arch/loongarch/include/asm/tlbflush.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
   4  */
   5 #ifndef __ASM_TLBFLUSH_H
   6 #define __ASM_TLBFLUSH_H
   7
   8 #include <linux/mm.h>
   9
  10 /*
  11  * TLB flushing:
  12  *
  13  *  - flush_tlb_all() flushes all processes TLB entries
  14  *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
  15  *  - flush_tlb_page(vma, vmaddr) flushes one page
  16  *  - flush_tlb_range(vma, start, end) flushes a range of pages
  17  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  18  */
  19 extern void local_flush_tlb_all(void);
  20 extern void local_flush_tlb_user(void);
  21 extern void local_flush_tlb_kernel(void);
  22 extern void local_flush_tlb_mm(struct mm_struct *mm);
  23 extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
  24 extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
  25 extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
  26 extern void local_flush_tlb_one(unsigned long vaddr);
  27
  28 #ifdef CONFIG_SMP
  29
  30 extern void flush_tlb_all(void);
  31 extern void flush_tlb_mm(struct mm_struct *);
  32 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long);
  33 extern void flush_tlb_kernel_range(unsigned long, unsigned long);
  34 extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
  35 extern void flush_tlb_one(unsigned long vaddr);
  36
  37 #else /* CONFIG_SMP */
  38
  39 #define flush_tlb_all()                 local_flush_tlb_all()
  40 #define flush_tlb_mm(mm)                local_flush_tlb_mm(mm)
  41 #define flush_tlb_range(vma, vmaddr, end)       local_flush_tlb_range(vma, vmaddr, end)
  42 #define flush_tlb_kernel_range(vmaddr, end)     local_flush_tlb_kernel_range(vmaddr, end)
  43 #define flush_tlb_page(vma, page)       local_flush_tlb_page(vma, page)
  44 #define flush_tlb_one(vaddr)            local_flush_tlb_one(vaddr)
  45
  46 #endif /* CONFIG_SMP */
  47
  48 #endif /* __ASM_TLBFLUSH_H */