ObpReferenceDeviceMap

__int64 __fastcall ObpReferenceDeviceMap(char a1){
  _ETHREAD *CurrentThread; 
  __int64 v3; 
  char v4; 
  struct _DMA_ADAPTER *v5; 
  __int64 v6; 
  _EJOB *ProcessServerSilo; 
  ULONG *v8; 
  ULONG *v9; 
  WCHAR *v10; 
  ULONG *v11; 
  __int64 *CurrentServerSiloGlobals; 
  _ETHREAD *v13; 
  UINT64 v14; 
  struct _DMA_ADAPTER *v16; 
  __int64 v17[9]; 
  BOOL v18; 
  BYTE v19; 
  INT64 v20; 
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v3 = 0i64;
  v4 = 0;
  v5 = 0i64;
  v6 = *((_QWORD *)CurrentThread + 68);
  ProcessServerSilo = (_EJOB *)PsGetProcessServerSilo(v6);
  if( ProcessServerSilo != PsGetCurrentServerSilo() )
    v4 = 1;
  if( (*((_DWORD *)CurrentThread + 324) & 8) == 0 || a1 )
  {
    if( !v4 )
      goto LABEL_5;
  }
  else if( !v4 )
  {
    v16 = (struct _DMA_ADAPTER *)PsReferenceImpersonationTokenEx((INT64)CurrentThread, 1, &v19, &v18, &v20, 0i64);
    v5 = v16;
    if( !v16 )
      goto LABEL_5;
    if( v16[1].DmaOperations != (_DMA_OPERATIONS *)999 )
    {
      v17[0] = 0i64;
      if( SeGetTokenDeviceMap((__int64)v16, v17) >= 0 )
      {
        v3 = v17[0];
        if( v17[0] )
        {
          _InterlockedIncrement((volatile signed __int32 *)(v17[0] + 24));
          goto LABEL_11;
        }
      }
LABEL_5:
      if( !*(_QWORD *)(v6 + 1416) && ObSetCurrentProcessDeviceMap(v9, v8, v10, v11) < 0 )
        goto LABEL_11;
      goto LABEL_6;
    }
    v4 = 1;
  }
LABEL_6:
  CurrentServerSiloGlobals = PsGetCurrentServerSiloGlobals();
  v13 = (_ETHREAD *)KeGetCurrentThread();
  --*((_WORD *)v13 + 243);
  v14 = (UINT64)(CurrentServerSiloGlobals + 15);
  ExAcquirePushLockSharedEx((UINT64)(CurrentServerSiloGlobals + 15), 0i64);
  if( v4 )
    v3 = *CurrentServerSiloGlobals;
  else
    v3 = *(_QWORD *)(v6 + 1416);
  if( v3 )
    _InterlockedIncrement((volatile signed __int32 *)(v3 + 24));
  ExReleasePushLockEx(v14, 0i64);
  KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
LABEL_11:
  if( v5 )
    HalPutDmaAdapter(v5);
  return v3;
}

Referenced by: