include/tables_csum.h

   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  */
  20 u8 table_compute_checksum(void *v, int len);
  21
  22 #endif