diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 3fd3ddd..ee11183 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -49,6 +49,34 @@
 #define IPC_64  0x0100  /* New version (support 32-bit UIDs, bigger
 			   message sizes, etc. */
 
+/*
+ * These are used to wrap system calls.
+ *
+ * See architecture code for ugly details..
+ */
+struct ipc_kludge {
+	struct msgbuf __user *msgp;
+	long msgtyp;
+};
+
+#define SEMOP		 1
+#define SEMGET		 2
+#define SEMCTL		 3
+#define SEMTIMEDOP	 4
+#define MSGSND		11
+#define MSGRCV		12
+#define MSGGET		13
+#define MSGCTL		14
+#define SHMAT		21
+#define SHMDT		22
+#define SHMGET		23
+#define SHMCTL		24
+
+/* Used by the DIPC package, try and avoid reusing it */
+#define DIPC            25
+
+#define IPCCALL(version,op)	((version)<<16 | (op))
+
 #ifdef __KERNEL__
 
 #include <linux/kref.h>