diff options
Diffstat (limited to 'firmware/2lib/include/2misc.h')
| -rw-r--r-- | firmware/2lib/include/2misc.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/firmware/2lib/include/2misc.h b/firmware/2lib/include/2misc.h index 6a61f9e5..b80f6906 100644 --- a/firmware/2lib/include/2misc.h +++ b/firmware/2lib/include/2misc.h @@ -188,4 +188,26 @@ vb2_error_t vb2_enable_developer_mode(struct vb2_context *ctx); */ int vb2_allow_recovery(struct vb2_context *ctx); +/** + * Clear recovery request appropriately. + * + * To avoid the recovery request "sticking" and the user being in a permanent + * recovery loop, the recovery request must be cleared and committed to nvdata. + * Note that this should be done at some point after we are certain the system + * does not require any reboots for non-vboot-related reasons (e.g. FSP + * initialization), and before triggering a reboot to exit a transient recovery + * mode (e.g. memory retraining request). + * + * In BROKEN cases, the recovery reason will be stowed away as subcode, to be + * retrieved after the user reboots in manual recovery. In manual recovery, + * subcode will be left alone to keep available for subsequent manual recovery + * requests, or for accessing from userspace on the next boot. + * + * This function modifies nvdata in vb2_context, but the caller is still + * expected to call vb2_commit_data. + * + * @param ctx Vboot context + */ +void vb2_clear_recovery(struct vb2_context *ctx); + #endif /* VBOOT_REFERENCE_2MISC_H_ */ |