diff --git a/libc/kernel/uapi/linux/hiddev.h b/libc/kernel/uapi/linux/hiddev.h
new file mode 100644
index 0000000..e4260fe
--- /dev/null
+++ b/libc/kernel/uapi/linux/hiddev.h
@@ -0,0 +1,153 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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 _UAPI_HIDDEV_H
+#define _UAPI_HIDDEV_H
+#include <linux/types.h>
+struct hiddev_event {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ unsigned hid;
+ signed int value;
+};
+struct hiddev_devinfo {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 bustype;
+ __u32 busnum;
+ __u32 devnum;
+ __u32 ifnum;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s16 vendor;
+ __s16 product;
+ __s16 version;
+ __u32 num_applications;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+struct hiddev_collection_info {
+ __u32 index;
+ __u32 type;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 usage;
+ __u32 level;
+};
+#define HID_STRING_SIZE 256
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct hiddev_string_descriptor {
+ __s32 index;
+ char value[HID_STRING_SIZE];
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct hiddev_report_info {
+ __u32 report_type;
+ __u32 report_id;
+ __u32 num_fields;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#define HID_REPORT_ID_UNKNOWN 0xffffffff
+#define HID_REPORT_ID_FIRST 0x00000100
+#define HID_REPORT_ID_NEXT 0x00000200
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HID_REPORT_ID_MASK 0x000000ff
+#define HID_REPORT_ID_MAX 0x000000ff
+#define HID_REPORT_TYPE_INPUT 1
+#define HID_REPORT_TYPE_OUTPUT 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HID_REPORT_TYPE_FEATURE 3
+#define HID_REPORT_TYPE_MIN 1
+#define HID_REPORT_TYPE_MAX 3
+struct hiddev_field_info {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 report_type;
+ __u32 report_id;
+ __u32 field_index;
+ __u32 maxusage;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 flags;
+ __u32 physical;
+ __u32 logical;
+ __u32 application;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 logical_minimum;
+ __s32 logical_maximum;
+ __s32 physical_minimum;
+ __s32 physical_maximum;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 unit_exponent;
+ __u32 unit;
+};
+#define HID_FIELD_CONSTANT 0x001
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HID_FIELD_VARIABLE 0x002
+#define HID_FIELD_RELATIVE 0x004
+#define HID_FIELD_WRAP 0x008
+#define HID_FIELD_NONLINEAR 0x010
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HID_FIELD_NO_PREFERRED 0x020
+#define HID_FIELD_NULL_STATE 0x040
+#define HID_FIELD_VOLATILE 0x080
+#define HID_FIELD_BUFFERED_BYTE 0x100
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct hiddev_usage_ref {
+ __u32 report_type;
+ __u32 report_id;
+ __u32 field_index;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 usage_index;
+ __u32 usage_code;
+ __s32 value;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HID_MAX_MULTI_USAGES 1024
+struct hiddev_usage_ref_multi {
+ struct hiddev_usage_ref uref;
+ __u32 num_values;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 values[HID_MAX_MULTI_USAGES];
+};
+#define HID_FIELD_INDEX_NONE 0xffffffff
+#define HID_VERSION 0x010004
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HIDIOCGVERSION _IOR('H', 0x01, int)
+#define HIDIOCAPPLICATION _IO('H', 0x02)
+#define HIDIOCGDEVINFO _IOR('H', 0x03, struct hiddev_devinfo)
+#define HIDIOCGSTRING _IOR('H', 0x04, struct hiddev_string_descriptor)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HIDIOCINITREPORT _IO('H', 0x05)
+#define HIDIOCGNAME(len) _IOC(_IOC_READ, 'H', 0x06, len)
+#define HIDIOCGREPORT _IOW('H', 0x07, struct hiddev_report_info)
+#define HIDIOCSREPORT _IOW('H', 0x08, struct hiddev_report_info)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HIDIOCGREPORTINFO _IOWR('H', 0x09, struct hiddev_report_info)
+#define HIDIOCGFIELDINFO _IOWR('H', 0x0A, struct hiddev_field_info)
+#define HIDIOCGUSAGE _IOWR('H', 0x0B, struct hiddev_usage_ref)
+#define HIDIOCSUSAGE _IOW('H', 0x0C, struct hiddev_usage_ref)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HIDIOCGUCODE _IOWR('H', 0x0D, struct hiddev_usage_ref)
+#define HIDIOCGFLAG _IOR('H', 0x0E, int)
+#define HIDIOCSFLAG _IOW('H', 0x0F, int)
+#define HIDIOCGCOLLECTIONINDEX _IOW('H', 0x10, struct hiddev_usage_ref)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HIDIOCGCOLLECTIONINFO _IOWR('H', 0x11, struct hiddev_collection_info)
+#define HIDIOCGPHYS(len) _IOC(_IOC_READ, 'H', 0x12, len)
+#define HIDIOCGUSAGES _IOWR('H', 0x13, struct hiddev_usage_ref_multi)
+#define HIDIOCSUSAGES _IOW('H', 0x14, struct hiddev_usage_ref_multi)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define HIDDEV_FLAG_UREF 0x1
+#define HIDDEV_FLAG_REPORT 0x2
+#define HIDDEV_FLAGS 0x3
+#endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */