+#ifdef CONFIG_DMI
+
+extern int dmi_check_system(const struct dmi_system_id *list);
+extern const char * dmi_get_system_info(int field);
+extern const struct dmi_device * dmi_find_device(int type, const char *name,
+ const struct dmi_device *from);
+extern void dmi_scan_machine(void);
+extern int dmi_get_year(int field);
+extern int dmi_name_in_vendors(const char *str);
+extern int dmi_available;
+extern int dmi_walk(void (*decode)(const struct dmi_header *));