1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 34 */ 35 36 #ifndef __VM_PHYS_H_ 37 #define __VM_PHYS_H_ 38 39 #include <machine/vmparam.h> 40 41 #ifndef VM_NFREEORDER_MAX 42 #define VM_NFREEORDER_MAX VM_NFREEORDER 43 #endif 44 45 struct vm_page; 46 #ifndef VM_PAGE_HAVE_PGLIST 47 TAILQ_HEAD(pglist, vm_page); 48 #define VM_PAGE_HAVE_PGLIST 49 #endif 50 51 struct vm_freelist { 52 struct pglist pl; 53 int lcnt; 54 }; 55 56 struct vm_phys_seg { 57 vm_paddr_t start; 58 vm_paddr_t end; 59 vm_page_t first_page; 60 #if VM_NRESERVLEVEL > 0 61 vm_reserv_t first_reserv; 62 #endif 63 #ifdef __aarch64__ 64 void *md_first; 65 #endif 66 int domain; 67 struct vm_freelist (*free_queues)[VM_NFREEPOOL][VM_NFREEORDER_MAX]; 68 }; 69 70 extern struct vm_phys_seg vm_phys_segs[]; 71 extern int vm_phys_nsegs; 72 73 #endif /* !__VM_PHYS_H_ */ 74