1 files changed, 26 insertions, 0 deletions
diff --git a/include/uapi/linux/wmi.h b/include/uapi/linux/wmi.h
new file mode 100644
index 000000000000..7e52350ac9b3
--- /dev/null
+++ b/include/uapi/linux/wmi.h
@@ -0,0 +1,26 @@
+/*
+ *  User API methods for ACPI-WMI mapping driver
+ *
+ *  Copyright (C) 2017 Dell, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+#ifndef _UAPI_LINUX_WMI_H
+#define _UAPI_LINUX_WMI_H
+
+#include <linux/types.h>
+
+/* WMI bus will filter all WMI vendor driver requests through this IOC */
+#define WMI_IOC 'W'
+
+/* All ioctl requests through WMI should declare their size followed by
+ * relevant data objects
+ */
+struct wmi_ioctl_buffer {
+	__u64	length;
+	__u8	data[];
+};
+
+#endif