PopRequestPowerIrp

__int64 __fastcall PopRequestPowerIrp(
        _DEVICE_OBJECT *a1,
        __int64 a2,
        int a3,
        __int64 a4,
        __int64 a5,
        char a6,
        volatile __int64 *Irp){
  volatile __int64 *v7; 
  char v9; 
  char v11; 
  __int64 result; 
  CHAR v13; 
  UINT64 *v14; 
  IRP *v15; 
  __int64 v16; 
  volatile __int64 *v17; 
  __int64 v18; 
  INT64(__stdcall *v19)(DEVICE_OBJECT *, IRP *, VOID *); 
  volatile __int64 v20; 
  INT64 v21; 
  __int64 v22; 
  __int64 v23; 
  char v24; 
  __int64 v25; 
  unsigned __int8 v26; 
  unsigned __int64 v27; 
  __int64 v28; 
  PVOID retaddr; 
  v7 = Irp;
  v28 = 0i64;
  v9 = a2;
  if( Irp )
    _InterlockedExchange64(Irp, 0i64);
  Irp = 0i64;
  if( !(_BYTE)a2 )
    goto LABEL_21;
  if( (unsigned __int8)(a2 - 2) > 1u )
    return 3221225712i64;
  v11 = 1;
  if( !(_BYTE)PopCurrentBroadcast )
LABEL_21:
    v11 = 0;
  result = PopAllocateIrp(a1, a2, a2, (_BYTE)a2 != 0, a3, v11, a6, a4, a5, (__int64)&Irp, (__int64)&v28);
  if( (int)result >= 0 && (_DWORD)result != 259 )
  {
    v15 = (IRP *)Irp;
    if( Irp )
    {
      v16 = v28;
      v17 = Irp + 23;
      v18 = *((_QWORD *)Irp + 23);
      v19 = PopRequestCompletion;
      *(_QWORD *)(v18 - 16) = PopRequestCompletion;
      *(_QWORD *)(v18 - 8) = v16;
      *(_BYTE *)(v18 - 69) = -32;
      if( v7 )
      {
        _InterlockedExchange64(v7, (__int64)v15);
        v15 = (IRP *)Irp;
        v16 = v28;
      }
      v20 = *v17;
      if( v9 )
      {
        *(_DWORD *)(v20 - 56) = 1;
        *(_DWORD *)(v20 - 48) = a3;
        if( (_BYTE)PopCurrentBroadcast )
        {
          v21 = *(_QWORD *)(v16 + 200);
          if( !v21 || (unsigned int)PopFxGetDeviceDStateReason(v21) == 1 )
          {
            *(_DWORD *)(v20 - 40) = PopMapInternalActionToIrpAction(
                                      SDWORD2(PopCurrentBroadcast),
                                      (_SYSTEM_POWER_STATE)(WORD2(PopCurrentBroadcast) >> 12),
                                      1u);
            *(_DWORD *)(v20 - 64) = DWORD1(PopCurrentBroadcast);
          }
        }
        v22 = *(_QWORD *)(v16 + 200);
        if( v22 && v9 == 2 )
        {
          if( (_InterlockedCompareExchange((volatile signed __int32 *)(v22 + 824), 0, 0) & 0x20) != 0 )
          {
            _m_prefetchw((const void *)(v22 + 32));
            if( (_InterlockedOr((volatile signed __int32 *)(v22 + 32), 0) & 0x2000) != 0 )
            {
              KeAcquireSpinLockRaiseToDpc((UINT64 *)(v22 + 1152), (UINT64)v19);
              *(_DWORD *)(v22 + 1180) |= 1u;
              v27 = v26;
              _InterlockedIncrement((volatile signed __int32 *)(v22 + 1160));
              KxReleaseSpinLock((UINT64 *)(v22 + 1152));
              __writecr8(v27);
            }
          }
          v15 = (IRP *)Irp;
        }
        if( (*(_WORD *)(&PerfGlobalGroupMask + 2) & 0x8000) != 0 )
          PopLogNotifyDevice((__int64)a1, 0i64, (__int64)v15);
        PopQueueQuerySetIrp(v15);
      }
      else
      {
        v23 = *(_QWORD *)(v16 + 200);
        if( v23 )
        {
          _m_prefetchw((const void *)(v23 + 32));
          v24 = _InterlockedOr((volatile signed __int32 *)(v23 + 32), 0);
          v25 = v28;
          v24 &= 1u;
          *(_BYTE *)(v28 + 208) = v24;
          v24 ^= 1u;
          *(_BYTE *)(v25 + 209) = v24;
          v17 = *(volatile __int64 **)(v16 + 200);
          if( v24 )
          {
            PopPepDeviceWaitWake(*((_QWORD *)v17 + 7), 0i64, v13, v14);
          }
          else
          {
            if( _InterlockedExchangeAdd((volatile signed __int32 *)v17 + 61, 0xFFFFFFFF) == 1 )
              KeSetEvent((PRKEVENT)(v17 + 31), 0);
            *(_QWORD *)(v16 + 200) = 0i64;
          }
          v15 = (IRP *)Irp;
        }
        *(_DWORD *)(v20 - 64) = a3;
        PopDiagTraceIrpStart((IRP *)v17, v15);
        IofCallDriverSpecifyReturn(*(DEVICE_OBJECT **)(v20 - 32), v15, retaddr);
      }
      return 259i64;
    }
    else
    {
      return 3221225626i64;
    }
  }
  return result;
}

Referenced by: