On Thu, 2014-10-02 at 09:42 -0600, Bruce Cran wrote: > On 10/2/2014 8:25 AM, Alex Williamson wrote: > > What's the device you're trying to assign and the scripts you're using > > to do so? vfio-pci is fully supported, but I'd recommend a kernel newer > > than 3.11 (maybe a newer QEMU too, you didn't specify a version) unless > > openSUSE is specifically pulling vfio features and fixes into their > > distro. vfio does work with OVMF, most of the testing of this is with > > GPU assignment. It does require an OVMF image built from a fairly > > recent tree (not more than a few months old), but if you're getting into > > the guest OS you're probably fine. Provide more details and I can try > > to help. > > Thanks, the device is a mass storage device that I work on; it's in > iommu group 1 so the script I'm running is: > > for i in $(ls /sys/kernel/iommu_groups/1/devices/); do > echo $i | sudo tee \ > /sys/kernel/iommu_groups/1/devices/$i/driver/unbind > VEN=$(cat /sys/kernel/iommu_groups/1/devices/$i/vendor) > DEV=$(cat /sys/kernel/iommu_groups/1/devices/$i/device) > echo $VEN $DEV | sudo tee \ > /sys/bus/pci/drivers/vfio-pci/new_id > done If you have reasonably new libvirt, you can just do this via virsh: virsh nodedev-detach pci_0000_01_00_0 --driver vfio (for example, assuming a pci address of 0000:01:00.0) > I started out trying to use the version of qemu that openSUSE provides > which is 1.6.2 but I also built 2.1.2 from source and that didn't help. > In terms of OVMF, I've tried an OVMF-pure-efi.fd binary from > https://www.kraxel.org/repos/jenkins/edk2/ as well as building a debug > OVMF.fd binary from the edk2 project > (https://github.com/tianocore/edk2/commit/23a2df76783ad7694918916f28e24cd1a1f84daf). That should be fine, that's where I get OVMF from too. > If you think it might help, I can certainly install a newer kernel. Yes, try on 3.16 with QEMU 2.1 and let's go from there. Thanks, Alex -- 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
