779 	caddr_t uaddr;  in xpvtap_segmf_register()  local
786 	uaddr = state->bt_map.um_guest_pages;  in xpvtap_segmf_register()
795 	if ((seg == NULL) || ((uaddr + state->bt_map.um_guest_size) >  in xpvtap_segmf_register()
807 		hat_prepare_mapping(as->a_hat, uaddr, &pte_ma);  in xpvtap_segmf_register()
808 		hat_devload(as->a_hat, uaddr, PAGESIZE, (pfn_t)0,  in xpvtap_segmf_register()
811 		hat_release_mapping(as->a_hat, uaddr);  in xpvtap_segmf_register()
812 		segmf_add_gref_pte(seg, uaddr, pte_ma);  in xpvtap_segmf_register()
813 		uaddr += PAGESIZE;  in xpvtap_segmf_register()
833 	caddr_t uaddr;  in xpvtap_segmf_unregister()  local
846 	uaddr = state->bt_map.um_guest_pages;  in xpvtap_segmf_unregister()
854 		hat_prepare_mapping(as->a_hat, uaddr, NULL);  in xpvtap_segmf_unregister()
855 		hat_unload(as->a_hat, uaddr, PAGESIZE, HAT_UNLOAD_UNLOCK);  in xpvtap_segmf_unregister()
856 		hat_release_mapping(as->a_hat, uaddr);  in xpvtap_segmf_unregister()
858 		uaddr += PAGESIZE;  in xpvtap_segmf_unregister()
1193 	caddr_t uaddr;  in xpvtap_user_request_map()  local
1229 	uaddr = XPVTAP_GREF_REQADDR(state->bt_map.um_guest_pages, *uid);  in xpvtap_user_request_map()
1233 	if ((seg == NULL) || ((uaddr + mmu_ptob(req->nr_segments)) >  in xpvtap_user_request_map()
1249 	(void) segmf_add_grefs(seg, uaddr, flags, gref, req->nr_segments,  in xpvtap_user_request_map()
1300 	caddr_t uaddr;  in xpvtap_user_request_unmap()  local
1316 		uaddr = XPVTAP_GREF_REQADDR(state->bt_map.um_guest_pages, uid);  in xpvtap_user_request_unmap()
1319 		if ((seg == NULL) || ((uaddr + mmu_ptob(req->nr_segments)) >  in xpvtap_user_request_unmap()
1326 		e = segmf_release_grefs(seg, uaddr, req->nr_segments);  in xpvtap_user_request_unmap()