81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#ifndef _ZFS_FLETCHER_H
|
|
#define _ZFS_FLETCHER_H
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/spa_checksum.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* fletcher checksum functions
|
|
*/
|
|
|
|
void fletcher_2_native(const void *, uint64_t, zio_cksum_t *);
|
|
void fletcher_2_byteswap(const void *, uint64_t, zio_cksum_t *);
|
|
void fletcher_4_native(const void *, uint64_t, zio_cksum_t *);
|
|
void fletcher_4_byteswap(const void *, uint64_t, zio_cksum_t *);
|
|
void fletcher_4_incremental_native(const void *, uint64_t,
|
|
zio_cksum_t *);
|
|
void fletcher_4_incremental_byteswap(const void *, uint64_t,
|
|
zio_cksum_t *);
|
|
int fletcher_4_impl_set(const char *selector);
|
|
void fletcher_4_init(void);
|
|
void fletcher_4_fini(void);
|
|
|
|
/*
|
|
* fletcher checksum struct
|
|
*/
|
|
typedef struct fletcher_4_func {
|
|
void (*init)(zio_cksum_t *);
|
|
void (*fini)(zio_cksum_t *);
|
|
void (*compute)(const void *, uint64_t, zio_cksum_t *);
|
|
void (*compute_byteswap)(const void *, uint64_t, zio_cksum_t *);
|
|
boolean_t (*valid)(void);
|
|
const char *name;
|
|
} fletcher_4_ops_t;
|
|
|
|
#if defined(HAVE_SSE2)
|
|
extern const fletcher_4_ops_t fletcher_4_sse2_ops;
|
|
#endif
|
|
|
|
#if defined(HAVE_SSE2) && defined(HAVE_SSSE3)
|
|
extern const fletcher_4_ops_t fletcher_4_ssse3_ops;
|
|
#endif
|
|
|
|
#if defined(HAVE_AVX) && defined(HAVE_AVX2)
|
|
extern const fletcher_4_ops_t fletcher_4_avx2_ops;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ZFS_FLETCHER_H */
|