- dev: The device (e.g. /dev/sda2).
- start: Start position (in MB) of the partition to create.
- end: End position (in MB) of the partition to create.
- type: type of the partition (CFDiskIO::PT_PRIMARY, CFDiskIO::PT_EXTENDED, CFDiskIO::PT_LOGICAL, CFDiskIO::PT_EFI)
- Physical partition number of the new partition.