49 extern struct cam_periph *xpt_periph;
94 	TAILQ_HEAD(,cam_periph)	 units;
111 typedef void		periph_start_t (struct cam_periph *periph,
113 typedef cam_status	periph_ctor_t (struct cam_periph *periph,
115 typedef void		periph_oninv_t (struct cam_periph *periph);
116 typedef void		periph_dtor_t (struct cam_periph *periph);
117 struct cam_periph {  struct
145 	SLIST_ENTRY(cam_periph)  periph_links;  argument
146 	TAILQ_ENTRY(cam_periph)  unit_links;
168 struct cam_periph *cam_periph_find(struct cam_path *path, char *name);  argument
170 int		cam_periph_acquire(struct cam_periph *periph);
171 void		cam_periph_doacquire(struct cam_periph *periph);
172 void		cam_periph_release(struct cam_periph *periph);
173 void		cam_periph_release_locked(struct cam_periph *periph);
174 void		cam_periph_release_locked_buses(struct cam_periph *periph);
175 int		cam_periph_hold(struct cam_periph *periph, int priority);
176 void		cam_periph_unhold(struct cam_periph *periph);
177 void		cam_periph_hold_boot(struct cam_periph *periph);
178 void		cam_periph_release_boot(struct cam_periph *periph);
179 void		cam_periph_invalidate(struct cam_periph *periph);
185 union ccb	*cam_periph_getccb(struct cam_periph *periph,
193 int		cam_periph_ioctl(struct cam_periph *periph, u_long cmd, 
202 void		cam_periph_async(struct cam_periph *periph, uint32_t code,
204 void		cam_periph_bus_settle(struct cam_periph *periph,
206 void		cam_periph_freeze_after_event(struct cam_periph *periph,
214 cam_periph_mtx(struct cam_periph *periph)  in cam_periph_mtx()
237 static inline struct cam_periph *
240 	struct cam_periph *periph;  in cam_periph_acquire_first()
252 static inline struct cam_periph *
253 cam_periph_acquire_next(struct cam_periph *pperiph)  in cam_periph_acquire_next()
255 	struct cam_periph *periph = pperiph;  in cam_periph_acquire_next()