minix/sys/uvm/pmap/tlb.h

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/* $NetBSD: tlb.h,v 1.1 2012/10/03 00:51:47 christos Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 _COMMON_PMAP_TLB_TLB_H_
#define _COMMON_PMAP_TLB_TLB_H_
#if defined(_KERNEL) || defined(_KMEMUSER)
struct tlbmask;
struct tlb_md_ops {
void (*md_tlb_set_asid)(tlb_asid_t);
tlb_asid_t
(*md_tlb_get_asid)(void);
void (*md_tlb_invalidate_all)(void);
void (*md_tlb_invalidate_globals)(void);
void (*md_tlb_invalidate_asids)(tlb_asid_t, tlb_asid_t);
void (*md_tlb_invalidate_addr)(vaddr_t, tlb_asid_t);
bool (*md_tlb_update_addr)(vaddr_t, tlb_asid_t, pt_entry_t, bool);
void (*md_tlb_read_entry)(size_t, struct tlbmask *);
void (*md_tlb_write_entry)(size_t, const struct tlbmask *);
u_int (*md_tlb_record_asids)(u_long *);
void (*md_tlb_dump)(void (*)(const char *, ...));
void (*md_tlb_walk)(void *, bool (*)(void *, vaddr_t, tlb_asid_t,
pt_entry_t));
};
tlb_asid_t
tlb_get_asid(void);
void tlb_set_asid(tlb_asid_t);
void tlb_invalidate_all(void);
void tlb_invalidate_globals(void);
void tlb_invalidate_asids(tlb_asid_t, tlb_asid_t);
void tlb_invalidate_addr(vaddr_t, tlb_asid_t);
bool tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool);
u_int tlb_record_asids(u_long *);
void tlb_enter_addr(size_t, const struct tlbmask *);
void tlb_read_entry(size_t, struct tlbmask *);
void tlb_write_entry(size_t, const struct tlbmask *);
void tlb_walk(void *, bool (*)(void *, vaddr_t, tlb_asid_t, pt_entry_t));
void tlb_dump(void (*)(const char *, ...));
#endif /* _KERNEL || _KMEMUSER */
#endif /* !_COMMON_PMAP_TLB_TLB_H_ */