[mirror_ubuntu-bionic-kernel.git] / include / linux / scatterlist.h

#ifndef _LINUX_SCATTERLIST_H
#define _LINUX_SCATTERLIST_H

#include <asm/scatterlist.h>
#include <linux/mm.h>
#include <linux/string.h>

static inline void sg_set_buf(struct scatterlist *sg, void *buf,
			      unsigned int buflen)
{
	sg->page = virt_to_page(buf);
	sg->offset = offset_in_page(buf);
	sg->length = buflen;
}

static inline void sg_init_one(struct scatterlist *sg, void *buf,
			       unsigned int buflen)
{
	memset(sg, 0, sizeof(*sg));
	sg_set_buf(sg, buf, buflen);
}

#endif /* _LINUX_SCATTERLIST_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_SCATTERLIST_H
	2	#define _LINUX_SCATTERLIST_H
	3
d32311fe HX	4	#include <asm/scatterlist.h>
	5	#include <linux/mm.h>
	6	#include <linux/string.h>
1da177e4	7
d32311fe HX	8	static inline void sg_set_buf(struct scatterlist sg, void buf,
	9	unsigned int buflen)
	10	{
1da177e4 LT	11	sg->page = virt_to_page(buf);
	12	sg->offset = offset_in_page(buf);
	13	sg->length = buflen;
	14	}
	15
d32311fe HX	16	static inline void sg_init_one(struct scatterlist sg, void buf,
	17	unsigned int buflen)
	18	{
	19	memset(sg, 0, sizeof(*sg));
	20	sg_set_buf(sg, buf, buflen);
	21	}
	22
1da177e4	23	#endif /* _LINUX_SCATTERLIST_H */