[Unit]
Description=Configure grub iommu -pt
ConditionPathExists=/var/tmp/first-boot-nv-iommu

[Service]
Type=oneshot
ExecStartPre=/bin/rm /var/tmp/first-boot-nv-iommu
ExecStart=/usr/sbin/configure-iommu.bash

[Install]
WantedBy=multi-user.target