xref: /onnv-gate/usr/src/uts/common/sys/dktp/queue.h (revision 753:16d813ee7075)
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  */
220Sstevel@tonic-gate /*
23*753Slclee  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #ifndef _SYS_DKTP_QUEUE_H
280Sstevel@tonic-gate #define	_SYS_DKTP_QUEUE_H
290Sstevel@tonic-gate 
300Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
310Sstevel@tonic-gate 
320Sstevel@tonic-gate #ifdef	__cplusplus
330Sstevel@tonic-gate extern "C" {
340Sstevel@tonic-gate #endif
350Sstevel@tonic-gate 
360Sstevel@tonic-gate struct	que_obj {
370Sstevel@tonic-gate 	opaque_t		que_data;
380Sstevel@tonic-gate 	struct que_objops	*que_ops;
390Sstevel@tonic-gate };
400Sstevel@tonic-gate 
410Sstevel@tonic-gate struct	que_objops {
420Sstevel@tonic-gate 	int	(*que_init)(struct que_data *, void *);
430Sstevel@tonic-gate 	int	(*que_free)(struct que_obj *);
440Sstevel@tonic-gate 	int	(*que_ins)(struct que_data *, struct buf *);
450Sstevel@tonic-gate 	struct buf *(*que_del)(struct que_data *);
460Sstevel@tonic-gate 	void	*que_res[2];
470Sstevel@tonic-gate };
480Sstevel@tonic-gate 
49*753Slclee struct que_obj *qfifo_create();
50*753Slclee struct que_obj *qmerge_create();
51*753Slclee struct que_obj *qsort_create();
52*753Slclee struct que_obj *qtag_create();
53*753Slclee 
540Sstevel@tonic-gate #define	QUE_INIT(X, lkarg) (*((struct que_obj *)(X))->que_ops->que_init) \
550Sstevel@tonic-gate 	(((struct que_obj *)(X))->que_data, (lkarg))
560Sstevel@tonic-gate #define	QUE_FREE(X) (*((struct que_obj *)(X))->que_ops->que_free) ((X))
570Sstevel@tonic-gate #define	QUE_ADD(X, bp) (*((struct que_obj *)(X))->que_ops->que_ins) \
580Sstevel@tonic-gate 	(((struct que_obj *)(X))->que_data, (bp))
590Sstevel@tonic-gate #define	QUE_DEL(X) (*((struct que_obj *)(X))->que_ops->que_del) \
600Sstevel@tonic-gate 	(((struct que_obj *)(X))->que_data)
610Sstevel@tonic-gate 
620Sstevel@tonic-gate #ifdef	__cplusplus
630Sstevel@tonic-gate }
640Sstevel@tonic-gate #endif
650Sstevel@tonic-gate 
660Sstevel@tonic-gate #endif	/* _SYS_DKTP_QUEUE_H */
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