xref: /illumos-gate/usr/src/uts/sun4u/excalibur/sys/xcalwd.h (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
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 (c) 2001 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _XCALWD_H
28 #define	_XCALWD_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Excalibur fan control failsafe timer
34  */
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 /*
41  * Private ioctls for PICL environment plug-in to enable the watchdog
42  */
43 #define	XCALWD_IOCTL	(('X' << 16) | ('W' << 8))
44 #define	XCALWD_STARTWATCHDOG	(XCALWD_IOCTL | 1)
45 #define	XCALWD_STOPWATCHDOG	(XCALWD_IOCTL | 2)
46 #define	XCALWD_KEEPALIVE	(XCALWD_IOCTL | 3)
47 #define	XCALWD_GETSTATE		(XCALWD_IOCTL | 4)
48 
49 #ifdef __cplusplus
50 }
51 #endif
52 
53 #endif /* _XCALWD_H */
54