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1#ifndef __ASM_AVR32_SCATTERLIST_H
2#define __ASM_AVR32_SCATTERLIST_H
3
4#include <asm/types.h>
5
6struct scatterlist {
7#ifdef CONFIG_DEBUG_SG
8 unsigned long sg_magic;
9#endif
10 unsigned long page_link;
11 unsigned int offset;
12 dma_addr_t dma_address;
13 unsigned int length;
14};
15
16/* These macros should be used after a pci_map_sg call has been done
17 * to get bus addresses of each of the SG entries and their lengths.
18 * You should only work with the number of sg entries pci_map_sg
19 * returns.
20 */
21#define sg_dma_address(sg) ((sg)->dma_address)
22#define sg_dma_len(sg) ((sg)->length)
23
24#define ISA_DMA_THRESHOLD (0xffffffff)
25
26#endif /* __ASM_AVR32_SCATTERLIST_H */