2 * Copyright (c) 2004-2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 #include <linux/compat.h>
19 #include <linux/init.h>
20 #include <linux/ioctl.h>
21 #include <linux/syscalls.h>
22 #include <linux/types.h>
24 #include <asm/uaccess.h>
26 #include "xfs_types.h"
29 #include "xfs_vnode.h"
30 #include "xfs_dfrag.h"
32 #define _NATIVE_IOC(cmd, type) \
33 _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))
35 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
36 #define BROKEN_X86_ALIGNMENT
37 /* on ia32 l_start is on a 32-bit boundary */
38 typedef struct xfs_flock64_32 {
41 __s64 l_start __attribute__((packed));
42 /* len == 0 means until end of file */
43 __s64 l_len __attribute__((packed));
46 __s32 l_pad[4]; /* reserve area */
49 #define XFS_IOC_ALLOCSP_32 _IOW ('X', 10, struct xfs_flock64_32)
50 #define XFS_IOC_FREESP_32 _IOW ('X', 11, struct xfs_flock64_32)
51 #define XFS_IOC_ALLOCSP64_32 _IOW ('X', 36, struct xfs_flock64_32)
52 #define XFS_IOC_FREESP64_32 _IOW ('X', 37, struct xfs_flock64_32)
53 #define XFS_IOC_RESVSP_32 _IOW ('X', 40, struct xfs_flock64_32)
54 #define XFS_IOC_UNRESVSP_32 _IOW ('X', 41, struct xfs_flock64_32)
55 #define XFS_IOC_RESVSP64_32 _IOW ('X', 42, struct xfs_flock64_32)
56 #define XFS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct xfs_flock64_32)
58 /* just account for different alignment */
63 xfs_flock64_32_t __user *p32 = (void __user *)arg;
64 xfs_flock64_t __user *p = compat_alloc_user_space(sizeof(*p));
66 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
67 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
68 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
69 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
70 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
71 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
72 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
75 return (unsigned long)p;
80 typedef struct xfs_fsop_bulkreq32 {
81 compat_uptr_t lastip; /* last inode # pointer */
82 __s32 icount; /* count of entries in buffer */
83 compat_uptr_t ubuffer; /* user buffer for inode desc. */
84 __s32 ocount; /* output count pointer */
85 } xfs_fsop_bulkreq32_t;
91 xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg;
92 xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p));
95 if (get_user(addr, &p32->lastip) ||
96 put_user(compat_ptr(addr), &p->lastip) ||
97 copy_in_user(&p->icount, &p32->icount, sizeof(s32)) ||
98 get_user(addr, &p32->ubuffer) ||
99 put_user(compat_ptr(addr), &p->ubuffer) ||
100 get_user(addr, &p32->ocount) ||
101 put_user(compat_ptr(addr), &p->ocount))
104 return (unsigned long)p;
115 struct inode *inode = file->f_dentry->d_inode;
116 bhv_vnode_t *vp = vn_from_inode(inode);
120 case XFS_IOC_DIOINFO:
121 case XFS_IOC_FSGEOMETRY_V1:
122 case XFS_IOC_FSGEOMETRY:
123 case XFS_IOC_GETVERSION:
124 case XFS_IOC_GETXFLAGS:
125 case XFS_IOC_SETXFLAGS:
126 case XFS_IOC_FSGETXATTR:
127 case XFS_IOC_FSSETXATTR:
128 case XFS_IOC_FSGETXATTRA:
129 case XFS_IOC_FSSETDM:
130 case XFS_IOC_GETBMAP:
131 case XFS_IOC_GETBMAPA:
132 case XFS_IOC_GETBMAPX:
134 case XFS_IOC_FD_TO_HANDLE:
135 case XFS_IOC_PATH_TO_HANDLE:
136 case XFS_IOC_PATH_TO_FSHANDLE:
137 case XFS_IOC_OPEN_BY_HANDLE:
138 case XFS_IOC_FSSETDM_BY_HANDLE:
139 case XFS_IOC_READLINK_BY_HANDLE:
140 case XFS_IOC_ATTRLIST_BY_HANDLE:
141 case XFS_IOC_ATTRMULTI_BY_HANDLE:
143 case XFS_IOC_FSCOUNTS:
144 case XFS_IOC_SET_RESBLKS:
145 case XFS_IOC_GET_RESBLKS:
146 case XFS_IOC_FSGROWFSDATA:
147 case XFS_IOC_FSGROWFSLOG:
148 case XFS_IOC_FSGROWFSRT:
151 case XFS_IOC_GOINGDOWN:
152 case XFS_IOC_ERROR_INJECTION:
153 case XFS_IOC_ERROR_CLEARALL:
156 #ifdef BROKEN_X86_ALIGNMENT
157 /* xfs_flock_t has wrong u32 vs u64 alignment */
158 case XFS_IOC_ALLOCSP_32:
159 case XFS_IOC_FREESP_32:
160 case XFS_IOC_ALLOCSP64_32:
161 case XFS_IOC_FREESP64_32:
162 case XFS_IOC_RESVSP_32:
163 case XFS_IOC_UNRESVSP_32:
164 case XFS_IOC_RESVSP64_32:
165 case XFS_IOC_UNRESVSP64_32:
166 arg = xfs_ioctl32_flock(arg);
167 cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
170 #else /* These are handled fine if no alignment issues */
171 case XFS_IOC_ALLOCSP:
174 case XFS_IOC_UNRESVSP:
175 case XFS_IOC_ALLOCSP64:
176 case XFS_IOC_FREESP64:
177 case XFS_IOC_RESVSP64:
178 case XFS_IOC_UNRESVSP64:
181 /* xfs_bstat_t still has wrong u32 vs u64 alignment */
182 case XFS_IOC_SWAPEXT:
185 case XFS_IOC_FSBULKSTAT_SINGLE:
186 case XFS_IOC_FSBULKSTAT:
187 case XFS_IOC_FSINUMBERS:
188 arg = xfs_ioctl32_bulkstat(arg);
195 error = bhv_vop_ioctl(vp, inode, file, mode, cmd, (void __user *)arg);
202 xfs_file_compat_ioctl(
207 return xfs_compat_ioctl(0, file, cmd, arg);
211 xfs_file_compat_invis_ioctl(
216 return xfs_compat_ioctl(IO_INVIS, file, cmd, arg);