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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* -- <linux/cdrom.h>
* General header file for linux CD-ROM drivers
* Copyright (C) 1992 David Giller, rafetmad@oxy.edu
* 1994, 1995 Eberhard Mönkeberg, emoenke@gwdg.de
* 1996 David van Leeuwen, david@tm.tno.nl
* 1997, 1998 Erik Andersen, andersee@debian.org
* 1998-2002 Jens Axboe, axboe@suse.de
*/
#ifndef _LINUX_CDROM_H
#define _LINUX_CDROM_H
#include <linux/types.h>
#include <asm/byteorder.h>
/*******************************************************
* As of Linux 2.1.x, all Linux CD-ROM application programs will use this
* (and only this) include file. It is my hope to provide Linux with
* a uniform interface between software accessing CD-ROMs and the various
* device drivers that actually talk to the drives. There may still be
* 23 different kinds of strange CD-ROM drives, but at least there will
* now be one, and only one, Linux CD-ROM interface.
*
* Additionally, as of Linux 2.1.x, all Linux application programs
* should use the O_NONBLOCK option when opening a CD-ROM device
* for subsequent ioctl commands. This allows for neat system errors
* like "No medium found" or "Wrong medium type" upon attempting to
* mount or play an empty slot, mount an audio disc, or play a data disc.
* Generally, changing an application program to support O_NONBLOCK
* is as easy as the following:
* - drive = open("/dev/cdrom", O_RDONLY);
* + drive = open("/dev/cdrom", O_RDONLY | O_NONBLOCK);
* It is worth the small change.
*
* Patches for many common CD programs (provided by David A. van Leeuwen)
* can be found at: ftp://ftp.gwdg.de/pub/linux/cdrom/drivers/cm206/
*
*******************************************************/
/* When a driver supports a certain function, but the cdrom drive we are
* using doesn't, we will return the error EDRIVE_CANT_DO_THIS. We will
* borrow the "Operation not supported" error from the network folks to
* accomplish this. Maybe someday we will get a more targeted error code,
* but this will do for now... */
#define EDRIVE_CANT_DO_THIS EOPNOTSUPP
/*******************************************************
* 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'.
*******************************************************/
#define CDROMPAUSE 0x5301 /* Pause Audio Operation */
#define CDROMRESUME 0x5302 /* Resume paused Audio Operation */
#define CDROMPLAYMSF 0x5303 /* Play Audio MSF (struct cdrom_msf) */
#define CDROMPLAYTRKIND 0x5304 /* Play Audio Track/index
(struct cdrom_ti) */
#define CDROMREADTOCHDR 0x5305 /* Read TOC header
(struct cdrom_tochdr) */
#define CDROMREADTOCENTRY 0x5306 /* Read TOC entry
(struct cdrom_tocentry) */
#define CDROMSTOP 0x5307 /* Stop the cdrom drive */
#define CDROMSTART 0x5308 /* Start the cdrom drive */
#define CDROMEJECT 0x5309 /* Ejects the cdrom media */
#define CDROMVOLCTRL 0x530a /* Control output volume
(struct cdrom_volctrl) */
#define CDROMSUBCHNL 0x530b /* Read subchannel data
(struct cdrom_subchnl) */
#define CDROMREADMODE2 0x530c /* Read CDROM mode 2 data (2336 Bytes)
(struct cdrom_read) */
#define CDROMREADMODE1 0x530d /* Read CDROM mode 1 data (2048 Bytes)
(struct cdrom_read) */
#define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */
#define CDROMEJECT_SW 0x530f /* enable(1)/disable(0) auto-ejecting */
#define CDROMMULTISESSION 0x5310 /* Obtain the start-of-last-session
address of multi session disks
(struct cdrom_multisession) */
#define CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code"
if available (struct cdrom_mcn) */
#define CDROM_GET_UPC CDROM_GET_MCN /* This one is deprecated,
but here anyway for compatibility */
#define CDROMRESET 0x5312 /* hard-reset the drive */
#define CDROMVOLREAD 0x5313 /* Get the drive's volume setting
(struct cdrom_volctrl) */
#define CDROMREADRAW 0x5314 /* read data in raw mode (2352 Bytes)
(struct cdrom_read) */
/*
* These ioctls are used only used in aztcd.c and optcd.c
*/
#define CDROMREADCOOKED 0x5315 /* read data in cooked mode */
#define 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.
*/
#define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */
/*
* These ioctls are only used in optcd.c
*/
#define 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
*/
#define CDROMGETSPINDOWN 0x531d
#define 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.
*/
#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
#define CDROM_SET_OPTIONS 0x5320 /* Set behavior options */
#define CDROM_CLEAR_OPTIONS 0x5321 /* Clear behavior options */
#define CDROM_SELECT_SPEED 0x5322 /* Set the CD-ROM speed */
#define CDROM_SELECT_DISC 0x5323 /* Select disc (for juke-boxes) */
#define CDROM_MEDIA_CHANGED 0x5325 /* Check is media changed */
#define CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */
#define CDROM_DISC_STATUS 0x5327 /* Get disc type, etc. */
#define CDROM_CHANGER_NSLOTS 0x5328 /* Get number of slots */
#define CDROM_LOCKDOOR 0x5329 /* lock or unlock door */
#define CDROM_DEBUG 0x5330 /* Turn debug messages on/off */
#define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */
/* Note that scsi/scsi_ioctl.h also uses 0x5382 - 0x5386.
* Future CDROM ioctls should be kept below 0x537F
*/
/* This ioctl is only used by sbpcd at the moment */
#define CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */
/* conflict with SCSI_IOCTL_GET_IDLUN */
/* DVD-ROM Specific ioctls */
#define DVD_READ_STRUCT 0x5390 /* Read structure */
#define DVD_WRITE_STRUCT 0x5391 /* Write structure */
#define DVD_AUTH 0x5392 /* Authentication */
#define CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */
#define CDROM_NEXT_WRITABLE 0x5394 /* get next writable block */
#define CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */
/*******************************************************
* CDROM IOCTL structures
*******************************************************/
/* Address in MSF format */
struct cdrom_msf0
{
__u8 minute;
__u8 second;
__u8 frame;
};
/* Address in either MSF or logical format */
union cdrom_addr
{
struct cdrom_msf0 msf;
int lba;
};
/* This struct is used by the CDROMPLAYMSF ioctl */
struct cdrom_msf
{
__u8 cdmsf_min0; /* start minute */
__u8 cdmsf_sec0; /* start second */
__u8 cdmsf_frame0; /* start frame */
__u8 cdmsf_min1; /* end minute */
__u8 cdmsf_sec1; /* end second */
__u8 cdmsf_frame1; /* end frame */
};
/* This struct is used by the CDROMPLAYTRKIND ioctl */
struct cdrom_ti
{
__u8 cdti_trk0; /* start track */
__u8 cdti_ind0; /* start index */
__u8 cdti_trk1; /* end track */
__u8 cdti_ind1; /* end index */
};
/* This struct is used by the CDROMREADTOCHDR ioctl */
struct cdrom_tochdr
{
__u8 cdth_trk0; /* start track */
__u8 cdth_trk1; /* end track */
};
/* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */
struct cdrom_volctrl
{
__u8 channel0;
__u8 channel1;
__u8 channel2;
__u8 channel3;
};
/* This struct is used by the CDROMSUBCHNL ioctl */
struct cdrom_subchnl
{
__u8 cdsc_format;
__u8 cdsc_audiostatus;
__u8 cdsc_adr: 4;
__u8 cdsc_ctrl: 4;
__u8 cdsc_trk;
__u8 cdsc_ind;
union cdrom_addr cdsc_absaddr;
union cdrom_addr cdsc_reladdr;
};
/* This struct is used by the CDROMREADTOCENTRY ioctl */
struct cdrom_tocentry
{
__u8 cdte_track;
__u8 cdte_adr :4;
__u8 cdte_ctrl :4;
__u8 cdte_format;
union cdrom_addr cdte_addr;
__u8 cdte_datamode;
};
/* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */
struct cdrom_read
{
int cdread_lba;
char *cdread_bufaddr;
int cdread_buflen;
};
/* This struct is used by the CDROMREADAUDIO ioctl */
struct cdrom_read_audio
{
union cdrom_addr addr; /* frame address */
__u8 addr_format; /* CDROM_LBA or CDROM_MSF */
int nframes; /* number of 2352-byte-frames to read at once */
__u8 *buf; /* frame buffer (size: nframes*2352 bytes) */
};
/* This struct is used with the CDROMMULTISESSION ioctl */
struct cdrom_multisession
{
union cdrom_addr addr; /* frame address: start-of-last-session
(not the new "frame 16"!). Only valid
if the "xa_flag" is true. */
__u8 xa_flag; /* 1: "is XA disk" */
__u8 addr_format; /* CDROM_LBA or CDROM_MSF */
};
/* This struct is used with the CDROM_GET_MCN ioctl.
* Very few audio discs actually have Universal Product Code information,
* which should just be the Medium Catalog Number on the box. Also note
* that the way the codeis written on CD is _not_ uniform across all discs!
*/
struct cdrom_mcn
{
__u8 medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */
};
/* This is used by the CDROMPLAYBLK ioctl */
struct cdrom_blk
{
unsigned from;
unsigned short len;
};
#define CDROM_PACKET_SIZE 12
#define CGC_DATA_UNKNOWN 0
#define CGC_DATA_WRITE 1
#define CGC_DATA_READ 2
#define CGC_DATA_NONE 3
/* for CDROM_PACKET_COMMAND ioctl */
struct cdrom_generic_command
{
unsigned char cmd[CDROM_PACKET_SIZE];
unsigned char *buffer;
unsigned int buflen;
int stat;
struct request_sense *sense;
unsigned char data_direction;
int quiet;
int timeout;
void *reserved[1]; /* unused, actually */
};
/*
* A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336,
* 2340, or 2352 bytes long.
* Sector types of the standard CD-ROM data formats:
*
* format sector type user data size (bytes)
* -----------------------------------------------------------------------------
* 1 (Red Book) CD-DA 2352 (CD_FRAMESIZE_RAW)
* 2 (Yellow Book) Mode1 Form1 2048 (CD_FRAMESIZE)
* 3 (Yellow Book) Mode1 Form2 2336 (CD_FRAMESIZE_RAW0)
* 4 (Green Book) Mode2 Form1 2048 (CD_FRAMESIZE)
* 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes)
*
*
* The layout of the standard CD-ROM data formats:
* -----------------------------------------------------------------------------
* - audio (red): | audio_sample_bytes |
* | 2352 |
*
* - data (yellow, mode1): | sync - head - data - EDC - zero - ECC |
* | 12 - 4 - 2048 - 4 - 8 - 276 |
*
* - data (yellow, mode2): | sync - head - data |
* | 12 - 4 - 2336 |
*
* - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |
* | 12 - 4 - 8 - 2048 - 4 - 276 |
*
* - XA data (green, mode2 form2): | sync - head - sub - data - Spare |
* | 12 - 4 - 8 - 2324 - 4 |
*
*/
/* Some generally useful CD-ROM information -- mostly based on the above */
#define CD_MINS 74 /* max. minutes per CD, not really a limit */
#define CD_SECS 60 /* seconds per minute */
#define CD_FRAMES 75 /* frames per second */
#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */
#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */
#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */
#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */
#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */
#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */
#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */
#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */
#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */
#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */
#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */
#define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */
/* most drives don't deliver everything: */
#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/
#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/
#define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */
#define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */
#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */
/* CD-ROM address types (cdrom_tocentry.cdte_format) */
#define CDROM_LBA 0x01 /* "logical block": first frame is #0 */
#define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */
/* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */
#define CDROM_DATA_TRACK 0x04
/* The leadout track is always 0xAA, regardless of # of tracks on disc */
#define CDROM_LEADOUT 0xAA
/* audio states (from SCSI-2, but seen with other drives, too) */
#define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */
#define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */
#define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */
#define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */
#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */
#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */
/* capability flags used with the uniform CD-ROM driver */
#define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */
#define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */
#define CDC_LOCK 0x4 /* disable manual eject */
#define CDC_SELECT_SPEED 0x8 /* programmable speed */
#define CDC_SELECT_DISC 0x10 /* select disc from juke-box */
#define CDC_MULTI_SESSION 0x20 /* read sessions>1 */
#define CDC_MCN 0x40 /* Medium Catalog Number */
#define CDC_MEDIA_CHANGED 0x80 /* media changed */
#define CDC_PLAY_AUDIO 0x100 /* audio functions */
#define CDC_RESET 0x200 /* hard reset device */
#define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */
#define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */
#define CDC_CD_R 0x2000 /* drive is a CD-R */
#define CDC_CD_RW 0x4000 /* drive is a CD-RW */
#define CDC_DVD 0x8000 /* drive is a DVD */
#define CDC_DVD_R 0x10000 /* drive can write DVD-R */
#define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */
#define CDC_MO_DRIVE 0x40000 /* drive is an MO device */
#define CDC_MRW 0x80000 /* drive can read MRW */
#define CDC_MRW_W 0x100000 /* drive can write MRW */
#define CDC_RAM 0x200000 /* ok to open for WRITE */
/* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */
#define CDS_NO_INFO 0 /* if not implemented */
#define CDS_NO_DISC 1
#define CDS_TRAY_OPEN 2
#define CDS_DRIVE_NOT_READY 3
#define CDS_DISC_OK 4
/* return values for the CDROM_DISC_STATUS ioctl */
/* can also return CDS_NO_[INFO|DISC], from above */
#define CDS_AUDIO 100
#define CDS_DATA_1 101
#define CDS_DATA_2 102
#define CDS_XA_2_1 103
#define CDS_XA_2_2 104
#define CDS_MIXED 105
/* User-configurable behavior options for the uniform CD-ROM driver */
#define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */
#define CDO_AUTO_EJECT 0x2 /* open tray on last release() */
#define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */
#define CDO_LOCK 0x8 /* lock tray on open files */
#define CDO_CHECK_TYPE 0x10 /* check type on open for data */
/* Special codes used when specifying changer slots. */
#define CDSL_NONE (INT_MAX-1)
#define CDSL_CURRENT INT_MAX
/* 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.
*/
#define CD_PART_MAX 64
#define CD_PART_MASK (CD_PART_MAX - 1)
/*********************************************************************
* Generic Packet commands, MMC commands, and such
*********************************************************************/
/* The generic packet command opcodes for CD/DVD Logical Units,
* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
#define GPCMD_BLANK 0xa1
#define GPCMD_CLOSE_TRACK 0x5b
#define GPCMD_FLUSH_CACHE 0x35
#define GPCMD_FORMAT_UNIT 0x04
#define GPCMD_GET_CONFIGURATION 0x46
#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
#define GPCMD_GET_PERFORMANCE 0xac
#define GPCMD_INQUIRY 0x12
#define GPCMD_LOAD_UNLOAD 0xa6
#define GPCMD_MECHANISM_STATUS 0xbd
#define GPCMD_MODE_SELECT_10 0x55
#define GPCMD_MODE_SENSE_10 0x5a
#define GPCMD_PAUSE_RESUME 0x4b
#define GPCMD_PLAY_AUDIO_10 0x45
#define GPCMD_PLAY_AUDIO_MSF 0x47
#define GPCMD_PLAY_AUDIO_TI 0x48
#define GPCMD_PLAY_CD 0xbc
#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
#define GPCMD_READ_10 0x28
#define GPCMD_READ_12 0xa8
#define GPCMD_READ_BUFFER 0x3c
#define GPCMD_READ_BUFFER_CAPACITY 0x5c
#define GPCMD_READ_CDVD_CAPACITY 0x25
#define GPCMD_READ_CD 0xbe
#define GPCMD_READ_CD_MSF 0xb9
#define GPCMD_READ_DISC_INFO 0x51
#define GPCMD_READ_DVD_STRUCTURE 0xad
#define GPCMD_READ_FORMAT_CAPACITIES 0x23
#define GPCMD_READ_HEADER 0x44
#define GPCMD_READ_TRACK_RZONE_INFO 0x52
#define GPCMD_READ_SUBCHANNEL 0x42
#define GPCMD_READ_TOC_PMA_ATIP 0x43
#define GPCMD_REPAIR_RZONE_TRACK 0x58
#define GPCMD_REPORT_KEY 0xa4
#define GPCMD_REQUEST_SENSE 0x03
#define GPCMD_RESERVE_RZONE_TRACK 0x53
#define GPCMD_SEND_CUE_SHEET 0x5d
#define GPCMD_SCAN 0xba
#define GPCMD_SEEK 0x2b
#define GPCMD_SEND_DVD_STRUCTURE 0xbf
#define GPCMD_SEND_EVENT 0xa2
#define GPCMD_SEND_KEY 0xa3
#define GPCMD_SEND_OPC 0x54
#define GPCMD_SET_READ_AHEAD 0xa7
#define GPCMD_SET_STREAMING 0xb6
#define GPCMD_START_STOP_UNIT 0x1b
#define GPCMD_STOP_PLAY_SCAN 0x4e
#define GPCMD_TEST_UNIT_READY 0x00
#define GPCMD_VERIFY_10 0x2f
#define GPCMD_WRITE_10 0x2a
#define GPCMD_WRITE_12 0xaa
#define GPCMD_WRITE_AND_VERIFY_10 0x2e
#define 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. */
#define GPCMD_SET_SPEED 0xbb
/* This seems to be a SCSI specific CD-ROM opcode
* to play data at track/index */
#define GPCMD_PLAYAUDIO_TI 0x48
/*
* From MS Media Status Notification Support Specification. For
* older drives only.
*/
#define GPCMD_GET_MEDIA_STATUS 0xda
/* Mode page codes for mode sense/set */
#define GPMODE_VENDOR_PAGE 0x00
#define GPMODE_R_W_ERROR_PAGE 0x01
#define GPMODE_WRITE_PARMS_PAGE 0x05
#define GPMODE_WCACHING_PAGE 0x08
#define GPMODE_AUDIO_CTL_PAGE 0x0e
#define GPMODE_POWER_PAGE 0x1a
#define GPMODE_FAULT_FAIL_PAGE 0x1c
#define GPMODE_TO_PROTECT_PAGE 0x1d
#define GPMODE_CAPABILITIES_PAGE 0x2a
#define GPMODE_ALL_PAGES 0x3f
/* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor
* of MODE_SENSE_POWER_PAGE */
#define GPMODE_CDROM_PAGE 0x0d
/* DVD struct types */
#define DVD_STRUCT_PHYSICAL 0x00
#define DVD_STRUCT_COPYRIGHT 0x01
#define DVD_STRUCT_DISCKEY 0x02
#define DVD_STRUCT_BCA 0x03
#define DVD_STRUCT_MANUFACT 0x04
struct dvd_layer {
__u8 book_version : 4;
__u8 book_type : 4;
__u8 min_rate : 4;
__u8 disc_size : 4;
__u8 layer_type : 4;
__u8 track_path : 1;
__u8 nlayers : 2;
__u8 track_density : 4;
__u8 linear_density : 4;
__u8 bca : 1;
__u32 start_sector;
__u32 end_sector;
__u32 end_sector_l0;
};
#define DVD_LAYERS 4
struct dvd_physical {
__u8 type;
__u8 layer_num;
struct dvd_layer layer[DVD_LAYERS];
};
struct dvd_copyright {
__u8 type;
__u8 layer_num;
__u8 cpst;
__u8 rmi;
};
struct dvd_disckey {
__u8 type;
unsigned agid : 2;
__u8 value[2048];
};
struct dvd_bca {
__u8 type;
int len;
__u8 value[188];
};
struct dvd_manufact {
__u8 type;
__u8 layer_num;
int len;
__u8 value[2048];
};
typedef union {
__u8 type;
struct dvd_physical physical;
struct dvd_copyright copyright;
struct dvd_disckey disckey;
struct dvd_bca bca;
struct dvd_manufact manufact;
} dvd_struct;
/*
* DVD authentication ioctl
*/
/* Authentication states */
#define DVD_LU_SEND_AGID 0
#define DVD_HOST_SEND_CHALLENGE 1
#define DVD_LU_SEND_KEY1 2
#define DVD_LU_SEND_CHALLENGE 3
#define DVD_HOST_SEND_KEY2 4
/* Termination states */
#define DVD_AUTH_ESTABLISHED 5
#define DVD_AUTH_FAILURE 6
/* Other functions */
#define DVD_LU_SEND_TITLE_KEY 7
#define DVD_LU_SEND_ASF 8
#define DVD_INVALIDATE_AGID 9
#define DVD_LU_SEND_RPC_STATE 10
#define DVD_HOST_SEND_RPC_STATE 11
/* State data */
typedef __u8 dvd_key[5]; /* 40-bit value, MSB is first elem. */
typedef __u8 dvd_challenge[10]; /* 80-bit value, MSB is first elem. */
struct dvd_lu_send_agid {
__u8 type;
unsigned agid : 2;
};
struct dvd_host_send_challenge {
__u8 type;
unsigned agid : 2;
dvd_challenge chal;
};
struct dvd_send_key {
__u8 type;
unsigned agid : 2;
dvd_key key;
};
struct dvd_lu_send_challenge {
__u8 type;
unsigned agid : 2;
dvd_challenge chal;
};
#define DVD_CPM_NO_COPYRIGHT 0
#define DVD_CPM_COPYRIGHTED 1
#define DVD_CP_SEC_NONE 0
#define DVD_CP_SEC_EXIST 1
#define DVD_CGMS_UNRESTRICTED 0
#define DVD_CGMS_SINGLE 2
#define DVD_CGMS_RESTRICTED 3
struct dvd_lu_send_title_key {
__u8 type;
unsigned agid : 2;
dvd_key title_key;
int lba;
unsigned cpm : 1;
unsigned cp_sec : 1;
unsigned cgms : 2;
};
struct dvd_lu_send_asf {
__u8 type;
unsigned agid : 2;
unsigned asf : 1;
};
struct dvd_host_send_rpcstate {
__u8 type;
__u8 pdrc;
};
struct dvd_lu_send_rpcstate {
__u8 type : 2;
__u8 vra : 3;
__u8 ucca : 3;
__u8 region_mask;
__u8 rpc_scheme;
};
typedef union {
__u8 type;
struct dvd_lu_send_agid lsa;
struct dvd_host_send_challenge hsc;
struct dvd_send_key lsk;
struct dvd_lu_send_challenge lsc;
struct dvd_send_key hsk;
struct dvd_lu_send_title_key lstk;
struct dvd_lu_send_asf lsasf;
struct dvd_host_send_rpcstate hrpcs;
struct dvd_lu_send_rpcstate lrpcs;
} dvd_authinfo;
struct request_sense {
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 valid : 1;
__u8 error_code : 7;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 error_code : 7;
__u8 valid : 1;
#endif
__u8 segment_number;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 2;
__u8 ili : 1;
__u8 reserved2 : 1;
__u8 sense_key : 4;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 sense_key : 4;
__u8 reserved2 : 1;
__u8 ili : 1;
__u8 reserved1 : 2;
#endif
__u8 information[4];
__u8 add_sense_len;
__u8 command_info[4];
__u8 asc;
__u8 ascq;
__u8 fruc;
__u8 sks[3];
__u8 asb[46];
};
/*
* feature profile
*/
#define CDF_RWRT 0x0020 /* "Random Writable" */
#define CDF_HWDM 0x0024 /* "Hardware Defect Management" */
#define CDF_MRW 0x0028
/*
* media status bits
*/
#define CDM_MRW_NOTMRW 0
#define CDM_MRW_BGFORMAT_INACTIVE 1
#define CDM_MRW_BGFORMAT_ACTIVE 2
#define CDM_MRW_BGFORMAT_COMPLETE 3
/*
* mrw address spaces
*/
#define MRW_LBA_DMA 0
#define MRW_LBA_GAA 1
/*
* mrw mode pages (first is deprecated) -- probed at init time and
* cdi->mrw_mode_page is set
*/
#define MRW_MODE_PC_PRE1 0x2c
#define MRW_MODE_PC 0x03
struct mrw_feature_desc {
__be16 feature_code;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 2;
__u8 feature_version : 4;
__u8 persistent : 1;
__u8 curr : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 curr : 1;
__u8 persistent : 1;
__u8 feature_version : 4;
__u8 reserved1 : 2;
#endif
__u8 add_len;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved2 : 7;
__u8 write : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 write : 1;
__u8 reserved2 : 7;
#endif
__u8 reserved3;
__u8 reserved4;
__u8 reserved5;
};
/* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */
struct rwrt_feature_desc {
__be16 feature_code;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 2;
__u8 feature_version : 4;
__u8 persistent : 1;
__u8 curr : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 curr : 1;
__u8 persistent : 1;
__u8 feature_version : 4;
__u8 reserved1 : 2;
#endif
__u8 add_len;
__u32 last_lba;
__u32 block_size;
__u16 blocking;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved2 : 7;
__u8 page_present : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 page_present : 1;
__u8 reserved2 : 7;
#endif
__u8 reserved3;
};
typedef struct {
__be16 disc_information_length;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 3;
__u8 erasable : 1;
__u8 border_status : 2;
__u8 disc_status : 2;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 disc_status : 2;
__u8 border_status : 2;
__u8 erasable : 1;
__u8 reserved1 : 3;
#else
#error "Please fix <asm/byteorder.h>"
#endif
__u8 n_first_track;
__u8 n_sessions_lsb;
__u8 first_track_lsb;
__u8 last_track_lsb;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 did_v : 1;
__u8 dbc_v : 1;
__u8 uru : 1;
__u8 reserved2 : 2;
__u8 dbit : 1;
__u8 mrw_status : 2;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 mrw_status : 2;
__u8 dbit : 1;
__u8 reserved2 : 2;
__u8 uru : 1;
__u8 dbc_v : 1;
__u8 did_v : 1;
#endif
__u8 disc_type;
__u8 n_sessions_msb;
__u8 first_track_msb;
__u8 last_track_msb;
__u32 disc_id;
__u32 lead_in;
__u32 lead_out;
__u8 disc_bar_code[8];
__u8 reserved3;
__u8 n_opc;
} disc_information;
typedef struct {
__be16 track_information_length;
__u8 track_lsb;
__u8 session_lsb;
__u8 reserved1;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved2 : 2;
__u8 damage : 1;
__u8 copy : 1;
__u8 track_mode : 4;
__u8 rt : 1;
__u8 blank : 1;
__u8 packet : 1;
__u8 fp : 1;
__u8 data_mode : 4;
__u8 reserved3 : 6;
__u8 lra_v : 1;
__u8 nwa_v : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 track_mode : 4;
__u8 copy : 1;
__u8 damage : 1;
__u8 reserved2 : 2;
__u8 data_mode : 4;
__u8 fp : 1;
__u8 packet : 1;
__u8 blank : 1;
__u8 rt : 1;
__u8 nwa_v : 1;
__u8 lra_v : 1;
__u8 reserved3 : 6;
#endif
__be32 track_start;
__be32 next_writable;
__be32 free_blocks;
__be32 fixed_packet_size;
__be32 track_size;
__be32 last_rec_address;
} track_information;
struct feature_header {
__u32 data_len;
__u8 reserved1;
__u8 reserved2;
__u16 curr_profile;
};
struct mode_page_header {
__be16 mode_data_length;
__u8 medium_type;
__u8 reserved1;
__u8 reserved2;
__u8 reserved3;
__be16 desc_length;
};
/* removable medium feature descriptor */
struct rm_feature_desc {
__be16 feature_code;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1:2;
__u8 feature_version:4;
__u8 persistent:1;
__u8 curr:1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 curr:1;
__u8 persistent:1;
__u8 feature_version:4;
__u8 reserved1:2;
#endif
__u8 add_len;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 mech_type:3;
__u8 load:1;
__u8 eject:1;
__u8 pvnt_jmpr:1;
__u8 dbml:1;
__u8 lock:1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 lock:1;
__u8 dbml:1;
__u8 pvnt_jmpr:1;
__u8 eject:1;
__u8 load:1;
__u8 mech_type:3;
#endif
__u8 reserved2;
__u8 reserved3;
__u8 reserved4;
};
#endif /* _LINUX_CDROM_H */
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