| /* |
| * 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_ |
| |
| #ifndef _STANDALONE |
| |
| #include_next <sys/uio.h> |
| #include <sys/_uio.h> |
| #include <sys/debug.h> |
| |
| typedef struct iovec iovec_t; |
| typedef enum uio_seg zfs_uio_seg_t; |
| typedef enum uio_rw zfs_uio_rw_t; |
| |
| typedef struct zfs_uio { |
| struct uio *uio; |
| } zfs_uio_t; |
| |
| #define GET_UIO_STRUCT(u) (u)->uio |
| #define zfs_uio_segflg(u) GET_UIO_STRUCT(u)->uio_segflg |
| #define zfs_uio_offset(u) GET_UIO_STRUCT(u)->uio_offset |
| #define zfs_uio_resid(u) GET_UIO_STRUCT(u)->uio_resid |
| #define zfs_uio_iovcnt(u) GET_UIO_STRUCT(u)->uio_iovcnt |
| #define zfs_uio_iovlen(u, idx) GET_UIO_STRUCT(u)->uio_iov[(idx)].iov_len |
| #define zfs_uio_iovbase(u, idx) GET_UIO_STRUCT(u)->uio_iov[(idx)].iov_base |
| #define zfs_uio_td(u) GET_UIO_STRUCT(u)->uio_td |
| #define zfs_uio_rw(u) GET_UIO_STRUCT(u)->uio_rw |
| #define zfs_uio_fault_disable(u, set) |
| #define zfs_uio_prefaultpages(size, u) (0) |
| |
| static inline void |
| zfs_uio_setoffset(zfs_uio_t *uio, offset_t off) |
| { |
| zfs_uio_offset(uio) = off; |
| } |
| |
| static inline void |
| zfs_uio_advance(zfs_uio_t *uio, size_t size) |
| { |
| zfs_uio_resid(uio) -= size; |
| zfs_uio_offset(uio) += size; |
| } |
| |
| static __inline void |
| zfs_uio_init(zfs_uio_t *uio, struct uio *uio_s) |
| { |
| GET_UIO_STRUCT(uio) = uio_s; |
| } |
| |
| int zfs_uio_fault_move(void *p, size_t n, zfs_uio_rw_t dir, zfs_uio_t *uio); |
| |
| #endif /* !_STANDALONE */ |
| |
| #endif /* !_OPENSOLARIS_SYS_UIO_H_ */ |