This patch is against the current staging tree for xen-unstable.hg.
The swiotlb changes in "[LINUX] dma: Use swiotlb mask for coherent
mappings too" require us to have an asm/swiotlb.h. This patch copies
the i386 swiotlb.h into the ia64 build. Thanks,
Alex
Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
---
diff -r f58b0c778b90 linux-2.6-xen-sparse/include/asm-ia64/swiotlb.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux-2.6-xen-sparse/include/asm-ia64/swiotlb.h Wed Dec 20 12:47:28
2006 -0700
@@ -0,0 +1,45 @@
+#ifndef _ASM_SWIOTLB_H
+#define _ASM_SWIOTLB_H 1
+
+#include <linux/config.h>
+
+/* SWIOTLB interface */
+
+extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, size_t
size,
+ int dir);
+extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
+ size_t size, int dir);
+extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
+ dma_addr_t dev_addr,
+ size_t size, int dir);
+extern void swiotlb_sync_single_for_device(struct device *hwdev,
+ dma_addr_t dev_addr,
+ size_t size, int dir);
+extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
+ struct scatterlist *sg, int nelems,
+ int dir);
+extern void swiotlb_sync_sg_for_device(struct device *hwdev,
+ struct scatterlist *sg, int nelems,
+ int dir);
+extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
+ int nents, int direction);
+extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
+ int nents, int direction);
+extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
+extern dma_addr_t swiotlb_map_page(struct device *hwdev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction direction);
+extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dma_address,
+ size_t size, enum dma_data_direction direction);
+extern int swiotlb_dma_supported(struct device *hwdev, u64 mask);
+extern void swiotlb_init(void);
+
+extern unsigned int dma_bits;
+
+#ifdef CONFIG_SWIOTLB
+extern int swiotlb;
+#else
+#define swiotlb 0
+#endif
+
+#endif
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