usr/src/uts/common/io/mac/mac_mod.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 2005 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 /*
  30  * MAC Services Module
  31  */
  32
  33 #include <sys/types.h>
  34 #include <sys/conf.h>
  35 #include <sys/stat.h>
  36 #include <sys/stream.h>
  37 #include <sys/modctl.h>
  38 #include <sys/atomic.h>
  39
  40 #include <sys/mac.h>
  41 #include <sys/mac_impl.h>
  42
  43 static struct modlmisc          i_mac_modlmisc = {
  44         &mod_miscops,
  45         MAC_INFO
  46 };
  47
  48 static struct modlinkage        i_mac_modlinkage = {
  49         MODREV_1,
  50         &i_mac_modlmisc,
  51         NULL
  52 };
  53
  54 /*
  55  * Module initialization functions.
  56  */
  57
  58 static void
  59 i_mac_mod_init(void)
  60 {
  61         mac_init();
  62 }
  63
  64 static int
  65 i_mac_mod_fini(void)
  66 {
  67         int     err;
  68
  69         if ((err = mac_fini()) != 0)
  70                 return (err);
  71
  72         return (0);
  73 }
  74
  75 /*
  76  * modlinkage functions.
  77  */
  78
  79 int
  80 _init(void)
  81 {
  82         int     err;
  83
  84         i_mac_mod_init();
  85
  86         if ((err = mod_install(&i_mac_modlinkage)) != 0) {
  87                 (void) i_mac_mod_fini();
  88                 return (err);
  89         }
  90
  91 #ifdef  DEBUG
  92         cmn_err(CE_NOTE, "!%s loaded", MAC_INFO);
  93 #endif  /* DEBUG */
  94
  95         return (0);
  96 }
  97
  98 int
  99 _fini(void)
 100 {
 101         int     err;
 102
 103         if ((err = i_mac_mod_fini()) != 0)
 104                 return (err);
 105
 106         if ((err = mod_remove(&i_mac_modlinkage)) != 0)
 107                 return (err);
 108
 109 #ifdef  DEBUG
 110         cmn_err(CE_NOTE, "!%s unloaded", MAC_INFO);
 111 #endif  /* DEBUG */
 112
 113         return (0);
 114 }
 115
 116 int
 117 _info(struct modinfo *modinfop)
 118 {
 119         return (mod_info(&i_mac_modlinkage, modinfop));
 120 }