thanks for the help, the output after launching the script is totally weird : new_id invalid argument bind no such device
But the kernel in use is vfio-pci, gonna try the vm asap, thanks for the help :) 2016-01-15 10:50 GMT+01:00 Quentin Deldycke <quentindeldy...@gmail.com>: > Ah no, sorry -_-' > > This is the vendor id / product id of the pci device. > > This part could be ommited, but not sure. I let it in the script so better > that it stay there =) > > -- > Deldycke Quentin > > > On 15 January 2016 at 10:48, thibaut noah <thibaut.n...@gmail.com> wrote: > >> Just so we're clear when you do echo "1b21 0612" | sudo tee -a >> /sys/bus/pci/drivers/vfio-pci/new_id >> you're creating a new id for the device in vfio-pci right? This number >> can be totally random? >> >> 2016-01-15 10:44 GMT+01:00 Quentin Deldycke <quentindeldy...@gmail.com>: >> >>> To do this dynamically, i use scripts which in sum do: >>> >>> Unbinding: >>> echo 0000:0a:00.0 | sudo tee >>> /sys/bus/pci/devices/0000:0a:00.0/driver/unbind >>> It means => on the driver actually used by 0000:0a:00.0, unbind the >>> device 0000:0a:00.0 >>> >>> Binding to vfio: >>> echo "1b21 0612" | sudo tee -a /sys/bus/pci/drivers/vfio-pci/new_id >>> echo "0000:0a:00:0" | sudo tee -a /sys/bus/pci/drivers/vfio-pci/bind >>> >>> >>> I use them for: >>> - nvme device >>> - sata controller >>> >>> You could do same for GPU. But actually, it break dpm, so you have >>> shitty performance. >>> It is usefull for me to bind back to host as the nvme device seems to be >>> lost with vfio-pci and host sleep. (can be recovered with loading nvme) >>> >>> -- >>> Deldycke Quentin >>> >>> >>> On 15 January 2016 at 10:37, thibaut noah <thibaut.n...@gmail.com> >>> wrote: >>> >>>> I actually have no clue about how to unbind the device from xhci driver >>>> and bind it to vfio. >>>> It was explain in some tutorials for graphic cards but not for other >>>> devices so i'm totally lost. >>>> >>>> >>>> 2016-01-15 10:35 GMT+01:00 Quentin Deldycke <quentindeldy...@gmail.com> >>>> : >>>> >>>>> There is no difference. >>>>> >>>>> lspci to find your card, you bind it to vfio-pci and use virt-manager >>>>> to add the card. >>>>> >>>>> Should work out of the box. Juste take care that this device is unbind >>>>> from your xhci driver on host. then binded to vfio-pci. >>>>> >>>>> Take care of the iommu groups like the graphic card. >>>>> >>>>> -- >>>>> Deldycke Quentin >>>>> >>>>> >>>>> On 15 January 2016 at 10:32, thibaut noah <thibaut.n...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hello, i'm currently trying to passthrough an usb card controler to >>>>>> solve my usb issues (like audio glitches on headset and allow plug and >>>>>> play), problem is it seems that no one did tutorials for this and i'm a >>>>>> bit >>>>>> lost, only tutorial i found was to passthrough an internal usb controler. >>>>>> Anybody got some documentation to share? >>>>>> >>>>>> _______________________________________________ >>>>>> vfio-users mailing list >>>>>> vfio-users@redhat.com >>>>>> https://www.redhat.com/mailman/listinfo/vfio-users >>>>>> >>>>>> >>>>> >>>> >>> >> >
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