xref: /freebsd/sys/contrib/openzfs/lib/libspl/include/sys/systeminfo.h (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
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 https://opensource.org/licenses/CDDL-1.0.
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 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _LIBSPL_SYS_SYSTEMINFO_H
28 #define	_LIBSPL_SYS_SYSTEMINFO_H
29 
30 #define	HOSTID_MASK		0xFFFFFFFF
31 #define	HW_INVALID_HOSTID	0xFFFFFFFF	/* an invalid hostid */
32 #define	HW_HOSTID_LEN		11		/* minimum buffer size needed */
33 						/* to hold a decimal or hex */
34 						/* hostid string */
35 
36 unsigned long get_system_hostid(void);
37 
38 #endif
39