#ifndef _ALPHA_SCATTERLIST_H | |
#define _ALPHA_SCATTERLIST_H | |
#include <asm/page.h> | |
#include <asm/types.h> | |
struct scatterlist { | |
#ifdef CONFIG_DEBUG_SG | |
unsigned long sg_magic; | |
#endif | |
unsigned long page_link; | |
unsigned int offset; | |
unsigned int length; | |
dma_addr_t dma_address; | |
__u32 dma_length; | |
}; | |
#define sg_dma_address(sg) ((sg)->dma_address) | |
#define sg_dma_len(sg) ((sg)->dma_length) | |
#define ISA_DMA_THRESHOLD (~0UL) | |
#endif /* !(_ALPHA_SCATTERLIST_H) */ |