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 
37 void flush_tlb_all(void);
38 void flush_tlb_mm(struct mm_struct *mm);
39 void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
40 void flush_tlb_range(struct vm_area_struct *vma,
41 		     unsigned long start,
42 		     unsigned long end);
43 
44 static inline void flush_tlb(void)
45 {
46 	flush_tlb_mm(current->mm);
47 }
48 
49 static 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