* etmartin101 (etmartin101@xxxxxxxxx) wrote: > Part of the project I'm working on, we are looking at extending the > device assignment capabilities to provide support for PCIe AER. How did you plan to do this? Right now we only provide PCI capabilities (not Extended Capabilities). > Ideally, the host would register for AER (for every assigned > devices) and pass them up to Qemu. This should be so for devices iff they support AER to begin with. Having proper chipset support in QEMU (PCIe + AER) also a step. > As of now, one of the problem is that KVM is not a driver for the > assigned devices. I've seen Chris's slides from KVM conf 2010 but I > haven't seen any patches or discussion on that topic... > > On another front, I've seen the work from Michael around 'uio_pci_generic' > and some of his comments: > " It's expected that more features of interest to virtualization will be > added to this driver in the future. Possibilities are: mmap for device > resources, MSI/MSI-X, eventfd (to interface with kvm), iommu." > > I think that extending 'uio_pci_generic' to support AER is > relatively straight forward (assuming eventfd support from UIO). Did you look at VFIO? thanks, -chris -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
