On Thu, Dec 21, 2023 at 03:07:22PM +0000, Dragos Tatulea wrote: > > > > In that case you're right, we don't need feature flags. But I think it > > > > would be great to also move the error return in case userspace tries > > > > to modify vq parameters out of suspend state. > > > > > > > On the driver side or on the core side? > > > > > > > Core side. > > > Checking my understanding: instead of the feature flags there would be a check > (for .set_vq_addr and .set_vq_state) to return an error if they are called > under > DRIVER_OK and not suspended state?
Yea this looks much saner, if we start adding feature flags for each OPERATION_X_LEGAL_IN_STATE_Y then we will end up with N^2 feature bits which is not reasonable. -- MST
