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Linux kernel mirror (for testing)
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1#ifndef _PPC64_SCATTERLIST_H
2#define _PPC64_SCATTERLIST_H
3
4/*
5 * Copyright (C) 2001 PPC64 Team, IBM Corp
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#include <linux/types.h>
14#include <asm/dma.h>
15
16struct scatterlist {
17 struct page *page;
18 unsigned int offset;
19 unsigned int length;
20
21 /* For TCE support */
22 u32 dma_address;
23 u32 dma_length;
24};
25
26#define sg_dma_address(sg) ((sg)->dma_address)
27#define sg_dma_len(sg) ((sg)->dma_length)
28
29#define ISA_DMA_THRESHOLD (~0UL)
30
31#endif /* !(_PPC64_SCATTERLIST_H) */