1/*
2 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 *
17 */
18
19#ifndef _ASM_NIOS2_TLBFLUSH_H
20#define _ASM_NIOS2_TLBFLUSH_H
21
22struct mm_struct;
23
24/*
25 * TLB flushing:
26 *
27 *  - flush_tlb_all() flushes all processes TLB entries
28 *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
29 *  - flush_tlb_page(vma, vmaddr) flushes one page
30 *  - flush_tlb_range(vma, start, end) flushes a range of pages
31 *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
32 */
33extern void flush_tlb_all(void);
34extern void flush_tlb_mm(struct mm_struct *mm);
35extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
36			    unsigned long end);
37extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
38extern void flush_tlb_one(unsigned long vaddr);
39
40static inline void flush_tlb_page(struct vm_area_struct *vma,
41				unsigned long addr)
42{
43	flush_tlb_one(addr);
44}
45
46#endif /* _ASM_NIOS2_TLBFLUSH_H */
47