mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 18:11:00 +03:00
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* $FreeBSD$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _OPENSOLARIS_SYS_UIO_H_
|
||
|
|
#define _OPENSOLARIS_SYS_UIO_H_
|
||
|
|
|
||
|
|
#include_next <sys/uio.h>
|
||
|
|
#include <sys/_uio.h>
|
||
|
|
#include <sys/debug.h>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#define uio_loffset uio_offset
|
||
|
|
|
||
|
|
typedef struct uio uio_t;
|
||
|
|
typedef struct iovec iovec_t;
|
||
|
|
typedef enum uio_seg uio_seg_t;
|
||
|
|
|
||
|
|
typedef enum xuio_type {
|
||
|
|
UIOTYPE_ASYNCIO,
|
||
|
|
UIOTYPE_ZEROCOPY
|
||
|
|
} xuio_type_t;
|
||
|
|
|
||
|
|
typedef struct xuio {
|
||
|
|
uio_t xu_uio;
|
||
|
|
|
||
|
|
/* Extended uio fields */
|
||
|
|
enum xuio_type xu_type; /* What kind of uio structure? */
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
int xu_zc_rw;
|
||
|
|
void *xu_zc_priv;
|
||
|
|
} xu_zc;
|
||
|
|
} xu_ext;
|
||
|
|
} xuio_t;
|
||
|
|
|
||
|
|
#define XUIO_XUZC_PRIV(xuio) xuio->xu_ext.xu_zc.xu_zc_priv
|
||
|
|
#define XUIO_XUZC_RW(xuio) xuio->xu_ext.xu_zc.xu_zc_rw
|
||
|
|
|
||
|
|
static __inline int
|
||
|
|
zfs_uiomove(void *cp, size_t n, enum uio_rw dir, uio_t *uio)
|
||
|
|
{
|
||
|
|
|
||
|
|
ASSERT(uio->uio_rw == dir);
|
||
|
|
return (uiomove(cp, (int)n, uio));
|
||
|
|
}
|
||
|
|
#define uiomove(cp, n, dir, uio) zfs_uiomove((cp), (n), (dir), (uio))
|
||
|
|
|
||
|
|
int uiocopy(void *p, size_t n, enum uio_rw rw, struct uio *uio, size_t *cbytes);
|
||
|
|
void uioskip(uio_t *uiop, size_t n);
|
||
|
|
|
||
|
|
#endif /* !_OPENSOLARIS_SYS_UIO_H_ */
|