i386/x86_64: move headers to include/asm-x86

Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 203 insertions, 0 deletions

diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
new file mode 100644
index 000000000000..6897e2a436e5
--- /dev/null
+++ b/include/asm-x86/dma-mapping_64.h
@@ -0,0 +1,203 @@
+#ifndef _X8664_DMA_MAPPING_H
+#define _X8664_DMA_MAPPING_H 1
+
+/*
+ * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
+ * documentation.
+ */
+
+
+#include <asm/scatterlist.h>
+#include <asm/io.h>
+#include <asm/swiotlb.h>
+
+struct dma_mapping_ops {
+        int             (*mapping_error)(dma_addr_t dma_addr);
+        void*           (*alloc_coherent)(struct device *dev, size_t size,
+                                dma_addr_t *dma_handle, gfp_t gfp);
+        void            (*free_coherent)(struct device *dev, size_t size,
+                                void *vaddr, dma_addr_t dma_handle);
+        dma_addr_t      (*map_single)(struct device *hwdev, void *ptr,
+                                size_t size, int direction);
+        /* like map_single, but doesn't check the device mask */
+        dma_addr_t      (*map_simple)(struct device *hwdev, char *ptr,
+                                size_t size, int direction);
+        void            (*unmap_single)(struct device *dev, dma_addr_t addr,
+                                size_t size, int direction);
+        void            (*sync_single_for_cpu)(struct device *hwdev,
+                                dma_addr_t dma_handle, size_t size,
+                                int direction);
+        void            (*sync_single_for_device)(struct device *hwdev,
+                                dma_addr_t dma_handle, size_t size,
+                                int direction);
+        void            (*sync_single_range_for_cpu)(struct device *hwdev,
+                                dma_addr_t dma_handle, unsigned long offset,
+                                size_t size, int direction);
+        void            (*sync_single_range_for_device)(struct device *hwdev,
+                                dma_addr_t dma_handle, unsigned long offset,
+                                size_t size, int direction);
+        void            (*sync_sg_for_cpu)(struct device *hwdev,
+                                struct scatterlist *sg, int nelems,
+                                int direction);
+        void            (*sync_sg_for_device)(struct device *hwdev,
+                                struct scatterlist *sg, int nelems,
+                                int direction);
+        int             (*map_sg)(struct device *hwdev, struct scatterlist *sg,
+                                int nents, int direction);
+        void            (*unmap_sg)(struct device *hwdev,
+                                struct scatterlist *sg, int nents,
+                                int direction);
+        int             (*dma_supported)(struct device *hwdev, u64 mask);
+        int             is_phys;
+};
+
+extern dma_addr_t bad_dma_address;
+extern const struct dma_mapping_ops* dma_ops;
+extern int iommu_merge;
+
+static inline int dma_mapping_error(dma_addr_t dma_addr)
+{
+        if (dma_ops->mapping_error)
+                return dma_ops->mapping_error(dma_addr);
+
+        return (dma_addr == bad_dma_address);
+}
+
+#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_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)
+
+extern void *dma_alloc_coherent(struct device *dev, size_t size,
+                                dma_addr_t *dma_handle, gfp_t gfp);
+extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
+                              dma_addr_t dma_handle);
+
+static inline dma_addr_t
+dma_map_single(struct device *hwdev, void *ptr, size_t size,
+               int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        return dma_ops->map_single(hwdev, ptr, size, direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
+                 int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        dma_ops->unmap_single(dev, addr, size, direction);
+}
+
+#define dma_map_page(dev,page,offset,size,dir) \
+        dma_map_single((dev), page_address(page)+(offset), (size), (dir))
+
+#define dma_unmap_page dma_unmap_single
+
+static inline void
+dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
+                        size_t size, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_single_for_cpu)
+                dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
+                                             direction);
+        flush_write_buffers();
+}
+
+static inline void
+dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
+                           size_t size, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_single_for_device)
+                dma_ops->sync_single_for_device(hwdev, dma_handle, size,
+                                                direction);
+        flush_write_buffers();
+}
+
+static inline void
+dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
+                              unsigned long offset, size_t size, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_single_range_for_cpu) {
+                dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset, size, direction);
+        }
+
+        flush_write_buffers();
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
+                                 unsigned long offset, size_t size, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_single_range_for_device)
+                dma_ops->sync_single_range_for_device(hwdev, dma_handle,
+                                                      offset, size, direction);
+
+        flush_write_buffers();
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
+                    int nelems, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_sg_for_cpu)
+                dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
+        flush_write_buffers();
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
+                       int nelems, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_sg_for_device) {
+                dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction);
+        }
+
+        flush_write_buffers();
+}
+
+static inline int
+dma_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        return dma_ops->map_sg(hwdev, sg, nents, direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
+             int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        dma_ops->unmap_sg(hwdev, sg, nents, direction);
+}
+
+extern int dma_supported(struct device *hwdev, u64 mask);
+
+/* same for gart, swiotlb, and nommu */
+static inline int dma_get_cache_alignment(void)
+{
+        return boot_cpu_data.x86_clflush_size;
+}
+
+#define dma_is_consistent(d, h) 1
+
+extern int dma_set_mask(struct device *dev, u64 mask);
+
+static inline void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+        enum dma_data_direction dir)
+{
+        flush_write_buffers();
+}
+
+extern struct device fallback_dev;
+extern int panic_on_overflow;
+
+#endif /* _X8664_DMA_MAPPING_H */