#!/sbin/ksh

# done as a function for clarity, and so code can be reverted to
# use real mknod for testing or other reasons.  install is used
# because it will not remake devices if they are already correct,
# and will preserve local modifications to ownership and modes.
mknod()
{
	install -root "" -rawidb "" -f . -m 600 -chr $3,$4 $1
}

mk_ctlrnumber()
{
	# construct scsi controller number part of minor number from hinv info
	number=$(( ($1 / 10) * 8 + $1 % 10)) 
}

set +e; /sbin/hinv | \
sed -n -e '/^Integral SCSI controller /'p -e '/^GIO SCSI controller /'p | \
sed 's/://g' | \
while read a scsi c ctlr d ; do
	mk_ctlrnumber $ctlr
	mknod scsi/bus$ctlr c 5 $number
	for targ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
	    for lun in 0; do
		min=$(( 128 * $number + 16 * $lun + $targ))
		mknod scsi/sc${ctlr}d${targ}l$lun c ${C_SCSI} $min 
	    done;
	done;
	set +e;
done

/sbin/hinv | grep lun | grep -v "PC Card" | grep -v "RAID" | sed 's/://g' | sed 's/,//g' | \
while read nm un targ l lun on scsi c ctlr rest; do
	mk_ctlrnumber $ctlr
	min=$(( 128 * $number + 16 * $lun + $targ));
	mknod scsi/sc${ctlr}d${targ}l${lun} c ${C_SCSI} $min
done

/sbin/hinv | grep 'PC Card.*lun' | sed 's/://g' | sed 's/,//g' | \
while read nm1 nm2 un targ l lun on scsi c ctlr rest; do
        mk_ctlrnumber $ctlr
        min=$(( 128 * $number + 16 * $lun + $targ))
        mknod scsi/sc${ctlr}d${targ}l${lun} c ${C_SCSI} $min
done

/sbin/hinv -c scsi | grep "RAID controller" | sed 's/://g' | \
while read raid cntr un targ on scsi c ctlr rest; do
    for lun in 1 2 3 4 5 6 7; do
	mk_ctlrnumber $ctlr
	min=$(( 128 * $number + 16 * $lun + $targ))
	mknod scsi/sc${ctlr}d${targ}l${lun} c ${C_SCSI} $min
    done
done

/sbin/hinv | sed 's/://g' | while read type unit ID on SCSI controller CTLR; do
	if [ "$type" = CDROM: ]; then
		mk_ctlrnumber $CTLR
		lun=0 min=$(( 128 * $number + 16 * $lun + $ID))
		mknod abi/cd_iso c ${C_SCSI} $min
		break
	fi
done