xref: /illumos-gate/usr/src/lib/fm/topo/libtopo/common/topo_parse.c (revision aab83bb83be7342f6cfccaed8d5fe0b2f404855d)
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 #include <libxml/parser.h>
28 #include <fm/libtopo.h>
29 #include <topo_alloc.h>
30 #include <topo_error.h>
31 #include <topo_parse.h>
32 #include <topo_subr.h>
33 
34 tf_info_t *
tf_info_new(topo_mod_t * mp,xmlDocPtr doc,xmlChar * scheme)35 tf_info_new(topo_mod_t *mp, xmlDocPtr doc, xmlChar *scheme)
36 {
37 	tf_info_t *r;
38 
39 	if ((r = topo_mod_zalloc(mp, sizeof (tf_info_t))) == NULL)
40 		return (NULL);
41 	r->tf_flags = TF_LIVE;
42 	if ((r->tf_scheme = topo_mod_strdup(mp, (char *)scheme)) == NULL) {
43 		tf_info_free(mp, r);
44 		return (NULL);
45 	}
46 	r->tf_xdoc = doc;
47 	return (r);
48 }
49 
50 void
tf_info_free(topo_mod_t * mp,tf_info_t * p)51 tf_info_free(topo_mod_t *mp, tf_info_t *p)
52 {
53 	if (p->tf_xdoc != NULL)
54 		xmlFreeDoc(p->tf_xdoc);
55 	if (p->tf_scheme != NULL)
56 		topo_mod_strfree(mp, p->tf_scheme);
57 	tf_rdata_free(mp, p->tf_rd);
58 	topo_mod_free(mp, p, sizeof (tf_info_t));
59 }
60 
61 tf_rdata_t *
tf_rdata_new(topo_mod_t * mp,tf_info_t * xinfo,xmlNodePtr n,tnode_t * troot)62 tf_rdata_new(topo_mod_t *mp, tf_info_t *xinfo, xmlNodePtr n, tnode_t *troot)
63 {
64 	tf_rdata_t *r;
65 	uint64_t ui;
66 	xmlChar *name = NULL;
67 
68 	topo_dprintf(mp->tm_hdl, TOPO_DBG_XML, "new rdata\n");
69 	if ((r = topo_mod_zalloc(mp, sizeof (tf_rdata_t))) == NULL) {
70 		(void) topo_mod_seterrno(mp, ETOPO_NOMEM);
71 		return (NULL);
72 	}
73 	r->rd_pn = troot;
74 	if ((name = xmlGetProp(n, (xmlChar *)Name)) == NULL) {
75 		(void) topo_mod_seterrno(mp, ETOPO_PRSR_NOATTR);
76 		goto rdata_nogood;
77 	}
78 	if ((r->rd_name = topo_mod_strdup(mp, (char *)name)) == NULL) {
79 		(void) topo_mod_seterrno(mp, ETOPO_NOMEM);
80 		goto rdata_nogood;
81 	}
82 	if (xmlattr_to_int(mp, n, Min, &ui) < 0)
83 		goto rdata_nogood;
84 	r->rd_min = (int)ui;
85 	if (xmlattr_to_int(mp, n, Max, &ui) < 0)
86 		goto rdata_nogood;
87 	r->rd_max = (int)ui;
88 	if (r->rd_min < 0 || r->rd_max < 0 || r->rd_max < r->rd_min) {
89 		(void) topo_mod_seterrno(mp, ETOPO_PRSR_BADRNG);
90 		goto rdata_nogood;
91 	}
92 	r->rd_finfo = xinfo;
93 	r->rd_mod = mp;
94 
95 	if (topo_xml_range_process(mp, n, r) < 0)
96 		goto rdata_nogood;
97 
98 	xmlFree(name);
99 	return (r);
100 
101 rdata_nogood:
102 	if (name != NULL)
103 		xmlFree(name);
104 	tf_rdata_free(mp, r);
105 	return (NULL);
106 }
107 
108 void
tf_rdata_free(topo_mod_t * mp,tf_rdata_t * p)109 tf_rdata_free(topo_mod_t *mp, tf_rdata_t *p)
110 {
111 	if (p == NULL)
112 		return;
113 	tf_rdata_free(mp, p->rd_next);
114 	if (p->rd_name != NULL)
115 		topo_mod_strfree(mp, p->rd_name);
116 	tf_edata_free(mp, p->rd_einfo);
117 	tf_idata_free(mp, p->rd_instances);
118 	tf_pad_free(mp, p->rd_pad);
119 	topo_mod_free(mp, p, sizeof (tf_rdata_t));
120 }
121 
122 tf_idata_t *
tf_idata_new(topo_mod_t * mp,topo_instance_t i,tnode_t * tn)123 tf_idata_new(topo_mod_t *mp, topo_instance_t i, tnode_t *tn)
124 {
125 	tf_idata_t *r;
126 
127 	topo_dprintf(mp->tm_hdl, TOPO_DBG_XML, "new idata %d\n", i);
128 	if ((r = topo_mod_zalloc(mp, sizeof (tf_idata_t))) == NULL)
129 		return (NULL);
130 	r->ti_tn = tn;
131 	r->ti_i = i;
132 	return (r);
133 }
134 
135 void
tf_idata_free(topo_mod_t * mp,tf_idata_t * p)136 tf_idata_free(topo_mod_t *mp, tf_idata_t *p)
137 {
138 	if (p == NULL)
139 		return;
140 	tf_idata_free(mp, p->ti_next);
141 	tf_pad_free(mp, p->ti_pad);
142 	topo_mod_free(mp, p, sizeof (tf_idata_t));
143 }
144 
145 int
tf_idata_insert(tf_idata_t ** head,tf_idata_t * ni)146 tf_idata_insert(tf_idata_t **head, tf_idata_t *ni)
147 {
148 	tf_idata_t *l, *p;
149 
150 	p = NULL;
151 	for (l = *head; l != NULL; l = l->ti_next) {
152 		if (ni->ti_i < l->ti_i)
153 			break;
154 		p = l;
155 	}
156 	ni->ti_next = l;
157 	if (p == NULL)
158 		*head = ni;
159 	else
160 		p->ti_next = ni;
161 	return (0);
162 }
163 
164 tf_idata_t *
tf_idata_lookup(tf_idata_t * head,topo_instance_t i)165 tf_idata_lookup(tf_idata_t *head, topo_instance_t i)
166 {
167 	tf_idata_t *f;
168 	for (f = head; f != NULL; f = f->ti_next)
169 		if (i == f->ti_i)
170 			break;
171 	return (f);
172 }
173 
174 tf_pad_t *
tf_pad_new(topo_mod_t * mp,int pcnt,int dcnt)175 tf_pad_new(topo_mod_t *mp, int pcnt, int dcnt)
176 {
177 	tf_pad_t *r;
178 
179 	topo_dprintf(mp->tm_hdl, TOPO_DBG_XML, "new pad p=%d, d=%d\n",
180 	    pcnt, dcnt);
181 	if ((r = topo_mod_zalloc(mp, sizeof (tf_pad_t))) == NULL)
182 		return (NULL);
183 	r->tpad_pgcnt = pcnt;
184 	r->tpad_dcnt = dcnt;
185 	return (r);
186 }
187 
188 void
tf_pad_free(topo_mod_t * mp,tf_pad_t * p)189 tf_pad_free(topo_mod_t *mp, tf_pad_t *p)
190 {
191 	int n;
192 	if (p == NULL)
193 		return;
194 	if (p->tpad_pgs != NULL) {
195 		for (n = 0; n < p->tpad_pgcnt; n++)
196 			nvlist_free(p->tpad_pgs[n]);
197 		topo_mod_free(mp,
198 		    p->tpad_pgs, p->tpad_pgcnt * sizeof (nvlist_t *));
199 	}
200 	tf_rdata_free(mp, p->tpad_child);
201 	tf_rdata_free(mp, p->tpad_sibs);
202 	topo_mod_free(mp, p, sizeof (tf_pad_t));
203 }
204 
205 void
tf_edata_free(topo_mod_t * mp,tf_edata_t * p)206 tf_edata_free(topo_mod_t *mp, tf_edata_t *p)
207 {
208 	if (p == NULL)
209 		return;
210 	if (p->te_name != NULL)
211 		xmlFree(p->te_name);
212 	topo_mod_free(mp, p, sizeof (tf_edata_t));
213 }
214