xref: /illumos-gate/usr/src/lib/libpicltree/picltree.h (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_PICLTREE_H
28 #define	_PICLTREE_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * PTree Interface
36  */
37 
38 #include <door.h>
39 
40 /*
41  * Plug-in directories
42  */
43 #define	PICLD_COMMON_PLUGIN_DIR	"/usr/lib/picl/plugins"
44 #define	PICLD_PLAT_PLUGIN_DIRF	"/usr/platform/%s/lib/picl/plugins/"
45 
46 typedef struct {
47 	picl_nodehdl_t	nodeh;
48 	picl_prophdl_t	proph;
49 	door_cred_t	cred;
50 } ptree_rarg_t;
51 
52 typedef struct {
53 	picl_nodehdl_t	nodeh;
54 	picl_prophdl_t	proph;
55 	door_cred_t	cred;
56 } ptree_warg_t;
57 /*
58  * Volatile type properties must specify their maximum size in 'size'
59  * of propinfo_t at the time of creation. That guarantees clients
60  * accessing those properties an upper limit on value size.
61  * The two property types that have to specify a maximum are:
62  *  PICL_PTYPE_BYTEARRAY, and PICL_PTYPE_CHARSTRING
63  */
64 #define	PTREE_PROPINFO_VERSION_1	1
65 #define	PTREE_PROPINFO_VERSION	PTREE_PROPINFO_VERSION_1
66 
67 typedef struct {
68 	int			version;
69 	picl_propinfo_t		piclinfo;	/* client info */
70 	int			(*read)(ptree_rarg_t *arg, void *buf);
71 	int			(*write)(ptree_warg_t *arg, const void *buf);
72 } ptree_propinfo_t;
73 
74 /*
75  * --------------------------------------------------
76  * Function prototypes of PTree Interface primitives
77  * --------------------------------------------------
78  */
79 /*
80  * create/destroy/add/delete a node/property instance
81  */
82 extern	int	ptree_get_root(picl_nodehdl_t *nodeh);
83 extern	int	ptree_create_node(const char *name, const char *clname,
84 			picl_nodehdl_t *nodeh);
85 extern	int	ptree_destroy_node(picl_nodehdl_t nodeh);
86 extern	int	ptree_add_node(picl_nodehdl_t parh, picl_nodehdl_t chdh);
87 extern	int	ptree_delete_node(picl_nodehdl_t nodeh);
88 
89 extern	int	ptree_create_prop(const ptree_propinfo_t *pi, const void *vbuf,
90 			picl_prophdl_t *proph);
91 extern	int	ptree_destroy_prop(picl_prophdl_t proph);
92 extern	int 	ptree_delete_prop(picl_prophdl_t proph);
93 extern	int	ptree_add_prop(picl_nodehdl_t nodeh, picl_prophdl_t proph);
94 extern	int	ptree_create_table(picl_prophdl_t *tbl_hdl);
95 extern	int	ptree_add_row_to_table(picl_prophdl_t tbl, int nprops,
96 			const picl_prophdl_t *props);
97 extern	int	ptree_update_propval_by_name(picl_nodehdl_t nodeh,
98 		const char *name, const void *vbuf, size_t sz);
99 extern	int	ptree_update_propval(picl_prophdl_t proph, const void *buf,
100 			size_t sz);
101 extern	int 	ptree_get_propval(picl_prophdl_t proph, void *buf,
102 			size_t sz);
103 extern	int 	ptree_get_propval_by_name(picl_nodehdl_t nodeh,
104 			const char *name, void *buf, size_t sz);
105 extern	int	ptree_get_propinfo(picl_prophdl_t proph, ptree_propinfo_t *pi);
106 extern	int	ptree_get_first_prop(picl_nodehdl_t nodeh,
107 			picl_prophdl_t *proph);
108 extern	int	ptree_get_next_prop(picl_prophdl_t thish,
109 			picl_prophdl_t *proph);
110 extern	int	ptree_get_prop_by_name(picl_nodehdl_t nodeh, const char *name,
111 			picl_prophdl_t *proph);
112 extern	int 	ptree_get_next_by_row(picl_prophdl_t proph,
113 			picl_prophdl_t *rowh);
114 extern	int	ptree_get_next_by_col(picl_prophdl_t proph,
115 			picl_prophdl_t *colh);
116 extern	int	ptree_init_propinfo(ptree_propinfo_t *infop, int version,
117 			int ptype, int pmode, size_t psize, char *pname,
118 			int (*readfn)(ptree_rarg_t *, void *),
119 			int (*writefn)(ptree_warg_t *, const void *));
120 extern	int	ptree_create_and_add_prop(picl_nodehdl_t nodeh,
121 			ptree_propinfo_t *infop, void *vbuf,
122 			picl_prophdl_t *proph);
123 extern	int	ptree_create_and_add_node(picl_nodehdl_t rooth,
124 			const char *name, const char *classname,
125 			picl_nodehdl_t *nodeh);
126 extern	int	ptree_get_node_by_path(const char *piclurl,
127 			picl_nodehdl_t *handle);
128 extern	int	ptree_walk_tree_by_class(picl_nodehdl_t rooth,
129 			const char *classname, void *c_args,
130 			int (*callback_fn)(picl_nodehdl_t hdl, void *args));
131 extern	int	ptree_find_node(picl_nodehdl_t rooth, char *pname,
132 			picl_prop_type_t ptype, void *pval, size_t valsize,
133 			picl_nodehdl_t *retnodeh);
134 extern	int	ptree_post_event(const char *ename, const void *earg,
135 			size_t size, void (*completion_handler)(char *ename,
136 			void *earg, size_t size));
137 extern	int	ptree_register_handler(const char *ename,
138 			void (*evt_handler)(const char *ename, const void *earg,
139 			size_t size, void *cookie), void *cookie);
140 extern	void	ptree_unregister_handler(const char *ename,
141 			void (*evt_handler)(const char *ename, const void *earg,
142 			size_t size, void *cookie), void *cookie);
143 extern	int	ptree_get_frutree_parent(picl_nodehdl_t nodeh,
144 			picl_nodehdl_t *retnodeh);
145 
146 /*
147  * PICL plug-in revision
148  */
149 #define	PICLD_PLUGIN_VERSION_1	1
150 #define	PICLD_PLUGIN_VERSION_2	2
151 
152 #define	PICLD_PLUGIN_VERSION	PICLD_PLUGIN_VERSION_1
153 
154 #define	PICLD_PLUGIN_NON_CRITICAL	0
155 #define	PICLD_PLUGIN_CRITICAL		1
156 
157 /*
158  * PICL plug-in registration interface
159  */
160 typedef struct {
161 	int	version;
162 	int	critical;
163 	char	*name;
164 	void	(*plugin_init)(void);
165 	void	(*plugin_fini)(void);
166 } picld_plugin_reg_t;
167 
168 extern	int	picld_plugin_register(picld_plugin_reg_t *regp);
169 
170 #ifdef	__cplusplus
171 }
172 #endif
173 
174 #endif	/* _PICLTREE_H */
175