scatterlist.h
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上传日期:2013-02-24
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- /* $Id: scatterlist.h,v 1.10 2001/10/09 02:24:35 davem Exp $ */
- #ifndef _SPARC64_SCATTERLIST_H
- #define _SPARC64_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 /* !(_SPARC64_SCATTERLIST_H) */