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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ALPHA_SCATTERLIST_H
2#define _ALPHA_SCATTERLIST_H
3
4#include <asm/page.h>
Jean Delvarea9dfd282007-03-06 02:45:12 -08005#include <asm/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006
7struct scatterlist {
8 struct page *page;
9 unsigned int offset;
10
11 unsigned int length;
12
13 dma_addr_t dma_address;
14 __u32 dma_length;
15};
16
17#define sg_dma_address(sg) ((sg)->dma_address)
18#define sg_dma_len(sg) ((sg)->dma_length)
19
20#define ISA_DMA_THRESHOLD (~0UL)
21
22#endif /* !(_ALPHA_SCATTERLIST_H) */