diff --git a/libc/kernel/uapi/linux/serio.h b/libc/kernel/uapi/linux/serio.h
new file mode 100644
index 0000000..7afb1a2
--- /dev/null
+++ b/libc/kernel/uapi/linux/serio.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_SERIO_H
+#define _UAPI_SERIO_H
+#include <linux/ioctl.h>
+#define SPIOCSTYPE _IOW('q', 0x01, unsigned long)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_TIMEOUT 1
+#define SERIO_PARITY 2
+#define SERIO_FRAME 4
+#define SERIO_XT 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_8042 0x01
+#define SERIO_RS232 0x02
+#define SERIO_HIL_MLC 0x03
+#define SERIO_PS_PSTHRU 0x05
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_8042_XL 0x06
+#define SERIO_UNKNOWN 0x00
+#define SERIO_MSC 0x01
+#define SERIO_SUN 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_MS 0x03
+#define SERIO_MP 0x04
+#define SERIO_MZ 0x05
+#define SERIO_MZP 0x06
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_MZPP 0x07
+#define SERIO_VSXXXAA 0x08
+#define SERIO_SUNKBD 0x10
+#define SERIO_WARRIOR 0x18
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_SPACEORB 0x19
+#define SERIO_MAGELLAN 0x1a
+#define SERIO_SPACEBALL 0x1b
+#define SERIO_GUNZE 0x1c
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_IFORCE 0x1d
+#define SERIO_STINGER 0x1e
+#define SERIO_NEWTON 0x1f
+#define SERIO_STOWAWAY 0x20
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_H3600 0x21
+#define SERIO_PS2SER 0x22
+#define SERIO_TWIDKBD 0x23
+#define SERIO_TWIDJOY 0x24
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_HIL 0x25
+#define SERIO_SNES232 0x26
+#define SERIO_SEMTECH 0x27
+#define SERIO_LKKBD 0x28
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_ELO 0x29
+#define SERIO_MICROTOUCH 0x30
+#define SERIO_PENMOUNT 0x31
+#define SERIO_TOUCHRIGHT 0x32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_TOUCHWIN 0x33
+#define SERIO_TAOSEVM 0x34
+#define SERIO_FUJITSU 0x35
+#define SERIO_ZHENHUA 0x36
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_INEXIO 0x37
+#define SERIO_TOUCHIT213 0x38
+#define SERIO_W8001 0x39
+#define SERIO_DYNAPRO 0x3a
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERIO_HAMPSHIRE 0x3b
+#define SERIO_PS2MULT 0x3c
+#define SERIO_TSC40 0x3d
+#endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */