freebsd-nq/include/sys/uio.h
behlendo 73e540a0d1 Drop unicode support, provided in ZFS tree libport
Update uio support


git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@42 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-03-13 19:49:09 +00:00

47 lines
1.1 KiB
C

#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 */