diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 6b68ddd..3388bb5 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -156,13 +156,19 @@
 extern u32 ipl_flags;
 extern u16 ipl_devno;
 
-void do_reipl(void);
+extern void do_reipl(void);
+extern void ipl_save_parameters(void);
 
 enum {
 	IPL_DEVNO_VALID	= 1,
 	IPL_PARMBLOCK_VALID = 2,
+	IPL_NSS_VALID = 4,
 };
 
+#define NSS_NAME_SIZE	8
+
+extern char kernel_nss_name[];
+
 #define IPL_PARMBLOCK_START	((struct ipl_parameter_block *) \
 				 IPL_PARMBLOCK_ORIGIN)
 #define IPL_PARMBLOCK_SIZE	(IPL_PARMBLOCK_START->hdr.len)