xref: /illumos-gate/usr/src/uts/common/sys/sysmsg_impl.h (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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) 1996-1999 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_SYS_SYSMSG_IMPL_H
28 #define	_SYS_SYSMSG_IMPL_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #define	SYSMSG		"/dev/sysmsg"
37 
38 /*
39  * consadm(1M) uses these ioctls to interface with /dev/sysmsg.
40  */
41 
42 /*
43  * When the ioctl is called with a zero length buffer, then the
44  * /dev/sysmsg module will return the size of the buffer needed to
45  * contain a space separated list of auxiliary device names.
46  *
47  * When a buffer of the correct size is provided, the ioctl returns
48  * a space separated list of auxiliary device names.
49  */
50 #define	CIOCGETCONSOLE	0
51 
52 /*
53  * Set the given device to be an auxiliary console.  This will cause
54  * console messages to also appear on that device.
55  */
56 #define	CIOCSETCONSOLE	1
57 
58 /*
59  * Unset the given device as an auxiliary console.  Console
60  * messages will not be displayed on that device any longer.
61  */
62 #define	CIOCRMCONSOLE	2
63 
64 /*
65  * Return the dev_t for the controlling tty
66  */
67 #define	CIOCTTYCONSOLE	3
68 
69 #ifdef	__cplusplus
70 }
71 #endif
72 
73 #endif	/* _SYS_SYSMSG_IMPL_H */
74