xref: /freebsd/sys/contrib/openzfs/lib/libshare/libshare_impl.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
1 /*
2  * CDDL HEADER START
3  *
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.
7  *
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.
12  *
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]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright (c) 2011 Gunnar Beutner
25  * Copyright (c) 2019, 2020 by Delphix. All rights reserved.
26  */
27 
28 typedef struct sa_share_fsinfo {
29 	char *shareopts;
30 } sa_share_fsinfo_t;
31 
32 typedef struct sa_share_impl {
33 	char *sa_mountpoint;
34 	char *sa_zfsname;
35 
36 	sa_share_fsinfo_t *sa_fsinfo; /* per-fstype information */
37 } *sa_share_impl_t;
38 
39 #define	FSINFO(impl_share, fstype) \
40 	(&(impl_share->sa_fsinfo[fstype->fsinfo_index]))
41 
42 typedef struct sa_share_ops {
43 	int (*enable_share)(sa_share_impl_t share);
44 	int (*disable_share)(sa_share_impl_t share);
45 	boolean_t (*is_shared)(sa_share_impl_t share);
46 	int (*validate_shareopts)(const char *shareopts);
47 	int (*update_shareopts)(sa_share_impl_t impl_share,
48 	    const char *shareopts);
49 	void (*clear_shareopts)(sa_share_impl_t impl_share);
50 	int (*commit_shares)(void);
51 } sa_share_ops_t;
52 
53 typedef struct sa_fstype {
54 	struct sa_fstype *next;
55 
56 	const char *name;
57 	const sa_share_ops_t *ops;
58 	int fsinfo_index;
59 } sa_fstype_t;
60 
61 sa_fstype_t *register_fstype(const char *name, const sa_share_ops_t *ops);
62