#! /bin/bash

BASE=${1:?"base directory missing (eg. /dev)"}

rm -f ${BASE}/xhd[abcdefghijklmnop]*
rm -f ${BASE}/xsd[abcdefghijklmnop]*
rm -f ${BASE}/xvd[abcdefghijklmnop]*

# XLVIRT is 16 devices of 15 partitions

LETTERS="a b c d e f g h i j k l m n o p"
PARTITIONS="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15"

j=0
for l in ${LETTERS}; do
    mknod ${BASE}/xvd${l} b 125 ${j}
    for i in ${PARTITIONS}; do
        mknod ${BASE}/xvd${l}${i} b 125 $(($i+$j))
    done
    j=$(($j+16))
done