struct gdrom_session {

     int track;

     unsigned int lba;

 };

 struct gdrom_track {

     int mode;

     unsigned int lba;

 };

 struct gdrom_toc {

     struct gdrom_track track[99];

     unsigned int first_lba;

     unsigned int last_lba;

     unsigned int leadout_lba;

 };

 int ide_init();

 int ide_test_ready();

 int ide_sense_error( char *buf );

 /**

  * Retrieve session information. If session == 0, returns the

  * end-of-disc information instead.

  */

 int ide_get_session( int session, struct gdrom_session *session_data );

 /**

  * Read 1 or more sectors in PIO mode

  */

 int ide_read_sector_pio( unsigned int sector, unsigned int count, int mode,

 			 char *buf, int length );

 int ide_read_sector_dma( unsigned int sector, unsigned int count, int mode,

 			 char *buf, int length );