|  | #ifndef __ASM_AVR32_SCATTERLIST_H | 
|  | #define __ASM_AVR32_SCATTERLIST_H | 
|  |  | 
|  | #include <asm/types.h> | 
|  |  | 
|  | struct scatterlist { | 
|  | #ifdef CONFIG_DEBUG_SG | 
|  | unsigned long	sg_magic; | 
|  | #endif | 
|  | unsigned long	page_link; | 
|  | unsigned int	offset; | 
|  | dma_addr_t		dma_address; | 
|  | unsigned int	length; | 
|  | }; | 
|  |  | 
|  | /* 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)->length) | 
|  |  | 
|  | #define ISA_DMA_THRESHOLD (0xffffffff) | 
|  |  | 
|  | #endif /* __ASM_AVR32_SCATTERLIST_H */ |