32 lines
979 B
C
32 lines
979 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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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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#include <commonlib/region.h>
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enum {
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MRC_TRAINING_DATA,
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MRC_VARIABLE_DATA,
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};
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/*
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* It's up to the caller to decide when to retrieve and stash data. There is
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* differentiation on recovery mode CONFIG_HAS_RECOVERY_MRC_CACHE, but that's
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* only for locating where to retrieve and save the data. If a platform doesn't
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* want to update the data then it shouldn't stash the data for saving.
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* Similarly, if the platform doesn't need the data for booting because of a
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* policy don't request the data.
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*/
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/* Get and stash data for saving provided the type passed in. The functions
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* return < 0 on error, 0 on success. */
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int mrc_cache_get_current(int type, uint32_t version,
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struct region_device *rdev);
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int mrc_cache_stash_data(int type, uint32_t version, const void *data,
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size_t size);
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#endif /* _COMMON_MRC_CACHE_H_ */
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