scatterlist.h
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上传日期:2013-04-10
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文件大小:1k
- #ifndef _ASM_IA64_SCATTERLIST_H
- #define _ASM_IA64_SCATTERLIST_H
- /*
- * Copyright (C) 1998-1999, 2001-2002 Hewlett-Packard Co
- * David Mosberger-Tang <davidm@hpl.hp.com>
- */
- struct scatterlist {
- /* This will disappear in 2.5.x: */
- char *address; /* location data is to be transferred to, NULL for highmem page */
- char *orig_address; /* for use by swiotlb */
- /* These two are only valid if ADDRESS member of this struct is NULL. */
- struct page *page;
- unsigned int offset;
- unsigned int length; /* buffer length */
- };
- #define ISA_DMA_THRESHOLD (~0UL)
- #endif /* _ASM_IA64_SCATTERLIST_H */