static long ktap_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct ktap_user_parm uparm;
int ret;
switch (cmd) {
case KTAP_CMD_VERSION:
print_version();
return 0;
case KTAP_CMD_RUN:
ret = copy_from_user(&uparm, (void __user *)arg,
sizeof(struct ktap_user_parm));
if (ret < 0)
return -EFAULT;
return ktap_main(file, &uparm);
case KTAP_CMD_USER_COMPLETE: {
ktap_State *ks = file->private_data;
kp_user_complete(ks);
break;
}
default:
return -EINVAL;
};
return 0;
}
static long ktap_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
ktap_option_t parm;
int ret;
switch (cmd) {
case KTAP_CMD_IOC_VERSION:
print_version();
return 0;
case KTAP_CMD_IOC_RUN:
/*
* must be root to run ktap script (at least for now)
*
* TODO: check perf_paranoid sysctl and allow non-root user
* to use ktap for tracing process(like uprobe) ?
*/
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
ret = copy_from_user(&parm, (void __user *)arg,
sizeof(ktap_option_t));
if (ret < 0)
return -EFAULT;
return ktap_main(file, &parm);
default:
return -EINVAL;
};
return 0;
}
static long ktap_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
ktap_parm parm;
int ret;
switch (cmd) {
case KTAP_CMD_IOC_VERSION:
print_version();
return 0;
case KTAP_CMD_IOC_RUN:
ret = copy_from_user(&parm, (void __user *)arg,
sizeof(ktap_parm));
if (ret < 0)
return -EFAULT;
return ktap_main(file, &parm);
default:
return -EINVAL;
};
return 0;
}
