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 00000000000..7a12c83184f --- /dev/null +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -0,0 +1,163 @@ +/* + * 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); +} |