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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: scatterlist.h,v 1.8 2001/12/17 07:05:15 davem Exp $ */
2#ifndef _SPARC_SCATTERLIST_H
3#define _SPARC_SCATTERLIST_H
4
5#include <linux/types.h>
6
7struct scatterlist {
8 struct page *page;
9 unsigned int offset;
10
11 unsigned int length;
12
13 __u32 dvma_address; /* A place to hang host-specific addresses at. */
14 __u32 dvma_length;
15};
16
17#define sg_dma_address(sg) ((sg)->dvma_address)
18#define sg_dma_len(sg) ((sg)->dvma_length)
19
20#define ISA_DMA_THRESHOLD (~0UL)
21
22#endif /* !(_SPARC_SCATTERLIST_H) */