X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-avr32%2Fscatterlist.h;fp=include%2Fasm-avr32%2Fscatterlist.h;h=bfe7d753423cbed4e476010a0b3b6a72dfde36e2;hb=76828883507a47dae78837ab5dec5a5b4513c667;hp=0000000000000000000000000000000000000000;hpb=64ba3f394c830ec48a1c31b53dcae312c56f1604;p=linux-2.6.git diff --git a/include/asm-avr32/scatterlist.h b/include/asm-avr32/scatterlist.h new file mode 100644 index 000000000..bfe7d7534 --- /dev/null +++ b/include/asm-avr32/scatterlist.h @@ -0,0 +1,21 @@ +#ifndef __ASM_AVR32_SCATTERLIST_H +#define __ASM_AVR32_SCATTERLIST_H + +struct scatterlist { + struct page *page; + 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 */