linux-sg2042/arch/alpha/include/asm/scatterlist.h

26 lines
465 B
C

#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) */