This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / fs / xfs / linux-2.6 / xfs_ioctl32.c

diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
new file mode 100644 (file)
index 0000000..f375331
--- /dev/null
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -0,0 +1,162 @@
+/*
+ * 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 <asm/uaccess.h>
+
+#include "xfs_types.h"
+#include "xfs_fs.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 int
+xfs_ioctl32_bulkstat(
+       unsigned int            fd,
+       unsigned int            cmd,
+       unsigned long           arg,
+       struct file *           file)
+{
+       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 sys_ioctl(fd, cmd, (unsigned long)p);
+}
+#endif
+
+struct ioctl_trans xfs_ioctl32_trans[] = {
+       { XFS_IOC_DIOINFO, },
+       { XFS_IOC_FSGEOMETRY_V1, },
+       { XFS_IOC_FSGEOMETRY, },
+       { XFS_IOC_GETVERSION, },
+       { XFS_IOC_GETXFLAGS, },
+       { XFS_IOC_SETXFLAGS, },
+       { XFS_IOC_FSGETXATTR, },
+       { XFS_IOC_FSSETXATTR, },
+       { XFS_IOC_FSGETXATTRA, },
+       { XFS_IOC_FSSETDM, },
+       { XFS_IOC_GETBMAP, },
+       { XFS_IOC_GETBMAPA, },
+       { XFS_IOC_GETBMAPX, },
+/* not handled
+       { XFS_IOC_FD_TO_HANDLE, },
+       { XFS_IOC_PATH_TO_HANDLE, },
+       { XFS_IOC_PATH_TO_HANDLE, },
+       { XFS_IOC_PATH_TO_FSHANDLE, },
+       { XFS_IOC_OPEN_BY_HANDLE, },
+       { XFS_IOC_FSSETDM_BY_HANDLE, },
+       { XFS_IOC_READLINK_BY_HANDLE, },
+       { XFS_IOC_ATTRLIST_BY_HANDLE, },
+       { XFS_IOC_ATTRMULTI_BY_HANDLE, },
+*/
+       { XFS_IOC_FSCOUNTS, NULL, },
+       { XFS_IOC_SET_RESBLKS, NULL, },
+       { XFS_IOC_GET_RESBLKS, NULL, },
+       { XFS_IOC_FSGROWFSDATA, NULL, },
+       { XFS_IOC_FSGROWFSLOG, NULL, },
+       { XFS_IOC_FSGROWFSRT, NULL, },
+       { XFS_IOC_FREEZE, NULL, },
+       { XFS_IOC_THAW, NULL, },
+       { XFS_IOC_GOINGDOWN, NULL, },
+       { XFS_IOC_ERROR_INJECTION, NULL, },
+       { XFS_IOC_ERROR_CLEARALL, NULL, },
+#ifndef BROKEN_X86_ALIGNMENT
+       /* xfs_flock_t and xfs_bstat_t have wrong u32 vs u64 alignment */
+       { XFS_IOC_ALLOCSP, },
+       { XFS_IOC_FREESP, },
+       { XFS_IOC_RESVSP, },
+       { XFS_IOC_UNRESVSP, },
+       { XFS_IOC_ALLOCSP64, },
+       { XFS_IOC_FREESP64, },
+       { XFS_IOC_RESVSP64, },
+       { XFS_IOC_UNRESVSP64, },
+       { XFS_IOC_SWAPEXT, },
+       { XFS_IOC_FSBULKSTAT_SINGLE, xfs_ioctl32_bulkstat },
+       { XFS_IOC_FSBULKSTAT, xfs_ioctl32_bulkstat},
+       { XFS_IOC_FSINUMBERS, xfs_ioctl32_bulkstat},
+#endif
+       { 0, },
+};
+
+int __init
+xfs_ioctl32_init(void)
+{
+       int error, i;
+
+       for (i = 0; xfs_ioctl32_trans[i].cmd != 0; i++) {
+               error = register_ioctl32_conversion(xfs_ioctl32_trans[i].cmd,
+                               xfs_ioctl32_trans[i].handler);
+               if (error)
+                       goto fail;
+       }
+
+       return 0;
+
+ fail:
+       while (--i)
+               unregister_ioctl32_conversion(xfs_ioctl32_trans[i].cmd);
+       return error;
+}
+
+void
+xfs_ioctl32_exit(void)
+{
+       int i;
+
+       for (i = 0; xfs_ioctl32_trans[i].cmd != 0; i++)
+               unregister_ioctl32_conversion(xfs_ioctl32_trans[i].cmd);
+}