The Linux SCSI subsystem in 2.4 HOWTO Prev Appendix D. Compile options and System calls including ioctls Next D.3. sr driver D.3.1. sr compile options None. D.3.2. sr ioctls and user interface See the following files: /usr/src/linux/include/linux/cdrom.h /usr/src/linux/drivers/cdrom/cdrom.c [revision history section] /usr/src/linux/Documentation/cdrom/cdrom-standard.tex Some of the following ioctls are described in cdrom-standard.tex : CDROMCLOSETRAY CDROM_SET_OPTIONS CDROM_CLEAR_OPTIONS CDROM_SELECT_SPEED CDROM_SELECT_DISC CDROM_MEDIA_CHANGED CDROM_DRIVE_STATUS CDROM_CHANGER_NSLOTS CDROM_LOCKDOOR CDROM_DEBUG CDROM_GET_CAPABILITY DVD_READ_STRUCT DVD_WRITE_STRUCT DVD_AUTH CDROM_SEND_PACKET CDROM_NEXT_WRITABLE CDROM_LAST_WRITTEN The O_NONBLOCK flag on the open() of scd devices is important. Without it the open() will wait until there is media in the device before returning. open() O_NONBLOCK close() read() write() ioctl() Prev Home Next sd driver Up st driver