| 1 | /*␊ |
| 2 | * Copyright (c) 1998-2009 Apple Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. Please obtain a copy of the License at␊ |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 11 | * file.␊ |
| 12 | * ␊ |
| 13 | * The Original Code and all software distributed under the License are␊ |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 18 | * Please see the License for the specific language governing rights and␊ |
| 19 | * limitations under the License.␊ |
| 20 | * ␊ |
| 21 | * @APPLE_LICENSE_HEADER_END@␊ |
| 22 | */␊ |
| 23 | ␊ |
| 24 | /*!␊ |
| 25 | * @header IOCDMedia␊ |
| 26 | * @abstract␊ |
| 27 | * This header contains the IOCDMedia class definition.␊ |
| 28 | */␊ |
| 29 | ␊ |
| 30 | #ifndef _IOCDMEDIA_H␊ |
| 31 | #define _IOCDMEDIA_H␊ |
| 32 | ␊ |
| 33 | /*!␊ |
| 34 | * @defined kIOCDMediaClass␊ |
| 35 | * @abstract␊ |
| 36 | * kIOCDMediaClass is the name of the IOCDMedia class.␊ |
| 37 | * @discussion␊ |
| 38 | * kIOCDMediaClass is the name of the IOCDMedia class.␊ |
| 39 | */␊ |
| 40 | ␊ |
| 41 | #define kIOCDMediaClass "IOCDMedia"␊ |
| 42 | ␊ |
| 43 | /*!␊ |
| 44 | * @defined kIOCDMediaTOCKey␊ |
| 45 | * @abstract␊ |
| 46 | * kIOCDMediaTOCKey is a property of IOCDMedia objects. It has an OSData value␊ |
| 47 | * and a CDTOC structure.␊ |
| 48 | * @discussion␊ |
| 49 | * The kIOCDMediaTOCKey property contains the CD's full table of contents,␊ |
| 50 | * formatted as a CDTOC structure. The CDTOC structure is same as what is␊ |
| 51 | * returned by a READ TOC command, format 0x02. All fields in the TOC are␊ |
| 52 | * guaranteed to be binary-encoded (no BCD-encoded numbers are ever passed).␊ |
| 53 | */␊ |
| 54 | ␊ |
| 55 | #define kIOCDMediaTOCKey "TOC"␊ |
| 56 | ␊ |
| 57 | /*!␊ |
| 58 | * @defined kIOCDMediaTypeKey␊ |
| 59 | * @abstract␊ |
| 60 | * kIOCDMediaTypeKey is a property of IOCDMedia objects. It has an OSString␊ |
| 61 | * value.␊ |
| 62 | * @discussion␊ |
| 63 | * The kIOCDMediaTypeKey property identifies the CD media type (CD-ROM, CD-R,␊ |
| 64 | * CD-RW, etc). See the kIOCDMediaType contants for possible values.␊ |
| 65 | */␊ |
| 66 | ␊ |
| 67 | #define kIOCDMediaTypeKey "Type"␊ |
| 68 | ␊ |
| 69 | /*!␊ |
| 70 | * @defined kIOCDMediaTypeROM␊ |
| 71 | * The kIOCDMediaTypeKey constant for CD-ROM media (inclusive of the CD-I,␊ |
| 72 | * CD-ROM XA, and CD Audio standards, and mixed mode combinations thereof).␊ |
| 73 | */␊ |
| 74 | ␊ |
| 75 | #define kIOCDMediaTypeROM "CD-ROM"␊ |
| 76 | ␊ |
| 77 | /*!␊ |
| 78 | * @defined kIOCDMediaTypeR␊ |
| 79 | * The kIOCDMediaTypeKey constant for CD Recordable (CD-R) media.␊ |
| 80 | */␊ |
| 81 | ␊ |
| 82 | #define kIOCDMediaTypeR "CD-R"␊ |
| 83 | ␊ |
| 84 | /*!␊ |
| 85 | * @defined kIOCDMediaTypeRW␊ |
| 86 | * The kIOCDMediaTypeKey constant for CD ReWritable (CD-RW) media.␊ |
| 87 | */␊ |
| 88 | ␊ |
| 89 | #define kIOCDMediaTypeRW "CD-RW"␊ |
| 90 | ␊ |
| 91 | #ifdef KERNEL␊ |
| 92 | #ifdef __cplusplus␊ |
| 93 | ␊ |
| 94 | /*␊ |
| 95 | * Kernel␊ |
| 96 | */␊ |
| 97 | ␊ |
| 98 | #include <IOKit/storage/IOCDBlockStorageDriver.h>␊ |
| 99 | #include <IOKit/storage/IOMedia.h>␊ |
| 100 | ␊ |
| 101 | /*!␊ |
| 102 | * @class IOCDMedia␊ |
| 103 | * @abstract␊ |
| 104 | * The IOCDMedia class is a random-access disk device abstraction for CDs.␊ |
| 105 | * @discussion␊ |
| 106 | * The IOCDMedia class is a random-access disk device abstraction for CDs. It␊ |
| 107 | * extends the IOMedia class by implementing special CD APIs, such as readCD,␊ |
| 108 | * and publishing the TOC as a property of the IOCDMedia object.␊ |
| 109 | */␊ |
| 110 | ␊ |
| 111 | class IOCDMedia : public IOMedia␊ |
| 112 | {␊ |
| 113 | OSDeclareDefaultStructors(IOCDMedia)␊ |
| 114 | ␊ |
| 115 | protected:␊ |
| 116 | ␊ |
| 117 | struct ExpansionData { /* */ };␊ |
| 118 | ExpansionData * _expansionData;␊ |
| 119 | ␊ |
| 120 | public:␊ |
| 121 | ␊ |
| 122 | using IOStorage::read;␊ |
| 123 | using IOStorage::write;␊ |
| 124 | ␊ |
| 125 | /*␊ |
| 126 | * Obtain this object's provider. We override the superclass's method to␊ |
| 127 | * return a more specific subclass of IOService -- IOCDBlockStorageDriver. ␊ |
| 128 | * This method serves simply as a convenience to subclass developers.␊ |
| 129 | */␊ |
| 130 | ␊ |
| 131 | virtual IOCDBlockStorageDriver * getProvider() const;␊ |
| 132 | ␊ |
| 133 | /*␊ |
| 134 | * Compare the properties in the supplied table to this object's properties.␊ |
| 135 | */␊ |
| 136 | ␊ |
| 137 | virtual bool matchPropertyTable(OSDictionary * table, SInt32 * score);␊ |
| 138 | ␊ |
| 139 | /*!␊ |
| 140 | * @function read␊ |
| 141 | * @discussion␊ |
| 142 | * Read data from the storage object at the specified byte offset into the␊ |
| 143 | * specified buffer, asynchronously. When the read completes, the caller␊ |
| 144 | * will be notified via the specified completion action.␊ |
| 145 | *␊ |
| 146 | * The buffer will be retained for the duration of the read.␊ |
| 147 | * @param client␊ |
| 148 | * Client requesting the read.␊ |
| 149 | * @param byteStart␊ |
| 150 | * Starting byte offset for the data transfer.␊ |
| 151 | * @param buffer␊ |
| 152 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 153 | * the data transfer.␊ |
| 154 | * @param attributes␊ |
| 155 | * Attributes of the data transfer. See IOStorageAttributes. It is the␊ |
| 156 | * responsibility of the callee to maintain the information for the duration␊ |
| 157 | * of the data transfer, as necessary.␊ |
| 158 | * @param completion␊ |
| 159 | * Completion routine to call once the data transfer is complete. It is the␊ |
| 160 | * responsibility of the callee to maintain the information for the duration␊ |
| 161 | * of the data transfer, as necessary.␊ |
| 162 | */␊ |
| 163 | ␊ |
| 164 | virtual void read(IOService * client,␊ |
| 165 | UInt64 byteStart,␊ |
| 166 | IOMemoryDescriptor * buffer,␊ |
| 167 | IOStorageAttributes * attributes,␊ |
| 168 | IOStorageCompletion * completion);␊ |
| 169 | ␊ |
| 170 | /*␊ |
| 171 | * @function write␊ |
| 172 | * @discussion␊ |
| 173 | * Write data into the storage object at the specified byte offset from the␊ |
| 174 | * specified buffer, asynchronously. When the write completes, the caller␊ |
| 175 | * will be notified via the specified completion action.␊ |
| 176 | *␊ |
| 177 | * The buffer will be retained for the duration of the write.␊ |
| 178 | * @param client␊ |
| 179 | * Client requesting the write.␊ |
| 180 | * @param byteStart␊ |
| 181 | * Starting byte offset for the data transfer.␊ |
| 182 | * @param buffer␊ |
| 183 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 184 | * the data transfer.␊ |
| 185 | * @param attributes␊ |
| 186 | * Attributes of the data transfer. See IOStorageAttributes. It is the␊ |
| 187 | * responsibility of the callee to maintain the information for the duration␊ |
| 188 | * of the data transfer, as necessary.␊ |
| 189 | * @param completion␊ |
| 190 | * Completion routine to call once the data transfer is complete. It is the␊ |
| 191 | * responsibility of the callee to maintain the information for the duration␊ |
| 192 | * of the data transfer, as necessary.␊ |
| 193 | */␊ |
| 194 | ␊ |
| 195 | virtual void write(IOService * client,␊ |
| 196 | UInt64 byteStart,␊ |
| 197 | IOMemoryDescriptor * buffer,␊ |
| 198 | IOStorageAttributes * attributes,␊ |
| 199 | IOStorageCompletion * completion);␊ |
| 200 | ␊ |
| 201 | /*!␊ |
| 202 | * @function readCD␊ |
| 203 | * @discussion␊ |
| 204 | * Read data from the CD media object at the specified byte offset into the␊ |
| 205 | * specified buffer, asynchronously. Special areas of the CD sector can be␊ |
| 206 | * read via this method, such as the header and subchannel data. When the␊ |
| 207 | * read completes, the caller will be notified via the specified completion␊ |
| 208 | * action.␊ |
| 209 | *␊ |
| 210 | * The buffer will be retained for the duration of the read.␊ |
| 211 | * @param client␊ |
| 212 | * Client requesting the read.␊ |
| 213 | * @param byteStart␊ |
| 214 | * Starting byte offset for the data transfer (see sectorArea parameter).␊ |
| 215 | * @param buffer␊ |
| 216 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 217 | * the data transfer.␊ |
| 218 | * @param sectorArea␊ |
| 219 | * Sector area(s) to read. The sum of each area's size defines the natural␊ |
| 220 | * block size of the media for the call. This should be taken into account␊ |
| 221 | * when computing the address of byteStart. See IOCDTypes.h.␊ |
| 222 | * @param sectorType␊ |
| 223 | * Sector type that is expected. The data transfer is terminated as soon as␊ |
| 224 | * data is encountered that does not match the expected type.␊ |
| 225 | * @param attributes␊ |
| 226 | * Attributes of the data transfer. See IOStorageAttributes. It is the␊ |
| 227 | * responsibility of the callee to maintain the information for the duration␊ |
| 228 | * of the data transfer, as necessary.␊ |
| 229 | * @param completion␊ |
| 230 | * Completion routine to call once the data transfer is complete. It is the␊ |
| 231 | * responsibility of the callee to maintain the information for the duration␊ |
| 232 | * of the data transfer, as necessary.␊ |
| 233 | */␊ |
| 234 | ␊ |
| 235 | #ifdef __LP64__␊ |
| 236 | virtual void readCD(IOService * client,␊ |
| 237 | UInt64 byteStart,␊ |
| 238 | IOMemoryDescriptor * buffer,␊ |
| 239 | CDSectorArea sectorArea,␊ |
| 240 | CDSectorType sectorType,␊ |
| 241 | IOStorageAttributes * attributes,␊ |
| 242 | IOStorageCompletion * completion);␊ |
| 243 | #else /* !__LP64__ */␊ |
| 244 | virtual void readCD(IOService * client,␊ |
| 245 | UInt64 byteStart,␊ |
| 246 | IOMemoryDescriptor * buffer,␊ |
| 247 | CDSectorArea sectorArea,␊ |
| 248 | CDSectorType sectorType,␊ |
| 249 | IOStorageCompletion completion);␊ |
| 250 | #endif /* !__LP64__ */␊ |
| 251 | ␊ |
| 252 | /*!␊ |
| 253 | * @function readCD␊ |
| 254 | * @discussion␊ |
| 255 | * Read data from the CD media object at the specified byte offset into the␊ |
| 256 | * specified buffer, synchronously. Special areas of the CD sector can be␊ |
| 257 | * read via this method, such as the header and subchannel data. When the␊ |
| 258 | * read completes, this method will return to the caller. The actual byte␊ |
| 259 | * count field is optional.␊ |
| 260 | * @param client␊ |
| 261 | * Client requesting the read.␊ |
| 262 | * @param byteStart␊ |
| 263 | * Starting byte offset for the data transfer (see sectorArea parameter).␊ |
| 264 | * @param buffer␊ |
| 265 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 266 | * the data transfer.␊ |
| 267 | * @param sectorArea␊ |
| 268 | * Sector area(s) to read. The sum of each area's size defines the natural␊ |
| 269 | * block size of the media for the call. This should be taken into account␊ |
| 270 | * when computing the address of byteStart. See IOCDTypes.h.␊ |
| 271 | * @param sectorType␊ |
| 272 | * Sector type that is expected. The data transfer is terminated as soon as␊ |
| 273 | * data is encountered that does not match the expected type.␊ |
| 274 | * @param attributes␊ |
| 275 | * Attributes of the data transfer. See IOStorageAttributes.␊ |
| 276 | * @param actualByteCount␊ |
| 277 | * Returns the actual number of bytes transferred in the data transfer.␊ |
| 278 | * @result␊ |
| 279 | * Returns the status of the data transfer.␊ |
| 280 | */␊ |
| 281 | ␊ |
| 282 | #ifdef __LP64__␊ |
| 283 | virtual IOReturn readCD(IOService * client,␊ |
| 284 | UInt64 byteStart,␊ |
| 285 | IOMemoryDescriptor * buffer,␊ |
| 286 | CDSectorArea sectorArea,␊ |
| 287 | CDSectorType sectorType,␊ |
| 288 | IOStorageAttributes * attributes = 0,␊ |
| 289 | UInt64 * actualByteCount = 0);␊ |
| 290 | #else /* !__LP64__ */␊ |
| 291 | virtual IOReturn readCD(IOService * client,␊ |
| 292 | UInt64 byteStart,␊ |
| 293 | IOMemoryDescriptor * buffer,␊ |
| 294 | CDSectorArea sectorArea,␊ |
| 295 | CDSectorType sectorType,␊ |
| 296 | UInt64 * actualByteCount = 0);␊ |
| 297 | #endif /* !__LP64__ */␊ |
| 298 | ␊ |
| 299 | /*!␊ |
| 300 | * @function readISRC␊ |
| 301 | * @discussion␊ |
| 302 | * Read the International Standard Recording Code for the specified track.␊ |
| 303 | * @param track␊ |
| 304 | * Track number from which to read the ISRC.␊ |
| 305 | * @param isrc␊ |
| 306 | * Buffer for the ISRC data. Buffer contents will be zero-terminated.␊ |
| 307 | * @result␊ |
| 308 | * Returns the status of the operation.␊ |
| 309 | */␊ |
| 310 | ␊ |
| 311 | virtual IOReturn readISRC(UInt8 track, CDISRC isrc);␊ |
| 312 | ␊ |
| 313 | /*!␊ |
| 314 | * @function readMCN␊ |
| 315 | * @discussion␊ |
| 316 | * Read the Media Catalog Number (also known as the Universal Product Code).␊ |
| 317 | * @param mcn␊ |
| 318 | * Buffer for the MCN data. Buffer contents will be zero-terminated.␊ |
| 319 | * @result␊ |
| 320 | * Returns the status of the operation.␊ |
| 321 | */␊ |
| 322 | ␊ |
| 323 | virtual IOReturn readMCN(CDMCN mcn);␊ |
| 324 | ␊ |
| 325 | /*!␊ |
| 326 | * @function getTOC␊ |
| 327 | * @discussion␊ |
| 328 | * Get the full Table Of Contents.␊ |
| 329 | *␊ |
| 330 | * All CDTOC fields passed across I/O Kit APIs are guaranteed to be␊ |
| 331 | * binary-encoded (no BCD-encoded numbers are ever passed).␊ |
| 332 | * @result␊ |
| 333 | * Returns a pointer to the TOC buffer (do not deallocate).␊ |
| 334 | */␊ |
| 335 | ␊ |
| 336 | virtual CDTOC * getTOC();␊ |
| 337 | ␊ |
| 338 | /*!␊ |
| 339 | * @function getSpeed␊ |
| 340 | * @discussion␊ |
| 341 | * Get the current speed used for data transfers.␊ |
| 342 | * @param kilobytesPerSecond␊ |
| 343 | * Returns the current speed used for data transfers, in kB/s.␊ |
| 344 | *␊ |
| 345 | * kCDSpeedMin specifies the minimum speed for all CD media (1X).␊ |
| 346 | * kCDSpeedMax specifies the maximum speed supported in hardware.␊ |
| 347 | * @result␊ |
| 348 | * Returns the status of the operation.␊ |
| 349 | */␊ |
| 350 | ␊ |
| 351 | virtual IOReturn getSpeed(UInt16 * kilobytesPerSecond); /* 10.1.0 */␊ |
| 352 | ␊ |
| 353 | /*!␊ |
| 354 | * @function setSpeed␊ |
| 355 | * @discussion␊ |
| 356 | * Set the speed to be used for data transfers.␊ |
| 357 | * @param kilobytesPerSecond␊ |
| 358 | * Speed to be used for data transfers, in kB/s.␊ |
| 359 | *␊ |
| 360 | * kCDSpeedMin specifies the minimum speed for all CD media (1X).␊ |
| 361 | * kCDSpeedMax specifies the maximum speed supported in hardware.␊ |
| 362 | * @result␊ |
| 363 | * Returns the status of the operation.␊ |
| 364 | */␊ |
| 365 | ␊ |
| 366 | virtual IOReturn setSpeed(UInt16 kilobytesPerSecond); /* 10.1.0 */␊ |
| 367 | ␊ |
| 368 | /*!␊ |
| 369 | * @function readTOC␊ |
| 370 | * @discussion␊ |
| 371 | * Issue an MMC READ TOC/PMA/ATIP command.␊ |
| 372 | * @param buffer␊ |
| 373 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 374 | * the data transfer.␊ |
| 375 | * @param format␊ |
| 376 | * As documented by MMC.␊ |
| 377 | * @param formatAsTime␊ |
| 378 | * As documented by MMC.␊ |
| 379 | * @param trackOrSessionNumber␊ |
| 380 | * As documented by MMC.␊ |
| 381 | * @param actualByteCount␊ |
| 382 | * Returns the actual number of bytes transferred in the data transfer.␊ |
| 383 | * @result␊ |
| 384 | * Returns the status of the data transfer.␊ |
| 385 | */␊ |
| 386 | ␊ |
| 387 | virtual IOReturn readTOC(IOMemoryDescriptor * buffer,␊ |
| 388 | CDTOCFormat format,␊ |
| 389 | UInt8 formatAsTime,␊ |
| 390 | UInt8 trackOrSessionNumber,␊ |
| 391 | UInt16 * actualByteCount); /* 10.1.3 */␊ |
| 392 | ␊ |
| 393 | /*!␊ |
| 394 | * @function readDiscInfo␊ |
| 395 | * @discussion␊ |
| 396 | * Issue an MMC READ DISC INFORMATION command.␊ |
| 397 | * @param buffer␊ |
| 398 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 399 | * the data transfer.␊ |
| 400 | * @param actualByteCount␊ |
| 401 | * Returns the actual number of bytes transferred in the data transfer.␊ |
| 402 | * @result␊ |
| 403 | * Returns the status of the data transfer.␊ |
| 404 | */␊ |
| 405 | ␊ |
| 406 | virtual IOReturn readDiscInfo(IOMemoryDescriptor * buffer,␊ |
| 407 | UInt16 * actualByteCount); /* 10.1.3 */␊ |
| 408 | ␊ |
| 409 | /*!␊ |
| 410 | * @function readTrackInfo␊ |
| 411 | * @discussion␊ |
| 412 | * Issue an MMC READ TRACK INFORMATION command.␊ |
| 413 | * @param buffer␊ |
| 414 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 415 | * the data transfer.␊ |
| 416 | * @param address␊ |
| 417 | * As documented by MMC.␊ |
| 418 | * @param addressType␊ |
| 419 | * As documented by MMC.␊ |
| 420 | * @param actualByteCount␊ |
| 421 | * Returns the actual number of bytes transferred in the data transfer.␊ |
| 422 | * @result␊ |
| 423 | * Returns the status of the data transfer.␊ |
| 424 | */␊ |
| 425 | ␊ |
| 426 | virtual IOReturn readTrackInfo(IOMemoryDescriptor * buffer,␊ |
| 427 | UInt32 address,␊ |
| 428 | CDTrackInfoAddressType addressType,␊ |
| 429 | UInt16 * actualByteCount); /* 10.1.3 */␊ |
| 430 | ␊ |
| 431 | /*␊ |
| 432 | * @function writeCD␊ |
| 433 | * @discussion␊ |
| 434 | * Write data into the CD media object at the specified byte offset from the␊ |
| 435 | * specified buffer, asynchronously. When the write completes, the caller␊ |
| 436 | * will be notified via the specified completion action.␊ |
| 437 | *␊ |
| 438 | * The buffer will be retained for the duration of the write.␊ |
| 439 | * @param client␊ |
| 440 | * Client requesting the write.␊ |
| 441 | * @param byteStart␊ |
| 442 | * Starting byte offset for the data transfer (see sectorArea parameter).␊ |
| 443 | * @param buffer␊ |
| 444 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 445 | * the data transfer.␊ |
| 446 | * @param sectorArea␊ |
| 447 | * Sector area(s) to write. The sum of each area's size defines the natural␊ |
| 448 | * block size of the media for the call. This should be taken into account␊ |
| 449 | * when computing the address of byteStart. See IOCDTypes.h.␊ |
| 450 | * @param sectorType␊ |
| 451 | * Sector type that is expected.␊ |
| 452 | * @param attributes␊ |
| 453 | * Attributes of the data transfer. See IOStorageAttributes. It is the␊ |
| 454 | * responsibility of the callee to maintain the information for the duration␊ |
| 455 | * of the data transfer, as necessary.␊ |
| 456 | * @param completion␊ |
| 457 | * Completion routine to call once the data transfer is complete. It is the␊ |
| 458 | * responsibility of the callee to maintain the information for the duration␊ |
| 459 | * of the data transfer, as necessary.␊ |
| 460 | */␊ |
| 461 | ␊ |
| 462 | #ifdef __LP64__␊ |
| 463 | virtual void writeCD(IOService * client,␊ |
| 464 | UInt64 byteStart,␊ |
| 465 | IOMemoryDescriptor * buffer,␊ |
| 466 | CDSectorArea sectorArea,␊ |
| 467 | CDSectorType sectorType,␊ |
| 468 | IOStorageAttributes * attributes,␊ |
| 469 | IOStorageCompletion * completion);␊ |
| 470 | #else /* !__LP64__ */␊ |
| 471 | virtual void writeCD(IOService * client,␊ |
| 472 | UInt64 byteStart,␊ |
| 473 | IOMemoryDescriptor * buffer,␊ |
| 474 | CDSectorArea sectorArea,␊ |
| 475 | CDSectorType sectorType,␊ |
| 476 | IOStorageCompletion completion); /* 10.2.0 */␊ |
| 477 | #endif /* !__LP64__ */␊ |
| 478 | ␊ |
| 479 | /*␊ |
| 480 | * @function writeCD␊ |
| 481 | * @discussion␊ |
| 482 | * Write data into the CD media object at the specified byte offset from the␊ |
| 483 | * specified buffer, synchronously. When the write completes, this method␊ |
| 484 | * will return to the caller. The actual byte count field is optional.␊ |
| 485 | * @param client␊ |
| 486 | * Client requesting the write.␊ |
| 487 | * @param byteStart␊ |
| 488 | * Starting byte offset for the data transfer (see sectorArea parameter).␊ |
| 489 | * @param buffer␊ |
| 490 | * Buffer for the data transfer. The size of the buffer implies the size of␊ |
| 491 | * the data transfer.␊ |
| 492 | * @param sectorArea␊ |
| 493 | * Sector area(s) to write. The sum of each area's size defines the natural␊ |
| 494 | * block size of the media for the call. This should be taken into account␊ |
| 495 | * when computing the address of byteStart. See IOCDTypes.h.␊ |
| 496 | * @param sectorType␊ |
| 497 | * Sector type that is expected.␊ |
| 498 | * @param attributes␊ |
| 499 | * Attributes of the data transfer. See IOStorageAttributes.␊ |
| 500 | * @param actualByteCount␊ |
| 501 | * Returns the actual number of bytes transferred in the data transfer.␊ |
| 502 | * @result␊ |
| 503 | * Returns the status of the data transfer.␊ |
| 504 | */␊ |
| 505 | ␊ |
| 506 | #ifdef __LP64__␊ |
| 507 | virtual IOReturn writeCD(IOService * client,␊ |
| 508 | UInt64 byteStart,␊ |
| 509 | IOMemoryDescriptor * buffer,␊ |
| 510 | CDSectorArea sectorArea,␊ |
| 511 | CDSectorType sectorType,␊ |
| 512 | IOStorageAttributes * attributes = 0,␊ |
| 513 | UInt64 * actualByteCount = 0);␊ |
| 514 | #else /* !__LP64__ */␊ |
| 515 | virtual IOReturn writeCD(IOService * client,␊ |
| 516 | UInt64 byteStart,␊ |
| 517 | IOMemoryDescriptor * buffer,␊ |
| 518 | CDSectorArea sectorArea,␊ |
| 519 | CDSectorType sectorType,␊ |
| 520 | UInt64 * actualByteCount = 0); /* 10.2.0 */␊ |
| 521 | #endif /* !__LP64__ */␊ |
| 522 | ␊ |
| 523 | #ifdef __LP64__␊ |
| 524 | OSMetaClassDeclareReservedUnused(IOCDMedia, 0);␊ |
| 525 | OSMetaClassDeclareReservedUnused(IOCDMedia, 1);␊ |
| 526 | OSMetaClassDeclareReservedUnused(IOCDMedia, 2);␊ |
| 527 | OSMetaClassDeclareReservedUnused(IOCDMedia, 3);␊ |
| 528 | OSMetaClassDeclareReservedUnused(IOCDMedia, 4);␊ |
| 529 | OSMetaClassDeclareReservedUnused(IOCDMedia, 5);␊ |
| 530 | OSMetaClassDeclareReservedUnused(IOCDMedia, 6);␊ |
| 531 | #else /* !__LP64__ */␊ |
| 532 | OSMetaClassDeclareReservedUsed(IOCDMedia, 0);␊ |
| 533 | OSMetaClassDeclareReservedUsed(IOCDMedia, 1);␊ |
| 534 | OSMetaClassDeclareReservedUsed(IOCDMedia, 2);␊ |
| 535 | OSMetaClassDeclareReservedUsed(IOCDMedia, 3);␊ |
| 536 | OSMetaClassDeclareReservedUsed(IOCDMedia, 4);␊ |
| 537 | OSMetaClassDeclareReservedUsed(IOCDMedia, 5);␊ |
| 538 | OSMetaClassDeclareReservedUsed(IOCDMedia, 6);␊ |
| 539 | #endif /* !__LP64__ */␊ |
| 540 | OSMetaClassDeclareReservedUnused(IOCDMedia, 7);␊ |
| 541 | OSMetaClassDeclareReservedUnused(IOCDMedia, 8);␊ |
| 542 | OSMetaClassDeclareReservedUnused(IOCDMedia, 9);␊ |
| 543 | OSMetaClassDeclareReservedUnused(IOCDMedia, 10);␊ |
| 544 | OSMetaClassDeclareReservedUnused(IOCDMedia, 11);␊ |
| 545 | OSMetaClassDeclareReservedUnused(IOCDMedia, 12);␊ |
| 546 | OSMetaClassDeclareReservedUnused(IOCDMedia, 13);␊ |
| 547 | OSMetaClassDeclareReservedUnused(IOCDMedia, 14);␊ |
| 548 | OSMetaClassDeclareReservedUnused(IOCDMedia, 15);␊ |
| 549 | };␊ |
| 550 | ␊ |
| 551 | #endif /* __cplusplus */␊ |
| 552 | #endif /* KERNEL */␊ |
| 553 | #endif /* !_IOCDMEDIA_H */␊ |
| 554 | |
