include/ntos/cdrom.h

   1 /* $Id$
   2  *
   3  * COPYRIGHT:    See COPYING in the top level directory
   4  * PROJECT:      ReactOS kernel
   5  * FILE:         include/ntos/cdrom.h
   6  * PURPOSE:      CD-ROM related definitions used by all the parts of the system
   7  * PROGRAMMER:   Eric Kohl <ekohl@rz-online.de>
   8  * UPDATE HISTORY:
   9  *               10/04/2002: Created
  10  */
  11
  12 #ifndef __INCLUDE_NTOS_CDROM_H
  13 #define __INCLUDE_NTOS_CDROM_H
  14
  15 #define IOCTL_CDROM_READ_TOC            CTL_CODE(FILE_DEVICE_CD_ROM, 0x0000, METHOD_BUFFERED, FILE_READ_ACCESS)
  16 #define IOCTL_CDROM_GET_LAST_SESSION    CTL_CODE(FILE_DEVICE_CD_ROM, 0x000E, METHOD_BUFFERED, FILE_READ_ACCESS)
  17 #define IOCTL_CDROM_GET_DRIVE_GEOMETRY  CTL_CODE(FILE_DEVICE_CD_ROM, 0x0013, METHOD_BUFFERED, FILE_READ_ACCESS)
  18 /* These are promised by W32 to s/IOCTL_CDROM_/IOCTL_STORAGE_/ in future:
  19  */
  20 #define IOCTL_CDROM_CHECK_VERIFY        CTL_CODE(FILE_DEVICE_CD_ROM, 0x0200, METHOD_BUFFERED, FILE_READ_ACCESS)
  21 #define IOCTL_CDROM_MEDIA_REMOVAL       CTL_CODE(FILE_DEVICE_CD_ROM, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS)
  22 #define IOCTL_CDROM_EJECT_MEDIA         CTL_CODE(FILE_DEVICE_CD_ROM, 0x0202, METHOD_BUFFERED, FILE_READ_ACCESS)
  23 #define IOCTL_CDROM_LOAD_MEDIA          CTL_CODE(FILE_DEVICE_CD_ROM, 0x0203, METHOD_BUFFERED, FILE_READ_ACCESS)
  24 #define IOCTL_CDROM_RESERVE             CTL_CODE(FILE_DEVICE_CD_ROM, 0x0204, METHOD_BUFFERED, FILE_READ_ACCESS)
  25 #define IOCTL_CDROM_RELEASE             CTL_CODE(FILE_DEVICE_CD_ROM, 0x0205, METHOD_BUFFERED, FILE_READ_ACCESS)
  26 #define IOCTL_CDROM_FIND_NEW_DEVICES    CTL_CODE(FILE_DEVICE_CD_ROM, 0x0206, METHOD_BUFFERED, FILE_READ_ACCESS)
  27
  28 #define MAXIMUM_NUMBER_TRACKS           100
  29 #define MAXIMUM_CDROM_SIZE              804
  30
  31 #define TOC_DATA_TRACK  0x04    /* TRACK_DATA.Control */
  32 #define TOC_LAST_TRACK  0xAA    /* TRACK_DATA.TrackNumber */
  33
  34 typedef struct _TRACK_DATA {
  35   UCHAR  Reserved;
  36   UCHAR  Control : 4;   /* bitfield; 0 || TOC_DATA_TRACK */
  37   UCHAR  Adr : 4;       /* Q-subchannel info */
  38   UCHAR  TrackNumber;   /* CDROM_TOC.FirstTrack or TOC_LAST_TRACK on last+1 track CDROM_TOC.TrackData[CDROM_TOC.LastTrack-1] */
  39   UCHAR  Reserved1;
  40   UCHAR  Address[4];    /* big-endian LBA address for TOC_DATA_TRACK; MSF (sometimes BCD-MSF) for audio */
  41 } TRACK_DATA, *PTRACK_DATA;
  42
  43 typedef struct _CDROM_TOC {
  44   UCHAR  Length[2];     /* <='sizeof(CDROM_TOC)-2' or less; it does not count 'Length' itself; little-endian */
  45   UCHAR  FirstTrack;    /* based anywhere */
  46   UCHAR  LastTrack;     /* last TrackData has TOC_LAST_TRACK; 'LastTrack-FirstTrack+1' is the count */
  47   TRACK_DATA  TrackData[MAXIMUM_NUMBER_TRACKS];
  48 } CDROM_TOC, *PCDROM_TOC;
  49
  50 #define CDROM_TOC_SIZE sizeof(CDROM_TOC)
  51
  52
  53
  54 #endif /* __INCLUDE_NTOS_CDROM_H */
  55
  56 /* EOF */