diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h
index 16d0a4e..522a9df 100644
--- a/drivers/s390/char/vmur.h
+++ b/drivers/s390/char/vmur.h
@@ -50,7 +50,9 @@
 	char  rest[200];
 } __attribute__ ((packed));
 
-#define FLG_CP_DUMP 0x10
+#define FLG_SYSTEM_HOLD	0x04
+#define FLG_CP_DUMP	0x10
+#define FLG_USER_HOLD	0x20
 
 /*
  * A struct urdev is created for each ur device that is made available