PoFxRegisterDevice

INT64 __stdcall PoFxRegisterDevice(DEVICE_OBJECT *DeviceObject, PO_FX_DEVICE_V1 *Device, POHANDLE **Handle){
  _PO_FX_COMPONENT_V2 *p_IdleStateCount; 
  PO_FX_DEVICE_V1 *v4; 
  ULONG Version; 
  void(__fastcall *v8)(void *, unsigned int); 
  void(__fastcall *v9)(void *, unsigned int); 
  UINT64 v10; 
  PO_FX_COMPONENT_V2 *v11; 
  ULONG v12; 
  PPO_FX_COMPONENT_ACTIVE_CONDITION_CALLBACK Flags; 
  PPO_FX_COMPONENT_IDLE_STATE DeviceContext; 
  char v15; 
  int v16; 
  int(__fastcall *v18)(void *, const _GUID *, void *, unsigned __int64, void *, unsigned __int64, unsigned __int64 *); 
  int IdleStateCount; 
  POHANDLE *v20; 
  PPO_FX_COMPONENT_ACTIVE_CONDITION_CALLBACK ComponentActiveConditionCallback; 
  _POP_FX_DRIVER_CALLBACKS Callbacks; 
  ULONG ComponentCount; 
  POHANDLE **v24; 
  _PO_FX_COMPONENT_IDLE_STATE *v25; 
  v24 = Handle;
  p_IdleStateCount = 0i64;
  v4 = 0i64;
  if( !DeviceObject )
    return(unsigned int)-1073741811;
  Version = Device->Version;
  v8 = 0i64;
  v9 = 0i64;
  memset(&Callbacks.ComponentCriticalTransition, 0, 32);
  if( Version == 1 )
  {
    PopPrintEx(1ui64, (INT8 *)"Device using PO_FX_VERSION_V1: devobj 0x%p");
    PopPrintEx(1ui64, (INT8 *)" - Driver: \"%wZ\"");
    PopPrintEx(1ui64, (INT8 *)"\n");
    v10 = Device->ComponentCount;
    v25 = (_PO_FX_COMPONENT_IDLE_STATE *)Device->DeviceContext;
    Callbacks.ComponentActive = (void(__fastcall *)(void *, unsigned int))Device->ComponentActiveConditionCallback;
    Callbacks.ComponentIdle = (void(__fastcall *)(void *, unsigned int))Device->ComponentIdleConditionCallback;
    Callbacks.ComponentIdleState = (void(__fastcall *)(void *, unsigned int, unsigned int))Device->ComponentIdleStateCallback;
    Callbacks.DevicePowerRequired = (void(__fastcall *)(void *))Device->DevicePowerRequiredCallback;
    Callbacks.DevicePowerNotRequired = (void(__fastcall *)(void *))Device->DevicePowerNotRequiredCallback;
    Callbacks.PowerControl = (int(__fastcall *)(void *, const _GUID *, void *, unsigned __int64, void *, unsigned __int64, unsigned __int64 *))Device->PowerControlCallback;
    ComponentCount = v10;
    v11 = PopFxConvertV1Components(Device->Components, v10);
    v12 = ComponentCount;
    p_IdleStateCount = v11;
    Flags = 0i64;
    DeviceContext = v25;
    Handle = v24;
  }
  else
  {
    if( Version == 2 )
    {
      p_IdleStateCount = (_PO_FX_COMPONENT_V2 *)&Device->Components[0].IdleStateCount;
      v12 = *(_DWORD *)Device->Components[0].Id.Data4;
      DeviceContext = *(PPO_FX_COMPONENT_IDLE_STATE *)&Device->Components[0].Id.Data1;
      Callbacks.ComponentActive = (void(__fastcall *)(void *, unsigned int))Device->ComponentIdleConditionCallback;
      Callbacks.ComponentIdle = (void(__fastcall *)(void *, unsigned int))Device->ComponentIdleStateCallback;
      Callbacks.ComponentIdleState = (void(__fastcall *)(void *, unsigned int, unsigned int))Device->DevicePowerRequiredCallback;
      Callbacks.DevicePowerRequired = (void(__fastcall *)(void *))Device->DevicePowerNotRequiredCallback;
      Callbacks.DevicePowerNotRequired = (void(__fastcall *)(void *))Device->PowerControlCallback;
      v18 = (int(__fastcall *)(void *, const _GUID *, void *, unsigned __int64, void *, unsigned __int64, unsigned __int64 *))Device->DeviceContext;
    }
    else
    {
      if( Version != 3 )
        goto LABEL_36;
      p_IdleStateCount = (_PO_FX_COMPONENT_V2 *)&Device[1].ComponentActiveConditionCallback;
      v8 = *(void(__fastcall **)(void *, unsigned int))&Device->Components[0].Id.Data1;
      v4 = Device;
      v9 = *(void(__fastcall **)(void *, unsigned int))Device->Components[0].Id.Data4;
      v12 = Device[1].Version;
      Callbacks.ComponentActive = (void(__fastcall *)(void *, unsigned int))Device->ComponentIdleConditionCallback;
      Callbacks.ComponentIdle = (void(__fastcall *)(void *, unsigned int))Device->ComponentIdleStateCallback;
      Callbacks.ComponentIdleState = (void(__fastcall *)(void *, unsigned int, unsigned int))Device->DevicePowerRequiredCallback;
      Callbacks.DevicePowerRequired = (void(__fastcall *)(void *))Device->DevicePowerNotRequiredCallback;
      Callbacks.DevicePowerNotRequired = (void(__fastcall *)(void *))Device->PowerControlCallback;
      v18 = (int(__fastcall *)(void *, const _GUID *, void *, unsigned __int64, void *, unsigned __int64, unsigned __int64 *))Device->DeviceContext;
      DeviceContext = Device->Components[0].IdleStates;
      Callbacks.DirectedPowerUpCallback = v8;
      Callbacks.DirectedPowerDownCallback = v9;
    }
    Callbacks.PowerControl = v18;
    Flags = Device->ComponentActiveConditionCallback;
  }
  v15 = 0;
  if( v8 )
  {
    if( v9 )
    {
      v15 = 1;
      goto LABEL_6;
    }
  }
  else if( !v9 )
  {
LABEL_6:
    v16 = PopFxRegisterDevice(
            DeviceObject,
            &Callbacks,
            p_IdleStateCount,
            v12,
            DeviceContext,
            (UINT64)Flags,
            (POHANDLE__ **)Handle);
    if( v16 >= 0 && v15 )
    {
      IdleStateCount = v4->Components[0].IdleStateCount;
      v20 = *v24;
      if( IdleStateCount == -1 )
      {
        *((_DWORD *)v20 + 228) = 0;
      }
      else
      {
        if( !IdleStateCount )
          IdleStateCount = PopFxDirectedFxDefaultTimeout;
        *((_DWORD *)v20 + 228) = IdleStateCount;
      }
      ComponentActiveConditionCallback = v4->ComponentActiveConditionCallback;
      if( ((unsigned __int8)ComponentActiveConditionCallback & 2) != 0 )
      {
        _InterlockedOr((volatile signed __int32 *)v20 + 206, 0x200u);
        ComponentActiveConditionCallback = v4->ComponentActiveConditionCallback;
      }
      if( ((unsigned __int8)ComponentActiveConditionCallback & 4) != 0 )
        _InterlockedOr((volatile signed __int32 *)v20 + 206, 0x400u);
      _InterlockedOr((volatile signed __int32 *)v20 + 206, 0x20u);
      if( !Callbacks.ComponentActive
        && !Callbacks.ComponentIdle
        && !Callbacks.ComponentIdleState
        && !Callbacks.DevicePowerRequired
        && !Callbacks.DevicePowerNotRequired )
      {
        _InterlockedOr((volatile signed __int32 *)v20 + 206, 1u);
      }
    }
    goto LABEL_8;
  }
LABEL_36:
  v16 = -1073741811;
LABEL_8:
  if( p_IdleStateCount && Device->Version == 1 )
    ExFreePoolWithTag(p_IdleStateCount, 0x4D584650u);
  return(unsigned int)v16;
}

Referenced by: