1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * -- <linux/cdrom.h> 4 * General header file for linux CD-ROM drivers 5 * Copyright (C) 1992 David Giller, rafetmad@oxy.edu 6 * 1994, 1995 Eberhard Mönkeberg, emoenke@gwdg.de 7 * 1996 David van Leeuwen, david@tm.tno.nl 8 * 1997, 1998 Erik Andersen, andersee@debian.org 9 * 1998-2002 Jens Axboe, axboe@suse.de 10 */ 11 12 #ifndef _UAPI_LINUX_CDROM_H 13 #define _UAPI_LINUX_CDROM_H 14 15 #include <linux/types.h> 16 #include <asm/byteorder.h> 17 18 /******************************************************* 19 * As of Linux 2.1.x, all Linux CD-ROM application programs will use this 20 * (and only this) include file. It is my hope to provide Linux with 21 * a uniform interface between software accessing CD-ROMs and the various 22 * device drivers that actually talk to the drives. There may still be 23 * 23 different kinds of strange CD-ROM drives, but at least there will 24 * now be one, and only one, Linux CD-ROM interface. 25 * 26 * Additionally, as of Linux 2.1.x, all Linux application programs 27 * should use the O_NONBLOCK option when opening a CD-ROM device 28 * for subsequent ioctl commands. This allows for neat system errors 29 * like "No medium found" or "Wrong medium type" upon attempting to 30 * mount or play an empty slot, mount an audio disc, or play a data disc. 31 * Generally, changing an application program to support O_NONBLOCK 32 * is as easy as the following: 33 * - drive = open("/dev/cdrom", O_RDONLY); 34 * + drive = open("/dev/cdrom", O_RDONLY | O_NONBLOCK); 35 * It is worth the small change. 36 * 37 * Patches for many common CD programs (provided by David A. van Leeuwen) 38 * can be found at: ftp://ftp.gwdg.de/pub/linux/cdrom/drivers/cm206/ 39 * 40 *******************************************************/ 41 42 /* When a driver supports a certain function, but the cdrom drive we are 43 * using doesn't, we will return the error EDRIVE_CANT_DO_THIS. We will 44 * borrow the "Operation not supported" error from the network folks to 45 * accomplish this. Maybe someday we will get a more targeted error code, 46 * but this will do for now... */ 47 #define EDRIVE_CANT_DO_THIS EOPNOTSUPP 48 49 /******************************************************* 50 * The CD-ROM IOCTL commands -- these should be supported by 51 * all the various cdrom drivers. For the CD-ROM ioctls, we 52 * will commandeer byte 0x53, or 'S'. 53 *******************************************************/ 54 #define CDROMPAUSE 0x5301 /* Pause Audio Operation */ 55 #define CDROMRESUME 0x5302 /* Resume paused Audio Operation */ 56 #define CDROMPLAYMSF 0x5303 /* Play Audio MSF (struct cdrom_msf) */ 57 #define CDROMPLAYTRKIND 0x5304 /* Play Audio Track/index 58 (struct cdrom_ti) */ 59 #define CDROMREADTOCHDR 0x5305 /* Read TOC header 60 (struct cdrom_tochdr) */ 61 #define CDROMREADTOCENTRY 0x5306 /* Read TOC entry 62 (struct cdrom_tocentry) */ 63 #define CDROMSTOP 0x5307 /* Stop the cdrom drive */ 64 #define CDROMSTART 0x5308 /* Start the cdrom drive */ 65 #define CDROMEJECT 0x5309 /* Ejects the cdrom media */ 66 #define CDROMVOLCTRL 0x530a /* Control output volume 67 (struct cdrom_volctrl) */ 68 #define CDROMSUBCHNL 0x530b /* Read subchannel data 69 (struct cdrom_subchnl) */ 70 #define CDROMREADMODE2 0x530c /* Read CDROM mode 2 data (2336 Bytes) 71 (struct cdrom_read) */ 72 #define CDROMREADMODE1 0x530d /* Read CDROM mode 1 data (2048 Bytes) 73 (struct cdrom_read) */ 74 #define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */ 75 #define CDROMEJECT_SW 0x530f /* enable(1)/disable(0) auto-ejecting */ 76 #define CDROMMULTISESSION 0x5310 /* Obtain the start-of-last-session 77 address of multi session disks 78 (struct cdrom_multisession) */ 79 #define CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code" 80 if available (struct cdrom_mcn) */ 81 #define CDROM_GET_UPC CDROM_GET_MCN /* This one is deprecated, 82 but here anyway for compatibility */ 83 #define CDROMRESET 0x5312 /* hard-reset the drive */ 84 #define CDROMVOLREAD 0x5313 /* Get the drive's volume setting 85 (struct cdrom_volctrl) */ 86 #define CDROMREADRAW 0x5314 /* read data in raw mode (2352 Bytes) 87 (struct cdrom_read) */ 88 /* 89 * These ioctls are used only used in aztcd.c and optcd.c 90 */ 91 #define CDROMREADCOOKED 0x5315 /* read data in cooked mode */ 92 #define CDROMSEEK 0x5316 /* seek msf address */ 93 94 /* 95 * This ioctl is only used by the scsi-cd driver. 96 It is for playing audio in logical block addressing mode. 97 */ 98 #define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */ 99 100 /* 101 * These ioctls are only used in optcd.c 102 */ 103 #define CDROMREADALL 0x5318 /* read all 2646 bytes */ 104 105 /* 106 * These ioctls are (now) only in ide-cd.c for controlling 107 * drive spindown time. They should be implemented in the 108 * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10, 109 * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE... 110 * -Erik 111 */ 112 #define CDROMGETSPINDOWN 0x531d 113 #define CDROMSETSPINDOWN 0x531e 114 115 /* 116 * These ioctls are implemented through the uniform CD-ROM driver 117 * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM 118 * drivers are eventually ported to the uniform CD-ROM driver interface. 119 */ 120 #define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */ 121 #define CDROM_SET_OPTIONS 0x5320 /* Set behavior options */ 122 #define CDROM_CLEAR_OPTIONS 0x5321 /* Clear behavior options */ 123 #define CDROM_SELECT_SPEED 0x5322 /* Set the CD-ROM speed */ 124 #define CDROM_SELECT_DISC 0x5323 /* Select disc (for juke-boxes) */ 125 #define CDROM_MEDIA_CHANGED 0x5325 /* Check is media changed */ 126 #define CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */ 127 #define CDROM_DISC_STATUS 0x5327 /* Get disc type, etc. */ 128 #define CDROM_CHANGER_NSLOTS 0x5328 /* Get number of slots */ 129 #define CDROM_LOCKDOOR 0x5329 /* lock or unlock door */ 130 #define CDROM_DEBUG 0x5330 /* Turn debug messages on/off */ 131 #define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */ 132 133 /* Note that scsi/scsi_ioctl.h also uses 0x5382 - 0x5386. 134 * Future CDROM ioctls should be kept below 0x537F 135 */ 136 137 /* This ioctl is only used by sbpcd at the moment */ 138 #define CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */ 139 /* conflict with SCSI_IOCTL_GET_IDLUN */ 140 141 /* DVD-ROM Specific ioctls */ 142 #define DVD_READ_STRUCT 0x5390 /* Read structure */ 143 #define DVD_WRITE_STRUCT 0x5391 /* Write structure */ 144 #define DVD_AUTH 0x5392 /* Authentication */ 145 146 #define CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */ 147 #define CDROM_NEXT_WRITABLE 0x5394 /* get next writable block */ 148 #define CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */ 149 150 /******************************************************* 151 * CDROM IOCTL structures 152 *******************************************************/ 153 154 /* Address in MSF format */ 155 struct cdrom_msf0 156 { 157 uint8_t minute; 158 uint8_t second; 159 uint8_t frame; 160 }; 161 162 /* Address in either MSF or logical format */ 163 union cdrom_addr 164 { 165 struct cdrom_msf0 msf; 166 int lba; 167 }; 168 169 /* This struct is used by the CDROMPLAYMSF ioctl */ 170 struct cdrom_msf 171 { 172 uint8_t cdmsf_min0; /* start minute */ 173 uint8_t cdmsf_sec0; /* start second */ 174 uint8_t cdmsf_frame0; /* start frame */ 175 uint8_t cdmsf_min1; /* end minute */ 176 uint8_t cdmsf_sec1; /* end second */ 177 uint8_t cdmsf_frame1; /* end frame */ 178 }; 179 180 /* This struct is used by the CDROMPLAYTRKIND ioctl */ 181 struct cdrom_ti 182 { 183 uint8_t cdti_trk0; /* start track */ 184 uint8_t cdti_ind0; /* start index */ 185 uint8_t cdti_trk1; /* end track */ 186 uint8_t cdti_ind1; /* end index */ 187 }; 188 189 /* This struct is used by the CDROMREADTOCHDR ioctl */ 190 struct cdrom_tochdr 191 { 192 uint8_t cdth_trk0; /* start track */ 193 uint8_t cdth_trk1; /* end track */ 194 }; 195 196 /* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */ 197 struct cdrom_volctrl 198 { 199 uint8_t channel0; 200 uint8_t channel1; 201 uint8_t channel2; 202 uint8_t channel3; 203 }; 204 205 /* This struct is used by the CDROMSUBCHNL ioctl */ 206 struct cdrom_subchnl 207 { 208 uint8_t cdsc_format; 209 uint8_t cdsc_audiostatus; 210 uint8_t cdsc_adr: 4; 211 uint8_t cdsc_ctrl: 4; 212 uint8_t cdsc_trk; 213 uint8_t cdsc_ind; 214 union cdrom_addr cdsc_absaddr; 215 union cdrom_addr cdsc_reladdr; 216 }; 217 218 219 /* This struct is used by the CDROMREADTOCENTRY ioctl */ 220 struct cdrom_tocentry 221 { 222 uint8_t cdte_track; 223 uint8_t cdte_adr :4; 224 uint8_t cdte_ctrl :4; 225 uint8_t cdte_format; 226 union cdrom_addr cdte_addr; 227 uint8_t cdte_datamode; 228 }; 229 230 /* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */ 231 struct cdrom_read 232 { 233 int cdread_lba; 234 char *cdread_bufaddr; 235 int cdread_buflen; 236 }; 237 238 /* This struct is used by the CDROMREADAUDIO ioctl */ 239 struct cdrom_read_audio 240 { 241 union cdrom_addr addr; /* frame address */ 242 uint8_t addr_format; /* CDROM_LBA or CDROM_MSF */ 243 int nframes; /* number of 2352-byte-frames to read at once */ 244 uint8_t *buf; /* frame buffer (size: nframes*2352 bytes) */ 245 }; 246 247 /* This struct is used with the CDROMMULTISESSION ioctl */ 248 struct cdrom_multisession 249 { 250 union cdrom_addr addr; /* frame address: start-of-last-session 251 (not the new "frame 16"!). Only valid 252 if the "xa_flag" is true. */ 253 uint8_t xa_flag; /* 1: "is XA disk" */ 254 uint8_t addr_format; /* CDROM_LBA or CDROM_MSF */ 255 }; 256 257 /* This struct is used with the CDROM_GET_MCN ioctl. 258 * Very few audio discs actually have Universal Product Code information, 259 * which should just be the Medium Catalog Number on the box. Also note 260 * that the way the codeis written on CD is _not_ uniform across all discs! 261 */ 262 struct cdrom_mcn 263 { 264 uint8_t medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */ 265 }; 266 267 /* This is used by the CDROMPLAYBLK ioctl */ 268 struct cdrom_blk 269 { 270 unsigned from; 271 unsigned short len; 272 }; 273 274 #define CDROM_PACKET_SIZE 12 275 276 #define CGC_DATA_UNKNOWN 0 277 #define CGC_DATA_WRITE 1 278 #define CGC_DATA_READ 2 279 #define CGC_DATA_NONE 3 280 281 /* for CDROM_PACKET_COMMAND ioctl */ 282 struct cdrom_generic_command 283 { 284 unsigned char cmd[CDROM_PACKET_SIZE]; 285 unsigned char *buffer; 286 unsigned int buflen; 287 int stat; 288 struct request_sense *sense; 289 unsigned char data_direction; 290 int quiet; 291 int timeout; 292 union { 293 void *reserved[1]; /* unused, actually */ 294 void *unused; 295 }; 296 }; 297 298 /* 299 * A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336, 300 * 2340, or 2352 bytes long. 301 302 * Sector types of the standard CD-ROM data formats: 303 * 304 * format sector type user data size (bytes) 305 * ----------------------------------------------------------------------------- 306 * 1 (Red Book) CD-DA 2352 (CD_FRAMESIZE_RAW) 307 * 2 (Yellow Book) Mode1 Form1 2048 (CD_FRAMESIZE) 308 * 3 (Yellow Book) Mode1 Form2 2336 (CD_FRAMESIZE_RAW0) 309 * 4 (Green Book) Mode2 Form1 2048 (CD_FRAMESIZE) 310 * 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes) 311 * 312 * 313 * The layout of the standard CD-ROM data formats: 314 * ----------------------------------------------------------------------------- 315 * - audio (red): | audio_sample_bytes | 316 * | 2352 | 317 * 318 * - data (yellow, mode1): | sync - head - data - EDC - zero - ECC | 319 * | 12 - 4 - 2048 - 4 - 8 - 276 | 320 * 321 * - data (yellow, mode2): | sync - head - data | 322 * | 12 - 4 - 2336 | 323 * 324 * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC | 325 * | 12 - 4 - 8 - 2048 - 4 - 276 | 326 * 327 * - XA data (green, mode2 form2): | sync - head - sub - data - Spare | 328 * | 12 - 4 - 8 - 2324 - 4 | 329 * 330 */ 331 332 /* Some generally useful CD-ROM information -- mostly based on the above */ 333 #define CD_MINS 74 /* max. minutes per CD, not really a limit */ 334 #define CD_SECS 60 /* seconds per minute */ 335 #define CD_FRAMES 75 /* frames per second */ 336 #define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */ 337 #define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */ 338 #define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */ 339 #define CD_NUM_OF_CHUNKS 98 /* chunks per frame */ 340 #define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */ 341 #define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */ 342 #define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */ 343 #define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */ 344 #define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */ 345 #define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */ 346 #define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ 347 #define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */ 348 #define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */ 349 /* most drives don't deliver everything: */ 350 #define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/ 351 #define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/ 352 353 #define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */ 354 #define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */ 355 #define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */ 356 357 /* CD-ROM address types (cdrom_tocentry.cdte_format) */ 358 #define CDROM_LBA 0x01 /* "logical block": first frame is #0 */ 359 #define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */ 360 361 /* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */ 362 #define CDROM_DATA_TRACK 0x04 363 364 /* The leadout track is always 0xAA, regardless of # of tracks on disc */ 365 #define CDROM_LEADOUT 0xAA 366 367 /* audio states (from SCSI-2, but seen with other drives, too) */ 368 #define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */ 369 #define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */ 370 #define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */ 371 #define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */ 372 #define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */ 373 #define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */ 374 375 /* capability flags used with the uniform CD-ROM driver */ 376 #define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */ 377 #define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */ 378 #define CDC_LOCK 0x4 /* disable manual eject */ 379 #define CDC_SELECT_SPEED 0x8 /* programmable speed */ 380 #define CDC_SELECT_DISC 0x10 /* select disc from juke-box */ 381 #define CDC_MULTI_SESSION 0x20 /* read sessions>1 */ 382 #define CDC_MCN 0x40 /* Medium Catalog Number */ 383 #define CDC_MEDIA_CHANGED 0x80 /* media changed */ 384 #define CDC_PLAY_AUDIO 0x100 /* audio functions */ 385 #define CDC_RESET 0x200 /* hard reset device */ 386 #define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */ 387 #define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */ 388 #define CDC_CD_R 0x2000 /* drive is a CD-R */ 389 #define CDC_CD_RW 0x4000 /* drive is a CD-RW */ 390 #define CDC_DVD 0x8000 /* drive is a DVD */ 391 #define CDC_DVD_R 0x10000 /* drive can write DVD-R */ 392 #define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */ 393 #define CDC_MO_DRIVE 0x40000 /* drive is an MO device */ 394 #define CDC_MRW 0x80000 /* drive can read MRW */ 395 #define CDC_MRW_W 0x100000 /* drive can write MRW */ 396 #define CDC_RAM 0x200000 /* ok to open for WRITE */ 397 398 /* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */ 399 #define CDS_NO_INFO 0 /* if not implemented */ 400 #define CDS_NO_DISC 1 401 #define CDS_TRAY_OPEN 2 402 #define CDS_DRIVE_NOT_READY 3 403 #define CDS_DISC_OK 4 404 405 /* return values for the CDROM_DISC_STATUS ioctl */ 406 /* can also return CDS_NO_[INFO|DISC], from above */ 407 #define CDS_AUDIO 100 408 #define CDS_DATA_1 101 409 #define CDS_DATA_2 102 410 #define CDS_XA_2_1 103 411 #define CDS_XA_2_2 104 412 #define CDS_MIXED 105 413 414 /* User-configurable behavior options for the uniform CD-ROM driver */ 415 #define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */ 416 #define CDO_AUTO_EJECT 0x2 /* open tray on last release() */ 417 #define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */ 418 #define CDO_LOCK 0x8 /* lock tray on open files */ 419 #define CDO_CHECK_TYPE 0x10 /* check type on open for data */ 420 421 /* Special codes used when specifying changer slots. */ 422 #define CDSL_NONE (INT_MAX-1) 423 #define CDSL_CURRENT INT_MAX 424 425 /* For partition based multisession access. IDE can handle 64 partitions 426 * per drive - SCSI CD-ROM's use minors to differentiate between the 427 * various drives, so we can't do multisessions the same way there. 428 * Use the -o session=x option to mount on them. 429 */ 430 #define CD_PART_MAX 64 431 #define CD_PART_MASK (CD_PART_MAX - 1) 432 433 /********************************************************************* 434 * Generic Packet commands, MMC commands, and such 435 *********************************************************************/ 436 437 /* The generic packet command opcodes for CD/DVD Logical Units, 438 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ 439 #define GPCMD_BLANK 0xa1 440 #define GPCMD_CLOSE_TRACK 0x5b 441 #define GPCMD_FLUSH_CACHE 0x35 442 #define GPCMD_FORMAT_UNIT 0x04 443 #define GPCMD_GET_CONFIGURATION 0x46 444 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a 445 #define GPCMD_GET_PERFORMANCE 0xac 446 #define GPCMD_INQUIRY 0x12 447 #define GPCMD_LOAD_UNLOAD 0xa6 448 #define GPCMD_MECHANISM_STATUS 0xbd 449 #define GPCMD_MODE_SELECT_10 0x55 450 #define GPCMD_MODE_SENSE_10 0x5a 451 #define GPCMD_PAUSE_RESUME 0x4b 452 #define GPCMD_PLAY_AUDIO_10 0x45 453 #define GPCMD_PLAY_AUDIO_MSF 0x47 454 #define GPCMD_PLAY_AUDIO_TI 0x48 455 #define GPCMD_PLAY_CD 0xbc 456 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 457 #define GPCMD_READ_10 0x28 458 #define GPCMD_READ_12 0xa8 459 #define GPCMD_READ_BUFFER 0x3c 460 #define GPCMD_READ_BUFFER_CAPACITY 0x5c 461 #define GPCMD_READ_CDVD_CAPACITY 0x25 462 #define GPCMD_READ_CD 0xbe 463 #define GPCMD_READ_CD_MSF 0xb9 464 #define GPCMD_READ_DISC_INFO 0x51 465 #define GPCMD_READ_DVD_STRUCTURE 0xad 466 #define GPCMD_READ_FORMAT_CAPACITIES 0x23 467 #define GPCMD_READ_HEADER 0x44 468 #define GPCMD_READ_TRACK_RZONE_INFO 0x52 469 #define GPCMD_READ_SUBCHANNEL 0x42 470 #define GPCMD_READ_TOC_PMA_ATIP 0x43 471 #define GPCMD_REPAIR_RZONE_TRACK 0x58 472 #define GPCMD_REPORT_KEY 0xa4 473 #define GPCMD_REQUEST_SENSE 0x03 474 #define GPCMD_RESERVE_RZONE_TRACK 0x53 475 #define GPCMD_SEND_CUE_SHEET 0x5d 476 #define GPCMD_SCAN 0xba 477 #define GPCMD_SEEK 0x2b 478 #define GPCMD_SEND_DVD_STRUCTURE 0xbf 479 #define GPCMD_SEND_EVENT 0xa2 480 #define GPCMD_SEND_KEY 0xa3 481 #define GPCMD_SEND_OPC 0x54 482 #define GPCMD_SET_READ_AHEAD 0xa7 483 #define GPCMD_SET_STREAMING 0xb6 484 #define GPCMD_START_STOP_UNIT 0x1b 485 #define GPCMD_STOP_PLAY_SCAN 0x4e 486 #define GPCMD_TEST_UNIT_READY 0x00 487 #define GPCMD_VERIFY_10 0x2f 488 #define GPCMD_WRITE_10 0x2a 489 #define GPCMD_WRITE_12 0xaa 490 #define GPCMD_WRITE_AND_VERIFY_10 0x2e 491 #define GPCMD_WRITE_BUFFER 0x3b 492 /* This is listed as optional in ATAPI 2.6, but is (curiously) 493 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji 494 * Table 377 as an MMC command for SCSi devices though... Most ATAPI 495 * drives support it. */ 496 #define GPCMD_SET_SPEED 0xbb 497 /* This seems to be a SCSI specific CD-ROM opcode 498 * to play data at track/index */ 499 #define GPCMD_PLAYAUDIO_TI 0x48 500 /* 501 * From MS Media Status Notification Support Specification. For 502 * older drives only. 503 */ 504 #define GPCMD_GET_MEDIA_STATUS 0xda 505 506 /* Mode page codes for mode sense/set */ 507 #define GPMODE_VENDOR_PAGE 0x00 508 #define GPMODE_R_W_ERROR_PAGE 0x01 509 #define GPMODE_WRITE_PARMS_PAGE 0x05 510 #define GPMODE_WCACHING_PAGE 0x08 511 #define GPMODE_AUDIO_CTL_PAGE 0x0e 512 #define GPMODE_POWER_PAGE 0x1a 513 #define GPMODE_FAULT_FAIL_PAGE 0x1c 514 #define GPMODE_TO_PROTECT_PAGE 0x1d 515 #define GPMODE_CAPABILITIES_PAGE 0x2a 516 #define GPMODE_ALL_PAGES 0x3f 517 /* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor 518 * of MODE_SENSE_POWER_PAGE */ 519 #define GPMODE_CDROM_PAGE 0x0d 520 521 522 523 /* DVD struct types */ 524 #define DVD_STRUCT_PHYSICAL 0x00 525 #define DVD_STRUCT_COPYRIGHT 0x01 526 #define DVD_STRUCT_DISCKEY 0x02 527 #define DVD_STRUCT_BCA 0x03 528 #define DVD_STRUCT_MANUFACT 0x04 529 530 struct dvd_layer { 531 uint8_t book_version : 4; 532 uint8_t book_type : 4; 533 uint8_t min_rate : 4; 534 uint8_t disc_size : 4; 535 uint8_t layer_type : 4; 536 uint8_t track_path : 1; 537 uint8_t nlayers : 2; 538 uint8_t track_density : 4; 539 uint8_t linear_density : 4; 540 uint8_t bca : 1; 541 uint32_t start_sector; 542 uint32_t end_sector; 543 uint32_t end_sector_l0; 544 }; 545 546 #define DVD_LAYERS 4 547 548 struct dvd_physical { 549 uint8_t type; 550 uint8_t layer_num; 551 struct dvd_layer layer[DVD_LAYERS]; 552 }; 553 554 struct dvd_copyright { 555 uint8_t type; 556 557 uint8_t layer_num; 558 uint8_t cpst; 559 uint8_t rmi; 560 }; 561 562 struct dvd_disckey { 563 uint8_t type; 564 565 unsigned agid : 2; 566 uint8_t value[2048]; 567 }; 568 569 struct dvd_bca { 570 uint8_t type; 571 572 int len; 573 uint8_t value[188]; 574 }; 575 576 struct dvd_manufact { 577 uint8_t type; 578 579 uint8_t layer_num; 580 int len; 581 uint8_t value[2048]; 582 }; 583 584 typedef union { 585 uint8_t type; 586 587 struct dvd_physical physical; 588 struct dvd_copyright copyright; 589 struct dvd_disckey disckey; 590 struct dvd_bca bca; 591 struct dvd_manufact manufact; 592 } dvd_struct; 593 594 /* 595 * DVD authentication ioctl 596 */ 597 598 /* Authentication states */ 599 #define DVD_LU_SEND_AGID 0 600 #define DVD_HOST_SEND_CHALLENGE 1 601 #define DVD_LU_SEND_KEY1 2 602 #define DVD_LU_SEND_CHALLENGE 3 603 #define DVD_HOST_SEND_KEY2 4 604 605 /* Termination states */ 606 #define DVD_AUTH_ESTABLISHED 5 607 #define DVD_AUTH_FAILURE 6 608 609 /* Other functions */ 610 #define DVD_LU_SEND_TITLE_KEY 7 611 #define DVD_LU_SEND_ASF 8 612 #define DVD_INVALIDATE_AGID 9 613 #define DVD_LU_SEND_RPC_STATE 10 614 #define DVD_HOST_SEND_RPC_STATE 11 615 616 /* State data */ 617 typedef uint8_t dvd_key[5]; /* 40-bit value, MSB is first elem. */ 618 typedef uint8_t dvd_challenge[10]; /* 80-bit value, MSB is first elem. */ 619 620 struct dvd_lu_send_agid { 621 uint8_t type; 622 unsigned agid : 2; 623 }; 624 625 struct dvd_host_send_challenge { 626 uint8_t type; 627 unsigned agid : 2; 628 629 dvd_challenge chal; 630 }; 631 632 struct dvd_send_key { 633 uint8_t type; 634 unsigned agid : 2; 635 636 dvd_key key; 637 }; 638 639 struct dvd_lu_send_challenge { 640 uint8_t type; 641 unsigned agid : 2; 642 643 dvd_challenge chal; 644 }; 645 646 #define DVD_CPM_NO_COPYRIGHT 0 647 #define DVD_CPM_COPYRIGHTED 1 648 649 #define DVD_CP_SEC_NONE 0 650 #define DVD_CP_SEC_EXIST 1 651 652 #define DVD_CGMS_UNRESTRICTED 0 653 #define DVD_CGMS_SINGLE 2 654 #define DVD_CGMS_RESTRICTED 3 655 656 struct dvd_lu_send_title_key { 657 uint8_t type; 658 unsigned agid : 2; 659 660 dvd_key title_key; 661 int lba; 662 unsigned cpm : 1; 663 unsigned cp_sec : 1; 664 unsigned cgms : 2; 665 }; 666 667 struct dvd_lu_send_asf { 668 uint8_t type; 669 unsigned agid : 2; 670 671 unsigned asf : 1; 672 }; 673 674 struct dvd_host_send_rpcstate { 675 uint8_t type; 676 uint8_t pdrc; 677 }; 678 679 struct dvd_lu_send_rpcstate { 680 uint8_t type : 2; 681 uint8_t vra : 3; 682 uint8_t ucca : 3; 683 uint8_t region_mask; 684 uint8_t rpc_scheme; 685 }; 686 687 typedef union { 688 uint8_t type; 689 690 struct dvd_lu_send_agid lsa; 691 struct dvd_host_send_challenge hsc; 692 struct dvd_send_key lsk; 693 struct dvd_lu_send_challenge lsc; 694 struct dvd_send_key hsk; 695 struct dvd_lu_send_title_key lstk; 696 struct dvd_lu_send_asf lsasf; 697 struct dvd_host_send_rpcstate hrpcs; 698 struct dvd_lu_send_rpcstate lrpcs; 699 } dvd_authinfo; 700 701 struct request_sense { 702 #if defined(__BIG_ENDIAN_BITFIELD) 703 uint8_t valid : 1; 704 uint8_t error_code : 7; 705 #elif defined(__LITTLE_ENDIAN_BITFIELD) 706 uint8_t error_code : 7; 707 uint8_t valid : 1; 708 #endif 709 uint8_t segment_number; 710 #if defined(__BIG_ENDIAN_BITFIELD) 711 uint8_t reserved1 : 2; 712 uint8_t ili : 1; 713 uint8_t reserved2 : 1; 714 uint8_t sense_key : 4; 715 #elif defined(__LITTLE_ENDIAN_BITFIELD) 716 uint8_t sense_key : 4; 717 uint8_t reserved2 : 1; 718 uint8_t ili : 1; 719 uint8_t reserved1 : 2; 720 #endif 721 uint8_t information[4]; 722 uint8_t add_sense_len; 723 uint8_t command_info[4]; 724 uint8_t asc; 725 uint8_t ascq; 726 uint8_t fruc; 727 uint8_t sks[3]; 728 uint8_t asb[46]; 729 }; 730 731 /* 732 * feature profile 733 */ 734 #define CDF_RWRT 0x0020 /* "Random Writable" */ 735 #define CDF_HWDM 0x0024 /* "Hardware Defect Management" */ 736 #define CDF_MRW 0x0028 737 738 /* 739 * media status bits 740 */ 741 #define CDM_MRW_NOTMRW 0 742 #define CDM_MRW_BGFORMAT_INACTIVE 1 743 #define CDM_MRW_BGFORMAT_ACTIVE 2 744 #define CDM_MRW_BGFORMAT_COMPLETE 3 745 746 /* 747 * mrw address spaces 748 */ 749 #define MRW_LBA_DMA 0 750 #define MRW_LBA_GAA 1 751 752 /* 753 * mrw mode pages (first is deprecated) -- probed at init time and 754 * cdi->mrw_mode_page is set 755 */ 756 #define MRW_MODE_PC_PRE1 0x2c 757 #define MRW_MODE_PC 0x03 758 759 struct mrw_feature_desc { 760 uint16_t feature_code; 761 #if defined(__BIG_ENDIAN_BITFIELD) 762 uint8_t reserved1 : 2; 763 uint8_t feature_version : 4; 764 uint8_t persistent : 1; 765 uint8_t curr : 1; 766 #elif defined(__LITTLE_ENDIAN_BITFIELD) 767 uint8_t curr : 1; 768 uint8_t persistent : 1; 769 uint8_t feature_version : 4; 770 uint8_t reserved1 : 2; 771 #endif 772 uint8_t add_len; 773 #if defined(__BIG_ENDIAN_BITFIELD) 774 uint8_t reserved2 : 7; 775 uint8_t write : 1; 776 #elif defined(__LITTLE_ENDIAN_BITFIELD) 777 uint8_t write : 1; 778 uint8_t reserved2 : 7; 779 #endif 780 uint8_t reserved3; 781 uint8_t reserved4; 782 uint8_t reserved5; 783 }; 784 785 /* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */ 786 struct rwrt_feature_desc { 787 uint16_t feature_code; 788 #if defined(__BIG_ENDIAN_BITFIELD) 789 uint8_t reserved1 : 2; 790 uint8_t feature_version : 4; 791 uint8_t persistent : 1; 792 uint8_t curr : 1; 793 #elif defined(__LITTLE_ENDIAN_BITFIELD) 794 uint8_t curr : 1; 795 uint8_t persistent : 1; 796 uint8_t feature_version : 4; 797 uint8_t reserved1 : 2; 798 #endif 799 uint8_t add_len; 800 uint32_t last_lba; 801 uint32_t block_size; 802 uint16_t blocking; 803 #if defined(__BIG_ENDIAN_BITFIELD) 804 uint8_t reserved2 : 7; 805 uint8_t page_present : 1; 806 #elif defined(__LITTLE_ENDIAN_BITFIELD) 807 uint8_t page_present : 1; 808 uint8_t reserved2 : 7; 809 #endif 810 uint8_t reserved3; 811 }; 812 813 typedef struct { 814 uint16_t disc_information_length; 815 #if defined(__BIG_ENDIAN_BITFIELD) 816 uint8_t reserved1 : 3; 817 uint8_t erasable : 1; 818 uint8_t border_status : 2; 819 uint8_t disc_status : 2; 820 #elif defined(__LITTLE_ENDIAN_BITFIELD) 821 uint8_t disc_status : 2; 822 uint8_t border_status : 2; 823 uint8_t erasable : 1; 824 uint8_t reserved1 : 3; 825 #else 826 #error "Please fix <asm/byteorder.h>" 827 #endif 828 uint8_t n_first_track; 829 uint8_t n_sessions_lsb; 830 uint8_t first_track_lsb; 831 uint8_t last_track_lsb; 832 #if defined(__BIG_ENDIAN_BITFIELD) 833 uint8_t did_v : 1; 834 uint8_t dbc_v : 1; 835 uint8_t uru : 1; 836 uint8_t reserved2 : 2; 837 uint8_t dbit : 1; 838 uint8_t mrw_status : 2; 839 #elif defined(__LITTLE_ENDIAN_BITFIELD) 840 uint8_t mrw_status : 2; 841 uint8_t dbit : 1; 842 uint8_t reserved2 : 2; 843 uint8_t uru : 1; 844 uint8_t dbc_v : 1; 845 uint8_t did_v : 1; 846 #endif 847 uint8_t disc_type; 848 uint8_t n_sessions_msb; 849 uint8_t first_track_msb; 850 uint8_t last_track_msb; 851 uint32_t disc_id; 852 uint32_t lead_in; 853 uint32_t lead_out; 854 uint8_t disc_bar_code[8]; 855 uint8_t reserved3; 856 uint8_t n_opc; 857 } disc_information; 858 859 typedef struct { 860 uint16_t track_information_length; 861 uint8_t track_lsb; 862 uint8_t session_lsb; 863 uint8_t reserved1; 864 #if defined(__BIG_ENDIAN_BITFIELD) 865 uint8_t reserved2 : 2; 866 uint8_t damage : 1; 867 uint8_t copy : 1; 868 uint8_t track_mode : 4; 869 uint8_t rt : 1; 870 uint8_t blank : 1; 871 uint8_t packet : 1; 872 uint8_t fp : 1; 873 uint8_t data_mode : 4; 874 uint8_t reserved3 : 6; 875 uint8_t lra_v : 1; 876 uint8_t nwa_v : 1; 877 #elif defined(__LITTLE_ENDIAN_BITFIELD) 878 uint8_t track_mode : 4; 879 uint8_t copy : 1; 880 uint8_t damage : 1; 881 uint8_t reserved2 : 2; 882 uint8_t data_mode : 4; 883 uint8_t fp : 1; 884 uint8_t packet : 1; 885 uint8_t blank : 1; 886 uint8_t rt : 1; 887 uint8_t nwa_v : 1; 888 uint8_t lra_v : 1; 889 uint8_t reserved3 : 6; 890 #endif 891 uint32_t track_start; 892 uint32_t next_writable; 893 uint32_t free_blocks; 894 uint32_t fixed_packet_size; 895 uint32_t track_size; 896 uint32_t last_rec_address; 897 } track_information; 898 899 struct feature_header { 900 uint32_t data_len; 901 uint8_t reserved1; 902 uint8_t reserved2; 903 uint16_t curr_profile; 904 }; 905 906 struct mode_page_header { 907 uint16_t mode_data_length; 908 uint8_t medium_type; 909 uint8_t reserved1; 910 uint8_t reserved2; 911 uint8_t reserved3; 912 uint16_t desc_length; 913 }; 914 915 /* removable medium feature descriptor */ 916 struct rm_feature_desc { 917 uint16_t feature_code; 918 #if defined(__BIG_ENDIAN_BITFIELD) 919 uint8_t reserved1:2; 920 uint8_t feature_version:4; 921 uint8_t persistent:1; 922 uint8_t curr:1; 923 #elif defined(__LITTLE_ENDIAN_BITFIELD) 924 uint8_t curr:1; 925 uint8_t persistent:1; 926 uint8_t feature_version:4; 927 uint8_t reserved1:2; 928 #endif 929 uint8_t add_len; 930 #if defined(__BIG_ENDIAN_BITFIELD) 931 uint8_t mech_type:3; 932 uint8_t load:1; 933 uint8_t eject:1; 934 uint8_t pvnt_jmpr:1; 935 uint8_t dbml:1; 936 uint8_t lock:1; 937 #elif defined(__LITTLE_ENDIAN_BITFIELD) 938 uint8_t lock:1; 939 uint8_t dbml:1; 940 uint8_t pvnt_jmpr:1; 941 uint8_t eject:1; 942 uint8_t load:1; 943 uint8_t mech_type:3; 944 #endif 945 uint8_t reserved2; 946 uint8_t reserved3; 947 uint8_t reserved4; 948 }; 949 950 #endif /* _UAPI_LINUX_CDROM_H */ 951