LXR linux/arch/nds32/include/asm/cacheflush.h

   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (C) 2005-2017 Andes Technology Corporation
   3
   4#ifndef __NDS32_CACHEFLUSH_H__
   5#define __NDS32_CACHEFLUSH_H__
   6
   7#include <linux/mm.h>
   8
   9#define PG_dcache_dirty PG_arch_1
  10
  11#ifdef CONFIG_CPU_CACHE_ALIASING
  12void flush_cache_mm(struct mm_struct *mm);
  13void flush_cache_dup_mm(struct mm_struct *mm);
  14void flush_cache_range(struct vm_area_struct *vma,
  15                       unsigned long start, unsigned long end);
  16void flush_cache_page(struct vm_area_struct *vma,
  17                      unsigned long addr, unsigned long pfn);
  18void flush_cache_kmaps(void);
  19void flush_cache_vmap(unsigned long start, unsigned long end);
  20void flush_cache_vunmap(unsigned long start, unsigned long end);
  21
  22#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
  23void flush_dcache_page(struct page *page);
  24void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
  25                       unsigned long vaddr, void *dst, void *src, int len);
  26void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
  27                         unsigned long vaddr, void *dst, void *src, int len);
  28
  29#define ARCH_HAS_FLUSH_ANON_PAGE
  30void flush_anon_page(struct vm_area_struct *vma,
  31                     struct page *page, unsigned long vaddr);
  32
  33#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
  34void flush_kernel_dcache_page(struct page *page);
  35void flush_kernel_vmap_range(void *addr, int size);
  36void invalidate_kernel_vmap_range(void *addr, int size);
  37void flush_icache_range(unsigned long start, unsigned long end);
  38void flush_icache_page(struct vm_area_struct *vma, struct page *page);
  39#define flush_dcache_mmap_lock(mapping)   xa_lock_irq(&(mapping)->i_pages)
  40#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&(mapping)->i_pages)
  41
  42#else
  43#include <asm-generic/cacheflush.h>
  44#endif
  45
  46#endif /* __NDS32_CACHEFLUSH_H__ */
  47