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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/sysman/source/api/engine/sysman_engine.h"
#include "level_zero/sysman/source/api/engine/sysman_engine_imp.h"
#include "level_zero/sysman/source/device/os_sysman.h"
namespace L0 {
namespace Sysman {
EngineHandleContext::EngineHandleContext(OsSysman *pOsSysman) {
this->pOsSysman = pOsSysman;
}
EngineHandleContext::~EngineHandleContext() {
releaseEngines();
}
void EngineHandleContext::createHandle(MapOfEngineInfo &mapEngineInfo, zes_engine_group_t engineType, uint32_t engineInstance, uint32_t tileId, ze_bool_t onSubdevice) {
std::unique_ptr<Engine> pEngine = std::make_unique<EngineImp>(pOsSysman, mapEngineInfo, engineType, engineInstance, tileId, onSubdevice);
if (pEngine->initSuccess == true) {
handleList.push_back(std::move(pEngine));
}
}
void EngineHandleContext::init(uint32_t subDeviceCount) {
MapOfEngineInfo mapEngineInfo = {};
deviceEngineInitStatus = OsEngine::getNumEngineTypeAndInstances(mapEngineInfo, pOsSysman);
if (deviceEngineInitStatus != ZE_RESULT_SUCCESS) {
return;
}
for (auto &engineInfo : mapEngineInfo) {
const auto isSubDevice = subDeviceCount > 0;
auto engineGroup = engineInfo.first;
auto setEngineInstanceAndTileId = engineInfo.second;
for (auto &engineInstanceAndTileId : setEngineInstanceAndTileId) {
createHandle(mapEngineInfo, engineGroup, engineInstanceAndTileId.first, engineInstanceAndTileId.second, isSubDevice);
}
}
}
void EngineHandleContext::releaseEngines() {
handleList.clear();
}
ze_result_t EngineHandleContext::engineGet(uint32_t *pCount, zes_engine_handle_t *phEngine) {
std::call_once(initEngineOnce, [this]() {
this->init(pOsSysman->getSubDeviceCount());
this->engineInitDone = true;
});
if (deviceEngineInitStatus != ZE_RESULT_SUCCESS) {
return deviceEngineInitStatus;
}
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 != phEngine) {
for (uint32_t i = 0; i < numToCopy; i++) {
phEngine[i] = handleList[i]->toHandle();
}
}
return ZE_RESULT_SUCCESS;
}
} // namespace Sysman
} // namespace L0
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