Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-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 1c5da41..a8d39f2 100644 (file)
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -4,13 +4,152 @@
 #include <linux/config.h>
 
 #ifdef CONFIG_PCI
-#include <asm-generic/dma-mapping.h>
+
+/* we implement the API below in terms of the existing PCI one,
+ * so include it */
+#include <linux/pci.h>
+/* need struct page definitions */
+#include <linux/mm.h>
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       return pci_dma_supported(to_pci_dev(dev), mask);
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+                  gfp_t flag)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       return pci_iommu_ops->alloc_consistent(to_pci_dev(dev), size, dma_handle, flag);
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+                   dma_addr_t dma_handle)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+              enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+                enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+            unsigned long offset, size_t size,
+            enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+              enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+          enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+            enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+                       enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
+                                   size, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+                          enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
+                                      size, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+                   enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+                      enum dma_data_direction direction)
+{
+       BUG_ON(dev->bus != &pci_bus_type);
+
+       pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline int
+dma_mapping_error(dma_addr_t dma_addr)
+{
+       return pci_dma_mapping_error(dma_addr);
+}
+
 #else
 
 struct device;
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-                        dma_addr_t *dma_handle, int flag)
+                        dma_addr_t *dma_handle, gfp_t flag)
 {
        BUG();
        return NULL;