| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _MRC_CACHE_H_ |
| #define _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 reserved; |
| uint8_t data[0]; |
| } __attribute__((packed)); |
| |
| /* Locate the most recently saved MRC data. */ |
| int mrc_cache_get_current(const struct mrc_saved_data **cache); |
| |
| /* Stash the resulting MRC data to be saved in non-volatile storage later. */ |
| int mrc_cache_stash_data(void *data, size_t size); |
| #endif /* _MRC_CACHE_H_ */ |
