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f5e706ad SR |
1 | #ifndef _SPARC_SCATTERLIST_H |
2 | #define _SPARC_SCATTERLIST_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | ||
6 | struct scatterlist { | |
7 | #ifdef CONFIG_DEBUG_SG | |
8 | unsigned long sg_magic; | |
9 | #endif | |
10 | unsigned long page_link; | |
11 | unsigned int offset; | |
12 | ||
13 | unsigned int length; | |
14 | ||
15 | __u32 dvma_address; /* A place to hang host-specific addresses at. */ | |
16 | __u32 dvma_length; | |
17 | }; | |
18 | ||
19 | #define sg_dma_address(sg) ((sg)->dvma_address) | |
20 | #define sg_dma_len(sg) ((sg)->dvma_length) | |
21 | ||
22 | #define ISA_DMA_THRESHOLD (~0UL) | |
23 | ||
24 | #define ARCH_HAS_SG_CHAIN | |
25 | ||
26 | #endif /* !(_SPARC_SCATTERLIST_H) */ |