xref: /illumos-gate/usr/src/uts/common/sys/clconf.h (revision 7c478bd9)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * This header file specifies the interface to access the
40  * configuration data needed in order to boot and form a cluster.
41  */
42 
43 /*
44  * Node identifiers are numbered 1 to clconf_maximum_nodeid().
45  * The nodeid zero is used to mean unknown.
46  */
47 #define	NODEID_UNKNOWN	0
48 
49 typedef unsigned int	nodeid_t;
50 
51 #if defined(_KERNEL)
52 
53 extern void	clconf_init(void);
54 extern nodeid_t	clconf_get_nodeid(void);
55 extern nodeid_t	clconf_maximum_nodeid(void);
56 #endif /* defined(_KERNEL) */
57 
58 #ifdef __cplusplus
59 }
60 #endif
61 
62 #endif	/* _SYS_CLCONF_H */
63