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-rw-r--r--include/asm-ppc64/scatterlist.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-ppc64/scatterlist.h b/include/asm-ppc64/scatterlist.h
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index 000000000000..cecce6c6dfbb
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+++ b/include/asm-ppc64/scatterlist.h
@@ -0,0 +1,31 @@
+#ifndef _PPC64_SCATTERLIST_H
+#define _PPC64_SCATTERLIST_H
+
+/*
+ * Copyright (C) 2001 PPC64 Team, IBM Corp
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/types.h>
+#include <asm/dma.h>
+
+struct scatterlist {
+ struct page *page;
+ unsigned int offset;
+ unsigned int length;
+
+ /* For TCE support */
+ u32 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 /* !(_PPC64_SCATTERLIST_H) */