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 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #include <sys/ddi.h>
  28 #include <sys/sunddi.h>
  29 #include <sys/modctl.h>
  30 #ifdef  DEBUG
  31 #include <sys/cmn_err.h>
  32 #endif  /* DEBUG */
  33 #include <sys/kidmap.h>
  34 #include "kidmap_priv.h"
  35 
  36 
  37 
  38 
  39 extern struct mod_ops mod_miscops;
  40 
  41 static struct modlmisc misc =
  42 {
  43         &mod_miscops,
  44         "ID Mapping kernel module"
  45 };
  46 
  47 static struct modlinkage linkage =
  48 {
  49         MODREV_1,
  50         { (void *) &misc, NULL }
  51 };
  52 
  53 
  54 int
  55 _init()
  56 {
  57         int i;
  58 
  59         if ((i =  mod_install(&linkage)) != 0) {
  60 #ifdef  DEBUG
  61                 cmn_err(CE_WARN, "idmap: Failed to load kernel module");
  62 #endif  /* DEBUG */
  63                 return (i);
  64         }
  65 
  66         if (kidmap_start() != 0) {
  67 #ifdef  DEBUG
  68                 cmn_err(CE_WARN, "idmap: Failed to start");
  69 #endif  /* DEBUG */
  70                 return (i);
  71         }
  72 
  73         return (i);
  74 }
  75 
  76 int
  77 _info(struct modinfo *modinfop)
  78 {
  79         return (mod_info(&linkage, modinfop));
  80 }
  81 
  82 int
  83 _fini()
  84 {
  85         int i;
  86 
  87         if ((i = kidmap_stop()) != 0) {
  88                 return (i);
  89         }
  90 
  91         if ((i = mod_remove(&linkage)) != 0) {
  92 #ifdef  DEBUG
  93                 cmn_err(CE_WARN, "idmap: Failed to remove kernel module");
  94 #endif  /* DEBUG */
  95                 return (i);
  96         }
  97 
  98         return (0);
  99 }