arch/sparc/include/asm/tlbflush_64.h

   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 active;
  16         unsigned long vaddrs[TLB_BATCH_NR];
  17 };
  18
  19 void flush_tsb_kernel_range(unsigned long start, unsigned long end);
  20 void flush_tsb_user(struct tlb_batch *tb);
  21 void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr,
  22                          unsigned int hugepage_shift);
  23
  24 /* TLB flush operations. */
  25
  26 static inline void flush_tlb_mm(struct mm_struct *mm)
  27 {
  28 }
  29
  30 static inline void flush_tlb_page(struct vm_area_struct *vma,
  31                                   unsigned long vmaddr)
  32 {
  33 }
  34
  35 static inline void flush_tlb_range(struct vm_area_struct *vma,
  36                                    unsigned long start, unsigned long end)
  37 {
  38 }
  39
  40 void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  41
  42 #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
  43
  44 void flush_tlb_pending(void);
  45 void arch_enter_lazy_mmu_mode(void);
  46 void arch_leave_lazy_mmu_mode(void);
  47 #define arch_flush_lazy_mmu_mode()      do {} while (0)
  48
  49 /* Local cpu only.  */
  50 void __flush_tlb_all(void);
  51 void __flush_tlb_page(unsigned long context, unsigned long vaddr);
  52 void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
  53
  54 #ifndef CONFIG_SMP
  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 void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  64 void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
  65
  66 #define global_flush_tlb_page(mm, vaddr) \
  67         smp_flush_tlb_page(mm, vaddr)
  68
  69 #endif /* ! CONFIG_SMP */
  70
  71 #endif /* _SPARC64_TLBFLUSH_H */