xref: /freebsd/sys/vm/vm_extern.h (revision afe61c15161c324a7af299a9b8457aba5afc92db)
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.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)vm_extern.h	8.2 (Berkeley) 1/12/94
34  */
35 
36 struct buf;
37 struct loadavg;
38 struct proc;
39 struct vmspace;
40 struct vmtotal;
41 struct mount;
42 struct vnode;
43 
44 #ifdef KGDB
45 void		 chgkprot __P((caddr_t, int, int));
46 #endif
47 
48 /*
49  * Try to get semi-meaningful wait messages into thread_sleep...
50  */
51 extern void thread_sleep_(int, simple_lock_t, char *);
52 #if __GNUC__ >= 2
53 #define thread_sleep(a,b,c) thread_sleep_((a), (b), __FUNCTION__)
54 #else
55 #define thread_sleep(a,b,c) thread_sleep_((a), (b), "vmslp")
56 #endif
57 
58 #ifdef KERNEL
59 #ifdef TYPEDEF_FOR_UAP
60 int		 getpagesize __P((struct proc *p, void *, int *));
61 int		 madvise __P((struct proc *, void *, int *));
62 int		 mincore __P((struct proc *, void *, int *));
63 int		 mprotect __P((struct proc *, void *, int *));
64 int		 msync __P((struct proc *, void *, int *));
65 int		 munmap __P((struct proc *, void *, int *));
66 int		 obreak __P((struct proc *, void *, int *));
67 int		 sbrk __P((struct proc *, void *, int *));
68 int		 smmap __P((struct proc *, void *, int *));
69 int		 sstk __P((struct proc *, void *, int *));
70 #endif
71 
72 void		 assert_wait __P((int, boolean_t));
73 int		 grow __P((struct proc *, u_int));
74 void		 iprintf __P((const char *, ...));
75 int		 kernacc __P((caddr_t, int, int));
76 int		 kinfo_loadavg __P((int, char *, int *, int, int *));
77 int		 kinfo_meter __P((int, caddr_t, int *, int, int *));
78 vm_offset_t	 kmem_alloc __P((vm_map_t, vm_size_t));
79 vm_offset_t	 kmem_alloc_pageable __P((vm_map_t, vm_size_t));
80 vm_offset_t	 kmem_alloc_wait __P((vm_map_t, vm_size_t));
81 void		 kmem_free __P((vm_map_t, vm_offset_t, vm_size_t));
82 void		 kmem_free_wakeup __P((vm_map_t, vm_offset_t, vm_size_t));
83 void		 kmem_init __P((vm_offset_t, vm_offset_t));
84 vm_offset_t	 kmem_malloc __P((vm_map_t, vm_size_t, boolean_t));
85 vm_map_t	 kmem_suballoc __P((vm_map_t, vm_offset_t *, vm_offset_t *,
86 		    vm_size_t, boolean_t));
87 void		 loadav __P((struct loadavg *));
88 void		 munmapfd __P((int));
89 int		 pager_cache __P((vm_object_t, boolean_t));
90 void		 sched __P((void));
91 int		 svm_allocate __P((struct proc *, void *, int *));
92 int		 svm_deallocate __P((struct proc *, void *, int *));
93 int		 svm_inherit __P((struct proc *, void *, int *));
94 int		 svm_protect __P((struct proc *, void *, int *));
95 void		 swapinit __P((void));
96 int		 swapon __P((struct proc *, void *, int *));
97 void		 swapout __P((struct proc *));
98 void		 swapout_threads __P((void));
99 int		 swfree __P((struct proc *, int));
100 void		 swstrategy __P((struct buf *));
101 void		 thread_block __P((char *));
102 void		 thread_sleep __P((int, simple_lock_t, boolean_t));
103 void		 thread_wakeup __P((int));
104 int		 useracc __P((caddr_t, int, int));
105 int		 vm_allocate __P((vm_map_t,
106 		    vm_offset_t *, vm_size_t, boolean_t));
107 int		 vm_allocate_with_pager __P((vm_map_t, vm_offset_t *,
108 		    vm_size_t, boolean_t, vm_pager_t, vm_offset_t, boolean_t));
109 int		 vm_deallocate __P((vm_map_t, vm_offset_t, vm_size_t));
110 int		 vm_fault __P((vm_map_t, vm_offset_t, vm_prot_t, boolean_t));
111 void		 vm_fault_copy_entry __P((vm_map_t,
112 		    vm_map_t, vm_map_entry_t, vm_map_entry_t));
113 void		 vm_fault_unwire __P((vm_map_t, vm_offset_t, vm_offset_t));
114 int		 vm_fault_wire __P((vm_map_t, vm_offset_t, vm_offset_t));
115 int		 vm_fork __P((struct proc *, struct proc *, int));
116 int		 vm_inherit __P((vm_map_t,
117 		    vm_offset_t, vm_size_t, vm_inherit_t));
118 void		 vm_init_limits __P((struct proc *));
119 void		 vm_mem_init __P((void));
120 int		 vm_mmap __P((vm_map_t, vm_offset_t *, vm_size_t,
121 		    vm_prot_t, vm_prot_t, int, caddr_t, vm_offset_t));
122 int		 vm_protect __P((vm_map_t,
123 		    vm_offset_t, vm_size_t, boolean_t, vm_prot_t));
124 void		 vm_set_page_size __P((void));
125 void		 vmmeter __P((void));
126 struct vmspace	*vmspace_alloc __P((vm_offset_t, vm_offset_t, int));
127 struct vmspace	*vmspace_fork __P((struct vmspace *));
128 void		 vmspace_free __P((struct vmspace *));
129 void		 vmtotal __P((struct vmtotal *));
130 void		 vnode_pager_setsize __P((struct vnode *, u_long));
131 void		 vnode_pager_umount __P((struct mount *));
132 boolean_t	 vnode_pager_uncache __P((struct vnode *));
133 void		 vslock __P((caddr_t, u_int));
134 void		 vsunlock __P((caddr_t, u_int, int));
135 #endif
136