550 	struct vtcon_port *port;  in vtcon_destroy_ports()  local
561 		port = scport->vcsp_port;  in vtcon_destroy_ports()
562 		if (port != NULL) {  in vtcon_destroy_ports()
564 			VTCON_PORT_LOCK(port);  in vtcon_destroy_ports()
566 			vtcon_port_teardown(port);  in vtcon_destroy_ports()
727 	struct vtcon_port *port;  in vtcon_ctrl_port_remove_event()  local
733 	port = scport->vcsp_port;  in vtcon_ctrl_port_remove_event()
734 	if (port == NULL) {  in vtcon_ctrl_port_remove_event()
742 	VTCON_PORT_LOCK(port);  in vtcon_ctrl_port_remove_event()
744 	vtcon_port_teardown(port);  in vtcon_ctrl_port_remove_event()
752 	struct vtcon_port *port;  in vtcon_ctrl_port_console_event()  local
758 	port = scport->vcsp_port;  in vtcon_ctrl_port_console_event()
759 	if (port == NULL) {  in vtcon_ctrl_port_console_event()
766 	VTCON_PORT_LOCK(port);  in vtcon_ctrl_port_console_event()
768 	port->vtcport_flags |= VTCON_PORT_FLAG_CONSOLE;  in vtcon_ctrl_port_console_event()
769 	vtcon_port_submit_event(port, VIRTIO_CONSOLE_PORT_OPEN, 1);  in vtcon_ctrl_port_console_event()
770 	VTCON_PORT_UNLOCK(port);  in vtcon_ctrl_port_console_event()
778 	struct vtcon_port *port;  in vtcon_ctrl_port_open_event()  local
784 	port = scport->vcsp_port;  in vtcon_ctrl_port_open_event()
785 	if (port == NULL) {  in vtcon_ctrl_port_open_event()
792 	VTCON_PORT_LOCK(port);  in vtcon_ctrl_port_open_event()
794 	vtcon_port_enable_intr(port);  in vtcon_ctrl_port_open_event()
795 	VTCON_PORT_UNLOCK(port);  in vtcon_ctrl_port_open_event()
937 vtcon_port_enqueue_buf(struct vtcon_port *port, void *buf, size_t len)  in vtcon_port_enqueue_buf()  argument
944 	vq = port->vtcport_invq;  in vtcon_port_enqueue_buf()
957 vtcon_port_create_buf(struct vtcon_port *port)  in vtcon_port_create_buf()  argument
966 	error = vtcon_port_enqueue_buf(port, buf, VTCON_BULK_BUFSZ);  in vtcon_port_create_buf()
974 vtcon_port_requeue_buf(struct vtcon_port *port, void *buf)  in vtcon_port_requeue_buf()  argument
978 	error = vtcon_port_enqueue_buf(port, buf, VTCON_BULK_BUFSZ);  in vtcon_port_requeue_buf()
984 vtcon_port_populate(struct vtcon_port *port)  in vtcon_port_populate()  argument
989 	vq = port->vtcport_invq;  in vtcon_port_populate()
993 		error = vtcon_port_create_buf(port);  in vtcon_port_populate()
1007 vtcon_port_destroy(struct vtcon_port *port)  in vtcon_port_destroy()  argument
1010 	port->vtcport_sc = NULL;  in vtcon_port_destroy()
1011 	port->vtcport_scport = NULL;  in vtcon_port_destroy()
1012 	port->vtcport_invq = NULL;  in vtcon_port_destroy()
1013 	port->vtcport_outvq = NULL;  in vtcon_port_destroy()
1014 	port->vtcport_id = -1;  in vtcon_port_destroy()
1015 	mtx_destroy(&port->vtcport_mtx);  in vtcon_port_destroy()
1016 	free(port, M_DEVBUF);  in vtcon_port_destroy()
1020 vtcon_port_init_vqs(struct vtcon_port *port)  in vtcon_port_init_vqs()  argument
1025 	scport = port->vtcport_scport;  in vtcon_port_init_vqs()
1027 	port->vtcport_invq = scport->vcsp_invq;  in vtcon_port_init_vqs()
1028 	port->vtcport_outvq = scport->vcsp_outvq;  in vtcon_port_init_vqs()
1035 	vtcon_port_drain(port);  in vtcon_port_init_vqs()
1037 	KASSERT(virtqueue_empty(port->vtcport_invq),  in vtcon_port_init_vqs()
1039 	KASSERT(virtqueue_empty(port->vtcport_outvq),  in vtcon_port_init_vqs()
1042 	error = vtcon_port_populate(port);  in vtcon_port_init_vqs()
1054 	struct vtcon_port *port;  in vtcon_port_create()  local
1063 	port = malloc(sizeof(struct vtcon_port), M_DEVBUF, M_NOWAIT | M_ZERO);  in vtcon_port_create()
1064 	if (port == NULL)  in vtcon_port_create()
1067 	port->vtcport_sc = sc;  in vtcon_port_create()
1068 	port->vtcport_scport = scport;  in vtcon_port_create()
1069 	port->vtcport_id = id;  in vtcon_port_create()
1070 	mtx_init(&port->vtcport_mtx, "vtcpmtx", NULL, MTX_DEF);  in vtcon_port_create()
1071 	port->vtcport_tty = tty_alloc_mutex(&vtcon_tty_class, port,  in vtcon_port_create()
1072 	    &port->vtcport_mtx);  in vtcon_port_create()
1074 	error = vtcon_port_init_vqs(port);  in vtcon_port_create()
1076 		VTCON_PORT_LOCK(port);  in vtcon_port_create()
1077 		vtcon_port_teardown(port);  in vtcon_port_create()
1082 	VTCON_PORT_LOCK(port);  in vtcon_port_create()
1083 	scport->vcsp_port = port;  in vtcon_port_create()
1084 	vtcon_port_enable_intr(port);  in vtcon_port_create()
1085 	vtcon_port_submit_event(port, VIRTIO_CONSOLE_PORT_READY, 1);  in vtcon_port_create()
1086 	VTCON_PORT_UNLOCK(port);  in vtcon_port_create()
1089 	tty_makedev(port->vtcport_tty, NULL, "%s%r.%r", VTCON_TTY_PREFIX,  in vtcon_port_create()
1108 vtcon_port_drain(struct vtcon_port *port)  in vtcon_port_drain()  argument
1111 	vtcon_port_drain_bufs(port->vtcport_invq);  in vtcon_port_drain()
1115 vtcon_port_teardown(struct vtcon_port *port)  in vtcon_port_teardown()  argument
1119 	tp = port->vtcport_tty;  in vtcon_port_teardown()
1121 	port->vtcport_flags |= VTCON_PORT_FLAG_GONE;  in vtcon_port_teardown()
1127 		vtcon_port_destroy(port);  in vtcon_port_teardown()
1131 vtcon_port_change_size(struct vtcon_port *port, uint16_t cols, uint16_t rows)  in vtcon_port_change_size()  argument
1136 	tp = port->vtcport_tty;  in vtcon_port_change_size()
1151 	struct vtcon_port *port;  in vtcon_port_update_console_size()  local
1164 	port = scport->vcsp_port;  in vtcon_port_update_console_size()
1166 	if (port != NULL) {  in vtcon_port_update_console_size()
1167 		VTCON_PORT_LOCK(port);  in vtcon_port_update_console_size()
1169 		vtcon_port_change_size(port, cols, rows);  in vtcon_port_update_console_size()
1170 		VTCON_PORT_UNLOCK(port);  in vtcon_port_update_console_size()
1176 vtcon_port_enable_intr(struct vtcon_port *port)  in vtcon_port_enable_intr()  argument
1183 	virtqueue_enable_intr(port->vtcport_invq);  in vtcon_port_enable_intr()
1187 vtcon_port_disable_intr(struct vtcon_port *port)  in vtcon_port_disable_intr()  argument
1190 	if (port->vtcport_invq != NULL)  in vtcon_port_disable_intr()
1191 		virtqueue_disable_intr(port->vtcport_invq);  in vtcon_port_disable_intr()
1192 	if (port->vtcport_outvq != NULL)  in vtcon_port_disable_intr()
1193 		virtqueue_disable_intr(port->vtcport_outvq);  in vtcon_port_disable_intr()
1197 vtcon_port_in(struct vtcon_port *port)  in vtcon_port_in()  argument
1205 	tp = port->vtcport_tty;  in vtcon_port_in()
1206 	vq = port->vtcport_invq;  in vtcon_port_in()
1214 			if (port->vtcport_flags & VTCON_PORT_FLAG_CONSOLE)  in vtcon_port_in()
1216 				    &port->vtcport_alt_break_state);  in vtcon_port_in()
1220 		vtcon_port_requeue_buf(port, buf);  in vtcon_port_in()
1237 	struct vtcon_port *port;  in vtcon_port_intr()  local
1243 	port = scport->vcsp_port;  in vtcon_port_intr()
1244 	if (port == NULL) {  in vtcon_port_intr()
1248 	VTCON_PORT_LOCK(port);  in vtcon_port_intr()
1250 	if ((port->vtcport_flags & VTCON_PORT_FLAG_GONE) == 0)  in vtcon_port_intr()
1251 		vtcon_port_in(port);  in vtcon_port_intr()
1252 	VTCON_PORT_UNLOCK(port);  in vtcon_port_intr()
1256 vtcon_port_out(struct vtcon_port *port, void *buf, int bufsize)  in vtcon_port_out()  argument
1263 	vq = port->vtcport_outvq;  in vtcon_port_out()
1265 	    ("%s: port %p out virtqueue not emtpy", __func__, port));  in vtcon_port_out()
1280 vtcon_port_submit_event(struct vtcon_port *port, uint16_t event,  in vtcon_port_submit_event()  argument
1285 	sc = port->vtcport_sc;  in vtcon_port_submit_event()
1287 	vtcon_ctrl_send_control(sc, port->vtcport_id, event, value);  in vtcon_port_submit_event()
1293 	struct vtcon_port *port;  in vtcon_tty_open()  local
1295 	port = tty_softc(tp);  in vtcon_tty_open()
1297 	if (port->vtcport_flags & VTCON_PORT_FLAG_GONE)  in vtcon_tty_open()
1300 	vtcon_port_submit_event(port, VIRTIO_CONSOLE_PORT_OPEN, 1);  in vtcon_tty_open()
1308 	struct vtcon_port *port;  in vtcon_tty_close()  local
1310 	port = tty_softc(tp);  in vtcon_tty_close()
1312 	if (port->vtcport_flags & VTCON_PORT_FLAG_GONE)  in vtcon_tty_close()
1315 	vtcon_port_submit_event(port, VIRTIO_CONSOLE_PORT_OPEN, 0);  in vtcon_tty_close()
1321 	struct vtcon_port *port;  in vtcon_tty_outwakeup()  local
1325 	port = tty_softc(tp);  in vtcon_tty_outwakeup()
1327 	if (port->vtcport_flags & VTCON_PORT_FLAG_GONE)  in vtcon_tty_outwakeup()
1331 		vtcon_port_out(port, buf, len);  in vtcon_tty_outwakeup()
1337 	struct vtcon_port *port;  in vtcon_tty_free()  local
1339 	port = xport;  in vtcon_tty_free()
1341 	vtcon_port_destroy(port);  in vtcon_tty_free()
1363 	struct vtcon_port *port;  in vtcon_enable_interrupts()  local
1374 		port = scport->vcsp_port;  in vtcon_enable_interrupts()
1375 		if (port == NULL)  in vtcon_enable_interrupts()
1378 		VTCON_PORT_LOCK(port);  in vtcon_enable_interrupts()
1379 		vtcon_port_enable_intr(port);  in vtcon_enable_interrupts()
1380 		VTCON_PORT_UNLOCK(port);  in vtcon_enable_interrupts()
1390 	struct vtcon_port *port;  in vtcon_disable_interrupts()  local
1401 		port = scport->vcsp_port;  in vtcon_disable_interrupts()
1402 		if (port == NULL)  in vtcon_disable_interrupts()
1405 		VTCON_PORT_LOCK(port);  in vtcon_disable_interrupts()
1406 		vtcon_port_disable_intr(port);  in vtcon_disable_interrupts()
1407 		VTCON_PORT_UNLOCK(port);  in vtcon_disable_interrupts()