diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 40f7ed115452aa7c537a8288579a7b974434b601..094a906a0e98320747042890dcc98eb4dbf470d0 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -327,6 +327,11 @@ struct acpi_table_dbg2 {
 	u32 info_count;
 };
 
+struct acpi_dbg2_header {
+	u32 info_offset;
+	u32 info_count;
+};
+
 /* Debug Device Information Subtable */
 
 struct acpi_dbg2_device {