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 /* 230713e232SGeorge Wilson * Copyright (c) 2013 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. 2653089ab7Seschrock */ 2753089ab7Seschrock 2853089ab7Seschrock #ifndef _ZFEATURE_COMMON_H 2953089ab7Seschrock #define _ZFEATURE_COMMON_H 3053089ab7Seschrock 3153089ab7Seschrock #include <sys/fs/zfs.h> 3253089ab7Seschrock #include <sys/inttypes.h> 3353089ab7Seschrock #include <sys/types.h> 3453089ab7Seschrock 3553089ab7Seschrock #ifdef __cplusplus 3653089ab7Seschrock extern "C" { 3753089ab7Seschrock #endif 3853089ab7Seschrock 3953089ab7Seschrock struct zfeature_info; 4053089ab7Seschrock 412acef22dSMatthew Ahrens typedef enum spa_feature { 422acef22dSMatthew Ahrens SPA_FEATURE_NONE = -1, 432acef22dSMatthew Ahrens SPA_FEATURE_ASYNC_DESTROY, 442acef22dSMatthew Ahrens SPA_FEATURE_EMPTY_BPOBJ, 452acef22dSMatthew Ahrens SPA_FEATURE_LZ4_COMPRESS, 462acef22dSMatthew Ahrens SPA_FEATURE_MULTI_VDEV_CRASH_DUMP, 472acef22dSMatthew Ahrens SPA_FEATURE_SPACEMAP_HISTOGRAM, 4843466aaeSMax Grossman SPA_FEATURE_ENABLED_TXG, 4943466aaeSMax Grossman SPA_FEATURE_HOLE_BIRTH, 502acef22dSMatthew Ahrens SPA_FEATURE_EXTENSIBLE_DATASET, 515d7b4d43SMatthew Ahrens SPA_FEATURE_EMBEDDED_DATA, 5278f17100SMatthew Ahrens SPA_FEATURE_BOOKMARKS, 53a2afb611SJerry Jelinek SPA_FEATURE_FS_SS_LIMIT, 54*b5152584SMatthew Ahrens SPA_FEATURE_LARGE_BLOCKS, 552acef22dSMatthew Ahrens SPA_FEATURES 562acef22dSMatthew Ahrens } spa_feature_t; 572acef22dSMatthew Ahrens 5843466aaeSMax Grossman #define SPA_FEATURE_DISABLED (-1ULL) 5943466aaeSMax Grossman 6053089ab7Seschrock typedef struct zfeature_info { 612acef22dSMatthew Ahrens spa_feature_t fi_feature; 6253089ab7Seschrock const char *fi_uname; /* User-facing feature name */ 6353089ab7Seschrock const char *fi_guid; /* On-disk feature identifier */ 6453089ab7Seschrock const char *fi_desc; /* Feature description */ 6553089ab7Seschrock boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */ 6653089ab7Seschrock boolean_t fi_mos; /* Is the feature necessary to read the MOS? */ 6743466aaeSMax Grossman /* Activate this feature at the same time it is enabled */ 6843466aaeSMax Grossman boolean_t fi_activate_on_enable; 692acef22dSMatthew Ahrens /* array of dependencies, terminated by SPA_FEATURE_NONE */ 702acef22dSMatthew Ahrens const spa_feature_t *fi_depends; 7153089ab7Seschrock } zfeature_info_t; 7253089ab7Seschrock 735d7b4d43SMatthew Ahrens typedef int (zfeature_func_t)(zfeature_info_t *, void *); 7453089ab7Seschrock 7553089ab7Seschrock #define ZFS_FEATURE_DEBUG 7653089ab7Seschrock 7753089ab7Seschrock extern zfeature_info_t spa_feature_table[SPA_FEATURES]; 7853089ab7Seschrock 7953089ab7Seschrock extern boolean_t zfeature_is_valid_guid(const char *); 8053089ab7Seschrock 8153089ab7Seschrock extern boolean_t zfeature_is_supported(const char *); 825d7b4d43SMatthew Ahrens extern int zfeature_lookup_name(const char *, spa_feature_t *); 835d7b4d43SMatthew Ahrens extern boolean_t zfeature_depends_on(spa_feature_t, spa_feature_t); 8453089ab7Seschrock 8553089ab7Seschrock extern void zpool_feature_init(void); 8653089ab7Seschrock 8753089ab7Seschrock #ifdef __cplusplus 8853089ab7Seschrock } 8953089ab7Seschrock #endif 9053089ab7Seschrock 9153089ab7Seschrock #endif /* _ZFEATURE_COMMON_H */ 92