1 #ifndef _ASM_IA64_SCATTERLIST_H
2 #define _ASM_IA64_SCATTERLIST_H
3
4 /*
5 * Copyright (C) 1998, 1999 Hewlett-Packard Co
6 * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
7 */
8
9 struct scatterlist {
10 char *address; /* location data is to be transferred to */
11 /*
12 * Location of actual buffer if ADDRESS points to a DMA
13 * indirection buffer, NULL otherwise:
14 */
15 char *alt_address;
16 char *orig_address; /* Save away the original buffer address (used by pci-dma.c) */
17 unsigned int length; /* buffer length */
18 };
19
20 #define ISA_DMA_THRESHOLD (~0UL)
21
22 #endif /* _ASM_IA64_SCATTERLIST_H */
23
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