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[NTOS:EX] Implement SystemFirmwareTableInformation class
This commit is contained in:
Stanislav Motylkov
Mark Jansen
parent
844483504b
commit
d033fe9bbf
1 changed files with 187 additions and 0 deletions
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@ -11,12 +11,18 @@
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/* INCLUDES *****************************************************************/
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/* INCLUDES *****************************************************************/
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#include <ntoskrnl.h>
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#include <ntoskrnl.h>
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#include <wmidata.h>
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#include <wmistr.h>
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#define NDEBUG
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#define NDEBUG
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#include <debug.h>
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#include <debug.h>
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/* The maximum size of an environment value (in bytes) */
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/* The maximum size of an environment value (in bytes) */
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#define MAX_ENVVAL_SIZE 1024
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#define MAX_ENVVAL_SIZE 1024
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#define SIG_ACPI 0x41435049
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#define SIG_FIRM 0x4649524D
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#define SIG_RSMB 0x52534D42
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extern LIST_ENTRY HandleTableListHead;
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extern LIST_ENTRY HandleTableListHead;
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extern EX_PUSH_LOCK HandleTableListLock;
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extern EX_PUSH_LOCK HandleTableListLock;
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@ -239,6 +245,75 @@ ExLockUserBuffer(
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return STATUS_SUCCESS;
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return STATUS_SUCCESS;
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}
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}
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NTSTATUS
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NTAPI
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ExpGetRawSMBiosTable(
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_Out_opt_ PVOID Buffer,
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_Out_ ULONG * OutSize,
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_In_ ULONG BufferSize)
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{
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NTSTATUS Status;
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PVOID DataBlockObject;
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PWNODE_ALL_DATA AllData;
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ULONG WMIBufSize;
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ASSERT(OutSize != NULL);
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*OutSize = 0;
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/* Open the data block object for the SMBIOS table */
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Status = IoWMIOpenBlock(&MSSmBios_RawSMBiosTables_GUID,
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WMIGUID_QUERY,
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&DataBlockObject);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("IoWMIOpenBlock failed: 0x%08lx\n", Status);
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return Status;
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}
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/* Query the required buffer size */
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WMIBufSize = 0;
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Status = IoWMIQueryAllData(DataBlockObject, &WMIBufSize, NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("IoWMIOpenBlock failed: 0x%08lx\n", Status);
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return Status;
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}
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AllData = ExAllocatePoolWithTag(PagedPool, WMIBufSize, 'itfS');
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if (AllData == NULL)
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{
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DPRINT1("Failed to allocate %lu bytes for SMBIOS tables\n", WMIBufSize);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* Query the buffer data */
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Status = IoWMIQueryAllData(DataBlockObject, &WMIBufSize, AllData);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("IoWMIOpenBlock failed: 0x%08lx\n", Status);
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ExFreePoolWithTag(AllData, 'itfS');
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return Status;
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}
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Status = STATUS_SUCCESS;
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*OutSize = AllData->FixedInstanceSize;
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if (Buffer != NULL)
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{
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if (BufferSize >= *OutSize)
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{
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RtlMoveMemory(Buffer, AllData + 1, *OutSize);
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}
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else
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{
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Status = STATUS_BUFFER_TOO_SMALL;
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}
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}
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/* Free the buffer */
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ExFreePoolWithTag(AllData, 'itfS');
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return Status;
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}
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/* FUNCTIONS *****************************************************************/
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/* FUNCTIONS *****************************************************************/
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/*
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/*
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@ -2503,6 +2578,106 @@ QSI_DEF(SystemExtendedHandleInformation)
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return Status;
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return Status;
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}
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}
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/* Class 76 - System firmware table information */
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QSI_DEF(SystemFirmwareTableInformation)
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{
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PSYSTEM_FIRMWARE_TABLE_INFORMATION SysFirmwareInfo = (PSYSTEM_FIRMWARE_TABLE_INFORMATION)Buffer;
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NTSTATUS Status = STATUS_SUCCESS;
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ULONG InputBufSize;
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ULONG DataSize = 0;
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ULONG TableCount = 0;
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DPRINT("NtQuerySystemInformation - SystemFirmwareTableInformation\n");
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/* Set initial required buffer size */
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*ReqSize = FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer);
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/* Check user's buffer size */
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if (Size < *ReqSize)
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{
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return STATUS_INFO_LENGTH_MISMATCH;
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}
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InputBufSize = SysFirmwareInfo->TableBufferLength;
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switch (SysFirmwareInfo->ProviderSignature)
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{
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/*
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* ExpFirmwareTableResource and ExpFirmwareTableProviderListHead
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* variables should be used there somehow...
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*/
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case SIG_ACPI:
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{
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/* FIXME: Not implemented yet */
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DPRINT1("ACPI provider not implemented\n");
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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case SIG_FIRM:
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{
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/* FIXME: Not implemented yet */
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DPRINT1("FIRM provider not implemented\n");
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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case SIG_RSMB:
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{
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Status = ExpGetRawSMBiosTable(NULL, &DataSize, 0);
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if (DataSize > 0)
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{
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TableCount = 1;
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if (SysFirmwareInfo->Action == SystemFirmwareTable_Enumerate)
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{
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DataSize = TableCount * sizeof(ULONG);
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if (DataSize <= InputBufSize)
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{
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*(ULONG *)SysFirmwareInfo->TableBuffer = 0;
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}
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}
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else if (SysFirmwareInfo->Action == SystemFirmwareTable_Get
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&& DataSize <= InputBufSize)
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{
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Status = ExpGetRawSMBiosTable(SysFirmwareInfo->TableBuffer, &DataSize, InputBufSize);
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}
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SysFirmwareInfo->TableBufferLength = DataSize;
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}
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break;
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}
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default:
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{
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DPRINT1("SystemFirmwareTableInformation: Unsupported provider (0x%x)\n",
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SysFirmwareInfo->ProviderSignature);
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Status = STATUS_ILLEGAL_FUNCTION;
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}
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}
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if (NT_SUCCESS(Status))
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{
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switch (SysFirmwareInfo->Action)
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{
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case SystemFirmwareTable_Enumerate:
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case SystemFirmwareTable_Get:
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{
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if (SysFirmwareInfo->TableBufferLength > InputBufSize)
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{
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Status = STATUS_BUFFER_TOO_SMALL;
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}
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break;
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}
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default:
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{
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DPRINT1("SystemFirmwareTableInformation: Unsupported action (0x%x)\n",
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SysFirmwareInfo->Action);
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Status = STATUS_ILLEGAL_FUNCTION;
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}
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}
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}
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else
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{
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SysFirmwareInfo->TableBufferLength = 0;
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}
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return Status;
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}
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/* Query/Set Calls Table */
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/* Query/Set Calls Table */
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typedef
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typedef
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struct _QSSI_CALLS
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struct _QSSI_CALLS
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@ -2590,6 +2765,18 @@ CallQS [] =
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SI_XX(SystemEmulationBasicInformation), /* FIXME: not implemented */
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SI_XX(SystemEmulationBasicInformation), /* FIXME: not implemented */
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SI_XX(SystemEmulationProcessorInformation), /* FIXME: not implemented */
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SI_XX(SystemEmulationProcessorInformation), /* FIXME: not implemented */
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SI_QX(SystemExtendedHandleInformation),
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SI_QX(SystemExtendedHandleInformation),
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SI_XX(SystemLostDelayedWriteInformation), /* FIXME: not implemented */
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SI_XX(SystemBigPoolInformation), /* FIXME: not implemented */
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SI_XX(SystemSessionPoolTagInformation), /* FIXME: not implemented */
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SI_XX(SystemSessionMappedViewInformation), /* FIXME: not implemented */
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SI_XX(SystemHotpatchInformation), /* FIXME: not implemented */
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SI_XX(SystemObjectSecurityMode), /* FIXME: not implemented */
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SI_XX(SystemWatchdogTimerHandler), /* FIXME: not implemented */
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SI_XX(SystemWatchdogTimerInformation), /* FIXME: not implemented */
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SI_XX(SystemLogicalProcessorInformation), /* FIXME: not implemented */
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SI_XX(SystemWow64SharedInformation), /* FIXME: not implemented */
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SI_XX(SystemRegisterFirmwareTableInformationHandler), /* FIXME: not implemented */
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SI_QX(SystemFirmwareTableInformation),
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};
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};
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C_ASSERT(SystemBasicInformation == 0);
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C_ASSERT(SystemBasicInformation == 0);
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