| #ifndef _ASMARM_SCATTERLIST_H | |
| #define _ASMARM_SCATTERLIST_H | |
| #include <asm/memory.h> | |
| #include <asm/types.h> | |
| struct scatterlist { | |
| struct page *page; /* buffer page */ | |
| unsigned int offset; /* buffer offset */ | |
| dma_addr_t dma_address; /* dma address */ | |
| unsigned int length; /* 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, or alternatively stop on the first sg_dma_len(sg) which | |
| * is 0. | |
| */ | |
| #define sg_dma_address(sg) ((sg)->dma_address) | |
| #define sg_dma_len(sg) ((sg)->length) | |
| #endif /* _ASMARM_SCATTERLIST_H */ |