[mirror_spl.git] / include / sys / uio.h

#ifndef _SPL_UIO_H
#define _SPL_UIO_H

#include <linux/uio.h>
#include <asm/uaccess.h>
#include <sys/types.h>

typedef enum uio_rw {
	UIO_READ =	0,
	UIO_WRITE =	1,
} uio_rw_t;

typedef enum uio_seg {
	UIO_USERSPACE =	0,
	UIO_SYSSPACE =	1,
	UIO_USERISPACE =2,
} uio_seg_t;

typedef struct uio {
	struct iovec	*uio_iov;	/* pointer to array of iovecs */
	int		uio_iovcnt;	/* number of iovecs */
	offset_t	uio_loffset;	/* file offset */
	uio_seg_t	uio_segflg;	/* address space (kernel or user) */
	uint16_t	uio_fmode;	/* file mode flags */
	uint16_t	uio_extflg;	/* extended flags */
	offset_t	uio_limit;	/* u-limit (maximum byte offset) */
	ssize_t		uio_resid;	/* residual count */
} uio_t;

typedef struct aio_req {
	uio_t		*aio_uio;	/* UIO for this request */
	void		*aio_private;
} aio_req_t;

/* XXX: Must be fully implemented when ZVOL is needed, for reference:
 * http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/os/move.c
 */
#if 0
static __inline__ int
uiomove(void *p, size_t n, enum uio_rw rw, struct uio *uio)
{
	return 0;
}
#endif

#endif /* SPL_UIO_H */
Commit	Line	Data
6adf99e7	1	#ifndef _SPL_UIO_H
	2	#define _SPL_UIO_H
	3
73e540a0	4	#include <linux/uio.h>
	5	#include <asm/uaccess.h>
	6	#include <sys/types.h>
	7
4b171585	8	typedef enum uio_rw {
	9	UIO_READ = 0,
	10	UIO_WRITE = 1,
	11	} uio_rw_t;
6adf99e7	12
73e540a0	13	typedef enum uio_seg {
	14	UIO_USERSPACE = 0,
	15	UIO_SYSSPACE = 1,
	16	UIO_USERISPACE =2,
	17	} uio_seg_t;
	18
	19	typedef struct uio {
	20	struct iovec uio_iov; / pointer to array of iovecs */
	21	int uio_iovcnt; /* number of iovecs */
	22	offset_t uio_loffset; /* file offset */
	23	uio_seg_t uio_segflg; /* address space (kernel or user) */
	24	uint16_t uio_fmode; /* file mode flags */
	25	uint16_t uio_extflg; /* extended flags */
	26	offset_t uio_limit; /* u-limit (maximum byte offset) */
	27	ssize_t uio_resid; /* residual count */
	28	} uio_t;
	29
	30	typedef struct aio_req {
	31	uio_t aio_uio; / UIO for this request */
	32	void *aio_private;
	33	} aio_req_t;
	34
	35	/* XXX: Must be fully implemented when ZVOL is needed, for reference:
	36	* http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/os/move.c
	37	*/
	38	#if 0
	39	static __inline__ int
	40	uiomove(void p, size_t n, enum uio_rw rw, struct uio uio)
	41	{
	42	return 0;
	43	}
	44	#endif
6adf99e7	45
6adf99e7	46	#endif /* SPL_UIO_H */