1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _SPARC64_TLBFLUSH_H 3 #define _SPARC64_TLBFLUSH_H 4 5 #include <asm/mmu_context.h> 6 7 /* TSB flush operations. */ 8 9 #define TLB_BATCH_NR 192 10 11 struct tlb_batch { 12 unsigned int hugepage_shift; 13 struct mm_struct *mm; 14 unsigned long tlb_nr; 15 unsigned long vaddrs[TLB_BATCH_NR]; 16 }; 17 18 void flush_tsb_kernel_range(unsigned long start, unsigned long end); 19 void flush_tsb_user(struct tlb_batch *tb); 20 void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr, 21 unsigned int hugepage_shift); 22 23 /* TLB flush operations. */ 24 25 static inline void flush_tlb_mm(struct mm_struct *mm) 26 { 27 } 28 29 static inline void flush_tlb_page(struct vm_area_struct *vma, 30 unsigned long vmaddr) 31 { 32 } 33 34 static inline void flush_tlb_range(struct vm_area_struct *vma, 35 unsigned long start, unsigned long end) 36 { 37 } 38 39 void flush_tlb_kernel_range(unsigned long start, unsigned long end); 40 41 void flush_tlb_pending(void); 42 void arch_enter_lazy_mmu_mode(void); 43 void arch_flush_lazy_mmu_mode(void); 44 void arch_leave_lazy_mmu_mode(void); 45 46 /* Local cpu only. */ 47 void __flush_tlb_all(void); 48 void __flush_tlb_page(unsigned long context, unsigned long vaddr); 49 void __flush_tlb_kernel_range(unsigned long start, unsigned long end); 50 51 #ifndef CONFIG_SMP 52 53 static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr) 54 { 55 __flush_tlb_page(CTX_HWBITS(mm->context), vaddr); 56 } 57 58 #else /* CONFIG_SMP */ 59 60 void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); 61 void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr); 62 63 #define global_flush_tlb_page(mm, vaddr) \ 64 smp_flush_tlb_page(mm, vaddr) 65 66 #endif /* ! CONFIG_SMP */ 67 68 #endif /* _SPARC64_TLBFLUSH_H */ 69