blob: 560fbb0e7ad31fd5729a0d897676cd5bc6e26753 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* 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"
/**
* Read using flashrom into an allocated buffer.
*
* @param programmer The name of the programmer to use. There are
* named constants FLASHROM_PROGRAMMER_INTERNAL_AP
* and FLASHROM_PROGRAMMER_INTERNAL_EC available
* for the AP and EC respectively, or a custom
* programmer string can be provided.
* @param region The name of the fmap region to read, or NULL to
* read the entire flash chip.
* @param data_out Output parameter of allocated buffer to read into.
* The caller should free the buffer.
* @param size_out Output parameter of buffer size.
*
* @return VB2_SUCCESS on success, or a relevant error.
*/
vb2_error_t flashrom_read(const char *programmer, const char *region,
uint8_t **data_out, uint32_t *size_out);
/**
* Write using flashrom from a buffer.
*
* @param programmer The name of the programmer to use. There are
* named constants FLASHROM_PROGRAMMER_INTERNAL_AP
* and FLASHROM_PROGRAMMER_INTERNAL_EC available
* for the AP and EC respectively, or a custom
* programmer string can be provided.
* @param region The name of the fmap region to write, or NULL to
* write the entire flash chip.
* @param data The buffer to write.
* @param size The size of the buffer to write.
*
* @return VB2_SUCCESS on success, or a relevant error.
*/
vb2_error_t flashrom_write(const char *programmer, const char *region,
uint8_t *data, uint32_t size);
|
