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/*
* Copyright (C) 2020-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/sysman/source/api/frequency/sysman_frequency.h"
#include "shared/source/helpers/basic_math.h"
#include "level_zero/sysman/source/api/frequency/sysman_frequency_imp.h"
#include "level_zero/sysman/source/api/frequency/sysman_os_frequency.h"
#include "level_zero/sysman/source/device/os_sysman.h"
namespace L0 {
namespace Sysman {
FrequencyHandleContext::~FrequencyHandleContext() {
for (Frequency *pFrequency : handleList) {
delete pFrequency;
}
}
void FrequencyHandleContext::createHandle(ze_bool_t onSubdevice, uint32_t subdeviceId, zes_freq_domain_t frequencyDomain) {
Frequency *pFrequency = new FrequencyImp(pOsSysman, onSubdevice, subdeviceId, frequencyDomain);
handleList.push_back(pFrequency);
}
ze_result_t FrequencyHandleContext::init(uint32_t subDeviceCount) {
auto totalDomains = OsFrequency::getNumberOfFreqDomainsSupported(pOsSysman);
UNRECOVERABLE_IF(totalDomains.size() > 3);
if (subDeviceCount == 0) {
for (const auto &frequencyDomain : totalDomains) {
createHandle(false, 0, static_cast<zes_freq_domain_t>(frequencyDomain));
}
}
else {
for (uint32_t subDeviceId = 0; subDeviceId < subDeviceCount; subDeviceId++) {
for (const auto &frequencyDomain : totalDomains) {
createHandle(true, subDeviceId, static_cast<zes_freq_domain_t>(frequencyDomain));
}
}
}
return ZE_RESULT_SUCCESS;
}
ze_result_t FrequencyHandleContext::frequencyGet(uint32_t *pCount, zes_freq_handle_t *phFrequency) {
std::call_once(initFrequencyOnce, [this]() {
this->init(pOsSysman->getSubDeviceCount());
});
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 != phFrequency) {
for (uint32_t i = 0; i < numToCopy; i++) {
phFrequency[i] = handleList[i]->toZesFreqHandle();
}
}
return ZE_RESULT_SUCCESS;
}
} // namespace Sysman
} // namespace L0
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