/* * -- * 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 #include #define EDRIVE_CANT_DO_THIS EOPNOTSUPP #define CDROMPAUSE 0x5301 #define CDROMRESUME 0x5302 #define CDROMPLAYMSF 0x5303 #define CDROMPLAYTRKIND 0x5304 #define CDROMREADTOCHDR 0x5305 #define CDROMREADTOCENTRY 0x5306 #define CDROMSTOP 0x5307 #define CDROMSTART 0x5308 #define CDROMEJECT 0x5309 #define CDROMVOLCTRL 0x530a #define CDROMSUBCHNL 0x530b #define CDROMREADMODE2 0x530c #define CDROMREADMODE1 0x530d #define CDROMREADAUDIO 0x530e #define CDROMEJECT_SW 0x530f #define CDROMMULTISESSION 0x5310 #define CDROM_GET_MCN 0x5311 #define CDROM_GET_UPC CDROM_GET_MCN #define CDROMRESET 0x5312 #define CDROMVOLREAD 0x5313 #define CDROMREADRAW 0x5314 #define CDROMREADCOOKED 0x5315 #define CDROMSEEK 0x5316 #define CDROMPLAYBLK 0x5317 #define CDROMREADALL 0x5318 #define CDROMGETSPINDOWN 0x531d #define CDROMSETSPINDOWN 0x531e #define CDROMCLOSETRAY 0x5319 #define CDROM_SET_OPTIONS 0x5320 #define CDROM_CLEAR_OPTIONS 0x5321 #define CDROM_SELECT_SPEED 0x5322 #define CDROM_SELECT_DISC 0x5323 #define CDROM_MEDIA_CHANGED 0x5325 #define CDROM_DRIVE_STATUS 0x5326 #define CDROM_DISC_STATUS 0x5327 #define CDROM_CHANGER_NSLOTS 0x5328 #define CDROM_LOCKDOOR 0x5329 #define CDROM_DEBUG 0x5330 #define CDROM_GET_CAPABILITY 0x5331 #define CDROMAUDIOBUFSIZ 0x5382 #define DVD_READ_STRUCT 0x5390 #define DVD_WRITE_STRUCT 0x5391 #define DVD_AUTH 0x5392 #define CDROM_SEND_PACKET 0x5393 #define CDROM_NEXT_WRITABLE 0x5394 #define CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */ struct cdrom_msf0 { __u8 minute; __u8 second; __u8 frame; }; union cdrom_addr { struct cdrom_msf0 msf; int lba; }; struct cdrom_msf { __u8 cdmsf_min0; __u8 cdmsf_sec0; __u8 cdmsf_frame0; __u8 cdmsf_min1; __u8 cdmsf_sec1; __u8 cdmsf_frame1; }; struct cdrom_ti { __u8 cdti_trk0; __u8 cdti_ind0; __u8 cdti_trk1; __u8 cdti_ind1; }; struct cdrom_tochdr { __u8 cdth_trk0; __u8 cdth_trk1; }; struct cdrom_volctrl { __u8 channel0; __u8 channel1; __u8 channel2; __u8 channel3; }; 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; }; 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; }; struct cdrom_read { int cdread_lba; char *cdread_bufaddr; int cdread_buflen; }; struct cdrom_read_audio { union cdrom_addr addr; __u8 addr_format; int nframes; __u8 __user *buf; }; struct cdrom_multisession { union cdrom_addr addr; __u8 xa_flag; __u8 addr_format; }; /* 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]; }; 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 struct cdrom_generic_command { unsigned char cmd[CDROM_PACKET_SIZE]; unsigned char __user *buffer; unsigned int buflen; int stat; struct request_sense __user *sense; unsigned char data_direction; int quiet; int timeout; void __user *reserved[1]; }; #define CD_MINS 74 #define CD_SECS 60 #define CD_FRAMES 75 #define CD_SYNC_SIZE 12 #define CD_MSF_OFFSET 150 #define CD_CHUNK_SIZE 24 #define CD_NUM_OF_CHUNKS 98 #define CD_FRAMESIZE_SUB 96 #define CD_HEAD_SIZE 4 #define CD_SUBHEAD_SIZE 8 #define CD_EDC_SIZE 4 #define CD_ZERO_SIZE 8 #define CD_ECC_SIZE 276 #define CD_FRAMESIZE 2048 #define CD_FRAMESIZE_RAW 2352 #define CD_FRAMESIZE_RAWER 2646 #define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) #define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) #define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) #define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) #define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) #define CDROM_LBA 0x01 #define CDROM_MSF 0x02 #define CDROM_DATA_TRACK 0x04 #define CDROM_LEADOUT 0xAA #define CDROM_AUDIO_INVALID 0x00 #define CDROM_AUDIO_PLAY 0x11 #define CDROM_AUDIO_PAUSED 0x12 #define CDROM_AUDIO_COMPLETED 0x13 #define CDROM_AUDIO_ERROR 0x14 #define CDROM_AUDIO_NO_STATUS 0x15 #define CDC_CLOSE_TRAY 0x1 #define CDC_OPEN_TRAY 0x2 #define CDC_LOCK 0x4 #define CDC_SELECT_SPEED 0x8 #define CDC_SELECT_DISC 0x10 #define CDC_MULTI_SESSION 0x20 #define CDC_MCN 0x40 #define CDC_MEDIA_CHANGED 0x80 #define CDC_PLAY_AUDIO 0x100 #define CDC_RESET 0x200 #define CDC_DRIVE_STATUS 0x800 #define CDC_GENERIC_PACKET 0x1000 #define CDC_CD_R 0x2000 #define CDC_CD_RW 0x4000 #define CDC_DVD 0x8000 #define CDC_DVD_R 0x10000 #define CDC_DVD_RAM 0x20000 #define CDC_MO_DRIVE 0x40000 #define CDC_MRW 0x80000 #define CDC_MRW_W 0x100000 #define CDC_RAM 0x200000 #define CDS_NO_INFO 0 #define CDS_NO_DISC 1 #define CDS_TRAY_OPEN 2 #define CDS_DRIVE_NOT_READY 3 #define CDS_DISC_OK 4 #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 #define CDO_AUTO_CLOSE 0x1 #define CDO_AUTO_EJECT 0x2 #define CDO_USE_FFLAGS 0x4 #define CDO_LOCK 0x8 #define CDO_CHECK_TYPE 0x10 #define CDSL_NONE (INT_MAX-1) #define CDSL_CURRENT INT_MAX #define CD_PART_MAX 64 #define CD_PART_MASK (CD_PART_MAX - 1) #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 #define GPCMD_SET_SPEED 0xbb #define GPCMD_PLAYAUDIO_TI 0x48 #define GPCMD_GET_MEDIA_STATUS 0xda #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 #define GPMODE_CDROM_PAGE 0x0d #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; #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 #define DVD_AUTH_ESTABLISHED 5 #define DVD_AUTH_FAILURE 6 #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 typedef __u8 dvd_key[5]; typedef __u8 dvd_challenge[10]; 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]; }; #define CDF_RWRT 0x0020 #define CDF_HWDM 0x0024 #define CDF_MRW 0x0028 #define CDM_MRW_NOTMRW 0 #define CDM_MRW_BGFORMAT_INACTIVE 1 #define CDM_MRW_BGFORMAT_ACTIVE 2 #define CDM_MRW_BGFORMAT_COMPLETE 3 #define MRW_LBA_DMA 0 #define MRW_LBA_GAA 1 #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; }; 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 " #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; }; #ifdef __KERNEL__ #include #include struct packet_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]; }; #define CDDA_OLD 0 #define CDDA_BPC_SINGLE 1 #define CDDA_BPC_FULL 2 struct cdrom_device_info { struct cdrom_device_ops *ops; struct list_head list; struct gendisk *disk; void *handle; int mask; int speed; int capacity; unsigned int options : 30; unsigned mc_flags : 2; unsigned int vfs_events; unsigned int ioctl_events; int use_count; char name[20]; __u8 sanyo_slot : 2; __u8 keeplocked : 1; __u8 reserved : 5; int cdda_method; __u8 last_sense; __u8 media_written; unsigned short mmc3_profile; int for_data; int (*exit)(struct cdrom_device_info *); int mrw_mode_page; }; struct cdrom_device_ops { int (*open) (struct cdrom_device_info *, int); void (*release) (struct cdrom_device_info *); int (*drive_status) (struct cdrom_device_info *, int); unsigned int (*check_events) (struct cdrom_device_info *cdi, unsigned int clearing, int slot); int (*media_changed) (struct cdrom_device_info *, int); int (*tray_move) (struct cdrom_device_info *, int); int (*lock_door) (struct cdrom_device_info *, int); int (*select_speed) (struct cdrom_device_info *, int); int (*select_disc) (struct cdrom_device_info *, int); int (*get_last_session) (struct cdrom_device_info *, struct cdrom_multisession *); int (*get_mcn) (struct cdrom_device_info *, struct cdrom_mcn *); int (*reset) (struct cdrom_device_info *); int (*audio_ioctl) (struct cdrom_device_info *,unsigned int, void *); const int capability; int n_minors; int (*generic_packet) (struct cdrom_device_info *, struct packet_command *); }; extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev, fmode_t mode); extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode); extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg); extern unsigned int cdrom_check_events(struct cdrom_device_info *cdi, unsigned int clearing); extern int cdrom_media_changed(struct cdrom_device_info *); extern int register_cdrom(struct cdrom_device_info *cdi); extern void unregister_cdrom(struct cdrom_device_info *cdi); typedef struct { int data; int audio; int cdi; int xa; long error; } tracktype; extern int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written); extern int cdrom_number_of_slots(struct cdrom_device_info *cdi); extern int cdrom_mode_select(struct cdrom_device_info *cdi, struct packet_command *cgc); extern int cdrom_mode_sense(struct cdrom_device_info *cdi, struct packet_command *cgc, int page_code, int page_control); extern void init_cdrom_command(struct packet_command *cgc, void *buffer, int len, int type); #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; typedef struct { #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; __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; __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; __be32 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; struct event_header { __be16 data_len; #if defined(__BIG_ENDIAN_BITFIELD) __u8 nea : 1; __u8 reserved1 : 4; __u8 notification_class : 3; #elif defined(__LITTLE_ENDIAN_BITFIELD) __u8 notification_class : 3; __u8 reserved1 : 4; __u8 nea : 1; #endif __u8 supp_event_class; }; struct media_event_desc { #if defined(__BIG_ENDIAN_BITFIELD) __u8 reserved1 : 4; __u8 media_event_code : 4; __u8 reserved2 : 6; __u8 media_present : 1; __u8 door_open : 1; #elif defined(__LITTLE_ENDIAN_BITFIELD) __u8 media_event_code : 4; __u8 reserved1 : 4; __u8 door_open : 1; __u8 media_present : 1; __u8 reserved2 : 6; #endif __u8 start_slot; __u8 end_slot; }; extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med); static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f) { lba += CD_MSF_OFFSET; lba &= 0xffffff; *m = lba / (CD_SECS * CD_FRAMES); lba %= (CD_SECS * CD_FRAMES); *s = lba / CD_FRAMES; *f = lba % CD_FRAMES; } static inline int msf_to_lba(u8 m, u8 s, u8 f) { return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; } #endif #endif