| #ifndef _X8664_SCATTERLIST_H |
| #define _X8664_SCATTERLIST_H |
| |
| struct scatterlist { |
| struct page *page; |
| unsigned int offset; |
| unsigned int length; |
| dma_addr_t dma_address; |
| unsigned int dma_length; |
| }; |
| |
| #define ISA_DMA_THRESHOLD (0x00ffffff) |
| |
| /* These macros should be used after a pci_map_sg call has been done |
| * to get bus addresses of each of the SG entries and their lengths. |
| * You should only work with the number of sg entries pci_map_sg |
| * returns. |
| */ |
| #define sg_dma_address(sg) ((sg)->dma_address) |
| #define sg_dma_len(sg) ((sg)->dma_length) |
| |
| #endif |
