static void
pty_clone(void *arg, struct ucred *cr, char *name, int namelen,
struct cdev **dev)
{
/* Cloning is already satisfied. */
if (*dev != NULL)
return;
/* Only catch /dev/ptyXX. */
if (namelen != 5 || bcmp(name, "pty", 3) != 0)
return;
/* Only catch /dev/pty[l-sL-S]X. */
if (!(name[3] >= 'l' && name[3] <= 's') &&
!(name[3] >= 'L' && name[3] <= 'S'))
return;
/* Only catch /dev/pty[l-sL-S][0-9a-v]. */
if (!(name[4] >= '0' && name[4] <= '9') &&
!(name[4] >= 'a' && name[4] <= 'v'))
return;
/* Create the controller device node. */
*dev = make_dev_credf(MAKEDEV_REF, &ptydev_cdevsw, 0,
NULL, UID_ROOT, GID_WHEEL, 0666, "%s", name);
}
static void
ctty_drvinit(void *unused)
{
EVENTHANDLER_REGISTER(dev_clone, ctty_clone, 0, 1000);
ctty = make_dev_credf(MAKEDEV_ETERNAL, &ctty_cdevsw, 0, NULL, UID_ROOT,
GID_WHEEL, 0666, "ctty");
}
static int
privcmd_attach(device_t dev)
{
make_dev_credf(MAKEDEV_ETERNAL, &privcmd_devsw, 0, NULL, UID_ROOT,
GID_WHEEL, 0600, "xen/privcmd");
return (0);
}
static void
log_drvinit(void *unused)
{
cv_init(&log_wakeup, "klog");
callout_init_mtx(&logsoftc.sc_callout, &msgbuf_lock, 0);
make_dev_credf(MAKEDEV_ETERNAL, &log_cdevsw, 0, NULL, UID_ROOT,
GID_WHEEL, 0600, "klog");
}
static void
sms1xxx_demux_clone(void *arg, struct ucred *cred, char *name,
int namelen, struct cdev **dev)
{
char buf[40];
int filtnr = 0;
int unit;
struct sms1xxx_softc *sc = arg;
TRACE(TRACE_OPEN,"name=%s\n",name);
if (*dev != NULL || sc == NULL)
return;
snprintf(buf,39,"dvb/adapter%d/demux0",device_get_unit(sc->sc_dev));
if(strcmp(name,buf) != 0)
return;
for(filtnr = 0; filtnr < MAX_FILTERS; ++filtnr) {
if(sc->filter[filtnr].pid == PIDFREE)
break;
}
if(filtnr >= MAX_FILTERS) {
ERR("no more filter free\n");
return;
}
if(sc->filter[filtnr].dev != NULL) {
ERR("filter %d not free\n", filtnr);
return;
}
/* Clones are shared among devices, so handle unit numbers
manually by reserving a range of MAX_FILTERS units per-device
(clone_create will fail setting unit number automatically :
unit number assignment is done by crawling sc's (only) clones
and will not detect clones created for other devices, resulting
in trying to set twice the same unit number). */
unit = device_get_unit(sc->sc_dev) * MAX_FILTERS + filtnr;
if(clone_create(&sc->demux_clones, &sms1xxx_demux_cdevsw, &unit, dev, 0)) {
*dev = make_dev_credf(MAKEDEV_REF, &sms1xxx_demux_cdevsw,
unit, NULL, UID_ROOT, GID_WHEEL,
0666, "dvb/adapter%d/demux0.%d",
device_get_unit(sc->sc_dev), filtnr);
if(*dev != NULL) {
TRACE(TRACE_MODULE,"created demux0.%d device, addr=%p\n",
filtnr, *dev);
(*dev)->si_flags |= SI_CHEAPCLONE;
(*dev)->si_drv1 = sc;
(*dev)->si_drv2 = &sc->filter[filtnr]; /* map filter to device */
sc->filter[filtnr].dev = *dev; /* map device to filter */
sc->filter[filtnr].pid = PIDCLONED;
}
}
}
static void
nsmb_dev_clone(void *arg, struct ucred *cred, char *name, int namelen,
struct cdev **dev)
{
int i, u;
if (*dev != NULL)
return;
if (strcmp(name, NSMB_NAME) == 0)
u = -1;
else if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1)
return;
i = clone_create(&nsmb_clones, &nsmb_cdevsw, &u, dev, 0);
if (i)
*dev = make_dev_credf(MAKEDEV_REF, &nsmb_cdevsw, u, cred,
UID_ROOT, GID_WHEEL, 0600, "%s%d", NSMB_NAME, u);
}
