* libcfs/include/libcfs/libcfs_ioctl.h
*
* Low-level ioctl data structures. Kernel ioctl functions declared here,
- * and user space functions are in libcfsutil_ioctl.h.
+ * and user space functions are in libcfs/util/ioctl.h.
*
*/
__u32 ioc_version;
};
+/** max size to copy from userspace */
+#define LIBCFS_IOC_DATA_MAX (128 * 1024)
+
struct libcfs_ioctl_data {
struct libcfs_ioctl_hdr ioc_hdr;
int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand);
int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
-int libcfs_ioctl_getdata_len(const struct libcfs_ioctl_hdr __user *arg,
- __u32 *buf_len);
+int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp,
+ const struct libcfs_ioctl_hdr __user *uparam);
int libcfs_ioctl_popdata(void __user *arg, void *buf, int size);
int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data);