VfIrpSendSynchronousIrp

UINT64 __fastcall VfIrpSendSynchronousIrp(
        _DEVICE_OBJECT *DeviceObject,
        _IO_STACK_LOCATION *TopStackLocation,
        UINT64 Untouchable,
        INT64 InitialStatus,
        UINT64 InitialInformation,
        UINT64 *FinalInformation,
        INT64 *FinalStatus){
  int v7; 
  int v8; 
  DEVICE_OBJECT *AttachedDeviceReference; 
  _IRP *Irp; 
  _IRP *v12; 
  __int64 v14; 
  __int128 v15; 
  __int128 v16; 
  __int128 v17; 
  __int64 v18; 
  NTSTATUS v19; 
  struct _KEVENT Event; 
  v7 = InitialStatus;
  v8 = Untouchable;
  memset(&Event, 0, sizeof(Event));
  if( FinalInformation )
    *FinalInformation = 0i64;
  if( FinalStatus )
    *(_DWORD *)FinalStatus = 0;
  AttachedDeviceReference = IoGetAttachedDeviceReference(DeviceObject);
  Irp = IoAllocateIrpEx(AttachedDeviceReference, *((_BYTE *)AttachedDeviceReference + 76), 0);
  v12 = Irp;
  if( Irp )
  {
    if( v8 )
      IovUtilWatermarkIrp(Irp, 2ui64);
    *((_DWORD *)v12 + 12) = v7;
    *((_QWORD *)v12 + 7) = InitialInformation;
    KeInitializeEvent(&Event, SynchronizationEvent, 0);
    v14 = *((_QWORD *)v12 + 23);
    v15 = *((_OWORD *)TopStackLocation + 1);
    *(_OWORD *)(v14 - 72) = *(_OWORD *)TopStackLocation;
    v16 = *((_OWORD *)TopStackLocation + 2);
    *(_OWORD *)(v14 - 56) = v15;
    v17 = *((_OWORD *)TopStackLocation + 3);
    *(_OWORD *)(v14 - 40) = v16;
    *(_QWORD *)&v16 = *((_QWORD *)TopStackLocation + 8);
    *(_OWORD *)(v14 - 24) = v17;
    *(_QWORD *)(v14 - 8) = v16;
    v18 = *((_QWORD *)v12 + 23);
    *(_QWORD *)(v18 - 16) = ViIrpSynchronousCompletionRoutine;
    *(_QWORD *)(v18 - 8) = &Event;
    *(_BYTE *)(v18 - 69) = -32;
    v19 = IofCallDriver(AttachedDeviceReference, v12);
    HalPutDmaAdapter((PADAPTER_OBJECT)AttachedDeviceReference);
    if( v19 == 259 )
    {
      KeWaitForSingleObject(&Event, Executive, 0, 0, 0i64);
      v19 = *((_DWORD *)v12 + 12);
    }
    if( FinalStatus )
      *(_DWORD *)FinalStatus = v19;
    if( FinalInformation )
      *FinalInformation = *((_QWORD *)v12 + 7);
    IoFreeIrp(v12);
    return 1i64;
  }
  else
  {
    HalPutDmaAdapter((PADAPTER_OBJECT)AttachedDeviceReference);
    return 0i64;
  }
}

Referenced by: