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coreboot-kgpe-d16/payloads/libpayload/include/lp_vboot.h

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libpayload/vboot: Add vboot context initialization and management code To fully and easily implement fallback/recovery in libcbfs with vboot support the codebase requires access to vboot context. Moving context management to libpayload allows to avoid unnecessary overhead and code complication and still allows payloads to access it in a way it was designed. Access to this codebase will also allow implementation of e.g. vboot_fail_and_reboot() and other helpful utilities used by coreboot and depthcharge. BUG=b:197114807 TEST=make unit-tests TEST=Build and boot on google/ovis4es with CL:4839296 and VBOOT_CBFS_INTEGRATION enabled Change-Id: Id719be7c4f07251201424b7dc6c1125c6b5756d8 Signed-off-by: Jakub Czapiga <jacz@semihalf.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77635 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2023-09-08 15:17:21 +02:00
/* SPDX-License-Identifier: BSD-3-Clause */
#ifndef _LP_VBOOT_H_
#define _LP_VBOOT_H_
#include <vb2_api.h>
struct vb2_context *vboot_get_context(void);
libpayload: Add vboot and reboot utility functions Patch adds: - vboot_fail_and_reboot() for vboot failures handling. - reboot() weak implementation for payloads to implement, used by vboot_fail_and_reboot(). - vboot_recovery_mode_enabled() to check if recovery mode flag is set in vboot context. Implemented for future libcbfs implementation of VBOOT_CBFS_INTEGRATION in libpayload. BUG=b:197114807 TEST=none Change-Id: I53d1955573d54bc56d05f7780c18dcc8ac1fd399 Signed-off-by: Jakub Czapiga <jacz@semihalf.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77725 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
2023-09-08 15:19:00 +02:00
/*
* Call vb2api_fail() with reason and subcode, save vboot data with vb2ex_commit_data()
* and reboot with vboot_reboot().
*/
void vboot_fail_and_reboot(struct vb2_context *ctx, uint8_t reason, uint8_t subcode);
/* Returns non-zero if recovery mode is enabled. */
int vboot_recovery_mode_enabled(void);
libpayload/vboot: Add vboot context initialization and management code To fully and easily implement fallback/recovery in libcbfs with vboot support the codebase requires access to vboot context. Moving context management to libpayload allows to avoid unnecessary overhead and code complication and still allows payloads to access it in a way it was designed. Access to this codebase will also allow implementation of e.g. vboot_fail_and_reboot() and other helpful utilities used by coreboot and depthcharge. BUG=b:197114807 TEST=make unit-tests TEST=Build and boot on google/ovis4es with CL:4839296 and VBOOT_CBFS_INTEGRATION enabled Change-Id: Id719be7c4f07251201424b7dc6c1125c6b5756d8 Signed-off-by: Jakub Czapiga <jacz@semihalf.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77635 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2023-09-08 15:17:21 +02:00
#endif /* _LP_VBOOT_H_ */