Dr Andrew Scott
G7VAV
Senior Lecturer
School of Computing
and Communications
D35 InfoLab21
Lancaster University
Lancaster, LA1 4WA
United Kingdom
School of Computing
and Communications
D35 InfoLab21
Lancaster University
Lancaster, LA1 4WA
United Kingdom
| June 2025 | ||||||
| Mo | Tu | We | Th | Fr | Sa | Su |
| 26 | 27 | 28 | 29 | 30 | 31 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 1 | 2 | 3 | 4 | 5 | 6 |
cdrom.h
001: /* 002: * -- <linux/cdrom.h> 003: * General header file for linux CD-ROM drivers 004: * Copyright (C) 1992 David Giller, rafetmad@oxy.edu 005: * 1994, 1995 Eberhard Mönkeberg, emoenke@gwdg.de 006: * 1996 David van Leeuwen, david@tm.tno.nl 007: * 1997, 1998 Erik Andersen, andersee@debian.org 008: * 1998-2002 Jens Axboe, axboe@suse.de 009: */ 010: 011: #ifndef _LINUX_CDROM_H 012: #define _LINUX_CDROM_H 013: 014: #include <linux/types.h> 015: #include <asm/byteorder.h> 016: 017: /******************************************************* 018: * As of Linux 2.1.x, all Linux CD-ROM application programs will use this 019: * (and only this) include file. It is my hope to provide Linux with 020: * a uniform interface between software accessing CD-ROMs and the various 021: * device drivers that actually talk to the drives. There may still be 022: * 23 different kinds of strange CD-ROM drives, but at least there will 023: * now be one, and only one, Linux CD-ROM interface. 024: * 025: * Additionally, as of Linux 2.1.x, all Linux application programs 026: * should use the O_NONBLOCK option when opening a CD-ROM device 027: * for subsequent ioctl commands. This allows for neat system errors 028: * like "No medium found" or "Wrong medium type" upon attempting to 029: * mount or play an empty slot, mount an audio disc, or play a data disc. 030: * Generally, changing an application program to support O_NONBLOCK 031: * is as easy as the following: 032: * - drive = open("/dev/cdrom", O_RDONLY); 033: * + drive = open("/dev/cdrom", O_RDONLY | O_NONBLOCK); 034: * It is worth the small change. 035: * 036: * Patches for many common CD programs (provided by David A. van Leeuwen) 037: * can be found at: ftp://ftp.gwdg.de/pub/linux/cdrom/drivers/cm206/ 038: * 039: *******************************************************/ 040: 041: /* When a driver supports a certain function, but the cdrom drive we are 042: * using doesn't, we will return the error EDRIVE_CANT_DO_THIS. We will 043: * borrow the "Operation not supported" error from the network folks to 044: * accomplish this. Maybe someday we will get a more targeted error code, 045: * but this will do for now... */ 046: #define EDRIVE_CANT_DO_THIS EOPNOTSUPP 047: 048: /******************************************************* 049: * The CD-ROM IOCTL commands -- these should be supported by 050: * all the various cdrom drivers. For the CD-ROM ioctls, we 051: * will commandeer byte 0x53, or 'S'. 052: *******************************************************/ 053: #define CDROMPAUSE 0x5301 /* Pause Audio Operation */ 054: #define CDROMRESUME 0x5302 /* Resume paused Audio Operation */ 055: #define CDROMPLAYMSF 0x5303 /* Play Audio MSF (struct cdrom_msf) */ 056: #define CDROMPLAYTRKIND 0x5304 /* Play Audio Track/index 057: (struct cdrom_ti) */ 058: #define CDROMREADTOCHDR 0x5305 /* Read TOC header 059: (struct cdrom_tochdr) */ 060: #define CDROMREADTOCENTRY 0x5306 /* Read TOC entry 061: (struct cdrom_tocentry) */ 062: #define CDROMSTOP 0x5307 /* Stop the cdrom drive */ 063: #define CDROMSTART 0x5308 /* Start the cdrom drive */ 064: #define CDROMEJECT 0x5309 /* Ejects the cdrom media */ 065: #define CDROMVOLCTRL 0x530a /* Control output volume 066: (struct cdrom_volctrl) */ 067: #define CDROMSUBCHNL 0x530b /* Read subchannel data 068: (struct cdrom_subchnl) */ 069: #define CDROMREADMODE2 0x530c /* Read CDROM mode 2 data (2336 Bytes) 070: (struct cdrom_read) */ 071: #define CDROMREADMODE1 0x530d /* Read CDROM mode 1 data (2048 Bytes) 072: (struct cdrom_read) */ 073: #define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */ 074: #define CDROMEJECT_SW 0x530f /* enable(1)/disable(0) auto-ejecting */ 075: #define CDROMMULTISESSION 0x5310 /* Obtain the start-of-last-session 076: address of multi session disks 077: (struct cdrom_multisession) */ 078: #define CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code" 079: if available (struct cdrom_mcn) */ 080: #define CDROM_GET_UPC CDROM_GET_MCN /* This one is deprecated, 081: but here anyway for compatibility */ 082: #define CDROMRESET 0x5312 /* hard-reset the drive */ 083: #define CDROMVOLREAD 0x5313 /* Get the drive's volume setting 084: (struct cdrom_volctrl) */ 085: #define CDROMREADRAW 0x5314 /* read data in raw mode (2352 Bytes) 086: (struct cdrom_read) */ 087: /* 088: * These ioctls are used only used in aztcd.c and optcd.c 089: */ 090: #define CDROMREADCOOKED 0x5315 /* read data in cooked mode */ 091: #define CDROMSEEK 0x5316 /* seek msf address */ 092: 093: /* 094: * This ioctl is only used by the scsi-cd driver. 095: It is for playing audio in logical block addressing mode. 096: */ 097: #define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */ 098: 099: /* 100: * These ioctls are only used in optcd.c 101: */ 102: #define CDROMREADALL 0x5318 /* read all 2646 bytes */ 103: 104: /* 105: * These ioctls are (now) only in ide-cd.c for controlling 106: * drive spindown time. They should be implemented in the 107: * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10, 108: * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE... 109: * -Erik 110: */ 111: #define CDROMGETSPINDOWN 0x531d 112: #define CDROMSETSPINDOWN 0x531e 113: 114: /* 115: * These ioctls are implemented through the uniform CD-ROM driver 116: * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM 117: * drivers are eventually ported to the uniform CD-ROM driver interface. 118: */ 119: #define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */ 120: #define CDROM_SET_OPTIONS 0x5320 /* Set behavior options */ 121: #define CDROM_CLEAR_OPTIONS 0x5321 /* Clear behavior options */ 122: #define CDROM_SELECT_SPEED 0x5322 /* Set the CD-ROM speed */ 123: #define CDROM_SELECT_DISC 0x5323 /* Select disc (for juke-boxes) */ 124: #define CDROM_MEDIA_CHANGED 0x5325 /* Check is media changed */ 125: #define CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */ 126: #define CDROM_DISC_STATUS 0x5327 /* Get disc type, etc. */ 127: #define CDROM_CHANGER_NSLOTS 0x5328 /* Get number of slots */ 128: #define CDROM_LOCKDOOR 0x5329 /* lock or unlock door */ 129: #define CDROM_DEBUG 0x5330 /* Turn debug messages on/off */ 130: #define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */ 131: 132: /* Note that scsi/scsi_ioctl.h also uses 0x5382 - 0x5386. 133: * Future CDROM ioctls should be kept below 0x537F 134: */ 135: 136: /* This ioctl is only used by sbpcd at the moment */ 137: #define CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */ 138: /* conflict with SCSI_IOCTL_GET_IDLUN */ 139: 140: /* DVD-ROM Specific ioctls */ 141: #define DVD_READ_STRUCT 0x5390 /* Read structure */ 142: #define DVD_WRITE_STRUCT 0x5391 /* Write structure */ 143: #define DVD_AUTH 0x5392 /* Authentication */ 144: 145: #define CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */ 146: #define CDROM_NEXT_WRITABLE 0x5394 /* get next writable block */ 147: #define CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */ 148: 149: /******************************************************* 150: * CDROM IOCTL structures 151: *******************************************************/ 152: 153: /* Address in MSF format */ 154: struct cdrom_msf0 155: { 156: __u8 minute; 157: __u8 second; 158: __u8 frame; 159: }; 160: 161: /* Address in either MSF or logical format */ 162: union cdrom_addr 163: { 164: struct cdrom_msf0 msf; 165: int lba; 166: }; 167: 168: /* This struct is used by the CDROMPLAYMSF ioctl */ 169: struct cdrom_msf 170: { 171: __u8 cdmsf_min0; /* start minute */ 172: __u8 cdmsf_sec0; /* start second */ 173: __u8 cdmsf_frame0; /* start frame */ 174: __u8 cdmsf_min1; /* end minute */ 175: __u8 cdmsf_sec1; /* end second */ 176: __u8 cdmsf_frame1; /* end frame */ 177: }; 178: 179: /* This struct is used by the CDROMPLAYTRKIND ioctl */ 180: struct cdrom_ti 181: { 182: __u8 cdti_trk0; /* start track */ 183: __u8 cdti_ind0; /* start index */ 184: __u8 cdti_trk1; /* end track */ 185: __u8 cdti_ind1; /* end index */ 186: }; 187: 188: /* This struct is used by the CDROMREADTOCHDR ioctl */ 189: struct cdrom_tochdr 190: { 191: __u8 cdth_trk0; /* start track */ 192: __u8 cdth_trk1; /* end track */ 193: }; 194: 195: /* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */ 196: struct cdrom_volctrl 197: { 198: __u8 channel0; 199: __u8 channel1; 200: __u8 channel2; 201: __u8 channel3; 202: }; 203: 204: /* This struct is used by the CDROMSUBCHNL ioctl */ 205: struct cdrom_subchnl 206: { 207: __u8 cdsc_format; 208: __u8 cdsc_audiostatus; 209: __u8 cdsc_adr: 4; 210: __u8 cdsc_ctrl: 4; 211: __u8 cdsc_trk; 212: __u8 cdsc_ind; 213: union cdrom_addr cdsc_absaddr; 214: union cdrom_addr cdsc_reladdr; 215: }; 216: 217: 218: /* This struct is used by the CDROMREADTOCENTRY ioctl */ 219: struct cdrom_tocentry 220: { 221: __u8 cdte_track; 222: __u8 cdte_adr :4; 223: __u8 cdte_ctrl :4; 224: __u8 cdte_format; 225: union cdrom_addr cdte_addr; 226: __u8 cdte_datamode; 227: }; 228: 229: /* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */ 230: struct cdrom_read 231: { 232: int cdread_lba; 233: char *cdread_bufaddr; 234: int cdread_buflen; 235: }; 236: 237: /* This struct is used by the CDROMREADAUDIO ioctl */ 238: struct cdrom_read_audio 239: { 240: union cdrom_addr addr; /* frame address */ 241: __u8 addr_format; /* CDROM_LBA or CDROM_MSF */ 242: int nframes; /* number of 2352-byte-frames to read at once */ 243: __u8 *buf; /* frame buffer (size: nframes*2352 bytes) */ 244: }; 245: 246: /* This struct is used with the CDROMMULTISESSION ioctl */ 247: struct cdrom_multisession 248: { 249: union cdrom_addr addr; /* frame address: start-of-last-session 250: (not the new "frame 16"!). Only valid 251: if the "xa_flag" is true. */ 252: __u8 xa_flag; /* 1: "is XA disk" */ 253: __u8 addr_format; /* CDROM_LBA or CDROM_MSF */ 254: }; 255: 256: /* This struct is used with the CDROM_GET_MCN ioctl. 257: * Very few audio discs actually have Universal Product Code information, 258: * which should just be the Medium Catalog Number on the box. Also note 259: * that the way the codeis written on CD is _not_ uniform across all discs! 260: */ 261: struct cdrom_mcn 262: { 263: __u8 medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */ 264: }; 265: 266: /* This is used by the CDROMPLAYBLK ioctl */ 267: struct cdrom_blk 268: { 269: unsigned from; 270: unsigned short len; 271: }; 272: 273: #define CDROM_PACKET_SIZE 12 274: 275: #define CGC_DATA_UNKNOWN 0 276: #define CGC_DATA_WRITE 1 277: #define CGC_DATA_READ 2 278: #define CGC_DATA_NONE 3 279: 280: /* for CDROM_PACKET_COMMAND ioctl */ 281: struct cdrom_generic_command 282: { 283: unsigned char cmd[CDROM_PACKET_SIZE]; 284: unsigned char *buffer; 285: unsigned int buflen; 286: int stat; 287: struct request_sense *sense; 288: unsigned char data_direction; 289: int quiet; 290: int timeout; 291: void *reserved[1]; /* unused, actually */ 292: }; 293: 294: /* 295: * A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336, 296: * 2340, or 2352 bytes long. 297: 298: * Sector types of the standard CD-ROM data formats: 299: * 300: * format sector type user data size (bytes) 301: * ----------------------------------------------------------------------------- 302: * 1 (Red Book) CD-DA 2352 (CD_FRAMESIZE_RAW) 303: * 2 (Yellow Book) Mode1 Form1 2048 (CD_FRAMESIZE) 304: * 3 (Yellow Book) Mode1 Form2 2336 (CD_FRAMESIZE_RAW0) 305: * 4 (Green Book) Mode2 Form1 2048 (CD_FRAMESIZE) 306: * 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes) 307: * 308: * 309: * The layout of the standard CD-ROM data formats: 310: * ----------------------------------------------------------------------------- 311: * - audio (red): | audio_sample_bytes | 312: * | 2352 | 313: * 314: * - data (yellow, mode1): | sync - head - data - EDC - zero - ECC | 315: * | 12 - 4 - 2048 - 4 - 8 - 276 | 316: * 317: * - data (yellow, mode2): | sync - head - data | 318: * | 12 - 4 - 2336 | 319: * 320: * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC | 321: * | 12 - 4 - 8 - 2048 - 4 - 276 | 322: * 323: * - XA data (green, mode2 form2): | sync - head - sub - data - Spare | 324: * | 12 - 4 - 8 - 2324 - 4 | 325: * 326: */ 327: 328: /* Some generally useful CD-ROM information -- mostly based on the above */ 329: #define CD_MINS 74 /* max. minutes per CD, not really a limit */ 330: #define CD_SECS 60 /* seconds per minute */ 331: #define CD_FRAMES 75 /* frames per second */ 332: #define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */ 333: #define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */ 334: #define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */ 335: #define CD_NUM_OF_CHUNKS 98 /* chunks per frame */ 336: #define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */ 337: #define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */ 338: #define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */ 339: #define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */ 340: #define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */ 341: #define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */ 342: #define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ 343: #define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */ 344: #define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */ 345: /* most drives don't deliver everything: */ 346: #define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/ 347: #define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/ 348: 349: #define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */ 350: #define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */ 351: #define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */ 352: 353: /* CD-ROM address types (cdrom_tocentry.cdte_format) */ 354: #define CDROM_LBA 0x01 /* "logical block": first frame is #0 */ 355: #define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */ 356: 357: /* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */ 358: #define CDROM_DATA_TRACK 0x04 359: 360: /* The leadout track is always 0xAA, regardless of # of tracks on disc */ 361: #define CDROM_LEADOUT 0xAA 362: 363: /* audio states (from SCSI-2, but seen with other drives, too) */ 364: #define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */ 365: #define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */ 366: #define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */ 367: #define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */ 368: #define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */ 369: #define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */ 370: 371: /* capability flags used with the uniform CD-ROM driver */ 372: #define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */ 373: #define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */ 374: #define CDC_LOCK 0x4 /* disable manual eject */ 375: #define CDC_SELECT_SPEED 0x8 /* programmable speed */ 376: #define CDC_SELECT_DISC 0x10 /* select disc from juke-box */ 377: #define CDC_MULTI_SESSION 0x20 /* read sessions>1 */ 378: #define CDC_MCN 0x40 /* Medium Catalog Number */ 379: #define CDC_MEDIA_CHANGED 0x80 /* media changed */ 380: #define CDC_PLAY_AUDIO 0x100 /* audio functions */ 381: #define CDC_RESET 0x200 /* hard reset device */ 382: #define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */ 383: #define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */ 384: #define CDC_CD_R 0x2000 /* drive is a CD-R */ 385: #define CDC_CD_RW 0x4000 /* drive is a CD-RW */ 386: #define CDC_DVD 0x8000 /* drive is a DVD */ 387: #define CDC_DVD_R 0x10000 /* drive can write DVD-R */ 388: #define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */ 389: #define CDC_MO_DRIVE 0x40000 /* drive is an MO device */ 390: #define CDC_MRW 0x80000 /* drive can read MRW */ 391: #define CDC_MRW_W 0x100000 /* drive can write MRW */ 392: #define CDC_RAM 0x200000 /* ok to open for WRITE */ 393: 394: /* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */ 395: #define CDS_NO_INFO 0 /* if not implemented */ 396: #define CDS_NO_DISC 1 397: #define CDS_TRAY_OPEN 2 398: #define CDS_DRIVE_NOT_READY 3 399: #define CDS_DISC_OK 4 400: 401: /* return values for the CDROM_DISC_STATUS ioctl */ 402: /* can also return CDS_NO_[INFO|DISC], from above */ 403: #define CDS_AUDIO 100 404: #define CDS_DATA_1 101 405: #define CDS_DATA_2 102 406: #define CDS_XA_2_1 103 407: #define CDS_XA_2_2 104 408: #define CDS_MIXED 105 409: 410: /* User-configurable behavior options for the uniform CD-ROM driver */ 411: #define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */ 412: #define CDO_AUTO_EJECT 0x2 /* open tray on last release() */ 413: #define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */ 414: #define CDO_LOCK 0x8 /* lock tray on open files */ 415: #define CDO_CHECK_TYPE 0x10 /* check type on open for data */ 416: 417: /* Special codes used when specifying changer slots. */ 418: #define CDSL_NONE (INT_MAX-1) 419: #define CDSL_CURRENT INT_MAX 420: 421: /* For partition based multisession access. IDE can handle 64 partitions 422: * per drive - SCSI CD-ROM's use minors to differentiate between the 423: * various drives, so we can't do multisessions the same way there. 424: * Use the -o session=x option to mount on them. 425: */ 426: #define CD_PART_MAX 64 427: #define CD_PART_MASK (CD_PART_MAX - 1) 428: 429: /********************************************************************* 430: * Generic Packet commands, MMC commands, and such 431: *********************************************************************/ 432: 433: /* The generic packet command opcodes for CD/DVD Logical Units, 434: * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ 435: #define GPCMD_BLANK 0xa1 436: #define GPCMD_CLOSE_TRACK 0x5b 437: #define GPCMD_FLUSH_CACHE 0x35 438: #define GPCMD_FORMAT_UNIT 0x04 439: #define GPCMD_GET_CONFIGURATION 0x46 440: #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a 441: #define GPCMD_GET_PERFORMANCE 0xac 442: #define GPCMD_INQUIRY 0x12 443: #define GPCMD_LOAD_UNLOAD 0xa6 444: #define GPCMD_MECHANISM_STATUS 0xbd 445: #define GPCMD_MODE_SELECT_10 0x55 446: #define GPCMD_MODE_SENSE_10 0x5a 447: #define GPCMD_PAUSE_RESUME 0x4b 448: #define GPCMD_PLAY_AUDIO_10 0x45 449: #define GPCMD_PLAY_AUDIO_MSF 0x47 450: #define GPCMD_PLAY_AUDIO_TI 0x48 451: #define GPCMD_PLAY_CD 0xbc 452: #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 453: #define GPCMD_READ_10 0x28 454: #define GPCMD_READ_12 0xa8 455: #define GPCMD_READ_BUFFER 0x3c 456: #define GPCMD_READ_BUFFER_CAPACITY 0x5c 457: #define GPCMD_READ_CDVD_CAPACITY 0x25 458: #define GPCMD_READ_CD 0xbe 459: #define GPCMD_READ_CD_MSF 0xb9 460: #define GPCMD_READ_DISC_INFO 0x51 461: #define GPCMD_READ_DVD_STRUCTURE 0xad 462: #define GPCMD_READ_FORMAT_CAPACITIES 0x23 463: #define GPCMD_READ_HEADER 0x44 464: #define GPCMD_READ_TRACK_RZONE_INFO 0x52 465: #define GPCMD_READ_SUBCHANNEL 0x42 466: #define GPCMD_READ_TOC_PMA_ATIP 0x43 467: #define GPCMD_REPAIR_RZONE_TRACK 0x58 468: #define GPCMD_REPORT_KEY 0xa4 469: #define GPCMD_REQUEST_SENSE 0x03 470: #define GPCMD_RESERVE_RZONE_TRACK 0x53 471: #define GPCMD_SEND_CUE_SHEET 0x5d 472: #define GPCMD_SCAN 0xba 473: #define GPCMD_SEEK 0x2b 474: #define GPCMD_SEND_DVD_STRUCTURE 0xbf 475: #define GPCMD_SEND_EVENT 0xa2 476: #define GPCMD_SEND_KEY 0xa3 477: #define GPCMD_SEND_OPC 0x54 478: #define GPCMD_SET_READ_AHEAD 0xa7 479: #define GPCMD_SET_STREAMING 0xb6 480: #define GPCMD_START_STOP_UNIT 0x1b 481: #define GPCMD_STOP_PLAY_SCAN 0x4e 482: #define GPCMD_TEST_UNIT_READY 0x00 483: #define GPCMD_VERIFY_10 0x2f 484: #define GPCMD_WRITE_10 0x2a 485: #define GPCMD_WRITE_12 0xaa 486: #define GPCMD_WRITE_AND_VERIFY_10 0x2e 487: #define GPCMD_WRITE_BUFFER 0x3b 488: /* This is listed as optional in ATAPI 2.6, but is (curiously) 489: * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji 490: * Table 377 as an MMC command for SCSi devices though... Most ATAPI 491: * drives support it. */ 492: #define GPCMD_SET_SPEED 0xbb 493: /* This seems to be a SCSI specific CD-ROM opcode 494: * to play data at track/index */ 495: #define GPCMD_PLAYAUDIO_TI 0x48 496: /* 497: * From MS Media Status Notification Support Specification. For 498: * older drives only. 499: */ 500: #define GPCMD_GET_MEDIA_STATUS 0xda 501: 502: /* Mode page codes for mode sense/set */ 503: #define GPMODE_VENDOR_PAGE 0x00 504: #define GPMODE_R_W_ERROR_PAGE 0x01 505: #define GPMODE_WRITE_PARMS_PAGE 0x05 506: #define GPMODE_WCACHING_PAGE 0x08 507: #define GPMODE_AUDIO_CTL_PAGE 0x0e 508: #define GPMODE_POWER_PAGE 0x1a 509: #define GPMODE_FAULT_FAIL_PAGE 0x1c 510: #define GPMODE_TO_PROTECT_PAGE 0x1d 511: #define GPMODE_CAPABILITIES_PAGE 0x2a 512: #define GPMODE_ALL_PAGES 0x3f 513: /* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor 514: * of MODE_SENSE_POWER_PAGE */ 515: #define GPMODE_CDROM_PAGE 0x0d 516: 517: 518: 519: /* DVD struct types */ 520: #define DVD_STRUCT_PHYSICAL 0x00 521: #define DVD_STRUCT_COPYRIGHT 0x01 522: #define DVD_STRUCT_DISCKEY 0x02 523: #define DVD_STRUCT_BCA 0x03 524: #define DVD_STRUCT_MANUFACT 0x04 525: 526: struct dvd_layer { 527: __u8 book_version : 4; 528: __u8 book_type : 4; 529: __u8 min_rate : 4; 530: __u8 disc_size : 4; 531: __u8 layer_type : 4; 532: __u8 track_path : 1; 533: __u8 nlayers : 2; 534: __u8 track_density : 4; 535: __u8 linear_density : 4; 536: __u8 bca : 1; 537: __u32 start_sector; 538: __u32 end_sector; 539: __u32 end_sector_l0; 540: }; 541: 542: #define DVD_LAYERS 4 543: 544: struct dvd_physical { 545: __u8 type; 546: __u8 layer_num; 547: struct dvd_layer layer[DVD_LAYERS]; 548: }; 549: 550: struct dvd_copyright { 551: __u8 type; 552: 553: __u8 layer_num; 554: __u8 cpst; 555: __u8 rmi; 556: }; 557: 558: struct dvd_disckey { 559: __u8 type; 560: 561: unsigned agid : 2; 562: __u8 value[2048]; 563: }; 564: 565: struct dvd_bca { 566: __u8 type; 567: 568: int len; 569: __u8 value[188]; 570: }; 571: 572: struct dvd_manufact { 573: __u8 type; 574: 575: __u8 layer_num; 576: int len; 577: __u8 value[2048]; 578: }; 579: 580: typedef union { 581: __u8 type; 582: 583: struct dvd_physical physical; 584: struct dvd_copyright copyright; 585: struct dvd_disckey disckey; 586: struct dvd_bca bca; 587: struct dvd_manufact manufact; 588: } dvd_struct; 589: 590: /* 591: * DVD authentication ioctl 592: */ 593: 594: /* Authentication states */ 595: #define DVD_LU_SEND_AGID 0 596: #define DVD_HOST_SEND_CHALLENGE 1 597: #define DVD_LU_SEND_KEY1 2 598: #define DVD_LU_SEND_CHALLENGE 3 599: #define DVD_HOST_SEND_KEY2 4 600: 601: /* Termination states */ 602: #define DVD_AUTH_ESTABLISHED 5 603: #define DVD_AUTH_FAILURE 6 604: 605: /* Other functions */ 606: #define DVD_LU_SEND_TITLE_KEY 7 607: #define DVD_LU_SEND_ASF 8 608: #define DVD_INVALIDATE_AGID 9 609: #define DVD_LU_SEND_RPC_STATE 10 610: #define DVD_HOST_SEND_RPC_STATE 11 611: 612: /* State data */ 613: typedef __u8 dvd_key[5]; /* 40-bit value, MSB is first elem. */ 614: typedef __u8 dvd_challenge[10]; /* 80-bit value, MSB is first elem. */ 615: 616: struct dvd_lu_send_agid { 617: __u8 type; 618: unsigned agid : 2; 619: }; 620: 621: struct dvd_host_send_challenge { 622: __u8 type; 623: unsigned agid : 2; 624: 625: dvd_challenge chal; 626: }; 627: 628: struct dvd_send_key { 629: __u8 type; 630: unsigned agid : 2; 631: 632: dvd_key key; 633: }; 634: 635: struct dvd_lu_send_challenge { 636: __u8 type; 637: unsigned agid : 2; 638: 639: dvd_challenge chal; 640: }; 641: 642: #define DVD_CPM_NO_COPYRIGHT 0 643: #define DVD_CPM_COPYRIGHTED 1 644: 645: #define DVD_CP_SEC_NONE 0 646: #define DVD_CP_SEC_EXIST 1 647: 648: #define DVD_CGMS_UNRESTRICTED 0 649: #define DVD_CGMS_SINGLE 2 650: #define DVD_CGMS_RESTRICTED 3 651: 652: struct dvd_lu_send_title_key { 653: __u8 type; 654: unsigned agid : 2; 655: 656: dvd_key title_key; 657: int lba; 658: unsigned cpm : 1; 659: unsigned cp_sec : 1; 660: unsigned cgms : 2; 661: }; 662: 663: struct dvd_lu_send_asf { 664: __u8 type; 665: unsigned agid : 2; 666: 667: unsigned asf : 1; 668: }; 669: 670: struct dvd_host_send_rpcstate { 671: __u8 type; 672: __u8 pdrc; 673: }; 674: 675: struct dvd_lu_send_rpcstate { 676: __u8 type : 2; 677: __u8 vra : 3; 678: __u8 ucca : 3; 679: __u8 region_mask; 680: __u8 rpc_scheme; 681: }; 682: 683: typedef union { 684: __u8 type; 685: 686: struct dvd_lu_send_agid lsa; 687: struct dvd_host_send_challenge hsc; 688: struct dvd_send_key lsk; 689: struct dvd_lu_send_challenge lsc; 690: struct dvd_send_key hsk; 691: struct dvd_lu_send_title_key lstk; 692: struct dvd_lu_send_asf lsasf; 693: struct dvd_host_send_rpcstate hrpcs; 694: struct dvd_lu_send_rpcstate lrpcs; 695: } dvd_authinfo; 696: 697: struct request_sense { 698: #if defined(__BIG_ENDIAN_BITFIELD) 699: __u8 valid : 1; 700: __u8 error_code : 7; 701: #elif defined(__LITTLE_ENDIAN_BITFIELD) 702: __u8 error_code : 7; 703: __u8 valid : 1; 704: #endif 705: __u8 segment_number; 706: #if defined(__BIG_ENDIAN_BITFIELD) 707: __u8 reserved1 : 2; 708: __u8 ili : 1; 709: __u8 reserved2 : 1; 710: __u8 sense_key : 4; 711: #elif defined(__LITTLE_ENDIAN_BITFIELD) 712: __u8 sense_key : 4; 713: __u8 reserved2 : 1; 714: __u8 ili : 1; 715: __u8 reserved1 : 2; 716: #endif 717: __u8 information[4]; 718: __u8 add_sense_len; 719: __u8 command_info[4]; 720: __u8 asc; 721: __u8 ascq; 722: __u8 fruc; 723: __u8 sks[3]; 724: __u8 asb[46]; 725: }; 726: 727: /* 728: * feature profile 729: */ 730: #define CDF_RWRT 0x0020 /* "Random Writable" */ 731: #define CDF_HWDM 0x0024 /* "Hardware Defect Management" */ 732: #define CDF_MRW 0x0028 733: 734: /* 735: * media status bits 736: */ 737: #define CDM_MRW_NOTMRW 0 738: #define CDM_MRW_BGFORMAT_INACTIVE 1 739: #define CDM_MRW_BGFORMAT_ACTIVE 2 740: #define CDM_MRW_BGFORMAT_COMPLETE 3 741: 742: /* 743: * mrw address spaces 744: */ 745: #define MRW_LBA_DMA 0 746: #define MRW_LBA_GAA 1 747: 748: /* 749: * mrw mode pages (first is deprecated) -- probed at init time and 750: * cdi->mrw_mode_page is set 751: */ 752: #define MRW_MODE_PC_PRE1 0x2c 753: #define MRW_MODE_PC 0x03 754: 755: struct mrw_feature_desc { 756: __be16 feature_code; 757: #if defined(__BIG_ENDIAN_BITFIELD) 758: __u8 reserved1 : 2; 759: __u8 feature_version : 4; 760: __u8 persistent : 1; 761: __u8 curr : 1; 762: #elif defined(__LITTLE_ENDIAN_BITFIELD) 763: __u8 curr : 1; 764: __u8 persistent : 1; 765: __u8 feature_version : 4; 766: __u8 reserved1 : 2; 767: #endif 768: __u8 add_len; 769: #if defined(__BIG_ENDIAN_BITFIELD) 770: __u8 reserved2 : 7; 771: __u8 write : 1; 772: #elif defined(__LITTLE_ENDIAN_BITFIELD) 773: __u8 write : 1; 774: __u8 reserved2 : 7; 775: #endif 776: __u8 reserved3; 777: __u8 reserved4; 778: __u8 reserved5; 779: }; 780: 781: /* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */ 782: struct rwrt_feature_desc { 783: __be16 feature_code; 784: #if defined(__BIG_ENDIAN_BITFIELD) 785: __u8 reserved1 : 2; 786: __u8 feature_version : 4; 787: __u8 persistent : 1; 788: __u8 curr : 1; 789: #elif defined(__LITTLE_ENDIAN_BITFIELD) 790: __u8 curr : 1; 791: __u8 persistent : 1; 792: __u8 feature_version : 4; 793: __u8 reserved1 : 2; 794: #endif 795: __u8 add_len; 796: __u32 last_lba; 797: __u32 block_size; 798: __u16 blocking; 799: #if defined(__BIG_ENDIAN_BITFIELD) 800: __u8 reserved2 : 7; 801: __u8 page_present : 1; 802: #elif defined(__LITTLE_ENDIAN_BITFIELD) 803: __u8 page_present : 1; 804: __u8 reserved2 : 7; 805: #endif 806: __u8 reserved3; 807: }; 808: 809: typedef struct { 810: __be16 disc_information_length; 811: #if defined(__BIG_ENDIAN_BITFIELD) 812: __u8 reserved1 : 3; 813: __u8 erasable : 1; 814: __u8 border_status : 2; 815: __u8 disc_status : 2; 816: #elif defined(__LITTLE_ENDIAN_BITFIELD) 817: __u8 disc_status : 2; 818: __u8 border_status : 2; 819: __u8 erasable : 1; 820: __u8 reserved1 : 3; 821: #else 822: #error "Please fix <asm/byteorder.h>" 823: #endif 824: __u8 n_first_track; 825: __u8 n_sessions_lsb; 826: __u8 first_track_lsb; 827: __u8 last_track_lsb; 828: #if defined(__BIG_ENDIAN_BITFIELD) 829: __u8 did_v : 1; 830: __u8 dbc_v : 1; 831: __u8 uru : 1; 832: __u8 reserved2 : 2; 833: __u8 dbit : 1; 834: __u8 mrw_status : 2; 835: #elif defined(__LITTLE_ENDIAN_BITFIELD) 836: __u8 mrw_status : 2; 837: __u8 dbit : 1; 838: __u8 reserved2 : 2; 839: __u8 uru : 1; 840: __u8 dbc_v : 1; 841: __u8 did_v : 1; 842: #endif 843: __u8 disc_type; 844: __u8 n_sessions_msb; 845: __u8 first_track_msb; 846: __u8 last_track_msb; 847: __u32 disc_id; 848: __u32 lead_in; 849: __u32 lead_out; 850: __u8 disc_bar_code[8]; 851: __u8 reserved3; 852: __u8 n_opc; 853: } disc_information; 854: 855: typedef struct { 856: __be16 track_information_length; 857: __u8 track_lsb; 858: __u8 session_lsb; 859: __u8 reserved1; 860: #if defined(__BIG_ENDIAN_BITFIELD) 861: __u8 reserved2 : 2; 862: __u8 damage : 1; 863: __u8 copy : 1; 864: __u8 track_mode : 4; 865: __u8 rt : 1; 866: __u8 blank : 1; 867: __u8 packet : 1; 868: __u8 fp : 1; 869: __u8 data_mode : 4; 870: __u8 reserved3 : 6; 871: __u8 lra_v : 1; 872: __u8 nwa_v : 1; 873: #elif defined(__LITTLE_ENDIAN_BITFIELD) 874: __u8 track_mode : 4; 875: __u8 copy : 1; 876: __u8 damage : 1; 877: __u8 reserved2 : 2; 878: __u8 data_mode : 4; 879: __u8 fp : 1; 880: __u8 packet : 1; 881: __u8 blank : 1; 882: __u8 rt : 1; 883: __u8 nwa_v : 1; 884: __u8 lra_v : 1; 885: __u8 reserved3 : 6; 886: #endif 887: __be32 track_start; 888: __be32 next_writable; 889: __be32 free_blocks; 890: __be32 fixed_packet_size; 891: __be32 track_size; 892: __be32 last_rec_address; 893: } track_information; 894: 895: struct feature_header { 896: __u32 data_len; 897: __u8 reserved1; 898: __u8 reserved2; 899: __u16 curr_profile; 900: }; 901: 902: struct mode_page_header { 903: __be16 mode_data_length; 904: __u8 medium_type; 905: __u8 reserved1; 906: __u8 reserved2; 907: __u8 reserved3; 908: __be16 desc_length; 909: }; 910: 911: 912: #endif /* _LINUX_CDROM_H */ 913:
for client
(none)
© Andrew Scott 2006 -
2025,
All Rights Reserved
All Rights Reserved
Andrew Scott