PiDevCfgProcessDeviceCallback

__int64 __fastcall PiDevCfgProcessDeviceCallback(__int64 a1, __int64 a2){
  __int64 *v4; 
  bool v5; 
  const wchar_t *v6; 
  int v7; 
  __int64 v9; 
  int v10; 
  int v11; 
  __int64 v12; 
  int v13; 
  UNICODE_STRING *PoolWithTag; 
  __int64 **v15; 
  _DEVICE_OBJECT *v16; 
  void *Handle[2]; 
  __int64 result[16]; 
  __int64 v19; 
  int v20; 
  int a5; 
  UINT64 v22; 
  v4 = 0i64;
  memset((INT64)result, 0i64);
  v5 = (*(_DWORD *)(a1 + 704) & 0x1000) == 0;
  Handle[0] = 0i64;
  LODWORD(v19) = 0;
  LODWORD(v22) = 0;
  a5 = 1;
  v20 = 0;
  if( v5
    || !*(_QWORD *)(a1 + 48)
    || (int)CmOpenDeviceRegKey(PiPnpRtlCtx, *(const wchar_t **)(a1 + 48), 16, 0, 983103, 0, (__int64)Handle, 0i64) < 0 )
  {
    goto LABEL_11;
  }
  v6 = *(const wchar_t **)(a1 + 48);
  v20 = 4;
  if( (int)CmGetDeviceRegProp(PiPnpRtlCtx, v6, (__int64)Handle[0], 11, (__int64)&a5, (__int64)&v19, (__int64)&v20, 0) >= 0
    && a5 == 4
    && v20 == 4 )
  {
    v7 = v19;
  }
  else
  {
    v7 = 0;
    LODWORD(v19) = 0;
  }
  if( (v7 & 0x40000) != 0 )
  {
    if( (int)PiDevCfgInitDeviceContext(*(const wchar_t **)(a1 + 48), (__int64)Handle[0], result) < 0 )
      goto LABEL_11;
    LOBYTE(v9) = (PiDevCfgFlags & 2) != 0;
    if( ((unsigned __int8)v9 & ((v19 & 0x400) != 0)) != 0 )
    {
      v10 = v19 & 0xFFFFFFDF;
    }
    else
    {
      v11 = PiDevCfgCheckDeviceNeedsUpdate((INT64)result, &v22);
      v10 = v19;
      if( v11 >= 0 )
        v10 = v22 | v19;
    }
    LODWORD(v19) = v10 & 0xFFFBFFFF;
    PiDevCfgSetDeviceRegProp(v9, (__int64)result, 11, 4, (__int64)&v19, 4);
    LOBYTE(v7) = v19;
  }
  if( (v7 & 2) == 0 )
  {
    if( (v7 & 0x20) == 0 )
      goto LABEL_11;
    v16 = *(_DEVICE_OBJECT **)(a1 + 32);
    if( (*(_DWORD *)(a1 + 396) & 0x6000) != 0 )
    {
      PnpRequestDeviceAction(v16, ClearDeviceProblem, 1u, 0i64, 0i64, 0i64);
      PnpRequestDeviceAction(*(_DEVICE_OBJECT **)(a1 + 32), StartDevice, 1u, 0i64, 0i64, 0i64);
      goto LABEL_11;
    }
    PnpSetTargetDeviceRemove(v16, 0, 0, 0, 0, 18, -1073740651, 0i64, 0i64, 0i64, 0i64, 0i64, 0i64, 0i64);
    goto LABEL_31;
  }
  if( (unsigned int)PipAreDriversLoaded((_DEVICE_NODE *)a1) )
  {
    LODWORD(v19) = v13 & 0xFFFFFFFD;
    PiDevCfgSetDeviceRegProp(v12, (__int64)result, 11, 4, (__int64)&v19, 4);
    goto LABEL_11;
  }
  PoolWithTag = (UNICODE_STRING *)ExAllocatePoolWithTag(PagedPool, 0x20ui64, 0x63647050ui64);
  v4 = (__int64 *)PoolWithTag;
  if( PoolWithTag )
  {
    *PoolWithTag = 0i64;
    PoolWithTag[1] = 0i64;
    if( !PnpDuplicateUnicodeString(PoolWithTag + 1, (UNICODE_STRING *)(a1 + 40)) )
    {
LABEL_31:
      if( v4 )
        ExFreePoolWithTag(v4, 0);
      goto LABEL_11;
    }
    v15 = *(__int64 ***)(a2 + 8);
    if( *v15 != (__int64 *)a2 )
      __fastfail(3u);
    *v4 = a2;
    v4[1] = (__int64)v15;
    *v15 = v4;
    *(_QWORD *)(a2 + 8) = v4;
  }
LABEL_11:
  PiDevCfgFreeDeviceContext((INT64)result);
  if( Handle[0] )
    ZwClose(Handle[0]);
  return 0i64;
}

Referenced by: