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uvm_fault.h revision 1.19.94.1 
      1  1.19.94.1    jruoho /*	$NetBSD: uvm_fault.h,v 1.19.94.1 2011/06/06 09:10:21 jruoho 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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