xref: /illumos-gate/usr/src/uts/common/sys/vuid_wheel.h (revision 2d6eb4a5)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_VUID_WHEEL_H
28 #define	_SYS_VUID_WHEEL_H
29 
30 #include <sys/vuid_event.h>	/* for VUIOC definition */
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #define	VUID_WHEEL_MAX_COUNT	256
37 #define	VUIDGWHEELCOUNT		(VUIOC|15)
38 #define	VUIDGWHEELINFO		(VUIOC|16)
39 #define	VUIDGWHEELSTATE		(VUIOC|17)
40 #define	VUIDSWHEELSTATE		(VUIOC|18)
41 
42 typedef struct {
43 	int	vers;		/* set to VUID_WHEEL_INFO_VERS */
44 	int	id;
45 	int	format;
46 } wheel_info;
47 
48 #define	VUID_WHEEL_INFO_VERS		1
49 
50 #define	VUID_WHEEL_FORMAT_UNKNOWN	0
51 #define	VUID_WHEEL_FORMAT_HORIZONTAL	1
52 #define	VUID_WHEEL_FORMAT_VERTICAL	2
53 
54 typedef struct {
55 	int		vers;		/* set to VUID_WHEEL_STATE_VERS */
56 	int		id;
57 	uint32_t	stateflags;
58 } wheel_state;
59 
60 #define	VUID_WHEEL_STATE_VERS		1
61 #define	VUID_WHEEL_STATE_ENABLED	(1 << 0) /* Can get & set */
62 #define	VUID_WHEEL_DELTAMASK		0x000000FF
63 
64 #define	VUID_WHEEL_GETDELTA(event_value)	\
65 		((signed char) ((event_value) & VUID_WHEEL_DELTAMASK))
66 
67 #ifdef	__cplusplus
68 }
69 #endif
70 
71 #endif	/* _SYS_VUID_WHEEL_H */
72