auto import from //depot/cupcake/@135843
diff --git a/libc/kernel/common/linux/atmioc.h b/libc/kernel/common/linux/atmioc.h
new file mode 100644
index 0000000..d004339
--- /dev/null
+++ b/libc/kernel/common/linux/atmioc.h
@@ -0,0 +1,40 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** 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.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_ATMIOC_H
+#define _LINUX_ATMIOC_H
+
+#include <asm/ioctl.h>
+
+#define ATMIOC_PHYCOM 0x00
+#define ATMIOC_PHYCOM_END 0x0f
+#define ATMIOC_PHYTYP 0x10
+#define ATMIOC_PHYTYP_END 0x2f
+#define ATMIOC_PHYPRV 0x30
+#define ATMIOC_PHYPRV_END 0x4f
+#define ATMIOC_SARCOM 0x50
+#define ATMIOC_SARCOM_END 0x50
+#define ATMIOC_SARPRV 0x60
+#define ATMIOC_SARPRV_END 0x7f
+#define ATMIOC_ITF 0x80
+#define ATMIOC_ITF_END 0x8f
+#define ATMIOC_BACKEND 0x90
+#define ATMIOC_BACKEND_END 0xaf
+
+#define ATMIOC_AREQUIPA 0xc0
+#define ATMIOC_LANE 0xd0
+#define ATMIOC_MPOA 0xd8
+#define ATMIOC_CLIP 0xe0
+#define ATMIOC_CLIP_END 0xef
+#define ATMIOC_SPECIAL 0xf0
+#define ATMIOC_SPECIAL_END 0xff
+
+#endif