int
sddetach(struct device *self, int flags)
{
struct sd_softc *sc = (struct sd_softc *)self;
int bmaj, cmaj, mn;
sd_kill_buffers(sc);
/* Locate the lowest minor number to be detached. */
mn = DISKMINOR(self->dv_unit, 0);
for (bmaj = 0; bmaj < nblkdev; bmaj++)
if (bdevsw[bmaj].d_open == sdopen)
vdevgone(bmaj, mn, mn + MAXPARTITIONS - 1, VBLK);
for (cmaj = 0; cmaj < nchrdev; cmaj++)
if (cdevsw[cmaj].d_open == sdopen)
vdevgone(cmaj, mn, mn + MAXPARTITIONS - 1, VCHR);
/* Get rid of the shutdown hook. */
if (sc->sc_sdhook != NULL)
shutdownhook_disestablish(sc->sc_sdhook);
/* Detach disk. */
disk_detach(&sc->sc_dk);
return (0);
}
int
sysctl_wdog(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
size_t newlen)
{
int error, period;
if (wdog_ctl_cb == NULL)
return (EOPNOTSUPP);
switch (name[0]) {
case KERN_WATCHDOG_PERIOD:
period = wdog_period;
error = sysctl_int(oldp, oldlenp, newp, newlen, &period);
if (error)
return (error);
if (newp) {
timeout_del(&wdog_timeout);
wdog_period = (*wdog_ctl_cb)(wdog_ctl_cb_arg, period);
}
break;
case KERN_WATCHDOG_AUTO:
error = sysctl_int(oldp, oldlenp, newp, newlen, &wdog_auto);
if (error)
return (error);
if (wdog_auto && wdog_cookie == NULL)
wdog_cookie = shutdownhook_establish(wdog_shutdown,
NULL);
else if (!wdog_auto && wdog_cookie) {
shutdownhook_disestablish(wdog_cookie);
wdog_cookie = NULL;
}
break;
default:
return (EINVAL);
}
if (wdog_auto && wdog_period > 0) {
(void) (*wdog_ctl_cb)(wdog_ctl_cb_arg, wdog_period);
timeout_add(&wdog_timeout, wdog_period * hz / 2);
} else
timeout_del(&wdog_timeout);
return (error);
}
int
sddetach(struct device *self, int flags)
{
struct sd_softc *sc = (struct sd_softc *)self;
bufq_drain(&sc->sc_bufq);
disk_gone(sdopen, self->dv_unit);
/* Get rid of the shutdown hook. */
if (sc->sc_sdhook != NULL)
shutdownhook_disestablish(sc->sc_sdhook);
/* Detach disk. */
bufq_destroy(&sc->sc_bufq);
disk_detach(&sc->sc_dk);
return (0);
}
/*
* ae_detach:
*
* Detach a device interface.
*/
int
ae_detach(device_t self, int flags)
{
struct ae_softc *sc = device_private(self);
struct ifnet *ifp = &sc->sc_ethercom.ec_if;
struct ae_rxsoft *rxs;
struct ae_txsoft *txs;
int i;
/*
* Succeed now if there isn't any work to do.
*/
if ((sc->sc_flags & AE_ATTACHED) == 0)
return (0);
/* Unhook our tick handler. */
if (sc->sc_tick)
callout_stop(&sc->sc_tick_callout);
/* Detach all PHYs */
mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
/* Delete all remaining media. */
ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
rnd_detach_source(&sc->sc_rnd_source);
ether_ifdetach(ifp);
if_detach(ifp);
for (i = 0; i < AE_NRXDESC; i++) {
rxs = &sc->sc_rxsoft[i];
if (rxs->rxs_mbuf != NULL) {
bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
m_freem(rxs->rxs_mbuf);
rxs->rxs_mbuf = NULL;
}
bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap);
}
for (i = 0; i < AE_TXQUEUELEN; i++) {
txs = &sc->sc_txsoft[i];
if (txs->txs_mbuf != NULL) {
bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
m_freem(txs->txs_mbuf);
txs->txs_mbuf = NULL;
}
bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap);
}
bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap);
bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap);
bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data,
sizeof(struct ae_control_data));
bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg);
shutdownhook_disestablish(sc->sc_sdhook);
powerhook_disestablish(sc->sc_powerhook);
bus_space_unmap(sc->sc_st, sc->sc_sh, sc->sc_size);
return (0);
}
