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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/fan/fan.h"
#include "level_zero/tools/source/sysman/fan/fan_imp.h"
#include "level_zero/tools/source/sysman/fan/os_fan.h"
namespace L0 {
FanHandleContext::~FanHandleContext() = default;
void FanHandleContext::createHandle(uint32_t fanIndex, bool multipleFansSupported) {
std::unique_ptr<Fan> pFan = std::make_unique<FanImp>(pOsSysman, fanIndex, multipleFansSupported);
handleList.push_back(std::move(pFan));
}
void FanHandleContext::init() {
auto supportedFanCount = OsFan::getSupportedFanCount(pOsSysman);
bool multipleFansSupported = (supportedFanCount > 1);
for (uint32_t fanIndex = 0; fanIndex < supportedFanCount; fanIndex++) {
createHandle(fanIndex, multipleFansSupported);
}
}
ze_result_t FanHandleContext::fanGet(uint32_t *pCount, zes_fan_handle_t *phFan) {
std::call_once(initFanOnce, [this]() {
this->init();
});
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 != phFan) {
for (uint32_t i = 0; i < numToCopy; i++) {
phFan[i] = handleList[i]->toHandle();
}
}
return ZE_RESULT_SUCCESS;
}
} // namespace L0
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