xref: /illumos-gate/usr/src/uts/common/sys/sysmsg_impl.h (revision bbf215553c7233fbab8a0afdf1fac74c44781867)
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 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 #define	SYSMSG		"/dev/sysmsg"
35 
36 /*
37  * consadm(8) uses these ioctls to interface with /dev/sysmsg.
38  */
39 
40 /*
41  * When the ioctl is called with a zero length buffer, then the
42  * /dev/sysmsg module will return the size of the buffer needed to
43  * contain a space separated list of auxiliary device names.
44  *
45  * When a buffer of the correct size is provided, the ioctl returns
46  * a space separated list of auxiliary device names.
47  */
48 #define	CIOCGETCONSOLE	0
49 
50 /*
51  * Set the given device to be an auxiliary console.  This will cause
52  * console messages to also appear on that device.
53  */
54 #define	CIOCSETCONSOLE	1
55 
56 /*
57  * Unset the given device as an auxiliary console.  Console
58  * messages will not be displayed on that device any longer.
59  */
60 #define	CIOCRMCONSOLE	2
61 
62 /*
63  * Return the dev_t for the controlling tty
64  */
65 #define	CIOCTTYCONSOLE	3
66 
67 #ifdef	__cplusplus
68 }
69 #endif
70 
71 #endif	/* _SYS_SYSMSG_IMPL_H */
72