1 files changed, 21 insertions, 0 deletions

diff --git a/include/asm-alpha/scatterlist.h b/include/asm-alpha/scatterlist.h
new file mode 100644
index 000000000000..6afb8bd3aaf9
--- /dev/null
+++ b/include/asm-alpha/scatterlist.h
@@ -0,0 +1,21 @@
+#ifndef _ALPHA_SCATTERLIST_H
+#define _ALPHA_SCATTERLIST_H
+
+#include <asm/page.h>
+  
+struct scatterlist {
+        struct page *page;
+        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) */