# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID ebec4edfa8e4036af065e22a6079577b1e2427c7
# Parent e311941eb7bef5cea2fb6c13200571cfa855d8cf
[IA64] dom0 vp model linux part: import dma-mapping.h from linux-2.6.16-rc3
[note: verified same as linux-2.6.16]
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
diff -r e311941eb7be -r ebec4edfa8e4
linux-2.6-xen-sparse/include/asm-ia64/dma-mapping.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux-2.6-xen-sparse/include/asm-ia64/dma-mapping.h Fri Apr 07
14:04:28 2006 -0600
@@ -0,0 +1,65 @@
+#ifndef _ASM_IA64_DMA_MAPPING_H
+#define _ASM_IA64_DMA_MAPPING_H
+
+/*
+ * Copyright (C) 2003-2004 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@xxxxxxxxxx>
+ */
+#include <linux/config.h>
+#include <asm/machvec.h>
+
+#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_for_cpu platform_dma_sync_single_for_cpu
+#define dma_sync_sg_for_cpu platform_dma_sync_sg_for_cpu
+#define dma_sync_single_for_device platform_dma_sync_single_for_device
+#define dma_sync_sg_for_device platform_dma_sync_sg_for_device
+#define dma_mapping_error platform_dma_mapping_error
+
+#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_for_cpu(dev, dma_handle, offset, size, dir)
\
+ dma_sync_single_for_cpu(dev, dma_handle, size, dir)
+#define dma_sync_single_range_for_device(dev, dma_handle, offset, size, dir)
\
+ dma_sync_single_for_device(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;
+}
+
+extern int dma_get_cache_alignment(void);
+
+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 */
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