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 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 /*
  28  * MAC Services Module
  29  */
  30 
  31 #include <sys/types.h>
  32 #include <sys/conf.h>
  33 #include <sys/stat.h>
  34 #include <sys/stream.h>
  35 #include <sys/modctl.h>
  36 #include <sys/atomic.h>
  37 
  38 #include <sys/mac.h>
  39 #include <sys/mac_impl.h>
  40 
  41 static struct modlmisc          i_mac_modlmisc = {
  42         &mod_miscops,
  43         MAC_INFO
  44 };
  45 
  46 static struct modlinkage        i_mac_modlinkage = {
  47         MODREV_1,
  48         {   &i_mac_modlmisc,
  49             NULL }
  50 };
  51 
  52 /*
  53  * Module initialization functions.
  54  */
  55 
  56 static void
  57 i_mac_mod_init(void)
  58 {
  59         mac_init();
  60 }
  61 
  62 static int
  63 i_mac_mod_fini(void)
  64 {
  65         int     err;
  66 
  67         if ((err = mac_fini()) != 0)
  68                 return (err);
  69 
  70         return (0);
  71 }
  72 
  73 /*
  74  * modlinkage functions.
  75  */
  76 
  77 int
  78 _init(void)
  79 {
  80         int     err;
  81 
  82         i_mac_mod_init();
  83 
  84         if ((err = mod_install(&i_mac_modlinkage)) != 0) {
  85                 (void) i_mac_mod_fini();
  86                 return (err);
  87         }
  88 
  89 #ifdef  DEBUG
  90         cmn_err(CE_NOTE, "!%s loaded", MAC_INFO);
  91 #endif  /* DEBUG */
  92 
  93         return (0);
  94 }
  95 
  96 int
  97 _fini(void)
  98 {
  99         int     err;
 100 
 101         if ((err = i_mac_mod_fini()) != 0)
 102                 return (err);
 103 
 104         if ((err = mod_remove(&i_mac_modlinkage)) != 0)
 105                 return (err);
 106 
 107 #ifdef  DEBUG
 108         cmn_err(CE_NOTE, "!%s unloaded", MAC_INFO);
 109 #endif  /* DEBUG */
 110 
 111         return (0);
 112 }
 113 
 114 int
 115 _info(struct modinfo *modinfop)
 116 {
 117         return (mod_info(&i_mac_modlinkage, modinfop));
 118 }