scatterlist.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- #ifndef _ALPHA_SCATTERLIST_H
- #define _ALPHA_SCATTERLIST_H
- #include <asm/page.h>
-
- struct scatterlist {
- /* This will disappear in 2.5.x */
- char *address;
- /* These two are only valid if ADDRESS member of this
- struct is NULL. */
- struct page *page;
- 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) */