xref: /illumos-gate/usr/src/lib/libipmp/common/ipmp_impl.h (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
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 2002 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _IPMP_IMPL_H
28 #define	_IPMP_IMPL_H
29 
30 #include <ipmp.h>
31 #include <ipmp_query_impl.h>
32 
33 /*
34  * Implementation-private definitions for the IPMP library.
35  */
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 /*
42  * Private IPMP state structure.
43  */
44 typedef struct ipmp_state {
45 	uint32_t	st_magic;	/* magic tag */
46 	int		st_fd; 		/* socket to in.mpathd */
47 	ipmp_snap_t	*st_snap;	/* current snapshot, if any */
48 } ipmp_state_t;
49 
50 #define	IPMP_MAGIC	0x49504D50	/* "IPMP" */
51 
52 #ifdef __cplusplus
53 }
54 #endif
55 
56 #endif /* _IPMP_IMPL_H */
57