vm_extern.h revision 216731 
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 * 4. Neither the name of the University nor the names of its contributors
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: head/sys/vm/vm_extern.h 216731 2010-12-27 07:12:22Z alc $
31 */
32
33#ifndef _VM_EXTERN_H_
34#define	_VM_EXTERN_H_
35
36struct proc;
37struct vmspace;
38struct vnode;
39
40#ifdef _KERNEL
41
42int kernacc(void *, int, int);
43vm_offset_t kmem_alloc(vm_map_t, vm_size_t);
44vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, int flags,
45    vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr);
46vm_offset_t kmem_alloc_contig(vm_map_t map, vm_size_t size, int flags,
47    vm_paddr_t low, vm_paddr_t high, unsigned long alignment,
48    unsigned long boundary, vm_memattr_t memattr);
49vm_offset_t kmem_alloc_nofault(vm_map_t, vm_size_t);
50vm_offset_t kmem_alloc_nofault_space(vm_map_t, vm_size_t, int);
51vm_offset_t kmem_alloc_wait(vm_map_t, vm_size_t);
52void kmem_free(vm_map_t, vm_offset_t, vm_size_t);
53void kmem_free_wakeup(vm_map_t, vm_offset_t, vm_size_t);
54void kmem_init(vm_offset_t, vm_offset_t);
55vm_offset_t kmem_malloc(vm_map_t map, vm_size_t size, int flags);
56int kmem_back(vm_map_t, vm_offset_t, vm_size_t, int);
57vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t,
58    boolean_t);
59void swapout_procs(int);
60int useracc(void *, int, int);
61int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int);
62void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t,
63    vm_ooffset_t *);
64int vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type,
65    int fault_flags, vm_page_t *m_hold);
66int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len,
67    vm_prot_t prot, vm_page_t *ma, int max_count);
68void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t);
69int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t);
70int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int);
71void vm_waitproc(struct proc *);
72int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t);
73void vm_set_page_size(void);
74void vm_sync_icache(vm_map_t, vm_offset_t, vm_size_t);
75struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t);
76struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *);
77int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t);
78int vmspace_unshare(struct proc *);
79void vmspace_exit(struct thread *);
80struct vmspace *vmspace_acquire_ref(struct proc *);
81void vmspace_free(struct vmspace *);
82void vmspace_exitfree(struct proc *);
83void vnode_pager_setsize(struct vnode *, vm_ooffset_t);
84int vslock(void *, size_t);
85void vsunlock(void *, size_t);
86struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset);
87void vm_imgact_unmap_page(struct sf_buf *sf);
88void vm_thread_dispose(struct thread *td);
89int vm_thread_new(struct thread *td, int pages);
90#endif				/* _KERNEL */
91#endif				/* !_VM_EXTERN_H_ */
92