85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/* $NetBSD: uvm_fault.h,v 1.15 2001/06/02 18:09:26 chs Exp $ */
|
|
|
|
/*
|
|
*
|
|
* Copyright (c) 1997 Charles D. Cranor and Washington University.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Charles D. Cranor and
|
|
* Washington University.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* from: Id: uvm_fault.h,v 1.1.2.2 1997/12/08 16:07:12 chuck Exp
|
|
*/
|
|
|
|
#ifndef _UVM_UVM_FAULT_H_
|
|
#define _UVM_UVM_FAULT_H_
|
|
|
|
/*
|
|
* fault types
|
|
*/
|
|
|
|
#define VM_FAULT_INVALID ((vm_fault_t) 0x0) /* invalid mapping */
|
|
#define VM_FAULT_PROTECT ((vm_fault_t) 0x1) /* protection */
|
|
#define VM_FAULT_WIRE ((vm_fault_t) 0x2) /* wire mapping */
|
|
|
|
/*
|
|
* fault data structures
|
|
*/
|
|
|
|
/*
|
|
* uvm_faultinfo: to load one of these fill in all orig_* fields and
|
|
* then call uvmfault_lookup on it.
|
|
*/
|
|
|
|
|
|
struct uvm_faultinfo {
|
|
struct vm_map *orig_map; /* IN: original map */
|
|
vaddr_t orig_rvaddr; /* IN: original rounded VA */
|
|
vsize_t orig_size; /* IN: original size of interest */
|
|
struct vm_map *map; /* map (could be a submap) */
|
|
unsigned int mapv; /* map's version number */
|
|
struct vm_map_entry *entry; /* map entry (from 'map') */
|
|
vsize_t size; /* size of interest */
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
* fault prototypes
|
|
*/
|
|
|
|
|
|
int uvmfault_anonget __P((struct uvm_faultinfo *, struct vm_amap *,
|
|
struct vm_anon *));
|
|
|
|
int uvm_fault_wire __P((struct vm_map *, vaddr_t, vaddr_t, vm_prot_t));
|
|
void uvm_fault_unwire __P((struct vm_map *, vaddr_t, vaddr_t));
|
|
void uvm_fault_unwire_locked __P((struct vm_map *, vaddr_t, vaddr_t));
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _UVM_UVM_FAULT_H_ */
|