diff --git a/include/uapi/linux/dlm_plock.h b/include/uapi/linux/dlm_plock.h
new file mode 100644
index 0000000..6ae692c
--- /dev/null
+++ b/include/uapi/linux/dlm_plock.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ */
+
+#ifndef _UAPI__DLM_PLOCK_DOT_H__
+#define _UAPI__DLM_PLOCK_DOT_H__
+
+#include <linux/types.h>
+
+#define DLM_PLOCK_MISC_NAME		"dlm_plock"
+
+#define DLM_PLOCK_VERSION_MAJOR	1
+#define DLM_PLOCK_VERSION_MINOR	2
+#define DLM_PLOCK_VERSION_PATCH	0
+
+enum {
+	DLM_PLOCK_OP_LOCK = 1,
+	DLM_PLOCK_OP_UNLOCK,
+	DLM_PLOCK_OP_GET,
+};
+
+#define DLM_PLOCK_FL_CLOSE 1
+
+struct dlm_plock_info {
+	__u32 version[3];
+	__u8 optype;
+	__u8 ex;
+	__u8 wait;
+	__u8 flags;
+	__u32 pid;
+	__s32 nodeid;
+	__s32 rv;
+	__u32 fsid;
+	__u64 number;
+	__u64 start;
+	__u64 end;
+	__u64 owner;
+};
+
+
+#endif /* _UAPI__DLM_PLOCK_DOT_H__ */