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