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 */ 155struct cdrom_msf0 156{ 157 __u8 minute; 158 __u8 second; 159 __u8 frame; 160}; 161 162/* Address in either MSF or logical format */ 163union cdrom_addr 164{ 165 struct cdrom_msf0 msf; 166 int lba; 167}; 168 169/* This struct is used by the CDROMPLAYMSF ioctl */ 170struct cdrom_msf 171{ 172 __u8 cdmsf_min0; /* start minute */ 173 __u8 cdmsf_sec0; /* start second */ 174 __u8 cdmsf_frame0; /* start frame */ 175 __u8 cdmsf_min1; /* end minute */ 176 __u8 cdmsf_sec1; /* end second */ 177 __u8 cdmsf_frame1; /* end frame */ 178}; 179 180/* This struct is used by the CDROMPLAYTRKIND ioctl */ 181struct cdrom_ti 182{ 183 __u8 cdti_trk0; /* start track */ 184 __u8 cdti_ind0; /* start index */ 185 __u8 cdti_trk1; /* end track */ 186 __u8 cdti_ind1; /* end index */ 187}; 188 189/* This struct is used by the CDROMREADTOCHDR ioctl */ 190struct cdrom_tochdr 191{ 192 __u8 cdth_trk0; /* start track */ 193 __u8 cdth_trk1; /* end track */ 194}; 195 196/* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */ 197struct cdrom_volctrl 198{ 199 __u8 channel0; 200 __u8 channel1; 201 __u8 channel2; 202 __u8 channel3; 203}; 204 205/* This struct is used by the CDROMSUBCHNL ioctl */ 206struct cdrom_subchnl 207{ 208 __u8 cdsc_format; 209 __u8 cdsc_audiostatus; 210 __u8 cdsc_adr: 4; 211 __u8 cdsc_ctrl: 4; 212 __u8 cdsc_trk; 213 __u8 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 */ 220struct cdrom_tocentry 221{ 222 __u8 cdte_track; 223 __u8 cdte_adr :4; 224 __u8 cdte_ctrl :4; 225 __u8 cdte_format; 226 union cdrom_addr cdte_addr; 227 __u8 cdte_datamode; 228}; 229 230/* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */ 231struct 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 */ 239struct cdrom_read_audio 240{ 241 union cdrom_addr addr; /* frame address */ 242 __u8 addr_format; /* CDROM_LBA or CDROM_MSF */ 243 int nframes; /* number of 2352-byte-frames to read at once */ 244 __u8 __user *buf; /* frame buffer (size: nframes*2352 bytes) */ 245}; 246 247/* This struct is used with the CDROMMULTISESSION ioctl */ 248struct 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 __u8 xa_flag; /* 1: "is XA disk" */ 254 __u8 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 */ 262struct cdrom_mcn 263{ 264 __u8 medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */ 265}; 266 267/* This is used by the CDROMPLAYBLK ioctl */ 268struct 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 */ 282struct cdrom_generic_command 283{ 284 unsigned char cmd[CDROM_PACKET_SIZE]; 285 unsigned char __user *buffer; 286 unsigned int buflen; 287 int stat; 288 struct request_sense __user *sense; 289 unsigned char data_direction; 290 int quiet; 291 int timeout; 292 void __user *reserved[1]; /* unused, actually */ 293}; 294 295/* 296 * A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336, 297 * 2340, or 2352 bytes long. 298 299* Sector types of the standard CD-ROM data formats: 300 * 301 * format sector type user data size (bytes) 302 * ----------------------------------------------------------------------------- 303 * 1 (Red Book) CD-DA 2352 (CD_FRAMESIZE_RAW) 304 * 2 (Yellow Book) Mode1 Form1 2048 (CD_FRAMESIZE) 305 * 3 (Yellow Book) Mode1 Form2 2336 (CD_FRAMESIZE_RAW0) 306 * 4 (Green Book) Mode2 Form1 2048 (CD_FRAMESIZE) 307 * 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes) 308 * 309 * 310 * The layout of the standard CD-ROM data formats: 311 * ----------------------------------------------------------------------------- 312 * - audio (red): | audio_sample_bytes | 313 * | 2352 | 314 * 315 * - data (yellow, mode1): | sync - head - data - EDC - zero - ECC | 316 * | 12 - 4 - 2048 - 4 - 8 - 276 | 317 * 318 * - data (yellow, mode2): | sync - head - data | 319 * | 12 - 4 - 2336 | 320 * 321 * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC | 322 * | 12 - 4 - 8 - 2048 - 4 - 276 | 323 * 324 * - XA data (green, mode2 form2): | sync - head - sub - data - Spare | 325 * | 12 - 4 - 8 - 2324 - 4 | 326 * 327 */ 328 329/* Some generally useful CD-ROM information -- mostly based on the above */ 330#define CD_MINS 74 /* max. minutes per CD, not really a limit */ 331#define CD_SECS 60 /* seconds per minute */ 332#define CD_FRAMES 75 /* frames per second */ 333#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */ 334#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */ 335#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */ 336#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */ 337#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */ 338#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */ 339#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */ 340#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */ 341#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */ 342#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */ 343#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ 344#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */ 345#define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */ 346/* most drives don't deliver everything: */ 347#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/ 348#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/ 349 350#define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */ 351#define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */ 352#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */ 353 354/* CD-ROM address types (cdrom_tocentry.cdte_format) */ 355#define CDROM_LBA 0x01 /* "logical block": first frame is #0 */ 356#define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */ 357 358/* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */ 359#define CDROM_DATA_TRACK 0x04 360 361/* The leadout track is always 0xAA, regardless of # of tracks on disc */ 362#define CDROM_LEADOUT 0xAA 363 364/* audio states (from SCSI-2, but seen with other drives, too) */ 365#define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */ 366#define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */ 367#define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */ 368#define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */ 369#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */ 370#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */ 371 372/* capability flags used with the uniform CD-ROM driver */ 373#define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */ 374#define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */ 375#define CDC_LOCK 0x4 /* disable manual eject */ 376#define CDC_SELECT_SPEED 0x8 /* programmable speed */ 377#define CDC_SELECT_DISC 0x10 /* select disc from juke-box */ 378#define CDC_MULTI_SESSION 0x20 /* read sessions>1 */ 379#define CDC_MCN 0x40 /* Medium Catalog Number */ 380#define CDC_MEDIA_CHANGED 0x80 /* media changed */ 381#define CDC_PLAY_AUDIO 0x100 /* audio functions */ 382#define CDC_RESET 0x200 /* hard reset device */ 383#define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */ 384#define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */ 385#define CDC_CD_R 0x2000 /* drive is a CD-R */ 386#define CDC_CD_RW 0x4000 /* drive is a CD-RW */ 387#define CDC_DVD 0x8000 /* drive is a DVD */ 388#define CDC_DVD_R 0x10000 /* drive can write DVD-R */ 389#define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */ 390#define CDC_MO_DRIVE 0x40000 /* drive is an MO device */ 391#define CDC_MRW 0x80000 /* drive can read MRW */ 392#define CDC_MRW_W 0x100000 /* drive can write MRW */ 393#define CDC_RAM 0x200000 /* ok to open for WRITE */ 394 395/* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */ 396#define CDS_NO_INFO 0 /* if not implemented */ 397#define CDS_NO_DISC 1 398#define CDS_TRAY_OPEN 2 399#define CDS_DRIVE_NOT_READY 3 400#define CDS_DISC_OK 4 401 402/* return values for the CDROM_DISC_STATUS ioctl */ 403/* can also return CDS_NO_[INFO|DISC], from above */ 404#define CDS_AUDIO 100 405#define CDS_DATA_1 101 406#define CDS_DATA_2 102 407#define CDS_XA_2_1 103 408#define CDS_XA_2_2 104 409#define CDS_MIXED 105 410 411/* User-configurable behavior options for the uniform CD-ROM driver */ 412#define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */ 413#define CDO_AUTO_EJECT 0x2 /* open tray on last release() */ 414#define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */ 415#define CDO_LOCK 0x8 /* lock tray on open files */ 416#define CDO_CHECK_TYPE 0x10 /* check type on open for data */ 417 418/* Special codes used when specifying changer slots. */ 419#define CDSL_NONE (INT_MAX-1) 420#define CDSL_CURRENT INT_MAX 421 422/* For partition based multisession access. IDE can handle 64 partitions 423 * per drive - SCSI CD-ROM's use minors to differentiate between the 424 * various drives, so we can't do multisessions the same way there. 425 * Use the -o session=x option to mount on them. 426 */ 427#define CD_PART_MAX 64 428#define CD_PART_MASK (CD_PART_MAX - 1) 429 430/********************************************************************* 431 * Generic Packet commands, MMC commands, and such 432 *********************************************************************/ 433 434 /* The generic packet command opcodes for CD/DVD Logical Units, 435 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ 436#define GPCMD_BLANK 0xa1 437#define GPCMD_CLOSE_TRACK 0x5b 438#define GPCMD_FLUSH_CACHE 0x35 439#define GPCMD_FORMAT_UNIT 0x04 440#define GPCMD_GET_CONFIGURATION 0x46 441#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a 442#define GPCMD_GET_PERFORMANCE 0xac 443#define GPCMD_INQUIRY 0x12 444#define GPCMD_LOAD_UNLOAD 0xa6 445#define GPCMD_MECHANISM_STATUS 0xbd 446#define GPCMD_MODE_SELECT_10 0x55 447#define GPCMD_MODE_SENSE_10 0x5a 448#define GPCMD_PAUSE_RESUME 0x4b 449#define GPCMD_PLAY_AUDIO_10 0x45 450#define GPCMD_PLAY_AUDIO_MSF 0x47 451#define GPCMD_PLAY_AUDIO_TI 0x48 452#define GPCMD_PLAY_CD 0xbc 453#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 454#define GPCMD_READ_10 0x28 455#define GPCMD_READ_12 0xa8 456#define GPCMD_READ_BUFFER 0x3c 457#define GPCMD_READ_BUFFER_CAPACITY 0x5c 458#define GPCMD_READ_CDVD_CAPACITY 0x25 459#define GPCMD_READ_CD 0xbe 460#define GPCMD_READ_CD_MSF 0xb9 461#define GPCMD_READ_DISC_INFO 0x51 462#define GPCMD_READ_DVD_STRUCTURE 0xad 463#define GPCMD_READ_FORMAT_CAPACITIES 0x23 464#define GPCMD_READ_HEADER 0x44 465#define GPCMD_READ_TRACK_RZONE_INFO 0x52 466#define GPCMD_READ_SUBCHANNEL 0x42 467#define GPCMD_READ_TOC_PMA_ATIP 0x43 468#define GPCMD_REPAIR_RZONE_TRACK 0x58 469#define GPCMD_REPORT_KEY 0xa4 470#define GPCMD_REQUEST_SENSE 0x03 471#define GPCMD_RESERVE_RZONE_TRACK 0x53 472#define GPCMD_SEND_CUE_SHEET 0x5d 473#define GPCMD_SCAN 0xba 474#define GPCMD_SEEK 0x2b 475#define GPCMD_SEND_DVD_STRUCTURE 0xbf 476#define GPCMD_SEND_EVENT 0xa2 477#define GPCMD_SEND_KEY 0xa3 478#define GPCMD_SEND_OPC 0x54 479#define GPCMD_SET_READ_AHEAD 0xa7 480#define GPCMD_SET_STREAMING 0xb6 481#define GPCMD_START_STOP_UNIT 0x1b 482#define GPCMD_STOP_PLAY_SCAN 0x4e 483#define GPCMD_TEST_UNIT_READY 0x00 484#define GPCMD_VERIFY_10 0x2f 485#define GPCMD_WRITE_10 0x2a 486#define GPCMD_WRITE_12 0xaa 487#define GPCMD_WRITE_AND_VERIFY_10 0x2e 488#define GPCMD_WRITE_BUFFER 0x3b 489/* This is listed as optional in ATAPI 2.6, but is (curiously) 490 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji 491 * Table 377 as an MMC command for SCSi devices though... Most ATAPI 492 * drives support it. */ 493#define GPCMD_SET_SPEED 0xbb 494/* This seems to be a SCSI specific CD-ROM opcode 495 * to play data at track/index */ 496#define GPCMD_PLAYAUDIO_TI 0x48 497/* 498 * From MS Media Status Notification Support Specification. For 499 * older drives only. 500 */ 501#define GPCMD_GET_MEDIA_STATUS 0xda 502 503/* Mode page codes for mode sense/set */ 504#define GPMODE_VENDOR_PAGE 0x00 505#define GPMODE_R_W_ERROR_PAGE 0x01 506#define GPMODE_WRITE_PARMS_PAGE 0x05 507#define GPMODE_WCACHING_PAGE 0x08 508#define GPMODE_AUDIO_CTL_PAGE 0x0e 509#define GPMODE_POWER_PAGE 0x1a 510#define GPMODE_FAULT_FAIL_PAGE 0x1c 511#define GPMODE_TO_PROTECT_PAGE 0x1d 512#define GPMODE_CAPABILITIES_PAGE 0x2a 513#define GPMODE_ALL_PAGES 0x3f 514/* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor 515 * of MODE_SENSE_POWER_PAGE */ 516#define GPMODE_CDROM_PAGE 0x0d 517 518 519 520/* DVD struct types */ 521#define DVD_STRUCT_PHYSICAL 0x00 522#define DVD_STRUCT_COPYRIGHT 0x01 523#define DVD_STRUCT_DISCKEY 0x02 524#define DVD_STRUCT_BCA 0x03 525#define DVD_STRUCT_MANUFACT 0x04 526 527struct dvd_layer { 528 __u8 book_version : 4; 529 __u8 book_type : 4; 530 __u8 min_rate : 4; 531 __u8 disc_size : 4; 532 __u8 layer_type : 4; 533 __u8 track_path : 1; 534 __u8 nlayers : 2; 535 __u8 track_density : 4; 536 __u8 linear_density : 4; 537 __u8 bca : 1; 538 __u32 start_sector; 539 __u32 end_sector; 540 __u32 end_sector_l0; 541}; 542 543#define DVD_LAYERS 4 544 545struct dvd_physical { 546 __u8 type; 547 __u8 layer_num; 548 struct dvd_layer layer[DVD_LAYERS]; 549}; 550 551struct dvd_copyright { 552 __u8 type; 553 554 __u8 layer_num; 555 __u8 cpst; 556 __u8 rmi; 557}; 558 559struct dvd_disckey { 560 __u8 type; 561 562 unsigned agid : 2; 563 __u8 value[2048]; 564}; 565 566struct dvd_bca { 567 __u8 type; 568 569 int len; 570 __u8 value[188]; 571}; 572 573struct dvd_manufact { 574 __u8 type; 575 576 __u8 layer_num; 577 int len; 578 __u8 value[2048]; 579}; 580 581typedef union { 582 __u8 type; 583 584 struct dvd_physical physical; 585 struct dvd_copyright copyright; 586 struct dvd_disckey disckey; 587 struct dvd_bca bca; 588 struct dvd_manufact manufact; 589} dvd_struct; 590 591/* 592 * DVD authentication ioctl 593 */ 594 595/* Authentication states */ 596#define DVD_LU_SEND_AGID 0 597#define DVD_HOST_SEND_CHALLENGE 1 598#define DVD_LU_SEND_KEY1 2 599#define DVD_LU_SEND_CHALLENGE 3 600#define DVD_HOST_SEND_KEY2 4 601 602/* Termination states */ 603#define DVD_AUTH_ESTABLISHED 5 604#define DVD_AUTH_FAILURE 6 605 606/* Other functions */ 607#define DVD_LU_SEND_TITLE_KEY 7 608#define DVD_LU_SEND_ASF 8 609#define DVD_INVALIDATE_AGID 9 610#define DVD_LU_SEND_RPC_STATE 10 611#define DVD_HOST_SEND_RPC_STATE 11 612 613/* State data */ 614typedef __u8 dvd_key[5]; /* 40-bit value, MSB is first elem. */ 615typedef __u8 dvd_challenge[10]; /* 80-bit value, MSB is first elem. */ 616 617struct dvd_lu_send_agid { 618 __u8 type; 619 unsigned agid : 2; 620}; 621 622struct dvd_host_send_challenge { 623 __u8 type; 624 unsigned agid : 2; 625 626 dvd_challenge chal; 627}; 628 629struct dvd_send_key { 630 __u8 type; 631 unsigned agid : 2; 632 633 dvd_key key; 634}; 635 636struct dvd_lu_send_challenge { 637 __u8 type; 638 unsigned agid : 2; 639 640 dvd_challenge chal; 641}; 642 643#define DVD_CPM_NO_COPYRIGHT 0 644#define DVD_CPM_COPYRIGHTED 1 645 646#define DVD_CP_SEC_NONE 0 647#define DVD_CP_SEC_EXIST 1 648 649#define DVD_CGMS_UNRESTRICTED 0 650#define DVD_CGMS_SINGLE 2 651#define DVD_CGMS_RESTRICTED 3 652 653struct dvd_lu_send_title_key { 654 __u8 type; 655 unsigned agid : 2; 656 657 dvd_key title_key; 658 int lba; 659 unsigned cpm : 1; 660 unsigned cp_sec : 1; 661 unsigned cgms : 2; 662}; 663 664struct dvd_lu_send_asf { 665 __u8 type; 666 unsigned agid : 2; 667 668 unsigned asf : 1; 669}; 670 671struct dvd_host_send_rpcstate { 672 __u8 type; 673 __u8 pdrc; 674}; 675 676struct dvd_lu_send_rpcstate { 677 __u8 type : 2; 678 __u8 vra : 3; 679 __u8 ucca : 3; 680 __u8 region_mask; 681 __u8 rpc_scheme; 682}; 683 684typedef union { 685 __u8 type; 686 687 struct dvd_lu_send_agid lsa; 688 struct dvd_host_send_challenge hsc; 689 struct dvd_send_key lsk; 690 struct dvd_lu_send_challenge lsc; 691 struct dvd_send_key hsk; 692 struct dvd_lu_send_title_key lstk; 693 struct dvd_lu_send_asf lsasf; 694 struct dvd_host_send_rpcstate hrpcs; 695 struct dvd_lu_send_rpcstate lrpcs; 696} dvd_authinfo; 697 698struct request_sense { 699#if defined(__BIG_ENDIAN_BITFIELD) 700 __u8 valid : 1; 701 __u8 error_code : 7; 702#elif defined(__LITTLE_ENDIAN_BITFIELD) 703 __u8 error_code : 7; 704 __u8 valid : 1; 705#endif 706 __u8 segment_number; 707#if defined(__BIG_ENDIAN_BITFIELD) 708 __u8 reserved1 : 2; 709 __u8 ili : 1; 710 __u8 reserved2 : 1; 711 __u8 sense_key : 4; 712#elif defined(__LITTLE_ENDIAN_BITFIELD) 713 __u8 sense_key : 4; 714 __u8 reserved2 : 1; 715 __u8 ili : 1; 716 __u8 reserved1 : 2; 717#endif 718 __u8 information[4]; 719 __u8 add_sense_len; 720 __u8 command_info[4]; 721 __u8 asc; 722 __u8 ascq; 723 __u8 fruc; 724 __u8 sks[3]; 725 __u8 asb[46]; 726}; 727 728/* 729 * feature profile 730 */ 731#define CDF_RWRT 0x0020 /* "Random Writable" */ 732#define CDF_HWDM 0x0024 /* "Hardware Defect Management" */ 733#define CDF_MRW 0x0028 734 735/* 736 * media status bits 737 */ 738#define CDM_MRW_NOTMRW 0 739#define CDM_MRW_BGFORMAT_INACTIVE 1 740#define CDM_MRW_BGFORMAT_ACTIVE 2 741#define CDM_MRW_BGFORMAT_COMPLETE 3 742 743/* 744 * mrw address spaces 745 */ 746#define MRW_LBA_DMA 0 747#define MRW_LBA_GAA 1 748 749/* 750 * mrw mode pages (first is deprecated) -- probed at init time and 751 * cdi->mrw_mode_page is set 752 */ 753#define MRW_MODE_PC_PRE1 0x2c 754#define MRW_MODE_PC 0x03 755 756struct mrw_feature_desc { 757 __be16 feature_code; 758#if defined(__BIG_ENDIAN_BITFIELD) 759 __u8 reserved1 : 2; 760 __u8 feature_version : 4; 761 __u8 persistent : 1; 762 __u8 curr : 1; 763#elif defined(__LITTLE_ENDIAN_BITFIELD) 764 __u8 curr : 1; 765 __u8 persistent : 1; 766 __u8 feature_version : 4; 767 __u8 reserved1 : 2; 768#endif 769 __u8 add_len; 770#if defined(__BIG_ENDIAN_BITFIELD) 771 __u8 reserved2 : 7; 772 __u8 write : 1; 773#elif defined(__LITTLE_ENDIAN_BITFIELD) 774 __u8 write : 1; 775 __u8 reserved2 : 7; 776#endif 777 __u8 reserved3; 778 __u8 reserved4; 779 __u8 reserved5; 780}; 781 782/* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */ 783struct rwrt_feature_desc { 784 __be16 feature_code; 785#if defined(__BIG_ENDIAN_BITFIELD) 786 __u8 reserved1 : 2; 787 __u8 feature_version : 4; 788 __u8 persistent : 1; 789 __u8 curr : 1; 790#elif defined(__LITTLE_ENDIAN_BITFIELD) 791 __u8 curr : 1; 792 __u8 persistent : 1; 793 __u8 feature_version : 4; 794 __u8 reserved1 : 2; 795#endif 796 __u8 add_len; 797 __u32 last_lba; 798 __u32 block_size; 799 __u16 blocking; 800#if defined(__BIG_ENDIAN_BITFIELD) 801 __u8 reserved2 : 7; 802 __u8 page_present : 1; 803#elif defined(__LITTLE_ENDIAN_BITFIELD) 804 __u8 page_present : 1; 805 __u8 reserved2 : 7; 806#endif 807 __u8 reserved3; 808}; 809 810typedef struct { 811 __be16 disc_information_length; 812#if defined(__BIG_ENDIAN_BITFIELD) 813 __u8 reserved1 : 3; 814 __u8 erasable : 1; 815 __u8 border_status : 2; 816 __u8 disc_status : 2; 817#elif defined(__LITTLE_ENDIAN_BITFIELD) 818 __u8 disc_status : 2; 819 __u8 border_status : 2; 820 __u8 erasable : 1; 821 __u8 reserved1 : 3; 822#else 823#error "Please fix <asm/byteorder.h>" 824#endif 825 __u8 n_first_track; 826 __u8 n_sessions_lsb; 827 __u8 first_track_lsb; 828 __u8 last_track_lsb; 829#if defined(__BIG_ENDIAN_BITFIELD) 830 __u8 did_v : 1; 831 __u8 dbc_v : 1; 832 __u8 uru : 1; 833 __u8 reserved2 : 2; 834 __u8 dbit : 1; 835 __u8 mrw_status : 2; 836#elif defined(__LITTLE_ENDIAN_BITFIELD) 837 __u8 mrw_status : 2; 838 __u8 dbit : 1; 839 __u8 reserved2 : 2; 840 __u8 uru : 1; 841 __u8 dbc_v : 1; 842 __u8 did_v : 1; 843#endif 844 __u8 disc_type; 845 __u8 n_sessions_msb; 846 __u8 first_track_msb; 847 __u8 last_track_msb; 848 __u32 disc_id; 849 __u32 lead_in; 850 __u32 lead_out; 851 __u8 disc_bar_code[8]; 852 __u8 reserved3; 853 __u8 n_opc; 854} disc_information; 855 856typedef struct { 857 __be16 track_information_length; 858 __u8 track_lsb; 859 __u8 session_lsb; 860 __u8 reserved1; 861#if defined(__BIG_ENDIAN_BITFIELD) 862 __u8 reserved2 : 2; 863 __u8 damage : 1; 864 __u8 copy : 1; 865 __u8 track_mode : 4; 866 __u8 rt : 1; 867 __u8 blank : 1; 868 __u8 packet : 1; 869 __u8 fp : 1; 870 __u8 data_mode : 4; 871 __u8 reserved3 : 6; 872 __u8 lra_v : 1; 873 __u8 nwa_v : 1; 874#elif defined(__LITTLE_ENDIAN_BITFIELD) 875 __u8 track_mode : 4; 876 __u8 copy : 1; 877 __u8 damage : 1; 878 __u8 reserved2 : 2; 879 __u8 data_mode : 4; 880 __u8 fp : 1; 881 __u8 packet : 1; 882 __u8 blank : 1; 883 __u8 rt : 1; 884 __u8 nwa_v : 1; 885 __u8 lra_v : 1; 886 __u8 reserved3 : 6; 887#endif 888 __be32 track_start; 889 __be32 next_writable; 890 __be32 free_blocks; 891 __be32 fixed_packet_size; 892 __be32 track_size; 893 __be32 last_rec_address; 894} track_information; 895 896struct feature_header { 897 __u32 data_len; 898 __u8 reserved1; 899 __u8 reserved2; 900 __u16 curr_profile; 901}; 902 903struct mode_page_header { 904 __be16 mode_data_length; 905 __u8 medium_type; 906 __u8 reserved1; 907 __u8 reserved2; 908 __u8 reserved3; 909 __be16 desc_length; 910}; 911 912/* removable medium feature descriptor */ 913struct rm_feature_desc { 914 __be16 feature_code; 915#if defined(__BIG_ENDIAN_BITFIELD) 916 __u8 reserved1:2; 917 __u8 feature_version:4; 918 __u8 persistent:1; 919 __u8 curr:1; 920#elif defined(__LITTLE_ENDIAN_BITFIELD) 921 __u8 curr:1; 922 __u8 persistent:1; 923 __u8 feature_version:4; 924 __u8 reserved1:2; 925#endif 926 __u8 add_len; 927#if defined(__BIG_ENDIAN_BITFIELD) 928 __u8 mech_type:3; 929 __u8 load:1; 930 __u8 eject:1; 931 __u8 pvnt_jmpr:1; 932 __u8 dbml:1; 933 __u8 lock:1; 934#elif defined(__LITTLE_ENDIAN_BITFIELD) 935 __u8 lock:1; 936 __u8 dbml:1; 937 __u8 pvnt_jmpr:1; 938 __u8 eject:1; 939 __u8 load:1; 940 __u8 mech_type:3; 941#endif 942 __u8 reserved2; 943 __u8 reserved3; 944 __u8 reserved4; 945}; 946 947#endif /* _UAPI_LINUX_CDROM_H */ 948