Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _M68KNOMMU_SCATTERLIST_H |
2 | #define _M68KNOMMU_SCATTERLIST_H | |
3 | ||
7cf27cb4 | 4 | #include <linux/mm.h> |
a9dfd281 | 5 | #include <asm/types.h> |
7cf27cb4 | 6 | |
1da177e4 LT |
7 | struct scatterlist { |
8 | struct page *page; | |
9 | unsigned int offset; | |
10 | dma_addr_t dma_address; | |
11 | unsigned int length; | |
12 | }; | |
13 | ||
f75e3b1d | 14 | #define sg_address(sg) (page_address((sg)->page) + (sg)->offset) |
7cf27cb4 GU |
15 | #define sg_dma_address(sg) ((sg)->dma_address) |
16 | #define sg_dma_len(sg) ((sg)->length) | |
17 | ||
1da177e4 LT |
18 | #define ISA_DMA_THRESHOLD (0xffffffff) |
19 | ||
20 | #endif /* !(_M68KNOMMU_SCATTERLIST_H) */ |