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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.edu6 * 1994, 1995 Eberhard Mönkeberg, emoenke@gwdg.de7 * 1996 David van Leeuwen, david@tm.tno.nl8 * 1997, 1998 Erik Andersen, andersee@debian.org9 * 1998-2002 Jens Axboe, axboe@suse.de10 */11 12#ifndef _UAPI_LINUX_CDROM_H13#define _UAPI_LINUX_CDROM_H14 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 with21 * a uniform interface between software accessing CD-ROMs and the various 22 * device drivers that actually talk to the drives. There may still be23 * 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_NONBLOCK32 * 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 EOPNOTSUPP48 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.c90 */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.c102 */103#define CDROMREADALL 0x5318 /* read all 2646 bytes */104 105/* 106 * These ioctls were only in (now removed) ide-cd.c for controlling107 * drive spindown time. They should be implemented in the108 * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10,109 * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE...110 * -Erik111 */112#define CDROMGETSPINDOWN 0x531d113#define CDROMSETSPINDOWN 0x531e114 115/* 116 * These ioctls are implemented through the uniform CD-ROM driver117 * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM118 * 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 0x537F135 */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#define CDROM_TIMED_MEDIA_CHANGE 0x5396 /* get the timestamp of the last media change */151 152/*******************************************************153 * CDROM IOCTL structures154 *******************************************************/155 156/* Address in MSF format */157struct cdrom_msf0 158{159 __u8 minute;160 __u8 second;161 __u8 frame;162};163 164/* Address in either MSF or logical format */165union cdrom_addr 166{167 struct cdrom_msf0 msf;168 int lba;169};170 171/* This struct is used by the CDROMPLAYMSF ioctl */ 172struct cdrom_msf 173{174 __u8 cdmsf_min0; /* start minute */175 __u8 cdmsf_sec0; /* start second */176 __u8 cdmsf_frame0; /* start frame */177 __u8 cdmsf_min1; /* end minute */178 __u8 cdmsf_sec1; /* end second */179 __u8 cdmsf_frame1; /* end frame */180};181 182/* This struct is used by the CDROMPLAYTRKIND ioctl */183struct cdrom_ti 184{185 __u8 cdti_trk0; /* start track */186 __u8 cdti_ind0; /* start index */187 __u8 cdti_trk1; /* end track */188 __u8 cdti_ind1; /* end index */189};190 191/* This struct is used by the CDROMREADTOCHDR ioctl */192struct cdrom_tochdr 193{194 __u8 cdth_trk0; /* start track */195 __u8 cdth_trk1; /* end track */196};197 198/* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */199struct cdrom_volctrl200{201 __u8 channel0;202 __u8 channel1;203 __u8 channel2;204 __u8 channel3;205};206 207/* This struct is used by the CDROMSUBCHNL ioctl */208struct cdrom_subchnl 209{210 __u8 cdsc_format;211 __u8 cdsc_audiostatus;212 __u8 cdsc_adr: 4;213 __u8 cdsc_ctrl: 4;214 __u8 cdsc_trk;215 __u8 cdsc_ind;216 union cdrom_addr cdsc_absaddr;217 union cdrom_addr cdsc_reladdr;218};219 220 221/* This struct is used by the CDROMREADTOCENTRY ioctl */222struct cdrom_tocentry 223{224 __u8 cdte_track;225 __u8 cdte_adr :4;226 __u8 cdte_ctrl :4;227 __u8 cdte_format;228 union cdrom_addr cdte_addr;229 __u8 cdte_datamode;230};231 232/* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */233struct cdrom_read 234{235 int cdread_lba;236 char *cdread_bufaddr;237 int cdread_buflen;238};239 240/* This struct is used by the CDROMREADAUDIO ioctl */241struct cdrom_read_audio242{243 union cdrom_addr addr; /* frame address */244 __u8 addr_format; /* CDROM_LBA or CDROM_MSF */245 int nframes; /* number of 2352-byte-frames to read at once */246 __u8 __user *buf; /* frame buffer (size: nframes*2352 bytes) */247};248 249/* This struct is used with the CDROMMULTISESSION ioctl */250struct cdrom_multisession251{252 union cdrom_addr addr; /* frame address: start-of-last-session 253 (not the new "frame 16"!). Only valid254 if the "xa_flag" is true. */255 __u8 xa_flag; /* 1: "is XA disk" */256 __u8 addr_format; /* CDROM_LBA or CDROM_MSF */257};258 259/* This struct is used with the CDROM_GET_MCN ioctl. 260 * Very few audio discs actually have Universal Product Code information, 261 * which should just be the Medium Catalog Number on the box. Also note 262 * that the way the codeis written on CD is _not_ uniform across all discs!263 */ 264struct cdrom_mcn 265{266 __u8 medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */267};268 269/* This is used by the CDROMPLAYBLK ioctl */270struct cdrom_blk 271{272 unsigned from;273 unsigned short len;274};275 276#define CDROM_PACKET_SIZE 12277 278#define CGC_DATA_UNKNOWN 0279#define CGC_DATA_WRITE 1280#define CGC_DATA_READ 2281#define CGC_DATA_NONE 3282 283/* for CDROM_PACKET_COMMAND ioctl */284struct cdrom_generic_command285{286 unsigned char cmd[CDROM_PACKET_SIZE];287 unsigned char __user *buffer;288 unsigned int buflen;289 int stat;290 struct request_sense __user *sense;291 unsigned char data_direction;292 int quiet;293 int timeout;294 union {295 void __user *reserved[1]; /* unused, actually */296 void __user *unused;297 };298};299 300/* This struct is used by CDROM_TIMED_MEDIA_CHANGE */301struct cdrom_timed_media_change_info {302 __s64 last_media_change; /* Timestamp of the last detected media303 * change in ms. May be set by caller,304 * updated upon successful return of305 * ioctl.306 */307 __u64 media_flags; /* Flags returned by ioctl to indicate308 * media status.309 */310};311#define MEDIA_CHANGED_FLAG 0x1 /* Last detected media change was more312 * recent than last_media_change set by313 * caller.314 */315/* other bits of media_flags available for future use */316 317/*318 * A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336, 319 * 2340, or 2352 bytes long. 320 321* Sector types of the standard CD-ROM data formats:322 *323 * format sector type user data size (bytes)324 * -----------------------------------------------------------------------------325 * 1 (Red Book) CD-DA 2352 (CD_FRAMESIZE_RAW)326 * 2 (Yellow Book) Mode1 Form1 2048 (CD_FRAMESIZE)327 * 3 (Yellow Book) Mode1 Form2 2336 (CD_FRAMESIZE_RAW0)328 * 4 (Green Book) Mode2 Form1 2048 (CD_FRAMESIZE)329 * 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes)330 *331 *332 * The layout of the standard CD-ROM data formats:333 * -----------------------------------------------------------------------------334 * - audio (red): | audio_sample_bytes |335 * | 2352 |336 *337 * - data (yellow, mode1): | sync - head - data - EDC - zero - ECC |338 * | 12 - 4 - 2048 - 4 - 8 - 276 |339 *340 * - data (yellow, mode2): | sync - head - data |341 * | 12 - 4 - 2336 |342 *343 * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |344 * | 12 - 4 - 8 - 2048 - 4 - 276 |345 *346 * - XA data (green, mode2 form2): | sync - head - sub - data - Spare |347 * | 12 - 4 - 8 - 2324 - 4 |348 *349 */350 351/* Some generally useful CD-ROM information -- mostly based on the above */352#define CD_MINS 74 /* max. minutes per CD, not really a limit */353#define CD_SECS 60 /* seconds per minute */354#define CD_FRAMES 75 /* frames per second */355#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */356#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */357#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */358#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */359#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */360#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */361#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */362#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */363#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */364#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */365#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */366#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */367#define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */ 368/* most drives don't deliver everything: */369#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/370#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/371 372#define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */373#define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */374#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */375 376/* CD-ROM address types (cdrom_tocentry.cdte_format) */377#define CDROM_LBA 0x01 /* "logical block": first frame is #0 */378#define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */379 380/* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */381#define CDROM_DATA_TRACK 0x04382 383/* The leadout track is always 0xAA, regardless of # of tracks on disc */384#define CDROM_LEADOUT 0xAA385 386/* audio states (from SCSI-2, but seen with other drives, too) */387#define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */388#define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */389#define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */390#define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */391#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */392#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */393 394/* capability flags used with the uniform CD-ROM driver */ 395#define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */396#define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */397#define CDC_LOCK 0x4 /* disable manual eject */398#define CDC_SELECT_SPEED 0x8 /* programmable speed */399#define CDC_SELECT_DISC 0x10 /* select disc from juke-box */400#define CDC_MULTI_SESSION 0x20 /* read sessions>1 */401#define CDC_MCN 0x40 /* Medium Catalog Number */402#define CDC_MEDIA_CHANGED 0x80 /* media changed */403#define CDC_PLAY_AUDIO 0x100 /* audio functions */404#define CDC_RESET 0x200 /* hard reset device */405#define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */406#define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */407#define CDC_CD_R 0x2000 /* drive is a CD-R */408#define CDC_CD_RW 0x4000 /* drive is a CD-RW */409#define CDC_DVD 0x8000 /* drive is a DVD */410#define CDC_DVD_R 0x10000 /* drive can write DVD-R */411#define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */412#define CDC_MO_DRIVE 0x40000 /* drive is an MO device */413#define CDC_MRW 0x80000 /* drive can read MRW */414#define CDC_MRW_W 0x100000 /* drive can write MRW */415#define CDC_RAM 0x200000 /* ok to open for WRITE */416 417/* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */418#define CDS_NO_INFO 0 /* if not implemented */419#define CDS_NO_DISC 1420#define CDS_TRAY_OPEN 2421#define CDS_DRIVE_NOT_READY 3422#define CDS_DISC_OK 4423 424/* return values for the CDROM_DISC_STATUS ioctl */425/* can also return CDS_NO_[INFO|DISC], from above */426#define CDS_AUDIO 100427#define CDS_DATA_1 101428#define CDS_DATA_2 102429#define CDS_XA_2_1 103430#define CDS_XA_2_2 104431#define CDS_MIXED 105432 433/* User-configurable behavior options for the uniform CD-ROM driver */434#define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */435#define CDO_AUTO_EJECT 0x2 /* open tray on last release() */436#define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */437#define CDO_LOCK 0x8 /* lock tray on open files */438#define CDO_CHECK_TYPE 0x10 /* check type on open for data */439 440/* Special codes used when specifying changer slots. */441#define CDSL_NONE (INT_MAX-1)442#define CDSL_CURRENT INT_MAX443 444/* For partition based multisession access. IDE can handle 64 partitions445 * per drive - SCSI CD-ROM's use minors to differentiate between the446 * various drives, so we can't do multisessions the same way there.447 * Use the -o session=x option to mount on them.448 */449#define CD_PART_MAX 64450#define CD_PART_MASK (CD_PART_MAX - 1)451 452/*********************************************************************453 * Generic Packet commands, MMC commands, and such454 *********************************************************************/455 456 /* The generic packet command opcodes for CD/DVD Logical Units,457 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */458#define GPCMD_BLANK 0xa1459#define GPCMD_CLOSE_TRACK 0x5b460#define GPCMD_FLUSH_CACHE 0x35461#define GPCMD_FORMAT_UNIT 0x04462#define GPCMD_GET_CONFIGURATION 0x46463#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a464#define GPCMD_GET_PERFORMANCE 0xac465#define GPCMD_INQUIRY 0x12466#define GPCMD_LOAD_UNLOAD 0xa6467#define GPCMD_MECHANISM_STATUS 0xbd468#define GPCMD_MODE_SELECT_10 0x55469#define GPCMD_MODE_SENSE_10 0x5a470#define GPCMD_PAUSE_RESUME 0x4b471#define GPCMD_PLAY_AUDIO_10 0x45472#define GPCMD_PLAY_AUDIO_MSF 0x47473#define GPCMD_PLAY_AUDIO_TI 0x48474#define GPCMD_PLAY_CD 0xbc475#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e476#define GPCMD_READ_10 0x28477#define GPCMD_READ_12 0xa8478#define GPCMD_READ_BUFFER 0x3c479#define GPCMD_READ_BUFFER_CAPACITY 0x5c480#define GPCMD_READ_CDVD_CAPACITY 0x25481#define GPCMD_READ_CD 0xbe482#define GPCMD_READ_CD_MSF 0xb9483#define GPCMD_READ_DISC_INFO 0x51484#define GPCMD_READ_DVD_STRUCTURE 0xad485#define GPCMD_READ_FORMAT_CAPACITIES 0x23486#define GPCMD_READ_HEADER 0x44487#define GPCMD_READ_TRACK_RZONE_INFO 0x52488#define GPCMD_READ_SUBCHANNEL 0x42489#define GPCMD_READ_TOC_PMA_ATIP 0x43490#define GPCMD_REPAIR_RZONE_TRACK 0x58491#define GPCMD_REPORT_KEY 0xa4492#define GPCMD_REQUEST_SENSE 0x03493#define GPCMD_RESERVE_RZONE_TRACK 0x53494#define GPCMD_SEND_CUE_SHEET 0x5d495#define GPCMD_SCAN 0xba496#define GPCMD_SEEK 0x2b497#define GPCMD_SEND_DVD_STRUCTURE 0xbf498#define GPCMD_SEND_EVENT 0xa2499#define GPCMD_SEND_KEY 0xa3500#define GPCMD_SEND_OPC 0x54501#define GPCMD_SET_READ_AHEAD 0xa7502#define GPCMD_SET_STREAMING 0xb6503#define GPCMD_START_STOP_UNIT 0x1b504#define GPCMD_STOP_PLAY_SCAN 0x4e505#define GPCMD_TEST_UNIT_READY 0x00506#define GPCMD_VERIFY_10 0x2f507#define GPCMD_WRITE_10 0x2a508#define GPCMD_WRITE_12 0xaa509#define GPCMD_WRITE_AND_VERIFY_10 0x2e510#define GPCMD_WRITE_BUFFER 0x3b511/* This is listed as optional in ATAPI 2.6, but is (curiously) 512 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji513 * Table 377 as an MMC command for SCSi devices though... Most ATAPI514 * drives support it. */515#define GPCMD_SET_SPEED 0xbb516/* This seems to be a SCSI specific CD-ROM opcode 517 * to play data at track/index */518#define GPCMD_PLAYAUDIO_TI 0x48519/*520 * From MS Media Status Notification Support Specification. For521 * older drives only.522 */523#define GPCMD_GET_MEDIA_STATUS 0xda524 525/* Mode page codes for mode sense/set */526#define GPMODE_VENDOR_PAGE 0x00527#define GPMODE_R_W_ERROR_PAGE 0x01528#define GPMODE_WRITE_PARMS_PAGE 0x05529#define GPMODE_WCACHING_PAGE 0x08530#define GPMODE_AUDIO_CTL_PAGE 0x0e531#define GPMODE_POWER_PAGE 0x1a532#define GPMODE_FAULT_FAIL_PAGE 0x1c533#define GPMODE_TO_PROTECT_PAGE 0x1d534#define GPMODE_CAPABILITIES_PAGE 0x2a535#define GPMODE_ALL_PAGES 0x3f536/* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor537 * of MODE_SENSE_POWER_PAGE */538#define GPMODE_CDROM_PAGE 0x0d539 540 541 542/* DVD struct types */543#define DVD_STRUCT_PHYSICAL 0x00544#define DVD_STRUCT_COPYRIGHT 0x01545#define DVD_STRUCT_DISCKEY 0x02546#define DVD_STRUCT_BCA 0x03547#define DVD_STRUCT_MANUFACT 0x04548 549struct dvd_layer {550 __u8 book_version : 4;551 __u8 book_type : 4;552 __u8 min_rate : 4;553 __u8 disc_size : 4;554 __u8 layer_type : 4;555 __u8 track_path : 1;556 __u8 nlayers : 2;557 __u8 track_density : 4;558 __u8 linear_density : 4;559 __u8 bca : 1;560 __u32 start_sector;561 __u32 end_sector;562 __u32 end_sector_l0;563};564 565#define DVD_LAYERS 4566 567struct dvd_physical {568 __u8 type;569 __u8 layer_num;570 struct dvd_layer layer[DVD_LAYERS];571};572 573struct dvd_copyright {574 __u8 type;575 576 __u8 layer_num;577 __u8 cpst;578 __u8 rmi;579};580 581struct dvd_disckey {582 __u8 type;583 584 unsigned agid : 2;585 __u8 value[2048];586};587 588struct dvd_bca {589 __u8 type;590 591 int len;592 __u8 value[188];593};594 595struct dvd_manufact {596 __u8 type;597 598 __u8 layer_num;599 int len;600 __u8 value[2048];601};602 603typedef union {604 __u8 type;605 606 struct dvd_physical physical;607 struct dvd_copyright copyright;608 struct dvd_disckey disckey;609 struct dvd_bca bca;610 struct dvd_manufact manufact;611} dvd_struct;612 613/*614 * DVD authentication ioctl615 */616 617/* Authentication states */618#define DVD_LU_SEND_AGID 0619#define DVD_HOST_SEND_CHALLENGE 1620#define DVD_LU_SEND_KEY1 2621#define DVD_LU_SEND_CHALLENGE 3622#define DVD_HOST_SEND_KEY2 4623 624/* Termination states */625#define DVD_AUTH_ESTABLISHED 5626#define DVD_AUTH_FAILURE 6627 628/* Other functions */629#define DVD_LU_SEND_TITLE_KEY 7630#define DVD_LU_SEND_ASF 8631#define DVD_INVALIDATE_AGID 9632#define DVD_LU_SEND_RPC_STATE 10633#define DVD_HOST_SEND_RPC_STATE 11634 635/* State data */636typedef __u8 dvd_key[5]; /* 40-bit value, MSB is first elem. */637typedef __u8 dvd_challenge[10]; /* 80-bit value, MSB is first elem. */638 639struct dvd_lu_send_agid {640 __u8 type;641 unsigned agid : 2;642};643 644struct dvd_host_send_challenge {645 __u8 type;646 unsigned agid : 2;647 648 dvd_challenge chal;649};650 651struct dvd_send_key {652 __u8 type;653 unsigned agid : 2;654 655 dvd_key key;656};657 658struct dvd_lu_send_challenge {659 __u8 type;660 unsigned agid : 2;661 662 dvd_challenge chal;663};664 665#define DVD_CPM_NO_COPYRIGHT 0666#define DVD_CPM_COPYRIGHTED 1667 668#define DVD_CP_SEC_NONE 0669#define DVD_CP_SEC_EXIST 1670 671#define DVD_CGMS_UNRESTRICTED 0672#define DVD_CGMS_SINGLE 2673#define DVD_CGMS_RESTRICTED 3674 675struct dvd_lu_send_title_key {676 __u8 type;677 unsigned agid : 2;678 679 dvd_key title_key;680 int lba;681 unsigned cpm : 1;682 unsigned cp_sec : 1;683 unsigned cgms : 2;684};685 686struct dvd_lu_send_asf {687 __u8 type;688 unsigned agid : 2;689 690 unsigned asf : 1;691};692 693struct dvd_host_send_rpcstate {694 __u8 type;695 __u8 pdrc;696};697 698struct dvd_lu_send_rpcstate {699 __u8 type : 2;700 __u8 vra : 3;701 __u8 ucca : 3;702 __u8 region_mask;703 __u8 rpc_scheme;704};705 706typedef union {707 __u8 type;708 709 struct dvd_lu_send_agid lsa;710 struct dvd_host_send_challenge hsc;711 struct dvd_send_key lsk;712 struct dvd_lu_send_challenge lsc;713 struct dvd_send_key hsk;714 struct dvd_lu_send_title_key lstk;715 struct dvd_lu_send_asf lsasf;716 struct dvd_host_send_rpcstate hrpcs;717 struct dvd_lu_send_rpcstate lrpcs;718} dvd_authinfo;719 720struct request_sense {721#if defined(__BIG_ENDIAN_BITFIELD)722 __u8 valid : 1;723 __u8 error_code : 7;724#elif defined(__LITTLE_ENDIAN_BITFIELD)725 __u8 error_code : 7;726 __u8 valid : 1;727#endif728 __u8 segment_number;729#if defined(__BIG_ENDIAN_BITFIELD)730 __u8 reserved1 : 2;731 __u8 ili : 1;732 __u8 reserved2 : 1;733 __u8 sense_key : 4;734#elif defined(__LITTLE_ENDIAN_BITFIELD)735 __u8 sense_key : 4;736 __u8 reserved2 : 1;737 __u8 ili : 1;738 __u8 reserved1 : 2;739#endif740 __u8 information[4];741 __u8 add_sense_len;742 __u8 command_info[4];743 __u8 asc;744 __u8 ascq;745 __u8 fruc;746 __u8 sks[3];747 __u8 asb[46];748};749 750/*751 * feature profile752 */753#define CDF_RWRT 0x0020 /* "Random Writable" */754#define CDF_HWDM 0x0024 /* "Hardware Defect Management" */755#define CDF_MRW 0x0028756 757/*758 * media status bits759 */760#define CDM_MRW_NOTMRW 0761#define CDM_MRW_BGFORMAT_INACTIVE 1762#define CDM_MRW_BGFORMAT_ACTIVE 2763#define CDM_MRW_BGFORMAT_COMPLETE 3764 765/*766 * mrw address spaces767 */768#define MRW_LBA_DMA 0769#define MRW_LBA_GAA 1770 771/*772 * mrw mode pages (first is deprecated) -- probed at init time and773 * cdi->mrw_mode_page is set774 */775#define MRW_MODE_PC_PRE1 0x2c776#define MRW_MODE_PC 0x03777 778struct mrw_feature_desc {779 __be16 feature_code;780#if defined(__BIG_ENDIAN_BITFIELD)781 __u8 reserved1 : 2;782 __u8 feature_version : 4;783 __u8 persistent : 1;784 __u8 curr : 1;785#elif defined(__LITTLE_ENDIAN_BITFIELD)786 __u8 curr : 1;787 __u8 persistent : 1;788 __u8 feature_version : 4;789 __u8 reserved1 : 2;790#endif791 __u8 add_len;792#if defined(__BIG_ENDIAN_BITFIELD)793 __u8 reserved2 : 7;794 __u8 write : 1;795#elif defined(__LITTLE_ENDIAN_BITFIELD)796 __u8 write : 1;797 __u8 reserved2 : 7;798#endif799 __u8 reserved3;800 __u8 reserved4;801 __u8 reserved5;802};803 804/* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */805struct rwrt_feature_desc {806 __be16 feature_code;807#if defined(__BIG_ENDIAN_BITFIELD)808 __u8 reserved1 : 2;809 __u8 feature_version : 4;810 __u8 persistent : 1;811 __u8 curr : 1;812#elif defined(__LITTLE_ENDIAN_BITFIELD)813 __u8 curr : 1;814 __u8 persistent : 1;815 __u8 feature_version : 4;816 __u8 reserved1 : 2;817#endif818 __u8 add_len;819 __u32 last_lba;820 __u32 block_size;821 __u16 blocking;822#if defined(__BIG_ENDIAN_BITFIELD)823 __u8 reserved2 : 7;824 __u8 page_present : 1;825#elif defined(__LITTLE_ENDIAN_BITFIELD)826 __u8 page_present : 1;827 __u8 reserved2 : 7;828#endif829 __u8 reserved3;830};831 832typedef struct {833 __be16 disc_information_length;834#if defined(__BIG_ENDIAN_BITFIELD)835 __u8 reserved1 : 3;836 __u8 erasable : 1;837 __u8 border_status : 2;838 __u8 disc_status : 2;839#elif defined(__LITTLE_ENDIAN_BITFIELD)840 __u8 disc_status : 2;841 __u8 border_status : 2;842 __u8 erasable : 1;843 __u8 reserved1 : 3;844#else845#error "Please fix <asm/byteorder.h>"846#endif847 __u8 n_first_track;848 __u8 n_sessions_lsb;849 __u8 first_track_lsb;850 __u8 last_track_lsb;851#if defined(__BIG_ENDIAN_BITFIELD)852 __u8 did_v : 1;853 __u8 dbc_v : 1;854 __u8 uru : 1;855 __u8 reserved2 : 2;856 __u8 dbit : 1;857 __u8 mrw_status : 2;858#elif defined(__LITTLE_ENDIAN_BITFIELD)859 __u8 mrw_status : 2;860 __u8 dbit : 1;861 __u8 reserved2 : 2;862 __u8 uru : 1;863 __u8 dbc_v : 1;864 __u8 did_v : 1;865#endif866 __u8 disc_type;867 __u8 n_sessions_msb;868 __u8 first_track_msb;869 __u8 last_track_msb;870 __u32 disc_id;871 __u32 lead_in;872 __u32 lead_out;873 __u8 disc_bar_code[8];874 __u8 reserved3;875 __u8 n_opc;876} disc_information;877 878typedef struct {879 __be16 track_information_length;880 __u8 track_lsb;881 __u8 session_lsb;882 __u8 reserved1;883#if defined(__BIG_ENDIAN_BITFIELD)884 __u8 reserved2 : 2;885 __u8 damage : 1;886 __u8 copy : 1;887 __u8 track_mode : 4;888 __u8 rt : 1;889 __u8 blank : 1;890 __u8 packet : 1;891 __u8 fp : 1;892 __u8 data_mode : 4;893 __u8 reserved3 : 6;894 __u8 lra_v : 1;895 __u8 nwa_v : 1;896#elif defined(__LITTLE_ENDIAN_BITFIELD)897 __u8 track_mode : 4;898 __u8 copy : 1;899 __u8 damage : 1;900 __u8 reserved2 : 2;901 __u8 data_mode : 4;902 __u8 fp : 1;903 __u8 packet : 1;904 __u8 blank : 1;905 __u8 rt : 1;906 __u8 nwa_v : 1;907 __u8 lra_v : 1;908 __u8 reserved3 : 6;909#endif910 __be32 track_start;911 __be32 next_writable;912 __be32 free_blocks;913 __be32 fixed_packet_size;914 __be32 track_size;915 __be32 last_rec_address;916} track_information;917 918struct feature_header {919 __u32 data_len;920 __u8 reserved1;921 __u8 reserved2;922 __u16 curr_profile;923};924 925struct mode_page_header {926 __be16 mode_data_length;927 __u8 medium_type;928 __u8 reserved1;929 __u8 reserved2;930 __u8 reserved3;931 __be16 desc_length;932};933 934/* removable medium feature descriptor */935struct rm_feature_desc {936 __be16 feature_code;937#if defined(__BIG_ENDIAN_BITFIELD)938 __u8 reserved1:2;939 __u8 feature_version:4;940 __u8 persistent:1;941 __u8 curr:1;942#elif defined(__LITTLE_ENDIAN_BITFIELD)943 __u8 curr:1;944 __u8 persistent:1;945 __u8 feature_version:4;946 __u8 reserved1:2;947#endif948 __u8 add_len;949#if defined(__BIG_ENDIAN_BITFIELD)950 __u8 mech_type:3;951 __u8 load:1;952 __u8 eject:1;953 __u8 pvnt_jmpr:1;954 __u8 dbml:1;955 __u8 lock:1;956#elif defined(__LITTLE_ENDIAN_BITFIELD)957 __u8 lock:1;958 __u8 dbml:1;959 __u8 pvnt_jmpr:1;960 __u8 eject:1;961 __u8 load:1;962 __u8 mech_type:3;963#endif964 __u8 reserved2;965 __u8 reserved3;966 __u8 reserved4;967};968 969#endif /* _UAPI_LINUX_CDROM_H */970