diff --git a/include/linux/devfs_fs.h b/include/linux/devfs_fs.h
new file mode 100644
index 0000000..de236f4
--- /dev/null
+++ b/include/linux/devfs_fs.h
@@ -0,0 +1,41 @@
+#ifndef _LINUX_DEVFS_FS_H
+#define _LINUX_DEVFS_FS_H
+
+#include <linux/ioctl.h>
+
+#define DEVFSD_PROTOCOL_REVISION_KERNEL  5
+
+#define	DEVFSD_IOCTL_BASE	'd'
+
+/*  These are the various ioctls  */
+#define DEVFSDIOC_GET_PROTO_REV         _IOR(DEVFSD_IOCTL_BASE, 0, int)
+#define DEVFSDIOC_SET_EVENT_MASK        _IOW(DEVFSD_IOCTL_BASE, 2, int)
+#define DEVFSDIOC_RELEASE_EVENT_QUEUE   _IOW(DEVFSD_IOCTL_BASE, 3, int)
+#define DEVFSDIOC_SET_DEBUG_MASK        _IOW(DEVFSD_IOCTL_BASE, 4, int)
+
+#define DEVFSD_NOTIFY_REGISTERED    0
+#define DEVFSD_NOTIFY_UNREGISTERED  1
+#define DEVFSD_NOTIFY_ASYNC_OPEN    2
+#define DEVFSD_NOTIFY_CLOSE         3
+#define DEVFSD_NOTIFY_LOOKUP        4
+#define DEVFSD_NOTIFY_CHANGE        5
+#define DEVFSD_NOTIFY_CREATE        6
+#define DEVFSD_NOTIFY_DELETE        7
+
+#define DEVFS_PATHLEN               1024	/*  Never change this otherwise the
+						   binary interface will change   */
+
+struct devfsd_notify_struct {	/*  Use native C types to ensure same types in kernel and user space     */
+	unsigned int type;	/*  DEVFSD_NOTIFY_* value                   */
+	unsigned int mode;	/*  Mode of the inode or device entry       */
+	unsigned int major;	/*  Major number of device entry            */
+	unsigned int minor;	/*  Minor number of device entry            */
+	unsigned int uid;	/*  Uid of process, inode or device entry   */
+	unsigned int gid;	/*  Gid of process, inode or device entry   */
+	unsigned int overrun_count;	/*  Number of lost events                   */
+	unsigned int namelen;	/*  Number of characters not including '\0' */
+	/*  The device name MUST come last                                       */
+	char devname[DEVFS_PATHLEN];	/*  This will be '\0' terminated            */
+};
+
+#endif				/*  _LINUX_DEVFS_FS_H  */