Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

[sfrench/cifs-2.6.git] / include / asm-sparc64 / dma-mapping.h

diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 3c2b5bc8650b46491edb4c015ac687697ba3bc29..0f5b89c9323bfb936ac27380594c1bc4ab7f740f 100644 (file)
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -162,4 +162,47 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
 
 #endif /* PCI */
 
+
+/* Now for the API extensions over the pci_ one */
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d)   (1)
+
+static inline int
+dma_get_cache_alignment(void)
+{
+       /* no easy way to get cache size on all processors, so return
+        * the maximum possible, to be safe */
+       return (1 << INTERNODE_CACHE_SHIFT);
+}
+
+static inline void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
+                             unsigned long offset, size_t size,
+                             enum dma_data_direction direction)
+{
+       /* just sync everything, that's all the pci API can do */
+       dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
+                                unsigned long offset, size_t size,
+                                enum dma_data_direction direction)
+{
+       /* just sync everything, that's all the pci API can do */
+       dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_cache_sync(void *vaddr, size_t size,
+              enum dma_data_direction direction)
+{
+       /* could define this in terms of the dma_cache ... operations,
+        * but if you get this on a platform, you should convert the platform
+        * to using the generic device DMA API */
+       BUG();
+}
+
 #endif /* _ASM_SPARC64_DMA_MAPPING_H */