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 "trace_driver_api.h"
      12              : #include "ascend_hal.h"
      13              : #include "adiag_print.h"
      14              : #include "adiag_utils.h"
      15              : #include "trace_load_library.h"
      16              : 
      17              : #define DRIVER_FUNCTION_NUM 2U
      18              : #define DRIVER_LIBRARY_NAME "libascend_hal.so"
      19              : 
      20              : STATIC ArgPtr g_libHandle = NULL;
      21              : STATIC SymbolInfo g_drvFuncInfo[DRIVER_FUNCTION_NUM] = {
      22              :     { "drvGetPlatformInfo", NULL },
      23              :     { "drvGetDevNum", NULL },
      24              : };
      25              : 
      26         1650 : TraStatus TraceDriverInit(void)
      27              : {
      28         1650 :     g_libHandle = TraceOpenLibrary(DRIVER_LIBRARY_NAME);
      29         1650 :     ADIAG_CHK_EXPR_ACTION(g_libHandle == NULL, return TRACE_FAILURE,
      30              :         "dlopen library %s failed, strerr=%s.", DRIVER_LIBRARY_NAME, strerror(AdiagGetErrorCode()));
      31              : 
      32         1650 :     TraStatus ret = TraceLoadFunc(g_libHandle, g_drvFuncInfo, DRIVER_FUNCTION_NUM);
      33         1650 :     ADIAG_CHK_EXPR_ACTION(ret != TRACE_SUCCESS, return TRACE_FAILURE, "load function symbol failed, ret=%d.", ret);
      34              : 
      35         1650 :     return TRACE_SUCCESS;
      36              : }
      37              : 
      38         1620 : void TraceDriverExit(void)
      39              : {
      40         1620 :     if (g_libHandle == NULL) {
      41            0 :         return;
      42              :     }
      43         1620 :     if (TraceCloseLibrary(g_libHandle) != TRACE_SUCCESS) {
      44           20 :         ADIAG_WAR("can not dlclose library %s, strerr=%s.", DRIVER_LIBRARY_NAME, strerror(AdiagGetErrorCode()));
      45              :     }
      46              : }
      47              : 
      48              : typedef drvError_t (*DrvGetPlatformInfo)(uint32_t *);
      49         1650 : TraStatus TraceDrvGetPlatformInfo(uint32_t *info)
      50              : {
      51         1650 :     DrvGetPlatformInfo func = (DrvGetPlatformInfo)g_drvFuncInfo[0].handle;
      52         1650 :     ADIAG_CHK_EXPR_ACTION(func == NULL, return TRACE_FAILURE, "can not find function\"%s\".", g_drvFuncInfo[0].symbol);
      53              : 
      54         1650 :     drvError_t drvErr = func(info);
      55         1650 :     ADIAG_CHK_EXPR_ACTION(drvErr != DRV_ERROR_NONE, return TRACE_FAILURE,
      56              :         "get platform info failed, drvErr=%d.", (int32_t)drvErr);
      57              : 
      58         1650 :     return TRACE_SUCCESS;
      59              : }
      60              : 
      61              : typedef drvError_t (*DrvGetDevNum)(uint32_t *);
      62         1650 : TraStatus TraceDrvGetDevNum(uint32_t *num)
      63              : {
      64         1650 :     DrvGetDevNum func = (DrvGetDevNum)g_drvFuncInfo[1].handle;
      65         1650 :     ADIAG_CHK_EXPR_ACTION(func == NULL, return TRACE_FAILURE, "can not find function\"%s\".", g_drvFuncInfo[1].symbol);
      66              : 
      67         1650 :     drvError_t drvErr = func(num);
      68              : 
      69         1650 :     if (drvErr == DRV_ERROR_NOT_SUPPORT) {
      70           20 :         return TRACE_FAILURE;
      71              :     }
      72         1630 :     ADIAG_CHK_EXPR_ACTION(drvErr != DRV_ERROR_NONE, return TRACE_FAILURE,
      73              :         "get device num failed, drvErr=%d.", (int32_t)drvErr);
      74              : 
      75         1630 :     return TRACE_SUCCESS;
      76              : }