xref: /illumos-gate/usr/src/uts/common/sys/clconf.h (revision 20a7641f9918de8574b8b3b47dbe35c4bfc78df1)
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) 1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_SYS_CLCONF_H
28 #define	_SYS_CLCONF_H
29 
30 #include <sys/types.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * This header file specifies the interface to access the
38  * configuration data needed in order to boot and form a cluster.
39  */
40 
41 /*
42  * Node identifiers are numbered 1 to clconf_maximum_nodeid().
43  * The nodeid zero is used to mean unknown.
44  */
45 #define	NODEID_UNKNOWN	0
46 
47 typedef unsigned int	nodeid_t;
48 
49 #if defined(_KERNEL)
50 
51 extern void	clconf_init(void);
52 extern nodeid_t	clconf_get_nodeid(void);
53 extern nodeid_t	clconf_maximum_nodeid(void);
54 #endif /* defined(_KERNEL) */
55 
56 #ifdef __cplusplus
57 }
58 #endif
59 
60 #endif	/* _SYS_CLCONF_H */
61