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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/engine/engine.h"
#include "level_zero/tools/source/sysman/engine/engine_imp.h"
#include "level_zero/tools/source/sysman/engine/os_engine.h"
#include "level_zero/tools/source/sysman/os_sysman.h"
#include "level_zero/tools/source/sysman/sysman_imp.h"
#include <set>
namespace L0 {
EngineHandleContext::EngineHandleContext(OsSysman *pOsSysman) {
this->pOsSysman = pOsSysman;
}
EngineHandleContext::~EngineHandleContext() {
releaseEngines();
}
void EngineHandleContext::createHandle(zes_engine_group_t engineType, uint32_t engineInstance, uint32_t subDeviceId, ze_bool_t onSubdevice) {
std::unique_ptr<Engine> pEngine = std::make_unique<EngineImp>(pOsSysman, engineType, engineInstance, subDeviceId, onSubdevice);
// Only store error for all engines in device in case of dependencies unavailable.
deviceEngineInitStatus = pEngine->initStatus != ZE_RESULT_ERROR_DEPENDENCY_UNAVAILABLE ? deviceEngineInitStatus : pEngine->initStatus;
if (pEngine->initStatus == ZE_RESULT_SUCCESS) {
handleList.push_back(std::move(pEngine));
}
}
void EngineHandleContext::init(std::vector<ze_device_handle_t> &deviceHandles) {
std::set<std::pair<zes_engine_group_t, EngineInstanceSubDeviceId>> engineGroupInstance = {}; // set contains pair of engine group and struct containing engine instance and subdeviceId
OsEngine::getNumEngineTypeAndInstances(engineGroupInstance, pOsSysman);
for (auto itr = engineGroupInstance.begin(); itr != engineGroupInstance.end(); ++itr) {
for (const auto &deviceHandle : deviceHandles) {
uint32_t subDeviceId = 0;
ze_bool_t onSubdevice = false;
SysmanDeviceImp::getSysmanDeviceInfo(deviceHandle, subDeviceId, onSubdevice, true);
if (subDeviceId == itr->second.second) {
createHandle(itr->first, itr->second.first, subDeviceId, onSubdevice);
}
}
}
}
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->getDeviceHandles());
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 L0
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