1 /* $Id: scatterlist.h,v 1.7 2001/10/30 04:34:57 davem Exp $ */
2 #ifndef _SPARC_SCATTERLIST_H
3 #define _SPARC_SCATTERLIST_H
4 
5 #include <linux/types.h>
6 
7 struct scatterlist {
8 	/* This will disappear in 2.5.x */
9 	char *address;
10 
11 	/* These two are only valid if ADDRESS member of this
12 	 * struct is NULL.
13 	 */
14 	struct page *page;
15 	unsigned int offset;
16 
17 	unsigned int length;
18 
19 	__u32 dvma_address; /* A place to hang host-specific addresses at. */
20 	__u32 dvma_length;
21 };
22 
23 #define sg_dma_address(sg) ((sg)->dvma_address)
24 #define sg_dma_len(sg)     ((sg)->dvma_length)
25 
26 #define ISA_DMA_THRESHOLD (~0UL)
27 
28 #endif /* !(_SPARC_SCATTERLIST_H) */
29