LCOV - code coverage report
Current view: top level - legacy/ascend950/unified_platform/resource/connection - dev_rdma_connection.cc (source / functions) Coverage Total Hit
Test: coverage.info Lines: 90.2 % 41 37
Test Date: 2026-08-17 10:19:35 Functions: 66.7 % 9 6

            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 "dev_rdma_connection.h"
      11              : #include "not_support_exception.h"
      12              : #include "orion_adapter_rts.h"
      13              : namespace Hccl {
      14              : 
      15           10 : DevRdmaConnection::DevRdmaConnection(Socket* socket, RdmaHandle rdmaHandle, OpMode opMode)
      16           10 :     : RmaConnection(socket, RmaConnType::RDMA)
      17              : {
      18           10 :     int qpMode = 0;
      19           10 :     DevType devType = HrtGetDeviceType();
      20           10 :     if (devType == DevType::DEV_TYPE_910A2 || devType == DevType::DEV_TYPE_910A3) {
      21            9 :         qpMode = (opMode == OpMode::OPBASE) ? OPBASE_QP_MODE_EXT : OFFLINE_QP_MODE_EXT;
      22            1 :     } else if (devType == DevType::DEV_TYPE_910A) {
      23            0 :         qpMode = (opMode == OpMode::OPBASE) ? OPBASE_QP_MODE : OFFLINE_QP_MODE;
      24              :     } else {
      25            3 :         HCCL_ERROR(
      26              :             "Cannot support this device type!"
      27              :             "errNo[0x%016llx], device type[%s]",
      28              :             HCCL_ERROR_CODE(HcclResult::HCCL_E_NOT_SUPPORT), DevTypeToString(devType).c_str());
      29            1 :         throw NotSupportException(DevTypeToString(devType));
      30              :     }
      31            9 :     qpHandle = HrtRaQpCreate(rdmaHandle, QP_FLAG_RC, qpMode);
      32           10 : }
      33              : 
      34            0 : void DevRdmaConnection::Connect() { GetStatus(); }
      35              : 
      36            4 : RmaConnStatus DevRdmaConnection::GetStatus()
      37              : {
      38            4 :     if (status == RmaConnStatus::INIT) {
      39            4 :         if (rdmaConnStatus == RdmaConnStatus::INIT) {
      40            3 :             if (socket->GetStatus() == SocketStatus::OK) {
      41            2 :                 HrtRaQpConnectAsync(qpHandle, socket->GetFdHandle());
      42            2 :                 rdmaConnStatus = RdmaConnStatus::CONNECTING;
      43            2 :                 CheckQpStatus(qpHandle);
      44            1 :             } else if (socket->GetStatus() == SocketStatus::TIMEOUT) {
      45            1 :                 rdmaConnStatus = RdmaConnStatus::SOCKET_TIMEOUT;
      46            1 :                 status = RmaConnStatus::CONN_INVALID;
      47              :             }
      48            1 :         } else if (rdmaConnStatus == RdmaConnStatus::CONNECTING) {
      49            1 :             CheckQpStatus(qpHandle);
      50              :         }
      51              :     }
      52            4 :     return status;
      53              : }
      54              : 
      55            3 : void DevRdmaConnection::CheckQpStatus(QpHandle handle)
      56              : {
      57            3 :     if (HrtGetRaQpStatus(handle) == 1) { // 为1时,qp 建链成功
      58            2 :         status = RmaConnStatus::READY;
      59              :     }
      60            3 : }
      61              : 
      62            1 : QpHandle DevRdmaConnection::GetHandle() { return qpHandle; }
      63              : 
      64            9 : DevRdmaConnection::~DevRdmaConnection() { HrtRaQpDestroy(qpHandle); }
      65              : 
      66            6 : unique_ptr<BaseTask> DevRdmaConnection::PrepareWrite(
      67              :     const MemoryBuffer& remoteMemBuf, const MemoryBuffer& localMemBuf, const SqeConfig& config)
      68              : {
      69            8 :     VerifySizeIsEqual(remoteMemBuf, localMemBuf, "DevRdmaConnection::PrepareWrite");
      70              : 
      71            4 :     if (localMemBuf.size == 0) {
      72            1 :         return nullptr;
      73              :     }
      74              :     // RDMA_WRITE: op = 0
      75            3 :     HRaSendWr wr(localMemBuf.addr, localMemBuf.size, remoteMemBuf.addr, 0, RA_SEND_SIGNALED);
      76            3 :     RaSendWrResp resp = HrtRaSendOneWr(qpHandle, wr);
      77              : 
      78            3 :     return make_unique<TaskRdmaSend>(resp.dbIndex, static_cast<u64>(resp.dbInfo));
      79              : }
      80              : 
      81            0 : string DevRdmaConnection::Describe() const
      82              : {
      83            0 :     return StringFormat("DevRdmaConnection[status=%s]", status.Describe().c_str());
      84              : }
      85              : 
      86              : } // namespace Hccl
        

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