/* SPDX-License-Identifier: GPL-2.0 */#ifndef __ASM_SH_CACHEFLUSH_H#define __ASM_SH_CACHEFLUSH_H #include <linux/mm.h> /* * Cache flushing: * *  - flush_cache_all() flushes entire cache *  - flush_cache_mm(mm) flushes the specified mm context's cache lines *  - flush_cache_dup mm(mm) handles cache flushing when forking *  - flush_cache_page(mm, vmaddr, pfn) flushes a single page *  - flush_cache_range(vma, start, end) flushes a range of pages * *  - flush_dcache_folio(folio) flushes(wback&invalidates) a folio for dcache *  - flush_icache_range(start, end) flushes(invalidates) a range for icache *  - flush_icache_pages(vma, pg, nr) flushes(invalidates) pages for icache *  - flush_cache_sigtramp(vaddr) flushes the signal trampoline */extern void (*local_flush_cache_all)(void *args);extern void (*local_flush_cache_mm)(void *args);extern void (*local_flush_cache_dup_mm)(void *args);extern void (*local_flush_cache_page)(void *args);extern void (*local_flush_cache_range)(void *args);extern void (*local_flush_dcache_folio)(void *args);extern void (*local_flush_icache_range)(void *args);extern void (*local_flush_icache_folio)(void *args);extern void (*local_flush_cache_sigtramp)(void *args); static inline void cache_noop(void *args) { } extern void (*__flush_wback_region)(void *start, int size);extern void (*__flush_purge_region)(void *start, int size);extern void (*__flush_invalidate_region)(void *start, int size); extern void flush_cache_all(void);extern void flush_cache_mm(struct mm_struct *mm);extern void flush_cache_dup_mm(struct mm_struct *mm);extern void flush_cache_page(struct vm_area_struct *vma,				unsigned long addr, unsigned long pfn);extern void flush_cache_range(struct vm_area_struct *vma,				 unsigned long start, unsigned long end);#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1void flush_dcache_folio(struct folio *folio);#define flush_dcache_folio flush_dcache_foliostatic inline void flush_dcache_page(struct page *page){	flush_dcache_folio(page_folio(page));} extern void flush_icache_range(unsigned long start, unsigned long end);#define flush_icache_user_range flush_icache_rangevoid flush_icache_pages(struct vm_area_struct *vma, struct page *page,		unsigned int nr);#define flush_icache_pages flush_icache_pagesextern void flush_cache_sigtramp(unsigned long address); struct flusher_data {	struct vm_area_struct *vma;	unsigned long addr1, addr2;}; #define ARCH_HAS_FLUSH_ANON_PAGEextern void __flush_anon_page(struct page *page, unsigned long); static inline void flush_anon_page(struct vm_area_struct *vma,				   struct page *page, unsigned long vmaddr){	if (boot_cpu_data.dcache.n_aliases && PageAnon(page))		__flush_anon_page(page, vmaddr);} #define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1static inline void flush_kernel_vmap_range(void *addr, int size){	__flush_wback_region(addr, size);}static inline void invalidate_kernel_vmap_range(void *addr, int size){	__flush_invalidate_region(addr, size);} extern void copy_to_user_page(struct vm_area_struct *vma,	struct page *page, unsigned long vaddr, void *dst, const void *src,	unsigned long len); extern void copy_from_user_page(struct vm_area_struct *vma,	struct page *page, unsigned long vaddr, void *dst, const void *src,	unsigned long len); #define flush_cache_vmap(start, end)		local_flush_cache_all(NULL)#define flush_cache_vmap_early(start, end)	do { } while (0)#define flush_cache_vunmap(start, end)		local_flush_cache_all(NULL) #define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0) void kmap_coherent_init(void);void *kmap_coherent(struct page *page, unsigned long addr);void kunmap_coherent(void *kvaddr); #define PG_dcache_clean	PG_arch_1 void cpu_cache_init(void); void __weak l2_cache_init(void); void __weak j2_cache_init(void);void __weak sh2_cache_init(void);void __weak sh2a_cache_init(void);void __weak sh3_cache_init(void);void __weak shx3_cache_init(void);void __weak sh4_cache_init(void);void __weak sh7705_cache_init(void); void __weak sh4__flush_region_init(void); static inline void *sh_cacheop_vaddr(void *vaddr){	if (__in_29bit_mode())		vaddr = (void *)CAC_ADDR((unsigned long)vaddr);	return vaddr;} #endif /* __ASM_SH_CACHEFLUSH_H */