Index: uspace/lib/c/include/devman.h
===================================================================
--- uspace/lib/c/include/devman.h	(revision 1974f56a0dc7b5508a418fa32f07674e63f0a46b)
+++ uspace/lib/c/include/devman.h	(revision 367db39a7fcc8a813e334b243d23692d5b6c6d76)
@@ -82,4 +82,5 @@
 extern int devman_driver_get_state(devman_handle_t, driver_state_t *);
 extern int devman_driver_load(devman_handle_t);
+extern int devman_driver_unload(devman_handle_t);
 
 #endif
Index: uspace/lib/c/include/ipc/devman.h
===================================================================
--- uspace/lib/c/include/ipc/devman.h	(revision 1974f56a0dc7b5508a418fa32f07674e63f0a46b)
+++ uspace/lib/c/include/ipc/devman.h	(revision 367db39a7fcc8a813e334b243d23692d5b6c6d76)
@@ -156,4 +156,5 @@
 	DRIVER_FUN_ONLINE,
 	DRIVER_FUN_OFFLINE,
+	DRIVER_STOP
 } devman_to_driver_t;
 
@@ -176,5 +177,6 @@
 	DEVMAN_DRIVER_GET_NAME,
 	DEVMAN_DRIVER_GET_STATE,
-	DEVMAN_DRIVER_LOAD
+	DEVMAN_DRIVER_LOAD,
+	DEVMAN_DRIVER_UNLOAD
 } client_to_devman_t;