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authorJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
committerJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
commit86d688984deefa3ae5a802880c11f2b408b5d6cf (patch)
tree7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /arch/alpha/include/asm/scatterlist.h
parent93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff)
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
Merge branch 'master' into next
Diffstat (limited to 'arch/alpha/include/asm/scatterlist.h')
-rw-r--r--arch/alpha/include/asm/scatterlist.h25
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) */