Generic device state PGS_CONNECTED_TO_HOST : device is used by host PGS_CONNECTED_TO_VM : device is used by VM PGS_RESERVED : reserved value PGS_NON_CONTROLLED_USB : USB device is not controlled PGS_CONNECTING_TO_VM : device belong to VM, but prl_usb_dev still not started

enum _PRL_GENERIC_DEVICE_STATE {
  PGS_CONNECTED_TO_HOST = 0,
  PGS_CONNECTED_TO_VM = 1,
  PGS_RESERVED = 2,
  PGS_NON_CONTROLLED_USB = PGS_RESERVED,
  PGS_CONNECTING_TO_VM = 3
};