1 #ifndef _SPARC64_TLBFLUSH_H
2 #define _SPARC64_TLBFLUSH_H
3 
4 #include <asm/mmu_context.h>
5 
6 /* TSB flush operations. */
7 
8 #define TLB_BATCH_NR	192
9 
10 struct tlb_batch {
11 	struct mm_struct *mm;
12 	unsigned long tlb_nr;
13 	unsigned long active;
14 	unsigned long vaddrs[TLB_BATCH_NR];
15 };
16 
17 extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
18 extern void flush_tsb_user(struct tlb_batch *tb);
19 extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
20 
21 /* TLB flush operations. */
22 
23 static inline void flush_tlb_mm(struct mm_struct *mm)
24 {
25 }
26 
27 static inline void flush_tlb_page(struct vm_area_struct *vma,
28 				  unsigned long vmaddr)
29 {
30 }
31 
32 static inline void flush_tlb_range(struct vm_area_struct *vma,
33 				   unsigned long start, unsigned long end)
34 {
35 }
36 
37 #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
38 
39 extern void flush_tlb_pending(void);
40 extern void arch_enter_lazy_mmu_mode(void);
41 extern void arch_leave_lazy_mmu_mode(void);
42 #define arch_flush_lazy_mmu_mode()      do {} while (0)
43 
44 /* Local cpu only.  */
45 extern void __flush_tlb_all(void);
46 extern void __flush_tlb_page(unsigned long context, unsigned long vaddr);
47 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
48 
49 #ifndef CONFIG_SMP
50 
51 #define flush_tlb_kernel_range(start,end) \
52 do {	flush_tsb_kernel_range(start,end); \
53 	__flush_tlb_kernel_range(start,end); \
54 } while (0)
55 
56 static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
57 {
58 	__flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
59 }
60 
61 #else /* CONFIG_SMP */
62 
63 extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
64 extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
65 
66 #define flush_tlb_kernel_range(start, end) \
67 do {	flush_tsb_kernel_range(start,end); \
68 	smp_flush_tlb_kernel_range(start, end); \
69 } while (0)
70 
71 #define global_flush_tlb_page(mm, vaddr) \
72 	smp_flush_tlb_page(mm, vaddr)
73 
74 #endif /* ! CONFIG_SMP */
75 
76 #endif /* _SPARC64_TLBFLUSH_H */
77