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