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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * Fake rtls module. Prevents the real rtls driver from loading in
28 * a xen HVM domain so that xnf may operate instead.
29 */
30
31 #include <sys/sunddi.h>
32 #include <sys/errno.h>
33 #include <sys/modctl.h>
34
35 struct dev_ops pv_rtls_ops = {
36 DEVO_REV,
37 0,
38 NULL,
39 nulldev,
40 nulldev,
41 NULL,
42 NULL,
43 nodev,
44 NULL,
45 NULL,
46 NULL,
47 ddi_quiesce_not_needed, /* quiesce */
48 };
49
50 /*
51 * Module linkage information for the kernel.
52 */
53 static struct modldrv modldrv = {
54 &mod_driverops,
55 "xVM rtls stub",
56 &pv_rtls_ops
57 };
58
59 static struct modlinkage modlinkage = {
60 MODREV_1, (void *)&modldrv, NULL
61 };
62
63 int
_init(void)64 _init(void)
65 {
66 return (mod_install(&modlinkage));
67 }
68
69 int
_info(struct modinfo * modinfop)70 _info(struct modinfo *modinfop)
71 {
72 return (mod_info(&modlinkage, modinfop));
73 }
74
75 int
_fini(void)76 _fini(void)
77 {
78 return (EBUSY);
79 }
80