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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687/* 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. */
#include <linux/jump_label.h>
DECLARE_STATIC_KEY_TRUE(parisc_has_cache);DECLARE_STATIC_KEY_TRUE(parisc_has_dcache);DECLARE_STATIC_KEY_TRUE(parisc_has_icache);
#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(const void *addr);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 flush_kernel_dcache_range(start,size) \ flush_kernel_dcache_range_asm((start), (start)+(size));
/* The only way to flush a vmap range is to flush whole cache */#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1void flush_kernel_vmap_range(void *vaddr, int size);void invalidate_kernel_vmap_range(void *vaddr, int size);
void flush_cache_vmap(unsigned long start, unsigned long end);#define flush_cache_vmap_early(start, end) do { } while (0)void flush_cache_vunmap(unsigned long start, unsigned long end);
void flush_dcache_folio(struct folio *folio);#define flush_dcache_folio flush_dcache_folio#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1static inline void flush_dcache_page(struct page *page){ flush_dcache_folio(page_folio(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_dcache_mmap_lock_irqsave(mapping, flags) \ xa_lock_irqsave(&mapping->i_pages, flags)#define flush_dcache_mmap_unlock_irqrestore(mapping, flags) \ xa_unlock_irqrestore(&mapping->i_pages, flags)
void flush_icache_pages(struct vm_area_struct *vma, struct page *page, unsigned int nr);#define flush_icache_pages flush_icache_pages
#define flush_icache_range(s,e) do { \ flush_kernel_dcache_range_asm(s,e); \ flush_kernel_icache_range_asm(s,e); \} while (0)
void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long user_vaddr, void *dst, void *src, int len);void copy_from_user_page(struct vm_area_struct *vma, struct page *page, unsigned long user_vaddr, void *dst, void *src, int len);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);
#define ARCH_HAS_FLUSH_ANON_PAGEvoid flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr);
#define ARCH_HAS_FLUSH_ON_KUNMAPvoid kunmap_flush_on_unmap(const void *addr);
#endif /* _PARISC_CACHEFLUSH_H */