The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/uvm/uvm_pmap.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: uvm_pmap.h,v 1.18 2004/03/27 00:59:55 he Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1991, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * The Mach Operating System project at Carnegie-Mellon University.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)pmap.h      8.1 (Berkeley) 6/11/93
   35  *
   36  *
   37  * Copyright (c) 1987, 1990 Carnegie-Mellon University.
   38  * All rights reserved.
   39  *
   40  * Author: Avadis Tevanian, Jr.
   41  *
   42  * Permission to use, copy, modify and distribute this software and
   43  * its documentation is hereby granted, provided that both the copyright
   44  * notice and this permission notice appear in all copies of the
   45  * software, derivative works or modified versions, and any portions
   46  * thereof, and that both notices appear in supporting documentation.
   47  *
   48  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   49  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
   50  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   51  *
   52  * Carnegie Mellon requests users of this software to return to
   53  *
   54  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   55  *  School of Computer Science
   56  *  Carnegie Mellon University
   57  *  Pittsburgh PA 15213-3890
   58  *
   59  * any improvements or extensions that they make and grant Carnegie the
   60  * rights to redistribute these changes.
   61  */
   62 
   63 /*
   64  *      Machine address mapping definitions -- machine-independent
   65  *      section.  [For machine-dependent section, see "machine/pmap.h".]
   66  */
   67 
   68 #ifndef _PMAP_VM_
   69 #define _PMAP_VM_
   70 
   71 struct lwp;             /* for pmap_activate()/pmap_deactivate() proto */
   72 
   73 /*
   74  * Each machine dependent implementation is expected to
   75  * keep certain statistics.  They may do this anyway they
   76  * so choose, but are expected to return the statistics
   77  * in the following structure.
   78  */
   79 struct pmap_statistics {
   80         long            resident_count; /* # of pages mapped (total)*/
   81         long            wired_count;    /* # of pages wired */
   82 };
   83 typedef struct pmap_statistics  *pmap_statistics_t;
   84 
   85 #ifdef _KERNEL
   86 #include <machine/pmap.h>
   87 #endif
   88 
   89 /*
   90  * Flags passed to pmap_enter().  Note the bottom 3 bits are VM_PROT_*
   91  * bits, used to indicate the access type that was made (to seed modified
   92  * and referenced information).
   93  */
   94 #define PMAP_WIRED      0x00000010      /* wired mapping */
   95 #define PMAP_CANFAIL    0x00000020      /* can fail if resource shortage */
   96 
   97 #ifndef PMAP_EXCLUDE_DECLS      /* Used in Sparc port to virtualize pmap mod */
   98 #ifdef _KERNEL
   99 __BEGIN_DECLS
  100 #if !defined(pmap_kernel)
  101 struct pmap     *pmap_kernel(void);
  102 #endif
  103 
  104 void            pmap_activate(struct lwp *);
  105 void            pmap_deactivate(struct lwp *);
  106 void            pmap_unwire(pmap_t, vaddr_t);
  107 
  108 #if !defined(pmap_clear_modify)
  109 boolean_t       pmap_clear_modify(struct vm_page *);
  110 #endif
  111 #if !defined(pmap_clear_reference)
  112 boolean_t       pmap_clear_reference(struct vm_page *);
  113 #endif
  114 
  115 #if !defined(pmap_collect)
  116 void            pmap_collect(pmap_t);
  117 #endif
  118 #if !defined(pmap_copy)
  119 void            pmap_copy(pmap_t, pmap_t, vaddr_t, vsize_t, vaddr_t);
  120 #endif
  121 #if !defined(pmap_copy_page)
  122 void            pmap_copy_page(paddr_t, paddr_t);
  123 #endif
  124 struct pmap     *pmap_create(void);
  125 void            pmap_destroy(pmap_t);
  126 int             pmap_enter(pmap_t, vaddr_t, paddr_t, vm_prot_t, int);
  127 boolean_t       pmap_extract(pmap_t, vaddr_t, paddr_t *);
  128 #if defined(PMAP_GROWKERNEL)
  129 vaddr_t         pmap_growkernel(vaddr_t);
  130 #endif
  131 
  132 void            pmap_init(void);
  133 
  134 void            pmap_kenter_pa(vaddr_t, paddr_t, vm_prot_t);
  135 void            pmap_kremove(vaddr_t, vsize_t);
  136 #if !defined(pmap_is_modified)
  137 boolean_t       pmap_is_modified(struct vm_page *);
  138 #endif
  139 #if !defined(pmap_is_referenced)
  140 boolean_t       pmap_is_referenced(struct vm_page *);
  141 #endif
  142 
  143 void            pmap_page_protect(struct vm_page *, vm_prot_t);
  144 
  145 #if !defined(pmap_phys_address)
  146 paddr_t         pmap_phys_address(int);
  147 #endif
  148 void            pmap_protect(pmap_t, vaddr_t, vaddr_t, vm_prot_t);
  149 #if !defined(pmap_reference)
  150 void            pmap_reference(pmap_t);
  151 #endif
  152 #if !defined(pmap_remove)
  153 void            pmap_remove(pmap_t, vaddr_t, vaddr_t);
  154 #endif
  155 void            pmap_remove_all(struct pmap *);
  156 #if !defined(pmap_update)
  157 void            pmap_update(pmap_t);
  158 #endif
  159 #if !defined(pmap_resident_count)
  160 long            pmap_resident_count(pmap_t);
  161 #endif
  162 #if !defined(pmap_wired_count)
  163 long            pmap_wired_count(pmap_t);
  164 #endif
  165 #if !defined(pmap_zero_page)
  166 void            pmap_zero_page(paddr_t);
  167 #endif
  168 
  169 void            pmap_virtual_space(vaddr_t *, vaddr_t *);
  170 #if defined(PMAP_STEAL_MEMORY)
  171 vaddr_t         pmap_steal_memory(vsize_t, vaddr_t *, vaddr_t *);
  172 #endif
  173 
  174 #if defined(PMAP_FORK)
  175 void            pmap_fork(pmap_t, pmap_t);
  176 #endif
  177 __END_DECLS
  178 #endif  /* kernel*/
  179 #endif  /* PMAP_EXCLUDE_DECLS */
  180 
  181 #endif /* _PMAP_VM_ */

Cache object: ae49d9b28cea212fba4de9dc241ad8f6


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.