Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _ALPHA_SCATTERLIST_H |
2 | #define _ALPHA_SCATTERLIST_H | |
3 | ||
4 | #include <asm/page.h> | |
a9dfd281 | 5 | #include <asm/types.h> |
1da177e4 LT |
6 | |
7 | struct scatterlist { | |
d6ec0842 JA |
8 | #ifdef CONFIG_DEBUG_SG |
9 | unsigned long sg_magic; | |
10 | #endif | |
18dabf47 | 11 | unsigned long page_link; |
1da177e4 LT |
12 | unsigned int offset; |
13 | ||
14 | unsigned int length; | |
15 | ||
16 | dma_addr_t dma_address; | |
17 | __u32 dma_length; | |
18 | }; | |
19 | ||
20 | #define sg_dma_address(sg) ((sg)->dma_address) | |
21 | #define sg_dma_len(sg) ((sg)->dma_length) | |
22 | ||
23 | #define ISA_DMA_THRESHOLD (~0UL) | |
24 | ||
25 | #endif /* !(_ALPHA_SCATTERLIST_H) */ |