1 /* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * The Mach Operating System project at Carnegie-Mellon University. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)vm_kern.h 8.1 (Berkeley) 6/11/93 33 * 34 * 35 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 36 * All rights reserved. 37 * 38 * Authors: Avadis Tevanian, Jr., Michael Wayne Young 39 * 40 * Permission to use, copy, modify and distribute this software and 41 * its documentation is hereby granted, provided that both the copyright 42 * notice and this permission notice appear in all copies of the 43 * software, derivative works or modified versions, and any portions 44 * thereof, and that both notices appear in supporting documentation. 45 * 46 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 47 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 48 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 49 * 50 * Carnegie Mellon requests users of this software to return to 51 * 52 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 53 * School of Computer Science 54 * Carnegie Mellon University 55 * Pittsburgh PA 15213-3890 56 * 57 * any improvements or extensions that they make and grant Carnegie the 58 * rights to redistribute these changes. 59 * 60 * $FreeBSD: src/sys/vm/vm_kern.h,v 1.22 2000/02/16 21:11:31 dillon Exp $ 61 * $DragonFly: src/sys/vm/vm_kern.h,v 1.12 2007/06/07 23:14:29 dillon Exp $ 62 */ 63 64 #ifndef _VM_VM_KERN_H_ 65 #define _VM_VM_KERN_H_ 66 67 #ifndef _SYS_TYPES_H_ 68 #include <sys/types.h> 69 #endif 70 #ifndef _VM_VM_MAP_H_ 71 #include <vm/vm_map.h> 72 #endif 73 74 struct vm_object; 75 76 /* 77 * Anonymous swap-backed kernel memory descriptor 78 */ 79 struct kmem_anon_desc { 80 vm_map_t map; 81 vm_size_t size; 82 vm_offset_t data; 83 struct vm_object *object; 84 }; 85 86 typedef struct kmem_anon_desc kmem_anon_desc_t; 87 88 /* 89 * kmem_alloc3() flags 90 */ 91 #define KM_PAGEABLE 0x00000001 92 #define KM_KRESERVE 0x00000002 93 #define KM_STACK 0x00000004 94 #define KM_NOTLBSYNC 0x00000008 95 #define KM_CPU_SPEC 0x00000010 96 97 #define KM_CPU_SHIFT 16 98 #define KM_CPU(n) (((n) << KM_CPU_SHIFT) | KM_CPU_SPEC) 99 #define KM_GETCPU(flags) ((flags) >> KM_CPU_SHIFT) 100 101 /* Kernel memory management definitions. */ 102 extern struct vm_map buffer_map; 103 extern struct vm_map kernel_map; 104 extern struct vm_map clean_map; 105 extern u_int vm_kmem_size; 106 107 extern vm_offset_t kernel_vm_end; 108 /* XXX - elsewhere? */ 109 struct malloc_type; 110 extern void *contigmalloc_map(u_long, struct malloc_type *, int, 111 vm_paddr_t, vm_paddr_t, u_long, u_long, vm_map_t); 112 113 #endif /* _VM_VM_KERN_H_ */ 114