xref: /onnv-gate/usr/src/cmd/fm/fmd/common/fmd_buf.h (revision 1429:f6c2fc2d708c)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
22*1429Smws 
230Sstevel@tonic-gate /*
24*1429Smws  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
250Sstevel@tonic-gate  * Use is subject to license terms.
260Sstevel@tonic-gate  */
270Sstevel@tonic-gate 
280Sstevel@tonic-gate #ifndef	_FMD_BUF_H
290Sstevel@tonic-gate #define	_FMD_BUF_H
300Sstevel@tonic-gate 
310Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
320Sstevel@tonic-gate 
330Sstevel@tonic-gate #include <sys/types.h>
340Sstevel@tonic-gate 
350Sstevel@tonic-gate #ifdef	__cplusplus
360Sstevel@tonic-gate extern "C" {
370Sstevel@tonic-gate #endif
380Sstevel@tonic-gate 
390Sstevel@tonic-gate typedef struct fmd_buf {
400Sstevel@tonic-gate 	char *buf_name;			/* name of this buffer */
410Sstevel@tonic-gate 	struct fmd_buf *buf_next;	/* next buffer in hash chain */
420Sstevel@tonic-gate 	void *buf_data;			/* buffer data storage */
430Sstevel@tonic-gate 	size_t buf_size;		/* buffer size */
440Sstevel@tonic-gate 	uint_t buf_flags;		/* buffer flags (see below) */
450Sstevel@tonic-gate } fmd_buf_t;
460Sstevel@tonic-gate 
470Sstevel@tonic-gate #define	FMD_BUF_DIRTY	0x1		/* buffer is dirty (needs checkpoint) */
480Sstevel@tonic-gate 
490Sstevel@tonic-gate typedef void fmd_buf_f(fmd_buf_t *, void *);
500Sstevel@tonic-gate 
510Sstevel@tonic-gate typedef struct fmd_buf_hash {
520Sstevel@tonic-gate 	fmd_buf_t **bh_hash;		/* hash bucket array for buffers */
530Sstevel@tonic-gate 	uint_t bh_hashlen;		/* length of hash bucket array */
540Sstevel@tonic-gate 	uint_t bh_count;		/* number of buffers in hash */
550Sstevel@tonic-gate } fmd_buf_hash_t;
560Sstevel@tonic-gate 
570Sstevel@tonic-gate extern void fmd_buf_hash_create(fmd_buf_hash_t *);
58*1429Smws extern size_t fmd_buf_hash_destroy(fmd_buf_hash_t *);
590Sstevel@tonic-gate extern void fmd_buf_hash_apply(fmd_buf_hash_t *, fmd_buf_f *, void *);
600Sstevel@tonic-gate extern void fmd_buf_hash_commit(fmd_buf_hash_t *);
610Sstevel@tonic-gate extern uint_t fmd_buf_hash_count(fmd_buf_hash_t *);
620Sstevel@tonic-gate 
630Sstevel@tonic-gate extern fmd_buf_t *fmd_buf_insert(fmd_buf_hash_t *, const char *, size_t);
640Sstevel@tonic-gate extern fmd_buf_t *fmd_buf_lookup(fmd_buf_hash_t *, const char *);
650Sstevel@tonic-gate extern void fmd_buf_delete(fmd_buf_hash_t *, const char *);
660Sstevel@tonic-gate 
670Sstevel@tonic-gate #ifdef	__cplusplus
680Sstevel@tonic-gate }
690Sstevel@tonic-gate #endif
700Sstevel@tonic-gate 
710Sstevel@tonic-gate #endif	/* _FMD_BUF_H */
72