book3s/64/tlbflush-radix.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _ASM_POWERPC_TLBFLUSH_RADIX_H
0003 #define _ASM_POWERPC_TLBFLUSH_RADIX_H
0004
0005 #include <asm/hvcall.h>
0006
0007 #define RIC_FLUSH_TLB 0
0008 #define RIC_FLUSH_PWC 1
0009 #define RIC_FLUSH_ALL 2
0010
0011 struct vm_area_struct;
0012 struct mm_struct;
0013 struct mmu_gather;
0014
0015 static inline u64 psize_to_rpti_pgsize(unsigned long psize)
0016 {
0017     if (psize == MMU_PAGE_4K)
0018         return H_RPTI_PAGE_4K;
0019     if (psize == MMU_PAGE_64K)
0020         return H_RPTI_PAGE_64K;
0021     if (psize == MMU_PAGE_2M)
0022         return H_RPTI_PAGE_2M;
0023     if (psize == MMU_PAGE_1G)
0024         return H_RPTI_PAGE_1G;
0025     return H_RPTI_PAGE_ALL;
0026 }
0027
0028 static inline int mmu_get_ap(int psize)
0029 {
0030     return mmu_psize_defs[psize].ap;
0031 }
0032
0033 #ifdef CONFIG_PPC_RADIX_MMU
0034 extern void radix__tlbiel_all(unsigned int action);
0035 extern void radix__flush_tlb_lpid_page(unsigned int lpid,
0036                     unsigned long addr,
0037                     unsigned long page_size);
0038 extern void radix__flush_pwc_lpid(unsigned int lpid);
0039 extern void radix__flush_all_lpid(unsigned int lpid);
0040 extern void radix__flush_all_lpid_guest(unsigned int lpid);
0041 #else
0042 static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); }
0043 static inline void radix__flush_tlb_lpid_page(unsigned int lpid,
0044                     unsigned long addr,
0045                     unsigned long page_size)
0046 {
0047     WARN_ON(1);
0048 }
0049 static inline void radix__flush_pwc_lpid(unsigned int lpid)
0050 {
0051     WARN_ON(1);
0052 }
0053 static inline void radix__flush_all_lpid(unsigned int lpid)
0054 {
0055     WARN_ON(1);
0056 }
0057 static inline void radix__flush_all_lpid_guest(unsigned int lpid)
0058 {
0059     WARN_ON(1);
0060 }
0061 #endif
0062
0063 extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,
0064                        unsigned long start, unsigned long end);
0065 extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,
0066                      unsigned long end, int psize);
0067 void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start,
0068                       unsigned long end, int psize);
0069 extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,
0070                        unsigned long start, unsigned long end);
0071 extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
0072                 unsigned long end);
0073 extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end);
0074
0075 extern void radix__local_flush_tlb_mm(struct mm_struct *mm);
0076 extern void radix__local_flush_all_mm(struct mm_struct *mm);
0077 extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
0078 extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
0079                           int psize);
0080 extern void radix__tlb_flush(struct mmu_gather *tlb);
0081 #ifdef CONFIG_SMP
0082 extern void radix__flush_tlb_mm(struct mm_struct *mm);
0083 extern void radix__flush_all_mm(struct mm_struct *mm);
0084 extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
0085 extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
0086                     int psize);
0087 #else
0088 #define radix__flush_tlb_mm(mm)     radix__local_flush_tlb_mm(mm)
0089 #define radix__flush_all_mm(mm)     radix__local_flush_all_mm(mm)
0090 #define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr)
0091 #define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p)
0092 #endif
0093 extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
0094 extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr);
0095 extern void radix__flush_tlb_all(void);
0096
0097 #endif