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sys/vm/_vm_phys.h
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/*- | |||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
* | |||||
* Copyright (c) 2002-2006 Rice University | |||||
* Copyright (c) 2007 Alan L. Cox <alc@cs.rice.edu> | |||||
* All rights reserved. | |||||
* | |||||
* This software was developed for the FreeBSD Project by Alan L. Cox, | |||||
* Olivier Crameri, Peter Druschel, Sitaram Iyer, and Juan Navarro. | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions | |||||
* are met: | |||||
* 1. Redistributions of source code must retain the above copyright | |||||
* notice, this list of conditions and the following disclaimer. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |||||
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | |||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY | |||||
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |||||
* POSSIBILITY OF SUCH DAMAGE. | |||||
* | |||||
* $FreeBSD$ | |||||
*/ | |||||
#ifndef __VM_PHYS_H_ | |||||
#define __VM_PHYS_H_ | |||||
#include <machine/vmparam.h> | |||||
#ifndef VM_NFREEORDER_MAX | |||||
#define VM_NFREEORDER_MAX VM_NFREEORDER | |||||
#endif | |||||
struct vm_page; | |||||
#ifndef VM_PAGE_HAVE_PGLIST | |||||
TAILQ_HEAD(pglist, vm_page); | |||||
#define VM_PAGE_HAVE_PGLIST | |||||
#endif | |||||
struct vm_freelist { | |||||
struct pglist pl; | |||||
int lcnt; | |||||
}; | |||||
struct vm_phys_seg { | |||||
vm_paddr_t start; | |||||
vm_paddr_t end; | |||||
vm_page_t first_page; | |||||
#if VM_NRESERVLEVEL > 0 | |||||
vm_reserv_t first_reserv; | |||||
#endif | |||||
#ifdef __aarch64__ | |||||
void *md_first; | |||||
#endif | |||||
int domain; | |||||
struct vm_freelist (*free_queues)[VM_NFREEPOOL][VM_NFREEORDER_MAX]; | |||||
}; | |||||
extern struct vm_phys_seg vm_phys_segs[]; | |||||
extern int vm_phys_nsegs; | |||||
#endif /* !__VM_PHYS_H_ */ |