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 * $FreeBSD$ 31 */ 32 33 #ifndef _VM_EXTERN_H_ 34 #define _VM_EXTERN_H_ 35 36 struct proc; 37 struct vmspace; 38 struct vnode; 39 40 #ifdef _KERNEL 41 42 int kernacc(void *, int, int); 43 vm_offset_t kmem_alloc(vm_map_t, vm_size_t); 44 vm_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); 46 vm_offset_t kmem_alloc_contig(vm_map_t map, vm_size_t size, int flags, 47 vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary, 48 vm_memattr_t memattr); 49 vm_offset_t kmem_alloc_nofault(vm_map_t, vm_size_t); 50 vm_offset_t kmem_alloc_nofault_space(vm_map_t, vm_size_t, int); 51 vm_offset_t kmem_alloc_wait(vm_map_t, vm_size_t); 52 void kmem_free(vm_map_t, vm_offset_t, vm_size_t); 53 void kmem_free_wakeup(vm_map_t, vm_offset_t, vm_size_t); 54 void kmem_init(vm_offset_t, vm_offset_t); 55 vm_offset_t kmem_malloc(vm_map_t map, vm_size_t size, int flags); 56 int kmem_back(vm_map_t, vm_offset_t, vm_size_t, int); 57 vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t, 58 boolean_t); 59 void swapout_procs(int); 60 int useracc(void *, int, int); 61 int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int); 62 void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t, 63 vm_ooffset_t *); 64 int vm_fault_disable_pagefaults(void); 65 void vm_fault_enable_pagefaults(int save); 66 int vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type, 67 int fault_flags, vm_page_t *m_hold); 68 int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, 69 vm_prot_t prot, vm_page_t *ma, int max_count); 70 void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 71 int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 72 int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); 73 void vm_waitproc(struct proc *); 74 int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t); 75 int vm_mmap_to_errno(int rv); 76 void vm_set_page_size(void); 77 void vm_sync_icache(vm_map_t, vm_offset_t, vm_size_t); 78 struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t); 79 struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *); 80 int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t); 81 int vmspace_unshare(struct proc *); 82 void vmspace_exit(struct thread *); 83 struct vmspace *vmspace_acquire_ref(struct proc *); 84 void vmspace_free(struct vmspace *); 85 void vmspace_exitfree(struct proc *); 86 void vnode_pager_setsize(struct vnode *, vm_ooffset_t); 87 int vslock(void *, size_t); 88 void vsunlock(void *, size_t); 89 struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset); 90 void vm_imgact_unmap_page(struct sf_buf *sf); 91 void vm_thread_dispose(struct thread *td); 92 int vm_thread_new(struct thread *td, int pages); 93 int vm_mlock(struct proc *, struct ucred *, const void *, size_t); 94 #endif /* _KERNEL */ 95 #endif /* !_VM_EXTERN_H_ */ 96