xref: /onnv-gate/usr/src/uts/common/sys/nvpair_impl.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_NVPAIR_IMPL_H
28*0Sstevel@tonic-gate #define	_NVPAIR_IMPL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef __cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include <sys/nvpair.h>
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate  * The structures here provided for information and debugging purposes only
40*0Sstevel@tonic-gate  * may be changed in the future.
41*0Sstevel@tonic-gate  */
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate /*
44*0Sstevel@tonic-gate  * implementation linked list for pre-packed data
45*0Sstevel@tonic-gate  */
46*0Sstevel@tonic-gate typedef struct i_nvp i_nvp_t;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate struct i_nvp {
49*0Sstevel@tonic-gate 	union {
50*0Sstevel@tonic-gate 		uint64_t	_nvi_align;	/* ensure alignment */
51*0Sstevel@tonic-gate 		struct {
52*0Sstevel@tonic-gate 			i_nvp_t	*_nvi_next;	/* pointer to next nvpair */
53*0Sstevel@tonic-gate 			i_nvp_t	*_nvi_prev;	/* pointer to prev nvpair */
54*0Sstevel@tonic-gate 		} _nvi;
55*0Sstevel@tonic-gate 	} _nvi_un;
56*0Sstevel@tonic-gate 	nvpair_t nvi_nvp;			/* nvpair */
57*0Sstevel@tonic-gate };
58*0Sstevel@tonic-gate #define	nvi_next	_nvi_un._nvi._nvi_next
59*0Sstevel@tonic-gate #define	nvi_prev	_nvi_un._nvi._nvi_prev
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate typedef struct {
62*0Sstevel@tonic-gate 	i_nvp_t		*nvp_list;	/* linked list of nvpairs */
63*0Sstevel@tonic-gate 	i_nvp_t		*nvp_last;	/* last nvpair */
64*0Sstevel@tonic-gate 	i_nvp_t		*nvp_curr;	/* current walker nvpair */
65*0Sstevel@tonic-gate 	nv_alloc_t	*nvp_nva;	/* pluggable allocator */
66*0Sstevel@tonic-gate 	uint32_t	nvp_stat;	/* internal state */
67*0Sstevel@tonic-gate } nvpriv_t;
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate #ifdef	__cplusplus
70*0Sstevel@tonic-gate }
71*0Sstevel@tonic-gate #endif
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate #endif	/* _NVPAIR_IMPL_H */
74