/* SPDX-License-Identifier: GPL-2.0 */#ifndef _PARISC_CACHEFLUSH_H#define _PARISC_CACHEFLUSH_H #include <linux/mm.h>#include <linux/uaccess.h>#include <asm/tlbflush.h> /* The usual comment is "Caches aren't brain-dead on the <architecture>". * Unfortunately, that doesn't apply to PA-RISC. */ /* Internal implementation */void flush_data_cache_local(void *);  /* flushes local data-cache only */void flush_instruction_cache_local(void *); /* flushes local code-cache only */#ifdef CONFIG_SMPvoid flush_data_cache(void); /* flushes data-cache only (all processors) */void flush_instruction_cache(void); /* flushes i-cache only (all processors) */#else#define flush_data_cache() flush_data_cache_local(NULL)#define flush_instruction_cache() flush_instruction_cache_local(NULL)#endif #define flush_cache_dup_mm(mm) flush_cache_mm(mm) void flush_user_icache_range_asm(unsigned long, unsigned long);void flush_kernel_icache_range_asm(unsigned long, unsigned long);void flush_user_dcache_range_asm(unsigned long, unsigned long);void flush_kernel_dcache_range_asm(unsigned long, unsigned long);void purge_kernel_dcache_range_asm(unsigned long, unsigned long);void flush_kernel_dcache_page_asm(void *);void flush_kernel_icache_page(void *); /* Cache flush operations */ void flush_cache_all_local(void);void flush_cache_all(void);void flush_cache_mm(struct mm_struct *mm); #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGEvoid flush_kernel_dcache_page_addr(void *addr);static inline void flush_kernel_dcache_page(struct page *page){	flush_kernel_dcache_page_addr(page_address(page));} #define flush_kernel_dcache_range(start,size) \	flush_kernel_dcache_range_asm((start), (start)+(size)); void flush_kernel_vmap_range(void *vaddr, int size);void invalidate_kernel_vmap_range(void *vaddr, int size); #define flush_cache_vmap(start, end)		flush_cache_all()#define flush_cache_vunmap(start, end)		flush_cache_all() #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1extern void flush_dcache_page(struct page *page); #define flush_dcache_mmap_lock(mapping)		xa_lock_irq(&mapping->i_pages)#define flush_dcache_mmap_unlock(mapping)	xa_unlock_irq(&mapping->i_pages) #define flush_icache_page(vma,page)	do { 		\	flush_kernel_dcache_page(page);			\	flush_kernel_icache_page(page_address(page)); 	\} while (0) #define flush_icache_range(s,e)		do { 		\	flush_kernel_dcache_range_asm(s,e); 		\	flush_kernel_icache_range_asm(s,e); 		\} while (0) #define copy_to_user_page(vma, page, vaddr, dst, src, len) \do { \	flush_cache_page(vma, vaddr, page_to_pfn(page)); \	memcpy(dst, src, len); \	flush_kernel_dcache_range_asm((unsigned long)dst, (unsigned long)dst + len); \} while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \do { \	flush_cache_page(vma, vaddr, page_to_pfn(page)); \	memcpy(dst, src, len); \} while (0) void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn);void flush_cache_range(struct vm_area_struct *vma,		unsigned long start, unsigned long end); /* defined in pacache.S exported in cache.c used by flush_anon_page */void flush_dcache_page_asm(unsigned long phys_addr, unsigned long vaddr); #define ARCH_HAS_FLUSH_ANON_PAGEstatic inline voidflush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr){	if (PageAnon(page)) {		flush_tlb_page(vma, vmaddr);		preempt_disable();		flush_dcache_page_asm(page_to_phys(page), vmaddr);		preempt_enable();	}} #define ARCH_HAS_FLUSH_ON_KUNMAPstatic inline void kunmap_flush_on_unmap(void *addr){	flush_kernel_dcache_page_addr(addr);} #endif /* _PARISC_CACHEFLUSH_H */