xref: /titanic_41/usr/src/uts/common/disp/ia.c (revision 506ea5b80cb420d5edeb6aff19fe035c0a283bb3)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  * Copyright (c) 2011 Bayard G. Bell. All rights reserved.
25  * Copyright 2012 Milan Jurik. All rights reserved.
26  */
27 
28 #include <sys/types.h>
29 #include <sys/param.h>
30 #include <sys/class.h>
31 #include <sys/errno.h>
32 #include <sys/modctl.h>
33 
34 extern pri_t ia_init(id_t, int, classfuncs_t **);
35 
36 static sclass_t csw = {
37 	"IA",
38 	ia_init,
39 	0
40 };
41 
42 /*
43  * Module linkage information for the kernel.
44  */
45 static struct modlsched modlsched = {
46 	&mod_schedops, "interactive scheduling class", &csw
47 };
48 
49 static struct modlinkage modlinkage = {
50 	MODREV_1, (void *)&modlsched, NULL
51 };
52 
53 int
54 _init()
55 {
56 	int error;
57 
58 	if ((error = mod_install(&modlinkage)) == 0) {
59 		return (0);
60 	} else {
61 		return (error);
62 	}
63 }
64 
65 int
66 _fini()
67 {
68 	return (EBUSY);
69 }
70 
71 int
72 _info(struct modinfo *modinfop)
73 {
74 	return (mod_info(&modlinkage, modinfop));
75 }
76 
77 /* Rest of IA code is in ts.c. */
78