64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/* $NetBSD: vm_swap.h,v 1.4 1997/06/23 01:15:03 mrg Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995, 1996 Matthew R. Green
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Matthew R. Green for
|
|
* The NetBSD Foundation.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _VM_VM_SWAP_H_
|
|
#define _VM_VM_SWAP_H_
|
|
|
|
/* These structures are used to return swap information for userland */
|
|
struct swapent {
|
|
dev_t se_dev;
|
|
int se_flags;
|
|
int se_nblks;
|
|
int se_inuse;
|
|
int se_priority;
|
|
};
|
|
|
|
#define SWAP_ON 1
|
|
#define SWAP_OFF 2
|
|
#define SWAP_NSWAP 3
|
|
#define SWAP_STATS 4
|
|
#define SWAP_CTL 5
|
|
|
|
#define SWF_INUSE 0x00000001
|
|
#define SWF_ENABLE 0x00000002
|
|
|
|
#ifdef _KERNEL
|
|
int sys_swapctl __P((struct proc *, void *, register_t *));
|
|
daddr_t swap_alloc __P((int size));
|
|
void swap_free __P((int size, daddr_t addr));
|
|
void swapinit __P((void));
|
|
#endif
|
|
|
|
#endif /* _VM_VM_SWAP_H_ */
|