diff --git a/libc/kernel/common/linux/cdrom.h b/libc/kernel/common/linux/cdrom.h
new file mode 100644
index 0000000..cc70c9f
--- /dev/null
+++ b/libc/kernel/common/linux/cdrom.h
@@ -0,0 +1,718 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_CDROM_H
+#define _LINUX_CDROM_H
+
+#include <asm/byteorder.h>
+
+#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  
+
+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;
+};
+
+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) (~0U>>1)-1)
+#define CDSL_CURRENT ((int) (~0U>>1))
+
+#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_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_AND_VERIFY_10 0x2e
+
+#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 {
+#ifdef __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;
+#ifdef __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 {
+ __u16 feature_code;
+#ifdef __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;
+#ifdef __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 {
+ __u16 feature_code;
+#ifdef __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;
+#ifdef __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 {
+ __u16 disc_information_length;
+#ifdef __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;
+#ifdef __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 {
+ __u16 track_information_length;
+ __u8 track_lsb;
+ __u8 session_lsb;
+ __u8 reserved1;
+#ifdef __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;
+
+struct feature_header {
+ __u32 data_len;
+ __u8 reserved1;
+ __u8 reserved2;
+ __u16 curr_profile;
+};
+
+struct mode_page_header {
+ __u16 mode_data_length;
+ __u8 medium_type;
+ __u8 reserved1;
+ __u8 reserved2;
+ __u8 reserved3;
+ __u16 desc_length;
+};
+
+#endif