#!/bin/sh
# /usr/local/sbin/hotswap
# Rob Russell - 10 Nov 2000 - handle hotswapping of IDE modules
# This script is in some serious need of errorckecking.

# The syncs are there more for insurance than anything else.  I'm a 
# suspicious person.

# This script is distributed under the license terms of the GNU General
# Public License, whichever version the Licensee chooses.

case "$1" in
  floppy)
	echo "floppy module has been initialized."
	;;
  cdrom)
	sync ; sync ; sync ; sync
	insmod cdrom	# Only needed for RedHat's Linux 2.4 kernels
	insmod ide-cd
	ln -s /dev/hdc /dev/cdrom
	sync ; sync ; sync ; sync
	echo "CDROM module has been initialized."
	;;
  dvd)
	sync ; sync ; sync ; sync
	insmod cdrom	# Only needed for RedHat's Linux 2.4 kernels
	insmod ide-cd
	ln -s /dev/hdc /dev/cdrom
	ln -s /dev/hdc /dev/dvd
	hdparm -d 1 /dev/hdc
	sync ; sync ; sync ; sync
	echo "DVD module has been initialized."
	;;
  burner)
	sync ; sync ; sync ; sync
	insmod cdrom	# Only needed for RedHat's Linux 2.4 kernels
	insmod scsi_mod	# Only needed for RedHat's Linux 2.4 kernels
	insmod ide-scsi
	ln -s /dev/scd0 /dev/cdrom
	sync ; sync ; sync ; sync
	echo "CDRW module has been initialized."
	;;
  eject)
	sync ; sync ; sync ; sync
	umount /mnt/cdrom
	umount /mnt/floppy
	sync ; sync ; sync ; sync
	rm /dev/cdrom
	rm /dev/dvd
	sync ; sync ; sync ; sync
	rmmod ide-cd
	rmmod ide-scsi
	rmmod cdrom	# Only needed for RedHat's Linux 2.4 kernels
	rmmod scsi_mod	# Only needed for RedHat's Linux 2.4 kernels
	sync ; sync ; sync ; sync
	echo "The bay is now ready to be ejected.  I hope."
	apm -s
	;;
  unload)
        sync ; sync ; sync ; sync
        umount /mnt/cdrom
        umount /mnt/floppy
        sync ; sync ; sync ; sync
        rm /dev/cdrom
	rm /dev/dvd
        sync ; sync ; sync ; sync
        rmmod ide-cd
        rmmod ide-scsi
	rmmod cdrom	# Only needed for RedHat's Linux 2.4 kernels
	rmmod scsi_mod	# Only needed for RedHat's Linux 2.4 kernels
        sync ; sync ; sync ; sync
        echo "The modules are now unloaded."
        ;;
  *)
	echo "Usage: $0 {floppy|cdrom|burner|dvd|eject|unload}"
	echo
	echo "  floppy : Initializes a Floppy module"
	echo "  cdrom  : Initializes a CDROM module"
	echo "  burner : Initializes a CDRW module"
	echo "  dvd    : Initializes a DVD module"
	echo "  eject  : Unloads modules so a bay can be ejected"
	echo "  unload : Unloads modules so you can change a drive's mode"
	exit 1
esac