1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
4 */
5#ifndef __ASM_TLBFLUSH_H
6#define __ASM_TLBFLUSH_H
7
8#include <linux/mm.h>
9
10/*
11 * TLB flushing:
12 *
13 *  - flush_tlb_all() flushes all processes TLB entries
14 *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
15 *  - flush_tlb_page(vma, vmaddr) flushes one page
16 *  - flush_tlb_range(vma, start, end) flushes a range of pages
17 *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
18 */
19extern void local_flush_tlb_all(void);
20extern void local_flush_tlb_user(void);
21extern void local_flush_tlb_kernel(void);
22extern void local_flush_tlb_mm(struct mm_struct *mm);
23extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
24extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
25extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
26extern void local_flush_tlb_one(unsigned long vaddr);
27
28#ifdef CONFIG_SMP
29
30extern void flush_tlb_all(void);
31extern void flush_tlb_mm(struct mm_struct *);
32extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long);
33extern void flush_tlb_kernel_range(unsigned long, unsigned long);
34extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
35extern void flush_tlb_one(unsigned long vaddr);
36
37#else /* CONFIG_SMP */
38
39#define flush_tlb_all()			local_flush_tlb_all()
40#define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
41#define flush_tlb_range(vma, vmaddr, end)	local_flush_tlb_range(vma, vmaddr, end)
42#define flush_tlb_kernel_range(vmaddr, end)	local_flush_tlb_kernel_range(vmaddr, end)
43#define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page)
44#define flush_tlb_one(vaddr)		local_flush_tlb_one(vaddr)
45
46#endif /* CONFIG_SMP */
47
48#endif /* __ASM_TLBFLUSH_H */
49