/* $NetBSD: uvm_map.h,v 1.15 1999/06/21 17:25:11 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 */ #ifdef _KERNEL /* * 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 /* _KERNEL */ #endif /* _UVM_UVM_MAP_H_ */