| #ifndef _ASM_PARISC_SCATTERLIST_H | |
| #define _ASM_PARISC_SCATTERLIST_H | |
| #include <asm/page.h> | |
| #include <asm/types.h> | |
| struct scatterlist { | |
| #ifdef CONFIG_DEBUG_SG | |
| unsigned long sg_magic; | |
| #endif | |
| unsigned long page_link; | |
| unsigned int offset; | |
| unsigned int length; | |
| /* an IOVA can be 64-bits on some PA-Risc platforms. */ | |
| dma_addr_t iova; /* I/O Virtual Address */ | |
| __u32 iova_length; /* bytes mapped */ | |
| }; | |
| #define sg_virt_addr(sg) ((unsigned long)sg_virt(sg)) | |
| #define sg_dma_address(sg) ((sg)->iova) | |
| #define sg_dma_len(sg) ((sg)->iova_length) | |
| #define ISA_DMA_THRESHOLD (~0UL) | |
| #endif /* _ASM_PARISC_SCATTERLIST_H */ |