Maisam Arif
97c487372f
Signed-off-by: Maisam Arif <Maisam.Arif@amd.com> Change-Id: I5b58e8fe3d9eeac207b07ce0fe4134dd717dbd90
83 linhas
2.5 KiB
C++
83 linhas
2.5 KiB
C++
/*
|
|
Copyright (c) 2020 - 2024 Advanced Micro Devices, Inc. All rights reserved.
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
#ifndef AMD_SMI_INCLUDE_IMPL_AMD_SMI_LIB_LOADER_H_
|
|
#define AMD_SMI_INCLUDE_IMPL_AMD_SMI_LIB_LOADER_H_
|
|
#include <dlfcn.h>
|
|
#include <string.h>
|
|
#include <map>
|
|
#include <iostream>
|
|
#include <mutex> // NOLINT(build/c++11)
|
|
#include "amd_smi/amdsmi.h"
|
|
|
|
|
|
namespace amd {
|
|
namespace smi {
|
|
class AMDSmiLibraryLoader {
|
|
public:
|
|
AMDSmiLibraryLoader();
|
|
|
|
amdsmi_status_t load(const char* filename);
|
|
|
|
template<typename T> amdsmi_status_t load_symbol(T* func_handler,
|
|
const char* func_name);
|
|
|
|
|
|
amdsmi_status_t unload();
|
|
|
|
~AMDSmiLibraryLoader();
|
|
|
|
private:
|
|
void* libHandler_;
|
|
std::mutex library_mutex_;
|
|
};
|
|
|
|
template<typename T> amdsmi_status_t AMDSmiLibraryLoader::load_symbol(
|
|
T* func_handler,
|
|
const char* func_name) {
|
|
if (!libHandler_) {
|
|
return AMDSMI_STATUS_FAIL_LOAD_MODULE;
|
|
}
|
|
|
|
if (!func_handler || !func_name) {
|
|
return AMDSMI_STATUS_FAIL_LOAD_SYMBOL;
|
|
}
|
|
|
|
std::lock_guard<std::mutex> guard(library_mutex_);
|
|
|
|
*reinterpret_cast<void**>(func_handler) =
|
|
dlsym(libHandler_, func_name);
|
|
if (*func_handler == nullptr) {
|
|
char* error = dlerror();
|
|
std::cerr << "AMDSmiLibraryLoader: Fail to load the symbol "
|
|
<< func_name << ": " << error << std::endl;
|
|
return AMDSMI_STATUS_FAIL_LOAD_SYMBOL;
|
|
}
|
|
|
|
return AMDSMI_STATUS_SUCCESS;
|
|
}
|
|
|
|
} // namespace smi
|
|
} // namespace amd
|
|
|
|
|
|
#endif // AMD_SMI_INCLUDE_IMPL_AMD_SMI_LIB_LOADER_H_
|