17aec1d6eScindi /*
27aec1d6eScindi * CDDL HEADER START
37aec1d6eScindi *
47aec1d6eScindi * The contents of this file are subject to the terms of the
57aec1d6eScindi * Common Development and Distribution License (the "License").
67aec1d6eScindi * You may not use this file except in compliance with the License.
77aec1d6eScindi *
87aec1d6eScindi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97aec1d6eScindi * or http://www.opensolaris.org/os/licensing.
107aec1d6eScindi * See the License for the specific language governing permissions
117aec1d6eScindi * and limitations under the License.
127aec1d6eScindi *
137aec1d6eScindi * When distributing Covered Code, include this CDDL HEADER in each
147aec1d6eScindi * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157aec1d6eScindi * If applicable, add the following below this CDDL HEADER, with the
167aec1d6eScindi * fields enclosed by brackets "[]" replaced with your own identifying
177aec1d6eScindi * information: Portions Copyright [yyyy] [name of copyright owner]
187aec1d6eScindi *
197aec1d6eScindi * CDDL HEADER END
207aec1d6eScindi */
217aec1d6eScindi
227aec1d6eScindi /*
23*4557a2a1Srobj * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
247aec1d6eScindi * Use is subject to license terms.
257aec1d6eScindi */
267aec1d6eScindi
277aec1d6eScindi #include <limits.h>
287aec1d6eScindi #include <string.h>
290eb822a1Scindi #include <unistd.h>
307aec1d6eScindi #include <sys/param.h>
317aec1d6eScindi #include <topo_error.h>
327aec1d6eScindi #include <topo_tree.h>
337aec1d6eScindi #include <topo_subr.h>
347aec1d6eScindi #include <topo_file.h>
357aec1d6eScindi
367aec1d6eScindi /*
377aec1d6eScindi * topo_file.c
387aec1d6eScindi *
397aec1d6eScindi * This file hides the details of any file manipulation to
400eb822a1Scindi * establish topology for a given enumerator.
417aec1d6eScindi */
427aec1d6eScindi
430eb822a1Scindi #define TOPO_DEFAULT_FILE "maps/%s-%s-topology.xml"
440eb822a1Scindi #define TOPO_COMMON_FILE "maps/%s-topology.xml"
457aec1d6eScindi
460eb822a1Scindi static void
topo_file_unload(topo_file_t * tfp)470eb822a1Scindi topo_file_unload(topo_file_t *tfp)
487aec1d6eScindi {
497aec1d6eScindi
500eb822a1Scindi if (tfp == NULL)
510eb822a1Scindi return;
520eb822a1Scindi
530eb822a1Scindi if (tfp->tf_filenm != NULL)
540eb822a1Scindi topo_mod_strfree(tfp->tf_mod, tfp->tf_filenm);
550eb822a1Scindi
560eb822a1Scindi if (tfp->tf_tmap != NULL)
570eb822a1Scindi tf_info_free(tfp->tf_mod, tfp->tf_tmap);
580eb822a1Scindi
590eb822a1Scindi topo_mod_free(tfp->tf_mod, tfp, sizeof (topo_file_t));
607aec1d6eScindi }
617aec1d6eScindi
627aec1d6eScindi int
topo_file_load(topo_mod_t * mod,tnode_t * node,const char * name,const char * scheme,int pmap)630eb822a1Scindi topo_file_load(topo_mod_t *mod, tnode_t *node, const char *name,
64*4557a2a1Srobj const char *scheme, int pmap)
657aec1d6eScindi {
667aec1d6eScindi topo_file_t *tfp;
670eb822a1Scindi char fp[MAXNAMELEN];
687aec1d6eScindi
690eb822a1Scindi if ((tfp = topo_mod_zalloc(mod, sizeof (topo_file_t))) == NULL)
700eb822a1Scindi return (topo_mod_seterrno(mod, ETOPO_NOMEM));
717aec1d6eScindi
727aec1d6eScindi tfp->tf_mod = mod;
737aec1d6eScindi
740eb822a1Scindi if (name != NULL)
750eb822a1Scindi (void) snprintf(fp, MAXNAMELEN, TOPO_DEFAULT_FILE, name,
760eb822a1Scindi scheme);
770eb822a1Scindi else
780eb822a1Scindi (void) snprintf(fp, MAXNAMELEN, TOPO_COMMON_FILE, scheme);
797aec1d6eScindi
800eb822a1Scindi if ((tfp->tf_filenm = topo_search_path(mod, mod->tm_rootdir, fp))
810eb822a1Scindi == NULL) {
820eb822a1Scindi topo_file_unload(tfp);
830eb822a1Scindi return (topo_mod_seterrno(mod, ETOPO_MOD_NOENT));
847aec1d6eScindi }
857aec1d6eScindi
860eb822a1Scindi if ((tfp->tf_tmap = topo_xml_read(mod, tfp->tf_filenm, scheme))
870eb822a1Scindi == NULL) {
880eb822a1Scindi topo_dprintf(mod->tm_hdl, TOPO_DBG_ERR,
890eb822a1Scindi "failed to load topology file %s: "
900eb822a1Scindi "%s\n", tfp->tf_filenm, topo_strerror(ETOPO_MOD_XRD));
910eb822a1Scindi topo_file_unload(tfp);
920eb822a1Scindi return (topo_mod_seterrno(mod, ETOPO_MOD_XRD));
930eb822a1Scindi }
947aec1d6eScindi
95*4557a2a1Srobj if (pmap)
96*4557a2a1Srobj tfp->tf_tmap->tf_flags |= TF_PROPMAP;
97*4557a2a1Srobj
980eb822a1Scindi if (topo_xml_enum(mod, tfp->tf_tmap, node) < 0) {
990eb822a1Scindi topo_dprintf(mod->tm_hdl, TOPO_DBG_ERR,
1000eb822a1Scindi "Failed to enumerate topology: %s\n",
1010eb822a1Scindi topo_strerror(ETOPO_MOD_XENUM));
1020eb822a1Scindi topo_file_unload(tfp);
1030eb822a1Scindi return (topo_mod_seterrno(mod, ETOPO_MOD_XENUM));
1040eb822a1Scindi }
1057aec1d6eScindi
1060eb822a1Scindi topo_file_unload(tfp);
1077aec1d6eScindi
1080eb822a1Scindi return (0);
1097aec1d6eScindi }
110