1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2002-2006 Rice University
 5 * Copyright (c) 2007 Alan L. Cox <alc@cs.rice.edu>
 6 * All rights reserved.
 7 *
 8 * This software was developed for the FreeBSD Project by Alan L. Cox,
 9 * Olivier Crameri, Peter Druschel, Sitaram Iyer, and Juan Navarro.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
24 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
30 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef	__VM_PHYS_H_
35#define	__VM_PHYS_H_
36
37#include <machine/vmparam.h>
38
39#ifndef VM_NFREEORDER_MAX
40#define	VM_NFREEORDER_MAX	VM_NFREEORDER
41#endif
42
43struct vm_page;
44#ifndef VM_PAGE_HAVE_PGLIST
45TAILQ_HEAD(pglist, vm_page);
46#define VM_PAGE_HAVE_PGLIST
47#endif
48
49struct vm_freelist {
50	struct pglist pl;
51	int lcnt;
52};
53
54struct vm_phys_seg {
55	vm_paddr_t	start;
56	vm_paddr_t	end;
57	vm_page_t	first_page;
58#if VM_NRESERVLEVEL > 0
59	vm_reserv_t	first_reserv;
60#endif
61#ifdef __aarch64__
62	void		*md_first;
63#endif
64	int		domain;
65	struct vm_freelist (*free_queues)[VM_NFREEPOOL][VM_NFREEORDER_MAX];
66};
67
68extern struct vm_phys_seg vm_phys_segs[];
69extern int vm_phys_nsegs;
70
71#endif /* !__VM_PHYS_H_ */