60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://github.com/behlendorf/spl/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#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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#endif /* SPL_UIO_H */
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