185 static	void		chdone(struct cam_periph *periph,
189 static	int		chmove(struct cam_periph *periph,
191 static	int		chexchange(struct cam_periph *periph,
193 static	int		chposition(struct cam_periph *periph,
195 static	int		chgetelemstatus(struct cam_periph *periph,
198 static	int		chsetvoltag(struct cam_periph *periph,
200 static	int		chielem(struct cam_periph *periph, 
202 static	int		chgetparams(struct cam_periph *periph);
203 static	int		chscsiversion(struct cam_periph *periph);
245 	struct cam_periph *periph;  in chdevgonecb()  local
249 	periph = (struct cam_periph *)arg;  in chdevgonecb()
250 	mtx = cam_periph_mtx(periph);  in chdevgonecb()
253 	softc = (struct ch_softc *)periph->softc;  in chdevgonecb()
263 		cam_periph_release_locked(periph);  in chdevgonecb()
270 	cam_periph_release_locked(periph);  in chdevgonecb()
283 choninvalidate(struct cam_periph *periph)  in choninvalidate()  argument
287 	softc = (struct ch_softc *)periph->softc;  in choninvalidate()
292 	xpt_register_async(0, chasync, periph, periph->path);  in choninvalidate()
300 	destroy_dev_sched_cb(softc->dev, chdevgonecb, periph);  in choninvalidate()
304 chcleanup(struct cam_periph *periph)  in chcleanup()  argument
308 	softc = (struct ch_softc *)periph->softc;  in chcleanup()
318 	struct cam_periph *periph;  in chasync()  local
320 	periph = (struct cam_periph *)callback_arg;  in chasync()
357 		cam_periph_async(periph, code, path, arg);  in chasync()
363 chregister(struct cam_periph *periph, void *arg)  in chregister()  argument
387 	periph->softc = softc;  in chregister()
398 	xpt_path_inq(&cpi, periph->path);  in chregister()
404 	cam_periph_unlock(periph);  in chregister()
406 			  periph->unit_number, 0,  in chregister()
417 	if (cam_periph_acquire(periph) != 0) {  in chregister()
418 		xpt_print(periph->path, "%s: lost periph during "  in chregister()
420 		cam_periph_lock(periph);  in chregister()
427 	args.mda_unit = periph->unit_number;  in chregister()
431 	args.mda_si_drv1 = periph;  in chregister()
432 	error = make_dev_s(&args, &softc->dev, "%s%d", periph->periph_name,  in chregister()
433 	    periph->unit_number);  in chregister()
434 	cam_periph_lock(periph);  in chregister()
436 		cam_periph_release_locked(periph);  in chregister()
444 	xpt_register_async(AC_LOST_DEVICE, chasync, periph, periph->path);  in chregister()
450 	(void)cam_periph_hold(periph, PRIBIO);  in chregister()
451 	xpt_schedule(periph, CAM_PRIORITY_DEV);  in chregister()
459 	struct cam_periph *periph;  in chopen()  local
463 	periph = (struct cam_periph *)dev->si_drv1;  in chopen()
464 	if (cam_periph_acquire(periph) != 0)  in chopen()
467 	softc = (struct ch_softc *)periph->softc;  in chopen()
469 	cam_periph_lock(periph);  in chopen()
472 		cam_periph_release_locked(periph);  in chopen()
473 		cam_periph_unlock(periph);  in chopen()
477 	if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {  in chopen()
478 		cam_periph_unlock(periph);  in chopen()
479 		cam_periph_release(periph);  in chopen()
486 	if ((error = chgetparams(periph)) != 0) {  in chopen()
487 		cam_periph_unhold(periph);  in chopen()
488 		cam_periph_release_locked(periph);  in chopen()
489 		cam_periph_unlock(periph);  in chopen()
493 	cam_periph_unhold(periph);  in chopen()
497 	cam_periph_unlock(periph);  in chopen()
505 	struct	cam_periph *periph;  in chclose()  local
509 	periph = (struct cam_periph *)dev->si_drv1;  in chclose()
510 	mtx = cam_periph_mtx(periph);  in chclose()
513 	softc = (struct ch_softc *)periph->softc;  in chclose()
516 	cam_periph_release_locked(periph);  in chclose()
536 chstart(struct cam_periph *periph, union ccb *start_ccb)  in chstart()  argument
540 	softc = (struct ch_softc *)periph->softc;  in chstart()
594 chdone(struct cam_periph *periph, union ccb *done_ccb)  in chdone()  argument
599 	softc = (struct ch_softc *)periph->softc;  in chdone()
640 				xpt_announce_periph(periph, announce_buf);  in chdone()
641 				xpt_announce_quirks(periph, softc->quirks,  in chdone()
678 				    (periph->flags & CAM_PERIPH_INVALID) == 0) {  in chdone()
701 					xpt_print(periph->path,  in chdone()
705 				xpt_print(periph->path, "fatal error, failed "  in chdone()
708 				cam_periph_invalidate(periph);  in chdone()
722 		cam_periph_unhold(periph);  in chdone()
741 	struct cam_periph *periph;  in chioctl()  local
745 	periph = (struct cam_periph *)dev->si_drv1;  in chioctl()
746 	cam_periph_lock(periph);  in chioctl()
747 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n"));  in chioctl()
749 	softc = (struct ch_softc *)periph->softc;  in chioctl()
753 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,   in chioctl()
769 			cam_periph_unlock(periph);  in chioctl()
776 		error = chmove(periph, (struct changer_move *)addr);  in chioctl()
780 		error = chexchange(periph, (struct changer_exchange *)addr);  in chioctl()
784 		error = chposition(periph, (struct changer_position *)addr);  in chioctl()
813 		error = chielem(periph, *(unsigned int *)addr);  in chioctl()
818 		error = chgetelemstatus(periph, SCSI_REV_2, cmd,  in chioctl()
827 		scsi_version = chscsiversion(periph);  in chioctl()
829 			error = chgetelemstatus(periph, scsi_version, cmd,  in chioctl()
833 			cam_periph_unlock(periph);  in chioctl()
841 		error = chsetvoltag(periph,  in chioctl()
849 		error = cam_periph_ioctl(periph, cmd, addr, cherror);  in chioctl()
853 	cam_periph_unlock(periph);  in chioctl()
858 chmove(struct cam_periph *periph, struct changer_move *cm)  in chmove()  argument
866 	softc = (struct ch_softc *)periph->softc;  in chmove()
889 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chmove()
912 chexchange(struct cam_periph *periph, struct changer_exchange *ce)  in chexchange()  argument
920 	softc = (struct ch_softc *)periph->softc;  in chexchange()
948 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chexchange()
975 chposition(struct cam_periph *periph, struct changer_position *cp)  in chposition()  argument
983 	softc = (struct ch_softc *)periph->softc;  in chposition()
998 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chposition()
1179 chgetelemstatus(struct cam_periph *periph, int scsi_version, u_long cmd,  in chgetelemstatus()  argument
1197 	softc = (struct ch_softc *)periph->softc;  in chgetelemstatus()
1216 	cam_periph_unlock(periph);  in chgetelemstatus()
1219 	cam_periph_lock(periph);  in chgetelemstatus()
1220 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chgetelemstatus()
1288 	cam_periph_unlock(periph);  in chgetelemstatus()
1305 	cam_periph_lock(periph);  in chgetelemstatus()
1327 	cam_periph_unlock(periph);  in chgetelemstatus()
1338 		xpt_print(periph->path,  in chgetelemstatus()
1388 	cam_periph_lock(periph);  in chgetelemstatus()
1402 chielem(struct cam_periph *periph,  in chielem()  argument
1416 	softc = (struct ch_softc *)periph->softc;  in chielem()
1418 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chielem()
1437 chsetvoltag(struct cam_periph *periph,  in chsetvoltag()  argument
1449 	softc = (struct ch_softc *)periph->softc;  in chsetvoltag()
1502 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chsetvoltag()
1525 chgetparams(struct cam_periph *periph)  in chgetparams()  argument
1538 	softc = (struct ch_softc *)periph->softc;  in chgetparams()
1540 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);  in chgetparams()
1604 			xpt_print(periph->path,  in chgetparams()
1667 			xpt_print(periph->path,  in chgetparams()
1696 chscsiversion(struct cam_periph *periph)  in chscsiversion()  argument
1702 	cam_periph_assert(periph, MA_OWNED);  in chscsiversion()
1708 	xpt_gdev_type(cgd, periph->path);  in chscsiversion()