1 #ifndef _ASM_PARISC_SCATTERLIST_H
2 #define _ASM_PARISC_SCATTERLIST_H
9 unsigned long sg_magic;
11 unsigned long page_link;
16 /* an IOVA can be 64-bits on some PA-Risc platforms. */
17 dma_addr_t iova; /* I/O Virtual Address */
18 __u32 iova_length; /* bytes mapped */
21 #define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
22 #define sg_dma_address(sg) ((sg)->iova)
23 #define sg_dma_len(sg) ((sg)->iova_length)
25 #define ISA_DMA_THRESHOLD (~0UL)
27 #endif /* _ASM_PARISC_SCATTERLIST_H */