diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 034117b..c228dbc 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -427,6 +427,9 @@
 extern void nvm_unregister(char *);
 
 extern int nvm_submit_io(struct nvm_dev *, struct nvm_rq *);
+extern void nvm_generic_to_addr_mode(struct nvm_dev *, struct nvm_rq *);
+extern void nvm_addr_to_generic_mode(struct nvm_dev *, struct nvm_rq *);
+extern int nvm_erase_ppa(struct nvm_dev *, struct ppa_addr);
 extern int nvm_erase_blk(struct nvm_dev *, struct nvm_block *);
 #else /* CONFIG_NVM */
 struct nvm_dev_ops;