| Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Alexander Graf | 2b445e4 | 2016-08-19 01:23:22 +0200 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> |
| Alexander Graf | 2b445e4 | 2016-08-19 01:23:22 +0200 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #ifndef _TABLES_CSUM_H_ |
| 7 | #define _TABLES_CSUM_H_ |
| 8 | |
| Tom Rini | 2df59b2 | 2022-04-04 14:43:51 -0400 | [diff] [blame^] | 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 | */ |
| 20 | u8 table_compute_checksum(void *v, int len); |
| Alexander Graf | 2b445e4 | 2016-08-19 01:23:22 +0200 | [diff] [blame] | 21 | |
| 22 | #endif |