coreboot-kgpe-d16/src/soc/intel/common/mrc_cache.h
Alexandru Gagniuc 1116fa86e3 soc/intel/common/mrc_cache: Honor MRC data as a constant pointer
The MRC cache API has absolutely no reason to modify the data it is
asked to stash. Reflect that by taking all "data" parameters as
const void *.

Change-Id: I7a14ffd7d5726aa9aa5db81df82c06e7f87b9d9f
Signed-off-by: Alexandru Gagniuc <alexandrux.gagniuc@intel.com>
Reviewed-on: https://review.coreboot.org/14250
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Leroy P Leahy <leroy.p.leahy@intel.com>
2016-05-04 20:07:26 +02:00

41 lines
1.3 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 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; version 2 of the License.
*
* 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 _COMMON_MRC_CACHE_H_
#define _COMMON_MRC_CACHE_H_
#include <stddef.h>
#include <stdint.h>
/* Wrapper object to save MRC information. */
struct mrc_saved_data {
uint32_t signature;
uint32_t size;
uint32_t checksum;
uint32_t version;
uint8_t data[0];
} __attribute__((packed));
/* Locate the most recently saved MRC data. */
int mrc_cache_get_current(const struct mrc_saved_data **cache);
int mrc_cache_get_current_with_version(const struct mrc_saved_data **cache,
uint32_t version);
/* Stash the resulting MRC data to be saved in non-volatile storage later. */
int mrc_cache_stash_data(const void *data, size_t size);
int mrc_cache_stash_data_with_version(const void *data, size_t size,
uint32_t version);
#endif /* _COMMON_MRC_CACHE_H_ */