xref: /freebsd/sys/contrib/openzfs/include/sys/dmu_redact.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or https://opensource.org/licenses/CDDL-1.0.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 2018 by Delphix. All rights reserved.
24  */
25 #ifndef _DMU_REDACT_H_
26 #define	_DMU_REDACT_H_
27 
28 #include <sys/spa.h>
29 #include <sys/dsl_bookmark.h>
30 
31 #define	REDACT_BLOCK_MAX_COUNT (1ULL << 48)
32 
33 static inline uint64_t
redact_block_get_size(redact_block_phys_t * rbp)34 redact_block_get_size(redact_block_phys_t *rbp)
35 {
36 	return (BF64_GET_SB((rbp)->rbp_size_count, 48, 16, SPA_MINBLOCKSHIFT,
37 	    0));
38 }
39 
40 static inline void
redact_block_set_size(redact_block_phys_t * rbp,uint64_t size)41 redact_block_set_size(redact_block_phys_t *rbp, uint64_t size)
42 {
43 	/* cppcheck-suppress syntaxError */
44 	BF64_SET_SB((rbp)->rbp_size_count, 48, 16, SPA_MINBLOCKSHIFT, 0, size);
45 }
46 
47 static inline uint64_t
redact_block_get_count(redact_block_phys_t * rbp)48 redact_block_get_count(redact_block_phys_t *rbp)
49 {
50 	return (BF64_GET_SB((rbp)->rbp_size_count, 0, 48, 0, 1));
51 }
52 
53 static inline void
redact_block_set_count(redact_block_phys_t * rbp,uint64_t count)54 redact_block_set_count(redact_block_phys_t *rbp, uint64_t count)
55 {
56 	/* cppcheck-suppress syntaxError */
57 	BF64_SET_SB((rbp)->rbp_size_count, 0, 48, 0, 1, count);
58 }
59 
60 int dmu_redact_snap(const char *, nvlist_t *, const char *);
61 #endif /* _DMU_REDACT_H_ */
62