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      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
     33 extern "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  */
     46 typedef struct i_nvp i_nvp_t;
     47 
     48 struct 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 
     61 typedef 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