| 1 | #ifndef _LINUX_SCATTERLIST_H |
| 2 | #define _LINUX_SCATTERLIST_H |
| 3 | |
| 4 | #include <asm/scatterlist.h> |
| 5 | #include <linux/mm.h> |
| 6 | #include <linux/string.h> |
| 7 | |
| 8 | static inline void sg_set_buf(struct scatterlist *sg, const void *buf, |
| 9 | unsigned int buflen) |
| 10 | { |
| 11 | sg->page = virt_to_page(buf); |
| 12 | sg->offset = offset_in_page(buf); |
| 13 | sg->length = buflen; |
| 14 | } |
| 15 | |
| 16 | static inline void sg_init_one(struct scatterlist *sg, const void *buf, |
| 17 | unsigned int buflen) |
| 18 | { |
| 19 | memset(sg, 0, sizeof(*sg)); |
| 20 | sg_set_buf(sg, buf, buflen); |
| 21 | } |
| 22 | |
| 23 | #endif /* _LINUX_SCATTERLIST_H */ |