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);
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()  argument
216 	if (periph != NULL)  in cam_periph_mtx()
217 		return (xpt_path_mtx(periph->path));  in cam_periph_mtx()
222 #define cam_periph_owned(periph)					\  argument
223 	mtx_owned(xpt_path_mtx((periph)->path))
225 #define cam_periph_lock(periph)						\  argument
226 	mtx_lock(xpt_path_mtx((periph)->path))
228 #define cam_periph_unlock(periph)					\  argument
229 	mtx_unlock(xpt_path_mtx((periph)->path))
231 #define cam_periph_assert(periph, what)					\  argument
232 	mtx_assert(xpt_path_mtx((periph)->path), (what))
234 #define cam_periph_sleep(periph, chan, priority, wmesg, timo)		\  argument
235 	xpt_path_sleep((periph)->path, (chan), (priority), (wmesg), (timo))
240 	struct cam_periph *periph;  in cam_periph_acquire_first()  local
243 	periph = TAILQ_FIRST(&driver->units);  in cam_periph_acquire_first()
244 	while (periph != NULL && (periph->flags & CAM_PERIPH_INVALID) != 0)  in cam_periph_acquire_first()
245 		periph = TAILQ_NEXT(periph, unit_links);  in cam_periph_acquire_first()
246 	if (periph != NULL)  in cam_periph_acquire_first()
247 		periph->refcount++;  in cam_periph_acquire_first()
249 	return (periph);  in cam_periph_acquire_first()
255 	struct cam_periph *periph = pperiph;  in cam_periph_acquire_next()  local
260 		periph = TAILQ_NEXT(periph, unit_links);  in cam_periph_acquire_next()
261 	} while (periph != NULL && (periph->flags & CAM_PERIPH_INVALID) != 0);  in cam_periph_acquire_next()
262 	if (periph != NULL)  in cam_periph_acquire_next()
263 		periph->refcount++;  in cam_periph_acquire_next()
266 	return (periph);  in cam_periph_acquire_next()
269 #define CAM_PERIPH_FOREACH(periph, driver)				\  argument
270 	for ((periph) = cam_periph_acquire_first(driver);		\
271 	    (periph) != NULL;						\
272 	    (periph) = cam_periph_acquire_next(periph))
275     printf("%s%d:" msg, (periph)->periph_name, (periph)->unit_number, ##args)