/* SPDX-License-Identifier: GPL-2.0+ */

  /*
   *  GRUB  --  GRand Unified Bootloader
   *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.

   */
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_ZIO_CHECKSUM_H
  #define	_SYS_ZIO_CHECKSUM_H
  
  /*
   * Signature for checksum functions.
   */
  typedef void zio_checksum_t(const void *data, uint64_t size,
  			    zfs_endian_t endian, zio_cksum_t *zcp);
  
  /*
   * Information about each checksum function.
   */
  typedef struct zio_checksum_info {
  	zio_checksum_t	*ci_func; /* checksum function for each byteorder */
  	int		ci_correctable;	/* number of correctable bits	*/
  	int		ci_eck;		/* uses zio embedded checksum? */
  	char		*ci_name;	/* descriptive name */
  } zio_checksum_info_t;
  
  extern void zio_checksum_SHA256(const void *, uint64_t,
  				 zfs_endian_t endian, zio_cksum_t *);
  extern void fletcher_2_endian(const void *, uint64_t, zfs_endian_t endian,
  			zio_cksum_t *);
  extern void fletcher_4_endian(const void *, uint64_t, zfs_endian_t endian,
  			zio_cksum_t *);
  
  #endif	/* _SYS_ZIO_CHECKSUM_H */