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__ */ 52