void port_disconnect_release(struct port_list *portlist, int message_type, union parameter *param);
void port_timeout(struct port_list *portlist, int message_type, union parameter *param);
void port_notify(struct port_list *portlist, int message_type, union parameter *param);
+ void port_progress(struct port_list *portlist, int message_type, union parameter *param);
void port_facility(struct port_list *portlist, int message_type, union parameter *param);
void port_suspend(struct port_list *portlist, int message_type, union parameter *param);
void port_resume(struct port_list *portlist, int message_type, union parameter *param);