nvpair_impl.h revision 168404 
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 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_NVPAIR_IMPL_H
28#define	_NVPAIR_IMPL_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36#include <sys/nvpair.h>
37
38/*
39 * The structures here provided for information and debugging purposes only
40 * may be changed in the future.
41 */
42
43/*
44 * implementation linked list for pre-packed data
45 */
46typedef struct i_nvp i_nvp_t;
47
48struct i_nvp {
49	union {
50		uint64_t	_nvi_align;	/* ensure alignment */
51		struct {
52			i_nvp_t	*_nvi_next;	/* pointer to next nvpair */
53			i_nvp_t	*_nvi_prev;	/* pointer to prev nvpair */
54		} _nvi;
55	} _nvi_un;
56	nvpair_t nvi_nvp;			/* nvpair */
57};
58#define	nvi_next	_nvi_un._nvi._nvi_next
59#define	nvi_prev	_nvi_un._nvi._nvi_prev
60
61typedef struct {
62	i_nvp_t		*nvp_list;	/* linked list of nvpairs */
63	i_nvp_t		*nvp_last;	/* last nvpair */
64	i_nvp_t		*nvp_curr;	/* current walker nvpair */
65	nv_alloc_t	*nvp_nva;	/* pluggable allocator */
66	uint32_t	nvp_stat;	/* internal state */
67} nvpriv_t;
68
69#ifdef	__cplusplus
70}
71#endif
72
73#endif	/* _NVPAIR_IMPL_H */
74