1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* Copyright (c) 2004 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include <linux/config.h>
#include <linux/compat.h>
#include <linux/init.h>
#include <linux/ioctl.h>
#include <linux/ioctl32.h>
#include <linux/syscalls.h>
#include <linux/types.h>
#include <linux/fs.h>
#include <asm/uaccess.h>
#include "xfs.h"
#include "xfs_types.h"
#include "xfs_fs.h"
#include "xfs_vfs.h"
#include "xfs_vnode.h"
#include "xfs_dfrag.h"
#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
#define BROKEN_X86_ALIGNMENT
#else
typedef struct xfs_fsop_bulkreq32 {
compat_uptr_t lastip; /* last inode # pointer */
__s32 icount; /* count of entries in buffer */
compat_uptr_t ubuffer; /* user buffer for inode desc. */
__s32 ocount; /* output count pointer */
} xfs_fsop_bulkreq32_t;
static unsigned long
xfs_ioctl32_bulkstat(unsigned long arg)
{
xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg;
xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p));
u32 addr;
if (get_user(addr, &p32->lastip) ||
put_user(compat_ptr(addr), &p->lastip) ||
copy_in_user(&p->icount, &p32->icount, sizeof(s32)) ||
get_user(addr, &p32->ubuffer) ||
put_user(compat_ptr(addr), &p->ubuffer) ||
get_user(addr, &p32->ocount) ||
put_user(compat_ptr(addr), &p->ocount))
return -EFAULT;
return (unsigned long)p;
}
#endif
static long
__xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
{
int error;
struct inode *inode = f->f_dentry->d_inode;
vnode_t *vp = LINVFS_GET_VP(inode);
switch (cmd) {
case XFS_IOC_DIOINFO:
case XFS_IOC_FSGEOMETRY_V1:
case XFS_IOC_FSGEOMETRY:
case XFS_IOC_GETVERSION:
case XFS_IOC_GETXFLAGS:
case XFS_IOC_SETXFLAGS:
case XFS_IOC_FSGETXATTR:
case XFS_IOC_FSSETXATTR:
case XFS_IOC_FSGETXATTRA:
case XFS_IOC_FSSETDM:
case XFS_IOC_GETBMAP:
case XFS_IOC_GETBMAPA:
case XFS_IOC_GETBMAPX:
/* not handled
case XFS_IOC_FD_TO_HANDLE:
case XFS_IOC_PATH_TO_HANDLE:
case XFS_IOC_PATH_TO_HANDLE:
case XFS_IOC_PATH_TO_FSHANDLE:
case XFS_IOC_OPEN_BY_HANDLE:
case XFS_IOC_FSSETDM_BY_HANDLE:
case XFS_IOC_READLINK_BY_HANDLE:
case XFS_IOC_ATTRLIST_BY_HANDLE:
case XFS_IOC_ATTRMULTI_BY_HANDLE:
*/
case XFS_IOC_FSCOUNTS:
case XFS_IOC_SET_RESBLKS:
case XFS_IOC_GET_RESBLKS:
case XFS_IOC_FSGROWFSDATA:
case XFS_IOC_FSGROWFSLOG:
case XFS_IOC_FSGROWFSRT:
case XFS_IOC_FREEZE:
case XFS_IOC_THAW:
case XFS_IOC_GOINGDOWN:
case XFS_IOC_ERROR_INJECTION:
case XFS_IOC_ERROR_CLEARALL:
break;
#ifndef BROKEN_X86_ALIGNMENT
/* xfs_flock_t and xfs_bstat_t have wrong u32 vs u64 alignment */
case XFS_IOC_ALLOCSP:
case XFS_IOC_FREESP:
case XFS_IOC_RESVSP:
case XFS_IOC_UNRESVSP:
case XFS_IOC_ALLOCSP64:
case XFS_IOC_FREESP64:
case XFS_IOC_RESVSP64:
case XFS_IOC_UNRESVSP64:
case XFS_IOC_SWAPEXT:
break;
case XFS_IOC_FSBULKSTAT_SINGLE:
case XFS_IOC_FSBULKSTAT:
case XFS_IOC_FSINUMBERS:
arg = xfs_ioctl32_bulkstat(arg);
break;
#endif
default:
return -ENOIOCTLCMD;
}
VOP_IOCTL(vp, inode, f, mode, cmd, (void __user *)arg, error);
VMODIFY(vp);
return error;
}
long xfs_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
{
return __xfs_compat_ioctl(0, f, cmd, arg);
}
long xfs_compat_invis_ioctl(struct file *f, unsigned cmd, unsigned long arg)
{
return __xfs_compat_ioctl(IO_INVIS, f, cmd, arg);
}
|
