X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-x86%2Fscatterlist.h;h=d13c197866d627daa572c6928034e639dc2b17f2;hb=78c6146f16d45f52c33ddb6b48c10fc6cfc53659;hp=3a1e76257a27635419ed72aa2822cfc50b1743ff;hpb=dd6d1844af33acb4edd0a40b1770d091a22c94be;p=linux-2.6

diff --git a/include/asm-x86/scatterlist.h b/include/asm-x86/scatterlist.h
index 3a1e76257a..d13c197866 100644
--- a/include/asm-x86/scatterlist.h
+++ b/include/asm-x86/scatterlist.h
@@ -1,5 +1,35 @@
+#ifndef _ASM_X86_SCATTERLIST_H
+#define _ASM_X86_SCATTERLIST_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;
+#ifdef CONFIG_X86_64
+	unsigned int	dma_length;
+#endif
+};
+
+#define ARCH_HAS_SG_CHAIN
+#define ISA_DMA_THRESHOLD (0x00ffffff)
+
+/*
+ * These macros should be used after a pci_map_sg call has been done
+ * to get bus addresses of each of the SG entries and their lengths.
+ * You should only work with the number of sg entries pci_map_sg
+ * returns.
+ */
+#define sg_dma_address(sg)	((sg)->dma_address)
 #ifdef CONFIG_X86_32
-# include "scatterlist_32.h"
+# define sg_dma_len(sg)		((sg)->length)
 #else
-# include "scatterlist_64.h"
+# define sg_dma_len(sg)		((sg)->dma_length)
+#endif
+
 #endif