// ntddk.h

typedef enum _HAL_QUERY_INFORMATION_CLASS {
  HalInstalledBusInformation,
  HalProfileSourceInformation,
  HalInformationClassUnused1,
  HalPowerInformation,
  HalProcessorSpeedInformation,
  HalCallbackInformation,
  HalMapRegisterInformation,
  HalMcaLogInformation,
  HalFrameBufferCachingInformation,
  HalDisplayBiosInformation,
  HalProcessorFeatureInformation,
  HalNumaTopologyInterface,
  HalErrorInformation,
  HalCmcLogInformation,
  HalCpeLogInformation,
  HalQueryMcaInterface,
  HalQueryAMLIIllegalIOPortAddresses,
  HalQueryMaxHotPlugMemoryAddress,
  HalPartitionIpiInterface,
  HalPlatformInformation,
  HalQueryProfileSourceList,
  HalInitLogInformation,
  HalFrequencyInformation,
  HalProcessorBrandString,
  HalHypervisorInformation,
  HalPlatformTimerInformation,
  HalAcpiAuditInformation,
  HalIrtInformation,
  HalSecondaryInterruptInformation,
  HalParkingPageInformation,
  HalNumaRangeTableInformation,
  HalChannelTopologyInformation,
  HalExternalCacheInformation,
  HalQueryDebuggerInformation,
  HalFwBootPerformanceInformation,
  HalFwS3PerformanceInformation,
  HalGetChannelPowerInformation,
  HalQueryStateElementInformation,
  HalPsciInformation,
  HalInterruptControllerInformation,
  HalQueryIommuReservedRegionInformation,
  HalQueryArmErrataInformation,
  HalQueryProcessorEfficiencyInformation,
  HalQueryAcpiWakeAlarmSystemPowerStateInformation,
  HalQueryProfileIsTimerBasedProfiling,
  HalQueryProfileNumberOfCounters,
  HalQueryHyperlaunchEntrypoint,
  HalHardwareWatchdogInformation,
  HalDmaRemappingInformation,
  HalQueryUnused0001,
  HalHeterogeneousMemoryAttributesInterface,
  HalQueryPerDeviceMsiLimitInformation,
  HalQueryProfileCorruptionStatus,
  HalQueryProfileCounterOwnership,
  HalQueryMpamInformation,
  HalAmuInformation,
  HalQueryApHibernateResumePc,
  HalQueryArm64PlatformInformation
} HAL_QUERY_INFORMATION_CLASS, *PHAL_QUERY_INFORMATION_CLASS;
View the official Windows Driver Kit DDI reference