1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (c) 2002 Networks Associates Technology, Inc. 3*199767f8SToomas Soome * All rights reserved. 4*199767f8SToomas Soome * 5*199767f8SToomas Soome * This software was developed for the FreeBSD Project by Marshall 6*199767f8SToomas Soome * Kirk McKusick and Network Associates Laboratories, the Security 7*199767f8SToomas Soome * Research Division of Network Associates, Inc. under DARPA/SPAWAR 8*199767f8SToomas Soome * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS 9*199767f8SToomas Soome * research program 10*199767f8SToomas Soome * 11*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 12*199767f8SToomas Soome * modification, are permitted provided that the following conditions 13*199767f8SToomas Soome * are met: 14*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 15*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 16*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 17*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 18*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 19*199767f8SToomas Soome * 20*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*199767f8SToomas Soome * SUCH DAMAGE. 31*199767f8SToomas Soome * 32*199767f8SToomas Soome * Copyright (c) 1982, 1989, 1993 33*199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 34*199767f8SToomas Soome * (c) UNIX System Laboratories, Inc. 35*199767f8SToomas Soome * All or some portions of this file are derived from material licensed 36*199767f8SToomas Soome * to the University of California by American Telephone and Telegraph 37*199767f8SToomas Soome * Co. or Unix System Laboratories, Inc. and are reproduced herein with 38*199767f8SToomas Soome * the permission of UNIX System Laboratories, Inc. 39*199767f8SToomas Soome * 40*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 41*199767f8SToomas Soome * modification, are permitted provided that the following conditions 42*199767f8SToomas Soome * are met: 43*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 44*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 45*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 46*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 47*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 48*199767f8SToomas Soome * 3. The names of the authors may not be used to endorse or promote 49*199767f8SToomas Soome * products derived from this software without specific prior written 50*199767f8SToomas Soome * permission. 51*199767f8SToomas Soome * 52*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 53*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 56*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62*199767f8SToomas Soome * SUCH DAMAGE. 63*199767f8SToomas Soome * 64*199767f8SToomas Soome * @(#)dinode.h 8.3 (Berkeley) 1/21/94 65*199767f8SToomas Soome * $FreeBSD$ 66*199767f8SToomas Soome */ 67*199767f8SToomas Soome 68*199767f8SToomas Soome #ifndef _UFS_UFS_DINODE_H_ 69*199767f8SToomas Soome #define _UFS_UFS_DINODE_H_ 70*199767f8SToomas Soome 71*199767f8SToomas Soome /* 72*199767f8SToomas Soome * The root inode is the root of the filesystem. Inode 0 can't be used for 73*199767f8SToomas Soome * normal purposes and historically bad blocks were linked to inode 1, thus 74*199767f8SToomas Soome * the root inode is 2. (Inode 1 is no longer used for this purpose, however 75*199767f8SToomas Soome * numerous dump tapes make this assumption, so we are stuck with it). 76*199767f8SToomas Soome */ 77*199767f8SToomas Soome #define ROOTINO ((ino_t)2) 78*199767f8SToomas Soome 79*199767f8SToomas Soome /* 80*199767f8SToomas Soome * The Whiteout inode# is a dummy non-zero inode number which will 81*199767f8SToomas Soome * never be allocated to a real file. It is used as a place holder 82*199767f8SToomas Soome * in the directory entry which has been tagged as a DT_WHT entry. 83*199767f8SToomas Soome * See the comments about ROOTINO above. 84*199767f8SToomas Soome */ 85*199767f8SToomas Soome #define WINO ((ino_t)1) 86*199767f8SToomas Soome 87*199767f8SToomas Soome /* 88*199767f8SToomas Soome * The size of physical and logical block numbers and time fields in UFS. 89*199767f8SToomas Soome */ 90*199767f8SToomas Soome typedef int32_t ufs1_daddr_t; 91*199767f8SToomas Soome typedef int64_t ufs2_daddr_t; 92*199767f8SToomas Soome typedef int64_t ufs_lbn_t; 93*199767f8SToomas Soome typedef int64_t ufs_time_t; 94*199767f8SToomas Soome 95*199767f8SToomas Soome /* File permissions. */ 96*199767f8SToomas Soome #define IEXEC 0000100 /* Executable. */ 97*199767f8SToomas Soome #define IWRITE 0000200 /* Writeable. */ 98*199767f8SToomas Soome #define IREAD 0000400 /* Readable. */ 99*199767f8SToomas Soome #define ISVTX 0001000 /* Sticky bit. */ 100*199767f8SToomas Soome #define ISGID 0002000 /* Set-gid. */ 101*199767f8SToomas Soome #define ISUID 0004000 /* Set-uid. */ 102*199767f8SToomas Soome 103*199767f8SToomas Soome /* File types. */ 104*199767f8SToomas Soome #define IFMT 0170000 /* Mask of file type. */ 105*199767f8SToomas Soome #define IFIFO 0010000 /* Named pipe (fifo). */ 106*199767f8SToomas Soome #define IFCHR 0020000 /* Character device. */ 107*199767f8SToomas Soome #define IFDIR 0040000 /* Directory file. */ 108*199767f8SToomas Soome #define IFBLK 0060000 /* Block device. */ 109*199767f8SToomas Soome #define IFREG 0100000 /* Regular file. */ 110*199767f8SToomas Soome #define IFLNK 0120000 /* Symbolic link. */ 111*199767f8SToomas Soome #define IFSOCK 0140000 /* UNIX domain socket. */ 112*199767f8SToomas Soome #define IFWHT 0160000 /* Whiteout. */ 113*199767f8SToomas Soome 114*199767f8SToomas Soome /* 115*199767f8SToomas Soome * A dinode contains all the meta-data associated with a UFS2 file. 116*199767f8SToomas Soome * This structure defines the on-disk format of a dinode. Since 117*199767f8SToomas Soome * this structure describes an on-disk structure, all its fields 118*199767f8SToomas Soome * are defined by types with precise widths. 119*199767f8SToomas Soome */ 120*199767f8SToomas Soome 121*199767f8SToomas Soome #define NXADDR 2 /* External addresses in inode. */ 122*199767f8SToomas Soome #define NDADDR 12 /* Direct addresses in inode. */ 123*199767f8SToomas Soome #define NIADDR 3 /* Indirect addresses in inode. */ 124*199767f8SToomas Soome 125*199767f8SToomas Soome struct ufs2_dinode { 126*199767f8SToomas Soome u_int16_t di_mode; /* 0: IFMT, permissions; see below. */ 127*199767f8SToomas Soome int16_t di_nlink; /* 2: File link count. */ 128*199767f8SToomas Soome u_int32_t di_uid; /* 4: File owner. */ 129*199767f8SToomas Soome u_int32_t di_gid; /* 8: File group. */ 130*199767f8SToomas Soome u_int32_t di_blksize; /* 12: Inode blocksize. */ 131*199767f8SToomas Soome u_int64_t di_size; /* 16: File byte count. */ 132*199767f8SToomas Soome u_int64_t di_blocks; /* 24: Blocks actually held. */ 133*199767f8SToomas Soome ufs_time_t di_atime; /* 32: Last access time. */ 134*199767f8SToomas Soome ufs_time_t di_mtime; /* 40: Last modified time. */ 135*199767f8SToomas Soome ufs_time_t di_ctime; /* 48: Last inode change time. */ 136*199767f8SToomas Soome ufs_time_t di_birthtime; /* 56: Inode creation time. */ 137*199767f8SToomas Soome int32_t di_mtimensec; /* 64: Last modified time. */ 138*199767f8SToomas Soome int32_t di_atimensec; /* 68: Last access time. */ 139*199767f8SToomas Soome int32_t di_ctimensec; /* 72: Last inode change time. */ 140*199767f8SToomas Soome int32_t di_birthnsec; /* 76: Inode creation time. */ 141*199767f8SToomas Soome u_int32_t di_gen; /* 80: Generation number. */ 142*199767f8SToomas Soome u_int32_t di_kernflags; /* 84: Kernel flags. */ 143*199767f8SToomas Soome u_int32_t di_flags; /* 88: Status flags (chflags). */ 144*199767f8SToomas Soome u_int32_t di_extsize; /* 92: External attributes size. */ 145*199767f8SToomas Soome ufs2_daddr_t di_extb[NXADDR];/* 96: External attributes block. */ 146*199767f8SToomas Soome ufs2_daddr_t di_db[NDADDR]; /* 112: Direct disk blocks. */ 147*199767f8SToomas Soome ufs2_daddr_t di_ib[NIADDR]; /* 208: Indirect disk blocks. */ 148*199767f8SToomas Soome u_int64_t di_modrev; /* 232: i_modrev for NFSv4 */ 149*199767f8SToomas Soome uint32_t di_freelink; /* 240: SUJ: Next unlinked inode. */ 150*199767f8SToomas Soome uint32_t di_spare[3]; /* 244: Reserved; currently unused */ 151*199767f8SToomas Soome }; 152*199767f8SToomas Soome 153*199767f8SToomas Soome /* 154*199767f8SToomas Soome * The di_db fields may be overlaid with other information for 155*199767f8SToomas Soome * file types that do not have associated disk storage. Block 156*199767f8SToomas Soome * and character devices overlay the first data block with their 157*199767f8SToomas Soome * dev_t value. Short symbolic links place their path in the 158*199767f8SToomas Soome * di_db area. 159*199767f8SToomas Soome */ 160*199767f8SToomas Soome #define di_rdev di_db[0] 161*199767f8SToomas Soome 162*199767f8SToomas Soome /* 163*199767f8SToomas Soome * A UFS1 dinode contains all the meta-data associated with a UFS1 file. 164*199767f8SToomas Soome * This structure defines the on-disk format of a UFS1 dinode. Since 165*199767f8SToomas Soome * this structure describes an on-disk structure, all its fields 166*199767f8SToomas Soome * are defined by types with precise widths. 167*199767f8SToomas Soome */ 168*199767f8SToomas Soome struct ufs1_dinode { 169*199767f8SToomas Soome u_int16_t di_mode; /* 0: IFMT, permissions; see below. */ 170*199767f8SToomas Soome int16_t di_nlink; /* 2: File link count. */ 171*199767f8SToomas Soome u_int16_t di_suid; /* 4: File owner. */ 172*199767f8SToomas Soome u_int16_t di_sgid; /* 6: File group. */ 173*199767f8SToomas Soome u_int64_t di_size; /* 8: File byte count. */ 174*199767f8SToomas Soome int32_t di_atime; /* 16: Last access time. */ 175*199767f8SToomas Soome int32_t di_atimensec; /* 20: Last access time. */ 176*199767f8SToomas Soome int32_t di_mtime; /* 24: Last modified time. */ 177*199767f8SToomas Soome int32_t di_mtimensec; /* 28: Last modified time. */ 178*199767f8SToomas Soome int32_t di_ctime; /* 32: Last inode change time. */ 179*199767f8SToomas Soome int32_t di_ctimensec; /* 36: Last inode change time. */ 180*199767f8SToomas Soome ufs1_daddr_t di_db[NDADDR]; /* 40: Direct disk blocks. */ 181*199767f8SToomas Soome ufs1_daddr_t di_ib[NIADDR]; /* 88: Indirect disk blocks. */ 182*199767f8SToomas Soome u_int32_t di_flags; /* 100: Status flags (chflags). */ 183*199767f8SToomas Soome u_int32_t di_blocks; /* 104: Blocks actually held. */ 184*199767f8SToomas Soome u_int32_t di_gen; /* 108: Generation number. */ 185*199767f8SToomas Soome u_int32_t di_shadow; /* 112: shadow inode */ 186*199767f8SToomas Soome u_int32_t di_uid; /* 116: long EFT version of uid */ 187*199767f8SToomas Soome u_int32_t di_gid; /* 120: long EFT version of gid */ 188*199767f8SToomas Soome u_int32_t di_oeftflag; /* 124: extended attr directory ino, 0 = none */ 189*199767f8SToomas Soome }; 190*199767f8SToomas Soome 191*199767f8SToomas Soome #endif /* _UFS_UFS_DINODE_H_ */ 192