arch/sparc/include/asm/tlbflush_64.h

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