Merge branches 'at91', 'cache', 'cup', 'ep93xx', 'ixp4xx', 'nuc', 'pending-dma-stream...

[sfrench/cifs-2.6.git] / arch / arm / include / asm / cacheflush.h

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 730aefcfbee3eb8e0c46ea0a6dc0b9ba0fd1e27f..be8b4d79cf414690504a6e4d8669a8ed2b0a8e67 100644 (file)
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -182,21 +182,6 @@
  *     DMA Cache Coherency
  *     ===================
  *
- *     dma_inv_range(start, end)
- *
- *             Invalidate (discard) the specified virtual address range.
- *             May not write back any entries.  If 'start' or 'end'
- *             are not cache line aligned, those lines must be written
- *             back.
- *             - start  - virtual start address
- *             - end    - virtual end address
- *
- *     dma_clean_range(start, end)
- *
- *             Clean (write back) the specified virtual address range.
- *             - start  - virtual start address
- *             - end    - virtual end address
- *
  *     dma_flush_range(start, end)
  *
  *             Clean and invalidate the specified virtual address range.
@@ -213,8 +198,9 @@ struct cpu_cache_fns {
        void (*coherent_user_range)(unsigned long, unsigned long);
        void (*flush_kern_dcache_area)(void *, size_t);
 
-       void (*dma_inv_range)(const void *, const void *);
-       void (*dma_clean_range)(const void *, const void *);
+       void (*dma_map_area)(const void *, size_t, int);
+       void (*dma_unmap_area)(const void *, size_t, int);
+
        void (*dma_flush_range)(const void *, const void *);
 };
 
@@ -244,8 +230,8 @@ extern struct cpu_cache_fns cpu_cache;
  * is visible to DMA, or data written by DMA to system memory is
  * visible to the CPU.
  */
-#define dmac_inv_range                 cpu_cache.dma_inv_range
-#define dmac_clean_range               cpu_cache.dma_clean_range
+#define dmac_map_area                  cpu_cache.dma_map_area
+#define dmac_unmap_area                cpu_cache.dma_unmap_area
 #define dmac_flush_range               cpu_cache.dma_flush_range
 
 #else
@@ -270,12 +256,12 @@ extern void __cpuc_flush_dcache_area(void *, size_t);
  * is visible to DMA, or data written by DMA to system memory is
  * visible to the CPU.
  */
-#define dmac_inv_range                 __glue(_CACHE,_dma_inv_range)
-#define dmac_clean_range               __glue(_CACHE,_dma_clean_range)
+#define dmac_map_area                  __glue(_CACHE,_dma_map_area)
+#define dmac_unmap_area                __glue(_CACHE,_dma_unmap_area)
 #define dmac_flush_range               __glue(_CACHE,_dma_flush_range)
 
-extern void dmac_inv_range(const void *, const void *);
-extern void dmac_clean_range(const void *, const void *);
+extern void dmac_map_area(const void *, size_t, int);
+extern void dmac_unmap_area(const void *, size_t, int);
 extern void dmac_flush_range(const void *, const void *);
 
 #endif
@@ -316,12 +302,8 @@ static inline void outer_flush_range(unsigned long start, unsigned long end)
  * processes address space.  Really, we want to allow our "user
  * space" model to handle this.
  */
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                                    \
-               memcpy(dst, src, len);                          \
-               flush_ptrace_access(vma, page, vaddr, dst, len, 1);\
-       } while (0)
-
+extern void copy_to_user_page(struct vm_area_struct *, struct page *,
+       unsigned long, void *, const void *, unsigned long);
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
        do {                                                    \
                memcpy(dst, src, len);                          \
@@ -355,17 +337,6 @@ vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig
        }
 }
 
-static inline void
-vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
-                        unsigned long uaddr, void *kaddr,
-                        unsigned long len, int write)
-{
-       if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
-               unsigned long addr = (unsigned long)kaddr;
-               __cpuc_coherent_kern_range(addr, addr + len);
-       }
-}
-
 #ifndef CONFIG_CPU_CACHE_VIPT
 #define flush_cache_mm(mm) \
                vivt_flush_cache_mm(mm)
@@ -373,15 +344,10 @@ vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
                vivt_flush_cache_range(vma,start,end)
 #define flush_cache_page(vma,addr,pfn) \
                vivt_flush_cache_page(vma,addr,pfn)
-#define flush_ptrace_access(vma,page,ua,ka,len,write) \
-               vivt_flush_ptrace_access(vma,page,ua,ka,len,write)
 #else
 extern void flush_cache_mm(struct mm_struct *mm);
 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
 extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
-extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
-                               unsigned long uaddr, void *kaddr,
-                               unsigned long len, int write);
 #endif
 
 #define flush_cache_dup_mm(mm) flush_cache_mm(mm)