1/*	$NetBSD: cachectl.h,v 1.11 2020/07/26 08:08:41 simonb Exp $	*/
 2
 3/*-
 4 * Copyright (c) 1997 The NetBSD Foundation, Inc.
 5 * All rights reserved.
 6 *
 7 * This code is derived from software contributed to The NetBSD Foundation
 8 * by Jonathan Stone.
 9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _MIPS_CACHECTL_H_
33#define	_MIPS_CACHECTL_H_
34
35#include <sys/cdefs.h>
36
37__BEGIN_DECLS
38/*
39 * invalidate a range of addresses from the cache.
40 */
41int  _cacheflush(void *, size_t, int);
42int  cacheflush(void *, size_t, int);
43
44					/* cacheflush() flags: */
45#define	ICACHE	0x01			/* invalidate I-cache */
46#define	DCACHE	0x02			/* writeback and invalidate D-cache */
47#define	BCACHE	(ICACHE|DCACHE)		/* invalidate both caches, as above */
48
49
50int  cachectl(void *, size_t, int);
51
52					/* cachectl() cache operations: */
53#define	CACHEABLE       0x00		/* make page(s) cacheable */
54#define	UNCACHEABLE     0x01		/* make page(s) uncacheable */
55
56__END_DECLS
57
58#ifdef _KERNEL
59int mips_user_cachectl(struct proc *, vaddr_t, size_t, int);
60int mips_user_cacheflush(struct proc *, vaddr_t, size_t, int);
61#endif
62#endif /* _MIPS_CACHECTL_H_ */