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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_ioctl32.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl32.c163
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diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
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+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -0,0 +1,163 @@
1/*
2 * Copyright (c) 2004 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
33#include <linux/config.h>
34#include <linux/compat.h>
35#include <linux/init.h>
36#include <linux/ioctl.h>
37#include <linux/ioctl32.h>
38#include <linux/syscalls.h>
39#include <linux/types.h>
40#include <linux/fs.h>
41#include <asm/uaccess.h>
42
43#include "xfs.h"
44#include "xfs_types.h"
45#include "xfs_fs.h"
46#include "xfs_vfs.h"
47#include "xfs_vnode.h"
48#include "xfs_dfrag.h"
49
50#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
51#define BROKEN_X86_ALIGNMENT
52#else
53
54typedef struct xfs_fsop_bulkreq32 {
55 compat_uptr_t lastip; /* last inode # pointer */
56 __s32 icount; /* count of entries in buffer */
57 compat_uptr_t ubuffer; /* user buffer for inode desc. */
58 __s32 ocount; /* output count pointer */
59} xfs_fsop_bulkreq32_t;
60
61static unsigned long
62xfs_ioctl32_bulkstat(unsigned long arg)
63{
64 xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg;
65 xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p));
66 u32 addr;
67
68 if (get_user(addr, &p32->lastip) ||
69 put_user(compat_ptr(addr), &p->lastip) ||
70 copy_in_user(&p->icount, &p32->icount, sizeof(s32)) ||
71 get_user(addr, &p32->ubuffer) ||
72 put_user(compat_ptr(addr), &p->ubuffer) ||
73 get_user(addr, &p32->ocount) ||
74 put_user(compat_ptr(addr), &p->ocount))
75 return -EFAULT;
76
77 return (unsigned long)p;
78}
79#endif
80
81static long
82__xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
83{
84 int error;
85 struct inode *inode = f->f_dentry->d_inode;
86 vnode_t *vp = LINVFS_GET_VP(inode);
87
88 switch (cmd) {
89 case XFS_IOC_DIOINFO:
90 case XFS_IOC_FSGEOMETRY_V1:
91 case XFS_IOC_FSGEOMETRY:
92 case XFS_IOC_GETVERSION:
93 case XFS_IOC_GETXFLAGS:
94 case XFS_IOC_SETXFLAGS:
95 case XFS_IOC_FSGETXATTR:
96 case XFS_IOC_FSSETXATTR:
97 case XFS_IOC_FSGETXATTRA:
98 case XFS_IOC_FSSETDM:
99 case XFS_IOC_GETBMAP:
100 case XFS_IOC_GETBMAPA:
101 case XFS_IOC_GETBMAPX:
102/* not handled
103 case XFS_IOC_FD_TO_HANDLE:
104 case XFS_IOC_PATH_TO_HANDLE:
105 case XFS_IOC_PATH_TO_HANDLE:
106 case XFS_IOC_PATH_TO_FSHANDLE:
107 case XFS_IOC_OPEN_BY_HANDLE:
108 case XFS_IOC_FSSETDM_BY_HANDLE:
109 case XFS_IOC_READLINK_BY_HANDLE:
110 case XFS_IOC_ATTRLIST_BY_HANDLE:
111 case XFS_IOC_ATTRMULTI_BY_HANDLE:
112*/
113 case XFS_IOC_FSCOUNTS:
114 case XFS_IOC_SET_RESBLKS:
115 case XFS_IOC_GET_RESBLKS:
116 case XFS_IOC_FSGROWFSDATA:
117 case XFS_IOC_FSGROWFSLOG:
118 case XFS_IOC_FSGROWFSRT:
119 case XFS_IOC_FREEZE:
120 case XFS_IOC_THAW:
121 case XFS_IOC_GOINGDOWN:
122 case XFS_IOC_ERROR_INJECTION:
123 case XFS_IOC_ERROR_CLEARALL:
124 break;
125
126#ifndef BROKEN_X86_ALIGNMENT
127 /* xfs_flock_t and xfs_bstat_t have wrong u32 vs u64 alignment */
128 case XFS_IOC_ALLOCSP:
129 case XFS_IOC_FREESP:
130 case XFS_IOC_RESVSP:
131 case XFS_IOC_UNRESVSP:
132 case XFS_IOC_ALLOCSP64:
133 case XFS_IOC_FREESP64:
134 case XFS_IOC_RESVSP64:
135 case XFS_IOC_UNRESVSP64:
136 case XFS_IOC_SWAPEXT:
137 break;
138
139 case XFS_IOC_FSBULKSTAT_SINGLE:
140 case XFS_IOC_FSBULKSTAT:
141 case XFS_IOC_FSINUMBERS:
142 arg = xfs_ioctl32_bulkstat(arg);
143 break;
144#endif
145 default:
146 return -ENOIOCTLCMD;
147 }
148
149 VOP_IOCTL(vp, inode, f, mode, cmd, (void __user *)arg, error);
150 VMODIFY(vp);
151
152 return error;
153}
154
155long xfs_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
156{
157 return __xfs_compat_ioctl(0, f, cmd, arg);
158}
159
160long xfs_compat_invis_ioctl(struct file *f, unsigned cmd, unsigned long arg)
161{
162 return __xfs_compat_ioctl(IO_INVIS, f, cmd, arg);
163}