diff --git a/sysemu.h b/sysemu.h
index 4063533..a1dadaa 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -28,6 +28,10 @@
 void vm_start(void);
 void vm_stop(int reason);
 
+uint64_t ram_bytes_remaining(void);
+uint64_t ram_bytes_transferred(void);
+uint64_t ram_bytes_total(void);
+
 int64_t cpu_get_ticks(void);
 void cpu_enable_ticks(void);
 void cpu_disable_ticks(void);