arch/sparc/include/asm/tlbflush_64.h

   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 */