/* Create single-use devices for /dev/apm and /dev/apmctl. */
static void
apm_clone(void *arg, struct ucred *cred, char *name, int namelen,
struct cdev **dev)
{
int ctl_dev, unit;
if (*dev != NULL)
return;
if (strcmp(name, "apmctl") == 0)
ctl_dev = TRUE;
else if (strcmp(name, "apm") == 0)
ctl_dev = FALSE;
else
return;
/* Always create a new device and unit number. */
unit = -1;
if (clone_create(&apm_clones, &apm_cdevsw, &unit, dev, 0)) {
if (ctl_dev) {
*dev = make_dev(&apm_cdevsw, unit,
UID_ROOT, GID_OPERATOR, 0660, "apmctl%d", unit);
} else {
*dev = make_dev(&apm_cdevsw, unit,
UID_ROOT, GID_OPERATOR, 0664, "apm%d", unit);
}
if (*dev != NULL) {
dev_ref(*dev);
(*dev)->si_flags |= SI_CHEAPCLONE;
}
}
}
static void
tunclone(void *arg, char *name, int namelen, struct cdev **dev)
{
int u, i;
if (*dev != NULL)
return;
if (strcmp(name, TUNNAME) == 0) {
u = -1;
} else if (dev_stdclone(name, NULL, TUNNAME, &u) != 1)
return; /* Don't recognise the name */
if (u != -1 && u > IF_MAXUNIT)
return; /* Unit number too high */
/* find any existing device, or allocate new unit number */
i = clone_create(&tunclones, &tun_cdevsw, &u, dev, 0);
if (i) {
/* No preexisting struct cdev *, create one */
*dev = make_dev(&tun_cdevsw, unit2minor(u),
UID_UUCP, GID_DIALER, 0600, "tun%d", u);
if (*dev != NULL)
(*dev)->si_flags |= SI_CHEAPCLONE;
}
}
static void
dtrace_clone(void *arg, struct ucred *cred, char *name, int namelen, struct cdev **dev)
{
int u = -1;
size_t len;
if (*dev != NULL)
return;
len = strlen(name);
if (len != 6 && len != 13)
return;
if (bcmp(name,"dtrace",6) != 0)
return;
if (len == 13 && bcmp(name,"dtrace/dtrace",13) != 0)
return;
/* Clone the device to the new minor number. */
if (clone_create(&dtrace_clones, &dtrace_cdevsw, &u, dev, 0) != 0)
/* Create the /dev/dtrace/dtraceNN entry. */
*dev = make_dev_cred(&dtrace_cdevsw, u, cred,
UID_ROOT, GID_WHEEL, 0600, "dtrace/dtrace%d", u);
if (*dev != NULL) {
dev_ref(*dev);
(*dev)->si_flags |= SI_CHEAPCLONE;
}
}
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;
}
}
}
/**
* DEVFS event handler.
*/
static void vgdrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
{
int iUnit;
int rc;
Log(("vgdrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
/*
* One device node per user, si_drv1 points to the session.
* /dev/vboxguest<N> where N = {0...255}.
*/
if (!ppDev)
return;
if (strcmp(pszName, "vboxguest") == 0)
iUnit = -1;
else if (dev_stdclone(pszName, NULL, "vboxguest", &iUnit) != 1)
return;
if (iUnit >= 256)
{
Log(("vgdrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
return;
}
Log(("vgdrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
rc = clone_create(&g_pvgdrvFreeBSDClones, &g_vgdrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
Log(("vgdrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
if (rc)
{
*ppDev = make_dev(&g_vgdrvFreeBSDChrDevSW,
iUnit,
UID_ROOT,
GID_WHEEL,
0664,
"vboxguest%d", iUnit);
if (*ppDev)
{
dev_ref(*ppDev);
(*ppDev)->si_flags |= SI_CHEAPCLONE;
Log(("vgdrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
*ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
(*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
}
else
Log(("vgdrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
}
else
Log(("vgdrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
*ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
}
/**
* DEVFS event handler.
*/
static void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
{
int iUnit;
int rc;
Log(("VBoxDrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
/*
* One device node per user, si_drv1 points to the session.
* /dev/vboxdrv<N> where N = {0...255}.
*/
if (!ppDev)
return;
if (dev_stdclone(pszName, NULL, "vboxdrv", &iUnit) != 1)
return;
if (iUnit >= 256 || iUnit < 0)
{
Log(("VBoxDrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
return;
}
Log(("VBoxDrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
rc = clone_create(&g_pVBoxDrvFreeBSDClones, &g_VBoxDrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
Log(("VBoxDrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
if (rc)
{
#if __FreeBSD_version > 800061
*ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW, iUnit, UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv%d", iUnit);
#else
*ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW, unit2minor(iUnit), UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv%d", iUnit);
#endif
if (*ppDev)
{
dev_ref(*ppDev);
(*ppDev)->si_flags |= SI_CHEAPCLONE;
Log(("VBoxDrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
*ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
(*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
}
else
OSDBGPRINT(("VBoxDrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
}
else
Log(("VBoxDrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
*ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
}
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);
}
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(&nsmb_cdevsw, u, UID_ROOT, GID_WHEEL, 0600,
"%s%d", NSMB_NAME, u);
if (*dev != NULL) {
dev_ref(*dev);
(*dev)->si_flags |= SI_CHEAPCLONE;
}
}
}
