usr/src/cmd/picl/plugins/common/frutree/piclfrutree.c

   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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1999-2000 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 /*
  30  * This plugin creates the PICL nodes and properties specified in
  31  * configuration file.
  32  * It is used to create the FRU tree for a platform.
  33  * The configuration file for FRU tree is called "piclfrutree.conf".
  34  */
  35
  36
  37 #include <stdio.h>
  38 #include <fcntl.h>
  39 #include <unistd.h>
  40 #include <stdlib.h>
  41 #include <errno.h>
  42 #include <string.h>
  43 #include <syslog.h>
  44 #include <alloca.h>
  45 #include <limits.h>
  46 #include <sys/utsname.h>
  47 #include <sys/systeminfo.h>
  48 #include <sys/stat.h>
  49 #include <libintl.h>
  50 #include <picl.h>
  51 #include <picltree.h>
  52 #include "picld_pluginutil.h"
  53
  54 #define EM_FAIL gettext("SUNW_piclfrutree PICL plugin module failed")
  55
  56 static  void    piclfrutree_register(void);
  57 static  void    piclfrutree_init(void);
  58 static  void    piclfrutree_fini(void);
  59
  60 #define FRUTREE_CONFFILE_NAME           "piclfrutree.conf"
  61
  62 #pragma init(piclfrutree_register)
  63
  64 static picld_plugin_reg_t  my_reg_info = {
  65         PICLD_PLUGIN_VERSION_1,
  66         PICLD_PLUGIN_NON_CRITICAL,
  67         "SUNW_piclfrutree",
  68         piclfrutree_init,
  69         piclfrutree_fini
  70 };
  71
  72 static void
  73 piclfrutree_register(void)
  74 {
  75         (void) picld_plugin_register(&my_reg_info);
  76 }
  77
  78 /*
  79  * Search for the frutree config file from the platform specific
  80  * directory to the common directory.
  81  *
  82  * The size of outfilename must be PATH_MAX
  83  */
  84 static int
  85 get_config_file(char *outfilename)
  86 {
  87         char    pname[PATH_MAX];
  88
  89         (void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_PLAT_PLUGIN_DIR,
  90             FRUTREE_CONFFILE_NAME);
  91
  92         if (access(pname, R_OK) == 0) {
  93                 (void) strlcpy(outfilename, pname, PATH_MAX);
  94                 return (0);
  95         }
  96
  97         (void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR,
  98             FRUTREE_CONFFILE_NAME);
  99
 100         if (access(pname, R_OK) == 0) {
 101                 (void) strlcpy(outfilename, pname, PATH_MAX);
 102                 return (0);
 103         }
 104
 105         return (-1);
 106 }
 107
 108 static void
 109 piclfrutree_init(void)
 110 {
 111         char            fullfilename[PATH_MAX];
 112         picl_nodehdl_t  rooth;
 113
 114         if (get_config_file(fullfilename) < 0)
 115                 return;
 116
 117         if (ptree_get_root(&rooth) != PICL_SUCCESS)
 118                 return;
 119
 120         if (picld_pluginutil_parse_config_file(rooth, fullfilename) !=
 121             PICL_SUCCESS)
 122                 syslog(LOG_ERR, EM_FAIL);
 123 }
 124
 125 static void
 126 piclfrutree_fini(void)
 127 {
 128 }