1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> 4 */ 5 6#ifndef _TABLES_CSUM_H_ 7#define _TABLES_CSUM_H_ 8 9/** 10 * table_compute_checksum() - Compute a table checksum 11 * 12 * This computes an 8-bit checksum for the configuration table. 13 * All bytes in the configuration table, including checksum itself and 14 * reserved bytes must add up to zero. 15 * 16 * @v: configuration table base address 17 * @len: configuration table size 18 * @return: the 8-bit checksum 19 */ 20u8 table_compute_checksum(const void *v, const int len); 21 22#endif 23