xref: /titanic_51/usr/src/uts/common/sys/dktp/queue.h (revision 43369e138469651f508b1edd3512f007d1545665)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
23*43369e13Slclee  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #ifndef _SYS_DKTP_QUEUE_H
287c478bd9Sstevel@tonic-gate #define	_SYS_DKTP_QUEUE_H
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
337c478bd9Sstevel@tonic-gate extern "C" {
347c478bd9Sstevel@tonic-gate #endif
357c478bd9Sstevel@tonic-gate 
367c478bd9Sstevel@tonic-gate struct	que_obj {
377c478bd9Sstevel@tonic-gate 	opaque_t		que_data;
387c478bd9Sstevel@tonic-gate 	struct que_objops	*que_ops;
397c478bd9Sstevel@tonic-gate };
407c478bd9Sstevel@tonic-gate 
417c478bd9Sstevel@tonic-gate struct	que_objops {
427c478bd9Sstevel@tonic-gate 	int	(*que_init)(struct que_data *, void *);
437c478bd9Sstevel@tonic-gate 	int	(*que_free)(struct que_obj *);
447c478bd9Sstevel@tonic-gate 	int	(*que_ins)(struct que_data *, struct buf *);
457c478bd9Sstevel@tonic-gate 	struct buf *(*que_del)(struct que_data *);
467c478bd9Sstevel@tonic-gate 	void	*que_res[2];
477c478bd9Sstevel@tonic-gate };
487c478bd9Sstevel@tonic-gate 
49*43369e13Slclee struct que_obj *qfifo_create();
50*43369e13Slclee struct que_obj *qmerge_create();
51*43369e13Slclee struct que_obj *qsort_create();
52*43369e13Slclee struct que_obj *qtag_create();
53*43369e13Slclee 
547c478bd9Sstevel@tonic-gate #define	QUE_INIT(X, lkarg) (*((struct que_obj *)(X))->que_ops->que_init) \
557c478bd9Sstevel@tonic-gate 	(((struct que_obj *)(X))->que_data, (lkarg))
567c478bd9Sstevel@tonic-gate #define	QUE_FREE(X) (*((struct que_obj *)(X))->que_ops->que_free) ((X))
577c478bd9Sstevel@tonic-gate #define	QUE_ADD(X, bp) (*((struct que_obj *)(X))->que_ops->que_ins) \
587c478bd9Sstevel@tonic-gate 	(((struct que_obj *)(X))->que_data, (bp))
597c478bd9Sstevel@tonic-gate #define	QUE_DEL(X) (*((struct que_obj *)(X))->que_ops->que_del) \
607c478bd9Sstevel@tonic-gate 	(((struct que_obj *)(X))->que_data)
617c478bd9Sstevel@tonic-gate 
627c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
637c478bd9Sstevel@tonic-gate }
647c478bd9Sstevel@tonic-gate #endif
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate #endif	/* _SYS_DKTP_QUEUE_H */
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