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 11 struct vm_area_struct; 12 struct mm_struct; 13 struct mmu_gather; 14 15 static 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 28 static inline int mmu_get_ap(int psize) 29 { 30 return mmu_psize_defs[psize].ap; 31 } 32 33 #ifdef CONFIG_PPC_RADIX_MMU 34 extern void radix__tlbiel_all(unsigned int action); 35 extern void radix__flush_tlb_lpid_page(unsigned int lpid, 36 unsigned long addr, 37 unsigned long page_size); 38 extern void radix__flush_pwc_lpid(unsigned int lpid); 39 extern void radix__flush_all_lpid(unsigned int lpid); 40 extern void radix__flush_all_lpid_guest(unsigned int lpid); 41 #else 42 static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); } 43 static 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 } 49 static inline void radix__flush_pwc_lpid(unsigned int lpid) 50 { 51 WARN_ON(1); 52 } 53 static inline void radix__flush_all_lpid(unsigned int lpid) 54 { 55 WARN_ON(1); 56 } 57 static inline void radix__flush_all_lpid_guest(unsigned int lpid) 58 { 59 WARN_ON(1); 60 } 61 #endif 62 63 extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma, 64 unsigned long start, unsigned long end); 65 extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, 66 unsigned long end, int psize); 67 void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start, 68 unsigned long end, int psize); 69 extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, 70 unsigned long start, unsigned long end); 71 extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, 72 unsigned long end); 73 extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end); 74 75 extern void radix__local_flush_tlb_mm(struct mm_struct *mm); 76 extern void radix__local_flush_all_mm(struct mm_struct *mm); 77 extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); 78 extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, 79 int psize); 80 extern void radix__tlb_flush(struct mmu_gather *tlb); 81 #ifdef CONFIG_SMP 82 extern void radix__flush_tlb_mm(struct mm_struct *mm); 83 extern void radix__flush_all_mm(struct mm_struct *mm); 84 extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); 85 extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, 86 int psize); 87 #else 88 #define radix__flush_tlb_mm(mm) radix__local_flush_tlb_mm(mm) 89 #define radix__flush_all_mm(mm) radix__local_flush_all_mm(mm) 90 #define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr) 91 #define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p) 92 #endif 93 extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); 94 extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr); 95 extern void radix__flush_tlb_all(void); 96 97 #endif 98