patch-2.2.16 linux/include/linux/cdrom.h
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- Lines: 854
- Date:
Wed Jun 7 14:26:44 2000
- Orig file:
v2.2.15/linux/include/linux/cdrom.h
- Orig date:
Sun Mar 21 18:37:56 1999
diff -urN v2.2.15/linux/include/linux/cdrom.h linux/include/linux/cdrom.h
@@ -5,12 +5,14 @@
* 1994, 1995 Eberhard Moenkeberg, emoenke@gwdg.de
* 1996 David van Leeuwen, david@tm.tno.nl
* 1997, 1998 Erik Andersen, andersee@debian.org
- * 1998, 1999 Jens Axboe, axboe@image.dk
+ * 1998-2000 Jens Axboe, axboe@suse.de
*/
#ifndef _LINUX_CDROM_H
#define _LINUX_CDROM_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
@@ -94,16 +96,26 @@
#define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */
/*
- * These ioctls are used only used in optcd.c
+ * These ioctls are only used in optcd.c
*/
#define CDROMREADALL 0x5318 /* read all 2646 bytes */
-#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
+
+/*
+ * 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 */
@@ -119,6 +131,15 @@
/* This ioctl is only used by sbpcd at the moment */
#define CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */
+/* 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
*******************************************************/
@@ -126,9 +147,9 @@
/* Address in MSF format */
struct cdrom_msf0
{
- u_char minute;
- u_char second;
- u_char frame;
+ __u8 minute;
+ __u8 second;
+ __u8 frame;
};
/* Address in either MSF or logical format */
@@ -141,48 +162,48 @@
/* This struct is used by the CDROMPLAYMSF ioctl */
struct cdrom_msf
{
- u_char cdmsf_min0; /* start minute */
- u_char cdmsf_sec0; /* start second */
- u_char cdmsf_frame0; /* start frame */
- u_char cdmsf_min1; /* end minute */
- u_char cdmsf_sec1; /* end second */
- u_char cdmsf_frame1; /* end frame */
+ __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
{
- u_char cdti_trk0; /* start track */
- u_char cdti_ind0; /* start index */
- u_char cdti_trk1; /* end track */
- u_char cdti_ind1; /* end index */
+ __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
{
- u_char cdth_trk0; /* start track */
- u_char cdth_trk1; /* end track */
+ __u8 cdth_trk0; /* start track */
+ __u8 cdth_trk1; /* end track */
};
/* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */
struct cdrom_volctrl
{
- u_char channel0;
- u_char channel1;
- u_char channel2;
- u_char channel3;
+ __u8 channel0;
+ __u8 channel1;
+ __u8 channel2;
+ __u8 channel3;
};
/* This struct is used by the CDROMSUBCHNL ioctl */
struct cdrom_subchnl
{
- u_char cdsc_format;
- u_char cdsc_audiostatus;
- u_char cdsc_adr: 4;
- u_char cdsc_ctrl: 4;
- u_char cdsc_trk;
- u_char cdsc_ind;
+ __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;
};
@@ -191,12 +212,12 @@
/* This struct is used by the CDROMREADTOCENTRY ioctl */
struct cdrom_tocentry
{
- u_char cdte_track;
- u_char cdte_adr :4;
- u_char cdte_ctrl :4;
- u_char cdte_format;
+ __u8 cdte_track;
+ __u8 cdte_adr :4;
+ __u8 cdte_ctrl :4;
+ __u8 cdte_format;
union cdrom_addr cdte_addr;
- u_char cdte_datamode;
+ __u8 cdte_datamode;
};
/* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */
@@ -211,9 +232,9 @@
struct cdrom_read_audio
{
union cdrom_addr addr; /* frame address */
- u_char addr_format; /* CDROM_LBA or CDROM_MSF */
+ __u8 addr_format; /* CDROM_LBA or CDROM_MSF */
int nframes; /* number of 2352-byte-frames to read at once */
- u_char *buf; /* frame buffer (size: nframes*2352 bytes) */
+ __u8 *buf; /* frame buffer (size: nframes*2352 bytes) */
};
/* This struct is used with the CDROMMULTISESSION ioctl */
@@ -222,8 +243,8 @@
union cdrom_addr addr; /* frame address: start-of-last-session
(not the new "frame 16"!). Only valid
if the "xa_flag" is true. */
- u_char xa_flag; /* 1: "is XA disk" */
- u_char addr_format; /* CDROM_LBA or CDROM_MSF */
+ __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.
@@ -233,7 +254,7 @@
*/
struct cdrom_mcn
{
- u_char medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */
+ __u8 medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */
};
/* This is used by the CDROMPLAYBLK ioctl */
@@ -243,6 +264,29 @@
unsigned short len;
};
+#define CDROM_PACKET_SIZE 12
+
+/*
+ * These are for 2.3/4 only, but lets have them in 2.2 as well so that
+ * apps don't need to check for versions.
+ */
+#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;
+ void *reserved[3];
+};
+
/*
* A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336,
@@ -321,14 +365,6 @@
#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */
#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */
-/* CD-ROM-specific SCSI command opcodes */
-#define SCMD_READ_TOC 0x43 /* read table of contents */
-#define SCMD_PLAYAUDIO_MSF 0x47 /* play data at time offset */
-#define SCMD_PLAYAUDIO_TI 0x48 /* play data at track/index */
-#define SCMD_PAUSE_RESUME 0x4B /* pause/resume audio */
-#define SCMD_READ_SUBCHANNEL 0x42 /* read SC info on playing disc */
-#define SCMD_PLAYAUDIO10 0x45 /* play data at logical block */
-
/* 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. */
@@ -342,6 +378,12 @@
#define CDC_RESET 0x200 /* hard reset device */
#define CDC_IOCTLS 0x400 /* driver has non-standard ioctls */
#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 */
/* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */
#define CDS_NO_INFO 0 /* if not implemented */
@@ -370,7 +412,311 @@
#define CDSL_NONE ((int) (~0U>>1)-1)
#define CDSL_CURRENT ((int) (~0U>>1))
+/* 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_CD 0xbc
+#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
+#define GPCMD_READ_10 0x28
+#define GPCMD_READ_12 0xa8
+#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_SCAN 0xba
+#define GPCMD_SEEK 0x2b
+#define GPCMD_SEND_DVD_STRUCTURE 0xad
+#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_AND_VERIFY_10 0x2e
+/* 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_R_W_ERROR_PAGE 0x01
+#define GPMODE_WRITE_PARMS_PAGE 0x05
+#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 -- depricated 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;
+};
+
+struct dvd_physical {
+ __u8 type;
+ __u8 layer_num;
+ struct dvd_layer layer[4];
+};
+
+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];
+};
+
#ifdef __KERNEL__
+
+struct cdrom_write_settings {
+ unsigned char fpacket; /* fixed/variable packets */
+ unsigned long packet_size; /* write out this number of packets */
+ unsigned long nwa; /* next writeable address */
+ unsigned char writeable; /* cdrom is writeable */
+};
+
/* Uniform cdrom data structures for cdrom.c */
struct cdrom_device_info {
struct cdrom_device_ops *ops; /* link to device_ops */
@@ -382,11 +728,14 @@
int speed; /* maximum speed for reading data */
int capacity; /* number of discs in jukebox */
/* device-related storage */
- int options : 30; /* options flags */
- unsigned mc_flags : 2; /* media change buffer flags */
+ int options : 30; /* options flags */
+ unsigned mc_flags : 2; /* media change buffer flags */
int use_count; /* number of times device opened */
char name[20]; /* name of the device type */
-
+/* per-device flags */
+ __u8 sanyo_slot : 2; /* Sanyo 3 CD changer support */
+ __u8 reserved : 6; /* not used yet */
+ struct cdrom_write_settings write;
};
struct cdrom_device_ops {
@@ -413,6 +762,9 @@
/* driver specifications */
const int capability; /* capability flags */
int n_minors; /* number of active minor devices */
+ /* handle uniform packets for scsi type devices (scsi,atapi) */
+ int (*generic_packet) (struct cdrom_device_info *,
+ struct cdrom_generic_command *);
};
/* the general file operations structure: */
@@ -420,6 +772,7 @@
extern int register_cdrom(struct cdrom_device_info *cdi);
extern int unregister_cdrom(struct cdrom_device_info *cdi);
+
typedef struct {
int data;
int audio;
@@ -427,7 +780,252 @@
int xa;
long error;
} tracktype;
+
extern void cdrom_count_tracks(struct cdrom_device_info *cdi,tracktype* tracks);
+extern int cdrom_get_next_writable(kdev_t dev, long *next_writable);
+extern int cdrom_get_last_written(kdev_t dev, long *last_written);
+extern int cdrom_number_of_slots(struct cdrom_device_info *cdi);
+extern int cdrom_select_disc(struct cdrom_device_info *cdi, int slot);
+extern int cdrom_mode_select(struct cdrom_device_info *cdi,
+ struct cdrom_generic_command *cgc);
+extern int cdrom_mode_sense(struct cdrom_device_info *cdi,
+ struct cdrom_generic_command *cgc,
+ int page_code, int page_control);
+extern void init_cdrom_command(struct cdrom_generic_command *cgc,
+ void *buffer, int len);
+
+
+typedef struct {
+ __u16 disc_information_length;
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 reserved1 : 3;
+ __u8 erasable : 1;
+ __u8 border_status : 2;
+ __u8 disc_border : 2;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 disc_border : 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 : 5;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 reserved2 : 5;
+ __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 {
+ __u16 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
+ __u32 track_start;
+ __u32 next_writable;
+ __u32 free_blocks;
+ __u32 fixed_packet_size;
+ __u32 track_size;
+ __u32 last_rec_address;
+} track_information;
+
+/* The SCSI spec says there could be 256 slots. */
+#define CDROM_MAX_SLOTS 256
+
+struct cdrom_mechstat_header {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 fault : 1;
+ __u8 changer_state : 2;
+ __u8 curslot : 5;
+ __u8 mech_state : 3;
+ __u8 door_open : 1;
+ __u8 reserved1 : 4;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 curslot : 5;
+ __u8 changer_state : 2;
+ __u8 fault : 1;
+ __u8 reserved1 : 4;
+ __u8 door_open : 1;
+ __u8 mech_state : 3;
+#endif
+ __u8 curlba[3];
+ __u8 nslots;
+ __u16 slot_tablelen;
+};
+
+struct cdrom_slot {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 disc_present : 1;
+ __u8 reserved1 : 6;
+ __u8 change : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 change : 1;
+ __u8 reserved1 : 6;
+ __u8 disc_present : 1;
+#endif
+ __u8 reserved2[3];
+};
+
+struct cdrom_changer_info {
+ struct cdrom_mechstat_header hdr;
+ struct cdrom_slot slots[CDROM_MAX_SLOTS];
+};
+
+typedef enum {
+ mechtype_caddy = 0,
+ mechtype_tray = 1,
+ mechtype_popup = 2,
+ mechtype_individual_changer = 4,
+ mechtype_cartridge_changer = 5
+} mechtype_t;
+
+struct mode_page_header {
+ __u16 mode_data_length;
+ __u8 medium_type;
+ __u8 reserved1;
+ __u8 reserved2;
+ __u8 reserved3;
+ __u16 desc_length;
+};
+
+typedef struct {
+ struct mode_page_header header;
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 ps : 1;
+ __u8 reserved1 : 1;
+ __u8 page_code : 6;
+ __u8 page_length;
+ __u8 reserved2 : 1;
+ __u8 bufe : 1;
+ __u8 ls_v : 1;
+ __u8 test_write : 1;
+ __u8 write_type : 4;
+ __u8 multi_session : 2; /* or border, DVD */
+ __u8 fp : 1;
+ __u8 copy : 1;
+ __u8 track_mode : 4;
+ __u8 reserved3 : 4;
+ __u8 data_block_type : 4;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 page_code : 6;
+ __u8 reserved1 : 1;
+ __u8 ps : 1;
+ __u8 page_length;
+ __u8 write_type : 4;
+ __u8 test_write : 1;
+ __u8 ls_v : 1;
+ __u8 bufe : 1;
+ __u8 reserved2 : 1;
+ __u8 track_mode : 4;
+ __u8 copy : 1;
+ __u8 fp : 1;
+ __u8 multi_session : 2; /* or border, DVD */
+ __u8 data_block_type : 4;
+ __u8 reserved3 : 4;
+#endif
+ __u8 link_size;
+ __u8 reserved4;
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 reserved5 : 2;
+ __u8 app_code : 6;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 app_code : 6;
+ __u8 reserved5 : 2;
+#endif
+ __u8 session_format;
+ __u8 reserved6;
+ __u32 packet_size;
+ __u16 audio_pause;
+ __u8 mcn[16];
+ __u8 isrc[16];
+ __u8 subhdr0;
+ __u8 subhdr1;
+ __u8 subhdr2;
+ __u8 subhdr3;
+} __attribute__((packed)) write_param_page;
+
+struct modesel_head
+{
+ __u8 reserved1;
+ __u8 medium;
+ __u8 reserved2;
+ __u8 block_desc_length;
+ __u8 density;
+ __u8 number_of_blocks_hi;
+ __u8 number_of_blocks_med;
+ __u8 number_of_blocks_lo;
+ __u8 reserved3;
+ __u8 block_length_hi;
+ __u8 block_length_med;
+ __u8 block_length_lo;
+};
+
+typedef struct {
+ __u16 report_key_length;
+ __u8 reserved1;
+ __u8 reserved2;
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 type_code : 2;
+ __u8 vra : 3;
+ __u8 ucca : 3;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 ucca : 3;
+ __u8 vra : 3;
+ __u8 type_code : 2;
+#endif
+ __u8 region_mask;
+ __u8 rpc_scheme;
+ __u8 reserved3;
+} rpc_state_t;
+
#endif /* End of kernel only stuff */
#endif /* _LINUX_CDROM_H */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)