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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
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6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
8f6c56a5 14 *
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15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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27 */
28/*
29 * @OSF_COPYRIGHT@
30 *
31 */
32
33#ifndef _VM_CPM_H_
34#define _VM_CPM_H_
35
36/*
37 * File: vm/cpm.h
38 * Author: Alan Langerman
39 * Date: April 1995 and January 1996
40 *
41 * Contiguous physical memory allocator.
42 */
43
44#include <mach_kdb.h>
45#include <mach_counters.h>
46
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47#include <mach/mach_types.h>
48#include <vm/vm_page.h>
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49/*
50 * Return a linked list of physically contiguous
51 * wired pages. Caller is responsible for disposal
52 * via cpm_release.
53 *
54 * These pages are all in "gobbled" state when .
55 */
56extern kern_return_t
2d21ac55 57cpm_allocate(vm_size_t size, vm_page_t *list, ppnum_t max_pnum, boolean_t wire);
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58
59/*
60 * CPM-specific event counters.
61 */
62#define VM_CPM_COUNTERS (MACH_KDB && MACH_COUNTERS && VM_CPM)
63#if VM_CPM_COUNTERS
64#define cpm_counter(foo) foo
65#else /* VM_CPM_COUNTERS */
66#define cpm_counter(foo)
67#endif /* VM_CPM_COUNTERS */
68
69#endif /* _VM_CPM_H_ */