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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | /* * 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 <sys/appleapiopts.h> #ifdef __APPLE_API_PRIVATE #include <sys/param.h> #include <sys/lock.h> #include <sys/queue.h> #include <sys/attr.h> #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__ */ |