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Robert Reifaa83a262008-12-11 20:24:58 -08001#ifndef _SPARC_SCATTERLIST_H
2#define _SPARC_SCATTERLIST_H
3
4#include <asm/page.h>
5#include <asm/types.h>
6
7struct scatterlist {
8#ifdef CONFIG_DEBUG_SG
9 unsigned long sg_magic;
Sam Ravnborga439fe52008-07-27 23:00:59 +020010#endif
Robert Reifaa83a262008-12-11 20:24:58 -080011 unsigned long page_link;
12 unsigned int offset;
13
14 unsigned int length;
15
16 dma_addr_t dma_address;
17 __u32 dma_length;
18};
19
20#define sg_dma_address(sg) ((sg)->dma_address)
21#define sg_dma_len(sg) ((sg)->dma_length)
22
23#define ISA_DMA_THRESHOLD (~0UL)
24
25#define ARCH_HAS_SG_CHAIN
26
27#endif /* !(_SPARC_SCATTERLIST_H) */