xref: /illumos-gate/usr/src/lib/fm/topo/libtopo/common/topo_parse.c (revision 9dd828891378a0a6a509ab601b4c5c20ca5562ec)
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 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <libxml/parser.h>
30 #include <fm/libtopo.h>
31 #include <topo_alloc.h>
32 #include <topo_error.h>
33 #include <topo_parse.h>
34 
35 extern const char * const Name;
36 const char * const Min = "min";
37 const char * const Max = "max";
38 
39 
40 tf_info_t *
41 tf_info_new(topo_mod_t *mp, const char *fn, xmlDocPtr doc, xmlChar *scheme)
42 {
43 	tf_info_t *r;
44 
45 	if ((r = topo_mod_zalloc(mp, sizeof (tf_info_t))) == NULL)
46 		return (NULL);
47 	r->tf_flags = TF_LIVE;
48 	if ((r->tf_fn = topo_mod_strdup(mp, fn)) == NULL) {
49 		tf_info_free(mp, r);
50 		return (NULL);
51 	}
52 	if ((r->tf_scheme = topo_mod_strdup(mp, (char *)scheme)) == NULL) {
53 		tf_info_free(mp, r);
54 		return (NULL);
55 	}
56 	r->tf_xdoc = doc;
57 	return (r);
58 }
59 
60 void
61 tf_info_free(topo_mod_t *mp, tf_info_t *p)
62 {
63 	if (p->tf_xdoc != NULL)
64 		xmlFreeDoc(p->tf_xdoc);
65 	if (p->tf_fn != NULL)
66 		topo_mod_strfree(mp, p->tf_fn);
67 	if (p->tf_scheme != NULL)
68 		topo_mod_strfree(mp, p->tf_scheme);
69 	tf_rdata_free(mp, p->tf_rd);
70 	topo_mod_free(mp, p, sizeof (tf_info_t));
71 }
72 
73 tf_rdata_t *
74 tf_rdata_new(topo_mod_t *mp, tf_info_t *xinfo, xmlNodePtr n, tnode_t *troot)
75 {
76 	tf_rdata_t *r;
77 	uint64_t ui;
78 	xmlChar *name = NULL;
79 
80 	topo_mod_dprintf(mp, "new rdata\n");
81 	if ((r = topo_mod_zalloc(mp, sizeof (tf_rdata_t))) == NULL) {
82 		(void) topo_mod_seterrno(mp, ETOPO_NOMEM);
83 		return (NULL);
84 	}
85 	r->rd_pn = troot;
86 	if ((name = xmlGetProp(n, (xmlChar *)Name)) == NULL) {
87 		(void) topo_mod_seterrno(mp, ETOPO_PRSR_NOATTR);
88 		goto rdata_nogood;
89 	}
90 	if ((r->rd_name = topo_mod_strdup(mp, (char *)name)) == NULL) {
91 		(void) topo_mod_seterrno(mp, ETOPO_NOMEM);
92 		goto rdata_nogood;
93 	}
94 	if (xmlattr_to_int(mp, n, Min, &ui) < 0)
95 		goto rdata_nogood;
96 	r->rd_min = (int)ui;
97 	if (xmlattr_to_int(mp, n, Max, &ui) < 0)
98 		goto rdata_nogood;
99 	r->rd_max = (int)ui;
100 	if (r->rd_min < 0 || r->rd_max < 0 || r->rd_max < r->rd_min) {
101 		(void) topo_mod_seterrno(mp, ETOPO_PRSR_BADRNG);
102 		goto rdata_nogood;
103 	}
104 	r->rd_finfo = xinfo;
105 	r->rd_mod = mp;
106 
107 	if (topo_xml_range_process(mp, n, r) < 0)
108 		goto rdata_nogood;
109 
110 	xmlFree(name);
111 	return (r);
112 
113 rdata_nogood:
114 	if (name != NULL)
115 		xmlFree(name);
116 	tf_rdata_free(mp, r);
117 	return (NULL);
118 }
119 
120 void
121 tf_rdata_free(topo_mod_t *mp, tf_rdata_t *p)
122 {
123 	if (p == NULL)
124 		return;
125 	tf_rdata_free(mp, p->rd_next);
126 	if (p->rd_name != NULL)
127 		topo_mod_strfree(mp, p->rd_name);
128 	tf_edata_free(mp, p->rd_einfo);
129 	tf_idata_free(mp, p->rd_instances);
130 	tf_pad_free(mp, p->rd_pad);
131 	topo_mod_free(mp, p, sizeof (tf_rdata_t));
132 }
133 
134 tf_idata_t *
135 tf_idata_new(topo_mod_t *mp, topo_instance_t i, tnode_t *tn)
136 {
137 	tf_idata_t *r;
138 
139 	topo_mod_dprintf(mp, "new idata %d\n", i);
140 	if ((r = topo_mod_zalloc(mp, sizeof (tf_idata_t))) == NULL)
141 		return (NULL);
142 	r->ti_tn = tn;
143 	r->ti_i = i;
144 	return (r);
145 }
146 
147 void
148 tf_idata_free(topo_mod_t *mp, tf_idata_t *p)
149 {
150 	if (p == NULL)
151 		return;
152 	tf_idata_free(mp, p->ti_next);
153 	tf_pad_free(mp, p->ti_pad);
154 	topo_mod_free(mp, p, sizeof (tf_idata_t));
155 }
156 
157 int
158 tf_idata_insert(topo_mod_t *mp, tf_idata_t **head, tf_idata_t *ni)
159 {
160 	tf_idata_t *l, *p;
161 
162 	topo_mod_dprintf(mp, "idata insert %d\n", ni->ti_i);
163 	p = NULL;
164 	for (l = *head; l != NULL; l = l->ti_next) {
165 		if (ni->ti_i < l->ti_i)
166 			break;
167 		p = l;
168 	}
169 	ni->ti_next = l;
170 	if (p == NULL)
171 		*head = ni;
172 	else
173 		p->ti_next = ni;
174 	return (0);
175 }
176 
177 tf_idata_t *
178 tf_idata_lookup(topo_mod_t *mp, tf_idata_t *head, topo_instance_t i)
179 {
180 	tf_idata_t *f;
181 	topo_mod_dprintf(mp, "idata lookup %d\n", i);
182 	for (f = head; f != NULL; f = f->ti_next)
183 		if (i == f->ti_i)
184 			break;
185 	return (f);
186 }
187 
188 tf_pad_t *
189 tf_pad_new(topo_mod_t *mp, int pcnt, int dcnt)
190 {
191 	tf_pad_t *r;
192 
193 	topo_mod_dprintf(mp, "new pad p=%d, d=%d\n", pcnt, dcnt);
194 	if ((r = topo_mod_zalloc(mp, sizeof (tf_pad_t))) == NULL)
195 		return (NULL);
196 	r->tpad_pgcnt = pcnt;
197 	r->tpad_dcnt = dcnt;
198 	return (r);
199 }
200 
201 void
202 tf_pad_free(topo_mod_t *mp, tf_pad_t *p)
203 {
204 	int n;
205 	if (p == NULL)
206 		return;
207 	if (p->tpad_pgs != NULL) {
208 		for (n = 0; n < p->tpad_pgcnt; n++)
209 			if (p->tpad_pgs[n] != NULL)
210 				nvlist_free(p->tpad_pgs[n]);
211 		topo_mod_free(mp,
212 		    p->tpad_pgs, p->tpad_pgcnt * sizeof (nvlist_t *));
213 	}
214 	tf_rdata_free(mp, p->tpad_child);
215 	tf_rdata_free(mp, p->tpad_sibs);
216 	topo_mod_free(mp, p, sizeof (tf_pad_t));
217 }
218 
219 void
220 tf_edata_free(topo_mod_t *mp, tf_edata_t *p)
221 {
222 	if (p == NULL)
223 		return;
224 	if (p->te_name != NULL)
225 		xmlFree(p->te_name);
226 	if (p->te_path != NULL)
227 		xmlFree(p->te_path);
228 	topo_mod_free(mp, p, sizeof (tf_edata_t));
229 }
230