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

   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
  11struct 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
  19void flush_tsb_kernel_range(unsigned long start, unsigned long end);
  20void flush_tsb_user(struct tlb_batch *tb);
  21void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr,
  22                         unsigned int hugepage_shift);
  23
  24/* TLB flush operations. */
  25
  26static inline void flush_tlb_mm(struct mm_struct *mm)
  27{
  28}
  29
  30static inline void flush_tlb_page(struct vm_area_struct *vma,
  31                                  unsigned long vmaddr)
  32{
  33}
  34
  35static inline void flush_tlb_range(struct vm_area_struct *vma,
  36                                   unsigned long start, unsigned long end)
  37{
  38}
  39
  40void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  41
  42#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
  43
  44void flush_tlb_pending(void);
  45void arch_enter_lazy_mmu_mode(void);
  46void arch_leave_lazy_mmu_mode(void);
  47#define arch_flush_lazy_mmu_mode()      do {} while (0)
  48
  49/* Local cpu only.  */
  50void __flush_tlb_all(void);
  51void __flush_tlb_page(unsigned long context, unsigned long vaddr);
  52void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
  53
  54#ifndef CONFIG_SMP
  55
  56static 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
  63void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  64void 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 */
  72