//0x4 bytes (sizeof)
enum _SYSTEM_INFORMATION_CLASS
{
SystemBasicInformation = 0,
SystemProcessorInformation = 1,
SystemPerformanceInformation = 2,
SystemTimeOfDayInformation = 3,
SystemPathInformation = 4,
SystemProcessInformation = 5,
SystemCallCountInformation = 6,
SystemDeviceInformation = 7,
SystemProcessorPerformanceInformation = 8,
SystemFlagsInformation = 9,
SystemCallTimeInformation = 10,
SystemModuleInformation = 11,
SystemLocksInformation = 12,
SystemStackTraceInformation = 13,
SystemPagedPoolInformation = 14,
SystemNonPagedPoolInformation = 15,
SystemHandleInformation = 16,
SystemObjectInformation = 17,
SystemPageFileInformation = 18,
SystemVdmInstemulInformation = 19,
SystemVdmBopInformation = 20,
SystemFileCacheInformation = 21,
SystemPoolTagInformation = 22,
SystemInterruptInformation = 23,
SystemDpcBehaviorInformation = 24,
SystemFullMemoryInformation = 25,
SystemLoadGdiDriverInformation = 26,
SystemUnloadGdiDriverInformation = 27,
SystemTimeAdjustmentInformation = 28,
SystemSummaryMemoryInformation = 29,
SystemMirrorMemoryInformation = 30,
SystemPerformanceTraceInformation = 31,
SystemObsolete0 = 32,
SystemExceptionInformation = 33,
SystemCrashDumpStateInformation = 34,
SystemKernelDebuggerInformation = 35,
SystemContextSwitchInformation = 36,
SystemRegistryQuotaInformation = 37,
SystemExtendServiceTableInformation = 38,
SystemPrioritySeperation = 39,
SystemVerifierAddDriverInformation = 40,
SystemVerifierRemoveDriverInformation = 41,
SystemProcessorIdleInformation = 42,
SystemLegacyDriverInformation = 43,
SystemCurrentTimeZoneInformation = 44,
SystemLookasideInformation = 45,
SystemTimeSlipNotification = 46,
SystemSessionCreate = 47,
SystemSessionDetach = 48,
SystemSessionInformation = 49,
SystemRangeStartInformation = 50,
SystemVerifierInformation = 51,
SystemVerifierThunkExtend = 52,
SystemSessionProcessInformation = 53,
SystemLoadGdiDriverInSystemSpace = 54,
SystemNumaProcessorMap = 55,
SystemPrefetcherInformation = 56,
SystemExtendedProcessInformation = 57,
SystemRecommendedSharedDataAlignment = 58,
SystemComPlusPackage = 59,
SystemNumaAvailableMemory = 60,
SystemProcessorPowerInformation = 61,
SystemEmulationBasicInformation = 62,
SystemEmulationProcessorInformation = 63,
SystemExtendedHandleInformation = 64,
SystemLostDelayedWriteInformation = 65,
SystemBigPoolInformation = 66,
SystemSessionPoolTagInformation = 67,
SystemSessionMappedViewInformation = 68,
SystemHotpatchInformation = 69,
SystemObjectSecurityMode = 70,
SystemWatchdogTimerHandler = 71,
SystemWatchdogTimerInformation = 72,
SystemLogicalProcessorInformation = 73,
SystemWow64SharedInformationObsolete = 74,
SystemRegisterFirmwareTableInformationHandler = 75,
SystemFirmwareTableInformation = 76,
SystemModuleInformationEx = 77,
SystemVerifierTriageInformation = 78,
SystemSuperfetchInformation = 79,
SystemMemoryListInformation = 80,
SystemFileCacheInformationEx = 81,
SystemThreadPriorityClientIdInformation = 82,
SystemProcessorIdleCycleTimeInformation = 83,
SystemVerifierCancellationInformation = 84,
SystemProcessorPowerInformationEx = 85,
SystemRefTraceInformation = 86,
SystemSpecialPoolInformation = 87,
SystemProcessIdInformation = 88,
SystemErrorPortInformation = 89,
SystemBootEnvironmentInformation = 90,
SystemHypervisorInformation = 91,
SystemVerifierInformationEx = 92,
SystemTimeZoneInformation = 93,
SystemImageFileExecutionOptionsInformation = 94,
SystemCoverageInformation = 95,
SystemPrefetchPatchInformation = 96,
SystemVerifierFaultsInformation = 97,
SystemSystemPartitionInformation = 98,
SystemSystemDiskInformation = 99,
SystemProcessorPerformanceDistribution = 100,
SystemNumaProximityNodeInformation = 101,
SystemDynamicTimeZoneInformation = 102,
SystemCodeIntegrityInformation = 103,
SystemProcessorMicrocodeUpdateInformation = 104,
SystemProcessorBrandString = 105,
SystemVirtualAddressInformation = 106,
SystemLogicalProcessorAndGroupInformation = 107,
SystemProcessorCycleTimeInformation = 108,
SystemStoreInformation = 109,
SystemRegistryAppendString = 110,
SystemAitSamplingValue = 111,
SystemVhdBootInformation = 112,
SystemCpuQuotaInformation = 113,
SystemNativeBasicInformation = 114,
SystemErrorPortTimeouts = 115,
SystemLowPriorityIoInformation = 116,
SystemBootEntropyInformation = 117,
SystemVerifierCountersInformation = 118,
SystemPagedPoolInformationEx = 119,
SystemSystemPtesInformationEx = 120,
SystemNodeDistanceInformation = 121,
SystemAcpiAuditInformation = 122,
SystemBasicPerformanceInformation = 123,
SystemQueryPerformanceCounterInformation = 124,
SystemSessionBigPoolInformation = 125,
SystemBootGraphicsInformation = 126,
SystemScrubPhysicalMemoryInformation = 127,
SystemBadPageInformation = 128,
SystemProcessorProfileControlArea = 129,
SystemCombinePhysicalMemoryInformation = 130,
SystemEntropyInterruptTimingInformation = 131,
SystemConsoleInformation = 132,
SystemPlatformBinaryInformation = 133,
SystemPolicyInformation = 134,
SystemHypervisorProcessorCountInformation = 135,
SystemDeviceDataInformation = 136,
SystemDeviceDataEnumerationInformation = 137,
SystemMemoryTopologyInformation = 138,
SystemMemoryChannelInformation = 139,
SystemBootLogoInformation = 140,
SystemProcessorPerformanceInformationEx = 141,
SystemCriticalProcessErrorLogInformation = 142,
SystemSecureBootPolicyInformation = 143,
SystemPageFileInformationEx = 144,
SystemSecureBootInformation = 145,
SystemEntropyInterruptTimingRawInformation = 146,
SystemPortableWorkspaceEfiLauncherInformation = 147,
SystemFullProcessInformation = 148,
SystemKernelDebuggerInformationEx = 149,
SystemBootMetadataInformation = 150,
SystemSoftRebootInformation = 151,
SystemElamCertificateInformation = 152,
SystemOfflineDumpConfigInformation = 153,
SystemProcessorFeaturesInformation = 154,
SystemRegistryReconciliationInformation = 155,
SystemEdidInformation = 156,
SystemManufacturingInformation = 157,
SystemEnergyEstimationConfigInformation = 158,
SystemHypervisorDetailInformation = 159,
SystemProcessorCycleStatsInformation = 160,
SystemVmGenerationCountInformation = 161,
SystemTrustedPlatformModuleInformation = 162,
SystemKernelDebuggerFlags = 163,
SystemCodeIntegrityPolicyInformation = 164,
SystemIsolatedUserModeInformation = 165,
SystemHardwareSecurityTestInterfaceResultsInformation = 166,
SystemSingleModuleInformation = 167,
SystemAllowedCpuSetsInformation = 168,
SystemVsmProtectionInformation = 169,
SystemInterruptCpuSetsInformation = 170,
SystemSecureBootPolicyFullInformation = 171,
SystemCodeIntegrityPolicyFullInformation = 172,
SystemAffinitizedInterruptProcessorInformation = 173,
SystemRootSiloInformation = 174,
SystemCpuSetInformation = 175,
SystemCpuSetTagInformation = 176,
SystemWin32WerStartCallout = 177,
SystemSecureKernelProfileInformation = 178,
SystemCodeIntegrityPlatformManifestInformation = 179,
SystemInterruptSteeringInformation = 180,
SystemSupportedProcessorArchitectures = 181,
SystemMemoryUsageInformation = 182,
SystemCodeIntegrityCertificateInformation = 183,
SystemPhysicalMemoryInformation = 184,
SystemControlFlowTransition = 185,
SystemKernelDebuggingAllowed = 186,
SystemActivityModerationExeState = 187,
SystemActivityModerationUserSettings = 188,
SystemCodeIntegrityPoliciesFullInformation = 189,
SystemCodeIntegrityUnlockInformation = 190,
SystemIntegrityQuotaInformation = 191,
SystemFlushInformation = 192,
SystemProcessorIdleMaskInformation = 193,
SystemSecureDumpEncryptionInformation = 194,
SystemWriteConstraintInformation = 195,
SystemKernelVaShadowInformation = 196,
SystemHypervisorSharedPageInformation = 197,
SystemFirmwareBootPerformanceInformation = 198,
SystemCodeIntegrityVerificationInformation = 199,
SystemFirmwarePartitionInformation = 200,
SystemSpeculationControlInformation = 201,
SystemDmaGuardPolicyInformation = 202,
SystemEnclaveLaunchControlInformation = 203,
SystemWorkloadAllowedCpuSetsInformation = 204,
SystemCodeIntegrityUnlockModeInformation = 205,
SystemLeapSecondInformation = 206,
SystemFlags2Information = 207,
SystemSecurityModelInformation = 208,
SystemCodeIntegritySyntheticCacheInformation = 209,
SystemFeatureConfigurationInformation = 210,
SystemFeatureConfigurationSectionInformation = 211,
SystemFeatureUsageSubscriptionInformation = 212,
SystemSecureSpeculationControlInformation = 213,
SystemSpacesBootInformation = 214,
SystemFwRamdiskInformation = 215,
SystemWheaIpmiHardwareInformation = 216,
SystemDifSetRuleClassInformation = 217,
SystemDifClearRuleClassInformation = 218,
SystemDifApplyPluginVerificationOnDriver = 219,
SystemDifRemovePluginVerificationOnDriver = 220,
SystemShadowStackInformation = 221,
SystemBuildVersionInformation = 222,
SystemPoolLimitInformation = 223,
SystemCodeIntegrityAddDynamicStore = 224,
SystemCodeIntegrityClearDynamicStores = 225,
SystemPoolZeroingInformation = 227,
MaxSystemInfoClass = 228
};