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1da177e4 LT |
1 | /* $Id: scatterlist.h,v 1.8 2001/12/17 07:05:15 davem Exp $ */ |
2 | #ifndef _SPARC_SCATTERLIST_H | |
3 | #define _SPARC_SCATTERLIST_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | ||
7 | struct scatterlist { | |
d6ec0842 JA |
8 | #ifdef CONFIG_DEBUG_SG |
9 | unsigned long sg_magic; | |
10 | #endif | |
18dabf47 | 11 | unsigned long page_link; |
1da177e4 LT |
12 | unsigned int offset; |
13 | ||
14 | unsigned int length; | |
15 | ||
16 | __u32 dvma_address; /* A place to hang host-specific addresses at. */ | |
17 | __u32 dvma_length; | |
18 | }; | |
19 | ||
20 | #define sg_dma_address(sg) ((sg)->dvma_address) | |
21 | #define sg_dma_len(sg) ((sg)->dvma_length) | |
22 | ||
23 | #define ISA_DMA_THRESHOLD (~0UL) | |
24 | ||
0912a5db JA |
25 | #define ARCH_HAS_SG_CHAIN |
26 | ||
1da177e4 | 27 | #endif /* !(_SPARC_SCATTERLIST_H) */ |