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uvm_swap.h revision 1.16.42.1 
      1  1.16.42.1     yamt /*	$NetBSD: uvm_swap.h,v 1.16.42.1 2009/05/04 08:14:40 yamt Exp $	*/
      2        1.1      mrg 
      3        1.1      mrg /*
      4        1.1      mrg  * Copyright (c) 1997 Matthew R. Green
      5        1.1      mrg  * All rights reserved.
      6        1.1      mrg  *
      7        1.1      mrg  * Redistribution and use in source and binary forms, with or without
      8        1.1      mrg  * modification, are permitted provided that the following conditions
      9        1.1      mrg  * are met:
     10        1.1      mrg  * 1. Redistributions of source code must retain the above copyright
     11        1.1      mrg  *    notice, this list of conditions and the following disclaimer.
     12        1.1      mrg  * 2. Redistributions in binary form must reproduce the above copyright
     13        1.1      mrg  *    notice, this list of conditions and the following disclaimer in the
     14        1.1      mrg  *    documentation and/or other materials provided with the distribution.
     15        1.1      mrg  *
     16        1.1      mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17        1.1      mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18        1.1      mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19        1.1      mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20        1.1      mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21        1.1      mrg  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22        1.1      mrg  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23        1.1      mrg  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24        1.1      mrg  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25        1.1      mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26        1.1      mrg  * SUCH DAMAGE.
     27        1.3      mrg  *
     28        1.3      mrg  * from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp
     29        1.1      mrg  */
     30        1.1      mrg 
     31        1.1      mrg #ifndef _UVM_UVM_SWAP_H_
     32        1.1      mrg #define _UVM_UVM_SWAP_H_
     33        1.1      mrg 
     34        1.5      chs #define	SWSLOT_BAD	(-1)
     35        1.5      chs 
     36        1.4  thorpej #ifdef _KERNEL
     37       1.11     yamt #if defined(_KERNEL_OPT)
     38       1.11     yamt #include "opt_vmswap.h"
     39       1.11     yamt #endif
     40        1.4  thorpej 
     41        1.6     manu struct swapent;
     42        1.6     manu 
     43       1.11     yamt #if defined(VMSWAP)
     44        1.7      mrg int	uvm_swap_get(struct vm_page *, int, int);
     45        1.7      mrg int	uvm_swap_put(int, struct vm_page **, int, int);
     46       1.15  thorpej int	uvm_swap_alloc(int *, bool);
     47        1.7      mrg void	uvm_swap_free(int, int);
     48        1.7      mrg void	uvm_swap_markbad(int, int);
     49       1.15  thorpej bool	uvm_swapisfull(void);
     50       1.11     yamt #else /* defined(VMSWAP) */
     51       1.16  thorpej #define	uvm_swapisfull()	true
     52       1.11     yamt #endif /* defined(VMSWAP) */
     53       1.13     yamt void	uvm_swap_stats(int, struct swapent *, int, register_t *);
     54        1.4  thorpej 
     55        1.4  thorpej #endif /* _KERNEL */
     56        1.1      mrg 
     57        1.1      mrg #endif /* _UVM_UVM_SWAP_H_ */
     58