xref: /openbmc/linux/arch/sh/include/asm/tlbflush.h (revision feac8c8b)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_SH_TLBFLUSH_H
3 #define __ASM_SH_TLBFLUSH_H
4 
5 /*
6  * TLB flushing:
7  *
8  *  - flush_tlb_all() flushes all processes TLBs
9  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
10  *  - flush_tlb_page(vma, vmaddr) flushes one page
11  *  - flush_tlb_range(vma, start, end) flushes a range of pages
12  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
13  */
14 extern void local_flush_tlb_all(void);
15 extern void local_flush_tlb_mm(struct mm_struct *mm);
16 extern void local_flush_tlb_range(struct vm_area_struct *vma,
17 				  unsigned long start,
18 				  unsigned long end);
19 extern void local_flush_tlb_page(struct vm_area_struct *vma,
20 				 unsigned long page);
21 extern void local_flush_tlb_kernel_range(unsigned long start,
22 					 unsigned long end);
23 extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
24 
25 extern void __flush_tlb_global(void);
26 
27 #ifdef CONFIG_SMP
28 
29 extern void flush_tlb_all(void);
30 extern void flush_tlb_mm(struct mm_struct *mm);
31 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
32 			    unsigned long end);
33 extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
34 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
35 extern void flush_tlb_one(unsigned long asid, unsigned long page);
36 
37 #else
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_page(vma, page)	local_flush_tlb_page(vma, page)
42 #define flush_tlb_one(asid, page)	local_flush_tlb_one(asid, page)
43 
44 #define flush_tlb_range(vma, start, end)	\
45 	local_flush_tlb_range(vma, start, end)
46 
47 #define flush_tlb_kernel_range(start, end)	\
48 	local_flush_tlb_kernel_range(start, end)
49 
50 #endif /* CONFIG_SMP */
51 
52 #endif /* __ASM_SH_TLBFLUSH_H */
53