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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127/* 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 */