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