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. 2453089ab7Seschrock */ 2553089ab7Seschrock 2653089ab7Seschrock #ifndef _SYS_ZFEATURE_H 2753089ab7Seschrock #define _SYS_ZFEATURE_H 2853089ab7Seschrock 2953089ab7Seschrock #include <sys/nvpair.h> 302acef22dSMatthew Ahrens #include <sys/txg.h> 3153089ab7Seschrock #include "zfeature_common.h" 3253089ab7Seschrock 3353089ab7Seschrock #ifdef __cplusplus 3453089ab7Seschrock extern "C" { 3553089ab7Seschrock #endif 3653089ab7Seschrock 37*43466aaeSMax Grossman #define VALID_FEATURE_FID(fid) ((fid) >= 0 && (fid) < SPA_FEATURES) 38*43466aaeSMax Grossman #define VALID_FEATURE_OR_NONE(fid) ((fid) == SPA_FEATURE_NONE || \ 39*43466aaeSMax Grossman VALID_FEATURE_FID(fid)) 40*43466aaeSMax Grossman 413b2aab18SMatthew Ahrens struct spa; 423b2aab18SMatthew Ahrens struct dmu_tx; 433b2aab18SMatthew Ahrens struct objset; 443b2aab18SMatthew Ahrens 453b2aab18SMatthew Ahrens extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *); 462acef22dSMatthew Ahrens extern void spa_feature_enable(struct spa *, spa_feature_t, 472acef22dSMatthew Ahrens struct dmu_tx *); 482acef22dSMatthew Ahrens extern void spa_feature_incr(struct spa *, spa_feature_t, struct dmu_tx *); 492acef22dSMatthew Ahrens extern void spa_feature_decr(struct spa *, spa_feature_t, struct dmu_tx *); 502acef22dSMatthew Ahrens extern boolean_t spa_feature_is_enabled(struct spa *, spa_feature_t); 512acef22dSMatthew Ahrens extern boolean_t spa_feature_is_active(struct spa *, spa_feature_t); 52*43466aaeSMax Grossman extern boolean_t spa_feature_enabled_txg(spa_t *spa, spa_feature_t fid, 53*43466aaeSMax Grossman uint64_t *txg); 542acef22dSMatthew Ahrens extern uint64_t spa_feature_refcount(spa_t *, spa_feature_t, uint64_t); 552acef22dSMatthew Ahrens extern boolean_t spa_features_check(spa_t *, boolean_t, nvlist_t *, nvlist_t *); 562acef22dSMatthew Ahrens 572acef22dSMatthew Ahrens /* 582acef22dSMatthew Ahrens * These functions are only exported for zhack and zdb; normal callers should 592acef22dSMatthew Ahrens * use the above interfaces. 602acef22dSMatthew Ahrens */ 612acef22dSMatthew Ahrens extern int feature_get_refcount(struct spa *, zfeature_info_t *, uint64_t *); 62*43466aaeSMax Grossman extern int feature_get_refcount_from_disk(spa_t *spa, zfeature_info_t *feature, 63*43466aaeSMax Grossman uint64_t *res); 642acef22dSMatthew Ahrens extern void feature_enable_sync(struct spa *, zfeature_info_t *, 652acef22dSMatthew Ahrens struct dmu_tx *); 662acef22dSMatthew Ahrens extern void feature_sync(struct spa *, zfeature_info_t *, uint64_t, 673b2aab18SMatthew Ahrens struct dmu_tx *); 6853089ab7Seschrock 6953089ab7Seschrock #ifdef __cplusplus 7053089ab7Seschrock } 7153089ab7Seschrock #endif 7253089ab7Seschrock 7353089ab7Seschrock #endif /* _SYS_ZFEATURE_H */ 74