Home | History | Annotate | Line # | Download | only in uvm
uvm_swap.h revision 1.11 
      1  1.11     yamt /*	$NetBSD: uvm_swap.h,v 1.11 2005/09/13 22:00:05 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  * 3. The name of the author may not be used to endorse or promote products
     16   1.1      mrg  *    derived from this software without specific prior written permission.
     17   1.1      mrg  *
     18   1.1      mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19   1.1      mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20   1.1      mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21   1.1      mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22   1.1      mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23   1.1      mrg  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24   1.1      mrg  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25   1.1      mrg  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26   1.1      mrg  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27   1.1      mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28   1.1      mrg  * SUCH DAMAGE.
     29   1.3      mrg  *
     30   1.3      mrg  * from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp
     31   1.1      mrg  */
     32   1.1      mrg 
     33   1.1      mrg #ifndef _UVM_UVM_SWAP_H_
     34   1.1      mrg #define _UVM_UVM_SWAP_H_
     35   1.1      mrg 
     36   1.5      chs #define	SWSLOT_BAD	(-1)
     37   1.5      chs 
     38   1.4  thorpej #ifdef _KERNEL
     39  1.11     yamt #if defined(_KERNEL_OPT)
     40  1.11     yamt #if 0 /* notyet */
     41  1.11     yamt #include "opt_vmswap.h"
     42  1.11     yamt #else
     43  1.11     yamt #define	VMSWAP
     44  1.11     yamt #endif
     45  1.11     yamt #endif
     46   1.4  thorpej 
     47   1.6     manu struct swapent;
     48   1.6     manu 
     49  1.11     yamt #if defined(VMSWAP)
     50   1.7      mrg int	uvm_swap_get(struct vm_page *, int, int);
     51   1.7      mrg int	uvm_swap_put(int, struct vm_page **, int, int);
     52   1.7      mrg int	uvm_swap_alloc(int *, boolean_t);
     53   1.7      mrg void	uvm_swap_free(int, int);
     54   1.7      mrg void	uvm_swap_markbad(int, int);
     55   1.7      mrg void	uvm_swap_stats(int, struct swapent *, int, register_t *);
     56   1.8       pk boolean_t	uvm_swapisfull(void);
     57  1.11     yamt #else /* defined(VMSWAP) */
     58  1.11     yamt #define	uvm_swapisfull()	TRUE
     59  1.11     yamt #endif /* defined(VMSWAP) */
     60   1.4  thorpej 
     61   1.4  thorpej #endif /* _KERNEL */
     62   1.1      mrg 
     63   1.1      mrg #endif /* _UVM_UVM_SWAP_H_ */
     64