#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) */ |