4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2012 by Delphix. All rights reserved.
26 #ifndef _ZFEATURE_COMMON_H
27 #define _ZFEATURE_COMMON_H
29 #include <sys/fs/zfs.h>
30 #include <sys/inttypes.h>
31 #include <sys/types.h>
39 typedef struct zfeature_info
{
40 const char *fi_uname
; /* User-facing feature name */
41 const char *fi_guid
; /* On-disk feature identifier */
42 const char *fi_desc
; /* Feature description */
43 boolean_t fi_can_readonly
; /* Can open pool readonly w/o support? */
44 boolean_t fi_mos
; /* Is the feature necessary to read the MOS? */
45 struct zfeature_info
**fi_depends
; /* array; null terminated */
48 typedef int (zfeature_func_t
)(zfeature_info_t
*fi
, void *arg
);
50 #define ZFS_FEATURE_DEBUG
52 typedef enum spa_feature
{
53 SPA_FEATURE_ASYNC_DESTROY
,
57 extern zfeature_info_t spa_feature_table
[SPA_FEATURES
];
59 extern boolean_t
zfeature_is_valid_guid(const char *);
61 extern boolean_t
zfeature_is_supported(const char *);
62 extern int zfeature_lookup_guid(const char *, zfeature_info_t
**res
);
63 extern int zfeature_lookup_name(const char *, zfeature_info_t
**res
);
65 extern void zpool_feature_init(void);
71 #endif /* _ZFEATURE_COMMON_H */