hfs.h revision 1.1
1 /* $NetBSD: hfs.h,v 1.1 2007/03/06 00:22:04 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_HFSP_HFSP_H_ 33 #define _FS_HFSP_HFSP_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 HFSP_DEBUG*/ 42 43 #ifdef HFSP_DEBUG 44 #if defined(_KERNEL) && !defined(_LKM) 45 #include "opt_ddb.h" 46 #endif /* defined(_KERNEL_) && !defined(_LKM) */ 47 #endif /* HFSP_DEBUG */ 48 49 #include <fs/hfsp/libhfsp.h> 50 51 /* XXX: make these mount options */ 52 #define HFSP_DEFAULT_UID 0 53 #define HFSP_DEFAULT_GID 0 54 #define HFSP_DEFAULT_DIR_MODE 0755 55 #define HFSP_DEFAULT_FILE_MODE 0755 56 57 MALLOC_DECLARE(M_HFSPMNT); /* defined in hfsp_vfsops.c */ 58 59 struct hfsp_args { 60 char *fspec; /* block special device to mount */ 61 uint64_t offset; /*number of bytes to start of volume from start of device*/ 62 }; 63 64 struct hfspmount { 65 struct mount *hm_mountp; /* filesystem vfs structure */ 66 dev_t hm_dev; /* device mounted */ 67 struct vnode *hm_devvp; /* block device mounted vnode */ 68 hfsp_volume hm_vol; /* essential volume information */ 69 uint64_t offset; /* number of device bloks to start of volume from start of device*/ 70 }; 71 72 struct hfspnode { 73 struct genfs_node h_gnode; 74 LIST_ENTRY(hfspnode) h_hash;/* hash chain */ 75 struct vnode *h_vnode; /* vnode associated with this hnode */ 76 struct hfspmount *h_hmp; /* mount point associated with this hnode */ 77 struct vnode *h_devvp; /* vnode for block I/O */ 78 dev_t h_dev; /* device associated with this hnode */ 79 80 union { 81 hfsp_file_record_t file; 82 hfsp_folder_record_t folder; 83 struct { 84 int16_t rec_type; 85 uint16_t flags; 86 uint32_t valence; 87 hfsp_cnid_t cnid; 88 }; /* convenience for accessing common record info */ 89 } h_rec; /* catalog record for this hnode */ 90 91 /* 92 * We cache this vnode's parent CNID here upon vnode creation (i.e., during 93 * hfsp_vop_vget()) for quick access without needing to search the catalog. 94 * Note, however, that this value must also be updated whenever this file 95 * is moved. 96 */ 97 hfsp_cnid_t h_parent; 98 99 uint8_t h_fork; 100 101 long dummy; /* FOR DEVELOPMENT ONLY */ 102 }; 103 104 typedef struct { 105 uint64_t offset; /* offset to start of volume from start of device */ 106 struct vnode* devvp; /* vnode for device I/O */ 107 size_t devblksz; /* device block size (NOT HFS+ allocation block size)*/ 108 } hfsp_libcb_data; /* custom data used in hfsp_volume.cbdata */ 109 110 typedef struct { 111 kauth_cred_t cred; 112 struct lwp *l; 113 struct vnode *devvp; 114 } hfsp_libcb_argsopen; 115 116 typedef struct { 117 struct lwp *l; 118 } hfsp_libcb_argsclose; 119 120 typedef struct { 121 kauth_cred_t cred; 122 struct lwp *l; 123 } hfsp_libcb_argsread; 124 125 /* 126 * Convenience macros 127 */ 128 129 /* Convert mount ptr to hfspmount ptr. */ 130 #define VFSTOHFSP(mp) ((struct hfspmount *)((mp)->mnt_data)) 131 132 /* Convert between vnode ptrs and hfsnode ptrs. */ 133 #define VTOH(vp) ((struct hfspnode *)(vp)->v_data) 134 #define HTOV(hp) ((hp)->h_vnode) 135 136 /* Get volume's allocation block size given a vnode ptr */ 137 #define HFSP_BLOCKSIZE(vp) (VTOH(vp)->h_hmp->hm_vol.vh.block_size) 138 139 140 /* Convert special device major/minor */ 141 #define HFSP_CONVERT_RDEV(x) makedev((x)>>24, (x)&0xffffff) 142 143 /* 144 * Global variables 145 */ 146 147 extern const struct vnodeopv_desc hfsp_vnodeop_opv_desc; 148 extern const struct vnodeopv_desc hfsp_specop_opv_desc; 149 extern const struct vnodeopv_desc hfsp_fifoop_opv_desc; 150 extern int (**hfsp_specop_p) (void *); 151 extern int (**hfsp_fifoop_p) (void *); 152 153 154 /* 155 * Function prototypes 156 */ 157 158 /* hfsp_nhash.c */ 159 void hfsp_nhashinit (void); 160 void hfsp_nhashdone (void); 161 struct vnode *hfsp_nhashget (dev_t, hfsp_cnid_t, uint8_t, int); 162 void hfsp_nhashinsert (struct hfspnode *); 163 void hfsp_nhashremove (struct hfspnode *); 164 165 /* hfsp_subr.c */ 166 void hfsp_vinit (struct mount *, int (**)(void *), int (**)(void *), 167 struct vnode **); 168 int hfsp_pread(struct vnode*, void*, size_t, uint64_t, uint64_t, kauth_cred_t); 169 char* hfsp_unicode_to_ascii(const unichar_t*, uint8_t, char*); 170 unichar_t* hfsp_ascii_to_unicode(const char*, uint8_t, unichar_t*); 171 172 void hfsp_time_to_timespec(uint32_t, struct timespec *); 173 enum vtype hfsp_catalog_keyed_record_vtype(const hfsp_catalog_keyed_record_t *); 174 175 void hfsp_libcb_error(const char*, const char*, int, va_list); 176 void* hfsp_libcb_malloc(size_t, hfsp_callback_args*); 177 void* hfsp_libcb_realloc(void*, size_t, hfsp_callback_args*); 178 void hfsp_libcb_free(void*, hfsp_callback_args*); 179 int hfsp_libcb_opendev(hfsp_volume*, const char*, uint64_t,hfsp_callback_args*); 180 void hfsp_libcb_closedev(hfsp_volume*, hfsp_callback_args*); 181 int hfsp_libcb_read(hfsp_volume*, void*, uint64_t, uint64_t, 182 hfsp_callback_args*); 183 184 uint16_t be16tohp(void**); 185 uint32_t be32tohp(void**); 186 uint64_t be64tohp(void**); 187 188 189 /* hfsp_vfsops.c */ 190 int hfsp_mount (struct mount *, const char *, void *, struct nameidata *, 191 struct lwp *); 192 int hfsp_mountfs (struct vnode *, struct mount *, struct lwp *, 193 const char *, uint64_t); 194 int hfsp_start (struct mount *, int, struct lwp *); 195 int hfsp_unmount (struct mount *, int, struct lwp *); 196 int hfsp_root (struct mount *, struct vnode **); 197 int hfsp_quotactl (struct mount *, int, uid_t, void *, struct lwp *); 198 int hfsp_statvfs (struct mount *, struct statvfs *, struct lwp *); 199 int hfsp_sync (struct mount *, int, kauth_cred_t , struct lwp *); 200 int hfsp_vget (struct mount *, ino_t, struct vnode **); 201 int hfsp_vget_internal(struct mount *, ino_t, uint8_t, struct vnode **); 202 int hfsp_fhtovp (struct mount *, struct fid *, struct vnode **); 203 int hfsp_vptofh (struct vnode *, struct fid *, size_t *); 204 void hfsp_init (void); 205 void hfsp_reinit (void); 206 void hfsp_done (void); 207 int hfsp_mountroot (void); 208 int hfsp_extattrctl (struct mount *, int, struct vnode *, int, const char *, 209 struct lwp *); 210 211 /* hfsp_vnops.c */ 212 extern int (**hfsp_vnodeop_p) (void *); 213 214 #endif /* !_FS_HFSP_HFSP_H_ */ 215
Indexes created Fri Sep 26 08:10:20 GMT 2025