702 lines
23 KiB
C
702 lines
23 KiB
C
/* $NetBSD: uvm_extern.h,v 1.84 2003/08/11 16:33:30 pk Exp $ */
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/*
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*
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* Copyright (c) 1997 Charles D. Cranor and Washington University.
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* All rights reserved.
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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 and
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* Washington University.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from: Id: uvm_extern.h,v 1.1.2.21 1998/02/07 01:16:53 chs Exp
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*/
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/*-
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* Copyright (c) 1991, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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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. 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_extern.h 8.5 (Berkeley) 5/3/95
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*/
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#ifndef _UVM_UVM_EXTERN_H_
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#define _UVM_UVM_EXTERN_H_
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/*
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* uvm_extern.h: this file defines the external interface to the VM system.
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*
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* this should be the only file included by non-VM parts of the kernel
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* which need access to VM services. if you want to know the interface
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* to the MI VM layer without knowing the details, this is the file to
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* learn.
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*
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* NOTE: vm system calls are prototyped in syscallargs.h
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*/
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/*
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* typedefs, necessary for standard UVM headers.
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*/
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typedef unsigned int uvm_flag_t;
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typedef int vm_fault_t;
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typedef int vm_inherit_t; /* XXX: inheritance codes */
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typedef off_t voff_t; /* XXX: offset within a uvm_object */
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/*
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* defines
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*/
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/*
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* the following defines are for uvm_map and functions which call it.
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*/
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/* protections bits */
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#define UVM_PROT_MASK 0x07 /* protection mask */
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#define UVM_PROT_NONE 0x00 /* protection none */
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#define UVM_PROT_ALL 0x07 /* everything */
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#define UVM_PROT_READ 0x01 /* read */
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#define UVM_PROT_WRITE 0x02 /* write */
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#define UVM_PROT_EXEC 0x04 /* exec */
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/* protection short codes */
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#define UVM_PROT_R 0x01 /* read */
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#define UVM_PROT_W 0x02 /* write */
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#define UVM_PROT_RW 0x03 /* read-write */
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#define UVM_PROT_X 0x04 /* exec */
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#define UVM_PROT_RX 0x05 /* read-exec */
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#define UVM_PROT_WX 0x06 /* write-exec */
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#define UVM_PROT_RWX 0x07 /* read-write-exec */
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/* 0x08: not used */
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/* inherit codes */
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#define UVM_INH_MASK 0x30 /* inherit mask */
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#define UVM_INH_SHARE 0x00 /* "share" */
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#define UVM_INH_COPY 0x10 /* "copy" */
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#define UVM_INH_NONE 0x20 /* "none" */
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#define UVM_INH_DONATE 0x30 /* "donate" << not used */
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/* 0x40, 0x80: not used */
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/* bits 0x700: max protection, 0x800: not used */
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/* bits 0x7000: advice, 0x8000: not used */
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/* advice: matches MADV_* from sys/mman.h */
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#define UVM_ADV_NORMAL 0x0 /* 'normal' */
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#define UVM_ADV_RANDOM 0x1 /* 'random' */
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#define UVM_ADV_SEQUENTIAL 0x2 /* 'sequential' */
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/* 0x3: will need, 0x4: dontneed */
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#define UVM_ADV_MASK 0x7 /* mask */
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/* mapping flags */
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#define UVM_FLAG_FIXED 0x010000 /* find space */
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#define UVM_FLAG_OVERLAY 0x020000 /* establish overlay */
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#define UVM_FLAG_NOMERGE 0x040000 /* don't merge map entries */
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#define UVM_FLAG_COPYONW 0x080000 /* set copy_on_write flag */
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#define UVM_FLAG_AMAPPAD 0x100000 /* for bss: pad amap to reduce malloc() */
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#define UVM_FLAG_TRYLOCK 0x200000 /* fail if we can not lock map */
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#define UVM_FLAG_NOWAIT 0x400000 /* not allowed to sleep */
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/* macros to extract info */
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#define UVM_PROTECTION(X) ((X) & UVM_PROT_MASK)
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#define UVM_INHERIT(X) (((X) & UVM_INH_MASK) >> 4)
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#define UVM_MAXPROTECTION(X) (((X) >> 8) & UVM_PROT_MASK)
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#define UVM_ADVICE(X) (((X) >> 12) & UVM_ADV_MASK)
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#define UVM_MAPFLAG(PROT,MAXPROT,INH,ADVICE,FLAGS) \
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((MAXPROT << 8)|(PROT)|(INH)|((ADVICE) << 12)|(FLAGS))
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/* magic offset value: offset not known(obj) or don't care(!obj) */
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#define UVM_UNKNOWN_OFFSET ((voff_t) -1)
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/*
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* the following defines are for uvm_km_kmemalloc's flags
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*/
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#define UVM_KMF_VALLOC 0x1 /* allocate VA only */
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#define UVM_KMF_CANFAIL 0x2 /* caller handles failure */
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#define UVM_KMF_TRYLOCK UVM_FLAG_TRYLOCK /* try locking only */
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#define UVM_KMF_NOWAIT UVM_FLAG_NOWAIT /* not allowed to sleep */
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/*
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* the following defines the strategies for uvm_pagealloc_strat()
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*/
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#define UVM_PGA_STRAT_NORMAL 0 /* high -> low free list walk */
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#define UVM_PGA_STRAT_ONLY 1 /* only specified free list */
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#define UVM_PGA_STRAT_FALLBACK 2 /* ONLY falls back on NORMAL */
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/*
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* flags for uvm_pagealloc_strat()
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*/
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#define UVM_PGA_USERESERVE 0x0001 /* ok to use reserve pages */
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#define UVM_PGA_ZERO 0x0002 /* returned page must be zero'd */
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/*
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* the following defines are for ubc_alloc's flags
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*/
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#define UBC_READ 0x01
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#define UBC_WRITE 0x02
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#define UBC_FAULTBUSY 0x04
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/*
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* flags for uvn_findpages().
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*/
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#define UFP_ALL 0x00
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#define UFP_NOWAIT 0x01
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#define UFP_NOALLOC 0x02
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#define UFP_NOCACHE 0x04
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#define UFP_NORDONLY 0x08
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#define UFP_DIRTYONLY 0x10
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#define UFP_BACKWARD 0x20
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/*
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* lockflags that control the locking behavior of various functions.
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*/
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#define UVM_LK_ENTER 0x00000001 /* map locked on entry */
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#define UVM_LK_EXIT 0x00000002 /* leave map locked on exit */
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/*
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* structures
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*/
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struct core;
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struct mount;
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struct pglist;
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struct proc;
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struct ucred;
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struct uio;
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struct uvm_object;
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struct vm_anon;
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struct vmspace;
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struct pmap;
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struct vnode;
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struct pool;
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struct simplelock;
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struct vm_map_entry;
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struct vm_map;
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struct vm_page;
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extern struct pool *uvm_aiobuf_pool;
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/*
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* uvmexp: global data structures that are exported to parts of the kernel
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* other than the vm system.
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*/
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struct uvmexp {
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/* vm_page constants */
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int pagesize; /* size of a page (PAGE_SIZE): must be power of 2 */
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int pagemask; /* page mask */
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int pageshift; /* page shift */
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/* vm_page counters */
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int npages; /* number of pages we manage */
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int free; /* number of free pages */
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int active; /* number of active pages */
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int inactive; /* number of pages that we free'd but may want back */
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int paging; /* number of pages in the process of being paged out */
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int wired; /* number of wired pages */
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/*
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* Adding anything before this line will break binary compatibility
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* with top(1) on NetBSD 1.5.
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*/
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int ncolors; /* number of page color buckets: must be p-o-2 */
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int colormask; /* color bucket mask */
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int zeropages; /* number of zero'd pages */
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int reserve_pagedaemon; /* number of pages reserved for pagedaemon */
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int reserve_kernel; /* number of pages reserved for kernel */
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int anonpages; /* number of pages used by anon mappings */
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int filepages; /* number of pages used by cached file data */
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int execpages; /* number of pages used by cached exec date */
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/* pageout params */
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int freemin; /* min number of free pages */
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int freetarg; /* target number of free pages */
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int inactarg; /* target number of inactive pages */
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int wiredmax; /* max number of wired pages */
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int anonmin; /* min threshold for anon pages */
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int execmin; /* min threshold for executable pages */
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int filemin; /* min threshold for file pages */
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int anonminpct; /* min percent anon pages */
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int execminpct; /* min percent executable pages */
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int fileminpct; /* min percent file pages */
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int anonmax; /* max threshold for anon pages */
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int execmax; /* max threshold for executable pages */
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int filemax; /* max threshold for file pages */
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int anonmaxpct; /* max percent anon pages */
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int execmaxpct; /* max percent executable pages */
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int filemaxpct; /* max percent file pages */
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/* swap */
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int nswapdev; /* number of configured swap devices in system */
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int swpages; /* number of PAGE_SIZE'ed swap pages */
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int swpgavail; /* number of swap pages currently available */
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int swpginuse; /* number of swap pages in use */
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int swpgonly; /* number of swap pages in use, not also in RAM */
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int nswget; /* number of times fault calls uvm_swap_get() */
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int nanon; /* number total of anon's in system */
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int nanonneeded;/* number of anons currently needed */
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int nfreeanon; /* number of free anon's */
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/* stat counters */
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int faults; /* page fault count */
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int traps; /* trap count */
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int intrs; /* interrupt count */
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int swtch; /* context switch count */
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int softs; /* software interrupt count */
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int syscalls; /* system calls */
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int pageins; /* pagein operation count */
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/* pageouts are in pdpageouts below */
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int swapins; /* swapins */
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int swapouts; /* swapouts */
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int pgswapin; /* pages swapped in */
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int pgswapout; /* pages swapped out */
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int forks; /* forks */
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int forks_ppwait; /* forks where parent waits */
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int forks_sharevm; /* forks where vmspace is shared */
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int pga_zerohit; /* pagealloc where zero wanted and zero
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was available */
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int pga_zeromiss; /* pagealloc where zero wanted and zero
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not available */
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int zeroaborts; /* number of times page zeroing was
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aborted */
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int colorhit; /* pagealloc where we got optimal color */
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int colormiss; /* pagealloc where we didn't */
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/* fault subcounters */
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int fltnoram; /* number of times fault was out of ram */
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int fltnoanon; /* number of times fault was out of anons */
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int fltpgwait; /* number of times fault had to wait on a page */
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int fltpgrele; /* number of times fault found a released page */
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int fltrelck; /* number of times fault relock called */
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int fltrelckok; /* number of times fault relock is a success */
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int fltanget; /* number of times fault gets anon page */
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int fltanretry; /* number of times fault retrys an anon get */
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int fltamcopy; /* number of times fault clears "needs copy" */
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int fltnamap; /* number of times fault maps a neighbor anon page */
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int fltnomap; /* number of times fault maps a neighbor obj page */
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int fltlget; /* number of times fault does a locked pgo_get */
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int fltget; /* number of times fault does an unlocked get */
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int flt_anon; /* number of times fault anon (case 1a) */
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int flt_acow; /* number of times fault anon cow (case 1b) */
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int flt_obj; /* number of times fault is on object page (2a) */
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int flt_prcopy; /* number of times fault promotes with copy (2b) */
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int flt_przero; /* number of times fault promotes with zerofill (2b) */
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/* daemon counters */
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int pdwoke; /* number of times daemon woke up */
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int pdrevs; /* number of times daemon rev'd clock hand */
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int pdswout; /* number of times daemon called for swapout */
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int pdfreed; /* number of pages daemon freed since boot */
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int pdscans; /* number of pages daemon scanned since boot */
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int pdanscan; /* number of anonymous pages scanned by daemon */
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int pdobscan; /* number of object pages scanned by daemon */
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int pdreact; /* number of pages daemon reactivated since boot */
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int pdbusy; /* number of times daemon found a busy page */
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int pdpageouts; /* number of times daemon started a pageout */
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int pdpending; /* number of times daemon got a pending pagout */
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int pddeact; /* number of pages daemon deactivates */
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int pdreanon; /* anon pages reactivated due to thresholds */
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int pdrefile; /* file pages reactivated due to thresholds */
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int pdreexec; /* executable pages reactivated due to thresholds */
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};
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/*
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* The following structure is 64-bit alignment safe. New elements
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* should only be added to the end of this structure so binary
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* compatibility can be preserved.
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*/
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struct uvmexp_sysctl {
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int64_t pagesize;
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int64_t pagemask;
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int64_t pageshift;
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int64_t npages;
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int64_t free;
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int64_t active;
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int64_t inactive;
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int64_t paging;
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int64_t wired;
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int64_t zeropages;
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int64_t reserve_pagedaemon;
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int64_t reserve_kernel;
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int64_t freemin;
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int64_t freetarg;
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int64_t inactarg;
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int64_t wiredmax;
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int64_t nswapdev;
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int64_t swpages;
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int64_t swpginuse;
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int64_t swpgonly;
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int64_t nswget;
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int64_t nanon;
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int64_t nanonneeded;
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int64_t nfreeanon;
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int64_t faults;
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int64_t traps;
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int64_t intrs;
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int64_t swtch;
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int64_t softs;
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int64_t syscalls;
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int64_t pageins;
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int64_t swapins;
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int64_t swapouts;
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int64_t pgswapin;
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int64_t pgswapout;
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int64_t forks;
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int64_t forks_ppwait;
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int64_t forks_sharevm;
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int64_t pga_zerohit;
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int64_t pga_zeromiss;
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int64_t zeroaborts;
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int64_t fltnoram;
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int64_t fltnoanon;
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int64_t fltpgwait;
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int64_t fltpgrele;
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int64_t fltrelck;
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int64_t fltrelckok;
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int64_t fltanget;
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int64_t fltanretry;
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int64_t fltamcopy;
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int64_t fltnamap;
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int64_t fltnomap;
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int64_t fltlget;
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int64_t fltget;
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int64_t flt_anon;
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int64_t flt_acow;
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int64_t flt_obj;
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int64_t flt_prcopy;
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int64_t flt_przero;
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int64_t pdwoke;
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int64_t pdrevs;
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int64_t pdswout;
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int64_t pdfreed;
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int64_t pdscans;
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int64_t pdanscan;
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int64_t pdobscan;
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int64_t pdreact;
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int64_t pdbusy;
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int64_t pdpageouts;
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int64_t pdpending;
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int64_t pddeact;
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int64_t anonpages;
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int64_t filepages;
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int64_t execpages;
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int64_t colorhit;
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int64_t colormiss;
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int64_t ncolors;
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};
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#ifdef _KERNEL
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extern struct uvmexp uvmexp;
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#endif
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/*
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* Finally, bring in standard UVM headers.
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*/
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#include <sys/vmmeter.h>
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#include <sys/queue.h>
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#include <uvm/uvm_param.h>
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#include <sys/lock.h>
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#include <uvm/uvm_prot.h>
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#include <uvm/uvm_page.h>
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#include <uvm/uvm_pmap.h>
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#include <uvm/uvm_map.h>
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#include <uvm/uvm_fault.h>
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#include <uvm/uvm_pager.h>
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/*
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* Shareable process virtual address space.
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* May eventually be merged with vm_map.
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* Several fields are temporary (text, data stuff).
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*/
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struct vmspace {
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struct vm_map vm_map; /* VM address map */
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int vm_refcnt; /* number of references */
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caddr_t vm_shm; /* SYS5 shared memory private data XXX */
|
|
/* we copy from vm_startcopy to the end of the structure on fork */
|
|
#define vm_startcopy vm_rssize
|
|
segsz_t vm_rssize; /* current resident set size in pages */
|
|
segsz_t vm_swrss; /* resident set size before last swap */
|
|
segsz_t vm_tsize; /* text size (pages) XXX */
|
|
segsz_t vm_dsize; /* data size (pages) XXX */
|
|
segsz_t vm_ssize; /* stack size (pages) */
|
|
caddr_t vm_taddr; /* user virtual address of text XXX */
|
|
caddr_t vm_daddr; /* user virtual address of data XXX */
|
|
caddr_t vm_maxsaddr; /* user VA at max stack growth */
|
|
caddr_t vm_minsaddr; /* user VA at top of stack */
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
* used to keep state while iterating over the map for a core dump.
|
|
*/
|
|
struct uvm_coredump_state {
|
|
void *cookie; /* opaque for the caller */
|
|
vaddr_t start; /* start of region */
|
|
vaddr_t end; /* end of region */
|
|
vm_prot_t prot; /* protection of region */
|
|
int flags; /* flags; see below */
|
|
};
|
|
|
|
#define UVM_COREDUMP_STACK 0x01 /* region is user stack */
|
|
#define UVM_COREDUMP_NODUMP 0x02 /* don't actually dump this region */
|
|
|
|
/*
|
|
* the various kernel maps, owned by MD code
|
|
*/
|
|
extern struct vm_map *exec_map;
|
|
extern struct vm_map *kernel_map;
|
|
extern struct vm_map *kmem_map;
|
|
extern struct vm_map *mb_map;
|
|
extern struct vm_map *phys_map;
|
|
|
|
/*
|
|
* macros
|
|
*/
|
|
|
|
/* zalloc zeros memory, alloc does not */
|
|
#define uvm_km_zalloc(MAP,SIZE) uvm_km_alloc1(MAP,SIZE,TRUE)
|
|
#define uvm_km_alloc(MAP,SIZE) uvm_km_alloc1(MAP,SIZE,FALSE)
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#define vm_resident_count(vm) (pmap_resident_count((vm)->vm_map.pmap))
|
|
|
|
struct buf;
|
|
struct loadavg;
|
|
struct proc;
|
|
struct pmap;
|
|
struct vmspace;
|
|
struct vmtotal;
|
|
struct mount;
|
|
struct vnode;
|
|
struct core;
|
|
|
|
#ifdef _KERNEL
|
|
#include <sys/mallocvar.h>
|
|
MALLOC_DECLARE(M_VMMAP);
|
|
MALLOC_DECLARE(M_VMPMAP);
|
|
|
|
/* vm_machdep.c */
|
|
void vmapbuf __P((struct buf *, vsize_t));
|
|
void vunmapbuf __P((struct buf *, vsize_t));
|
|
void pagemove __P((caddr_t, caddr_t, size_t));
|
|
#ifndef cpu_swapin
|
|
void cpu_swapin __P((struct lwp *));
|
|
#endif
|
|
#ifndef cpu_swapout
|
|
void cpu_swapout __P((struct lwp *));
|
|
#endif
|
|
|
|
/* uvm_aobj.c */
|
|
struct uvm_object *uao_create __P((vsize_t, int));
|
|
void uao_detach __P((struct uvm_object *));
|
|
void uao_detach_locked __P((struct uvm_object *));
|
|
void uao_reference __P((struct uvm_object *));
|
|
void uao_reference_locked __P((struct uvm_object *));
|
|
|
|
/* uvm_bio.c */
|
|
void ubc_init __P((void));
|
|
void * ubc_alloc __P((struct uvm_object *, voff_t, vsize_t *,
|
|
int));
|
|
void ubc_release __P((void *, int));
|
|
void ubc_flush __P((struct uvm_object *, voff_t, voff_t));
|
|
|
|
/* uvm_fault.c */
|
|
int uvm_fault __P((struct vm_map *, vaddr_t, vm_fault_t,
|
|
vm_prot_t));
|
|
/* handle a page fault */
|
|
|
|
/* uvm_glue.c */
|
|
#if defined(KGDB)
|
|
void uvm_chgkprot __P((caddr_t, size_t, int));
|
|
#endif
|
|
void uvm_proc_fork __P((struct proc *, struct proc *, boolean_t));
|
|
void uvm_lwp_fork __P((struct lwp *, struct lwp *,
|
|
void *, size_t, void (*)(void *), void *));
|
|
int uvm_coredump_walkmap __P((struct proc *,
|
|
struct vnode *, struct ucred *,
|
|
int (*)(struct proc *, struct vnode *,
|
|
struct ucred *,
|
|
struct uvm_coredump_state *), void *));
|
|
void uvm_proc_exit __P((struct proc *));
|
|
void uvm_lwp_exit __P((struct lwp *));
|
|
void uvm_init_limits __P((struct proc *));
|
|
boolean_t uvm_kernacc __P((caddr_t, size_t, int));
|
|
__dead void uvm_scheduler __P((void)) __attribute__((noreturn));
|
|
void uvm_swapin __P((struct lwp *));
|
|
boolean_t uvm_uarea_alloc(vaddr_t *);
|
|
void uvm_uarea_free(vaddr_t);
|
|
boolean_t uvm_useracc __P((caddr_t, size_t, int));
|
|
int uvm_vslock __P((struct proc *, caddr_t, size_t,
|
|
vm_prot_t));
|
|
void uvm_vsunlock __P((struct proc *, caddr_t, size_t));
|
|
|
|
|
|
/* uvm_init.c */
|
|
void uvm_init __P((void));
|
|
|
|
/* uvm_io.c */
|
|
int uvm_io __P((struct vm_map *, struct uio *));
|
|
|
|
/* uvm_km.c */
|
|
vaddr_t uvm_km_alloc1 __P((struct vm_map *, vsize_t,
|
|
boolean_t));
|
|
void uvm_km_free __P((struct vm_map *, vaddr_t, vsize_t));
|
|
void uvm_km_free_wakeup __P((struct vm_map *, vaddr_t,
|
|
vsize_t));
|
|
vaddr_t uvm_km_kmemalloc __P((struct vm_map *, struct
|
|
uvm_object *, vsize_t, int));
|
|
struct vm_map *uvm_km_suballoc __P((struct vm_map *, vaddr_t *,
|
|
vaddr_t *, vsize_t, int, boolean_t,
|
|
struct vm_map *));
|
|
vaddr_t uvm_km_valloc __P((struct vm_map *, vsize_t));
|
|
vaddr_t uvm_km_valloc_align __P((struct vm_map *, vsize_t,
|
|
vsize_t));
|
|
vaddr_t uvm_km_valloc_wait __P((struct vm_map *, vsize_t));
|
|
vaddr_t uvm_km_valloc_prefer_wait __P((struct vm_map *, vsize_t,
|
|
voff_t));
|
|
vaddr_t uvm_km_alloc_poolpage1 __P((struct vm_map *,
|
|
struct uvm_object *, boolean_t));
|
|
void uvm_km_free_poolpage1 __P((struct vm_map *, vaddr_t));
|
|
|
|
#define uvm_km_alloc_poolpage(waitok) \
|
|
uvm_km_alloc_poolpage1(kmem_map, NULL, (waitok))
|
|
#define uvm_km_free_poolpage(addr) \
|
|
uvm_km_free_poolpage1(kmem_map, (addr))
|
|
|
|
/* uvm_map.c */
|
|
int uvm_map __P((struct vm_map *, vaddr_t *, vsize_t,
|
|
struct uvm_object *, voff_t, vsize_t,
|
|
uvm_flag_t));
|
|
int uvm_map_pageable __P((struct vm_map *, vaddr_t,
|
|
vaddr_t, boolean_t, int));
|
|
int uvm_map_pageable_all __P((struct vm_map *, int,
|
|
vsize_t));
|
|
boolean_t uvm_map_checkprot __P((struct vm_map *, vaddr_t,
|
|
vaddr_t, vm_prot_t));
|
|
int uvm_map_protect __P((struct vm_map *, vaddr_t,
|
|
vaddr_t, vm_prot_t, boolean_t));
|
|
struct vmspace *uvmspace_alloc __P((vaddr_t, vaddr_t));
|
|
void uvmspace_init __P((struct vmspace *, struct pmap *,
|
|
vaddr_t, vaddr_t));
|
|
void uvmspace_exec __P((struct lwp *, vaddr_t, vaddr_t));
|
|
struct vmspace *uvmspace_fork __P((struct vmspace *));
|
|
void uvmspace_free __P((struct vmspace *));
|
|
void uvmspace_share __P((struct proc *, struct proc *));
|
|
void uvmspace_unshare __P((struct lwp *));
|
|
|
|
|
|
/* uvm_meter.c */
|
|
void uvm_meter __P((void));
|
|
int uvm_sysctl __P((int *, u_int, void *, size_t *,
|
|
void *, size_t, struct proc *));
|
|
|
|
/* uvm_mmap.c */
|
|
int uvm_mmap __P((struct vm_map *, vaddr_t *, vsize_t,
|
|
vm_prot_t, vm_prot_t, int,
|
|
void *, voff_t, vsize_t));
|
|
|
|
/* uvm_page.c */
|
|
struct vm_page *uvm_pagealloc_strat __P((struct uvm_object *,
|
|
voff_t, struct vm_anon *, int, int, int));
|
|
#define uvm_pagealloc(obj, off, anon, flags) \
|
|
uvm_pagealloc_strat((obj), (off), (anon), (flags), \
|
|
UVM_PGA_STRAT_NORMAL, 0)
|
|
void uvm_pagerealloc __P((struct vm_page *,
|
|
struct uvm_object *, voff_t));
|
|
/* Actually, uvm_page_physload takes PF#s which need their own type */
|
|
void uvm_page_physload __P((paddr_t, paddr_t, paddr_t,
|
|
paddr_t, int));
|
|
void uvm_setpagesize __P((void));
|
|
|
|
/* uvm_pager.c */
|
|
void uvm_aio_biodone1 __P((struct buf *));
|
|
void uvm_aio_biodone __P((struct buf *));
|
|
void uvm_aio_aiodone __P((struct buf *));
|
|
|
|
/* uvm_pdaemon.c */
|
|
void uvm_pageout __P((void *));
|
|
void uvm_aiodone_daemon __P((void *));
|
|
|
|
/* uvm_pglist.c */
|
|
int uvm_pglistalloc __P((psize_t, paddr_t, paddr_t,
|
|
paddr_t, paddr_t, struct pglist *, int, int));
|
|
void uvm_pglistfree __P((struct pglist *));
|
|
|
|
/* uvm_swap.c */
|
|
void uvm_swap_init __P((void));
|
|
|
|
/* uvm_unix.c */
|
|
int uvm_grow __P((struct proc *, vaddr_t));
|
|
|
|
/* uvm_user.c */
|
|
void uvm_deallocate __P((struct vm_map *, vaddr_t, vsize_t));
|
|
|
|
/* uvm_vnode.c */
|
|
void uvm_vnp_setsize __P((struct vnode *, voff_t));
|
|
void uvm_vnp_sync __P((struct mount *));
|
|
struct uvm_object *uvn_attach __P((void *, vm_prot_t));
|
|
int uvn_findpages __P((struct uvm_object *, voff_t,
|
|
int *, struct vm_page **, int));
|
|
void uvm_vnp_zerorange __P((struct vnode *, off_t, size_t));
|
|
|
|
/* kern_malloc.c */
|
|
void kmeminit_nkmempages __P((void));
|
|
void kmeminit __P((void));
|
|
extern int nkmempages;
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _UVM_UVM_EXTERN_H_ */
|