diff options
| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2021-05-03 13:48:46 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-05-03 13:55:29 +0200 |
| commit | 0394fe51b489028388063ed6f238dab3efbd1ae7 (patch) | |
| tree | cf1d77588a9889104546c5b71e0348687b4d8a12 /lib | |
| parent | af0f068a6edad45b033e772056ac0352e1ba3613 (diff) | |
| download | barebox-0394fe51b489028388063ed6f238dab3efbd1ae7.tar.gz barebox-0394fe51b489028388063ed6f238dab3efbd1ae7.tar.xz | |
show_progress: add system wide progress stage notifier
Use case is e.g. board code that wants to register a client to light
status LEDs to indicate system state when no serial output is available.
This functionality doesn't increase code size due to linker GC when
CONFIG_PROGRESS_NOTIFIER is disabled.
There is a generic progress notifier provided that just logs the
status. This could be shared with the booted kernel via pstore or
the log as a whole written to a system setup USB drive.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210503114901.13095-2-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 6 | ||||
| -rw-r--r-- | lib/show_progress.c | 28 |
2 files changed, 34 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index e5831ecdb9..922710e106 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -154,6 +154,12 @@ source "lib/logo/Kconfig" source "lib/bootstrap/Kconfig" +config PROGRESS_NOTIFIER + bool + help + This is selected by boards that register a notifier to visualize + progress, like blinking a LED during an update. + config PRINTF_UUID bool diff --git a/lib/show_progress.c b/lib/show_progress.c index 1be06ea780..1b624bcb9a 100644 --- a/lib/show_progress.c +++ b/lib/show_progress.c @@ -57,3 +57,31 @@ void init_progression_bar(loff_t max) else printf("\t"); } + +NOTIFIER_HEAD(progress_notifier_list); + +static int progress_logger(struct notifier_block *r, unsigned long stage, void *_prefix) +{ + const char *prefix = _prefix; + + switch ((enum progress_stage)stage) { + case PROGRESS_UPDATING: + pr_info("%sSoftware update in progress\n", prefix); + break; + case PROGRESS_UPDATE_SUCCESS: + pr_info("%sSoftware update finished successfully\n", prefix); + break; + case PROGRESS_UPDATE_FAIL: + pr_info("%sSoftware update failed\n", prefix); + break; + case PROGRESS_UNSPECIFIED: + /* default state. This should not be reached */ + break; + } + + return 0; +} + +struct notifier_block progress_log_client = { + .notifier_call = progress_logger +}; |