163 lines
4.5 KiB
C
163 lines
4.5 KiB
C
/*
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* Copyright (c) 2004 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#include <linux/config.h>
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#include <linux/compat.h>
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#include <linux/init.h>
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#include <linux/ioctl.h>
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#include <linux/ioctl32.h>
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#include <linux/syscalls.h>
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#include <linux/types.h>
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#include <asm/uaccess.h>
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#include "xfs_types.h"
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#include "xfs_fs.h"
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#include "xfs_dfrag.h"
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#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
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#define BROKEN_X86_ALIGNMENT
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#else
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typedef struct xfs_fsop_bulkreq32 {
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compat_uptr_t lastip; /* last inode # pointer */
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__s32 icount; /* count of entries in buffer */
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compat_uptr_t ubuffer; /* user buffer for inode desc. */
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__s32 ocount; /* output count pointer */
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} xfs_fsop_bulkreq32_t;
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static int
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xfs_ioctl32_bulkstat(
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unsigned int fd,
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unsigned int cmd,
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unsigned long arg,
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struct file * file)
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{
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xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg;
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xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p));
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u32 addr;
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if (get_user(addr, &p32->lastip) ||
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put_user(compat_ptr(addr), &p->lastip) ||
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copy_in_user(&p->icount, &p32->icount, sizeof(s32)) ||
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get_user(addr, &p32->ubuffer) ||
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put_user(compat_ptr(addr), &p->ubuffer) ||
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get_user(addr, &p32->ocount) ||
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put_user(compat_ptr(addr), &p->ocount))
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return -EFAULT;
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return sys_ioctl(fd, cmd, (unsigned long)p);
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}
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#endif
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struct ioctl_trans xfs_ioctl32_trans[] = {
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{ XFS_IOC_DIOINFO, },
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{ XFS_IOC_FSGEOMETRY_V1, },
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{ XFS_IOC_FSGEOMETRY, },
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{ XFS_IOC_GETVERSION, },
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{ XFS_IOC_GETXFLAGS, },
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{ XFS_IOC_SETXFLAGS, },
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{ XFS_IOC_FSGETXATTR, },
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{ XFS_IOC_FSSETXATTR, },
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{ XFS_IOC_FSGETXATTRA, },
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{ XFS_IOC_FSSETDM, },
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{ XFS_IOC_GETBMAP, },
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{ XFS_IOC_GETBMAPA, },
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{ XFS_IOC_GETBMAPX, },
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/* not handled
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{ XFS_IOC_FD_TO_HANDLE, },
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{ XFS_IOC_PATH_TO_HANDLE, },
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{ XFS_IOC_PATH_TO_HANDLE, },
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{ XFS_IOC_PATH_TO_FSHANDLE, },
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{ XFS_IOC_OPEN_BY_HANDLE, },
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{ XFS_IOC_FSSETDM_BY_HANDLE, },
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{ XFS_IOC_READLINK_BY_HANDLE, },
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{ XFS_IOC_ATTRLIST_BY_HANDLE, },
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{ XFS_IOC_ATTRMULTI_BY_HANDLE, },
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*/
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{ XFS_IOC_FSCOUNTS, NULL, },
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{ XFS_IOC_SET_RESBLKS, NULL, },
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{ XFS_IOC_GET_RESBLKS, NULL, },
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{ XFS_IOC_FSGROWFSDATA, NULL, },
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{ XFS_IOC_FSGROWFSLOG, NULL, },
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{ XFS_IOC_FSGROWFSRT, NULL, },
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{ XFS_IOC_FREEZE, NULL, },
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{ XFS_IOC_THAW, NULL, },
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{ XFS_IOC_GOINGDOWN, NULL, },
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{ XFS_IOC_ERROR_INJECTION, NULL, },
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{ XFS_IOC_ERROR_CLEARALL, NULL, },
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#ifndef BROKEN_X86_ALIGNMENT
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/* xfs_flock_t and xfs_bstat_t have wrong u32 vs u64 alignment */
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{ XFS_IOC_ALLOCSP, },
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{ XFS_IOC_FREESP, },
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{ XFS_IOC_RESVSP, },
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{ XFS_IOC_UNRESVSP, },
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{ XFS_IOC_ALLOCSP64, },
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{ XFS_IOC_FREESP64, },
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{ XFS_IOC_RESVSP64, },
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{ XFS_IOC_UNRESVSP64, },
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{ XFS_IOC_SWAPEXT, },
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{ XFS_IOC_FSBULKSTAT_SINGLE, xfs_ioctl32_bulkstat },
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{ XFS_IOC_FSBULKSTAT, xfs_ioctl32_bulkstat},
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{ XFS_IOC_FSINUMBERS, xfs_ioctl32_bulkstat},
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#endif
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{ 0, },
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};
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int __init
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xfs_ioctl32_init(void)
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{
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int error, i;
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for (i = 0; xfs_ioctl32_trans[i].cmd != 0; i++) {
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error = register_ioctl32_conversion(xfs_ioctl32_trans[i].cmd,
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xfs_ioctl32_trans[i].handler);
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if (error)
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goto fail;
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}
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return 0;
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fail:
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while (--i)
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unregister_ioctl32_conversion(xfs_ioctl32_trans[i].cmd);
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return error;
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}
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void
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xfs_ioctl32_exit(void)
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{
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int i;
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for (i = 0; xfs_ioctl32_trans[i].cmd != 0; i++)
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unregister_ioctl32_conversion(xfs_ioctl32_trans[i].cmd);
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}
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