README
¶
CD-ROM
This is a Go package that provides:
- Functionality for ejecting & closing the CD tray.
- The constants from
linux/cdrom.h.
See cupholder for a utility that uses this package.
General info
- Version: 1.3.0
- License: GPL2
- Author: Alexander F. Rødseth <xyproto@archlinux.org>
Documentation
¶
Index ¶
Constants ¶
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const ( EDRIVE_CANT_DO_THIS = 95 EOPNOTSUPP = 95 /******************************************************* * The CD-ROM IOCTL commands -- these should be supported by * all the various cdrom drivers. For the CD-ROM ioctls, we * will commandeer byte 0x53, or 'S'. *******************************************************/ CDROMPAUSE = 0x5301 /* Pause Audio Operation */ CDROMRESUME = 0x5302 /* Resume paused Audio Operation */ CDROMPLAYMSF = 0x5303 /* Play Audio MSF (struct cdrom_msf) */ CDROMPLAYTRKIND = 0x5304 /* Play Audio Track/index (struct cdrom_ti) */ CDROMREADTOCHDR = 0x5305 /* Read TOC header (struct cdrom_tochdr) */ CDROMREADTOCENTRY = 0x5306 /* Read TOC entry (struct cdrom_tocentry) */ CDROMSTOP = 0x5307 /* Stop the cdrom drive */ CDROMSTART = 0x5308 /* Start the cdrom drive */ CDROMEJECT = 0x5309 /* Ejects the cdrom media */ CDROMVOLCTRL = 0x530a /* Control output volume (struct cdrom_volctrl) */ CDROMSUBCHNL = 0x530b /* Read subchannel data (struct cdrom_subchnl) */ CDROMREADMODE2 = 0x530c /* Read CDROM mode 2 data (2336 Bytes) (struct cdrom_read) */ CDROMREADMODE1 = 0x530d /* Read CDROM mode 1 data (2048 Bytes) (struct cdrom_read) */ CDROMREADAUDIO = 0x530e /* (struct cdrom_read_audio) */ CDROMEJECT_SW = 0x530f /* enable(1)/disable(0) auto-ejecting */ CDROMMULTISESSION = 0x5310 /* Obtain the start-of-last-session address of multi session disks (struct cdrom_multisession) */ CDROM_GET_MCN = 0x5311 /* Obtain the "Universal Product Code" if available (struct cdrom_mcn) */ CDROM_GET_UPC = CDROM_GET_MCN /* This one is deprecated, but here anyway for compatibility */ CDROMRESET = 0x5312 /* hard-reset the drive */ CDROMVOLREAD = 0x5313 /* Get the drive's volume setting (struct cdrom_volctrl) */ CDROMREADRAW = 0x5314 /* read data in raw mode (2352 Bytes) (struct cdrom_read) */ /* * These ioctls are used only used in aztcd.c and optcd.c */ CDROMREADCOOKED = 0x5315 /* read data in cooked mode */ CDROMSEEK = 0x5316 /* seek msf address */ /* * This ioctl is only used by the scsi-cd driver. It is for playing audio in logical block addressing mode. */ CDROMPLAYBLK = 0x5317 /* (struct cdrom_blk) */ /* * These ioctls are only used in optcd.c */ CDROMREADALL = 0x5318 /* read all 2646 bytes */ /* * These ioctls are (now) only in ide-cd.c for controlling * drive spindown time. They should be implemented in the * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10, * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE... * -Erik */ CDROMGETSPINDOWN = 0x531d CDROMSETSPINDOWN = 0x531e /* * These ioctls are implemented through the uniform CD-ROM driver * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM * drivers are eventually ported to the uniform CD-ROM driver interface. */ CDROMCLOSETRAY = 0x5319 /* pendant of CDROMEJECT */ CDROM_SET_OPTIONS = 0x5320 /* Set behavior options */ CDROM_CLEAR_OPTIONS = 0x5321 /* Clear behavior options */ CDROM_SELECT_SPEED = 0x5322 /* Set the CD-ROM speed */ CDROM_SELECT_DISC = 0x5323 /* Select disc (for juke-boxes) */ CDROM_MEDIA_CHANGED = 0x5325 /* Check is media changed */ CDROM_DRIVE_STATUS = 0x5326 /* Get tray position, etc. */ CDROM_DISC_STATUS = 0x5327 /* Get disc type, etc. */ CDROM_CHANGER_NSLOTS = 0x5328 /* Get number of slots */ CDROM_LOCKDOOR = 0x5329 /* lock or unlock door */ CDROM_DEBUG = 0x5330 /* Turn debug messages on/off */ CDROM_GET_CAPABILITY = 0x5331 /* get capabilities */ /* This ioctl is only used by sbpcd at the moment */ CDROMAUDIOBUFSIZ = 0x5382 /* set the audio buffer size */ /* DVD-ROM Specific ioctls */ DVD_READ_STRUCT = 0x5390 /* Read structure */ DVD_WRITE_STRUCT = 0x5391 /* Write structure */ DVD_AUTH = 0x5392 /* Authentication */ CDROM_SEND_PACKET = 0x5393 /* send a packet to the drive */ CDROM_NEXT_WRITABLE = 0x5394 /* get next writable block */ CDROM_LAST_WRITTEN = 0x5395 /* get last block written on disc */ CDROM_PACKET_SIZE = 12 CGC_DATA_UNKNOWN = 0 CGC_DATA_WRITE = 1 CGC_DATA_READ = 2 CGC_DATA_NONE = 3 /* Some generally useful CD-ROM information -- mostly based on the above */ CD_MINS = 74 /* max. minutes per CD, not really a limit */ CD_SECS = 60 /* seconds per minute */ CD_FRAMES = 75 /* frames per second */ CD_SYNC_SIZE = 12 /* 12 sync bytes per raw data frame */ CD_MSF_OFFSET = 150 /* MSF numbering offset of first frame */ CD_CHUNK_SIZE = 24 /* lowest-level "data bytes piece" */ CD_NUM_OF_CHUNKS = 98 /* chunks per frame */ CD_FRAMESIZE_SUB = 96 /* subchannel data "frame" size */ CD_HEAD_SIZE = 4 /* header (address) bytes per raw data frame */ CD_SUBHEAD_SIZE = 8 /* subheader bytes per raw XA data frame */ CD_EDC_SIZE = 4 /* bytes EDC per most raw data frame types */ CD_ZERO_SIZE = 8 /* bytes zero per yellow book mode 1 frame */ CD_ECC_SIZE = 276 /* bytes ECC per most raw data frame types */ CD_FRAMESIZE = 2048 /* bytes per frame, "cooked" mode */ CD_FRAMESIZE_RAW = 2352 /* bytes per frame, "raw" mode */ CD_FRAMESIZE_RAWER = 2646 /* The maximum possible returned bytes */ /* most drives don't deliver everything: */ CD_FRAMESIZE_RAW1 = (CD_FRAMESIZE_RAW - CD_SYNC_SIZE) /*2340*/ CD_FRAMESIZE_RAW0 = (CD_FRAMESIZE_RAW - CD_SYNC_SIZE - CD_HEAD_SIZE) /*2336*/ CD_XA_HEAD = (CD_HEAD_SIZE + CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */ CD_XA_TAIL = (CD_EDC_SIZE + CD_ECC_SIZE) /* "after data" part of raw XA frame */ CD_XA_SYNC_HEAD = (CD_SYNC_SIZE + CD_XA_HEAD) /* sync bytes + header of XA frame */ /* CD-ROM address types (cdrom_tocentry.cdte_format) */ CDROM_LBA = 0x01 /* "logical block": first frame is #0 */ CDROM_MSF = 0x02 /* "minute-second-frame": binary, not bcd here! */ /* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */ CDROM_DATA_TRACK = 0x04 /* The leadout track is always 0xAA, regardless of # of tracks on disc */ CDROM_LEADOUT = 0xAA /* audio states (from SCSI-2, but seen with other drives, too) */ CDROM_AUDIO_INVALID = 0x00 /* audio status not supported */ CDROM_AUDIO_PLAY = 0x11 /* audio play operation in progress */ CDROM_AUDIO_PAUSED = 0x12 /* audio play operation paused */ CDROM_AUDIO_COMPLETED = 0x13 /* audio play successfully completed */ CDROM_AUDIO_ERROR = 0x14 /* audio play stopped due to error */ CDROM_AUDIO_NO_STATUS = 0x15 /* no current audio status to return */ /* capability flags used with the uniform CD-ROM driver */ CDC_CLOSE_TRAY = 0x1 /* caddy systems _can't_ close */ CDC_OPEN_TRAY = 0x2 /* but _can_ eject. */ CDC_LOCK = 0x4 /* disable manual eject */ CDC_SELECT_SPEED = 0x8 /* programmable speed */ CDC_SELECT_DISC = 0x10 /* select disc from juke-box */ CDC_MULTI_SESSION = 0x20 /* read sessions>1 */ CDC_MCN = 0x40 /* Medium Catalog Number */ CDC_MEDIA_CHANGED = 0x80 /* media changed */ CDC_PLAY_AUDIO = 0x100 /* audio functions */ CDC_RESET = 0x200 /* hard reset device */ CDC_DRIVE_STATUS = 0x800 /* driver implements drive status */ CDC_GENERIC_PACKET = 0x1000 /* driver implements generic packets */ CDC_CD_R = 0x2000 /* drive is a CD-R */ CDC_CD_RW = 0x4000 /* drive is a CD-RW */ CDC_DVD = 0x8000 /* drive is a DVD */ CDC_DVD_R = 0x10000 /* drive can write DVD-R */ CDC_DVD_RAM = 0x20000 /* drive can write DVD-RAM */ CDC_MO_DRIVE = 0x40000 /* drive is an MO device */ CDC_MRW = 0x80000 /* drive can read MRW */ CDC_MRW_W = 0x100000 /* drive can write MRW */ CDC_RAM = 0x200000 /* ok to open for WRITE */ /* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */ CDS_NO_INFO = 0 /* if not implemented */ CDS_NO_DISC = 1 CDS_TRAY_OPEN = 2 CDS_DRIVE_NOT_READY = 3 CDS_DISC_OK = 4 /* return values for the CDROM_DISC_STATUS ioctl */ /* can also return CDS_NO_[INFO|DISC], from above */ CDS_AUDIO = 100 CDS_DATA_1 = 101 CDS_DATA_2 = 102 CDS_XA_2_1 = 103 CDS_XA_2_2 = 104 CDS_MIXED = 105 /* User-configurable behavior options for the uniform CD-ROM driver */ CDO_AUTO_CLOSE = 0x1 /* close tray on first open() */ CDO_AUTO_EJECT = 0x2 /* open tray on last release() */ CDO_USE_FFLAGS = 0x4 /* use O_NONBLOCK information on open */ CDO_LOCK = 0x8 /* lock tray on open files */ CDO_CHECK_TYPE = 0x10 /* check type on open for data */ /* Special codes used when specifying changer slots. */ CDSL_NONE = math.MaxInt32 - 1 CDSL_CURRENT = math.MaxInt32 /* For partition based multisession access. IDE can handle 64 partitions * per drive - SCSI CD-ROM's use minors to differentiate between the * various drives, so we can't do multisessions the same way there. * Use the -o session=x option to mount on them. */ CD_PART_MAX = 64 CD_PART_MASK = (CD_PART_MAX - 1) /* The generic packet command opcodes for CD/DVD Logical Units, * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ GPCMD_BLANK = 0xa1 GPCMD_CLOSE_TRACK = 0x5b GPCMD_FLUSH_CACHE = 0x35 GPCMD_FORMAT_UNIT = 0x04 GPCMD_GET_CONFIGURATION = 0x46 GPCMD_GET_EVENT_STATUS_NOTIFICATION = 0x4a GPCMD_GET_PERFORMANCE = 0xac GPCMD_INQUIRY = 0x12 GPCMD_LOAD_UNLOAD = 0xa6 GPCMD_MECHANISM_STATUS = 0xbd GPCMD_MODE_SELECT_10 = 0x55 GPCMD_MODE_SENSE_10 = 0x5a GPCMD_PAUSE_RESUME = 0x4b GPCMD_PLAY_AUDIO_10 = 0x45 GPCMD_PLAY_AUDIO_MSF = 0x47 GPCMD_PLAY_AUDIO_TI = 0x48 GPCMD_PLAY_CD = 0xbc GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL = 0x1e GPCMD_READ_10 = 0x28 GPCMD_READ_12 = 0xa8 GPCMD_READ_BUFFER = 0x3c GPCMD_READ_BUFFER_CAPACITY = 0x5c GPCMD_READ_CDVD_CAPACITY = 0x25 GPCMD_READ_CD = 0xbe GPCMD_READ_CD_MSF = 0xb9 GPCMD_READ_DISC_INFO = 0x51 GPCMD_READ_DVD_STRUCTURE = 0xad GPCMD_READ_FORMAT_CAPACITIES = 0x23 GPCMD_READ_HEADER = 0x44 GPCMD_READ_TRACK_RZONE_INFO = 0x52 GPCMD_READ_SUBCHANNEL = 0x42 GPCMD_READ_TOC_PMA_ATIP = 0x43 GPCMD_REPAIR_RZONE_TRACK = 0x58 GPCMD_REPORT_KEY = 0xa4 GPCMD_REQUEST_SENSE = 0x03 GPCMD_RESERVE_RZONE_TRACK = 0x53 GPCMD_SEND_CUE_SHEET = 0x5d GPCMD_SCAN = 0xba GPCMD_SEEK = 0x2b GPCMD_SEND_DVD_STRUCTURE = 0xbf GPCMD_SEND_EVENT = 0xa2 GPCMD_SEND_KEY = 0xa3 GPCMD_SEND_OPC = 0x54 GPCMD_SET_READ_AHEAD = 0xa7 GPCMD_SET_STREAMING = 0xb6 GPCMD_START_STOP_UNIT = 0x1b GPCMD_STOP_PLAY_SCAN = 0x4e GPCMD_TEST_UNIT_READY = 0x00 GPCMD_VERIFY_10 = 0x2f GPCMD_WRITE_10 = 0x2a GPCMD_WRITE_12 = 0xaa GPCMD_WRITE_AND_VERIFY_10 = 0x2e GPCMD_WRITE_BUFFER = 0x3b /* This is listed as optional in ATAPI 2.6, but is (curiously) * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji * Table 377 as an MMC command for SCSi devices though... Most ATAPI * drives support it. */ GPCMD_SET_SPEED = 0xbb /* This seems to be a SCSI specific CD-ROM opcode * to play data at track/index */ GPCMD_PLAYAUDIO_TI = 0x48 /* * From MS Media Status Notification Support Specification. For * older drives only. */ GPCMD_GET_MEDIA_STATUS = 0xda /* Mode page codes for mode sense/set */ GPMODE_VENDOR_PAGE = 0x00 GPMODE_R_W_ERROR_PAGE = 0x01 GPMODE_WRITE_PARMS_PAGE = 0x05 GPMODE_WCACHING_PAGE = 0x08 GPMODE_AUDIO_CTL_PAGE = 0x0e GPMODE_POWER_PAGE = 0x1a GPMODE_FAULT_FAIL_PAGE = 0x1c GPMODE_TO_PROTECT_PAGE = 0x1d GPMODE_CAPABILITIES_PAGE = 0x2a GPMODE_ALL_PAGES = 0x3f /* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor * of MODE_SENSE_POWER_PAGE */ GPMODE_CDROM_PAGE = 0x0d /* DVD struct types */ DVD_STRUCT_PHYSICAL = 0x00 DVD_STRUCT_COPYRIGHT = 0x01 DVD_STRUCT_DISCKEY = 0x02 DVD_STRUCT_BCA = 0x03 DVD_STRUCT_MANUFACT = 0x04 DVD_LAYERS = 4 /* Authentication states */ DVD_LU_SEND_AGID = 0 DVD_HOST_SEND_CHALLENGE = 1 DVD_LU_SEND_KEY1 = 2 DVD_LU_SEND_CHALLENGE = 3 DVD_HOST_SEND_KEY2 = 4 /* Termination states */ DVD_AUTH_ESTABLISHED = 5 DVD_AUTH_FAILURE = 6 /* Other functions */ DVD_LU_SEND_TITLE_KEY = 7 DVD_LU_SEND_ASF = 8 DVD_INVALIDATE_AGID = 9 DVD_LU_SEND_RPC_STATE = 10 DVD_HOST_SEND_RPC_STATE = 11 DVD_CPM_NO_COPYRIGHT = 0 DVD_CPM_COPYRIGHTED = 1 DVD_CP_SEC_NONE = 0 DVD_CP_SEC_EXIST = 1 DVD_CGMS_UNRESTRICTED = 0 DVD_CGMS_SINGLE = 2 DVD_CGMS_RESTRICTED = 3 /* * feature profile */ CDF_RWRT = 0x0020 /* "Random Writable" */ CDF_HWDM = 0x0024 /* "Hardware Defect Management" */ CDF_MRW = 0x0028 /* * media status bits */ CDM_MRW_NOTMRW = 0 CDM_MRW_BGFORMAT_INACTIVE = 1 CDM_MRW_BGFORMAT_ACTIVE = 2 CDM_MRW_BGFORMAT_COMPLETE = 3 /* * mrw address spaces */ MRW_LBA_DMA = 0 MRW_LBA_GAA = 1 /* * mrw mode pages (first is deprecated) -- probed at init time and * cdi->mrw_mode_page is set */ MRW_MODE_PC_PRE1 = 0x2c MRW_MODE_PC = 0x03 )
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type CD ¶
type CD struct {
// contains filtered or unexported fields
}
func NewFile ¶
NewFile opens the given device filename and returns a struct with the file descriptor
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