forked from torvalds/linux
/
tlbflush-radix.h
109 lines (99 loc) · 3.5 KB
/
tlbflush-radix.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_TLBFLUSH_RADIX_H
#define _ASM_POWERPC_TLBFLUSH_RADIX_H
#include <asm/hvcall.h>
#define RIC_FLUSH_TLB 0
#define RIC_FLUSH_PWC 1
#define RIC_FLUSH_ALL 2
struct vm_area_struct;
struct mm_struct;
struct mmu_gather;
static inline u64 psize_to_rpti_pgsize(unsigned long psize)
{
if (psize == MMU_PAGE_4K)
return H_RPTI_PAGE_4K;
if (psize == MMU_PAGE_64K)
return H_RPTI_PAGE_64K;
if (psize == MMU_PAGE_2M)
return H_RPTI_PAGE_2M;
if (psize == MMU_PAGE_1G)
return H_RPTI_PAGE_1G;
return H_RPTI_PAGE_ALL;
}
static inline int rpti_pgsize_to_psize(unsigned long page_size)
{
if (page_size == H_RPTI_PAGE_4K)
return MMU_PAGE_4K;
if (page_size == H_RPTI_PAGE_64K)
return MMU_PAGE_64K;
if (page_size == H_RPTI_PAGE_2M)
return MMU_PAGE_2M;
if (page_size == H_RPTI_PAGE_1G)
return MMU_PAGE_1G;
else
return MMU_PAGE_64K; /* Default */
}
static inline int mmu_get_ap(int psize)
{
return mmu_psize_defs[psize].ap;
}
#ifdef CONFIG_PPC_RADIX_MMU
extern void radix__tlbiel_all(unsigned int action);
extern void radix__flush_tlb_lpid_page(unsigned int lpid,
unsigned long addr,
unsigned long page_size);
extern void radix__flush_pwc_lpid(unsigned int lpid);
extern void radix__flush_all_lpid(unsigned int lpid);
extern void radix__flush_all_lpid_guest(unsigned int lpid);
#else
static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); };
static inline void radix__flush_tlb_lpid_page(unsigned int lpid,
unsigned long addr,
unsigned long page_size)
{
WARN_ON(1);
}
static inline void radix__flush_pwc_lpid(unsigned int lpid)
{
WARN_ON(1);
}
static inline void radix__flush_all_lpid(unsigned int lpid)
{
WARN_ON(1);
}
static inline void radix__flush_all_lpid_guest(unsigned int lpid)
{
WARN_ON(1);
}
#endif
extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,
unsigned long end, int psize);
extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end);
extern void radix__local_flush_tlb_mm(struct mm_struct *mm);
extern void radix__local_flush_all_mm(struct mm_struct *mm);
extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
int psize);
extern void radix__tlb_flush(struct mmu_gather *tlb);
#ifdef CONFIG_SMP
extern void radix__flush_tlb_mm(struct mm_struct *mm);
extern void radix__flush_all_mm(struct mm_struct *mm);
extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
int psize);
#else
#define radix__flush_tlb_mm(mm) radix__local_flush_tlb_mm(mm)
#define radix__flush_all_mm(mm) radix__local_flush_all_mm(mm)
#define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr)
#define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p)
#endif
extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr);
extern void radix__flush_tlb_all(void);
#endif