Specifically does this image (from sky130_fd_io) represent the layout of the sky130_ef_oi_gpiov2_pad ?

Yes, it does. The "EF" version of the pad is just a simple wrapper around the foundry version of the pad, so that we could get all of the control pins on a grid and layers compatible with the router. Otherwise, it is exactly the same cell. I have done a lot of work to get the layout to extract cleanly. I only got a version I was happy with about two weeks ago. If you have a version of the PDK installed by

open_pdks

from recent weeks, then the SPICE netlist for the GPIO pad should be both correct and simulatable; the magic

.mag

version of the pad should also extract cleanly from magic and simulate correctly.

Fantastic. Thank you Tim!