/* 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, unit2minor(unit),
UID_ROOT, GID_OPERATOR, 0660, "apmctl%d", unit);
} else {
*dev = make_dev(&apm_cdevsw, unit2minor(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;
}
}
/**
* 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));
}
