sys/uvm/uvm_fault.h

1.20     chuck /*	$NetBSD: uvm_fault.h,v 1.20 2011/02/02 15:13:34 chuck Exp $	*/
 1.1       mrg
 1.1       mrg /*
 1.1       mrg  * Copyright (c) 1997 Charles D. Cranor and Washington University.
 1.1       mrg  * All rights reserved.
 1.1       mrg  *
 1.1       mrg  * Redistribution and use in source and binary forms, with or without
 1.1       mrg  * modification, are permitted provided that the following conditions
 1.1       mrg  * are met:
 1.1       mrg  * 1. Redistributions of source code must retain the above copyright
 1.1       mrg  *    notice, this list of conditions and the following disclaimer.
 1.1       mrg  * 2. Redistributions in binary form must reproduce the above copyright
 1.1       mrg  *    notice, this list of conditions and the following disclaimer in the
 1.1       mrg  *    documentation and/or other materials provided with the distribution.
 1.1       mrg  *
 1.1       mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 1.1       mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 1.1       mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 1.1       mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 1.1       mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 1.1       mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 1.1       mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 1.1       mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 1.1       mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 1.1       mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 1.3       mrg  *
 1.3       mrg  * from: Id: uvm_fault.h,v 1.1.2.2 1997/12/08 16:07:12 chuck Exp
 1.1       mrg  */
 1.1       mrg
 1.4     perry #ifndef _UVM_UVM_FAULT_H_
 1.4     perry #define _UVM_UVM_FAULT_H_
 1.4     perry
 1.1       mrg /*
 1.1       mrg  * fault data structures
 1.1       mrg  */
 1.1       mrg
 1.1       mrg /*
 1.1       mrg  * uvm_faultinfo: to load one of these fill in all orig_* fields and
 1.1       mrg  * then call uvmfault_lookup on it.
 1.1       mrg  */
 1.1       mrg
 1.1       mrg
 1.1       mrg struct uvm_faultinfo {
1.15       chs 	struct vm_map *orig_map;		/* IN: original map */
 1.7     chuck 	vaddr_t orig_rvaddr;		/* IN: original rounded VA */
 1.7     chuck 	vsize_t orig_size;		/* IN: original size of interest */
1.15       chs 	struct vm_map *map;			/* map (could be a submap) */
 1.7     chuck 	unsigned int mapv;		/* map's version number */
1.15       chs 	struct vm_map_entry *entry;		/* map entry (from 'map') */
 1.6       eeh 	vsize_t size;			/* size of interest */
 1.1       mrg };
 1.1       mrg
1.13   thorpej #ifdef _KERNEL
1.13   thorpej
 1.1       mrg /*
 1.1       mrg  * fault prototypes
 1.1       mrg  */
 1.1       mrg
1.17  junyoung int uvmfault_anonget(struct uvm_faultinfo *, struct vm_amap *,
1.17  junyoung 		     struct vm_anon *);
 1.1       mrg
1.19  drochner int uvm_fault_wire(struct vm_map *, vaddr_t, vaddr_t, vm_prot_t, int);
1.17  junyoung void uvm_fault_unwire(struct vm_map *, vaddr_t, vaddr_t);
1.17  junyoung void uvm_fault_unwire_locked(struct vm_map *, vaddr_t, vaddr_t);
1.13   thorpej
1.13   thorpej #endif /* _KERNEL */
 1.1       mrg
 1.4     perry #endif /* _UVM_UVM_FAULT_H_ */