Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 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) */ |