1/*
2 * OpenRISC Linux
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others.  All original copyrights apply as per the original source
6 * declaration.
7 *
8 * OpenRISC implementation:
9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 */
18
19#ifndef __ASM_OPENRISC_TLBFLUSH_H
20#define __ASM_OPENRISC_TLBFLUSH_H
21
22#include <linux/mm.h>
23#include <asm/processor.h>
24#include <asm/pgtable.h>
25#include <asm/pgalloc.h>
26#include <asm/current.h>
27#include <linux/sched.h>
28
29/*
30 *  - flush_tlb() flushes the current mm struct TLBs
31 *  - flush_tlb_all() flushes all processes TLBs
32 *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
33 *  - flush_tlb_page(vma, vmaddr) flushes one page
34 *  - flush_tlb_range(mm, start, end) flushes a range of pages
35 */
36
37void flush_tlb_all(void);
38void flush_tlb_mm(struct mm_struct *mm);
39void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
40void flush_tlb_range(struct vm_area_struct *vma,
41		     unsigned long start,
42		     unsigned long end);
43
44static inline void flush_tlb(void)
45{
46	flush_tlb_mm(current->mm);
47}
48
49static inline void flush_tlb_kernel_range(unsigned long start,
50					  unsigned long end)
51{
52	flush_tlb_range(NULL, start, end);
53}
54
55#endif /* __ASM_OPENRISC_TLBFLUSH_H */
56