summaryrefslogtreecommitdiff
path: root/include/asm-sparc64/scatterlist.h
blob: 703c5bbe6c8cdc4a06aa44f2a64c5d4bde5adc8d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/* $Id: scatterlist.h,v 1.11 2001/12/17 07:05:15 davem Exp $ */
#ifndef _SPARC64_SCATTERLIST_H
#define _SPARC64_SCATTERLIST_H

#include <asm/page.h>
#include <asm/types.h>

struct scatterlist {
	struct page	*page;
	unsigned int	offset;

	unsigned int	length;

	dma_addr_t	dma_address;
	__u32		dma_length;
};

#define sg_dma_address(sg)	((sg)->dma_address)
#define sg_dma_len(sg)     	((sg)->dma_length)

#define ISA_DMA_THRESHOLD	(~0UL)

#define ARCH_HAS_SG_CHAIN

#endif /* !(_SPARC64_SCATTERLIST_H) */