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 /* 2353089ab7Seschrock * Copyright (c) 2012 by Delphix. All rights reserved. 24a6f561b4SSašo Kiselkov * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. 25*810e43b2SBill 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 4153089ab7Seschrock typedef struct zfeature_info { 4253089ab7Seschrock const char *fi_uname; /* User-facing feature name */ 4353089ab7Seschrock const char *fi_guid; /* On-disk feature identifier */ 4453089ab7Seschrock const char *fi_desc; /* Feature description */ 4553089ab7Seschrock boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */ 4653089ab7Seschrock boolean_t fi_mos; /* Is the feature necessary to read the MOS? */ 4753089ab7Seschrock struct zfeature_info **fi_depends; /* array; null terminated */ 4853089ab7Seschrock } zfeature_info_t; 4953089ab7Seschrock 5053089ab7Seschrock typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg); 5153089ab7Seschrock 5253089ab7Seschrock #define ZFS_FEATURE_DEBUG 5353089ab7Seschrock 5453089ab7Seschrock enum spa_feature { 5553089ab7Seschrock SPA_FEATURE_ASYNC_DESTROY, 56f1745736SMatthew Ahrens SPA_FEATURE_EMPTY_BPOBJ, 57a6f561b4SSašo Kiselkov SPA_FEATURE_LZ4_COMPRESS, 58*810e43b2SBill Pijewski SPA_FEATURE_MULTI_VDEV_CRASH_DUMP, 5953089ab7Seschrock SPA_FEATURES 6053089ab7Seschrock } spa_feature_t; 6153089ab7Seschrock 6253089ab7Seschrock extern zfeature_info_t spa_feature_table[SPA_FEATURES]; 6353089ab7Seschrock 6453089ab7Seschrock extern boolean_t zfeature_is_valid_guid(const char *); 6553089ab7Seschrock 6653089ab7Seschrock extern boolean_t zfeature_is_supported(const char *); 6753089ab7Seschrock extern int zfeature_lookup_guid(const char *, zfeature_info_t **res); 6853089ab7Seschrock extern int zfeature_lookup_name(const char *, zfeature_info_t **res); 6953089ab7Seschrock 7053089ab7Seschrock extern void zpool_feature_init(void); 7153089ab7Seschrock 7253089ab7Seschrock #ifdef __cplusplus 7353089ab7Seschrock } 7453089ab7Seschrock #endif 7553089ab7Seschrock 7653089ab7Seschrock #endif /* _ZFEATURE_COMMON_H */ 77