1/*	$NetBSD$	*/
2/*-
3 * Copyright (c) 2011 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Matt Thomas of 3am Software Foundry.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30#ifndef _COMMON_PMAP_TLB_TLB_H_
31#define	_COMMON_PMAP_TLB_TLB_H_
32
33#if defined(_KERNEL) || defined(_KMEMUSER)
34
35struct tlbmask;
36
37struct tlb_md_ops {
38	void	(*md_tlb_set_asid)(tlb_asid_t);
39	tlb_asid_t
40		(*md_tlb_get_asid)(void);
41	void	(*md_tlb_invalidate_all)(void);
42	void	(*md_tlb_invalidate_globals)(void);
43	void	(*md_tlb_invalidate_asids)(tlb_asid_t, tlb_asid_t);
44	void	(*md_tlb_invalidate_addr)(vaddr_t, tlb_asid_t);
45	bool	(*md_tlb_update_addr)(vaddr_t, tlb_asid_t, pt_entry_t, bool);
46	void	(*md_tlb_read_entry)(size_t, struct tlbmask *);
47	void	(*md_tlb_write_entry)(size_t, const struct tlbmask *);
48	u_int	(*md_tlb_record_asids)(u_long *);
49	void	(*md_tlb_dump)(void (*)(const char *, ...));
50	void	(*md_tlb_walk)(void *, bool (*)(void *, vaddr_t, tlb_asid_t,
51		    pt_entry_t));
52};
53
54tlb_asid_t
55	tlb_get_asid(void);
56void	tlb_set_asid(tlb_asid_t);
57void	tlb_invalidate_all(void);
58void	tlb_invalidate_globals(void);
59void	tlb_invalidate_asids(tlb_asid_t, tlb_asid_t);
60void	tlb_invalidate_addr(vaddr_t, tlb_asid_t);
61bool	tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool);
62u_int	tlb_record_asids(u_long *);
63void	tlb_enter_addr(size_t, const struct tlbmask *);
64void	tlb_read_entry(size_t, struct tlbmask *);
65void	tlb_write_entry(size_t, const struct tlbmask *);
66void	tlb_walk(void *, bool (*)(void *, vaddr_t, tlb_asid_t, pt_entry_t));
67void	tlb_dump(void (*)(const char *, ...));
68
69#endif /* _KERNEL || _KMEMUSER */
70
71#endif /* !_COMMON_PMAP_TLB_TLB_H_ */
72