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4185 New hash algorithm support
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--- old/usr/src/uts/common/fs/zfs/sys/zio_checksum.h
+++ new/usr/src/uts/common/fs/zfs/sys/zio_checksum.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
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13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 + * Copyright Saso Kiselkov 2013, All rights reserved.
23 24 */
24 25
25 26 #ifndef _SYS_ZIO_CHECKSUM_H
26 27 #define _SYS_ZIO_CHECKSUM_H
27 28
28 29 #include <sys/zio.h>
29 30
30 31 #ifdef __cplusplus
31 32 extern "C" {
32 33 #endif
33 34
34 35 /*
35 36 * Signature for checksum functions.
36 37 */
37 -typedef void zio_checksum_t(const void *data, uint64_t size, zio_cksum_t *zcp);
38 +typedef void zio_checksum_t(const void *data, uint64_t size,
39 + const zio_cksum_salt_t *salt, const void *ctx_template, zio_cksum_t *zcp);
40 +typedef void *zio_checksum_tmpl_init_t(const zio_cksum_salt_t *salt);
41 +typedef void zio_checksum_tmpl_free_t(void *ctx_template);
38 42
39 43 /*
40 44 * Information about each checksum function.
41 45 */
42 46 typedef struct zio_checksum_info {
43 - zio_checksum_t *ci_func[2]; /* checksum function for each byteorder */
44 - int ci_correctable; /* number of correctable bits */
47 + /* checksum function for each byteorder */
48 + zio_checksum_t *ci_func[2];
49 + zio_checksum_tmpl_init_t *ci_tmpl_init;
50 + zio_checksum_tmpl_free_t *ci_tmpl_free;
51 + int ci_correctable; /* number of correctable bits */
45 52 int ci_eck; /* uses zio embedded checksum? */
46 53 int ci_dedup; /* strong enough for dedup? */
54 + int ci_salted; /* does the checksum support salts */
47 55 char *ci_name; /* descriptive name */
48 56 } zio_checksum_info_t;
49 57
50 58 typedef struct zio_bad_cksum {
51 59 zio_cksum_t zbc_expected;
52 60 zio_cksum_t zbc_actual;
53 61 const char *zbc_checksum_name;
54 62 uint8_t zbc_byteswapped;
55 63 uint8_t zbc_injected;
56 64 uint8_t zbc_has_cksum; /* expected/actual valid */
57 65 } zio_bad_cksum_t;
58 66
59 67 extern zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS];
60 68
61 69 /*
62 70 * Checksum routines.
63 71 */
64 72 extern zio_checksum_t zio_checksum_SHA256;
73 +extern zio_checksum_t zio_checksum_SHA512_native;
74 +extern zio_checksum_t zio_checksum_SHA512_byteswap;
65 75
76 +/* Skein */
77 +extern zio_checksum_t zio_checksum_skein_native;
78 +extern zio_checksum_t zio_checksum_skein_byteswap;
79 +extern zio_checksum_tmpl_init_t zio_checksum_skein_tmpl_init;
80 +extern zio_checksum_tmpl_free_t zio_checksum_skein_tmpl_free;
81 +
82 +/* Edon-R */
83 +extern zio_checksum_t zio_checksum_edonr_native;
84 +extern zio_checksum_t zio_checksum_edonr_byteswap;
85 +extern zio_checksum_tmpl_init_t zio_checksum_edonr_tmpl_init;
86 +extern zio_checksum_tmpl_free_t zio_checksum_edonr_tmpl_free;
87 +
66 88 extern void zio_checksum_compute(zio_t *zio, enum zio_checksum checksum,
67 89 void *data, uint64_t size);
68 90 extern int zio_checksum_error(zio_t *zio, zio_bad_cksum_t *out);
69 91 extern enum zio_checksum spa_dedup_checksum(spa_t *spa);
92 +extern void zio_checksum_templates_free(spa_t *spa);
70 93
71 94 #ifdef __cplusplus
72 95 }
73 96 #endif
74 97
75 98 #endif /* _SYS_ZIO_CHECKSUM_H */
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