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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#ifndef _SPL_UIO_H
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#define _SPL_UIO_H
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#include <linux/uio.h>
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#include <asm/uaccess.h>
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#include <sys/types.h>
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typedef enum uio_rw {
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UIO_READ = 0,
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UIO_WRITE = 1,
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} uio_rw_t;
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typedef enum uio_seg {
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UIO_USERSPACE = 0,
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UIO_SYSSPACE = 1,
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UIO_USERISPACE =2,
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} uio_seg_t;
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typedef struct uio {
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struct iovec *uio_iov; /* pointer to array of iovecs */
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int uio_iovcnt; /* number of iovecs */
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offset_t uio_loffset; /* file offset */
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uio_seg_t uio_segflg; /* address space (kernel or user) */
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uint16_t uio_fmode; /* file mode flags */
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uint16_t uio_extflg; /* extended flags */
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offset_t uio_limit; /* u-limit (maximum byte offset) */
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ssize_t uio_resid; /* residual count */
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} uio_t;
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typedef struct aio_req {
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uio_t *aio_uio; /* UIO for this request */
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void *aio_private;
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} aio_req_t;
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/* XXX: Must be fully implemented when ZVOL is needed, for reference:
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* http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/os/move.c
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*/
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#if 0
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static __inline__ int
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uiomove(void *p, size_t n, enum uio_rw rw, struct uio *uio)
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{
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return 0;
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}
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#endif
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#endif /* SPL_UIO_H */
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