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 void flush_icache_range(unsigned long start, unsigned long end);
  12 void flush_icache_page(struct vm_area_struct *vma, struct page *page);
  13 #ifdef CONFIG_CPU_CACHE_ALIASING
  14 void flush_cache_mm(struct mm_struct *mm);
  15 void flush_cache_dup_mm(struct mm_struct *mm);
  16 void flush_cache_range(struct vm_area_struct *vma,
  17                        unsigned long start, unsigned long end);
  18 void flush_cache_page(struct vm_area_struct *vma,
  19                       unsigned long addr, unsigned long pfn);
  20 void flush_cache_kmaps(void);
  21 void flush_cache_vmap(unsigned long start, unsigned long end);
  22 void flush_cache_vunmap(unsigned long start, unsigned long end);
  23
  24 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
  25 void flush_dcache_page(struct page *page);
  26 void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
  27                        unsigned long vaddr, void *dst, void *src, int len);
  28 void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
  29                          unsigned long vaddr, void *dst, void *src, int len);
  30
  31 #define ARCH_HAS_FLUSH_ANON_PAGE
  32 void flush_anon_page(struct vm_area_struct *vma,
  33                      struct page *page, unsigned long vaddr);
  34
  35 #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
  36 void flush_kernel_dcache_page(struct page *page);
  37 void flush_kernel_vmap_range(void *addr, int size);
  38 void invalidate_kernel_vmap_range(void *addr, int size);
  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 #undef flush_icache_range
  45 #undef flush_icache_page
  46 #undef flush_icache_user_range
  47 void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
  48                              unsigned long addr, int len);
  49 #endif
  50
  51 #endif /* __NDS32_CACHEFLUSH_H__ */