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