| Robert Reif | aa83a26 | 2008-12-11 20:24:58 -0800 | [diff] [blame] | 1 | #ifndef _SPARC_SCATTERLIST_H |
| 2 | #define _SPARC_SCATTERLIST_H |
| 3 | |
| 4 | #include <asm/page.h> |
| 5 | #include <asm/types.h> |
| 6 | |
| 7 | struct scatterlist { |
| 8 | #ifdef CONFIG_DEBUG_SG |
| 9 | unsigned long sg_magic; |
| Sam Ravnborg | a439fe5 | 2008-07-27 23:00:59 +0200 | [diff] [blame] | 10 | #endif |
| Robert Reif | aa83a26 | 2008-12-11 20:24:58 -0800 | [diff] [blame] | 11 | unsigned long page_link; |
| 12 | unsigned int offset; |
| 13 | |
| 14 | unsigned int length; |
| 15 | |
| 16 | dma_addr_t dma_address; |
| 17 | __u32 dma_length; |
| 18 | }; |
| 19 | |
| 20 | #define sg_dma_address(sg) ((sg)->dma_address) |
| 21 | #define sg_dma_len(sg) ((sg)->dma_length) |
| 22 | |
| 23 | #define ISA_DMA_THRESHOLD (~0UL) |
| 24 | |
| 25 | #define ARCH_HAS_SG_CHAIN |
| 26 | |
| 27 | #endif /* !(_SPARC_SCATTERLIST_H) */ |