From cd121bdb6df3fe8dfe45ff1e34f46f86b8f060c0 Mon Sep 17 00:00:00 2001 From: Frank Wunderlich Date: Sat, 29 Jun 2019 11:36:19 +0200 Subject: env: register erase command this patch adds basic changes for adding a erase-subcommand to env with this command the environment stored on non-volatile storage written by saveenv can be cleared. Signed-off-by: Frank Wunderlich squashed fixes - start message with "Erasing" - mark erase-function as optional - env: separate eraseenv from saveenv Suggested-by: Simon Goldschmidt Reviewed-by: Simon Goldschmidt --- include/environment.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'include') diff --git a/include/environment.h b/include/environment.h index cd96676141..de67cf4f0e 100644 --- a/include/environment.h +++ b/include/environment.h @@ -200,6 +200,7 @@ enum env_operation { ENVOP_INIT, /* we want to call the init function */ ENVOP_LOAD, /* we want to call the load function */ ENVOP_SAVE, /* we want to call the save function */ + ENVOP_ERASE, /* we want to call the erase function */ }; struct env_driver { @@ -225,6 +226,15 @@ struct env_driver { */ int (*save)(void); + /** + * erase() - Erase the environment on storage + * + * This method is optional and required for 'eraseenv' to work. + * + * @return 0 if OK, -ve on error + */ + int (*erase)(void); + /** * init() - Set up the initial pre-relocation environment * @@ -303,6 +313,13 @@ int env_load(void); */ int env_save(void); +/** + * env_erase() - Erase the environment on storage + * + * @return 0 if OK, -ve on error + */ +int env_erase(void); + /** * env_fix_drivers() - Updates envdriver as per relocation */ -- cgit