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/* $OpenBSD: uvm_map.h,v 1.5 2001/01/29 02:07:46 niklas Exp $ */
/* $NetBSD: uvm_map.h,v 1.14 1999/05/26 19:16:36 thorpej Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
* Copyright (c) 1991, 1993, The Regents of the University of California.
*
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* The Mach Operating System project at Carnegie-Mellon University.
*
* 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,
* Washington University, the University of California, Berkeley and
* its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)vm_map.h 8.3 (Berkeley) 3/15/94
* from: Id: uvm_map.h,v 1.1.2.3 1998/02/07 01:16:55 chs Exp
*
*
* Copyright (c) 1987, 1990 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 the
* rights to redistribute these changes.
*/
#ifndef _UVM_UVM_MAP_H_
#define _UVM_UVM_MAP_H_
/*
* uvm_map.h
*/
/*
* macros
*/
/*
* UVM_MAP_CLIP_START: ensure that the entry begins at or after
* the starting address, if it doesn't we split the entry.
*
* => map must be locked by caller
*/
#define UVM_MAP_CLIP_START(MAP,ENTRY,VA) { \
if ((VA) > (ENTRY)->start) uvm_map_clip_start(MAP,ENTRY,VA); }
/*
* UVM_MAP_CLIP_END: ensure that the entry ends at or before
* the ending address, if it does't we split the entry.
*
* => map must be locked by caller
*/
#define UVM_MAP_CLIP_END(MAP,ENTRY,VA) { \
if ((VA) < (ENTRY)->end) uvm_map_clip_end(MAP,ENTRY,VA); }
/*
* extract flags
*/
#define UVM_EXTRACT_REMOVE 0x1 /* remove mapping from old map */
#define UVM_EXTRACT_CONTIG 0x2 /* try to keep it contig */
#define UVM_EXTRACT_QREF 0x4 /* use quick refs */
#define UVM_EXTRACT_FIXPROT 0x8 /* set prot to maxprot as we go */
/*
* handle inline options
*/
#ifdef UVM_MAP_INLINE
#define MAP_INLINE static __inline
#else
#define MAP_INLINE /* nothing */
#endif /* UVM_MAP_INLINE */
/*
* globals:
*/
#ifdef PMAP_GROWKERNEL
extern vaddr_t uvm_maxkaddr;
#endif
/*
* protos: the following prototypes define the interface to vm_map
*/
MAP_INLINE
void uvm_map_deallocate __P((vm_map_t));
int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int));
void uvm_map_clip_start __P((vm_map_t,
vm_map_entry_t, vaddr_t));
void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t,
vaddr_t));
MAP_INLINE
vm_map_t uvm_map_create __P((pmap_t, vaddr_t,
vaddr_t, int));
int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t,
vm_map_t, vaddr_t *, int));
vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t,
vaddr_t *, struct uvm_object *, vaddr_t,
boolean_t));
int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t,
vm_inherit_t));
int uvm_map_advice __P((vm_map_t, vaddr_t, vaddr_t, int));
void uvm_map_init __P((void));
boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t,
vm_map_entry_t *));
MAP_INLINE
void uvm_map_reference __P((vm_map_t));
int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t,
vm_map_entry_t, int));
int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t,
vaddr_t *));
void uvm_map_setup __P((vm_map_t, vaddr_t,
vaddr_t, int));
int uvm_map_submap __P((vm_map_t, vaddr_t,
vaddr_t, vm_map_t));
MAP_INLINE
int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t));
void uvm_unmap_detach __P((vm_map_entry_t,int));
int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t,
vm_map_entry_t *));
struct vmspace *uvmspace_fork __P((struct vmspace *));
#endif /* _UVM_UVM_MAP_H_ */
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