diff options
Diffstat (limited to 'qemu/roms/openbios/fs/grubfs/ufs_dinode.h')
| -rw-r--r-- | qemu/roms/openbios/fs/grubfs/ufs_dinode.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/qemu/roms/openbios/fs/grubfs/ufs_dinode.h b/qemu/roms/openbios/fs/grubfs/ufs_dinode.h new file mode 100644 index 000000000..f3f7fca02 --- /dev/null +++ b/qemu/roms/openbios/fs/grubfs/ufs_dinode.h @@ -0,0 +1,191 @@ +/*- + * 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: src/sys/ufs/ufs/dinode.h,v 1.13.2.1 2005/01/31 23:27:01 imp Exp $ + */ + +#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_W 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 { + uint16_t di_mode; /* 0: IFMT, permissions; see below. */ + int16_t di_nlink; /* 2: File link count. */ + uint32_t di_uid; /* 4: File owner. */ + uint32_t di_gid; /* 8: File group. */ + uint32_t di_blksize; /* 12: Inode blocksize. */ + uint64_t di_size; /* 16: File byte count. */ + uint64_t di_blocks; /* 24: Bytes 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. */ + int32_t di_gen; /* 80: Generation number. */ + uint32_t di_kernflags; /* 84: Kernel flags. */ + uint32_t di_flags; /* 88: Status flags (chflags). */ + int32_t di_extsize; /* 92: External attributes block. */ + 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. */ + int64_t di_spare[3]; /* 232: 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 { + uint16_t di_mode; /* 0: IFMT, permissions; see below. */ + int16_t di_nlink; /* 2: File link count. */ + union { + uint16_t oldids[2]; /* 4: Ffs: old user and group ids. */ + } di_u; + uint64_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. */ + uint32_t di_flags; /* 100: Status flags (chflags). */ + int32_t di_blocks; /* 104: Blocks actually held. */ + int32_t di_gen; /* 108: Generation number. */ + uint32_t di_uid; /* 112: File owner. */ + uint32_t di_gid; /* 116: File group. */ + int32_t di_spare[2]; /* 120: Reserved; currently unused */ +}; +#define di_ogid di_u.oldids[1] +#define di_ouid di_u.oldids[0] + +#endif /* _UFS_UFS_DINODE_H_ */ |