/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2012 by Delphix. All rights reserved. * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. */ #ifndef _ZFEATURE_COMMON_H #define _ZFEATURE_COMMON_H #include #include #include #ifdef __cplusplus extern "C" { #endif struct zfeature_info; typedef struct zfeature_info { const char *fi_uname; /* User-facing feature name */ const char *fi_guid; /* On-disk feature identifier */ const char *fi_desc; /* Feature description */ boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */ boolean_t fi_mos; /* Is the feature necessary to read the MOS? */ struct zfeature_info **fi_depends; /* array; null terminated */ } zfeature_info_t; typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg); #define ZFS_FEATURE_DEBUG enum spa_feature { SPA_FEATURE_ASYNC_DESTROY, SPA_FEATURE_EMPTY_BPOBJ, SPA_FEATURE_LZ4_COMPRESS, SPA_FEATURES } spa_feature_t; extern zfeature_info_t spa_feature_table[SPA_FEATURES]; extern boolean_t zfeature_is_valid_guid(const char *); extern boolean_t zfeature_is_supported(const char *); extern int zfeature_lookup_guid(const char *, zfeature_info_t **res); extern int zfeature_lookup_name(const char *, zfeature_info_t **res); extern void zpool_feature_init(void); #ifdef __cplusplus } #endif #endif /* _ZFEATURE_COMMON_H */