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              : #include "dlhns_function.h"
      12              : 
      13              : #include <string>
      14              : #include <map>
      15              : #include "hccl_dl.h"
      16              : #include "log.h"
      17              : 
      18              : 
      19              : namespace hccl {
      20              : 
      21            5 : DlHnsFunction &DlHnsFunction::GetInstance()
      22              : {
      23            5 :     static DlHnsFunction hcclDlHnsFunction;
      24            5 :     return hcclDlHnsFunction;
      25              : }
      26              : 
      27            2 : DlHnsFunction::DlHnsFunction() : handle_(nullptr)
      28              : {
      29            2 : }
      30              : 
      31            2 : DlHnsFunction::~DlHnsFunction()
      32              : {
      33            2 :     if (handle_ != nullptr) {
      34            0 :         (void)HcclDlclose(handle_);
      35            0 :         handle_ = nullptr;
      36              :     }
      37            2 : }
      38              : 
      39            0 : HcclResult DlHnsFunction::DlHnsFunctionRoceInit()
      40              : {
      41            0 :     dlHnsIbvExtPostSend = (int(*)(struct ibv_qp *, struct ibv_send_wr *,
      42              :         struct ibv_send_wr **, struct IbvPostSendExtAddt *,
      43            0 :         struct IbvPostSendExtResp *))HcclDlsym(handle_, "ibv_ext_post_send");
      44            0 :     CHK_SMART_PTR_NULL(dlHnsIbvExtPostSend);
      45              : 
      46            0 :     dlHnsIbvExpPostSend = (int(*)(struct ibv_qp *, struct ibv_send_wr *,
      47            0 :         struct ibv_send_wr **, struct WrExpRsp *))HcclDlsym(handle_, "ibv_exp_post_send");
      48            0 :     CHK_SMART_PTR_NULL(dlHnsIbvExpPostSend);
      49            0 :     return HCCL_SUCCESS;
      50              : }
      51              : 
      52            0 : HcclResult DlHnsFunction::DlHnsFunctionSoInit()
      53              : {
      54            0 :     if (handle_ == nullptr) {
      55            0 :         handle_ = HcclDlopen("libhns-rdmav25.so", RTLD_NOW);
      56            0 :         if (handle_ != nullptr) {
      57            0 :             return HCCL_SUCCESS;
      58              :         }
      59            0 :         return HCCL_E_INTERNAL;
      60              :     } else {
      61            0 :             HCCL_INFO("roce_user_api dlopen again!");
      62              :     }
      63            0 :     return HCCL_SUCCESS;
      64              : }
      65              : 
      66            0 : HcclResult DlHnsFunction::DlHnsFunctionInit()
      67              : {
      68            0 :     std::lock_guard<std::mutex> lock(handleMutex_);
      69            0 :     CHK_RET(DlHnsFunctionSoInit());
      70            0 :     CHK_RET(DlHnsFunctionRoceInit());
      71              : 
      72            0 :     return HCCL_SUCCESS;
      73            0 : }
      74              : 
      75              : }