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

[thibaut noah]

Hum, the card is already linked to vfio-pci with the script you gave me,
did i miss something?

2016-01-15 11:55 GMT+01:00 Quentin Deldycke <quentindeldycke at gmail.com>:

> If it is the case, try to boot with the card directly binded to vfio-pci.
> I think on aw blog there is an explenation on how to do it.
> (I don't use such, i manage other ways :P But to blacklist xhci is a bad
> idea for you i think.)
>
>
>
> --
> Deldycke Quentin
>
>
> On 15 January 2016 at 11:42, thibaut noah <thibaut.noah at gmail.com> wrote:
>
>> Hum, the card doesn't need linux support right? Since it will only be use
>> by the vm
>>
>> 2016-01-15 11:41 GMT+01:00 Quentin Deldycke <quentindeldycke at gmail.com>:
>>
>>> Don't know if these things are affected by pci reset.
>>>
>>> I did not encounter such problems.
>>>
>>> --
>>> Deldycke Quentin
>>>
>>>
>>> On 15 January 2016 at 11:40, thibaut noah <thibaut.noah at gmail.com>
>>> wrote:
>>>
>>>> Seems that i cannot boot the vm with the card attached through the xml
>>>> file in libvirt, i stay on the loading screen (tianocore whathever).
>>>> Anybody knows this issue?
>>>>
>>>> 2016-01-15 10:59 GMT+01:00 thibaut noah <thibaut.noah at gmail.com>:
>>>>
>>>>> 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 <quentindeldycke at 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.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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