On Wed, Jan 27, 2021 at 10:17:56PM +0000, Saleem, Shiraz wrote: > Even with another core PCI driver, there still needs to be private > communication channel between the aux rdma driver and this PCI > driver to pass things like QoS updates. Data pushed from the core driver to its aux drivers should either be done through new callbacks in a struct device_driver or by having a notifier chain scheme from the core driver. Jason