130 	sagaw = DMAR_CAP_SAGAW(domain->dmar->hw_cap);  in domain_set_agaw()
139 	device_printf(domain->dmar->iommu.dev,  in domain_set_agaw()
191 	cap_sps = DMAR_CAP_SPS(domain->dmar->hw_cap);  in domain_is_sp_lvl()
467 dmar_barrier_enter(struct dmar_unit *dmar, u_int barrier_id)  in dmar_barrier_enter()  argument
471 	DMAR_LOCK(dmar);  in dmar_barrier_enter()
472 	if ((dmar->barrier_flags & f_done) != 0) {  in dmar_barrier_enter()
473 		DMAR_UNLOCK(dmar);  in dmar_barrier_enter()
477 	if ((dmar->barrier_flags & f_inproc) != 0) {  in dmar_barrier_enter()
478 		while ((dmar->barrier_flags & f_inproc) != 0) {  in dmar_barrier_enter()
479 			dmar->barrier_flags |= f_wakeup;  in dmar_barrier_enter()
480 			msleep(&dmar->barrier_flags, &dmar->iommu.lock, 0,  in dmar_barrier_enter()
483 		KASSERT((dmar->barrier_flags & f_done) != 0,  in dmar_barrier_enter()
484 		    ("dmar%d barrier %d missing done", dmar->iommu.unit,  in dmar_barrier_enter()
486 		DMAR_UNLOCK(dmar);  in dmar_barrier_enter()
490 	dmar->barrier_flags |= f_inproc;  in dmar_barrier_enter()
491 	DMAR_UNLOCK(dmar);  in dmar_barrier_enter()
496 dmar_barrier_exit(struct dmar_unit *dmar, u_int barrier_id)  in dmar_barrier_exit()  argument
500 	DMAR_ASSERT_LOCKED(dmar);  in dmar_barrier_exit()
501 	KASSERT((dmar->barrier_flags & (f_done | f_inproc)) == f_inproc,  in dmar_barrier_exit()
502 	    ("dmar%d barrier %d missed entry", dmar->iommu.unit, barrier_id));  in dmar_barrier_exit()
503 	dmar->barrier_flags |= f_done;  in dmar_barrier_exit()
504 	if ((dmar->barrier_flags & f_wakeup) != 0)  in dmar_barrier_exit()
505 		wakeup(&dmar->barrier_flags);  in dmar_barrier_exit()
506 	dmar->barrier_flags &= ~(f_inproc | f_wakeup);  in dmar_barrier_exit()
507 	DMAR_UNLOCK(dmar);  in dmar_barrier_exit()