projects / people / ms / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 93c91cb2 LFT |
1 | /* |
| 2 | * Copyright (C) 2003 Microtronix Datacom Ltd. | |
| 3 | * Copyright (C) 2000-2002 Greg Ungerer <gerg@snapgear.com> | |
| 4 | * | |
| 5 | * This file is subject to the terms and conditions of the GNU General Public | |
| 6 | * License. See the file "COPYING" in the main directory of this archive | |
| 7 | * for more details. | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef _ASM_NIOS2_CACHEFLUSH_H | |
| 11 | #define _ASM_NIOS2_CACHEFLUSH_H | |
| 12 | ||
| 13 | #include <linux/mm_types.h> | |
| 14 | ||
| 15 | /* | |
| 16 | * This flag is used to indicate that the page pointed to by a pte is clean | |
| 17 | * and does not require cleaning before returning it to the user. | |
| 18 | */ | |
| 19 | #define PG_dcache_clean PG_arch_1 | |
| 20 | ||
| 21 | struct mm_struct; | |
| 22 | ||
| 23 | extern void flush_cache_all(void); | |
| 24 | extern void flush_cache_mm(struct mm_struct *mm); | |
| 25 | extern void flush_cache_dup_mm(struct mm_struct *mm); | |
| 26 | extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, | |
| 27 | unsigned long end); | |
| 28 | extern void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, | |
| 29 | unsigned long pfn); | |
| 30 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 | |
| 31 | extern void flush_dcache_page(struct page *page); | |
| 32 | ||
| 33 | extern void flush_icache_range(unsigned long start, unsigned long end); | |
| 34 | extern void flush_icache_page(struct vm_area_struct *vma, struct page *page); | |
| 35 | ||
| 36 | #define flush_cache_vmap(start, end) flush_dcache_range(start, end) | |
| 37 | #define flush_cache_vunmap(start, end) flush_dcache_range(start, end) | |
| 38 | ||
| 39 | extern void copy_to_user_page(struct vm_area_struct *vma, struct page *page, | |
| 40 | unsigned long user_vaddr, | |
| 41 | void *dst, void *src, int len); | |
| 42 | extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page, | |
| 43 | unsigned long user_vaddr, | |
| 44 | void *dst, void *src, int len); | |
| 45 | ||
| 46 | extern void flush_dcache_range(unsigned long start, unsigned long end); | |
| 47 | extern void invalidate_dcache_range(unsigned long start, unsigned long end); | |
| 48 | ||
| b93b0163 MW |
49 | #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages) |
| 50 | #define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages) | |
| 93c91cb2 LFT |
51 | |
| 52 | #endif /* _ASM_NIOS2_CACHEFLUSH_H */ |