65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/* $NetBSD: vm_swap.h,v 1.8 1998/02/10 14:09:08 mrg Exp $ */
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/*
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* Copyright (c) 1995, 1996 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _VM_VM_SWAP_H_
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#define _VM_VM_SWAP_H_
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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_uvm.h"
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#endif
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/* These structures are used to return swap information for userland */
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struct swapent {
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dev_t se_dev;
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int se_flags;
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int se_nblks;
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int se_inuse;
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int se_priority;
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};
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#define SWAP_ON 1
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#define SWAP_OFF 2
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#define SWAP_NSWAP 3
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#define SWAP_STATS 4
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#define SWAP_CTL 5
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#define SWF_INUSE 0x00000001
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#define SWF_ENABLE 0x00000002
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#define SWF_BUSY 0x00000004
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#define SWF_FAKE 0x00000008
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#if defined(_KERNEL) && !defined(UVM)
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daddr_t swap_alloc __P((int size));
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void swap_free __P((int size, daddr_t addr));
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void swapinit __P((void));
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#endif
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#endif /* _VM_VM_SWAP_H_ */
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