PipEnumerateDevice

NTSTATUS __stdcall PipEnumerateDevice(_DEVICE_NODE *DeviceNode, UINT64 Synchronous, UINT64 OperationsPending){
  int v3; 
  VOID **v5; 
  __int64 v6; 
  _DEVICE_OBJECT *v7; 
  NTSTATUS v8; 
  __int64 v9; 
  NTSTATUS v10; 
  __int64 v12; 
  _DEVICE_OBJECT *PhysicalDeviceObject; 
  int DeviceRelations; 

  v3 = OperationsPending;
  if( (_DWORD)Synchronous
    || (PnpAsyncOptions & 2) == 0
    || (DeviceNode->Flags & 0x800000) != 0
    || InitSafeBootMode
    || (v5 = PnpDeviceCompletionRequestCreate((__int64)DeviceNode, 781)) == 0i64 )
  {
    if( v3 && (DeviceNode->Flags & 0x800000) != 0 )
      return -1073741267;
    PnpDiagnosticTraceObject(&KMPnPEvt_DeviceEnum_Start, &DeviceNode->InstancePath.Length);
    PipClearDevNodeFlags(DeviceNode, 8ui64);
    PoFxActivateDevice(DeviceNode->PhysicalDeviceObject);
    PhysicalDeviceObject = DeviceNode->PhysicalDeviceObject;
    DeviceNode->StateFlags |= 0x80u;
    DeviceRelations = PnpQueryDeviceRelations(PhysicalDeviceObject, 0, 0i64, (UINT64 *)&DeviceNode->OverUsed1);
    PoFxIdleDevice(DeviceNode->PhysicalDeviceObject);
    DeviceNode->StateFlags &= ~0x80u;
    DeviceNode->CompletionStatus = DeviceRelations;
    PipSetDevNodeState(DeviceNode, DeviceNodeEnumerateCompletion);
    PnpDiagnosticTraceObject(&KMPnPEvt_DeviceEnum_Stop, &DeviceNode->InstancePath.Length);
  }
  else
  {
    PipSetDevNodeState(DeviceNode, DeviceNodeEnumeratePending);
    DeviceNode->CompletionStatus = 259;
    PnpDeviceCompletionQueueAddDispatchedRequest(v6, v5);
    PnpDiagnosticTraceObject(&KMPnPEvt_DeviceEnum_Start, &DeviceNode->InstancePath.Length);
    PipClearDevNodeFlags(DeviceNode, 8ui64);
    PoFxActivateDevice(DeviceNode->PhysicalDeviceObject);
    v7 = DeviceNode->PhysicalDeviceObject;
    DeviceNode->StateFlags |= 0x80u;
    v8 = PnpQueryDeviceRelations(
           v7,
           0,
           (int(__fastcall *)(_DEVICE_OBJECT *, _IRP *, void *))PnpDeviceCompletionRoutine,
           (UINT64 *)v5);
    v10 = v8;
    if( v8 == 259 )
    {
      PnpDiagnosticTraceObject(&KMPnPEvt_DeviceEnum_Pend, &DeviceNode->InstancePath.Length);
      return v10;
    }
    if( *((_DWORD *)v5 + 10) != v8 )
    {
      *((_DWORD *)v5 + 10) = v8;
      PnpDiagnosticTraceObject(&KMPnPEvt_DeviceEnum_Stop, &DeviceNode->InstancePath.Length);
      PnpDeviceCompletionQueueDispatchedEntryCompleted(v12, (_LIST_ENTRY *)v5);
    }
    PnpDeviceCompletionQueueRemoveCompletedRequest(v9, v5);
    PnpDeviceCompletionProcessCompletedRequest(v5);
  }
  return 0;
}

Referenced by: