/* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1998, Apple Computer, Inc. All rights reserved. */ /* * Header file for synthfs data structures * * Change History: * * 17-Aug-1999 Pat Dirks New today. * */ #ifndef __SYNTHFS_H__ #define __SYNTHFS_H__ #include #ifdef __APPLE_API_PRIVATE #include #include #include #include #if DEBUG extern void Debugger(const char *message); /* Private to pexpert... */ #endif __END_DECLS /* XXX Get rid of this as soon as sys/malloc.h can be updated to define a real M_SYNTHFS */ #define M_SYNTHFS M_TEMP /* XXX Get rid of this as soon as sys/vnode.h can be updated to define a real VT_SYNTHFS */ #define VT_SYNTHFS (VT_OTHER+1) struct synthfs_mntdata { struct mount *synthfs_mp; /* filesystem vfs structure */ struct vnode *synthfs_rootvp; dev_t synthfs_mounteddev; unsigned long synthfs_nextid; unsigned long synthfs_filecount; unsigned long synthfs_dircount; unsigned long synthfs_encodingsused; LIST_HEAD(synthfs_fsvnodelist, vnode) synthfs_fsvnodes; }; /* * Various sorts of synthfs vnodes: */ enum synthfsnodetype { SYNTHFS_DIRECTORY = 1, SYNTHFS_FILE, SYNTHFS_SYMLINK }; struct synthfs_dir_node { unsigned long d_entrycount; TAILQ_HEAD(synthfs_d_subnodelist, synthfsnode) d_subnodes; }; struct synthfs_file_node { off_t f_size; }; struct synthfs_symlink_node { int s_length; char *s_symlinktarget; /* Dynamically allocated */ }; struct synthfsnode { TAILQ_ENTRY(synthfsnode) s_sibling; /* synthfsnodes in a given directory */ enum synthfsnodetype s_type; struct synthfsnode *s_parent; struct vnode *s_vp; char *s_name; unsigned long s_nodeflags; /* Internal synthfs flags: IN_CHANGED, IN_MODIFIED, etc. */ unsigned long s_pflags; /* File system flags: IMMUTABLE, etc. */ unsigned long s_nodeid; unsigned long s_generation; mode_t s_mode; short s_linkcount; uid_t s_uid; gid_t s_gid; dev_t s_rdev; struct timeval s_createtime; struct timeval s_accesstime; struct timeval s_modificationtime; struct timeval s_changetime; struct timeval s_backuptime; unsigned long s_flags; /* inode flags: IMMUTABLE, APPEND, etc. */ unsigned long s_script; unsigned long s_finderInfo[8]; union { struct synthfs_dir_node d; struct synthfs_file_node f; struct synthfs_symlink_node s; } s_u; }; #define ROOT_DIRID 2 #define FIRST_SYNTHFS_ID 0x10 /* These flags are kept in flags. */ #define IN_ACCESS 0x0001 /* Access time update request. */ #define IN_CHANGE 0x0002 /* Change time update request. */ #define IN_UPDATE 0x0004 /* Modification time update request. */ #define IN_MODIFIED 0x0008 /* Node has been modified. */ #define IN_RENAME 0x0010 /* Node is being renamed. */ //#define IN_SHLOCK 0x0020 /* File has shared lock. */ //#define IN_EXLOCK 0x0040 /* File has exclusive lock. */ //#define IN_ALLOCATING 0x1000 /* vnode is in transit, wait or ignore */ //#define IN_WANT 0x2000 /* Its being waited for */ #define SYNTHFSTIMES(sp, t1, t2) { \ if ((sp)->s_nodeflags & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) { \ (sp)->s_nodeflags |= IN_MODIFIED; \ if ((sp)->s_nodeflags & IN_ACCESS) { \ (sp)->s_accesstime = *(t1); \ }; \ if ((sp)->s_nodeflags & IN_UPDATE) { \ (sp)->s_modificationtime = *(t2); \ } \ if ((sp)->s_nodeflags & IN_CHANGE) { \ struct timeval _tv; \ \ microtime(&_tv); \ (sp)->s_changetime = _tv; \ }; \ (sp)->s_nodeflags &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE); \ } \ } #define ATTR_REF_DATA(attrrefptr) (((char *)(attrrefptr)) + ((attrrefptr)->attr_dataoffset)) #define STOV(SP) ((SP)->s_vp) #define VTOS(VP) ((struct synthfsnode *)((VP)->v_data)) #define VTOVFS(VP) ((VP)->v_mount) #define STOVFS(HP) ((SP)->s_vp->v_mount) #define SFSTOVFS(SFSMP) ((SFSMP)->sfs_mp) #define VTOSFS(VP) ((struct synthfs_mntdata *)((VP)->v_mount->mnt_data)) #define STOTFS(SP) ((struct synthfs_mntdata *)(SP)->s_vp->v_mount->mnt_data) #define VFSTOSFS(MP) ((struct synthfs_mntdata *)(MP)->mnt_data) #if DEBUG #define DBG_TRACE(P) printf P; #define DBG_INIT(P) printf P; #define DBG_VOP(P) printf P; //#define DBG_ASSERT(a) { if (!(a)) { panic("File "__FILE__", line %d: assertion '%s' failed.\n", __LINE__, #a); } } #define DBG_ASSERT(a) { if (!(a)) { Debugger("Oops - File __FILE__ , line __LINE__: assertion '"#a"' failed."); } } #else #define DBG_TRACE(P) #define DBG_INIT(P) #define DBG_VOP(P) #define DBG_ASSERT(a) #endif extern int (**synthfs_vnodeop_p)(void *); __BEGIN_DECLS int synthfs_mount (struct mount *, vnode_t, user_addr_t, vfs_context_t context); int synthfs_start (struct mount *, int, vfs_context_t context); int synthfs_unmount (struct mount *, int, vfs_context_t context); int synthfs_root (struct mount *, struct vnode **, vfs_context_t context); int synthfs_vfs_getattr (mount_t mp, struct vfs_attr *fsap, vfs_context_t context); int synthfs_sync (struct mount *, int, vfs_context_t context); int synthfs_vget (struct mount *, ino64_t ino, struct vnode **, vfs_context_t context); int synthfs_fhtovp (struct mount *, int, unsigned char *, struct vnode **, vfs_context_t context); int synthfs_vptofh (struct vnode *, int *, unsigned char *, vfs_context_t context); int synthfs_init (struct vfsconf *); int synthfs_sysctl (int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, vfs_context_t context); int synthfs_create (struct vnop_create_args *); int synthfs_open (struct vnop_open_args *); int synthfs_mmap (struct vnop_mmap_args *); int synthfs_getattr (struct vnop_getattr_args *); int synthfs_setattr (struct vnop_setattr_args *); int synthfs_rename (struct vnop_rename_args *); int synthfs_select (struct vnop_select_args *); int synthfs_remove (struct vnop_remove_args *); int synthfs_mkdir (struct vnop_mkdir_args *); int synthfs_rmdir (struct vnop_rmdir_args *); int synthfs_symlink (struct vnop_symlink_args *); int synthfs_readlink (struct vnop_readlink_args *); int synthfs_readdir (struct vnop_readdir_args *); int synthfs_cached_lookup (struct vnop_lookup_args *); int synthfs_lookup (struct vnop_lookup_args *); int synthfs_pathconf (struct vnop_pathconf_args *); int synthfs_inactive (struct vnop_inactive_args*); int synthfs_reclaim (struct vnop_reclaim_args*); void synthfs_setupuio (struct iovec *iov, struct uio *uio, void *buffer, size_t bufsize, enum uio_seg space, enum uio_rw direction, proc_t p); int synthfs_new_directory (mount_t mp, vnode_t dp, const char *name, unsigned long nodeid, mode_t mode, proc_t p, vnode_t *vpp); int synthfs_new_symlink (mount_t mp, vnode_t dp, const char *name, unsigned long nodeid, char *targetstring, proc_t p, vnode_t *vpp); long synthfs_adddirentry (u_int32_t fileno, u_int8_t type, const char *name, struct uio *uio); int synthfs_remove_entry (struct vnode *vp); int synthfs_remove_directory (struct vnode *vp); int synthfs_remove_symlink (struct vnode *vp); int synthfs_move_rename_entry (struct vnode *source_vp, struct vnode *newparent_vp, char *newname); int synthfs_derive_vnode_path (struct vnode *vp, char *vnpath, size_t pathbuffersize); int synthfs_update(struct vnode *vp, struct timeval *access, struct timeval *modify, int waitfor); #endif /* __APPLE_API_PRIVATE */ #endif /* __SYNTHFS_H__ */