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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it would be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
11 | * | |
12 | * Further, this software is distributed without any warranty that it is | |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
22 | * | |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, | |
24 | * Mountain View, CA 94043, or: | |
25 | * | |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ | |
31 | * | |
32 | * Portions Copyright (c) 1982, 1986, 1993, 1994 | |
33 | * The Regents of the University of California. All rights reserved. | |
34 | * | |
35 | * Redistribution and use in source and binary forms, with or without | |
36 | * modification, are permitted provided that the following conditions | |
37 | * are met: | |
38 | * 1. Redistributions of source code must retain the above copyright | |
39 | * notice, this list of conditions and the following disclaimer. | |
40 | * 2. Redistributions in binary form must reproduce the above copyright | |
41 | * notice, this list of conditions and the following disclaimer in the | |
42 | * documentation and/or other materials provided with the distribution. | |
43 | * 3. Neither the name of the University nor the names of its contributors | |
44 | * may be used to endorse or promote products derived from this software | |
45 | * without specific prior written permission. | |
46 | * | |
47 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
48 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
49 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
50 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
51 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
52 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
53 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
54 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
55 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
56 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
57 | * SUCH DAMAGE. | |
58 | */ | |
59 | #ifndef __XFS_SUPPORT_MOVE_H__ | |
60 | #define __XFS_SUPPORT_MOVE_H__ | |
61 | ||
62 | #include <linux/uio.h> | |
63 | #include <asm/uaccess.h> | |
64 | ||
65 | /* Segment flag values. */ | |
66 | enum uio_seg { | |
67 | UIO_USERSPACE, /* from user data space */ | |
68 | UIO_SYSSPACE, /* from system space */ | |
69 | }; | |
70 | ||
71 | struct uio { | |
72 | struct iovec *uio_iov; /* pointer to array of iovecs */ | |
73 | int uio_iovcnt; /* number of iovecs in array */ | |
74 | xfs_off_t uio_offset; /* offset in file this uio corresponds to */ | |
75 | int uio_resid; /* residual i/o count */ | |
76 | enum uio_seg uio_segflg; /* see above */ | |
77 | }; | |
78 | ||
79 | typedef struct uio uio_t; | |
80 | typedef struct iovec iovec_t; | |
81 | ||
82 | extern int uio_read (caddr_t, size_t, uio_t *); | |
83 | ||
84 | #endif /* __XFS_SUPPORT_MOVE_H__ */ |