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 "dlibv_function.h"
      12              : 
      13              : #include <string>
      14              : #include <map>
      15              : #include "hccl_dl.h"
      16              : #include "log.h"
      17              : 
      18              : namespace hccl {
      19            0 : DlIbvFunction& DlIbvFunction::GetInstance()
      20              : {
      21            0 :     static DlIbvFunction hcclDlIbvFunction;
      22            0 :     return hcclDlIbvFunction;
      23              : }
      24              : 
      25            0 : DlIbvFunction::DlIbvFunction() : handle_(nullptr) {}
      26              : 
      27            0 : DlIbvFunction::~DlIbvFunction()
      28              : {
      29            0 :     if (handle_ != nullptr) {
      30            0 :         (void)HcclDlclose(handle_);
      31            0 :         handle_ = nullptr;
      32              :     }
      33            0 : }
      34              : 
      35            0 : HcclResult DlIbvFunction::DlIbvFunctionApiInit()
      36              : {
      37            0 :     dlRcoeGetCqEvent = (s32(*)(struct ibv_comp_channel * channel, struct ibv_cq * *cq, void** cq_context))
      38            0 :         HcclDlsym(handle_, "ibv_get_cq_event");
      39            0 :     CHK_SMART_PTR_NULL(dlRcoeGetCqEvent);
      40              : 
      41            0 :     dlRcoeAckCqEvent = (void (*)(struct ibv_cq* qp, unsigned int nevents))HcclDlsym(handle_, "ibv_ack_cq_events");
      42            0 :     CHK_SMART_PTR_NULL(dlRcoeAckCqEvent);
      43              : 
      44              :     dlRcoeQueryQp
      45            0 :         = (s32(*)(struct ibv_qp * qp, struct ibv_qp_attr * attr, int attr_mask, struct ibv_qp_init_attr* init_attr))
      46            0 :             HcclDlsym(handle_, "ibv_query_qp");
      47            0 :     CHK_SMART_PTR_NULL(dlRcoeQueryQp);
      48              : 
      49            0 :     return HCCL_SUCCESS;
      50              : }
      51              : 
      52            0 : HcclResult DlIbvFunction::DlIbvFunctionInit()
      53              : {
      54            0 :     std::lock_guard<std::mutex> lock(handleMutex_);
      55            0 :     if (handle_ == nullptr) {
      56            0 :         handle_ = HcclDlopen("libibverbs.so", RTLD_NOW);
      57            0 :         const char* errMsg = dlerror();
      58            0 :         CHK_PRT_RET(
      59              :             handle_ == nullptr,
      60              :             HCCL_ERROR(
      61              :                 "dlopen [%s] failed, %s", "libibverbs.so",
      62              :                 (errMsg == nullptr) ? "please check the file exist or permission denied." : errMsg),
      63              :             HCCL_E_OPEN_FILE_FAILURE);
      64              :     }
      65              : 
      66            0 :     CHK_RET(DlIbvFunctionApiInit());
      67            0 :     return HCCL_SUCCESS;
      68            0 : }
      69              : } // namespace hccl