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 : }
      28              : 
      29            0 : DlIbvFunction::~DlIbvFunction()
      30              : {
      31            0 :     if (handle_ != nullptr) {
      32            0 :         (void)HcclDlclose(handle_);
      33            0 :         handle_ = nullptr;
      34              :     }
      35            0 : }
      36              : 
      37            0 : HcclResult DlIbvFunction::DlIbvFunctionApiInit()
      38              : {
      39            0 :     dlRcoeGetCqEvent = (s32(*)(struct ibv_comp_channel *channel, struct ibv_cq **cq, void **cq_context))
      40            0 :         HcclDlsym(handle_, "ibv_get_cq_event");
      41            0 :     CHK_SMART_PTR_NULL(dlRcoeGetCqEvent);
      42              : 
      43            0 :     dlRcoeAckCqEvent = (void(*)(struct ibv_cq *qp, unsigned int nevents))
      44            0 :         HcclDlsym(handle_, "ibv_ack_cq_events");
      45            0 :     CHK_SMART_PTR_NULL(dlRcoeAckCqEvent);
      46              : 
      47            0 :     dlRcoeQueryQp = (s32(*)(struct ibv_qp *qp, struct ibv_qp_attr *attr, int attr_mask,
      48            0 :         struct ibv_qp_init_attr *init_attr)) HcclDlsym(handle_, "ibv_query_qp");
      49            0 :     CHK_SMART_PTR_NULL(dlRcoeQueryQp);
      50              : 
      51            0 :     return HCCL_SUCCESS;
      52              : }
      53              : 
      54            0 : HcclResult DlIbvFunction::DlIbvFunctionInit()
      55              : {
      56            0 :     std::lock_guard<std::mutex> lock(handleMutex_);
      57            0 :     if (handle_ == nullptr) {
      58            0 :         handle_ = HcclDlopen("libibverbs.so", RTLD_NOW);
      59            0 :         const char* errMsg = dlerror();
      60            0 :         CHK_PRT_RET(handle_ == nullptr, HCCL_ERROR("dlopen [%s] failed, %s", "libibverbs.so",\
      61              :             (errMsg == nullptr) ? "please check the file exist or permission denied." : errMsg),\
      62              :             HCCL_E_OPEN_FILE_FAILURE);
      63              :     }
      64              : 
      65            0 :     CHK_RET(DlIbvFunctionApiInit());
      66            0 :     return HCCL_SUCCESS;
      67            0 : }
      68              : }