Fix arch headers.

[linux-flexiantxendom0-3.2.10.git] / include / asm-ia64 / dma-mapping.h

diff --git a/include/asm-ia64/dma-mapping.h b/include/asm-ia64/dma-mapping.h
index e7e1690..83cceb6 100644 (file)
--- a/include/asm-ia64/dma-mapping.h
+++ b/include/asm-ia64/dma-mapping.h
@@ -1 +1,63 @@
-#include <asm-generic/dma-mapping.h>
+#ifndef _ASM_IA64_DMA_MAPPING_H
+#define _ASM_IA64_DMA_MAPPING_H
+
+/*
+ * Copyright (C) 2003 Hewlett-Packard Co
+ *     David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#define dma_alloc_coherent     platform_dma_alloc_coherent
+#define dma_alloc_noncoherent  platform_dma_alloc_coherent     /* coherent mem. is cheap */
+#define dma_free_coherent      platform_dma_free_coherent
+#define dma_free_noncoherent   platform_dma_free_coherent
+#define dma_map_single         platform_dma_map_single
+#define dma_map_sg             platform_dma_map_sg
+#define dma_unmap_single       platform_dma_unmap_single
+#define dma_unmap_sg           platform_dma_unmap_sg
+#define dma_sync_single                platform_dma_sync_single
+#define dma_sync_sg            platform_dma_sync_sg
+
+#define dma_map_page(dev, pg, off, size, dir)                          \
+       dma_map_single(dev, page_address(pg) + (off), (size), (dir))
+#define dma_unmap_page(dev, dma_addr, size, dir)                       \
+       dma_unmap_single(dev, dma_addr, size, dir)
+
+/*
+ * Rest of this file is part of the "Advanced DMA API".  Use at your own risk.
+ * See Documentation/DMA-API.txt for details.
+ */
+
+#define dma_sync_single_range(dev, dma_handle, offset, size, dir)      \
+       dma_sync_single(dev, dma_handle, size, dir)
+
+#define dma_supported          platform_dma_supported
+
+static inline int
+dma_set_mask (struct device *dev, u64 mask)
+{
+       if (!dev->dma_mask || !dma_supported(dev, mask))
+               return -EIO;
+       *dev->dma_mask = mask;
+       return 0;
+}
+
+static inline int
+dma_get_cache_alignment (void)
+{
+       extern int ia64_max_cacheline_size;
+       return ia64_max_cacheline_size;
+}
+
+static inline void
+dma_cache_sync (void *vaddr, size_t size, enum dma_data_direction dir)
+{
+       /*
+        * IA-64 is cache-coherent, so this is mostly a no-op.  However, we do need to
+        * ensure that dma_cache_sync() enforces order, hence the mb().
+        */
+       mb();
+}
+
+#define dma_is_consistent(dma_handle)  (1)     /* all we do is coherent memory... */
+
+#endif /* _ASM_IA64_DMA_MAPPING_H */