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Fri, 13 Jun 2025 16:08:16 +0200 Received: from dude06.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::5c]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uQ54q-003IuX-1T; Fri, 13 Jun 2025 16:08:16 +0200 Received: from lsc by dude06.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1uQ54q-005AGO-1G; Fri, 13 Jun 2025 16:08:16 +0200 From: Lars Schmidt To: barebox@lists.infradead.org Cc: Lars Schmidt Date: Fri, 13 Jun 2025 16:08:03 +0200 Message-Id: <20250613140805.1229525-3-l.schmidt@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250613140805.1229525-1-l.schmidt@pengutronix.de> References: <20250613140805.1229525-1-l.schmidt@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250613_070817_833456_0DDC0372 X-CRM114-Status: GOOD ( 16.75 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 2/4] bootchooser: extend cmd tool by option to set slot locking X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Signed-off-by: Lars Schmidt --- commands/bootchooser.c | 16 +++++++++++++++- common/bootchooser.c | 28 ++++++++++++++++++++++++++++ include/bootchooser.h | 1 + 3 files changed, 44 insertions(+), 1 deletion(-) diff --git a/commands/bootchooser.c b/commands/bootchooser.c index 46b063e027..497427eaf0 100644 --- a/commands/bootchooser.c +++ b/commands/bootchooser.c @@ -48,8 +48,9 @@ static int do_bootchooser(int argc, char *argv[]) int info = 0; bool done_something = false; bool last_boot_successful = false; + int lock_state = -1; - while ((opt = getopt(argc, argv, "a:p:is")) > 0) { + while ((opt = getopt(argc, argv, "a:p:islL")) > 0) { switch (opt) { case 'a': if (!strcmp(optarg, "default")) @@ -69,6 +70,12 @@ static int do_bootchooser(int argc, char *argv[]) case 's': last_boot_successful = true; break; + case 'l': + lock_state = true; + break; + case 'L': + lock_state = false; + break; default: return COMMAND_ERROR_USAGE; } @@ -109,6 +116,11 @@ static int do_bootchooser(int argc, char *argv[]) done_something = true; } + if (lock_state >= 0) { + ret = bootchooser_lock_slots(bootchooser, lock_state); + done_something = true; + } + if (!done_something) { printf("Nothing to do\n"); ret = COMMAND_ERROR_USAGE; @@ -126,6 +138,8 @@ BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-a [TARGETS]", "set remaining attempts of given targets to 'n' or the default attempts") BAREBOX_CMD_HELP_OPT ("-p [TARGETS]", "set priority of given targets to 'n' or the default priority") BAREBOX_CMD_HELP_OPT ("-i", "Show information about the bootchooser") +BAREBOX_CMD_HELP_OPT ("-l", "Enable global slots lock") +BAREBOX_CMD_HELP_OPT ("-L", "Disable global slots lock") BAREBOX_CMD_HELP_OPT ("-s", "Mark the last boot successful") BAREBOX_CMD_HELP_END diff --git a/common/bootchooser.c b/common/bootchooser.c index a50f757791..b25ce3681d 100644 --- a/common/bootchooser.c +++ b/common/bootchooser.c @@ -635,6 +635,9 @@ void bootchooser_info(struct bootchooser *bc) printf("\nlast booted target: %s\n", bc->last_chosen ? bc->last_chosen->name : "unknown"); + + printf("Locking of boot slots: %s", + bc->slots_locked ? "enabled" : "disabled"); } /** @@ -821,6 +824,31 @@ struct bootchooser_target *bootchooser_get_last_chosen(struct bootchooser *bc) return bc->last_chosen; } +/** + * bootchooser_locks_slots - sets the state of the slots_locked + * @bc: The bootchooser + * @locked: Set slots_locked to true or false + * + * Bootchooser stores the value if states are locked globally. + * This means remaining_attempts will not be counted down, when slots are + * locked + * + * Return: 0 for success, negative error code otherwise + */ +int bootchooser_lock_slots(struct bootchooser *bc, bool locked) +{ + uint32_t not_needed; + /* We just need to check here, if the value exists in the device tree + * So if it doesn't exist, we can inform user about it for easier debugging + */ + if (getenv_u32(bc->state_prefix, "slots_locked", ¬_needed)) + pr_warn("Could not find value in device tree\n"); + else + bc->slots_locked = locked; + + return 0; +} + static int bootchooser_boot_one(struct bootchooser *bc, int *tryagain) { char *system; diff --git a/include/bootchooser.h b/include/bootchooser.h index 31989163b2..d63868abe4 100644 --- a/include/bootchooser.h +++ b/include/bootchooser.h @@ -17,6 +17,7 @@ void bootchooser_info(struct bootchooser *bootchooser); int bootchooser_boot(struct bootchooser *bc); struct bootchooser_target *bootchooser_get_last_chosen(struct bootchooser *bootchooser); +int bootchooser_lock_slots(struct bootchooser *bc, bool locked); const char *bootchooser_target_name(struct bootchooser_target *target); struct bootchooser_target *bootchooser_target_by_name(struct bootchooser *bootchooser, const char *name); -- 2.39.5