sad_conf.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1989-2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Config dependent data structures for the Streams Administrative Driver
* (or "Ballad of the SAD Cafe").
*/
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/stream.h>
#include <sys/sad.h>
#include <sys/kmem.h>
#ifndef NSAD
#define NSAD 16
#endif
struct saddev *saddev; /* sad device array */
int sadcnt = NSAD; /* number of sad devices */
/*
* Auto-push structures.
*/
#ifndef NAUTOPUSH
#define NAUTOPUSH 32
#endif
struct autopush *autopush;
int nautopush = NAUTOPUSH;
void
sad_initspace(void)
{
saddev = kmem_zalloc(sadcnt * sizeof (struct saddev), KM_SLEEP);
autopush = kmem_zalloc(nautopush * sizeof (struct autopush), KM_SLEEP);
strpcache = kmem_zalloc((strpmask + 1) * sizeof (struct autopush),
KM_SLEEP);
}