xref: /illumos-gate/usr/src/lib/fm/topo/libtopo/common/libtopo.h (revision dd566498928f08e7c9a79797a40db893c6a4b9fb)
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 #ifndef _LIBTOPO_H
28 #define	_LIBTOPO_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/nvpair.h>
33 #include <stdio.h>
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
39 #define	TOPO_VERSION	1	/* Library ABI Interface Version */
40 
41 typedef struct topo_hdl topo_hdl_t;
42 typedef struct topo_node tnode_t;
43 typedef struct topo_walk topo_walk_t;
44 typedef int32_t topo_instance_t;
45 typedef uint32_t topo_version_t;
46 
47 /*
48  * Topo stability attributes
49  *
50  * Each topology node advertises the name and data stability of each of its
51  * modules and properties. (see attributes(5))
52  */
53 
54 typedef enum topo_stability {
55 	TOPO_STABILITY_UNKNOWN = 0,	/* private to libtopo */
56 	TOPO_STABILITY_INTERNAL,	/* private to libtopo */
57 	TOPO_STABILITY_PRIVATE,		/* private to Sun */
58 	TOPO_STABILITY_OBSOLETE,	/* scheduled for removal */
59 	TOPO_STABILITY_EXTERNAL,	/* not controlled by Sun */
60 	TOPO_STABILITY_UNSTABLE,	/* new or rapidly changing */
61 	TOPO_STABILITY_EVOLVING,	/* less rapidly changing */
62 	TOPO_STABILITY_STABLE,		/* mature interface from Sun */
63 	TOPO_STABILITY_STANDARD		/* industry standard */
64 } topo_stability_t;
65 
66 #define	TOPO_STABILITY_MAX	TOPO_STABILITY_STANDARD	/* max valid stab */
67 
68 typedef enum {
69 	TOPO_TYPE_INVALID = 0,
70 	TOPO_TYPE_BOOLEAN,	/* boolean */
71 	TOPO_TYPE_INT32,	/* int32_t */
72 	TOPO_TYPE_UINT32,	/* uint32_t */
73 	TOPO_TYPE_INT64,	/* int64_t */
74 	TOPO_TYPE_UINT64,	/* uint64_t */
75 	TOPO_TYPE_STRING,	/* const char* */
76 	TOPO_TYPE_TIME,		/* uint64_t */
77 	TOPO_TYPE_SIZE,		/* uint64_t */
78 	TOPO_TYPE_FMRI,		/* nvlist_t */
79 	TOPO_TYPE_INT32_ARRAY,	/* array of int32_t */
80 	TOPO_TYPE_UINT32_ARRAY,	/* array of uint32_t */
81 	TOPO_TYPE_INT64_ARRAY,	/* array of int64_t */
82 	TOPO_TYPE_UINT64_ARRAY,	/* array of uint64_t */
83 	TOPO_TYPE_STRING_ARRAY,	/* array of const char* */
84 	TOPO_TYPE_FMRI_ARRAY	/* array of nvlist_t */
85 } topo_type_t;
86 
87 typedef struct topo_pgroup_info {
88 	const char *tpi_name;		/* property group name */
89 	topo_stability_t tpi_namestab;	/* stability of group name */
90 	topo_stability_t tpi_datastab;	/* stability of all property values */
91 	topo_version_t tpi_version;	/* version of pgroup definition */
92 } topo_pgroup_info_t;
93 
94 extern topo_stability_t topo_name2stability(const char *);
95 extern const char *topo_stability2name(topo_stability_t);
96 
97 extern topo_hdl_t *topo_open(int, const char *, int *);
98 extern void topo_close(topo_hdl_t *);
99 extern char *topo_snap_hold(topo_hdl_t *, const char *, int *);
100 extern void topo_snap_release(topo_hdl_t *);
101 extern int topo_xml_print(topo_hdl_t *, FILE *, const char *scheme, int *);
102 
103 /*
104  * Snapshot walker support
105  */
106 typedef int (*topo_walk_cb_t)(topo_hdl_t *, tnode_t *, void *);
107 
108 extern topo_walk_t *topo_walk_init(topo_hdl_t *, const char *, topo_walk_cb_t,
109     void *, int *);
110 extern int topo_walk_step(topo_walk_t *, int);
111 extern void topo_walk_fini(topo_walk_t *);
112 
113 #define	TOPO_WALK_ERR		-1
114 #define	TOPO_WALK_NEXT		0
115 #define	TOPO_WALK_TERMINATE	1
116 
117 #define	TOPO_WALK_CHILD		0x0001
118 #define	TOPO_WALK_SIBLING	0x0002
119 
120 /*
121  * FMRI helper routines
122  */
123 extern int topo_fmri_present(topo_hdl_t *, nvlist_t *, int *);
124 extern int topo_fmri_contains(topo_hdl_t *, nvlist_t *, nvlist_t *, int *);
125 extern int topo_fmri_expand(topo_hdl_t *, nvlist_t *, int *);
126 extern int topo_fmri_unusable(topo_hdl_t *, nvlist_t *, int *);
127 extern int topo_fmri_nvl2str(topo_hdl_t *, nvlist_t *, char **, int *);
128 extern int topo_fmri_str2nvl(topo_hdl_t *, const char *, nvlist_t **, int *);
129 extern int topo_fmri_asru(topo_hdl_t *, nvlist_t *, nvlist_t **, int *);
130 extern int topo_fmri_fru(topo_hdl_t *, nvlist_t *, nvlist_t **,
131     int *);
132 extern int topo_fmri_label(topo_hdl_t *, nvlist_t *, char **, int *);
133 extern int topo_fmri_compare(topo_hdl_t *, nvlist_t *, nvlist_t *, int *);
134 extern int topo_fmri_invoke(topo_hdl_t *, nvlist_t *, topo_walk_cb_t, void *,
135     int *);
136 
137 /*
138  * Topo node utilities: callable from topo_walk_step() callback or module
139  * enumeration, topo_mod_enumerate()
140  */
141 extern char *topo_node_name(tnode_t *);
142 extern topo_instance_t topo_node_instance(tnode_t *);
143 extern void *topo_node_private(tnode_t *);
144 extern int topo_node_asru(tnode_t *, nvlist_t **, nvlist_t *, int *);
145 extern int topo_node_fru(tnode_t *, nvlist_t **, nvlist_t *, int *);
146 extern int topo_node_resource(tnode_t *, nvlist_t **, int *);
147 extern int topo_node_label(tnode_t *, char **, int *);
148 extern int topo_method_invoke(tnode_t *node, const char *, topo_version_t,
149     nvlist_t *, nvlist_t **, int *);
150 
151 extern int topo_pgroup_create(tnode_t *, const topo_pgroup_info_t *, int *);
152 extern void topo_pgroup_destroy(tnode_t *, const char *);
153 extern topo_pgroup_info_t *topo_pgroup_info(tnode_t *, const char *, int *);
154 extern int topo_prop_get_int32(tnode_t *, const char *, const char *,
155     int32_t *, int *);
156 extern int topo_prop_get_uint32(tnode_t *, const char *, const char *,
157     uint32_t *, int *);
158 extern int topo_prop_get_int64(tnode_t *, const char *, const char *,
159     int64_t *, int *);
160 extern int topo_prop_get_uint64(tnode_t *, const char *, const char *,
161     uint64_t *, int *);
162 extern int topo_prop_get_string(tnode_t *, const char *, const char *,
163     char **, int *);
164 extern int topo_prop_get_fmri(tnode_t *, const char *, const char *,
165     nvlist_t **, int *);
166 extern int topo_prop_get_int32_array(tnode_t *, const char *, const char *,
167     int32_t **, uint_t *, int *);
168 extern int topo_prop_get_uint32_array(tnode_t *, const char *, const char *,
169     uint32_t **, uint_t *, int *);
170 extern int topo_prop_get_int64_array(tnode_t *, const char *, const char *,
171     int64_t **, uint_t *, int *);
172 extern int topo_prop_get_uint64_array(tnode_t *, const char *, const char *,
173     uint64_t **, uint_t *, int *);
174 extern int topo_prop_get_string_array(tnode_t *, const char *, const char *,
175     char ***, uint_t *, int *);
176 extern int topo_prop_get_fmri_array(tnode_t *, const char *, const char *,
177     nvlist_t ***, uint_t *, int *);
178 extern int topo_prop_set_int32(tnode_t *, const char *, const char *, int,
179     int32_t, int *);
180 extern int topo_prop_set_uint32(tnode_t *, const char *, const char *, int,
181     uint32_t, int *);
182 extern int topo_prop_set_int64(tnode_t *, const char *, const char *,
183     int, int64_t, int *);
184 extern int topo_prop_set_uint64(tnode_t *, const char *, const char *,
185     int, uint64_t, int *);
186 extern int topo_prop_set_string(tnode_t *, const char *, const char *,
187     int, const char *, int *);
188 extern int topo_prop_set_fmri(tnode_t *, const char *, const char *,
189     int, const nvlist_t *, int *);
190 extern int topo_prop_set_int32_array(tnode_t *, const char *, const char *, int,
191     int32_t *, uint_t, int *);
192 extern int topo_prop_set_uint32_array(tnode_t *, const char *, const char *,
193     int, uint32_t *, uint_t, int *);
194 extern int topo_prop_set_int64_array(tnode_t *, const char *, const char *,
195     int, int64_t *, uint_t, int *);
196 extern int topo_prop_set_uint64_array(tnode_t *, const char *, const char *,
197     int, uint64_t *, uint_t, int *);
198 extern int topo_prop_set_string_array(tnode_t *, const char *, const char *,
199     int, const char **, uint_t, int *);
200 extern int topo_prop_set_fmri_array(tnode_t *, const char *, const char *,
201     int, const nvlist_t **, uint_t, int *);
202 extern nvlist_t *topo_prop_getprops(tnode_t *, int *err);
203 extern int topo_prop_inherit(tnode_t *, const char *, const char *, int *);
204 
205 #define	TOPO_PROP_IMMUTABLE	0
206 #define	TOPO_PROP_MUTABLE	1
207 
208 /* Protocol property group and property names */
209 #define	TOPO_PGROUP_PROTOCOL	"protocol"	/* Required property group */
210 #define	TOPO_PROP_RESOURCE	"resource"	/* resource FMRI */
211 #define	TOPO_PROP_ASRU		"ASRU"		/* ASRU FMRI */
212 #define	TOPO_PROP_FRU		"FRU"		/* FRU FMRI */
213 #define	TOPO_PROP_MOD		"module"	/* software module FMRI */
214 #define	TOPO_PROP_PKG		"package"	/* software package FMRI */
215 #define	TOPO_PROP_LABEL		"label"		/*  property LABEL */
216 
217 /*
218  * System property group
219  */
220 #define	TOPO_PGROUP_SYSTEM	"system"
221 #define	TOPO_PROP_ISA		"isa"
222 #define	TOPO_PROP_MACHINE	"machine"
223 
224 /* Property node NVL names used in topo_prop_getprops */
225 #define	TOPO_PROP_GROUP		"property-group"
226 #define	TOPO_PROP_GROUP_NAME	"property-group-name"
227 #define	TOPO_PROP_GROUP_DSTAB	"property-group-data-stability"
228 #define	TOPO_PROP_GROUP_NSTAB	"property-group-name-stability"
229 #define	TOPO_PROP_GROUP_VERSION	"property-group-version"
230 #define	TOPO_PROP_VAL		"property"
231 #define	TOPO_PROP_VAL_NAME	"property-name"
232 #define	TOPO_PROP_VAL_VAL	"property-value"
233 #define	TOPO_PROP_VAL_TYPE	"property-type"
234 
235 /*
236  * This enum definition is used to define a set of error tags associated with
237  * the libtopo various error conditions occuring during the adminstration of
238  * properties.  The shell script mkerror.sh is
239  * used to parse this file and create a corresponding topo_error.c source file.
240  * If you do something other than add a new error tag here, you may need to
241  * update the mkerror shell script as it is based upon simple regexps.
242  */
243 typedef enum topo_prop_errno {
244     ETOPO_PROP_UNKNOWN = 3000, /* unknown topo prop error */
245     ETOPO_PROP_NOENT,   /* undefined property or property group */
246     ETOPO_PROP_DEFD,    /* static property already defined */
247     ETOPO_PROP_NOMEM,   /* memory limit exceeded during property allocation */
248     ETOPO_PROP_TYPE,    /* invalid property type */
249     ETOPO_PROP_NOINHERIT, /* can not inherit property */
250     ETOPO_PROP_NVL,	/* malformed property nvlist */
251     ETOPO_PROP_END	/* end of prop errno list (to ease auto-merge) */
252 } topo_prop_errno_t;
253 
254 /*
255  * Similar to the above, this enum defines a set of errors associated with node
256  * methods.
257  */
258 typedef enum topo_method_errno {
259     ETOPO_METHOD_UNKNOWN = 4000, /* unknown topo method error */
260     ETOPO_METHOD_INVAL, /* invalid method registration */
261     ETOPO_METHOD_NOTSUP, /* method not supported */
262     ETOPO_METHOD_FAIL  /* method failed */
263 } topo_method_errno_t;
264 
265 
266 extern const char *topo_strerror(int);
267 extern void topo_debug_set(topo_hdl_t *, const char *, const char *);
268 extern void *topo_hdl_alloc(topo_hdl_t *, size_t);
269 extern void *topo_hdl_zalloc(topo_hdl_t *, size_t);
270 extern void topo_hdl_free(topo_hdl_t *, void *, size_t);
271 extern int topo_hdl_nvalloc(topo_hdl_t *, nvlist_t **, uint_t);
272 extern int topo_hdl_nvdup(topo_hdl_t *, nvlist_t *, nvlist_t **);
273 extern char *topo_hdl_strdup(topo_hdl_t *, const char *);
274 extern void topo_hdl_strfree(topo_hdl_t *, char *);
275 
276 #ifdef __cplusplus
277 }
278 #endif
279 
280 #endif /* _LIBTOPO_H */
281