udf.h revision 1.3
1 /* $NetBSD: udf.h,v 1.3 2006/02/02 15:52:23 reinoud Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Reinoud Zandijk 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.NetBSD.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 37 #include <sys/queue.h> 38 #include <sys/uio.h> 39 40 #include "udf_osta.h" 41 #include "ecma167-udf.h" 42 #include <sys/cdio.h> 43 #include <miscfs/genfs/genfs_node.h> 44 45 #ifndef _FS_UDF_UDF_H_ 46 #define _FS_UDF_UDF_H_ 47 48 49 /* TODO make `udf_verbose' set by sysctl */ 50 /* debug section */ 51 extern int udf_verbose; 52 53 /* initial value of udf_verbose */ 54 #define UDF_DEBUGGING 0x000 55 56 /* debug categories */ 57 #define UDF_DEBUG_VOLUMES 0x001 58 #define UDF_DEBUG_LOCKING 0x002 59 #define UDF_DEBUG_NODE 0x004 60 #define UDF_DEBUG_LOOKUP 0x008 61 #define UDF_DEBUG_READDIR 0x010 62 #define UDF_DEBUG_FIDS 0x020 63 #define UDF_DEBUG_DESCRIPTOR 0x040 64 #define UDF_DEBUG_TRANSLATE 0x080 65 #define UDF_DEBUG_STRATEGY 0x100 66 #define UDF_DEBUG_READ 0x200 67 #define UDF_DEBUG_CALL 0x400 68 #define UDF_DEBUG_NOTIMPL UDF_DEBUG_CALL 69 70 71 #ifdef DEBUG 72 #define DPRINTF(name, arg) { \ 73 if (udf_verbose & UDF_DEBUG_##name) {\ 74 printf arg;\ 75 };\ 76 } 77 #define DPRINTFIF(name, cond, arg) { \ 78 if (udf_verbose & UDF_DEBUG_##name) { \ 79 if (cond) printf arg;\ 80 };\ 81 } 82 #else 83 #define DPRINTF(name, arg) {} 84 #define DPRINTFIF(name, cond, arg) {} 85 #endif 86 87 88 /* constants to identify what kind of identifier we are dealing with */ 89 #define UDF_REGID_DOMAIN 1 90 #define UDF_REGID_UDF 2 91 #define UDF_REGID_IMPLEMENTATION 3 92 #define UDF_REGID_APPLICATION 4 93 #define UDF_REGID_NAME 99 94 95 96 /* DON'T change these: they identify 13thmonkey's UDF implementation */ 97 #define APP_NAME "*NetBSD UDF" 98 #define APP_VERSION_MAIN 1 99 #define APP_VERSION_SUB 0 100 #define IMPL_NAME "*13thMonkey.org" 101 102 103 /* Configuration values */ 104 #define UDF_INODE_HASHBITS 10 105 #define UDF_INODE_HASHSIZE (1<<UDF_INODE_HASHBITS) 106 #define UDF_INODE_HASHMASK (UDF_INODE_HASHSIZE - 1) 107 108 109 /* structure space */ 110 #define UDF_ANCHORS 4 /* 256, 512, N-256, N */ 111 #define UDF_PARTITIONS 4 /* overkill */ 112 #define UDF_PMAPS 4 /* overkill */ 113 114 115 /* constants */ 116 #define UDF_MAX_NAMELEN 255 /* as per SPEC */ 117 #define UDF_TRANS_ZERO ((uint64_t) -1) 118 #define UDF_TRANS_UNMAPPED ((uint64_t) -2) 119 #define UDF_TRANS_INTERN ((uint64_t) -3) 120 #define UDF_MAX_SECTOR ((uint64_t) -10) /* high water mark */ 121 122 123 /* malloc pools */ 124 MALLOC_DECLARE(M_UDFMNT); 125 MALLOC_DECLARE(M_UDFVOLD); 126 MALLOC_DECLARE(M_UDFTEMP); 127 128 struct pool udf_node_pool; 129 130 struct udf_node; 131 132 /* pre cleanup */ 133 struct udf_mount { 134 struct mount *vfs_mountp; 135 struct vnode *devvp; 136 struct mmc_discinfo discinfo; 137 struct udf_args mount_args; 138 139 /* read in structures */ 140 struct anchor_vdp *anchors[UDF_ANCHORS]; /* anchors to VDS */ 141 struct pri_vol_desc *primary_vol; /* identification */ 142 struct logvol_desc *logical_vol; /* main mapping v->p */ 143 struct unalloc_sp_desc *unallocated; /* free UDF space */ 144 struct impvol_desc *implementation; /* likely reduntant */ 145 struct logvol_int_desc *logvol_integrity; /* current integrity */ 146 struct part_desc *partitions[UDF_PARTITIONS]; /* partitions */ 147 148 /* derived; points *into* other structures */ 149 struct udf_logvol_info *logvol_info; /* integrity descr. */ 150 151 /* fileset and root directories */ 152 struct fileset_desc *fileset_desc; /* normally one */ 153 154 /* logical to physical translations */ 155 int vtop[UDF_PMAPS+1]; /* vpartnr trans */ 156 int vtop_tp[UDF_PMAPS+1]; /* type of trans */ 157 158 uint32_t possible_vat_location; /* predicted */ 159 uint32_t vat_table_alloc_length; 160 uint32_t vat_entries; 161 uint32_t vat_offset; /* offset in table */ 162 uint8_t *vat_table; /* read in data */ 163 164 uint32_t sparable_packet_len; 165 struct udf_sparing_table*sparing_table; 166 167 struct udf_node *metafile; 168 struct udf_node *metabitmapfile; 169 struct udf_node *metacopyfile; 170 struct udf_node *metabitmapcopyfile; 171 172 /* disc allocation */ 173 int data_alloc, meta_alloc; /* allocation scheme */ 174 175 struct mmc_trackinfo datatrack; 176 struct mmc_trackinfo metadatatrack; 177 /* TODO free space and usage per partition */ 178 /* ... [UDF_PARTITIONS]; */ 179 180 /* hash table to lookup ino_t -> udf_node */ 181 LIST_HEAD(, udf_node) udf_nodes[UDF_INODE_HASHSIZE]; 182 183 /* allocation pool for udf_node's descriptors */ 184 struct pool desc_pool; 185 186 /* locks */ 187 struct simplelock ihash_slock; 188 struct lock get_node_lock; 189 190 /* lists */ 191 STAILQ_HEAD(, udf_node) dirty_nodes; 192 STAILQ_HEAD(udfmntpts, udf_mount) all_udf_mntpnts; 193 }; 194 195 196 #define UDF_VTOP_RAWPART UDF_PMAPS /* [0..UDF_PMAPS> are normal */ 197 198 /* virtual to physical mapping types */ 199 #define UDF_VTOP_TYPE_RAW 0 200 #define UDF_VTOP_TYPE_UNKNOWN 0 201 #define UDF_VTOP_TYPE_PHYS 1 202 #define UDF_VTOP_TYPE_VIRT 2 203 #define UDF_VTOP_TYPE_SPARABLE 3 204 #define UDF_VTOP_TYPE_META 4 205 206 /* allocation strategies */ 207 #define UDF_ALLOC_SPACEMAP 1 /* spacemaps */ 208 #define UDF_ALLOC_SEQUENTIAL 2 /* linear on NWA */ 209 #define UDF_ALLOC_VAT 3 /* VAT handling */ 210 #define UDF_ALLOC_METABITMAP 4 /* metadata bitmap */ 211 #define UDF_ALLOC_METASEQUENTIAL 5 /* in chunks seq., nodes not seq */ 212 #define UDF_ALLOC_RELAXEDSEQUENTIAL 6 /* only nodes not seq. */ 213 214 /* readdir cookies */ 215 #define UDF_DIRCOOKIE_DOT 1 216 217 218 struct udf_node { 219 struct genfs_node i_gnode; /* has to be first */ 220 struct vnode *vnode; /* vnode associated */ 221 struct udf_mount *ump; 222 223 /* one of `fe' or `efe' can be set, not both (UDF file entry dscr.) */ 224 struct file_entry *fe; 225 struct extfile_entry *efe; 226 227 /* location found and recording location & hints */ 228 struct long_ad loc; /* FID/hash loc. */ 229 struct long_ad next_loc; /* strat 4096 loc */ 230 int needs_indirect; /* has missing indr. */ 231 232 /* TODO support for allocation extents? */ 233 234 /* device number from extended attributes = makedev(min,maj) */ 235 dev_t rdev; 236 237 /* misc */ 238 struct lockf *lockf; /* lock list */ 239 240 /* possibly not needed */ 241 long refcnt; 242 int dirty; 243 int hold; 244 245 struct udf_node *extattr; 246 struct udf_node *streamdir; 247 248 LIST_ENTRY(udf_node) hashchain; /* all udf nodes */ 249 STAILQ_ENTRY(udf_node) dirty_nodes; /* dirty udf nodes */ 250 }; 251 252 #endif /* !_FS_UDF_UDF_H_ */ 253 254
Indexes created Mon Sep 22 21:09:42 GMT 2025