]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | ||
16 | struct 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) */ |