static void
ucom_detach_tty(struct ucom_super_softc *ssc, struct ucom_softc *sc)
{
struct tty *tp = sc->sc_tty;
DPRINTF("sc = %p, tp = %p\n", sc, sc->sc_tty);
if (sc->sc_consdev != NULL) {
cnremove(sc->sc_consdev);
free(sc->sc_consdev, M_USBDEV);
sc->sc_consdev = NULL;
}
if (sc->sc_flag & UCOM_FLAG_CONSOLE) {
UCOM_MTX_LOCK(ucom_cons_softc);
ucom_close(ucom_cons_softc->sc_tty);
sc->sc_flag &= ~UCOM_FLAG_CONSOLE;
UCOM_MTX_UNLOCK(ucom_cons_softc);
ucom_cons_softc = NULL;
}
/* the config thread has been stopped when we get here */
UCOM_MTX_LOCK(sc);
sc->sc_flag |= UCOM_FLAG_GONE;
sc->sc_flag &= ~(UCOM_FLAG_HL_READY | UCOM_FLAG_LL_READY);
UCOM_MTX_UNLOCK(sc);
if (tp) {
mtx_lock(&ucom_mtx);
ucom_close_refs++;
mtx_unlock(&ucom_mtx);
tty_lock(tp);
ucom_close(tp); /* close, if any */
tty_rel_gone(tp);
UCOM_MTX_LOCK(sc);
/*
* make sure that read and write transfers are stopped
*/
if (sc->sc_callback->ucom_stop_read)
(sc->sc_callback->ucom_stop_read) (sc);
if (sc->sc_callback->ucom_stop_write)
(sc->sc_callback->ucom_stop_write) (sc);
UCOM_MTX_UNLOCK(sc);
}
}
/* cnXXX works only for FreeBSD-5 */
static int
dcons_modevent(module_t mode, int type, void *data)
{
int err = 0, ret;
switch (type) {
case MOD_LOAD:
ret = dcons_drv_init(1);
dcons_attach();
#if __FreeBSD_version >= 500000
if (ret == 0) {
dcons_cnprobe(&dcons_consdev);
dcons_cninit(&dcons_consdev);
cnadd(&dcons_consdev);
}
#endif
break;
case MOD_UNLOAD:
printf("dcons: unload\n");
callout_stop(&dcons_callout);
#if DDB && DCONS_FORCE_GDB
#if CONS_NODEV
gdb_arg = NULL;
#else
gdbdev = NODEV;
#endif
#endif
#if __FreeBSD_version >= 500000
cnremove(&dcons_consdev);
#endif
dcons_detach(DCONS_CON);
dcons_detach(DCONS_GDB);
dcons_buf->magic = 0;
contigfree(dcons_buf, DCONS_BUF_SIZE, M_DEVBUF);
break;
case MOD_SHUTDOWN:
break;
}
return(err);
}
static int
dcons_modevent(module_t mode, int type, void *data)
{
int err = 0, ret;
switch (type) {
case MOD_LOAD:
ret = dcons_drv_init(1);
if (ret != -1)
dcons_attach();
if (ret == 0) {
dcons_cnprobe(&dcons_consdev);
dcons_cninit(&dcons_consdev);
cnadd(&dcons_consdev);
}
break;
case MOD_UNLOAD:
printf("dcons: unload\n");
if (drv_init == 1) {
callout_stop(&dcons_callout);
cnremove(&dcons_consdev);
dcons_detach(DCONS_CON);
dcons_detach(DCONS_GDB);
dg.buf->magic = 0;
contigfree(dg.buf, DCONS_BUF_SIZE, M_DEVBUF);
}
break;
case MOD_SHUTDOWN:
#if 0 /* Keep connection after halt */
dg.buf->magic = 0;
#endif
break;
default:
err = EOPNOTSUPP;
break;
}
return(err);
}
void
cninit(void)
{
struct consdev *best_cn, *cn, **list;
/*
* Check if we should mute the console (for security reasons perhaps)
* It can be changes dynamically using sysctl kern.consmute
* once we are up and going.
*
*/
cn_mute = ((boothowto & (RB_MUTE
|RB_SINGLE
|RB_VERBOSE
|RB_ASKNAME)) == RB_MUTE);
/*
* Find the first console with the highest priority.
*/
best_cn = NULL;
SET_FOREACH(list, cons_set) {
cn = *list;
cnremove(cn);
/* Skip cons_consdev. */
if (cn->cn_ops == NULL)
continue;
cn->cn_ops->cn_probe(cn);
if (cn->cn_pri == CN_DEAD)
continue;
if (best_cn == NULL || cn->cn_pri > best_cn->cn_pri)
best_cn = cn;
if (boothowto & RB_MULTIPLE) {
/*
* Initialize console, and attach to it.
*/
cn->cn_ops->cn_init(cn);
cnadd(cn);
}
}
