153089ab7Seschrock /* 253089ab7Seschrock * CDDL HEADER START 353089ab7Seschrock * 453089ab7Seschrock * The contents of this file are subject to the terms of the 553089ab7Seschrock * Common Development and Distribution License (the "License"). 653089ab7Seschrock * You may not use this file except in compliance with the License. 753089ab7Seschrock * 853089ab7Seschrock * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 953089ab7Seschrock * or http://www.opensolaris.org/os/licensing. 1053089ab7Seschrock * See the License for the specific language governing permissions 1153089ab7Seschrock * and limitations under the License. 1253089ab7Seschrock * 1353089ab7Seschrock * When distributing Covered Code, include this CDDL HEADER in each 1453089ab7Seschrock * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 1553089ab7Seschrock * If applicable, add the following below this CDDL HEADER, with the 1653089ab7Seschrock * fields enclosed by brackets "[]" replaced with your own identifying 1753089ab7Seschrock * information: Portions Copyright [yyyy] [name of copyright owner] 1853089ab7Seschrock * 1953089ab7Seschrock * CDDL HEADER END 2053089ab7Seschrock */ 2153089ab7Seschrock 2253089ab7Seschrock /* 23*86714001SSerapheim Dimitropoulos * Copyright (c) 2011, 2017 by Delphix. All rights reserved. 24a6f561b4SSašo Kiselkov * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. 25810e43b2SBill Pijewski * Copyright (c) 2013, Joyent, Inc. All rights reserved. 26c3d26abcSMatthew Ahrens * Copyright (c) 2014 Integros [integros.com] 2753089ab7Seschrock */ 2853089ab7Seschrock 2953089ab7Seschrock #ifndef _ZFEATURE_COMMON_H 3053089ab7Seschrock #define _ZFEATURE_COMMON_H 3153089ab7Seschrock 3253089ab7Seschrock #include <sys/fs/zfs.h> 3353089ab7Seschrock #include <sys/inttypes.h> 3453089ab7Seschrock #include <sys/types.h> 3553089ab7Seschrock 3653089ab7Seschrock #ifdef __cplusplus 3753089ab7Seschrock extern "C" { 3853089ab7Seschrock #endif 3953089ab7Seschrock 4053089ab7Seschrock struct zfeature_info; 4153089ab7Seschrock 422acef22dSMatthew Ahrens typedef enum spa_feature { 432acef22dSMatthew Ahrens SPA_FEATURE_NONE = -1, 442acef22dSMatthew Ahrens SPA_FEATURE_ASYNC_DESTROY, 452acef22dSMatthew Ahrens SPA_FEATURE_EMPTY_BPOBJ, 462acef22dSMatthew Ahrens SPA_FEATURE_LZ4_COMPRESS, 472acef22dSMatthew Ahrens SPA_FEATURE_MULTI_VDEV_CRASH_DUMP, 482acef22dSMatthew Ahrens SPA_FEATURE_SPACEMAP_HISTOGRAM, 4943466aaeSMax Grossman SPA_FEATURE_ENABLED_TXG, 5043466aaeSMax Grossman SPA_FEATURE_HOLE_BIRTH, 512acef22dSMatthew Ahrens SPA_FEATURE_EXTENSIBLE_DATASET, 525d7b4d43SMatthew Ahrens SPA_FEATURE_EMBEDDED_DATA, 5378f17100SMatthew Ahrens SPA_FEATURE_BOOKMARKS, 54a2afb611SJerry Jelinek SPA_FEATURE_FS_SS_LIMIT, 55b5152584SMatthew Ahrens SPA_FEATURE_LARGE_BLOCKS, 5645818ee1SMatthew Ahrens SPA_FEATURE_SHA512, 5745818ee1SMatthew Ahrens SPA_FEATURE_SKEIN, 5845818ee1SMatthew Ahrens SPA_FEATURE_EDONR, 595cabbc6bSPrashanth Sreenivasa SPA_FEATURE_DEVICE_REMOVAL, 605cabbc6bSPrashanth Sreenivasa SPA_FEATURE_OBSOLETE_COUNTS, 61*86714001SSerapheim Dimitropoulos SPA_FEATURE_POOL_CHECKPOINT, 622acef22dSMatthew Ahrens SPA_FEATURES 632acef22dSMatthew Ahrens } spa_feature_t; 642acef22dSMatthew Ahrens 6543466aaeSMax Grossman #define SPA_FEATURE_DISABLED (-1ULL) 6643466aaeSMax Grossman 67ca0cc391SMatthew Ahrens typedef enum zfeature_flags { 68ca0cc391SMatthew Ahrens /* Can open pool readonly even if this feature is not supported. */ 69ca0cc391SMatthew Ahrens ZFEATURE_FLAG_READONLY_COMPAT = (1 << 0), 70ca0cc391SMatthew Ahrens /* Is this feature necessary to read the MOS? */ 71ca0cc391SMatthew Ahrens ZFEATURE_FLAG_MOS = (1 << 1), 72ca0cc391SMatthew Ahrens /* Activate this feature at the same time it is enabled. */ 73ca0cc391SMatthew Ahrens ZFEATURE_FLAG_ACTIVATE_ON_ENABLE = (1 << 2), 74ca0cc391SMatthew Ahrens /* Each dataset has a field set if it has ever used this feature. */ 75ca0cc391SMatthew Ahrens ZFEATURE_FLAG_PER_DATASET = (1 << 3) 76ca0cc391SMatthew Ahrens } zfeature_flags_t; 77ca0cc391SMatthew Ahrens 7853089ab7Seschrock typedef struct zfeature_info { 792acef22dSMatthew Ahrens spa_feature_t fi_feature; 8053089ab7Seschrock const char *fi_uname; /* User-facing feature name */ 8153089ab7Seschrock const char *fi_guid; /* On-disk feature identifier */ 8253089ab7Seschrock const char *fi_desc; /* Feature description */ 83ca0cc391SMatthew Ahrens zfeature_flags_t fi_flags; 842acef22dSMatthew Ahrens /* array of dependencies, terminated by SPA_FEATURE_NONE */ 852acef22dSMatthew Ahrens const spa_feature_t *fi_depends; 8653089ab7Seschrock } zfeature_info_t; 8753089ab7Seschrock 885d7b4d43SMatthew Ahrens typedef int (zfeature_func_t)(zfeature_info_t *, void *); 8953089ab7Seschrock 9053089ab7Seschrock #define ZFS_FEATURE_DEBUG 9153089ab7Seschrock 9253089ab7Seschrock extern zfeature_info_t spa_feature_table[SPA_FEATURES]; 9353089ab7Seschrock 9453089ab7Seschrock extern boolean_t zfeature_is_valid_guid(const char *); 9553089ab7Seschrock 9653089ab7Seschrock extern boolean_t zfeature_is_supported(const char *); 975d7b4d43SMatthew Ahrens extern int zfeature_lookup_name(const char *, spa_feature_t *); 985d7b4d43SMatthew Ahrens extern boolean_t zfeature_depends_on(spa_feature_t, spa_feature_t); 9953089ab7Seschrock 10053089ab7Seschrock extern void zpool_feature_init(void); 10153089ab7Seschrock 10253089ab7Seschrock #ifdef __cplusplus 10353089ab7Seschrock } 10453089ab7Seschrock #endif 10553089ab7Seschrock 10653089ab7Seschrock #endif /* _ZFEATURE_COMMON_H */ 107