353 enum action {Fail = 0, Ok = 1, Hold, Wait};  enum
356 static enum action (*phase)(void);
377 static enum action do_pd_io_start(void);
378 static enum action pd_special(void);
379 static enum action do_pd_read_start(void);
380 static enum action do_pd_write_start(void);
381 static enum action do_pd_read_drq(void);
382 static enum action do_pd_write_done(void);
393 		enum action res;  in run_fsm()
445 static enum action do_pd_io_start(void)  in do_pd_io_start()
469 static enum action pd_special(void)  in pd_special()
471 	enum action (*func)(struct pd_unit *) = pd_req->special;  in pd_special()
497 static enum action do_pd_read_start(void)  in do_pd_read_start()
512 static enum action do_pd_write_start(void)  in do_pd_write_start()
544 static enum action do_pd_read_drq(void)  in do_pd_read_drq()
565 static enum action do_pd_write_done(void)  in do_pd_write_done()
598 static enum action pd_door_lock(struct pd_unit *disk)  in pd_door_lock()
607 static enum action pd_door_unlock(struct pd_unit *disk)  in pd_door_unlock()
616 static enum action pd_eject(struct pd_unit *disk)  in pd_eject()
627 static enum action pd_media_check(struct pd_unit *disk)  in pd_media_check()
652 static enum action pd_identify(struct pd_unit *disk)  in pd_identify()
721 		      enum action (*func)(struct pd_unit *disk))  in pd_special_command()