1116fa86e3
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>
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2014 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _COMMON_MRC_CACHE_H_
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#define _COMMON_MRC_CACHE_H_
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#include <stddef.h>
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#include <stdint.h>
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/* Wrapper object to save MRC information. */
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struct mrc_saved_data {
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uint32_t signature;
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uint32_t size;
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uint32_t checksum;
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uint32_t version;
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uint8_t data[0];
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} __attribute__((packed));
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/* Locate the most recently saved MRC data. */
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int mrc_cache_get_current(const struct mrc_saved_data **cache);
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int mrc_cache_get_current_with_version(const struct mrc_saved_data **cache,
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uint32_t version);
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/* Stash the resulting MRC data to be saved in non-volatile storage later. */
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int mrc_cache_stash_data(const void *data, size_t size);
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int mrc_cache_stash_data_with_version(const void *data, size_t size,
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uint32_t version);
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#endif /* _COMMON_MRC_CACHE_H_ */
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