351 enum action {Fail = 0, Ok = 1, Hold, Wait};  enum
354 static enum action (*phase)(void);
375 static enum action do_pd_io_start(void);
376 static enum action pd_special(void);
377 static enum action do_pd_read_start(void);
378 static enum action do_pd_write_start(void);
379 static enum action do_pd_read_drq(void);
380 static enum action do_pd_write_done(void);
391 		enum action res;  in run_fsm()
443 static enum action do_pd_io_start(void)  in do_pd_io_start()
467 static enum action pd_special(void)  in pd_special()
469 	enum action (*func)(struct pd_unit *) = pd_req->special;  in pd_special()
495 static enum action do_pd_read_start(void)  in do_pd_read_start()
510 static enum action do_pd_write_start(void)  in do_pd_write_start()
542 static enum action do_pd_read_drq(void)  in do_pd_read_drq()
563 static enum action do_pd_write_done(void)  in do_pd_write_done()
596 static enum action pd_door_lock(struct pd_unit *disk)  in pd_door_lock()
605 static enum action pd_door_unlock(struct pd_unit *disk)  in pd_door_unlock()
614 static enum action pd_eject(struct pd_unit *disk)  in pd_eject()
625 static enum action pd_media_check(struct pd_unit *disk)  in pd_media_check()
650 static enum action pd_identify(struct pd_unit *disk)  in pd_identify()
719 		      enum action (*func)(struct pd_unit *disk))  in pd_special_command()