xref: /illumos-gate/usr/src/lib/fm/topo/libtopo/common/topo_parse.c (revision dd51520e127b452179a2ce4ea3bd8dee949f9afe)
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 #include <topo_subr.h>
35 
36 tf_info_t *
37 tf_info_new(topo_mod_t *mp, xmlDocPtr doc, xmlChar *scheme)
38 {
39 	tf_info_t *r;
40 
41 	if ((r = topo_mod_zalloc(mp, sizeof (tf_info_t))) == NULL)
42 		return (NULL);
43 	r->tf_flags = TF_LIVE;
44 	if ((r->tf_scheme = topo_mod_strdup(mp, (char *)scheme)) == NULL) {
45 		tf_info_free(mp, r);
46 		return (NULL);
47 	}
48 	r->tf_xdoc = doc;
49 	return (r);
50 }
51 
52 void
53 tf_info_free(topo_mod_t *mp, tf_info_t *p)
54 {
55 	if (p->tf_xdoc != NULL)
56 		xmlFreeDoc(p->tf_xdoc);
57 	if (p->tf_scheme != NULL)
58 		topo_mod_strfree(mp, p->tf_scheme);
59 	tf_rdata_free(mp, p->tf_rd);
60 	topo_mod_free(mp, p, sizeof (tf_info_t));
61 }
62 
63 tf_rdata_t *
64 tf_rdata_new(topo_mod_t *mp, tf_info_t *xinfo, xmlNodePtr n, tnode_t *troot)
65 {
66 	tf_rdata_t *r;
67 	uint64_t ui;
68 	xmlChar *name = NULL;
69 
70 	topo_dprintf(mp->tm_hdl, TOPO_DBG_XML, "new rdata\n");
71 	if ((r = topo_mod_zalloc(mp, sizeof (tf_rdata_t))) == NULL) {
72 		(void) topo_mod_seterrno(mp, ETOPO_NOMEM);
73 		return (NULL);
74 	}
75 	r->rd_pn = troot;
76 	if ((name = xmlGetProp(n, (xmlChar *)Name)) == NULL) {
77 		(void) topo_mod_seterrno(mp, ETOPO_PRSR_NOATTR);
78 		goto rdata_nogood;
79 	}
80 	if ((r->rd_name = topo_mod_strdup(mp, (char *)name)) == NULL) {
81 		(void) topo_mod_seterrno(mp, ETOPO_NOMEM);
82 		goto rdata_nogood;
83 	}
84 	if (xmlattr_to_int(mp, n, Min, &ui) < 0)
85 		goto rdata_nogood;
86 	r->rd_min = (int)ui;
87 	if (xmlattr_to_int(mp, n, Max, &ui) < 0)
88 		goto rdata_nogood;
89 	r->rd_max = (int)ui;
90 	if (r->rd_min < 0 || r->rd_max < 0 || r->rd_max < r->rd_min) {
91 		(void) topo_mod_seterrno(mp, ETOPO_PRSR_BADRNG);
92 		goto rdata_nogood;
93 	}
94 	r->rd_finfo = xinfo;
95 	r->rd_mod = mp;
96 
97 	if (topo_xml_range_process(mp, n, r) < 0)
98 		goto rdata_nogood;
99 
100 	xmlFree(name);
101 	return (r);
102 
103 rdata_nogood:
104 	if (name != NULL)
105 		xmlFree(name);
106 	tf_rdata_free(mp, r);
107 	return (NULL);
108 }
109 
110 void
111 tf_rdata_free(topo_mod_t *mp, tf_rdata_t *p)
112 {
113 	if (p == NULL)
114 		return;
115 	tf_rdata_free(mp, p->rd_next);
116 	if (p->rd_name != NULL)
117 		topo_mod_strfree(mp, p->rd_name);
118 	tf_edata_free(mp, p->rd_einfo);
119 	tf_idata_free(mp, p->rd_instances);
120 	tf_pad_free(mp, p->rd_pad);
121 	topo_mod_free(mp, p, sizeof (tf_rdata_t));
122 }
123 
124 tf_idata_t *
125 tf_idata_new(topo_mod_t *mp, topo_instance_t i, tnode_t *tn)
126 {
127 	tf_idata_t *r;
128 
129 	topo_dprintf(mp->tm_hdl, TOPO_DBG_XML, "new idata %d\n", i);
130 	if ((r = topo_mod_zalloc(mp, sizeof (tf_idata_t))) == NULL)
131 		return (NULL);
132 	r->ti_tn = tn;
133 	r->ti_i = i;
134 	return (r);
135 }
136 
137 void
138 tf_idata_free(topo_mod_t *mp, tf_idata_t *p)
139 {
140 	if (p == NULL)
141 		return;
142 	tf_idata_free(mp, p->ti_next);
143 	tf_pad_free(mp, p->ti_pad);
144 	topo_mod_free(mp, p, sizeof (tf_idata_t));
145 }
146 
147 int
148 tf_idata_insert(tf_idata_t **head, tf_idata_t *ni)
149 {
150 	tf_idata_t *l, *p;
151 
152 	p = NULL;
153 	for (l = *head; l != NULL; l = l->ti_next) {
154 		if (ni->ti_i < l->ti_i)
155 			break;
156 		p = l;
157 	}
158 	ni->ti_next = l;
159 	if (p == NULL)
160 		*head = ni;
161 	else
162 		p->ti_next = ni;
163 	return (0);
164 }
165 
166 tf_idata_t *
167 tf_idata_lookup(tf_idata_t *head, topo_instance_t i)
168 {
169 	tf_idata_t *f;
170 	for (f = head; f != NULL; f = f->ti_next)
171 		if (i == f->ti_i)
172 			break;
173 	return (f);
174 }
175 
176 tf_pad_t *
177 tf_pad_new(topo_mod_t *mp, int pcnt, int dcnt)
178 {
179 	tf_pad_t *r;
180 
181 	topo_dprintf(mp->tm_hdl, TOPO_DBG_XML, "new pad p=%d, d=%d\n",
182 	    pcnt, dcnt);
183 	if ((r = topo_mod_zalloc(mp, sizeof (tf_pad_t))) == NULL)
184 		return (NULL);
185 	r->tpad_pgcnt = pcnt;
186 	r->tpad_dcnt = dcnt;
187 	return (r);
188 }
189 
190 void
191 tf_pad_free(topo_mod_t *mp, tf_pad_t *p)
192 {
193 	int n;
194 	if (p == NULL)
195 		return;
196 	if (p->tpad_pgs != NULL) {
197 		for (n = 0; n < p->tpad_pgcnt; n++)
198 			if (p->tpad_pgs[n] != NULL)
199 				nvlist_free(p->tpad_pgs[n]);
200 		topo_mod_free(mp,
201 		    p->tpad_pgs, p->tpad_pgcnt * sizeof (nvlist_t *));
202 	}
203 	tf_rdata_free(mp, p->tpad_child);
204 	tf_rdata_free(mp, p->tpad_sibs);
205 	topo_mod_free(mp, p, sizeof (tf_pad_t));
206 }
207 
208 void
209 tf_edata_free(topo_mod_t *mp, tf_edata_t *p)
210 {
211 	if (p == NULL)
212 		return;
213 	if (p->te_name != NULL)
214 		xmlFree(p->te_name);
215 	topo_mod_free(mp, p, sizeof (tf_edata_t));
216 }
217