| 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 | |
| 43 | struct vm_page; |
| 44 | #ifndef VM_PAGE_HAVE_PGLIST |
| 45 | TAILQ_HEAD(pglist, vm_page); |
| 46 | #define VM_PAGE_HAVE_PGLIST |
| 47 | #endif |
| 48 | |
| 49 | struct vm_freelist { |
| 50 | 	struct pglist pl; |
| 51 | 	int lcnt; |
| 52 | }; |
| 53 | |
| 54 | struct 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 | |
| 68 | extern struct vm_phys_seg vm_phys_segs[]; |
| 69 | extern int vm_phys_nsegs; |
| 70 | |
| 71 | #endif /* !__VM_PHYS_H_ */ |