1 files changed, 25 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/scatterlist.h b/arch/alpha/include/asm/scatterlist.h
new file mode 100644
index 00000000000..440747ca634
--- /dev/null
+++ b/arch/alpha/include/asm/scatterlist.h
@@ -0,0 +1,25 @@
+#ifndef _ALPHA_SCATTERLIST_H
+#define _ALPHA_SCATTERLIST_H
+
+#include <asm/page.h>
+#include <asm/types.h>
+  
+struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+	unsigned long sg_magic;
+#endif
+	unsigned long page_link;
+	unsigned int offset;
+
+	unsigned int length;
+
+	dma_addr_t dma_address;
+	__u32 dma_length;
+};
+
+#define sg_dma_address(sg)	((sg)->dma_address)
+#define sg_dma_len(sg)		((sg)->dma_length)
+
+#define ISA_DMA_THRESHOLD (~0UL)
+
+#endif /* !(_ALPHA_SCATTERLIST_H) */