diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_ioctl32.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl32.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c new file mode 100644 index 000000000000..7a12c83184f5 --- /dev/null +++ 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 | |||
54 | typedef 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 | |||
61 | static unsigned long | ||
62 | xfs_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 | |||
81 | static 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 | |||
155 | long xfs_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg) | ||
156 | { | ||
157 | return __xfs_compat_ioctl(0, f, cmd, arg); | ||
158 | } | ||
159 | |||
160 | long xfs_compat_invis_ioctl(struct file *f, unsigned cmd, unsigned long arg) | ||
161 | { | ||
162 | return __xfs_compat_ioctl(IO_INVIS, f, cmd, arg); | ||
163 | } | ||