xref: /titanic_51/usr/src/lib/libshare/common/libshare_impl.h (revision 24db46411fd54f70c35b94bb952eb7ba040e43b4)
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 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * basic declarations for implementation of the share management
29  * libraries.
30  */
31 
32 #ifndef _LIBSHARE_IMPL_H
33 #define	_LIBSHARE_IMPL_H
34 
35 #pragma ident	"%Z%%M%	%I%	%E% SMI"
36 
37 #include <libshare.h>
38 #include <libscf.h>
39 #include <scfutil.h>
40 #include <libzfs.h>
41 
42 #ifdef	__cplusplus
43 extern "C" {
44 #endif
45 
46 /* directory to find plugin modules in */
47 #define	SA_LIB_DIR	"/usr/lib/fs"
48 
49 /* default group name for dfstab file */
50 #define	SA_DEFAULT_FILE_GRP	"sys"
51 
52 typedef void *sa_phandle_t;
53 
54 #define	SA_PLUGIN_VERSION	1
55 struct sa_plugin_ops {
56 	int	sa_version;
57 	char	*sa_protocol;			/* protocol name */
58 	int	(*sa_init)();
59 	void	(*sa_fini)();
60 	int	(*sa_share)(sa_share_t);	/* start sharing */
61 	int	(*sa_unshare)(char *);	/* stop sharing */
62 	int	(*sa_valid_prop)(sa_property_t, sa_optionset_t);
63 	int	(*sa_valid_space)(char *);	/* is name valid optionspace? */
64 	int	(*sa_security_prop)(char *);	/* property is security */
65 	int	(*sa_legacy_opts)(sa_group_t, char *); /* parse legacy opts */
66 	char   *(*sa_legacy_format)(sa_group_t, int);
67 	int	(*sa_set_proto_prop)(sa_property_t);
68 	sa_protocol_properties_t (*sa_get_proto_set)();
69 	char   *(*sa_get_proto_status)();
70 	char   *(*sa_space_alias)(char *);
71 	int	(*sa_update_legacy)(sa_share_t);
72 	int	(*sa_delete_legacy)(sa_share_t);
73 	int	(*sa_run_command)(int, int, char **); /* proto specific */
74 	int	(*sa_command_help)();
75 };
76 
77 struct sa_proto_handle {
78 	int			sa_num_proto;
79 	char			**sa_proto;
80 	struct sa_plugin_ops	**sa_ops;
81 };
82 
83 typedef struct propertylist {
84 	struct propertylist	*pl_next;
85 	int			pl_type;
86 	union propval {
87 	    sa_optionset_t	pl_optionset;
88 	    sa_security_t	pl_security;
89 	    void		*pl_void;
90 	}			pl_value;
91 } property_list_t;
92 
93 extern int sa_proto_share(char *, sa_share_t);
94 extern int sa_proto_unshare(char *, char *);
95 extern int sa_proto_valid_prop(char *, sa_property_t, sa_optionset_t);
96 extern int sa_proto_security_prop(char *, char *);
97 extern int sa_proto_legacy_opts(char *, sa_group_t, char *);
98 
99 /* internal utility functions */
100 extern sa_optionset_t sa_get_derived_optionset(sa_group_t, char *, int);
101 extern void sa_free_derived_optionset(sa_optionset_t);
102 extern sa_optionset_t sa_get_all_security_types(void *, char *, int);
103 extern sa_security_t sa_get_derived_security(void *, char *, char *, int);
104 extern void sa_free_derived_security(sa_security_t);
105 extern sa_protocol_properties_t sa_create_protocol_properties(char *);
106 extern int sa_start_transaction(scfutilhandle_t *, char *);
107 extern int sa_end_transaction(scfutilhandle_t *);
108 extern void sa_abort_transaction(scfutilhandle_t *);
109 extern int sa_commit_share(scfutilhandle_t *, sa_group_t, sa_share_t);
110 extern int sa_set_property(scfutilhandle_t *, char *, char *);
111 extern void sa_free_fstype(char *fstyp);
112 extern int sa_delete_share(scfutilhandle_t *, sa_group_t, sa_share_t);
113 extern int sa_delete_instance(scfutilhandle_t *, char *);
114 extern int sa_create_pgroup(scfutilhandle_t *, char *);
115 extern int sa_delete_pgroup(scfutilhandle_t *, char *);
116 
117 /* ZFS functions */
118 extern int sa_get_zfs_shares(sa_handle_t, char *);
119 extern int sa_zfs_update(sa_share_t);
120 
121 /* plugin specific functions */
122 extern int proto_plugin_init();
123 extern void proto_plugin_fini();
124 extern int sa_proto_set_property(char *, sa_property_t);
125 extern int sa_proto_delete_legacy(char *, sa_share_t);
126 extern int sa_proto_update_legacy(char *, sa_share_t);
127 
128 #define	PL_TYPE_PROPERTY	0
129 #define	PL_TYPE_SECURITY	1
130 
131 /* values only used by the internal dfstab/sharetab parser */
132 #define	SA_SHARE_PARSER		0x1000
133 
134 /* plugin handler only */
135 struct sa_proto_plugin {
136 	struct sa_proto_plugin	*plugin_next;
137 	struct sa_plugin_ops	*plugin_ops;
138 	void			*plugin_handle;
139 };
140 
141 /* internal version of sa_handle_t */
142 typedef struct sa_handle_impl {
143 	uint64_t	flags;
144 	scfutilhandle_t	*scfhandle;
145 	libzfs_handle_t *zfs_libhandle;
146 	zfs_handle_t	**zfs_list;
147 	size_t		zfs_list_count;
148 	xmlNodePtr	tree;
149 	xmlDocPtr	doc;
150 } *sa_handle_impl_t;
151 
152 #ifdef	__cplusplus
153 }
154 #endif
155 
156 #endif /* _LIBSHARE_IMPL_H */
157