/* * ntddcdrm.h * * CDROM IOCTL interface. * * This file is part of the w32api package. * * Contributors: * Created by Casper S. Hornstrup * * THIS SOFTWARE IS NOT COPYRIGHTED * * This source code is offered for use in the public domain. You may * use, modify or distribute it freely. * * This code is distributed in the hope that it will be useful but * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY * DISCLAIMED. This includes but is not limited to warranties of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * */ #ifndef _NTDDCDRM_ #define _NTDDCDRM_ #include "ntddstor.h" #ifdef __cplusplus extern "C" { #endif #define IOCTL_CDROM_BASE FILE_DEVICE_CD_ROM #define IOCTL_CDROM_READ_TOC \ CTL_CODE(IOCTL_CDROM_BASE, 0x0000, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_SEEK_AUDIO_MSF \ CTL_CODE(IOCTL_CDROM_BASE, 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_STOP_AUDIO \ CTL_CODE(IOCTL_CDROM_BASE, 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_PAUSE_AUDIO \ CTL_CODE(IOCTL_CDROM_BASE, 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_RESUME_AUDIO \ CTL_CODE(IOCTL_CDROM_BASE, 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_GET_VOLUME \ CTL_CODE(IOCTL_CDROM_BASE, 0x0005, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_PLAY_AUDIO_MSF \ CTL_CODE(IOCTL_CDROM_BASE, 0x0006, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_SET_VOLUME \ CTL_CODE(IOCTL_CDROM_BASE, 0x000A, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_READ_Q_CHANNEL \ CTL_CODE(IOCTL_CDROM_BASE, 0x000B, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_GET_CONTROL \ CTL_CODE(IOCTL_CDROM_BASE, 0x000D, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_GET_LAST_SESSION \ CTL_CODE(IOCTL_CDROM_BASE, 0x000E, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_RAW_READ \ CTL_CODE(IOCTL_CDROM_BASE, 0x000F, METHOD_OUT_DIRECT, FILE_READ_ACCESS) #define IOCTL_CDROM_DISK_TYPE \ CTL_CODE(IOCTL_CDROM_BASE, 0x0010, METHOD_BUFFERED, FILE_ANY_ACCESS) #define IOCTL_CDROM_GET_DRIVE_GEOMETRY \ CTL_CODE(IOCTL_CDROM_BASE, 0x0013, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_GET_DRIVE_GEOMETRY_EX \ CTL_CODE(IOCTL_CDROM_BASE, 0x0014, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_READ_TOC_EX \ CTL_CODE(IOCTL_CDROM_BASE, 0x0015, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_GET_CONFIGURATION \ CTL_CODE(IOCTL_CDROM_BASE, 0x0016, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_EXCLUSIVE_ACCESS \ CTL_CODE(IOCTL_CDROM_BASE, 0x0017, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS) #define IOCTL_CDROM_SET_SPEED \ CTL_CODE(IOCTL_CDROM_BASE, 0x0018, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_GET_INQUIRY_DATA \ CTL_CODE(IOCTL_CDROM_BASE, 0x0019, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_ENABLE_STREAMING \ CTL_CODE(IOCTL_CDROM_BASE, 0x001A, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_SEND_OPC_INFORMATION \ CTL_CODE(IOCTL_CDROM_BASE, 0x001B, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS) #define IOCTL_CDROM_GET_PERFORMANCE \ CTL_CODE(IOCTL_CDROM_BASE, 0x001C, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_CHECK_VERIFY \ CTL_CODE(IOCTL_CDROM_BASE, 0x0200, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_MEDIA_REMOVAL \ CTL_CODE(IOCTL_CDROM_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_EJECT_MEDIA \ CTL_CODE(IOCTL_CDROM_BASE, 0x0202, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_LOAD_MEDIA \ CTL_CODE(IOCTL_CDROM_BASE, 0x0203, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_RESERVE \ CTL_CODE(IOCTL_CDROM_BASE, 0x0204, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_RELEASE \ CTL_CODE(IOCTL_CDROM_BASE, 0x0205, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_FIND_NEW_DEVICES \ CTL_CODE(IOCTL_CDROM_BASE, 0x0206, METHOD_BUFFERED, FILE_READ_ACCESS) #define IOCTL_CDROM_SIMBAD \ CTL_CODE(IOCTL_CDROM_BASE, 0x1003, METHOD_BUFFERED, FILE_READ_ACCESS) #define MINIMUM_CDROM_INQUIRY_SIZE 36 // RTL_SIZEOF_THROUGH_FIELD(INQUIRYDATA, ProductRevisionLevel) #define MAXIMUM_CDROM_INQUIRY_SIZE 260 // MAXUCHAR + RTL_SIZEOF_THROUGH_FIELD(INQUIRYDATA, AdditionalLength) #define MAXIMUM_NUMBER_TRACKS 100 #define MAXIMUM_CDROM_SIZE 804 #define MINIMUM_CDROM_READ_TOC_EX_SIZE 2 typedef struct _TRACK_DATA { UCHAR Reserved; UCHAR Control : 4; UCHAR Adr : 4; UCHAR TrackNumber; UCHAR Reserved1; UCHAR Address[4]; } TRACK_DATA, *PTRACK_DATA; /* CDROM_DISK_DATA.DiskData flags */ #define CDROM_DISK_AUDIO_TRACK 0x00000001 #define CDROM_DISK_DATA_TRACK 0x00000002 typedef struct _CDROM_DISK_DATA { ULONG DiskData; } CDROM_DISK_DATA, *PCDROM_DISK_DATA; typedef struct _CDROM_PLAY_AUDIO_MSF { UCHAR StartingM; UCHAR StartingS; UCHAR StartingF; UCHAR EndingM; UCHAR EndingS; UCHAR EndingF; } CDROM_PLAY_AUDIO_MSF, *PCDROM_PLAY_AUDIO_MSF; /* CDROM_READ_TOC_EX.Format constants */ #define CDROM_READ_TOC_EX_FORMAT_TOC 0x00 #define CDROM_READ_TOC_EX_FORMAT_SESSION 0x01 #define CDROM_READ_TOC_EX_FORMAT_FULL_TOC 0x02 #define CDROM_READ_TOC_EX_FORMAT_PMA 0x03 #define CDROM_READ_TOC_EX_FORMAT_ATIP 0x04 #define CDROM_READ_TOC_EX_FORMAT_CDTEXT 0x05 typedef struct _CDROM_READ_TOC_EX { UCHAR Format : 4; UCHAR Reserved1 : 3; UCHAR Msf : 1; UCHAR SessionTrack; UCHAR Reserved2; UCHAR Reserved3; } CDROM_READ_TOC_EX, *PCDROM_READ_TOC_EX; typedef struct _CDROM_SEEK_AUDIO_MSF { UCHAR M; UCHAR S; UCHAR F; } CDROM_SEEK_AUDIO_MSF, *PCDROM_SEEK_AUDIO_MSF; /* CDROM_SUB_Q_DATA_FORMAT.Format constants */ #define IOCTL_CDROM_SUB_Q_CHANNEL 0x00 #define IOCTL_CDROM_CURRENT_POSITION 0x01 #define IOCTL_CDROM_MEDIA_CATALOG 0x02 #define IOCTL_CDROM_TRACK_ISRC 0x03 typedef struct _CDROM_SUB_Q_DATA_FORMAT { UCHAR Format; UCHAR Track; } CDROM_SUB_Q_DATA_FORMAT, *PCDROM_SUB_Q_DATA_FORMAT; typedef struct _CDROM_TOC { UCHAR Length[2]; UCHAR FirstTrack; UCHAR LastTrack; TRACK_DATA TrackData[MAXIMUM_NUMBER_TRACKS]; } CDROM_TOC, *PCDROM_TOC; #define CDROM_TOC_SIZE sizeof(CDROM_TOC) typedef struct _CDROM_TOC_SESSION_DATA { UCHAR Length[2]; UCHAR FirstCompleteSession; UCHAR LastCompleteSession; TRACK_DATA TrackData[1]; } CDROM_TOC_SESSION_DATA, *PCDROM_TOC_SESSION_DATA; typedef struct _CDROM_TOC_ATIP_DATA_BLOCK { UCHAR CdrwReferenceSpeed : 3; UCHAR Reserved3 : 1; UCHAR WritePower : 3; UCHAR True1 : 1; UCHAR Reserved4 : 6; UCHAR UnrestrictedUse : 1; UCHAR Reserved5 : 1; UCHAR A3Valid : 1; UCHAR A2Valid : 1; UCHAR A1Valid : 1; UCHAR Reserved6 : 3; UCHAR IsCdrw : 1; UCHAR True2 : 1; UCHAR Reserved7; UCHAR LeadInMsf[3]; UCHAR Reserved8; UCHAR LeadOutMsf[3]; UCHAR Reserved9; UCHAR A1Values[3]; UCHAR Reserved10; UCHAR A2Values[3]; UCHAR Reserved11; UCHAR A3Values[3]; UCHAR Reserved12; } CDROM_TOC_ATIP_DATA_BLOCK, *PCDROM_TOC_ATIP_DATA_BLOCK; typedef struct _CDROM_TOC_ATIP_DATA { UCHAR Length[2]; UCHAR Reserved1; UCHAR Reserved2; CDROM_TOC_ATIP_DATA_BLOCK Descriptors[0]; } CDROM_TOC_ATIP_DATA, *PCDROM_TOC_ATIP_DATA; /* CDROM_TOC_CD_TEXT_DATA_BLOCK.PackType constants */ #define CDROM_CD_TEXT_PACK_ALBUM_NAME 0x80 #define CDROM_CD_TEXT_PACK_PERFORMER 0x81 #define CDROM_CD_TEXT_PACK_SONGWRITER 0x82 #define CDROM_CD_TEXT_PACK_COMPOSER 0x83 #define CDROM_CD_TEXT_PACK_ARRANGER 0x84 #define CDROM_CD_TEXT_PACK_MESSAGES 0x85 #define CDROM_CD_TEXT_PACK_DISC_ID 0x86 #define CDROM_CD_TEXT_PACK_GENRE 0x87 #define CDROM_CD_TEXT_PACK_TOC_INFO 0x88 #define CDROM_CD_TEXT_PACK_TOC_INFO2 0x89 #define CDROM_CD_TEXT_PACK_UPC_EAN 0x8e #define CDROM_CD_TEXT_PACK_SIZE_INFO 0x8f typedef struct _CDROM_TOC_CD_TEXT_DATA_BLOCK { UCHAR PackType; UCHAR TrackNumber : 7; UCHAR ExtensionFlag : 1; UCHAR SequenceNumber; UCHAR CharacterPosition : 4; UCHAR BlockNumber : 3; UCHAR Unicode : 1; _ANONYMOUS_UNION union { UCHAR Text[12]; WCHAR WText[6]; } DUMMYUNIONNAME; UCHAR CRC[2]; } CDROM_TOC_CD_TEXT_DATA_BLOCK, *PCDROM_TOC_CD_TEXT_DATA_BLOCK; typedef struct _CDROM_TOC_CD_TEXT_DATA { UCHAR Length[2]; UCHAR Reserved1; UCHAR Reserved2; CDROM_TOC_CD_TEXT_DATA_BLOCK Descriptors[0]; } CDROM_TOC_CD_TEXT_DATA, *PCDROM_TOC_CD_TEXT_DATA; /* CDROM_TOC_FULL_TOC_DATA_BLOCK.Adr constants */ #define ADR_NO_MODE_INFORMATION 0x0 #define ADR_ENCODES_CURRENT_POSITION 0x1 #define ADR_ENCODES_MEDIA_CATALOG 0x2 #define ADR_ENCODES_ISRC 0x3 typedef struct _CDROM_TOC_FULL_TOC_DATA_BLOCK { UCHAR SessionNumber; UCHAR Control : 4; UCHAR Adr : 4; UCHAR Reserved1; UCHAR Point; UCHAR MsfExtra[3]; UCHAR Zero; UCHAR Msf[3]; } CDROM_TOC_FULL_TOC_DATA_BLOCK, *PCDROM_TOC_FULL_TOC_DATA_BLOCK; typedef struct _CDROM_TOC_FULL_TOC_DATA { UCHAR Length[2]; UCHAR FirstCompleteSession; UCHAR LastCompleteSession; CDROM_TOC_FULL_TOC_DATA_BLOCK Descriptors[0]; } CDROM_TOC_FULL_TOC_DATA, *PCDROM_TOC_FULL_TOC_DATA; typedef struct _CDROM_TOC_PMA_DATA { UCHAR Length[2]; UCHAR Reserved1; UCHAR Reserved2; CDROM_TOC_FULL_TOC_DATA_BLOCK Descriptors[0]; } CDROM_TOC_PMA_DATA, *PCDROM_TOC_PMA_DATA; /* SUB_Q_HEADER.AudioStatus constants */ #define AUDIO_STATUS_NOT_SUPPORTED 0x00 #define AUDIO_STATUS_IN_PROGRESS 0x11 #define AUDIO_STATUS_PAUSED 0x12 #define AUDIO_STATUS_PLAY_COMPLETE 0x13 #define AUDIO_STATUS_PLAY_ERROR 0x14 #define AUDIO_STATUS_NO_STATUS 0x15 typedef struct _SUB_Q_HEADER { UCHAR Reserved; UCHAR AudioStatus; UCHAR DataLength[2]; } SUB_Q_HEADER, *PSUB_Q_HEADER; typedef struct _SUB_Q_MEDIA_CATALOG_NUMBER { SUB_Q_HEADER Header; UCHAR FormatCode; UCHAR Reserved[3]; UCHAR Reserved1 : 7; UCHAR Mcval :1; UCHAR MediaCatalog[15]; } SUB_Q_MEDIA_CATALOG_NUMBER, *PSUB_Q_MEDIA_CATALOG_NUMBER; typedef struct _SUB_Q_TRACK_ISRC { SUB_Q_HEADER Header; UCHAR FormatCode; UCHAR Reserved0; UCHAR Track; UCHAR Reserved1; UCHAR Reserved2 : 7; UCHAR Tcval : 1; UCHAR TrackIsrc[15]; } SUB_Q_TRACK_ISRC, *PSUB_Q_TRACK_ISRC; typedef struct _SUB_Q_CURRENT_POSITION { SUB_Q_HEADER Header; UCHAR FormatCode; UCHAR Control : 4; UCHAR ADR : 4; UCHAR TrackNumber; UCHAR IndexNumber; UCHAR AbsoluteAddress[4]; UCHAR TrackRelativeAddress[4]; } SUB_Q_CURRENT_POSITION, *PSUB_Q_CURRENT_POSITION; typedef union _SUB_Q_CHANNEL_DATA { SUB_Q_CURRENT_POSITION CurrentPosition; SUB_Q_MEDIA_CATALOG_NUMBER MediaCatalog; SUB_Q_TRACK_ISRC TrackIsrc; } SUB_Q_CHANNEL_DATA, *PSUB_Q_CHANNEL_DATA; /* CDROM_AUDIO_CONTROL.LbaFormat constants */ #define AUDIO_WITH_PREEMPHASIS 0x1 #define DIGITAL_COPY_PERMITTED 0x2 #define AUDIO_DATA_TRACK 0x4 #define TWO_FOUR_CHANNEL_AUDIO 0x8 typedef struct _CDROM_AUDIO_CONTROL { UCHAR LbaFormat; USHORT LogicalBlocksPerSecond; } CDROM_AUDIO_CONTROL, *PCDROM_AUDIO_CONTROL; typedef struct _VOLUME_CONTROL { UCHAR PortVolume[4]; } VOLUME_CONTROL, *PVOLUME_CONTROL; typedef enum _TRACK_MODE_TYPE { YellowMode2, XAForm2, CDDA, RawWithC2AndSubCode, RawWithC2, RawWithSubCode } TRACK_MODE_TYPE, *PTRACK_MODE_TYPE; #define CD_RAW_READ_C2_SIZE ( 296 ) #define CD_RAW_READ_SUBCODE_SIZE ( 96) #define CD_RAW_SECTOR_WITH_C2_SIZE (2352+296 ) #define CD_RAW_SECTOR_WITH_SUBCODE_SIZE (2352 +96) #define CD_RAW_SECTOR_WITH_C2_AND_SUBCODE_SIZE (2352+296+96) typedef struct __RAW_READ_INFO { LARGE_INTEGER DiskOffset; ULONG SectorCount; TRACK_MODE_TYPE TrackMode; } RAW_READ_INFO, *PRAW_READ_INFO; // for IOCTL_CDROM_EXCLUSIVE_ACCESS #define CDROM_EXCLUSIVE_CALLER_LENGTH 64 #define CDROM_LOCK_IGNORE_VOLUME (1 << 0) #define CDROM_NO_MEDIA_NOTIFICATIONS (1 << 1) #define CDROM_NOT_IN_EXCLUSIVE_MODE 0 #define CDROM_IN_EXCLUSIVE_MODE 1 typedef enum _EXCLUSIVE_ACCESS_REQUEST_TYPE { ExclusiveAccessQueryState, ExclusiveAccessLockDevice, ExclusiveAccessUnlockDevice } EXCLUSIVE_ACCESS_REQUEST_TYPE, *PEXCLUSIVE_ACCESS_REQUEST_TYPE; typedef struct _CDROM_EXCLUSIVE_ACCESS { EXCLUSIVE_ACCESS_REQUEST_TYPE RequestType; ULONG Flags; } CDROM_EXCLUSIVE_ACCESS, *PCDROM_EXCLUSIVE_ACCESS; typedef struct _CDROM_EXCLUSIVE_LOCK { CDROM_EXCLUSIVE_ACCESS Access; UCHAR CallerName[CDROM_EXCLUSIVE_CALLER_LENGTH]; } CDROM_EXCLUSIVE_LOCK, *PCDROM_EXCLUSIVE_LOCK; typedef struct _CDROM_EXCLUSIVE_LOCK_STATE { BOOLEAN LockState; UCHAR CallerName[CDROM_EXCLUSIVE_CALLER_LENGTH]; } CDROM_EXCLUSIVE_LOCK_STATE, *PCDROM_EXCLUSIVE_LOCK_STATE; // for IOCTL_CDROM_SET_SPEED typedef enum _CDROM_SPEED_REQUEST { CdromSetSpeed, CdromSetStreaming } CDROM_SPEED_REQUEST, *PCDROM_SPEED_REQUEST; typedef enum _WRITE_ROTATION { CdromDefaultRotation, CdromCAVRotation } WRITE_ROTATION, *PWRITE_ROTATION; typedef struct _CDROM_SET_SPEED { CDROM_SPEED_REQUEST RequestType; USHORT ReadSpeed; USHORT WriteSpeed; WRITE_ROTATION RotationControl; } CDROM_SET_SPEED, *PCDROM_SET_SPEED; typedef struct _CDROM_SET_STREAMING { CDROM_SPEED_REQUEST RequestType; ULONG ReadSize; ULONG ReadTime; ULONG WriteSize; ULONG WriteTime; ULONG StartLba; ULONG EndLba; WRITE_ROTATION RotationControl; BOOLEAN RestoreDefaults; BOOLEAN SetExact; BOOLEAN RandomAccess; BOOLEAN Persistent; } CDROM_SET_STREAMING, *PCDROM_SET_STREAMING; // for IOCTL_CDROM_ENABLE_STREAMING typedef enum _STREAMING_CONTROL_REQUEST_TYPE { CdromStreamingDisable = 1, CdromStreamingEnableForReadOnly = 2, CdromStreamingEnableForWriteOnly = 3, CdromStreamingEnableForReadWrite = 4 } STREAMING_CONTROL_REQUEST_TYPE, *PSTREAMING_CONTROL_REQUEST_TYPE; typedef struct _CDROM_STREAMING_CONTROL { STREAMING_CONTROL_REQUEST_TYPE RequestType; } CDROM_STREAMING_CONTROL, *PCDROM_STREAMING_CONTROL; // for IOCTL_CDROM_SEND_OPC_INFORMATION typedef enum _CDROM_OPC_INFO_TYPE { SimpleOpcInfo = 1 } CDROM_OPC_INFO_TYPE, *PCDROM_OPC_INFO_TYPE; typedef struct _CDROM_SIMPLE_OPC_INFO { CDROM_OPC_INFO_TYPE RequestType; BOOLEAN Exclude0; BOOLEAN Exclude1; } CDROM_SIMPLE_OPC_INFO, *PCDROM_SIMPLE_OPC_INFO; // for IOCTL_CDROM_GET_PERFORMANCE typedef enum _CDROM_PERFORMANCE_REQUEST_TYPE { CdromPerformanceRequest = 1, CdromWriteSpeedRequest = 2 } CDROM_PERFORMANCE_REQUEST_TYPE, *PCDROM_PERFORMANCE_REQUEST_TYPE; typedef enum _CDROM_PERFORMANCE_TYPE { CdromReadPerformance = 1, CdromWritePerformance = 2 } CDROM_PERFORMANCE_TYPE, *PCDROM_PERFORMANCE_TYPE; typedef enum _CDROM_PERFORMANCE_EXCEPTION_TYPE { CdromNominalPerformance = 1, CdromEntirePerformanceList = 2, CdromPerformanceExceptionsOnly = 3 } CDROM_PERFORMANCE_EXCEPTION_TYPE, *PCDROM_PERFORMANCE_EXCEPTION_TYPE; typedef enum _CDROM_PERFORMANCE_TOLERANCE_TYPE { Cdrom10Nominal20Exceptions = 1 } CDROM_PERFORMANCE_TOLERANCE_TYPE, *PCDROM_PERFORMANCE_TOLERANCE_TYPE; typedef struct _CDROM_PERFORMANCE_REQUEST { CDROM_PERFORMANCE_REQUEST_TYPE RequestType; CDROM_PERFORMANCE_TYPE PerformanceType; CDROM_PERFORMANCE_EXCEPTION_TYPE Exceptions; CDROM_PERFORMANCE_TOLERANCE_TYPE Tolerance; ULONG StaringLba; } CDROM_PERFORMANCE_REQUEST, *PCDROM_PERFORMANCE_REQUEST; typedef struct _CDROM_WRITE_SPEED_REQUEST { CDROM_PERFORMANCE_REQUEST_TYPE RequestType; } CDROM_WRITE_SPEED_REQUEST, *PCDROM_WRITE_SPEED_REQUEST; typedef struct _CDROM_PERFORMANCE_HEADER { UCHAR DataLength[4]; UCHAR Except:1; UCHAR Write:1; UCHAR Reserved1:6; UCHAR Reserved2[3]; UCHAR Data[0]; } CDROM_PERFORMANCE_HEADER, *PCDROM_PERFORMANCE_HEADER; typedef struct _CDROM_NOMINAL_PERFORMANCE_DESCRIPTOR { UCHAR StartLba[4]; UCHAR StartPerformance[4]; UCHAR EndLba[4]; UCHAR EndPerformance[4]; } CDROM_NOMINAL_PERFORMANCE_DESCRIPTOR, *PCDROM_NOMINAL_PERFORMANCE_DESCRIPTOR; typedef struct _CDROM_EXCEPTION_PERFORMANCE_DESCRIPTOR { UCHAR Lba[4]; UCHAR Time[2]; } CDROM_EXCEPTION_PERFORMANCE_DESCRIPTOR, *PCDROM_EXCEPTION_PERFORMANCE_DESCRIPTOR; typedef struct _CDROM_WRITE_SPEED_DESCRIPTOR { UCHAR MixedReadWrite:1; UCHAR Exact:1; UCHAR Reserved1:1; UCHAR WriteRotationControl:2; UCHAR Reserved2:3; UCHAR Reserved3[3]; UCHAR EndLba[4]; UCHAR ReadSpeed[4]; UCHAR WriteSpeed[4]; } CDROM_WRITE_SPEED_DESCRIPTOR, *PCDROM_WRITE_SPEED_DESCRIPTOR; #ifdef __cplusplus } #endif #endif /* _NTDDCDRM_ */