kernel - Implement CPU localization hinting for low level page allocations
[dragonfly.git] / sys / vm / vm_extern.h
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1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
2c64e990 13 * 3. Neither the name of the University nor the names of its contributors
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)vm_extern.h 8.2 (Berkeley) 1/12/94
30 * $FreeBSD: src/sys/vm/vm_extern.h,v 1.46.2.3 2003/01/13 22:51:17 dillon Exp $
ba39e2e0 31 * $DragonFly: src/sys/vm/vm_extern.h,v 1.27 2007/04/30 07:18:57 dillon Exp $
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32 */
33
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34#ifndef _VM_VM_EXTERN_H_
35#define _VM_VM_EXTERN_H_
36
37#ifndef _SYS_TYPES_H_
38#include <sys/types.h>
39#endif
40#ifndef _VM_VM_MAP_H_
41#include <vm/vm_map.h>
42#endif
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43#ifndef _VM_VM_KERN_H_
44#include <vm/vm_kern.h>
45#endif
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46#ifndef _MACHINE_TYPES_H_
47#include <machine/types.h>
48#endif
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49
50struct buf;
51struct proc;
52struct vmspace;
53struct vmtotal;
54struct mount;
d3313941 55struct vmspace;
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56struct vnode;
57
58#ifdef _KERNEL
59
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60extern int vkernel_enable;
61
984263bc 62#ifdef TYPEDEF_FOR_UAP
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63int getpagesize (struct proc * p, void *, int *);
64int madvise (struct proc *, void *, int *);
65int mincore (struct proc *, void *, int *);
66int mprotect (struct proc *, void *, int *);
67int msync (struct proc *, void *, int *);
68int munmap (struct proc *, void *, int *);
69int obreak (struct proc *, void *, int *);
70int sbrk (struct proc *, void *, int *);
71int sstk (struct proc *, void *, int *);
72int swapon (struct proc *, void *, int *);
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73#endif
74
1388df65 75int grow (struct proc *, size_t);
6cebf0fc 76int kernacc(c_caddr_t, int, int);
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77vm_offset_t kmem_alloc3 (vm_map_t, vm_size_t, vm_subsys_t id, int flags);
78vm_offset_t kmem_alloc_nofault (vm_map_t, vm_size_t, vm_subsys_t id, vm_size_t);
79vm_offset_t kmem_alloc_pageable (vm_map_t, vm_size_t, vm_subsys_t id);
80vm_offset_t kmem_alloc_wait (vm_map_t, vm_size_t, vm_subsys_t id);
81vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, vm_subsys_t id,
82 int flags, vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr);
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83void kmem_free (vm_map_t, vm_offset_t, vm_size_t);
84void kmem_free_wakeup (vm_map_t, vm_offset_t, vm_size_t);
da23a592 85void kmem_init (void);
e4846942 86void kmem_suballoc (vm_map_t, vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t);
1388df65 87void munmapfd (struct proc *, int);
e427d475 88int swaponvp (struct thread *, struct vnode *, u_quad_t);
1388df65 89void swapout_procs (int);
6cebf0fc 90int useracc(c_caddr_t, int, int);
1388df65 91int vm_fault (vm_map_t, vm_offset_t, vm_prot_t, int);
4e158347 92vm_page_t vm_fault_page (vm_map_t, vm_offset_t, vm_prot_t, int, int *);
5a0e2a66 93vm_page_t vm_fault_page_quick (vm_offset_t, vm_prot_t, int *);
1388df65 94void vm_fault_copy_entry (vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t);
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95int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len,
96 vm_prot_t prot, vm_page_t *ma, int max_count);
f2d22ebf 97void vm_fault_unwire (vm_map_t, vm_map_entry_t);
06c66eb2 98int vm_fault_wire (vm_map_t, vm_map_entry_t, boolean_t, int);
13d13d89 99void vm_fork (struct proc *, struct proc *, int);
12052253 100int vm_test_nominal (void);
163f8d24 101void vm_wait_nominal (void);
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102void vm_init_limits(struct proc *);
103
1388df65 104int vm_mmap (vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, void *, vm_ooffset_t);
86269ee0 105int vm_mmap_to_errno(int rv);
79d182b0 106vm_offset_t kmem_alloc_contig (vm_offset_t, vm_paddr_t, vm_paddr_t, vm_offset_t);
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107void vm_set_page_size (void);
108struct vmspace *vmspace_alloc (vm_offset_t, vm_offset_t);
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109void vmspace_initrefs (struct vmspace *);
110int vmspace_getrefs (struct vmspace *);
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111void vmspace_hold (struct vmspace *);
112void vmspace_drop (struct vmspace *);
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113void vmspace_ref (struct vmspace *);
114void vmspace_rel (struct vmspace *);
115void vmspace_relexit (struct vmspace *);
116void vmspace_exitfree (struct proc *);
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117void *kmem_alloc_swapbacked(kmem_anon_desc_t *kp, vm_size_t size,
118 vm_subsys_t id);
8ec5b2c9 119void kmem_free_swapbacked(kmem_anon_desc_t *kp);
93f86408 120
1388df65 121struct vmspace *vmspace_fork (struct vmspace *);
29802dbb 122void vmspace_exec (struct proc *, struct vmspace *);
1388df65 123void vmspace_unshare (struct proc *);
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124void vslock (caddr_t, u_int);
125void vsunlock (caddr_t, u_int);
126void vm_object_print (/* db_expr_t */ long, boolean_t, /* db_expr_t */ long,
127 char *);
984263bc 128
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129static __inline
130vm_offset_t
3091de50 131kmem_alloc (vm_map_t map, vm_size_t size, vm_subsys_t id)
e1359933 132{
3091de50 133 return(kmem_alloc3(map, size, id, 0));
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134}
135
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136static __inline
137vm_offset_t
070a58b3 138kmem_alloc_stack (vm_map_t map, vm_size_t size, int kmflags)
e40cfbd7 139{
070a58b3 140 return(kmem_alloc3(map, size, VM_SUBSYS_STACK, kmflags|KM_STACK));
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141}
142
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143#endif /* _KERNEL */
144
1bd40720 145#endif /* !_VM_VM_EXTERN_H_ */