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Linux kernel mirror (for testing)
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1/* $Id: scatterlist.h,v 1.11 2001/12/17 07:05:15 davem Exp $ */
2#ifndef _SPARC64_SCATTERLIST_H
3#define _SPARC64_SCATTERLIST_H
4
5#include <asm/page.h>
6#include <asm/types.h>
7
8struct scatterlist {
9#ifdef CONFIG_DEBUG_SG
10 unsigned long sg_magic;
11#endif
12 unsigned long page_link;
13 unsigned int offset;
14
15 unsigned int length;
16
17 dma_addr_t dma_address;
18 __u32 dma_length;
19};
20
21#define sg_dma_address(sg) ((sg)->dma_address)
22#define sg_dma_len(sg) ((sg)->dma_length)
23
24#define ISA_DMA_THRESHOLD (~0UL)
25
26#define ARCH_HAS_SG_CHAIN
27
28#endif /* !(_SPARC64_SCATTERLIST_H) */