[vfio-users] passthrough usb controler pci-e card ?

[Quentin Deldycke]

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.noah at 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 <quentindeldycke at 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.noah at 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 <quentindeldycke at 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.noah at 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 at redhat.com
>>>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>>>
>>>>>
>>>>
>>>
>>
>
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