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uvm_swap.h revision 1.18.4.1 
      1  1.18.4.1     yamt /*	$NetBSD: uvm_swap.h,v 1.18.4.1 2014/05/22 11:41:19 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  1.18.4.1     yamt struct lwp;
     43       1.6     manu 
     44      1.11     yamt #if defined(VMSWAP)
     45       1.7      mrg int	uvm_swap_get(struct vm_page *, int, int);
     46       1.7      mrg int	uvm_swap_put(int, struct vm_page **, int, int);
     47      1.15  thorpej int	uvm_swap_alloc(int *, bool);
     48       1.7      mrg void	uvm_swap_free(int, int);
     49       1.7      mrg void	uvm_swap_markbad(int, int);
     50      1.15  thorpej bool	uvm_swapisfull(void);
     51  1.18.4.1     yamt void	uvm_swap_stats(int, struct swapent *, int, register_t *);
     52      1.11     yamt #else /* defined(VMSWAP) */
     53      1.16  thorpej #define	uvm_swapisfull()	true
     54  1.18.4.1     yamt #define uvm_swap_stats(c, sep, count, retval) { *retval = 0; }
     55      1.11     yamt #endif /* defined(VMSWAP) */
     56  1.18.4.1     yamt void	uvm_swap_shutdown(struct lwp *);
     57       1.4  thorpej 
     58       1.4  thorpej #endif /* _KERNEL */
     59       1.1      mrg 
     60       1.1      mrg #endif /* _UVM_UVM_SWAP_H_ */
     61