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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Host utilites to execute flashrom command.
*/
#include <stdint.h>
#include "2return_codes.h"
#define FLASHROM_PROGRAMMER_INTERNAL_AP "host"
#define FLASHROM_PROGRAMMER_INTERNAL_EC "ec"
/* Utilities for firmware images and (FMAP) sections */
struct firmware_image {
/**
* programmer The name of the programmer to use. Use either
* FLASHROM_PROGRAMMER_INTERNAL_AP or,
* FLASHROM_PROGRAMMER_INTERNAL_EC
* for the AP and EC respectively.
*/
const char *programmer;
uint32_t size; /* buffer size. */
uint8_t *data; /* data allocated buffer to read/write with. */
/*
* TODO(quasisec b/207808292): Merge with other instance in vboot_ref
* such that the code becomes common.
*
char *file_name;
char *ro_version, *rw_version_a, *rw_version_b;
FmapHeader *fmap_header;
*/
};
/**
* Read using flashrom into an allocated buffer.
*
* @param image The parameter that contains the programmer, buffer and
* size to use in the read operation.
* @param region The name of the fmap region to read, or NULL to
* read the entire flash chip.
*
* @return VB2_SUCCESS on success, or a relevant error.
*/
vb2_error_t flashrom_read(struct firmware_image *image, const char *region);
/**
* Write using flashrom from a buffer.
*
* @param image The parameter that contains the programmer, buffer and
* size to use in the write operation.
* @param region The name of the fmap region to write, or NULL to
* write the entire flash chip.
*
* @return VB2_SUCCESS on success, or a relevant error.
*/
vb2_error_t flashrom_write(struct firmware_image *image, const char *region);
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