| /* SPDX-License-Identifier: GPL-2.0-only */ |
| #ifndef __VBOOT_VBOOT_COMMON_H__ |
| #define __VBOOT_VBOOT_COMMON_H__ |
| |
| #include <commonlib/region.h> |
| #include <stdint.h> |
| #include <vb2_api.h> |
| |
| /* |
| * Function to check if there is a request to enter recovery mode. Returns |
| * reason code if request to enter recovery mode is present, otherwise 0. |
| */ |
| int vboot_check_recovery_request(void); |
| |
| /* ============================ VBOOT REBOOT ============================== */ |
| /* |
| * vboot_reboot handles the reboot requests made by vboot_reference library. It |
| * allows the platform to run any preparation steps before the reboot and then |
| * does a hard reset. |
| */ |
| void vboot_reboot(void); |
| |
| /* Allow the platform to do any clean up work when vboot requests a reboot. */ |
| void vboot_platform_prepare_reboot(void); |
| |
| /* ============================ VBOOT RESUME ============================== */ |
| /* |
| * Save the provided hash digest to a secure location to check against in |
| * the resume path. Returns 0 on success, < 0 on error. |
| */ |
| int vboot_save_hash(void *digest, size_t digest_size); |
| |
| /* |
| * Retrieve the previously saved hash digest. Returns 0 on success, |
| * < 0 on error. |
| */ |
| int vboot_retrieve_hash(void *digest, size_t digest_size); |
| |
| /* ============================= VERSTAGE ================================== */ |
| /* |
| * Main logic for verified boot. verstage_main() is just the core vboot logic. |
| * If the verstage is a separate stage, it should be entered via main(). |
| */ |
| void verstage_main(void); |
| void verstage_mainboard_early_init(void); |
| void verstage_mainboard_init(void); |
| |
| /* Check boot modes */ |
| #if CONFIG(VBOOT) |
| int vboot_developer_mode_enabled(void); |
| int vboot_recovery_mode_enabled(void); |
| int vboot_can_enable_udc(void); |
| void vboot_run_logic(void); |
| int vboot_locate_cbfs(struct region_device *rdev); |
| #else /* !CONFIG_VBOOT */ |
| static inline int vboot_developer_mode_enabled(void) { return 0; } |
| static inline int vboot_recovery_mode_enabled(void) { return 0; } |
| /* If VBOOT is not enabled, we are okay enabling USB device controller (UDC). */ |
| static inline int vboot_can_enable_udc(void) { return 1; } |
| static inline void vboot_run_logic(void) {} |
| static inline int vboot_locate_cbfs(struct region_device *rdev) { return -1; } |
| #endif |
| |
| void vboot_save_data(struct vb2_context *ctx); |
| |
| /* |
| * The API for performing EC software sync. Does not support |
| * "slow" updates or Auxiliary FW sync. |
| */ |
| void vboot_sync_ec(void); |
| |
| #endif /* __VBOOT_VBOOT_COMMON_H__ */ |