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/*
* Copyright 2017 Google Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but without any warranty; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __DRIVERS_EC_VBOOT_AUX_FW_H
#define __DRIVERS_EC_VBOOT_AUX_FW_H
#include <stddef.h>
#include <stdint.h>
#include <vboot_api.h>
typedef struct VbootAuxFwOps VbootAuxFwOps;
struct VbootAuxFwOps {
VbError_t (*check_hash)(const VbootAuxFwOps *me,
const uint8_t *hash, size_t hash_size,
VbAuxFwUpdateSeverity_t *severity);
/*
* Return VBERROR_SUCCESS on successful update. AUX FW Sync in turn
* requests for an EC reboot to RO on successful update, so that any
* chip whose FW is updated gets reset to a clean state.
*/
VbError_t (*update_image)(const VbootAuxFwOps *me,
const uint8_t *image, size_t image_size);
VbError_t (*protect_status)(const VbootAuxFwOps *me,
int *protect_status);
const char *fw_image_name;
const char *fw_hash_name;
};
#define NUM_MAX_VBOOT_AUX_FW 2
extern void register_vboot_aux_fw(const VbootAuxFwOps *aux_fw);
extern VbError_t check_vboot_aux_fw(VbAuxFwUpdateSeverity_t *severity);
extern VbError_t update_vboot_aux_fw(void);
#endif /* __DRIVERS_EC_VBOOT_AUX_FW_H */