/*
- * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2004-2005 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
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms 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.
+ * 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. See the
+ * GNU General Public License for more details.
*
- * 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/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
-#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_bit.h"
+#include "xfs_log.h"
+#include "xfs_inum.h"
+#include "xfs_trans.h"
+#include "xfs_sb.h"
+#include "xfs_ag.h"
+#include "xfs_dir2.h"
+#include "xfs_dmapi.h"
+#include "xfs_mount.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_attr_sf.h"
+#include "xfs_dir2_sf.h"
#include "xfs_vfs.h"
#include "xfs_vnode.h"
+#include "xfs_dinode.h"
+#include "xfs_inode.h"
+#include "xfs_itable.h"
+#include "xfs_error.h"
#include "xfs_dfrag.h"
+#include "xfs_vnodeops.h"
+#include "xfs_ioctl32.h"
+
+#define _NATIVE_IOC(cmd, type) \
+ _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))
#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
#define BROKEN_X86_ALIGNMENT
+#define _PACKED __attribute__((packed))
+/* on ia32 l_start is on a 32-bit boundary */
+typedef struct xfs_flock64_32 {
+ __s16 l_type;
+ __s16 l_whence;
+ __s64 l_start __attribute__((packed));
+ /* len == 0 means until end of file */
+ __s64 l_len __attribute__((packed));
+ __s32 l_sysid;
+ __u32 l_pid;
+ __s32 l_pad[4]; /* reserve area */
+} xfs_flock64_32_t;
+
+#define XFS_IOC_ALLOCSP_32 _IOW ('X', 10, struct xfs_flock64_32)
+#define XFS_IOC_FREESP_32 _IOW ('X', 11, struct xfs_flock64_32)
+#define XFS_IOC_ALLOCSP64_32 _IOW ('X', 36, struct xfs_flock64_32)
+#define XFS_IOC_FREESP64_32 _IOW ('X', 37, struct xfs_flock64_32)
+#define XFS_IOC_RESVSP_32 _IOW ('X', 40, struct xfs_flock64_32)
+#define XFS_IOC_UNRESVSP_32 _IOW ('X', 41, struct xfs_flock64_32)
+#define XFS_IOC_RESVSP64_32 _IOW ('X', 42, struct xfs_flock64_32)
+#define XFS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct xfs_flock64_32)
+
+/* just account for different alignment */
+STATIC unsigned long
+xfs_ioctl32_flock(
+ unsigned long arg)
+{
+ xfs_flock64_32_t __user *p32 = (void __user *)arg;
+ xfs_flock64_t __user *p = compat_alloc_user_space(sizeof(*p));
+
+ if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
+ copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
+ copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
+ copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
+ copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
+ copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
+ copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
+ return -EFAULT;
+
+ return (unsigned long)p;
+}
+
+typedef struct compat_xfs_fsop_geom_v1 {
+ __u32 blocksize; /* filesystem (data) block size */
+ __u32 rtextsize; /* realtime extent size */
+ __u32 agblocks; /* fsblocks in an AG */
+ __u32 agcount; /* number of allocation groups */
+ __u32 logblocks; /* fsblocks in the log */
+ __u32 sectsize; /* (data) sector size, bytes */
+ __u32 inodesize; /* inode size in bytes */
+ __u32 imaxpct; /* max allowed inode space(%) */
+ __u64 datablocks; /* fsblocks in data subvolume */
+ __u64 rtblocks; /* fsblocks in realtime subvol */
+ __u64 rtextents; /* rt extents in realtime subvol*/
+ __u64 logstart; /* starting fsblock of the log */
+ unsigned char uuid[16]; /* unique id of the filesystem */
+ __u32 sunit; /* stripe unit, fsblocks */
+ __u32 swidth; /* stripe width, fsblocks */
+ __s32 version; /* structure version */
+ __u32 flags; /* superblock version flags */
+ __u32 logsectsize; /* log sector size, bytes */
+ __u32 rtsectsize; /* realtime sector size, bytes */
+ __u32 dirblocksize; /* directory block size, bytes */
+} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
+
+#define XFS_IOC_FSGEOMETRY_V1_32 \
+ _IOR ('X', 100, struct compat_xfs_fsop_geom_v1)
+
+STATIC unsigned long xfs_ioctl32_geom_v1(unsigned long arg)
+{
+ compat_xfs_fsop_geom_v1_t __user *p32 = (void __user *)arg;
+ xfs_fsop_geom_v1_t __user *p = compat_alloc_user_space(sizeof(*p));
+
+ if (copy_in_user(p, p32, sizeof(*p32)))
+ return -EFAULT;
+ return (unsigned long)p;
+}
+
+typedef struct compat_xfs_inogrp {
+ __u64 xi_startino; /* starting inode number */
+ __s32 xi_alloccount; /* # bits set in allocmask */
+ __u64 xi_allocmask; /* mask of allocated inodes */
+} __attribute__((packed)) compat_xfs_inogrp_t;
+
+STATIC int xfs_inumbers_fmt_compat(
+ void __user *ubuffer,
+ const xfs_inogrp_t *buffer,
+ long count,
+ long *written)
+{
+ compat_xfs_inogrp_t __user *p32 = ubuffer;
+ long i;
+
+ for (i = 0; i < count; i++) {
+ if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) ||
+ put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) ||
+ put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask))
+ return -EFAULT;
+ }
+ *written = count * sizeof(*p32);
+ return 0;
+}
+
#else
-typedef struct xfs_fsop_bulkreq32 {
+#define xfs_inumbers_fmt_compat xfs_inumbers_fmt
+#define _PACKED
+
+#endif
+
+/* XFS_IOC_FSBULKSTAT and friends */
+
+typedef struct compat_xfs_bstime {
+ __s32 tv_sec; /* seconds */
+ __s32 tv_nsec; /* and nanoseconds */
+} compat_xfs_bstime_t;
+
+STATIC int xfs_bstime_store_compat(
+ compat_xfs_bstime_t __user *p32,
+ const xfs_bstime_t *p)
+{
+ __s32 sec32;
+
+ sec32 = p->tv_sec;
+ if (put_user(sec32, &p32->tv_sec) ||
+ put_user(p->tv_nsec, &p32->tv_nsec))
+ return -EFAULT;
+ return 0;
+}
+
+typedef struct compat_xfs_bstat {
+ __u64 bs_ino; /* inode number */
+ __u16 bs_mode; /* type and mode */
+ __u16 bs_nlink; /* number of links */
+ __u32 bs_uid; /* user id */
+ __u32 bs_gid; /* group id */
+ __u32 bs_rdev; /* device value */
+ __s32 bs_blksize; /* block size */
+ __s64 bs_size; /* file size */
+ compat_xfs_bstime_t bs_atime; /* access time */
+ compat_xfs_bstime_t bs_mtime; /* modify time */
+ compat_xfs_bstime_t bs_ctime; /* inode change time */
+ int64_t bs_blocks; /* number of blocks */
+ __u32 bs_xflags; /* extended flags */
+ __s32 bs_extsize; /* extent size */
+ __s32 bs_extents; /* number of extents */
+ __u32 bs_gen; /* generation count */
+ __u16 bs_projid; /* project id */
+ unsigned char bs_pad[14]; /* pad space, unused */
+ __u32 bs_dmevmask; /* DMIG event mask */
+ __u16 bs_dmstate; /* DMIG state info */
+ __u16 bs_aextents; /* attribute number of extents */
+} _PACKED compat_xfs_bstat_t;
+
+STATIC int xfs_bulkstat_one_fmt_compat(
+ void __user *ubuffer,
+ const xfs_bstat_t *buffer)
+{
+ compat_xfs_bstat_t __user *p32 = ubuffer;
+
+ if (put_user(buffer->bs_ino, &p32->bs_ino) ||
+ put_user(buffer->bs_mode, &p32->bs_mode) ||
+ put_user(buffer->bs_nlink, &p32->bs_nlink) ||
+ put_user(buffer->bs_uid, &p32->bs_uid) ||
+ put_user(buffer->bs_gid, &p32->bs_gid) ||
+ put_user(buffer->bs_rdev, &p32->bs_rdev) ||
+ put_user(buffer->bs_blksize, &p32->bs_blksize) ||
+ put_user(buffer->bs_size, &p32->bs_size) ||
+ xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) ||
+ xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) ||
+ xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) ||
+ put_user(buffer->bs_blocks, &p32->bs_blocks) ||
+ put_user(buffer->bs_xflags, &p32->bs_xflags) ||
+ put_user(buffer->bs_extsize, &p32->bs_extsize) ||
+ put_user(buffer->bs_extents, &p32->bs_extents) ||
+ put_user(buffer->bs_gen, &p32->bs_gen) ||
+ put_user(buffer->bs_projid, &p32->bs_projid) ||
+ put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) ||
+ put_user(buffer->bs_dmstate, &p32->bs_dmstate) ||
+ put_user(buffer->bs_aextents, &p32->bs_aextents))
+ return -EFAULT;
+ return sizeof(*p32);
+}
+
+
+
+typedef struct compat_xfs_fsop_bulkreq {
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;
+ compat_uptr_t ocount; /* output count pointer */
+} compat_xfs_fsop_bulkreq_t;
-STATIC unsigned long
-xfs_ioctl32_bulkstat(
- unsigned long arg)
+#define XFS_IOC_FSBULKSTAT_32 \
+ _IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
+#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
+ _IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
+#define XFS_IOC_FSINUMBERS_32 \
+ _IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
+
+/* copied from xfs_ioctl.c */
+STATIC int
+xfs_ioc_bulkstat_compat(
+ xfs_mount_t *mp,
+ unsigned int cmd,
+ void __user *arg)
{
- xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg;
- xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p));
+ compat_xfs_fsop_bulkreq_t __user *p32 = (void __user *)arg;
u32 addr;
+ xfs_fsop_bulkreq_t bulkreq;
+ int count; /* # of records returned */
+ xfs_ino_t inlast; /* last inode number */
+ int done;
+ int error;
+
+ /* done = 1 if there are more stats to get and if bulkstat */
+ /* should be called again (unused here, but used in dmapi) */
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return -XFS_ERROR(EIO);
+
+ if (get_user(addr, &p32->lastip))
+ return -EFAULT;
+ bulkreq.lastip = compat_ptr(addr);
+ if (get_user(bulkreq.icount, &p32->icount) ||
+ get_user(addr, &p32->ubuffer))
+ return -EFAULT;
+ bulkreq.ubuffer = compat_ptr(addr);
+ if (get_user(addr, &p32->ocount))
+ return -EFAULT;
+ bulkreq.ocount = compat_ptr(addr);
+
+ if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64)))
+ return -XFS_ERROR(EFAULT);
+
+ if ((count = bulkreq.icount) <= 0)
+ return -XFS_ERROR(EINVAL);
+
+ if (bulkreq.ubuffer == NULL)
+ return -XFS_ERROR(EINVAL);
+
+ if (cmd == XFS_IOC_FSINUMBERS)
+ error = xfs_inumbers(mp, &inlast, &count,
+ bulkreq.ubuffer, xfs_inumbers_fmt_compat);
+ else {
+ /* declare a var to get a warning in case the type changes */
+ bulkstat_one_fmt_pf formatter = xfs_bulkstat_one_fmt_compat;
+ error = xfs_bulkstat(mp, &inlast, &count,
+ xfs_bulkstat_one, formatter,
+ sizeof(compat_xfs_bstat_t), bulkreq.ubuffer,
+ BULKSTAT_FG_QUICK, &done);
+ }
+ if (error)
+ return -error;
+
+ if (bulkreq.ocount != NULL) {
+ if (copy_to_user(bulkreq.lastip, &inlast,
+ sizeof(xfs_ino_t)))
+ return -XFS_ERROR(EFAULT);
- 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))
+ if (copy_to_user(bulkreq.ocount, &count, sizeof(count)))
+ return -XFS_ERROR(EFAULT);
+ }
+
+ return 0;
+}
+
+
+
+typedef struct compat_xfs_fsop_handlereq {
+ __u32 fd; /* fd for FD_TO_HANDLE */
+ compat_uptr_t path; /* user pathname */
+ __u32 oflags; /* open flags */
+ compat_uptr_t ihandle; /* user supplied handle */
+ __u32 ihandlen; /* user supplied length */
+ compat_uptr_t ohandle; /* user buffer for handle */
+ compat_uptr_t ohandlen; /* user buffer length */
+} compat_xfs_fsop_handlereq_t;
+
+#define XFS_IOC_PATH_TO_FSHANDLE_32 \
+ _IOWR('X', 104, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_PATH_TO_HANDLE_32 \
+ _IOWR('X', 105, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_FD_TO_HANDLE_32 \
+ _IOWR('X', 106, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_OPEN_BY_HANDLE_32 \
+ _IOWR('X', 107, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_READLINK_BY_HANDLE_32 \
+ _IOWR('X', 108, struct compat_xfs_fsop_handlereq)
+
+STATIC unsigned long xfs_ioctl32_fshandle(unsigned long arg)
+{
+ compat_xfs_fsop_handlereq_t __user *p32 = (void __user *)arg;
+ xfs_fsop_handlereq_t __user *p = compat_alloc_user_space(sizeof(*p));
+ u32 addr;
+
+ if (copy_in_user(&p->fd, &p32->fd, sizeof(__u32)) ||
+ get_user(addr, &p32->path) ||
+ put_user(compat_ptr(addr), &p->path) ||
+ copy_in_user(&p->oflags, &p32->oflags, sizeof(__u32)) ||
+ get_user(addr, &p32->ihandle) ||
+ put_user(compat_ptr(addr), &p->ihandle) ||
+ copy_in_user(&p->ihandlen, &p32->ihandlen, sizeof(__u32)) ||
+ get_user(addr, &p32->ohandle) ||
+ put_user(compat_ptr(addr), &p->ohandle) ||
+ get_user(addr, &p32->ohandlen) ||
+ put_user(compat_ptr(addr), &p->ohandlen))
return -EFAULT;
return (unsigned long)p;
}
-#endif
+
STATIC long
-__linvfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
+xfs_compat_ioctl(
+ int mode,
+ struct file *file,
+ unsigned cmd,
+ unsigned long arg)
{
+ struct inode *inode = file->f_path.dentry->d_inode;
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_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_ERROR_CLEARALL:
break;
-#ifndef BROKEN_X86_ALIGNMENT
- /* xfs_flock_t and xfs_bstat_t have wrong u32 vs u64 alignment */
+ case XFS_IOC32_GETXFLAGS:
+ case XFS_IOC32_SETXFLAGS:
+ case XFS_IOC32_GETVERSION:
+ cmd = _NATIVE_IOC(cmd, long);
+ break;
+#ifdef BROKEN_X86_ALIGNMENT
+ /* xfs_flock_t has wrong u32 vs u64 alignment */
+ case XFS_IOC_ALLOCSP_32:
+ case XFS_IOC_FREESP_32:
+ case XFS_IOC_ALLOCSP64_32:
+ case XFS_IOC_FREESP64_32:
+ case XFS_IOC_RESVSP_32:
+ case XFS_IOC_UNRESVSP_32:
+ case XFS_IOC_RESVSP64_32:
+ case XFS_IOC_UNRESVSP64_32:
+ arg = xfs_ioctl32_flock(arg);
+ cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
+ break;
+ case XFS_IOC_FSGEOMETRY_V1_32:
+ arg = xfs_ioctl32_geom_v1(arg);
+ cmd = _NATIVE_IOC(cmd, struct xfs_fsop_geom_v1);
+ break;
+
+#else /* These are handled fine if no alignment issues */
case XFS_IOC_ALLOCSP:
case XFS_IOC_FREESP:
case XFS_IOC_RESVSP:
case XFS_IOC_FREESP64:
case XFS_IOC_RESVSP64:
case XFS_IOC_UNRESVSP64:
- case XFS_IOC_SWAPEXT:
+ case XFS_IOC_FSGEOMETRY_V1:
break;
- case XFS_IOC_FSBULKSTAT_SINGLE:
- case XFS_IOC_FSBULKSTAT:
- case XFS_IOC_FSINUMBERS:
- arg = xfs_ioctl32_bulkstat(arg);
+ /* xfs_bstat_t still has wrong u32 vs u64 alignment */
+ case XFS_IOC_SWAPEXT:
break;
+
#endif
+ case XFS_IOC_FSBULKSTAT_32:
+ case XFS_IOC_FSBULKSTAT_SINGLE_32:
+ case XFS_IOC_FSINUMBERS_32:
+ cmd = _NATIVE_IOC(cmd, struct xfs_fsop_bulkreq);
+ return xfs_ioc_bulkstat_compat(XFS_I(inode)->i_mount,
+ cmd, (void __user*)arg);
+ case XFS_IOC_FD_TO_HANDLE_32:
+ case XFS_IOC_PATH_TO_HANDLE_32:
+ case XFS_IOC_PATH_TO_FSHANDLE_32:
+ case XFS_IOC_OPEN_BY_HANDLE_32:
+ case XFS_IOC_READLINK_BY_HANDLE_32:
+ arg = xfs_ioctl32_fshandle(arg);
+ cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq);
+ break;
default:
return -ENOIOCTLCMD;
}
- VOP_IOCTL(vp, inode, f, mode, cmd, (void __user *)arg, error);
- VMODIFY(vp);
+ error = xfs_ioctl(XFS_I(inode), file, mode, cmd, (void __user *)arg);
+ xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED);
return error;
}
long
-linvfs_compat_ioctl(
- struct file *f,
+xfs_file_compat_ioctl(
+ struct file *file,
unsigned cmd,
unsigned long arg)
{
- return __linvfs_compat_ioctl(0, f, cmd, arg);
+ return xfs_compat_ioctl(0, file, cmd, arg);
}
long
-linvfs_compat_invis_ioctl(
- struct file *f,
+xfs_file_compat_invis_ioctl(
+ struct file *file,
unsigned cmd,
unsigned long arg)
{
- return __linvfs_compat_ioctl(IO_INVIS, f, cmd, arg);
+ return xfs_compat_ioctl(IO_INVIS, file, cmd, arg);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff