172 lines
5.8 KiB
C
172 lines
5.8 KiB
C
/* $NetBSD: uvm_map.h,v 1.14 1999/05/26 19:16:36 thorpej Exp $ */
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/*
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* Copyright (c) 1997 Charles D. Cranor and Washington University.
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* Copyright (c) 1991, 1993, The Regents of the University of California.
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*
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* The Mach Operating System project at Carnegie-Mellon University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles D. Cranor,
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* Washington University, the University of California, Berkeley and
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* its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)vm_map.h 8.3 (Berkeley) 3/15/94
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* from: Id: uvm_map.h,v 1.1.2.3 1998/02/07 01:16:55 chs Exp
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*
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*
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* Copyright (c) 1987, 1990 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _UVM_UVM_MAP_H_
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#define _UVM_UVM_MAP_H_
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/*
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* uvm_map.h
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*/
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/*
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* macros
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*/
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/*
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* UVM_MAP_CLIP_START: ensure that the entry begins at or after
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* the starting address, if it doesn't we split the entry.
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*
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* => map must be locked by caller
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*/
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#define UVM_MAP_CLIP_START(MAP,ENTRY,VA) { \
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if ((VA) > (ENTRY)->start) uvm_map_clip_start(MAP,ENTRY,VA); }
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/*
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* UVM_MAP_CLIP_END: ensure that the entry ends at or before
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* the ending address, if it does't we split the entry.
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*
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* => map must be locked by caller
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*/
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#define UVM_MAP_CLIP_END(MAP,ENTRY,VA) { \
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if ((VA) < (ENTRY)->end) uvm_map_clip_end(MAP,ENTRY,VA); }
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/*
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* extract flags
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*/
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#define UVM_EXTRACT_REMOVE 0x1 /* remove mapping from old map */
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#define UVM_EXTRACT_CONTIG 0x2 /* try to keep it contig */
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#define UVM_EXTRACT_QREF 0x4 /* use quick refs */
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#define UVM_EXTRACT_FIXPROT 0x8 /* set prot to maxprot as we go */
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/*
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* handle inline options
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*/
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#ifdef UVM_MAP_INLINE
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#define MAP_INLINE static __inline
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#else
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#define MAP_INLINE /* nothing */
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#endif /* UVM_MAP_INLINE */
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/*
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* globals:
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*/
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#ifdef PMAP_GROWKERNEL
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extern vaddr_t uvm_maxkaddr;
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#endif
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/*
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* protos: the following prototypes define the interface to vm_map
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*/
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MAP_INLINE
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void uvm_map_deallocate __P((vm_map_t));
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int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int));
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void uvm_map_clip_start __P((vm_map_t,
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vm_map_entry_t, vaddr_t));
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void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t,
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vaddr_t));
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MAP_INLINE
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vm_map_t uvm_map_create __P((pmap_t, vaddr_t,
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vaddr_t, int));
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int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t,
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vm_map_t, vaddr_t *, int));
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vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t,
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vaddr_t *, struct uvm_object *, vaddr_t,
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boolean_t));
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int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t,
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vm_inherit_t));
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int uvm_map_advice __P((vm_map_t, vaddr_t, vaddr_t, int));
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void uvm_map_init __P((void));
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boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t,
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vm_map_entry_t *));
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MAP_INLINE
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void uvm_map_reference __P((vm_map_t));
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int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t,
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vm_map_entry_t, int));
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int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t,
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vaddr_t *));
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void uvm_map_setup __P((vm_map_t, vaddr_t,
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vaddr_t, int));
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int uvm_map_submap __P((vm_map_t, vaddr_t,
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vaddr_t, vm_map_t));
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MAP_INLINE
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int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t));
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void uvm_unmap_detach __P((vm_map_entry_t,int));
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int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t,
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vm_map_entry_t *));
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struct vmspace *uvmspace_fork __P((struct vmspace *));
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#endif /* _UVM_UVM_MAP_H_ */
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