/* $NetBSD: chfs_inode.h,v 1.10 2015/01/11 17:29:57 hannken Exp $ */ /*- * Copyright (c) 2010 Department of Software Engineering, * University of Szeged, Hungary * Copyright (C) 2010 Tamas Toth <ttoth@inf.u-szeged.hu> * Copyright (C) 2010 Adam Hoka <ahoka@NetBSD.org> * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by the Department of Software Engineering, University of Szeged, Hungary * * 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 ``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 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. */ #ifndef __CHFS_INODE_H__ #define __CHFS_INODE_H__ #ifdef _KERNEL #include <sys/vnode.h> #include <sys/stat.h> #include <ufs/ufs/ufsmount.h> #include <miscfs/genfs/genfs_node.h> #endif /* _KERNEL */ #define CHFS_ROOTINO 2 /* chfs file types */ enum chtype { CHT_BLANK, /* empty type */ CHT_REG, /* regular file */ CHT_DIR, /* directory */ CHT_BLK, /* block device */ CHT_CHR, /* character device */ CHT_LNK, /* link */ CHT_SOCK, /* socket */ CHT_FIFO, /* fifo */ CHT_BAD /* bad type */ }; /* these macros are needed because the compatibility */ #define CHTTOVT(ch_type) (enum vtype)(ch_type) #define VTTOCHT(v_type) (enum chtype)(v_type) /* vtype replaced with chtype, these are only for backward compatibility */ static const enum chtype iftocht_tab[16] = { CHT_BLANK, CHT_FIFO, CHT_CHR, CHT_BLANK, CHT_DIR, CHT_BLANK, CHT_BLK, CHT_BLANK, CHT_REG, CHT_BLANK, CHT_LNK, CHT_BLANK, CHT_SOCK, CHT_BLANK, CHT_BLANK, CHT_BAD, }; #define IFTOCHT(mode) (iftocht_tab[((mode) & S_IFMT) >> 12]) #ifdef _KERNEL struct chfs_inode { struct genfs_node gnode; kmutex_t inode_lock; /* lock the fields of chfs_inode */ struct ufsmount *ump; /* ufs mount - TODO we should remove it */ struct chfs_mount *chmp; /* chfs mount point - TODO we should remove it */ struct vnode *vp; /* vnode associated with this inode */ ino_t ino; /* vnode identifier number */ struct vnode *devvp; /* vnode for block I/O */ dev_t dev; /* device associated with the inode */ struct chfs_vnode_cache *chvc; /* vnode cache of this node */ struct chfs_dirent *fd; /* full dirent of this node */ struct chfs_dirent_list dents; struct rb_tree fragtree; /* fragtree of inode */ uint64_t version; /* version number */ uint32_t mode; /* mode */ enum chtype ch_type; /* chfs file type */ uint64_t size; /* file byte count */ uint64_t write_size; /* increasing while write the file out to the flash */ uint32_t uid; /* file owner */ uint32_t gid; /* file group */ uint32_t atime; /* access time */ uint32_t mtime; /* modify time */ uint32_t ctime; /* creation time */ uint32_t iflag; /* flags, see below */ uint32_t flags; /* status flags (chflags) */ dev_t rdev; /* used if type is VCHR or VBLK or VFIFO*/ char *target; /* used if type is VLNK */ }; /* These flags are kept in chfs_inode->iflag. */ #define IN_ACCESS 0x0001 /* Access time update request. */ #define IN_CHANGE 0x0002 /* Inode change time update request. */ #define IN_UPDATE 0x0004 /* Inode was written to; update mtime. */ #define IN_MODIFY 0x2000 /* Modification time update request. */ #define IN_MODIFIED 0x0008 /* Inode has been modified. */ #define IN_ACCESSED 0x0010 /* Inode has been accessed. */ /* unused 0x0020 */ /* was IN_RENAME */ #define IN_SHLOCK 0x0040 /* File has shared lock. */ #define IN_EXLOCK 0x0080 /* File has exclusive lock. */ /* unused 0x0100 */ /* was LFS-only IN_CLEANING */ /* unused 0x0200 */ /* was LFS-only IN_ADIROP */ #define IN_SPACECOUNTED 0x0400 /* Blocks to be freed in free count. */ /* unused 0x1000 */ /* was LFS-only IN_PAGING */ #ifdef VTOI # undef VTOI #endif #ifdef ITOV # undef ITOV #endif /* struct vnode to struct chfs_inode */ #define VTOI(vp) ((struct chfs_inode *)(vp)->v_data) /* struct chfs_inode to struct vnode */ #define ITOV(ip) ((ip)->vp) /* XXX copied from ufs_dinode.h and should not be duplicated here */ #define UFS_NDADDR 12 /* Direct addresses in inode. */ /* XXX this should not be duplicated here */ #define UFS_ROOTINO ((ino_t)2) /* File permissions. */ #define IEXEC 0000100 /* Executable. */ #define IWRITE 0000200 /* Writable. */ #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. */ #endif /* _KERNEL */ #endif /* __CHFS_INODE_H__ */
