/*
* Copyright (c) 2000-2020 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
*/
/*
* File: vm/vm_fault.h
*
* Page fault handling module declarations.
*/
#ifndef _VM_VM_FAULT_H_
#define _VM_VM_FAULT_H_
#include <mach/mach_types.h>
#include <mach/kern_return.h>
#include <mach/boolean.h>
#include <mach/vm_prot.h>
#include <mach/vm_param.h>
#include <mach/vm_behavior.h>
#if XNU_KERNEL_PRIVATE
__enum_closed_decl(vm_fault_return_t, int, {
VM_FAULT_SUCCESS = 0,
VM_FAULT_RETRY = 1,
VM_FAULT_INTERRUPTED = 2,
VM_FAULT_MEMORY_SHORTAGE = 3,
VM_FAULT_MEMORY_ERROR = 5,
/* success but no VM page */
VM_FAULT_SUCCESS_NO_VM_PAGE = 6,
VM_FAULT_BUSY = 7,
});
#endif /* XNU_KERNEL_PRIVATE */
#if KERNEL_PRIVATE
/*
* Page fault handling based on vm_map (or entries therein)
*/
extern kern_return_t vm_fault(
vm_map_t map,
vm_map_offset_t vaddr,
vm_prot_t fault_type,
boolean_t change_wiring,
#if XNU_KERNEL_PRIVATE
vm_tag_t wire_tag, /* if wiring must pass tag != VM_KERN_MEMORY_NONE */
#endif
int interruptible,
pmap_t pmap,
vm_map_offset_t pmap_addr)
#if XNU_KERNEL_PRIVATE
__XNU_INTERNAL(vm_fault)
#endif
;
extern kern_return_t vm_pre_fault(
vm_map_offset_t offset,
vm_prot_t prot);
#endif /* KERNEL_PRIVATE */
#endif /* _VM_VM_FAULT_H_ */