static int __init mod_init(void)
{
int errno = 0;
struct device *device = NULL;
errno = alloc_chrdev_region(&device_num, 0, 1, DEVICE_NAME);
if (errno < 0) {
printk(KERN_WARNING "alloc_chrdev_region failed (%d)", errno);
return errno;
}
device_class = class_create(THIS_MODULE, DEVICE_NAME);
if (IS_ERR(device_class)) {
errno = PTR_ERR(device_class);
printk(KERN_WARNING "class_create failed (%d)", errno);
goto fail;
}
device_class->dev_uevent = device_uevent;
device_cdev = kzalloc(sizeof(struct cdev), GFP_KERNEL);
if (device_cdev == NULL) {
printk(KERN_WARNING "kzalloc failed");
errno = -ENOMEM;
goto fail;
}
cdev_init(device_cdev, &fops);
device_cdev->owner = THIS_MODULE;
errno = cdev_add(device_cdev, device_num, 1);
if (errno) {
printk(KERN_WARNING "cdev_add failed (%d)", errno);
goto fail;
}
device = device_create(device_class, NULL, device_num, NULL, DEVICE_NAME);
if (IS_ERR(device)) {
errno = PTR_ERR(device);
printk(KERN_WARNING "device_create failed (%d)", errno);
cdev_del(device_cdev);
goto fail;
}
return 0;
fail:
mod_cleanup();
return errno;
}
/** Stop CT.
*
* @param h CT handler.
* @param veid CT ID.
* @param param CT parameters.
* @param stop_mode stop mode, one of (M_REBOOT M_HALT M_KILL).
* @param skip flag to skip run action script (SKIP_ACTION_SCRIPT)
* @param action modules list, used to call cleanup() callback.
* @return 0 on success.
*/
int vps_stop(vps_handler *h, envid_t veid, vps_param *param, int stop_mode,
skipFlags skip, struct mod_action *action)
{
int ret;
char buf[64];
vps_res *res = ¶m->res;
if (check_var(res->fs.root, "VE_ROOT is not set"))
return VZ_VE_ROOT_NOTSET;
if (!vps_is_run(h, veid)) {
logger(-1, 0, "Unable to stop: container is not running");
return 0;
}
if (!(skip & SKIP_ACTION_SCRIPT)) {
snprintf(buf, sizeof(buf), VPS_CONF_DIR "%d.%s", veid,
STOP_PREFIX);
if (stat_file(buf)) {
if (vps_exec_script(h, veid, res->fs.root, NULL, NULL,
buf, NULL, 0))
{
return VZ_ACTIONSCRIPT_ERROR;
}
}
}
/* get CT IP addresses for cleanup */
get_vps_ip(h, veid, ¶m->del_res.net.ip);
if ((ret = env_stop(h, veid, res->fs.root, stop_mode)))
goto end;
mod_cleanup(h, veid, action, param);
/* Cleanup CT IPs */
run_net_script(veid, DEL, ¶m->del_res.net.ip,
STATE_STOPPING, param->res.net.skip_arpdetect);
ret = vps_umount(h, veid, res->fs.root, skip);
end:
free_str_param(¶m->del_res.net.ip);
return ret;
}
static void __exit mod_exit(void)
{
mod_cleanup();
return;
}
