diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h
new file mode 100644
index 000000000000..0b5d550a0478
--- /dev/null
+++ b/arch/s390/include/asm/types.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _ASM_S390_TYPES_H
+#define _ASM_S390_TYPES_H
+
+#include <uapi/asm/types.h>
+
+#ifndef __ASSEMBLY__
+
+union register_pair {
+	unsigned __int128 pair;
+	struct {
+		unsigned long even;
+		unsigned long odd;
+	};
+};
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_S390_TYPES_H */