hfs.h revision 1.3
1 /* $NetBSD: hfs.h,v 1.3 2007/03/22 13:21:28 dillo Exp $ */ 2 3 /*- 4 * Copyright (c) 2005, 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Yevgeny Binder and Dieter Baron. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _FS_HFS_HFS_H_ 33 #define _FS_HFS_HFS_H_ 34 35 #include <sys/vnode.h> 36 #include <sys/mount.h> 37 38 #include <miscfs/genfs/genfs_node.h> 39 40 /* XXX remove before release */ 41 /*#define HFS_DEBUG*/ 42 43 #ifdef HFS_DEBUG 44 #if defined(_KERNEL) && !defined(_LKM) 45 #include "opt_ddb.h" 46 #endif /* defined(_KERNEL_) && !defined(_LKM) */ 47 #endif /* HFS_DEBUG */ 48 49 #include <fs/hfs/libhfs.h> 50 51 /* XXX: make these mount options */ 52 #define HFS_DEFAULT_UID 0 53 #define HFS_DEFAULT_GID 0 54 #define HFS_DEFAULT_DIR_MODE 0755 55 #define HFS_DEFAULT_FILE_MODE 0755 56 57 MALLOC_DECLARE(M_HFSMNT); /* defined in hfs_vfsops.c */ 58 59 struct hfs_args { 60 char *fspec; /* block special device to mount */ 61 }; 62 63 struct hfsmount { 64 struct mount *hm_mountp; /* filesystem vfs structure */ 65 dev_t hm_dev; /* device mounted */ 66 struct vnode *hm_devvp; /* block device mounted vnode */ 67 hfs_volume hm_vol; /* essential volume information */ 68 }; 69 70 struct hfsnode { 71 struct genfs_node h_gnode; 72 LIST_ENTRY(hfsnode) h_hash;/* hash chain */ 73 struct vnode *h_vnode; /* vnode associated with this hnode */ 74 struct hfsmount *h_hmp; /* mount point associated with this hnode */ 75 struct vnode *h_devvp; /* vnode for block I/O */ 76 dev_t h_dev; /* device associated with this hnode */ 77 78 union { 79 hfs_file_record_t file; 80 hfs_folder_record_t folder; 81 struct { 82 int16_t rec_type; 83 uint16_t flags; 84 uint32_t valence; 85 hfs_cnid_t cnid; 86 }; /* convenience for accessing common record info */ 87 } h_rec; /* catalog record for this hnode */ 88 89 /* 90 * We cache this vnode's parent CNID here upon vnode creation (i.e., during 91 * hfs_vop_vget()) for quick access without needing to search the catalog. 92 * Note, however, that this value must also be updated whenever this file 93 * is moved. 94 */ 95 hfs_cnid_t h_parent; 96 97 uint8_t h_fork; 98 99 long dummy; /* FOR DEVELOPMENT ONLY */ 100 }; 101 102 typedef struct { 103 struct vnode* devvp; /* vnode for device I/O */ 104 size_t devblksz; /* device block size (NOT HFS+ allocation block size)*/ 105 } hfs_libcb_data; /* custom data used in hfs_volume.cbdata */ 106 107 typedef struct { 108 kauth_cred_t cred; 109 struct lwp *l; 110 struct vnode *devvp; 111 } hfs_libcb_argsopen; 112 113 typedef struct { 114 struct lwp *l; 115 } hfs_libcb_argsclose; 116 117 typedef struct { 118 kauth_cred_t cred; 119 struct lwp *l; 120 } hfs_libcb_argsread; 121 122 /* 123 * Convenience macros 124 */ 125 126 /* Convert mount ptr to hfsmount ptr. */ 127 #define VFSTOHFS(mp) ((struct hfsmount *)((mp)->mnt_data)) 128 129 /* Convert between vnode ptrs and hfsnode ptrs. */ 130 #define VTOH(vp) ((struct hfsnode *)(vp)->v_data) 131 #define HTOV(hp) ((hp)->h_vnode) 132 133 /* Get volume's allocation block size given a vnode ptr */ 134 #define HFS_BLOCKSIZE(vp) (VTOH(vp)->h_hmp->hm_vol.vh.block_size) 135 136 137 /* Convert special device major/minor */ 138 #define HFS_CONVERT_RDEV(x) makedev((x)>>24, (x)&0xffffff) 139 140 /* 141 * Global variables 142 */ 143 144 extern const struct vnodeopv_desc hfs_vnodeop_opv_desc; 145 extern const struct vnodeopv_desc hfs_specop_opv_desc; 146 extern const struct vnodeopv_desc hfs_fifoop_opv_desc; 147 extern int (**hfs_specop_p) (void *); 148 extern int (**hfs_fifoop_p) (void *); 149 150 151 /* 152 * Function prototypes 153 */ 154 155 /* hfs_nhash.c */ 156 void hfs_nhashinit (void); 157 void hfs_nhashdone (void); 158 struct vnode *hfs_nhashget (dev_t, hfs_cnid_t, uint8_t, int); 159 void hfs_nhashinsert (struct hfsnode *); 160 void hfs_nhashremove (struct hfsnode *); 161 162 /* hfs_subr.c */ 163 void hfs_vinit (struct mount *, int (**)(void *), int (**)(void *), 164 struct vnode **); 165 int hfs_pread(struct vnode*, void*, size_t, uint64_t, uint64_t, kauth_cred_t); 166 char* hfs_unicode_to_ascii(const unichar_t*, uint8_t, char*); 167 unichar_t* hfs_ascii_to_unicode(const char*, uint8_t, unichar_t*); 168 169 void hfs_time_to_timespec(uint32_t, struct timespec *); 170 enum vtype hfs_catalog_keyed_record_vtype(const hfs_catalog_keyed_record_t *); 171 172 void hfs_libcb_error(const char*, const char*, int, va_list); 173 void* hfs_libcb_malloc(size_t, hfs_callback_args*); 174 void* hfs_libcb_realloc(void*, size_t, hfs_callback_args*); 175 void hfs_libcb_free(void*, hfs_callback_args*); 176 int hfs_libcb_opendev(hfs_volume*, const char*, hfs_callback_args*); 177 void hfs_libcb_closedev(hfs_volume*, hfs_callback_args*); 178 int hfs_libcb_read(hfs_volume*, void*, uint64_t, uint64_t, 179 hfs_callback_args*); 180 181 uint16_t be16tohp(void**); 182 uint32_t be32tohp(void**); 183 uint64_t be64tohp(void**); 184 185 186 /* hfs_vfsops.c */ 187 int hfs_mount (struct mount *, const char *, void *, struct nameidata *, 188 struct lwp *); 189 int hfs_mountfs (struct vnode *, struct mount *, struct lwp *, const char *); 190 int hfs_start (struct mount *, int, struct lwp *); 191 int hfs_unmount (struct mount *, int, struct lwp *); 192 int hfs_root (struct mount *, struct vnode **); 193 int hfs_quotactl (struct mount *, int, uid_t, void *, struct lwp *); 194 int hfs_statvfs (struct mount *, struct statvfs *, struct lwp *); 195 int hfs_sync (struct mount *, int, kauth_cred_t , struct lwp *); 196 int hfs_vget (struct mount *, ino_t, struct vnode **); 197 int hfs_vget_internal(struct mount *, ino_t, uint8_t, struct vnode **); 198 int hfs_fhtovp (struct mount *, struct fid *, struct vnode **); 199 int hfs_vptofh (struct vnode *, struct fid *, size_t *); 200 void hfs_init (void); 201 void hfs_reinit (void); 202 void hfs_done (void); 203 int hfs_mountroot (void); 204 int hfs_extattrctl (struct mount *, int, struct vnode *, int, const char *, 205 struct lwp *); 206 207 /* hfs_vnops.c */ 208 extern int (**hfs_vnodeop_p) (void *); 209 210 #endif /* !_FS_HFS_HFS_H_ */ 211
Indexes created Fri Sep 26 20:09:58 GMT 2025