1 #ifndef _X8664_SCATTERLIST_H
2 #define _X8664_SCATTERLIST_H
10 dma_addr_t dma_address;
11 unsigned int dma_length;
14 #define ARCH_HAS_SG_CHAIN
16 #define ISA_DMA_THRESHOLD (0x00ffffff)
18 /* These macros should be used after a pci_map_sg call has been done
19 * to get bus addresses of each of the SG entries and their lengths.
20 * You should only work with the number of sg entries pci_map_sg
23 #define sg_dma_address(sg) ((sg)->dma_address)
24 #define sg_dma_len(sg) ((sg)->dma_length)