340 	zc_state_t *zcs;  in zc_attach()  local
362 	VERIFY((zcs = ddi_get_soft_state(zc_soft_state, instance)) != NULL);  in zc_attach()
363 	zcs->zc_devinfo = dip;  in zc_attach()
370 	zc_state_t *zcs;  in zc_detach()  local
377 	if ((zcs = ddi_get_soft_state(zc_soft_state, instance)) == NULL)  in zc_detach()
380 	if ((zcs->zc_state & ZC_STATE_MOPEN) ||  in zc_detach()
381 	    (zcs->zc_state & ZC_STATE_SOPEN)) {  in zc_detach()
399 	zc_state_t *zcs;  in zc_getinfo()  local
404 		if ((zcs = ddi_get_soft_state(zc_soft_state, instance)) == NULL)  in zc_getinfo()
406 		*result = zcs->zc_devinfo;  in zc_getinfo()
422 	zc_state_t *zcs = qp->q_ptr;  in zc_switch()  local
423 	ASSERT(zcs != NULL);  in zc_switch()
425 	if (qp == zcs->zc_manager_rdq) {  in zc_switch()
426 		return (zcs->zc_subsid_rdq);  in zc_switch()
427 	} else if (OTHERQ(qp) == zcs->zc_manager_rdq &&  in zc_switch()
428 	    zcs->zc_subsid_rdq != NULL) {  in zc_switch()
429 		return (OTHERQ(zcs->zc_subsid_rdq));  in zc_switch()
430 	} else if (qp == zcs->zc_subsid_rdq) {  in zc_switch()
431 		return (zcs->zc_manager_rdq);  in zc_switch()
432 	} else if (OTHERQ(qp) == zcs->zc_subsid_rdq &&  in zc_switch()
433 	    zcs->zc_manager_rdq != NULL) {  in zc_switch()
434 		return (OTHERQ(zcs->zc_manager_rdq));  in zc_switch()
447 	zc_state_t *zcs = qp->q_ptr;  in zc_side()  local
448 	ASSERT(zcs != NULL);  in zc_side()
450 	if (qp == zcs->zc_manager_rdq ||  in zc_side()
451 	    OTHERQ(qp) == zcs->zc_manager_rdq) {  in zc_side()
454 	ASSERT(qp == zcs->zc_subsid_rdq || OTHERQ(qp) == zcs->zc_subsid_rdq);  in zc_side()
459 zc_manager_open(zc_state_t *zcs,  in zc_manager_open()  argument
473 	if ((zcs->zc_state & ZC_STATE_MOPEN) != 0)  in zc_manager_open()
481 	zcs->zc_state |= ZC_STATE_MOPEN;  in zc_manager_open()
487 	WR(rqp)->q_ptr = rqp->q_ptr = zcs;  in zc_manager_open()
497 	zcs->zc_manager_rdq = rqp;  in zc_manager_open()
518 zc_subsidiary_open(zc_state_t *zcs,  in zc_subsidiary_open()  argument
535 	if ((zcs->zc_state & ZC_STATE_SOPEN) != 0) {  in zc_subsidiary_open()
536 		ASSERT((rqp != NULL) && (WR(rqp)->q_ptr == zcs));  in zc_subsidiary_open()
546 	minor = ddi_get_instance(zcs->zc_devinfo) << 1 | ZC_SUBSID_MINOR;  in zc_subsidiary_open()
547 	major = ddi_driver_major(zcs->zc_devinfo);  in zc_subsidiary_open()
561 	zcs->zc_state |= ZC_STATE_SOPEN;  in zc_subsidiary_open()
567 	WR(rqp)->q_ptr = rqp->q_ptr = zcs;  in zc_subsidiary_open()
574 	zcs->zc_subsid_rdq = rqp;  in zc_subsidiary_open()
603 	zc_state_t *zcs;  in zc_open()  local
608 	if ((zcs = ddi_get_soft_state(zc_soft_state, instance)) == NULL)  in zc_open()
613 		ret = zc_manager_open(zcs, rqp, devp, oflag, sflag, credp);  in zc_open()
616 		ret = zc_subsidiary_open(zcs, rqp, devp, oflag, sflag, credp);  in zc_open()
634 	zc_state_t *zcs;  in zc_close()  local
638 	zcs = (zc_state_t *)rqp->q_ptr;  in zc_close()
640 	if (rqp == zcs->zc_manager_rdq) {  in zc_close()
643 		zcs->zc_manager_rdq = NULL;  in zc_close()
644 		zcs->zc_state &= ~ZC_STATE_MOPEN;  in zc_close()
650 		if (zcs->zc_subsid_rdq != NULL) {  in zc_close()
651 			qenable(WR(zcs->zc_subsid_rdq));  in zc_close()
657 	} else if (rqp == zcs->zc_subsid_rdq) {  in zc_close()
660 		zcs->zc_state &= ~ZC_STATE_SOPEN;  in zc_close()
661 		zcs->zc_subsid_rdq = NULL;  in zc_close()
665 			if (zcs->zc_manager_rdq != NULL)  in zc_close()
666 				putnext(zcs->zc_manager_rdq, bp);  in zc_close()
677 		if (zcs->zc_manager_rdq != NULL)  in zc_close()
678 			qenable(WR(zcs->zc_manager_rdq));  in zc_close()
687 		major = ddi_driver_major(zcs->zc_devinfo);  in zc_close()
688 		minor = ddi_get_instance(zcs->zc_devinfo) << 1 |  in zc_close()
752 	zc_state_t *zcs;  in zc_wput()  local
766 	zcs = (zc_state_t *)qp->q_ptr;  in zc_wput()
767 	if (zcs->zc_manager_rdq != NULL && qp == WR(zcs->zc_manager_rdq) &&  in zc_wput()
781 			if (zcs->zc_subsid_vnode != NULL) {  in zc_wput()
807 			if (ZC_STATE_TO_SUBDEV(zcs) !=  in zc_wput()
820 			zcs->zc_subsid_vnode = subsidiary_filep->f_vnode;  in zc_wput()
821 			VN_HOLD(zcs->zc_subsid_vnode);  in zc_wput()
822 			subsidiary_snodep = VTOCS(zcs->zc_subsid_vnode);  in zc_wput()
839 			if (zcs->zc_subsid_vnode == NULL) {  in zc_wput()
866 			if (zcs->zc_subsid_vnode->v_rdev !=  in zc_wput()
879 			subsidiary_snodep = VTOCS(zcs->zc_subsid_vnode);  in zc_wput()
883 			VN_RELE(zcs->zc_subsid_vnode);  in zc_wput()
884 			zcs->zc_subsid_vnode = NULL;  in zc_wput()
956 	zc_state_t *zcs;  in zc_rsrv()  local
957 	zcs = (zc_state_t *)qp->q_ptr;  in zc_rsrv()
963 	ASSERT(qp == zcs->zc_manager_rdq || qp == zcs->zc_subsid_rdq);  in zc_rsrv()