/*
* This function is called by the hv_kvp_init -
* creates character device hv_kvp_dev
* allocates memory to hv_kvp_dev_buf
*
*/
static int
hv_kvp_dev_init(void)
{
int error = 0;
/* initialize semaphore */
sema_init(&kvp_globals.dev_sema, 0, "hv_kvp device semaphore");
/* create character device */
error = make_dev_p(MAKEDEV_CHECKNAME | MAKEDEV_WAITOK,
&hv_kvp_dev,
&hv_kvp_cdevsw,
0,
UID_ROOT,
GID_WHEEL,
0640,
"hv_kvp_dev");
if (error != 0)
return (error);
/*
* Malloc with M_WAITOK flag will never fail.
*/
hv_kvp_dev_buf = malloc(sizeof(*hv_kvp_dev_buf), M_HV_KVP_DEV_BUF, M_WAITOK |
M_ZERO);
return (0);
}
/*
* The only reason this exists is to create the /dev/reroot/ directory,
* used by reroot code in init(8) as a mountpoint for tmpfs.
*/
static void
reroot_conf(void *unused)
{
int error;
struct cdev *cdev;
error = make_dev_p(MAKEDEV_CHECKNAME | MAKEDEV_WAITOK, &cdev,
&reroot_cdevsw, NULL, UID_ROOT, GID_WHEEL, 0600, "reroot/reroot");
if (error != 0) {
printf("%s: failed to create device node, error %d",
__func__, error);
}
}
