| #ifndef _X8664_SCATTERLIST_H | |
| #define _X8664_SCATTERLIST_H | |
| #include <asm/types.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 |