[ofw] [RFC] ib cm: export CM only interface

[Fab Tillier]

> The interface is a direct call, callback interface.  It avoids thread
> context switching to better support an IOCTL based consumer.  The
> interface will immediately be used by WinVerbs for RDMA CM support,
> and may later be used by a libibcm compatibility library.

Are you planning on breaking out the IRP queueing from the CEP manager (and require callback use?)

-Fab