xref: /linux-6.15/include/linux/scatterlist.h (revision eb2bce7f)
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 */
24