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/*
* Copyright (C) 2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/sysman/source/shared/windows/zes_os_sysman_driver_imp.h"
#include "shared/source/helpers/sleep.h"
#include "shared/source/os_interface/windows/wddm/wddm.h"
#include "level_zero/sysman/source/device/os_sysman.h"
#include "level_zero/sysman/source/device/sysman_device.h"
#include "level_zero/sysman/source/sysman_const.h"
namespace L0 {
namespace Sysman {
ze_result_t WddmSysmanDriverImp::eventsListen(uint64_t timeout, uint32_t count, zes_device_handle_t *phDevices, uint32_t *pNumDeviceEvents, zes_event_type_flags_t *pEvents) {
bool gotSysmanEvent = false;
memset(pEvents, 0, count * sizeof(zes_event_type_flags_t));
auto timeToExitLoop = L0::Sysman::SteadyClock::now() + std::chrono::duration<uint64_t, std::milli>(timeout);
do {
for (uint32_t devIndex = 0; devIndex < count; devIndex++) {
gotSysmanEvent = L0::Sysman::SysmanDevice::fromHandle(phDevices[devIndex])->deviceEventListen(pEvents[devIndex], timeout);
if (gotSysmanEvent) {
*pNumDeviceEvents = 1;
break;
}
}
if (gotSysmanEvent) {
break;
}
NEO::sleep(std::chrono::milliseconds(10)); // Sleep for 10 milliseconds before next check of events
} while ((L0::Sysman::SteadyClock::now() <= timeToExitLoop));
return ZE_RESULT_SUCCESS;
}
OsSysmanDriver *OsSysmanDriver::create() {
WddmSysmanDriverImp *pWddmSysmanDriverImp = new WddmSysmanDriverImp();
return static_cast<OsSysmanDriver *>(pWddmSysmanDriverImp);
}
} // namespace Sysman
} // namespace L0
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