diff --git a/include/drivers/fwu/fwu.h b/include/drivers/fwu/fwu.h
index 9f18e22..1414fec 100644
--- a/include/drivers/fwu/fwu.h
+++ b/include/drivers/fwu/fwu.h
@@ -9,6 +9,10 @@
 
 #include <stdbool.h>
 
+#define FWU_BANK_STATE_ACCEPTED		0xFCU
+#define FWU_BANK_STATE_VALID		0xFEU
+#define FWU_BANK_STATE_INVALID		0xFFU
+
 void fwu_init(void);
 bool fwu_is_trial_run_state(void);
 const struct fwu_metadata *fwu_get_metadata(void);