virtual disk on W2K

Hello All,

I have a virtual disk driver, which has been developed for NT4 based on the
RAM-DISK sample. After minor changes this seems to work in W2K as well.
This virtual disk needs only to be supported by my own file system, so my
question is: Do I need to implement any of the PNP or PM IRPs? Loading and
unloading of disk and FSD works fine. But what is the RECOMMENDED way to
implement such virtual devices under W2K?

Many thanks for any hints and/or pointers.

Detlef