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      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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <sys/ddi.h>
     30 #include <sys/sunddi.h>
     31 #include <sys/modctl.h>
     32 #ifdef	DEBUG
     33 #include <sys/cmn_err.h>
     34 #endif	/* DEBUG */
     35 #include <sys/kidmap.h>
     36 #include "kidmap_priv.h"
     37 
     38 
     39 
     40 
     41 extern struct mod_ops mod_miscops;
     42 
     43 static struct modlmisc misc =
     44 {
     45 	&mod_miscops,
     46 	"ID Mapping kernel module"
     47 };
     48 
     49 static struct modlinkage linkage =
     50 {
     51 	MODREV_1,
     52 	(void *) &misc,
     53 	NULL
     54 };
     55 
     56 
     57 int
     58 _init()
     59 {
     60 	int i;
     61 
     62 	if ((i =  mod_install(&linkage)) != 0) {
     63 #ifdef	DEBUG
     64 		cmn_err(CE_WARN, "idmap: Failed to load kernel module");
     65 #endif	/* DEBUG */
     66 		return (i);
     67 	}
     68 
     69 	if (kidmap_start() != 0) {
     70 #ifdef	DEBUG
     71 		cmn_err(CE_WARN, "idmap: Failed to start");
     72 #endif	/* DEBUG */
     73 		return (i);
     74 	}
     75 
     76 	return (i);
     77 }
     78 
     79 int
     80 _info(struct modinfo *modinfop)
     81 {
     82 	return (mod_info(&linkage, modinfop));
     83 }
     84 
     85 int
     86 _fini()
     87 {
     88 	int i;
     89 
     90 	if ((i = kidmap_stop()) != 0) {
     91 		return (i);
     92 	}
     93 
     94 	if ((i = mod_remove(&linkage)) != 0) {
     95 #ifdef	DEBUG
     96 		cmn_err(CE_WARN, "idmap: Failed to remove kernel module");
     97 #endif	/* DEBUG */
     98 		return (i);
     99 	}
    100 
    101 	return (0);
    102 }
    103