/*      $NetBSD: cachectl.h,v 1.11 2020/07/26 08:08:41 simonb Exp $     */

/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jonathan Stone.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef _MIPS_CACHECTL_H_
#define _MIPS_CACHECTL_H_

#include <sys/cdefs.h>

__BEGIN_DECLS
/*
* invalidate a range of addresses from the cache.
*/
int  _cacheflush(void *, size_t, int);
int  cacheflush(void *, size_t, int);

                                       /* cacheflush() flags: */
#define ICACHE  0x01                    /* invalidate I-cache */
#define DCACHE  0x02                    /* writeback and invalidate D-cache */
#define BCACHE  (ICACHE|DCACHE)         /* invalidate both caches, as above */


int  cachectl(void *, size_t, int);

                                       /* cachectl() cache operations: */
#define CACHEABLE       0x00            /* make page(s) cacheable */
#define UNCACHEABLE     0x01            /* make page(s) uncacheable */

__END_DECLS

#ifdef _KERNEL
int mips_user_cachectl(struct proc *, vaddr_t, size_t, int);
int mips_user_cacheflush(struct proc *, vaddr_t, size_t, int);
#endif
#endif /* _MIPS_CACHECTL_H_ */