compute-runtime/level_zero/tools/source/sysman/power/power.cpp

86 lines
2.3 KiB
C++

/*
* Copyright (C) 2020-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/power/power.h"
#include "shared/source/helpers/basic_math.h"
#include "level_zero/tools/source/sysman/os_sysman.h"
#include "level_zero/tools/source/sysman/power/power_imp.h"
namespace L0 {
void PowerHandleContext::releasePowerHandles() {
for (Power *pPower : handleList) {
delete pPower;
}
handleList.clear();
}
PowerHandleContext::~PowerHandleContext() {
releasePowerHandles();
}
void PowerHandleContext::createHandle(ze_device_handle_t deviceHandle) {
Power *pPower = new PowerImp(pOsSysman, deviceHandle);
if (pPower->initSuccess == true) {
handleList.push_back(pPower);
} else {
delete pPower;
}
}
ze_result_t PowerHandleContext::init(std::vector<ze_device_handle_t> &deviceHandles, ze_device_handle_t coreDevice) {
// Create Handle for card level power
if (deviceHandles.size() > 1) {
createHandle(coreDevice);
}
for (const auto &deviceHandle : deviceHandles) {
createHandle(deviceHandle);
}
return ZE_RESULT_SUCCESS;
}
void PowerHandleContext::initPower() {
std::call_once(initPowerOnce, [this]() {
this->init(pOsSysman->getDeviceHandles(), pOsSysman->getCoreDeviceHandle());
this->powerInitDone = true;
});
}
ze_result_t PowerHandleContext::powerGet(uint32_t *pCount, zes_pwr_handle_t *phPower) {
initPower();
uint32_t handleListSize = static_cast<uint32_t>(handleList.size());
uint32_t numToCopy = std::min(*pCount, handleListSize);
if (0 == *pCount || *pCount > handleListSize) {
*pCount = handleListSize;
}
if (nullptr != phPower) {
for (uint32_t i = 0; i < numToCopy; i++) {
phPower[i] = handleList[i]->toHandle();
}
}
return ZE_RESULT_SUCCESS;
}
ze_result_t PowerHandleContext::powerGetCardDomain(zes_pwr_handle_t *phPower) {
initPower();
if (nullptr == phPower) {
return ZE_RESULT_ERROR_INVALID_NULL_POINTER;
}
for (uint32_t i = 0; i < handleList.size(); i++) {
if (handleList[i]->isCardPower) {
*phPower = handleList[i]->toHandle();
return ZE_RESULT_SUCCESS;
}
}
return ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
}
} // namespace L0