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uvm_fault.h revision 1.18.6.1
      1  1.18.6.1    simonb /*	$NetBSD: uvm_fault.h,v 1.18.6.1 2006/04/22 11:40:28 simonb Exp $	*/
      2       1.1       mrg 
      3       1.1       mrg /*
      4       1.1       mrg  *
      5       1.1       mrg  * Copyright (c) 1997 Charles D. Cranor and Washington University.
      6       1.1       mrg  * All rights reserved.
      7       1.1       mrg  *
      8       1.1       mrg  * Redistribution and use in source and binary forms, with or without
      9       1.1       mrg  * modification, are permitted provided that the following conditions
     10       1.1       mrg  * are met:
     11       1.1       mrg  * 1. Redistributions of source code must retain the above copyright
     12       1.1       mrg  *    notice, this list of conditions and the following disclaimer.
     13       1.1       mrg  * 2. Redistributions in binary form must reproduce the above copyright
     14       1.1       mrg  *    notice, this list of conditions and the following disclaimer in the
     15       1.1       mrg  *    documentation and/or other materials provided with the distribution.
     16       1.1       mrg  * 3. All advertising materials mentioning features or use of this software
     17       1.1       mrg  *    must display the following acknowledgement:
     18       1.1       mrg  *      This product includes software developed by Charles D. Cranor and
     19       1.1       mrg  *      Washington University.
     20       1.1       mrg  * 4. The name of the author may not be used to endorse or promote products
     21       1.1       mrg  *    derived from this software without specific prior written permission.
     22       1.1       mrg  *
     23       1.1       mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24       1.1       mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25       1.1       mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26       1.1       mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27       1.1       mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28       1.1       mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29       1.1       mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30       1.1       mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31       1.1       mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32       1.1       mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33       1.3       mrg  *
     34       1.3       mrg  * from: Id: uvm_fault.h,v 1.1.2.2 1997/12/08 16:07:12 chuck Exp
     35       1.1       mrg  */
     36       1.1       mrg 
     37       1.4     perry #ifndef _UVM_UVM_FAULT_H_
     38       1.4     perry #define _UVM_UVM_FAULT_H_
     39       1.4     perry 
     40       1.1       mrg /*
     41       1.1       mrg  * fault data structures
     42       1.1       mrg  */
     43       1.1       mrg 
     44       1.1       mrg /*
     45       1.1       mrg  * uvm_faultinfo: to load one of these fill in all orig_* fields and
     46       1.1       mrg  * then call uvmfault_lookup on it.
     47       1.1       mrg  */
     48       1.1       mrg 
     49       1.1       mrg 
     50       1.1       mrg struct uvm_faultinfo {
     51      1.15       chs 	struct vm_map *orig_map;		/* IN: original map */
     52       1.7     chuck 	vaddr_t orig_rvaddr;		/* IN: original rounded VA */
     53       1.7     chuck 	vsize_t orig_size;		/* IN: original size of interest */
     54      1.15       chs 	struct vm_map *map;			/* map (could be a submap) */
     55       1.7     chuck 	unsigned int mapv;		/* map's version number */
     56      1.15       chs 	struct vm_map_entry *entry;		/* map entry (from 'map') */
     57       1.6       eeh 	vsize_t size;			/* size of interest */
     58       1.1       mrg };
     59       1.1       mrg 
     60      1.13   thorpej #ifdef _KERNEL
     61      1.13   thorpej 
     62       1.1       mrg /*
     63       1.1       mrg  * fault prototypes
     64       1.1       mrg  */
     65       1.1       mrg 
     66      1.17  junyoung int uvmfault_anonget(struct uvm_faultinfo *, struct vm_amap *,
     67      1.17  junyoung 		     struct vm_anon *);
     68       1.1       mrg 
     69  1.18.6.1    simonb int uvm_fault_wire(struct vm_map *, vaddr_t, vaddr_t, vm_prot_t, int);
     70      1.17  junyoung void uvm_fault_unwire(struct vm_map *, vaddr_t, vaddr_t);
     71      1.17  junyoung void uvm_fault_unwire_locked(struct vm_map *, vaddr_t, vaddr_t);
     72      1.13   thorpej 
     73      1.13   thorpej #endif /* _KERNEL */
     74       1.1       mrg 
     75       1.4     perry #endif /* _UVM_UVM_FAULT_H_ */
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