The pre-7.x compat for both native and 32-bit code was already in pci_user.c. Use this infrastructure to add implement 32-bit support. This is more correct as ioctl(2) commands only have meaning in the context of a file descriptor. Reviewed by: kib Approved by: re (gjb) Obtained from: CheriBSD Sponsored by: DARPA, AFRL Differential revision: https://reviews.freebsd.org/D17324