xref: /freebsd/sys/contrib/openzfs/lib/libshare/libshare_impl.h (revision 13ec1e3155c7e9bf037b12af186351b7fa9b9450)
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 #ifndef _LIBSPL_LIBSHARE_IMPL_H
28 #define	_LIBSPL_LIBSHARE_IMPL_H
29 
30 typedef struct sa_share_fsinfo {
31 	char *shareopts;
32 } sa_share_fsinfo_t;
33 
34 typedef struct sa_share_impl {
35 	char *sa_mountpoint;
36 	char *sa_zfsname;
37 
38 	sa_share_fsinfo_t *sa_fsinfo; /* per-fstype information */
39 } *sa_share_impl_t;
40 
41 #define	FSINFO(impl_share, fstype) \
42 	(&(impl_share->sa_fsinfo[fstype->fsinfo_index]))
43 
44 typedef struct sa_share_ops {
45 	int (*enable_share)(sa_share_impl_t share);
46 	int (*disable_share)(sa_share_impl_t share);
47 	boolean_t (*is_shared)(sa_share_impl_t share);
48 	int (*validate_shareopts)(const char *shareopts);
49 	int (*update_shareopts)(sa_share_impl_t impl_share,
50 	    const char *shareopts);
51 	void (*clear_shareopts)(sa_share_impl_t impl_share);
52 	int (*commit_shares)(void);
53 } sa_share_ops_t;
54 
55 typedef struct sa_fstype {
56 	struct sa_fstype *next;
57 
58 	const char *name;
59 	const sa_share_ops_t *ops;
60 	int fsinfo_index;
61 } sa_fstype_t;
62 
63 sa_fstype_t *register_fstype(const char *name, const sa_share_ops_t *ops);
64 
65 #endif /* _LIBSPL_LIBSHARE_IMPL_H */
66