264 ucom_attach(struct ucom_super_softc *ssc, struct ucom_softc *sc,  in ucom_attach()  argument
279 	ssc->sc_unit = ucom_unit_alloc();  in ucom_attach()
280 	if (ssc->sc_unit == -1)  in ucom_attach()
284 	snprintf(ssc->sc_ttyname, sizeof(ssc->sc_ttyname),  in ucom_attach()
285 	    UCOM_TTY_PREFIX "%d", ssc->sc_unit);  in ucom_attach()
288 	error = usb_proc_create(&ssc->sc_tq, mtx, "ucom", USB_PRI_MED);  in ucom_attach()
290 		ucom_unit_free(ssc->sc_unit);  in ucom_attach()
293 	ssc->sc_subunits = subunits;  in ucom_attach()
294 	ssc->sc_flag = UCOM_FLAG_ATTACHED |  in ucom_attach()
295 	    UCOM_FLAG_FREE_UNIT | (ssc->sc_flag & UCOM_FLAG_DEVICE_MODE);  in ucom_attach()
298 		ssc->sc_flag |= UCOM_FLAG_WAIT_REFS;  in ucom_attach()
301 	ucom_ref(ssc);  in ucom_attach()
303 	for (subunit = 0; subunit < ssc->sc_subunits; subunit++) {  in ucom_attach()
305 		sc[subunit].sc_super = ssc;  in ucom_attach()
310 		error = ucom_attach_tty(ssc, &sc[subunit]);  in ucom_attach()
312 			ucom_detach(ssc, &sc[0]);  in ucom_attach()
316 		ucom_ref(ssc);  in ucom_attach()
323 		sc->sc_tty, ssc->sc_unit, ssc->sc_subunits);  in ucom_attach()
330  * by "ssc" and "sc" is zero or has already been detached.
333 ucom_detach(struct ucom_super_softc *ssc, struct ucom_softc *sc)  in ucom_detach()  argument
337 	if (!(ssc->sc_flag & UCOM_FLAG_ATTACHED))  in ucom_detach()
340 	if (ssc->sc_sysctl_ttyname != NULL) {  in ucom_detach()
341 		sysctl_remove_oid(ssc->sc_sysctl_ttyname, 1, 0);  in ucom_detach()
342 		ssc->sc_sysctl_ttyname = NULL;  in ucom_detach()
345 	if (ssc->sc_sysctl_ttyports != NULL) {  in ucom_detach()
346 		sysctl_remove_oid(ssc->sc_sysctl_ttyports, 1, 0);  in ucom_detach()
347 		ssc->sc_sysctl_ttyports = NULL;  in ucom_detach()
350 	usb_proc_drain(&ssc->sc_tq);  in ucom_detach()
352 	for (subunit = 0; subunit < ssc->sc_subunits; subunit++) {  in ucom_detach()
354 			ucom_detach_tty(ssc, &sc[subunit]);  in ucom_detach()
360 	usb_proc_free(&ssc->sc_tq);  in ucom_detach()
362 	ucom_unref(ssc);  in ucom_detach()
364 	if (ssc->sc_flag & UCOM_FLAG_WAIT_REFS)  in ucom_detach()
365 		ucom_drain(ssc);  in ucom_detach()
368 	ssc->sc_flag &= ~UCOM_FLAG_ATTACHED;  in ucom_detach()
372 ucom_drain(struct ucom_super_softc *ssc)  in ucom_drain()  argument
375 	while (ssc->sc_refs > 0) {  in ucom_drain()
413 ucom_attach_tty(struct ucom_super_softc *ssc, struct ucom_softc *sc)  in ucom_attach_tty()  argument
426 		    sizeof(buf), ssc->sc_unit, sc->sc_subunit);  in ucom_attach_tty()
430 		if (ssc->sc_subunits > 1) {  in ucom_attach_tty()
433 			    ssc->sc_unit, sc->sc_subunit);  in ucom_attach_tty()
437 			    ssc->sc_unit);  in ucom_attach_tty()
453 	    (ssc->sc_unit == ucom_cons_unit) &&  in ucom_attach_tty()
456 		    ssc->sc_unit, sc->sc_subunit);  in ucom_attach_tty()
473 	if ((ssc->sc_flag & UCOM_FLAG_DEVICE_MODE) != 0 &&  in ucom_attach_tty()
495 ucom_detach_tty(struct ucom_super_softc *ssc, struct ucom_softc *sc)  in ucom_detach_tty()  argument
546 ucom_set_pnpinfo_usb(struct ucom_super_softc *ssc, device_t dev)  in ucom_set_pnpinfo_usb()  argument
553 	    "%d ttyports=%d", ssc->sc_unit, ssc->sc_subunits);  in ucom_set_pnpinfo_usb()
566 	if (ssc->sc_sysctl_ttyname == NULL) {  in ucom_set_pnpinfo_usb()
567 		ssc->sc_sysctl_ttyname = SYSCTL_ADD_STRING(NULL,  in ucom_set_pnpinfo_usb()
569 		    OID_AUTO, "ttyname", CTLFLAG_RD, ssc->sc_ttyname, 0,  in ucom_set_pnpinfo_usb()
572 	if (ssc->sc_sysctl_ttyports == NULL) {  in ucom_set_pnpinfo_usb()
573 		ssc->sc_sysctl_ttyports = SYSCTL_ADD_INT(NULL,  in ucom_set_pnpinfo_usb()
576 		    NULL, ssc->sc_subunits, "Number of ports");  in ucom_set_pnpinfo_usb()
581 ucom_set_usb_mode(struct ucom_super_softc *ssc, enum usb_hc_mode usb_mode)  in ucom_set_usb_mode()  argument
586 		ssc->sc_flag |= UCOM_FLAG_DEVICE_MODE;  in ucom_set_usb_mode()
589 		ssc->sc_flag &= ~UCOM_FLAG_DEVICE_MODE;  in ucom_set_usb_mode()
608 	struct ucom_super_softc *ssc = sc->sc_super;  in ucom_command_barrier()  local
615 	if (usb_proc_is_gone(&ssc->sc_tq)) {  in ucom_command_barrier()
620 	task = usb_proc_msignal(&ssc->sc_tq, &dummy, &dummy);  in ucom_command_barrier()
621 	error = usb_proc_mwait_sig(&ssc->sc_tq, task, task);  in ucom_command_barrier()
632 	struct ucom_super_softc *ssc = sc->sc_super;  in ucom_queue_command()  local
638 	if (usb_proc_is_gone(&ssc->sc_tq)) {  in ucom_queue_command()
648 	  usb_proc_msignal(&ssc->sc_tq, t0, t1);  in ucom_queue_command()
665 		error = usb_proc_mwait_sig(&ssc->sc_tq, t0, t1);  in ucom_queue_command()
709 	struct ucom_super_softc *ssc = sc->sc_super;  in ucom_cfg_is_gone()  local
711 	return (usb_proc_is_gone(&ssc->sc_tq));  in ucom_cfg_is_gone()
1756 ucom_ref(struct ucom_super_softc *ssc)  in ucom_ref()  argument
1759 	ssc->sc_refs++;  in ucom_ref()
1771 ucom_free_unit(struct ucom_super_softc *ssc)  in ucom_free_unit()  argument
1773 	if (!(ssc->sc_flag & UCOM_FLAG_FREE_UNIT))  in ucom_free_unit()
1776 	ucom_unit_free(ssc->sc_unit);  in ucom_free_unit()
1778 	ssc->sc_flag &= ~UCOM_FLAG_FREE_UNIT;  in ucom_free_unit()
1791 ucom_unref(struct ucom_super_softc *ssc)  in ucom_unref()  argument
1796 	retval = (ssc->sc_refs < 2);  in ucom_unref()
1797 	ssc->sc_refs--;  in ucom_unref()
1801 		ucom_free_unit(ssc);  in ucom_unref()