Subject: Re: [PATCH 07/22] RDMA/irdma: Register an auxiliary driver and implement private channel OPs

From: Jason Gunthorpe <[email-masked]>
Date: Wed, 27 Jan 2021 19:16:41 -0400

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