diff options
Diffstat (limited to 'firmware/include/vboot_api.h')
| -rw-r--r-- | firmware/include/vboot_api.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/firmware/include/vboot_api.h b/firmware/include/vboot_api.h index f93df517..af61eedd 100644 --- a/firmware/include/vboot_api.h +++ b/firmware/include/vboot_api.h @@ -925,9 +925,9 @@ VbError_t VbExProtectFlash(enum VbProtectFlash_t region); /** * Check if the firmware needs to shut down the system. * - * Returns 1 if a shutdown is being requested (for example, the user has - * pressed the power button or closed the lid), or 0 if a shutdown is not being - * requested. + * Returns a non-zero VB_SHUTDOWN_REQUEST mask indicating the reason(s) for + * shutdown if a shutdown is being requested (see VB_SHUTDOWN_REQUEST_*), or 0 + * if a shutdown is not being requested. * * NOTE: When we're displaying a screen, pressing the power button should shut * down the computer. We need a way to break out of our control loop so this @@ -935,6 +935,17 @@ VbError_t VbExProtectFlash(enum VbProtectFlash_t region); */ uint32_t VbExIsShutdownRequested(void); +/* + * Shutdown requested for a reason which is not defined among other + * VB_SHUTDOWN_REQUEST_* values. This must be defined as 1 for backward + * compatibility with old versions of the API. + */ +#define VB_SHUTDOWN_REQUEST_OTHER 0x00000001 +/* Shutdown requested due to a lid switch being closed. */ +#define VB_SHUTDOWN_REQUEST_LID_CLOSED 0x00000002 +/* Shutdown requested due to a power button being pressed. */ +#define VB_SHUTDOWN_REQUEST_POWER_BUTTON 0x00000004 + /** * Expose the BIOS' built-in decompression routine to the vboot wrapper. The * caller must know how large the uncompressed data will be and must manage |