| /*- |
| * Copyright (c) 2002 Networks Associates Technology, Inc. |
| * All rights reserved. |
| * |
| * This software was developed for the FreeBSD Project by Marshall |
| * Kirk McKusick and Network Associates Laboratories, the Security |
| * Research Division of Network Associates, Inc. under DARPA/SPAWAR |
| * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS |
| * research program |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * Copyright (c) 1982, 1989, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * (c) UNIX System Laboratories, Inc. |
| * All or some portions of this file are derived from material licensed |
| * to the University of California by American Telephone and Telegraph |
| * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
| * the permission of UNIX System Laboratories, Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The names of the authors may not be used to endorse or promote |
| * products derived from this software without specific prior written |
| * permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)dinode.h 8.3 (Berkeley) 1/21/94 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _UFS_UFS_DINODE_H_ |
| #define _UFS_UFS_DINODE_H_ |
| |
| /* |
| * The root inode is the root of the filesystem. Inode 0 can't be used for |
| * normal purposes and historically bad blocks were linked to inode 1, thus |
| * the root inode is 2. (Inode 1 is no longer used for this purpose, however |
| * numerous dump tapes make this assumption, so we are stuck with it). |
| */ |
| #define ROOTINO ((ino_t)2) |
| |
| /* |
| * The Whiteout inode# is a dummy non-zero inode number which will |
| * never be allocated to a real file. It is used as a place holder |
| * in the directory entry which has been tagged as a DT_WHT entry. |
| * See the comments about ROOTINO above. |
| */ |
| #define WINO ((ino_t)1) |
| |
| /* |
| * The size of physical and logical block numbers and time fields in UFS. |
| */ |
| typedef int32_t ufs1_daddr_t; |
| typedef int64_t ufs2_daddr_t; |
| typedef int64_t ufs_lbn_t; |
| typedef int64_t ufs_time_t; |
| |
| /* File permissions. */ |
| #define IEXEC 0000100 /* Executable. */ |
| #define IWRITE 0000200 /* Writeable. */ |
| #define IREAD 0000400 /* Readable. */ |
| #define ISVTX 0001000 /* Sticky bit. */ |
| #define ISGID 0002000 /* Set-gid. */ |
| #define ISUID 0004000 /* Set-uid. */ |
| |
| /* File types. */ |
| #define IFMT 0170000 /* Mask of file type. */ |
| #define IFIFO 0010000 /* Named pipe (fifo). */ |
| #define IFCHR 0020000 /* Character device. */ |
| #define IFDIR 0040000 /* Directory file. */ |
| #define IFBLK 0060000 /* Block device. */ |
| #define IFREG 0100000 /* Regular file. */ |
| #define IFLNK 0120000 /* Symbolic link. */ |
| #define IFSOCK 0140000 /* UNIX domain socket. */ |
| #define IFWHT 0160000 /* Whiteout. */ |
| |
| /* |
| * A dinode contains all the meta-data associated with a UFS2 file. |
| * This structure defines the on-disk format of a dinode. Since |
| * this structure describes an on-disk structure, all its fields |
| * are defined by types with precise widths. |
| */ |
| |
| #define NXADDR 2 /* External addresses in inode. */ |
| #define NDADDR 12 /* Direct addresses in inode. */ |
| #define NIADDR 3 /* Indirect addresses in inode. */ |
| |
| struct ufs2_dinode { |
| u_int16_t di_mode; /* 0: IFMT, permissions; see below. */ |
| int16_t di_nlink; /* 2: File link count. */ |
| u_int32_t di_uid; /* 4: File owner. */ |
| u_int32_t di_gid; /* 8: File group. */ |
| u_int32_t di_blksize; /* 12: Inode blocksize. */ |
| u_int64_t di_size; /* 16: File byte count. */ |
| u_int64_t di_blocks; /* 24: Blocks actually held. */ |
| ufs_time_t di_atime; /* 32: Last access time. */ |
| ufs_time_t di_mtime; /* 40: Last modified time. */ |
| ufs_time_t di_ctime; /* 48: Last inode change time. */ |
| ufs_time_t di_birthtime; /* 56: Inode creation time. */ |
| int32_t di_mtimensec; /* 64: Last modified time. */ |
| int32_t di_atimensec; /* 68: Last access time. */ |
| int32_t di_ctimensec; /* 72: Last inode change time. */ |
| int32_t di_birthnsec; /* 76: Inode creation time. */ |
| u_int32_t di_gen; /* 80: Generation number. */ |
| u_int32_t di_kernflags; /* 84: Kernel flags. */ |
| u_int32_t di_flags; /* 88: Status flags (chflags). */ |
| u_int32_t di_extsize; /* 92: External attributes size. */ |
| ufs2_daddr_t di_extb[NXADDR];/* 96: External attributes block. */ |
| ufs2_daddr_t di_db[NDADDR]; /* 112: Direct disk blocks. */ |
| ufs2_daddr_t di_ib[NIADDR]; /* 208: Indirect disk blocks. */ |
| u_int64_t di_modrev; /* 232: i_modrev for NFSv4 */ |
| uint32_t di_freelink; /* 240: SUJ: Next unlinked inode. */ |
| uint32_t di_spare[3]; /* 244: Reserved; currently unused */ |
| }; |
| |
| /* |
| * The di_db fields may be overlaid with other information for |
| * file types that do not have associated disk storage. Block |
| * and character devices overlay the first data block with their |
| * dev_t value. Short symbolic links place their path in the |
| * di_db area. |
| */ |
| #define di_rdev di_db[0] |
| |
| /* |
| * A UFS1 dinode contains all the meta-data associated with a UFS1 file. |
| * This structure defines the on-disk format of a UFS1 dinode. Since |
| * this structure describes an on-disk structure, all its fields |
| * are defined by types with precise widths. |
| */ |
| struct ufs1_dinode { |
| u_int16_t di_mode; /* 0: IFMT, permissions; see below. */ |
| int16_t di_nlink; /* 2: File link count. */ |
| u_int16_t di_suid; /* 4: File owner. */ |
| u_int16_t di_sgid; /* 6: File group. */ |
| u_int64_t di_size; /* 8: File byte count. */ |
| int32_t di_atime; /* 16: Last access time. */ |
| int32_t di_atimensec; /* 20: Last access time. */ |
| int32_t di_mtime; /* 24: Last modified time. */ |
| int32_t di_mtimensec; /* 28: Last modified time. */ |
| int32_t di_ctime; /* 32: Last inode change time. */ |
| int32_t di_ctimensec; /* 36: Last inode change time. */ |
| ufs1_daddr_t di_db[NDADDR]; /* 40: Direct disk blocks. */ |
| ufs1_daddr_t di_ib[NIADDR]; /* 88: Indirect disk blocks. */ |
| u_int32_t di_flags; /* 100: Status flags (chflags). */ |
| u_int32_t di_blocks; /* 104: Blocks actually held. */ |
| u_int32_t di_gen; /* 108: Generation number. */ |
| u_int32_t di_shadow; /* 112: shadow inode */ |
| u_int32_t di_uid; /* 116: long EFT version of uid */ |
| u_int32_t di_gid; /* 120: long EFT version of gid */ |
| u_int32_t di_oeftflag; /* 124: extended attr directory ino, 0 = none */ |
| }; |
| |
| #endif /* _UFS_UFS_DINODE_H_ */ |