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
flush_tlb_mm(struct mm_struct * mm)25 static inline void flush_tlb_mm(struct mm_struct *mm)
26 {
27 }
28
flush_tlb_page(struct vm_area_struct * vma,unsigned long vmaddr)29 static inline void flush_tlb_page(struct vm_area_struct *vma,
30 unsigned long vmaddr)
31 {
32 }
33
flush_tlb_range(struct vm_area_struct * vma,unsigned long start,unsigned long end)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
global_flush_tlb_page(struct mm_struct * mm,unsigned long vaddr)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