vm.h revision 331722 
1/*-
2 * Copyright (c) 2009 Hudson River Trading LLC
3 * Written by: John H. Baldwin <jhb@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/11/sys/amd64/include/vm.h 331722 2018-03-29 02:50:57Z eadler $
28 */
29
30#ifndef _MACHINE_VM_H_
31#define	_MACHINE_VM_H_
32
33#include <machine/specialreg.h>
34
35/* Memory attributes. */
36#define	VM_MEMATTR_UNCACHEABLE		((vm_memattr_t)PAT_UNCACHEABLE)
37#define	VM_MEMATTR_WRITE_COMBINING	((vm_memattr_t)PAT_WRITE_COMBINING)
38#define	VM_MEMATTR_WRITE_THROUGH	((vm_memattr_t)PAT_WRITE_THROUGH)
39#define	VM_MEMATTR_WRITE_PROTECTED	((vm_memattr_t)PAT_WRITE_PROTECTED)
40#define	VM_MEMATTR_WRITE_BACK		((vm_memattr_t)PAT_WRITE_BACK)
41#define	VM_MEMATTR_WEAK_UNCACHEABLE	((vm_memattr_t)PAT_UNCACHED)
42
43#define	VM_MEMATTR_DEFAULT		VM_MEMATTR_WRITE_BACK
44
45#endif /* !_MACHINE_VM_H_ */
46