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/*
* Copyright (C) 2023-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/sysman/source/shared/windows/zes_os_sysman_imp.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/os_interface/driver_info.h"
#include "shared/source/os_interface/windows/wddm/wddm.h"
#include "level_zero/core/source/driver/driver.h"
#include "level_zero/sysman/source/shared/firmware_util/sysman_firmware_util.h"
#include "level_zero/sysman/source/shared/windows/pmt/sysman_pmt.h"
#include "level_zero/sysman/source/shared/windows/product_helper/sysman_product_helper.h"
#include "level_zero/sysman/source/shared/windows/sysman_kmd_sys_manager.h"
namespace L0 {
namespace Sysman {
ze_result_t WddmSysmanImp::init() {
NEO::OSInterface &osInterface = *(pParentSysmanDeviceImp->getRootDeviceEnvironment()).osInterface;
auto driverModel = osInterface.getDriverModel();
if (driverModel && (driverModel->getDriverModelType() == NEO::DriverModelType::wddm)) {
pWddm = driverModel->as<NEO::Wddm>();
} else {
return ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
}
pKmdSysManager = KmdSysManager::create(pWddm);
UNRECOVERABLE_IF(nullptr == pKmdSysManager);
subDeviceCount = NEO::GfxCoreHelper::getSubDevicesCount(&pParentSysmanDeviceImp->getHardwareInfo());
if (subDeviceCount == 1) {
subDeviceCount = 0;
}
pSysmanProductHelper = SysmanProductHelper::create(getProductFamily());
DEBUG_BREAK_IF(nullptr == pSysmanProductHelper);
if (sysmanInitFromCore) {
if (pSysmanProductHelper->isZesInitSupported()) {
sysmanInitFromCore = false;
} else {
NEO::printDebugString(NEO::debugManager.flags.PrintDebugMessages.get(), stderr,
"%s", "Sysman Initialization already happened via zeInit\n");
return ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
}
}
pciBusInfo = pParentSysmanDeviceImp->getRootDeviceEnvironment().osInterface->getDriverModel()->getPciBusInfo();
pPmt = PlatformMonitoringTech::create(pSysmanProductHelper.get(), pciBusInfo.pciBus, pciBusInfo.pciDevice, pciBusInfo.pciFunction);
return ZE_RESULT_SUCCESS;
}
uint32_t WddmSysmanImp::getSubDeviceCount() {
return subDeviceCount;
}
SysmanDeviceImp *WddmSysmanImp::getSysmanDeviceImp() {
return pParentSysmanDeviceImp;
}
SysmanProductHelper *WddmSysmanImp::getSysmanProductHelper() {
UNRECOVERABLE_IF(nullptr == pSysmanProductHelper);
return pSysmanProductHelper.get();
}
PlatformMonitoringTech *WddmSysmanImp::getSysmanPmt() {
return pPmt.get();
}
void WddmSysmanImp::createFwUtilInterface() {
const uint16_t domain = static_cast<uint16_t>(pciBusInfo.pciDomain);
const uint8_t bus = static_cast<uint8_t>(pciBusInfo.pciBus);
const uint8_t device = static_cast<uint8_t>(pciBusInfo.pciDevice);
const uint8_t function = static_cast<uint8_t>(pciBusInfo.pciFunction);
pFwUtilInterface = FirmwareUtil::create(domain, bus, device, function);
}
FirmwareUtil *WddmSysmanImp::getFwUtilInterface() {
if (pFwUtilInterface == nullptr) {
createFwUtilInterface();
}
return pFwUtilInterface;
}
void WddmSysmanImp::releaseFwUtilInterface() {
if (nullptr != pFwUtilInterface) {
delete pFwUtilInterface;
pFwUtilInterface = nullptr;
}
}
WddmSysmanImp::WddmSysmanImp(SysmanDeviceImp *pParentSysmanDeviceImp) {
this->pParentSysmanDeviceImp = pParentSysmanDeviceImp;
}
WddmSysmanImp::~WddmSysmanImp() {
if (nullptr != pKmdSysManager) {
delete pKmdSysManager;
pKmdSysManager = nullptr;
}
releaseFwUtilInterface();
}
KmdSysManager &WddmSysmanImp::getKmdSysManager() {
UNRECOVERABLE_IF(nullptr == pKmdSysManager);
return *pKmdSysManager;
}
void WddmSysmanImp::getDeviceUuids(std::vector<std::string> &deviceUuids) {
deviceUuids.clear();
std::array<uint8_t, NEO::ProductHelper::uuidSize> deviceUuid{};
bool uuidValid = this->getUuid(deviceUuid);
if (uuidValid) {
uint8_t uuid[ZE_MAX_DEVICE_UUID_SIZE] = {};
std::copy_n(std::begin(deviceUuid), ZE_MAX_DEVICE_UUID_SIZE, std::begin(uuid));
std::string uuidString(reinterpret_cast<char const *>(uuid), ZES_MAX_UUID_SIZE);
deviceUuids.push_back(uuidString);
}
}
bool WddmSysmanImp::getUuid(std::array<uint8_t, NEO::ProductHelper::uuidSize> &uuid) {
if (getSysmanDeviceImp()->getRootDeviceEnvironment().osInterface != nullptr) {
auto driverModel = getSysmanDeviceImp()->getRootDeviceEnvironment().osInterface->getDriverModel();
if (!this->uuid.isValid) {
NEO::PhysicalDevicePciBusInfo pciBusInfo = driverModel->getPciBusInfo();
this->uuid.isValid = generateUuidFromPciBusInfo(pciBusInfo, this->uuid.id);
}
if (this->uuid.isValid) {
uuid = this->uuid.id;
}
}
return this->uuid.isValid;
}
bool WddmSysmanImp::generateUuidFromPciBusInfo(const NEO::PhysicalDevicePciBusInfo &pciBusInfo, std::array<uint8_t, NEO::ProductHelper::uuidSize> &uuid) {
if (pciBusInfo.pciDomain != NEO::PhysicalDevicePciBusInfo::invalidValue) {
uuid.fill(0);
// Device UUID uniquely identifies a device within a system.
// We generate it based on device information along with PCI information
// This guarantees uniqueness of UUIDs on a system even when multiple
// identical Intel GPUs are present.
//
// We want to have UUID matching between different GPU APIs (including outside
// of compute_runtime project - i.e. other than L0 or OCL). This structure definition
// has been agreed upon by various Intel driver teams.
//
// Consult other driver teams before changing this.
//
struct DeviceUUID {
uint16_t vendorID;
uint16_t deviceID;
uint16_t revisionID;
uint16_t pciDomain;
uint8_t pciBus;
uint8_t pciDev;
uint8_t pciFunc;
uint8_t reserved[4];
uint8_t subDeviceID;
};
auto &hwInfo = getSysmanDeviceImp()->getHardwareInfo();
DeviceUUID deviceUUID = {};
deviceUUID.vendorID = 0x8086; // Intel
deviceUUID.deviceID = hwInfo.platform.usDeviceID;
deviceUUID.revisionID = hwInfo.platform.usRevId;
deviceUUID.pciDomain = static_cast<uint16_t>(pciBusInfo.pciDomain);
deviceUUID.pciBus = static_cast<uint8_t>(pciBusInfo.pciBus);
deviceUUID.pciDev = static_cast<uint8_t>(pciBusInfo.pciDevice);
deviceUUID.pciFunc = static_cast<uint8_t>(pciBusInfo.pciFunction);
deviceUUID.subDeviceID = 0;
static_assert(sizeof(DeviceUUID) == NEO::ProductHelper::uuidSize);
memcpy_s(uuid.data(), NEO::ProductHelper::uuidSize, &deviceUUID, sizeof(DeviceUUID));
return true;
}
return false;
}
ze_result_t WddmSysmanImp::initSurvivabilityMode(std::unique_ptr<NEO::HwDeviceId> hwDeviceId) {
return ZE_RESULT_ERROR_UNINITIALIZED;
}
bool WddmSysmanImp::isDeviceInSurvivabilityMode() {
return pParentSysmanDeviceImp->isDeviceInSurvivabilityMode;
}
OsSysman *OsSysman::create(SysmanDeviceImp *pParentSysmanDeviceImp) {
WddmSysmanImp *pWddmSysmanImp = new WddmSysmanImp(pParentSysmanDeviceImp);
return static_cast<OsSysman *>(pWddmSysmanImp);
}
} // namespace Sysman
} // namespace L0
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