On 7/31/24 4:02 PM, Doug Miller wrote: > I am working on SR-IOV support for a new adapter which has shared > resources between the PF and VFs and requires an out-of-band (outside > the adapter) communication mechanism to manage those resources. I have > been looking at RPMSG as a mechanism to communicate between the driver > on a guest (VM) and the driver on the host OS (which "owns" the > resources). It appears to me that virtio is intended for communication > between guests and host, and RPMSG over virtio is what I want to use. > > Can anyone confirm that RPMSG is capable of doing what we need? If so, > I'll need some help figuring out how to use that from kernel device > drivers (I've not been able to find any examples of doing the > service/device side). If not, is there some other facility that is > better suited? Hi Bjorn and Mathieu, any advice here for Doug? Adding linux-rdma folks as that is where this will eventually target. -Denny