1 #ifndef _ASM_PARISC_SCATTERLIST_H
2 #define _ASM_PARISC_SCATTERLIST_H
12 /* an IOVA can be 64-bits on some PA-Risc platforms. */
13 dma_addr_t iova; /* I/O Virtual Address */
14 __u32 iova_length; /* bytes mapped */
17 #define sg_virt_addr(sg) ((unsigned long)(page_address(sg->page) + sg->offset))
18 #define sg_dma_address(sg) ((sg)->iova)
19 #define sg_dma_len(sg) ((sg)->iova_length)
21 #define ISA_DMA_THRESHOLD (~0UL)
23 #endif /* _ASM_PARISC_SCATTERLIST_H */