diff --git a/libc/kernel/uapi/mtd/ubi-user.h b/libc/kernel/uapi/mtd/ubi-user.h
new file mode 100644
index 0000000..fa6be32
--- /dev/null
+++ b/libc/kernel/uapi/mtd/ubi-user.h
@@ -0,0 +1,116 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __UBI_USER_H__
+#define __UBI_USER_H__
+#include <linux/types.h>
+#define UBI_VOL_NUM_AUTO (-1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UBI_DEV_NUM_AUTO (-1)
+#define UBI_MAX_VOLUME_NAME 127
+#define UBI_IOC_MAGIC 'o'
+#define UBI_IOCMKVOL _IOW(UBI_IOC_MAGIC, 0, struct ubi_mkvol_req)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UBI_IOCRMVOL _IOW(UBI_IOC_MAGIC, 1, __s32)
+#define UBI_IOCRSVOL _IOW(UBI_IOC_MAGIC, 2, struct ubi_rsvol_req)
+#define UBI_IOCRNVOL _IOW(UBI_IOC_MAGIC, 3, struct ubi_rnvol_req)
+#define UBI_CTRL_IOC_MAGIC 'o'
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UBI_IOCATT _IOW(UBI_CTRL_IOC_MAGIC, 64, struct ubi_attach_req)
+#define UBI_IOCDET _IOW(UBI_CTRL_IOC_MAGIC, 65, __s32)
+#define UBI_VOL_IOC_MAGIC 'O'
+#define UBI_IOCVOLUP _IOW(UBI_VOL_IOC_MAGIC, 0, __s64)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UBI_IOCEBER _IOW(UBI_VOL_IOC_MAGIC, 1, __s32)
+#define UBI_IOCEBCH _IOW(UBI_VOL_IOC_MAGIC, 2, __s32)
+#define UBI_IOCEBMAP _IOW(UBI_VOL_IOC_MAGIC, 3, struct ubi_map_req)
+#define UBI_IOCEBUNMAP _IOW(UBI_VOL_IOC_MAGIC, 4, __s32)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UBI_IOCEBISMAP _IOR(UBI_VOL_IOC_MAGIC, 5, __s32)
+#define UBI_IOCSETVOLPROP _IOW(UBI_VOL_IOC_MAGIC, 6,   struct ubi_set_vol_prop_req)
+#define MAX_UBI_MTD_NAME_LEN 127
+#define UBI_MAX_RNVOL 32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum {
+ UBI_DYNAMIC_VOLUME = 3,
+ UBI_STATIC_VOLUME = 4,
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum {
+ UBI_VOL_PROP_DIRECT_WRITE = 1,
+};
+struct ubi_attach_req {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 ubi_num;
+ __s32 mtd_num;
+ __s32 vid_hdr_offset;
+ __s16 max_beb_per1024;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s8 padding[10];
+};
+struct ubi_mkvol_req {
+ __s32 vol_id;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 alignment;
+ __s64 bytes;
+ __s8 vol_type;
+ __s8 padding1;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s16 name_len;
+ __s8 padding2[4];
+ char name[UBI_MAX_VOLUME_NAME + 1];
+} __packed;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct ubi_rsvol_req {
+ __s64 bytes;
+ __s32 vol_id;
+} __packed;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct ubi_rnvol_req {
+ __s32 count;
+ __s8 padding1[12];
+ struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 vol_id;
+ __s16 name_len;
+ __s8 padding2[2];
+ char name[UBI_MAX_VOLUME_NAME + 1];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ } ents[UBI_MAX_RNVOL];
+} __packed;
+struct ubi_leb_change_req {
+ __s32 lnum;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 bytes;
+ __s8 dtype;
+ __s8 padding[7];
+} __packed;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct ubi_map_req {
+ __s32 lnum;
+ __s8 dtype;
+ __s8 padding[3];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __packed;
+struct ubi_set_vol_prop_req {
+ __u8 property;
+ __u8 padding[7];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 value;
+} __packed;
+#endif