|  | /* $Id: scatterlist.h,v 1.8 2001/12/17 07:05:15 davem Exp $ */ | 
|  | #ifndef _SPARC_SCATTERLIST_H | 
|  | #define _SPARC_SCATTERLIST_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  |  | 
|  | struct scatterlist { | 
|  | #ifdef CONFIG_DEBUG_SG | 
|  | unsigned long sg_magic; | 
|  | #endif | 
|  | unsigned long page_link; | 
|  | unsigned int offset; | 
|  |  | 
|  | unsigned int length; | 
|  |  | 
|  | __u32 dvma_address; /* A place to hang host-specific addresses at. */ | 
|  | __u32 dvma_length; | 
|  | }; | 
|  |  | 
|  | #define sg_dma_address(sg) ((sg)->dvma_address) | 
|  | #define sg_dma_len(sg)     ((sg)->dvma_length) | 
|  |  | 
|  | #define ISA_DMA_THRESHOLD (~0UL) | 
|  |  | 
|  | #define ARCH_HAS_SG_CHAIN | 
|  |  | 
|  | #endif /* !(_SPARC_SCATTERLIST_H) */ |