EtwpTraceOpticalIo

VOID __stdcall EtwpTraceOpticalIo(UINT64 Key, UINT64 DiskNumber, _IRP *Irp, _LARGE_INTEGER ResponseTime){
  _IO_STACK_LOCATION *CurrentStackLocation; 
  int v7; 
  unsigned __int8 MajorFunction; 
  _ETHREAD *v9; 
  int v10; 
  UINT16 v11; 
  int *v12; 
  _CDB *ScsiPassThroughCdb; 
  char v14; 
  unsigned __int64 v15; 
  __int16 v16; 
  unsigned int v17; 
  _ETHREAD *v18; 
  int v19; 
  int v20; 
  UINT16 v21; 
  unsigned int Flags; 
  __int64 v23; 
  _ETHREAD *Thread; 
  int UniqueThread; 
  int v26; 
  union {_IRP *MasterIrp;int IrpCount;void *SystemBuffer;} v27; 
  _FILE_OBJECT *OriginalFileObject; 
  int CurrentLocation; 
  int StackCount; 
  _FILE_OBJECT **p_FileObject; 
  int v32; 
  unsigned int v33; 
  int Information; 
  int v35; 
  unsigned __int64 v36; 
  void *FsContext; 
  _IRP *v38; 
  _LARGE_INTEGER v39; 
  int v40; 
  int v41; 
  int v42[2]; 
  _LARGE_INTEGER v43; 
  _IRP *v44; 
  int v45; 
  int v46; 
  int *v47; 
  int v48; 
  int v49; 

  v46 = 0;
  v41 = 0;
  CurrentStackLocation = Irp->Tail.CurrentStackLocation;
  v7 = DiskNumber;
  MajorFunction = CurrentStackLocation->MajorFunction;
  if( (unsigned __int8)(CurrentStackLocation->MajorFunction - 3) <= 1u )
  {
    Information = Irp->IoStatus.Information;
    v32 = DiskNumber;
    v38 = Irp;
    v21 = (MajorFunction != 3) + 311;
    Flags = Irp->Flags;
    v33 = Flags;
    v23 = *(_QWORD *)&CurrentStackLocation->Parameters.FileAttributes;
    v35 = 0;
    v36 = v23;
    Thread = Irp->Tail.Thread;
    v39 = ResponseTime;
    if( Thread )
      UniqueThread = (int)Thread->Cid.UniqueThread;
    else
      UniqueThread = -1;
    v40 = UniqueThread;
    if( (Key & 0xFFFF0000) == 1448280064 )
    {
      v35 = 1;
    }
    else
    {
      v26 = Key & 0xFFFFFF;
      if( v26 == 5467492 || v26 == 5460546 )
        v35 = 2;
    }
    if( (Flags & 8) != 0 )
    {
      v27.MasterIrp = (_IRP *)Irp->AssociatedIrp;
      if( v27.MasterIrp )
      {
        OriginalFileObject = v27.MasterIrp->Tail.OriginalFileObject;
        if( OriginalFileObject )
          goto LABEL_37;
        OriginalFileObject = v27.MasterIrp->Tail.CurrentStackLocation->FileObject;
LABEL_36:
        if( OriginalFileObject )
          goto LABEL_37;
      }
    }
    else
    {
      OriginalFileObject = Irp->Tail.OriginalFileObject;
      if( OriginalFileObject )
      {
LABEL_37:
        FsContext = OriginalFileObject->FsContext;
LABEL_39:
        v48 = 52;
        v11 = v21;
        goto LABEL_40;
      }
      CurrentLocation = (unsigned __int8)Irp->CurrentLocation;
      StackCount = Irp->StackCount;
      if( CurrentLocation <= StackCount )
      {
        p_FileObject = &CurrentStackLocation->FileObject;
        while( 1 )
        {
          OriginalFileObject = *p_FileObject;
          if( *p_FileObject )
            goto LABEL_37;
          LOBYTE(CurrentLocation) = CurrentLocation + 1;
          p_FileObject += 9;
          if( (unsigned __int8)CurrentLocation > StackCount )
            goto LABEL_36;
        }
      }
    }
    FsContext = 0i64;
    goto LABEL_39;
  }
  if( MajorFunction == 9 )
  {
LABEL_3:
    v42[1] = Irp->Flags;
    v9 = Irp->Tail.Thread;
    v42[0] = v7;
    v43 = ResponseTime;
    v44 = Irp;
    if( v9 )
      v10 = (int)v9->Cid.UniqueThread;
    else
      v10 = -1;
    v45 = v10;
    v11 = 313;
    v12 = v42;
    v48 = 28;
    goto LABEL_41;
  }
  if( MajorFunction == 14 )
  {
    ScsiPassThroughCdb = EtwpGetScsiPassThroughCdb(Irp);
    if( ScsiPassThroughCdb )
    {
      v14 = *(_BYTE *)ScsiPassThroughCdb;
      v15 = (*((unsigned __int8 *)ScsiPassThroughCdb + 5) | (unsigned __int64)((*((unsigned __int8 *)ScsiPassThroughCdb
                                                                                + 4) | ((*((unsigned __int8 *)ScsiPassThroughCdb
                                                                                         + 3) | (*((unsigned __int8 *)ScsiPassThroughCdb
                                                                                                 + 2) << 8)) << 8)) << 8)) << 11;
      if( ((v14 - 40) & 0x7F) != 0 )
      {
        if( ((v14 - 42) & 0x7F) != 0 )
        {
          if( v14 != 53 )
            return;
          goto LABEL_3;
        }
        v16 = 312;
      }
      else
      {
        v16 = 311;
      }
      v17 = Irp->Flags;
      v35 = 0;
      FsContext = 0i64;
      v36 = v15;
      v18 = Irp->Tail.Thread;
      v33 = v17;
      v19 = Irp->IoStatus.Information;
      v32 = v7;
      v38 = Irp;
      Information = v19;
      v39 = ResponseTime;
      if( v18 )
        v20 = (int)v18->Cid.UniqueThread;
      else
        v20 = -1;
      v40 = v20;
      v11 = v16;
      v48 = 28;
LABEL_40:
      v12 = &v32;
LABEL_41:
      v49 = 0;
      v47 = v12;
      EtwTraceKernelEvent((__int64)&v47, 1u, 0x80000001, v11, 0x401803u);
    }
  }
}

Referenced by: