127 lines
4.9 KiB
C
127 lines
4.9 KiB
C
/* $NetBSD: uvm_page.h,v 1.5 1998/02/10 14:12:24 mrg Exp $ */
|
|
|
|
/*
|
|
* XXXCDC: "ROUGH DRAFT" QUALITY UVM PRE-RELEASE FILE!
|
|
* >>>USE AT YOUR OWN RISK, WORK IS NOT FINISHED<<<
|
|
*/
|
|
/*
|
|
* 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_page.h 7.3 (Berkeley) 4/21/91
|
|
* from: Id: uvm_page.h,v 1.1.2.6 1998/02/04 02:31:42 chuck 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_PAGE_H_
|
|
#define _UVM_UVM_PAGE_H_
|
|
|
|
/*
|
|
* uvm_page.h
|
|
*/
|
|
|
|
/*
|
|
* macros
|
|
*/
|
|
|
|
#define uvm_lock_pageq() simple_lock(&uvm.pageqlock)
|
|
#define uvm_unlock_pageq() simple_unlock(&uvm.pageqlock)
|
|
#define uvm_lock_fpageq() simple_lock(&uvm.fpageqlock)
|
|
#define uvm_unlock_fpageq() simple_unlock(&uvm.fpageqlock)
|
|
|
|
#define uvm_pagehash(obj,off) \
|
|
(((unsigned long)obj+(unsigned long)atop(off)) & uvm.page_hashmask)
|
|
|
|
/*
|
|
* handle inline options
|
|
*/
|
|
|
|
#ifdef UVM_PAGE_INLINE
|
|
#define PAGE_INLINE static __inline
|
|
#else
|
|
#define PAGE_INLINE /* nothing */
|
|
#endif /* UVM_PAGE_INLINE */
|
|
|
|
/*
|
|
* prototypes: the following prototypes define the interface to amaps
|
|
*/
|
|
|
|
void uvm_page_init __P((vm_offset_t *, vm_offset_t *));
|
|
#if defined(UVM_PAGE_TRKOWN)
|
|
void uvm_page_own __P((struct vm_page *, char *));
|
|
#endif
|
|
void uvm_page_rehash __P((void));
|
|
PAGE_INLINE void uvm_pageactivate __P((struct vm_page *));
|
|
vm_offset_t uvm_pageboot_alloc __P((vm_size_t));
|
|
PAGE_INLINE void uvm_pagecopy __P((struct vm_page *, struct vm_page *));
|
|
PAGE_INLINE void uvm_pagedeactivate __P((struct vm_page *));
|
|
void uvm_pagefree __P((struct vm_page *));
|
|
PAGE_INLINE struct vm_page *uvm_pagelookup
|
|
__P((struct uvm_object *, vm_offset_t));
|
|
void uvm_pageremove __P((struct vm_page *));
|
|
/* uvm_pagerename: not needed */
|
|
PAGE_INLINE void uvm_pageunwire __P((struct vm_page *));
|
|
PAGE_INLINE void uvm_pagewait __P((struct vm_page *, int));
|
|
PAGE_INLINE void uvm_pagewake __P((struct vm_page *));
|
|
PAGE_INLINE void uvm_pagewire __P((struct vm_page *, boolean_t));
|
|
PAGE_INLINE void uvm_pagezero __P((struct vm_page *));
|
|
|
|
#endif /* _UVM_UVM_PAGE_H_ */
|