diff options
Diffstat (limited to 'include/tables_csum.h')
-rw-r--r-- | include/tables_csum.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/tables_csum.h b/include/tables_csum.h new file mode 100644 index 00000000000..9207e85f91b --- /dev/null +++ b/include/tables_csum.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + */ + +#ifndef _TABLES_CSUM_H_ +#define _TABLES_CSUM_H_ + +/** + * table_compute_checksum() - Compute a table checksum + * + * This computes an 8-bit checksum for the configuration table. + * All bytes in the configuration table, including checksum itself and + * reserved bytes must add up to zero. + * + * @v: configuration table base address + * @len: configuration table size + * @return: the 8-bit checksum + */ +u8 table_compute_checksum(const void *v, const int len); + +#endif |