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      1  1.20     chuck /*	$NetBSD: uvm_fault.h,v 1.20 2011/02/02 15:13:34 chuck Exp $	*/
      2   1.1       mrg 
      3   1.1       mrg /*
      4   1.1       mrg  * Copyright (c) 1997 Charles D. Cranor and Washington University.
      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, BUT
     21   1.1       mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22   1.1       mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23   1.1       mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24   1.1       mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25   1.1       mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26   1.3       mrg  *
     27   1.3       mrg  * from: Id: uvm_fault.h,v 1.1.2.2 1997/12/08 16:07:12 chuck Exp
     28   1.1       mrg  */
     29   1.1       mrg 
     30   1.4     perry #ifndef _UVM_UVM_FAULT_H_
     31   1.4     perry #define _UVM_UVM_FAULT_H_
     32   1.4     perry 
     33   1.1       mrg /*
     34   1.1       mrg  * fault data structures
     35   1.1       mrg  */
     36   1.1       mrg 
     37   1.1       mrg /*
     38   1.1       mrg  * uvm_faultinfo: to load one of these fill in all orig_* fields and
     39   1.1       mrg  * then call uvmfault_lookup on it.
     40   1.1       mrg  */
     41   1.1       mrg 
     42   1.1       mrg 
     43   1.1       mrg struct uvm_faultinfo {
     44  1.15       chs 	struct vm_map *orig_map;		/* IN: original map */
     45   1.7     chuck 	vaddr_t orig_rvaddr;		/* IN: original rounded VA */
     46   1.7     chuck 	vsize_t orig_size;		/* IN: original size of interest */
     47  1.15       chs 	struct vm_map *map;			/* map (could be a submap) */
     48   1.7     chuck 	unsigned int mapv;		/* map's version number */
     49  1.15       chs 	struct vm_map_entry *entry;		/* map entry (from 'map') */
     50   1.6       eeh 	vsize_t size;			/* size of interest */
     51   1.1       mrg };
     52   1.1       mrg 
     53  1.13   thorpej #ifdef _KERNEL
     54  1.13   thorpej 
     55   1.1       mrg /*
     56   1.1       mrg  * fault prototypes
     57   1.1       mrg  */
     58   1.1       mrg 
     59  1.17  junyoung int uvmfault_anonget(struct uvm_faultinfo *, struct vm_amap *,
     60  1.17  junyoung 		     struct vm_anon *);
     61   1.1       mrg 
     62  1.19  drochner int uvm_fault_wire(struct vm_map *, vaddr_t, vaddr_t, vm_prot_t, int);
     63  1.17  junyoung void uvm_fault_unwire(struct vm_map *, vaddr_t, vaddr_t);
     64  1.17  junyoung void uvm_fault_unwire_locked(struct vm_map *, vaddr_t, vaddr_t);
     65  1.13   thorpej 
     66  1.13   thorpej #endif /* _KERNEL */
     67   1.1       mrg 
     68   1.4     perry #endif /* _UVM_UVM_FAULT_H_ */
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