diff --git a/flash.h b/flash.h
index 65fa685..308e19b 100644
--- a/flash.h
+++ b/flash.h
@@ -265,6 +265,9 @@
 	uint16_t second_card_vendor;
 	uint16_t second_card_device;
 
+	/* Pattern to match DMI entries */
+	const char *dmi_pattern;
+
 	/* The vendor / part name from the coreboot table. */
 	const char *lb_vendor;
 	const char *lb_part;
@@ -343,6 +346,11 @@
 extern char *lb_part, *lb_vendor;
 extern int partvendor_from_cbtable;
 
+/* dmi.c */
+extern int has_dmi_support;
+void dmi_init(void);
+int dmi_match(const char *pattern);
+
 /* internal.c */
 #if NEED_PCI == 1
 struct superio {