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 /*
28 * Fake rtls module. Prevents the real rtls driver from loading in
29 * a xen HVM domain so that xnf may operate instead.
30 */
31
32 #include <sys/sunddi.h>
33 #include <sys/errno.h>
34 #include <sys/modctl.h>
35
36 static struct dev_ops stub_ops = {
37 DEVO_REV,
38 0,
39 NULL,
40 nulldev,
41 nulldev,
42 NULL,
43 NULL,
44 nodev,
45 NULL,
46 NULL,
47 NULL,
48 ddi_quiesce_not_needed
49 };
50
51 static struct modldrv modldrv = {
52 &mod_driverops,
53 "xVM rtls stub",
54 &stub_ops
55 };
56
57 static struct modlinkage modlinkage = {
58 MODREV_1, (void *)&modldrv, NULL
59 };
60
61 int
_init(void)62 _init(void)
63 {
64 return (mod_install(&modlinkage));
65 }
66
67 int
_info(struct modinfo * modinfop)68 _info(struct modinfo *modinfop)
69 {
70 return (mod_info(&modlinkage, modinfop));
71 }
72
73 int
_fini(void)74 _fini(void)
75 {
76 return (EBUSY);
77 }
78