Merge master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6
[linux-2.6] / include / asm-sh64 / cacheflush.h
1 #ifndef __ASM_SH64_CACHEFLUSH_H
2 #define __ASM_SH64_CACHEFLUSH_H
3
4 #ifndef __ASSEMBLY__
5
6 #include <asm/page.h>
7
8 struct vm_area_struct;
9 struct page;
10 struct mm_struct;
11
12 extern void flush_cache_all(void);
13 extern void flush_cache_mm(struct mm_struct *mm);
14 extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
15 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
16                               unsigned long end);
17 extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
18 extern void flush_dcache_page(struct page *pg);
19 extern void flush_icache_range(unsigned long start, unsigned long end);
20 extern void flush_icache_user_range(struct vm_area_struct *vma,
21                                     struct page *page, unsigned long addr,
22                                     int len);
23
24 #define flush_dcache_mmap_lock(mapping)         do { } while (0)
25 #define flush_dcache_mmap_unlock(mapping)       do { } while (0)
26
27 #define flush_cache_vmap(start, end)            flush_cache_all()
28 #define flush_cache_vunmap(start, end)          flush_cache_all()
29
30 #define flush_icache_page(vma, page)    do { } while (0)
31
32 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
33         do {                                                    \
34                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
35                 memcpy(dst, src, len);                          \
36                 flush_icache_user_range(vma, page, vaddr, len); \
37         } while (0)
38
39 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
40         do {                                                    \
41                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
42                 memcpy(dst, src, len);                          \
43         } while (0)
44
45 #endif /* __ASSEMBLY__ */
46
47 #endif /* __ASM_SH64_CACHEFLUSH_H */
48