LXR linux/arch/sparc/include/asm/tlbflush

   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
  11struct 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
  18extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
  19extern void flush_tsb_user(struct tlb_batch *tb);
  20extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
  21
  22/* TLB flush operations. */
  23
  24static inline void flush_tlb_mm(struct mm_struct *mm)
  25{
  26}
  27
  28static inline void flush_tlb_page(struct vm_area_struct *vma,
  29                                  unsigned long vmaddr)
  30{
  31}
  32
  33static inline void flush_tlb_range(struct vm_area_struct *vma,
  34                                   unsigned long start, unsigned long end)
  35{
  36}
  37
  38#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
  39
  40extern void flush_tlb_pending(void);
  41extern void arch_enter_lazy_mmu_mode(void);
  42extern void arch_leave_lazy_mmu_mode(void);
  43#define arch_flush_lazy_mmu_mode()      do {} while (0)
  44
  45/* Local cpu only.  */
  46extern void __flush_tlb_all(void);
  47extern void __flush_tlb_page(unsigned long context, unsigned long vaddr);
  48extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
  49
  50#ifndef CONFIG_SMP
  51
  52#define flush_tlb_kernel_range(start,end) \
  53do {    flush_tsb_kernel_range(start,end); \
  54        __flush_tlb_kernel_range(start,end); \
  55} while (0)
  56
  57static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
  58{
  59        __flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
  60}
  61
  62#else /* CONFIG_SMP */
  63
  64extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  65extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
  66
  67#define flush_tlb_kernel_range(start, end) \
  68do {    flush_tsb_kernel_range(start,end); \
  69        smp_flush_tlb_kernel_range(start, end); \
  70} while (0)
  71
  72#define global_flush_tlb_page(mm, vaddr) \
  73        smp_flush_tlb_page(mm, vaddr)
  74
  75#endif /* ! CONFIG_SMP */
  76
  77#endif /* _SPARC64_TLBFLUSH_H */
  78