &remoteMemBuf, const MemoryBuffer &localMemBuf,
      59              :                                                 const SqeConfig &config)
      60              : {
      61            6 :     VerifySizeIsEqual(remoteMemBuf, localMemBuf, "P2PConnection PrepareRead");
      62            4 :     if (localMemBuf.size == 0) {
      63            1 :         return nullptr;
      64              :     }
      65            3 :     return make_unique<TaskP2pMemcpy>(localMemBuf.addr, remoteMemBuf.addr, localMemBuf.size, MemcpyKind::D2D);
      66              : }
      67              : 
      68            5 : unique_ptr<BaseTask> P2PConnection::PrepareReadReduce(const MemoryBuffer &remoteMemBuf, const MemoryBuffer &localMemBuf,
      69              :                                                       DataType datatype, ReduceOp reduceOp, const SqeConfig &config)
      70              : {
      71            6 :     VerifySizeIsEqual(remoteMemBuf, localMemBuf, "P2PConnection PrepareReadReduce");
      72            4 :     if (localMemBuf.size == 0) {
      73            1 :         return nullptr;
      74              :     }
      75            3 :     return make_unique<TaskSdmaReduce>(localMemBuf.addr, remoteMemBuf.addr, localMemBuf.size, datatype, reduceOp);
      76              : }
      77              : 
      78            1 : unique_ptr<BaseTask> P2PConnection::PrepareWrite(const MemoryBuffer &remoteMemBuf, const MemoryBuffer &localMemBuf,
      79              :                                                  const SqeConfig &config)
      80              : {
      81            1 :     VerifySizeIsEqual(remoteMemBuf, localMemBuf, "P2PConnection PrepareWrite");
      82            1 :     if (localMemBuf.size == 0) {
      83            0 :         return nullptr;
      84              :     }
      85            1 :     return make_unique<TaskP2pMemcpy>(remoteMemBuf.addr, localMemBuf.addr, localMemBuf.size, MemcpyKind::D2D);
      86              : }
      87              : 
      88            2 : unique_ptr<BaseTask> P2PConnection::PrepareWriteReduce(const MemoryBuffer &remoteMemBuf,
      89              :                                                        const MemoryBuffer &localMemBuf, DataType datatype,
      90              :                                                        ReduceOp reduceOp, const SqeConfig &config)
      91              : {
      92            1 :     VerifySizeIsEqual(remoteMemBuf, localMemBuf, "P2PConnection PrepareWriteReduce");
      93            1 :     if (localMemBuf.size == 0) {
      94            0 :         return nullptr;
      95              :     }
      96            1 :     return make_unique<TaskSdmaReduce>(remoteMemBuf.addr, localMemBuf.addr, localMemBuf.size, datatype, reduceOp);
      97              : }
      98              : 
      99            3 : string P2PConnection::Describe() const
     100              : {
     101            3 :     return StringFormat("P2PConnection[status=%s]", status.Describe().c_str());
     102              : }
     103              : 
     104              : } // namespace Hccl