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 * $FreeBSD: src/sys/vm/vm_extern.h,v 1.46.2.3 2003/01/13 22:51:17 dillon Exp $ 35 * $DragonFly: src/sys/vm/vm_extern.h,v 1.27 2007/04/30 07:18:57 dillon Exp $ 36 */ 37 38 #ifndef _VM_VM_EXTERN_H_ 39 #define _VM_VM_EXTERN_H_ 40 41 #ifndef _SYS_TYPES_H_ 42 #include <sys/types.h> 43 #endif 44 #ifndef _VM_VM_MAP_H_ 45 #include <vm/vm_map.h> 46 #endif 47 #ifndef _VM_VM_KERN_H_ 48 #include <vm/vm_kern.h> 49 #endif 50 #ifndef _MACHINE_TYPES_H_ 51 #include <machine/types.h> 52 #endif 53 54 struct buf; 55 struct proc; 56 struct vmspace; 57 struct vmtotal; 58 struct mount; 59 struct vmspace; 60 struct vnode; 61 62 #ifdef _KERNEL 63 64 extern int vkernel_enable; 65 66 #ifdef TYPEDEF_FOR_UAP 67 int getpagesize (struct proc * p, void *, int *); 68 int madvise (struct proc *, void *, int *); 69 int mincore (struct proc *, void *, int *); 70 int mprotect (struct proc *, void *, int *); 71 int msync (struct proc *, void *, int *); 72 int munmap (struct proc *, void *, int *); 73 int obreak (struct proc *, void *, int *); 74 int sbrk (struct proc *, void *, int *); 75 int sstk (struct proc *, void *, int *); 76 int swapon (struct proc *, void *, int *); 77 #endif 78 79 int grow (struct proc *, size_t); 80 int kernacc(c_caddr_t, int, int); 81 vm_offset_t kmem_alloc3 (vm_map_t, vm_size_t, int flags); 82 vm_offset_t kmem_alloc_nofault (vm_map_t, vm_size_t, vm_size_t); 83 vm_offset_t kmem_alloc_pageable (vm_map_t, vm_size_t); 84 vm_offset_t kmem_alloc_wait (vm_map_t, vm_size_t); 85 vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, int flags, 86 vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr); 87 void kmem_free (vm_map_t, vm_offset_t, vm_size_t); 88 void kmem_free_wakeup (vm_map_t, vm_offset_t, vm_size_t); 89 void kmem_init (void); 90 void kmem_suballoc (vm_map_t, vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t); 91 void munmapfd (struct proc *, int); 92 int swaponvp (struct thread *, struct vnode *, u_quad_t); 93 void swapout_procs (int); 94 int useracc(c_caddr_t, int, int); 95 int vm_fault (vm_map_t, vm_offset_t, vm_prot_t, int); 96 vm_page_t vm_fault_page (vm_map_t, vm_offset_t, vm_prot_t, int, int *); 97 vm_page_t vm_fault_page_quick (vm_offset_t, vm_prot_t, int *); 98 void vm_fault_copy_entry (vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t); 99 int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, 100 vm_prot_t prot, vm_page_t *ma, int max_count); 101 void vm_fault_unwire (vm_map_t, vm_map_entry_t); 102 int vm_fault_wire (vm_map_t, vm_map_entry_t, boolean_t, int); 103 void vm_fork (struct proc *, struct proc *, int); 104 int vm_test_nominal (void); 105 void vm_wait_nominal (void); 106 void vm_init_limits(struct proc *); 107 108 int vm_mmap (vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, void *, vm_ooffset_t); 109 int vm_mmap_to_errno(int rv); 110 vm_offset_t kmem_alloc_contig (vm_offset_t, vm_paddr_t, vm_paddr_t, vm_offset_t); 111 void vm_set_page_size (void); 112 struct vmspace *vmspace_alloc (vm_offset_t, vm_offset_t); 113 void vmspace_initrefs (struct vmspace *); 114 int vmspace_getrefs (struct vmspace *); 115 void vmspace_hold (struct vmspace *); 116 void vmspace_drop (struct vmspace *); 117 void vmspace_ref (struct vmspace *); 118 void vmspace_rel (struct vmspace *); 119 void vmspace_relexit (struct vmspace *); 120 void vmspace_exitfree (struct proc *); 121 122 struct vmspace *vmspace_fork (struct vmspace *); 123 void vmspace_exec (struct proc *, struct vmspace *); 124 void vmspace_unshare (struct proc *); 125 void vslock (caddr_t, u_int); 126 void vsunlock (caddr_t, u_int); 127 void vm_object_print (/* db_expr_t */ long, boolean_t, /* db_expr_t */ long, 128 char *); 129 130 static __inline 131 vm_offset_t 132 kmem_alloc (vm_map_t map, vm_size_t size) 133 { 134 return(kmem_alloc3(map, size, 0)); 135 } 136 137 static __inline 138 vm_offset_t 139 kmem_alloc_stack (vm_map_t map, vm_size_t size) 140 { 141 return(kmem_alloc3(map, size, KM_STACK)); 142 } 143 144 #endif /* _KERNEL */ 145 146 #endif /* !_VM_VM_EXTERN_H_ */ 147