include/sys/dmu_redact.h

   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
  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
  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
  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
  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_ */