static int
nsmb_dev_load(module_t mod, int cmd, void *arg)
{
int error = 0;
switch (cmd) {
case MOD_LOAD:
error = smb_sm_init();
if (error)
break;
error = smb_iod_init();
if (error) {
smb_sm_done();
break;
}
clone_setup(&nsmb_clones);
nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000);
break;
case MOD_UNLOAD:
smb_iod_done();
error = smb_sm_done();
if (error)
break;
EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag);
drain_dev_clone_events();
clone_cleanup(&nsmb_clones);
destroy_dev_drain(&nsmb_cdevsw);
break;
default:
error = EINVAL;
break;
}
return error;
}
/* Called from detach */
void
sms1xxx_demux_exit(struct sms1xxx_softc *sc)
{
/* Wake up readers ! */
if(sc->dvr.state & DVR_SLEEP) {
wakeup(&sc->dvr);
}
if(sc->dvr.state & DVR_POLL) {
sc->dvr.state &= ~DVR_POLL;
selwakeuppri(&sc->dvr.rsel,PZERO);
}
/* Devices */
if(sc->dvr.dev != NULL) {
TRACE(TRACE_MODULE,"destroying dvr0, addr=%p\n",sc->dvr.dev);
destroy_dev(sc->dvr.dev);
sc->dvr.dev = NULL;
}
if(sc->clonetag != NULL) {
EVENTHANDLER_DEREGISTER(dev_clone,sc->clonetag);
sc->clonetag = NULL;
}
/* Destroy remaining clones */
for(int i = 0; i < MAX_FILTERS; ++i) {
if((sc->filter[i].pid != PIDFREE) &&
(sc->filter[i].dev != NULL)) {
TRACE(TRACE_MODULE,"destroying demux0.%d device, addr=%p\n",
i,sc->filter[i].dev);
destroy_dev_sched_cb(sc->filter[i].dev,
sms1xxx_demux_filter_reset, &sc->filter[i]);
}
}
if(sc->demux_clones != NULL) {
drain_dev_clone_events();
clone_cleanup(&sc->demux_clones);
destroy_dev_drain(&sms1xxx_demux_cdevsw);
sc->demux_clones = NULL;
}
/* DVR */
sc->dvr.state = 0;
sms1xxx_demux_pesbuf_reset(sc, 0, "exit");
if(sc->dvr.buf != NULL) {
free(sc->dvr.buf, M_USBDEV);
sc->dvr.buf = NULL;
}
/* Mutexes */
mtx_destroy(&sc->filterlock);
mtx_destroy(&sc->dvr.lock);
}