| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 { |
| Jens Axboe | d6ec084 | 2007-10-22 20:01:06 +0200 | [diff] [blame] | 8 | #ifdef CONFIG_DEBUG_SG |
| 9 | unsigned long sg_magic; |
| 10 | #endif |
| Jens Axboe | 18dabf4 | 2007-10-22 19:57:20 +0200 | [diff] [blame] | 11 | unsigned long page_link; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Jens Axboe | 0912a5d | 2007-05-14 15:44:38 +0200 | [diff] [blame] | 25 | #define ARCH_HAS_SG_CHAIN |
| 26 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #endif /* !(_SPARC_SCATTERLIST_H) */ |