[libvirt-users] Reg: Adding "edu" device using XML file

[bharath paulraj]

Hello Han,

Thanks for your suggestions. I will check it out.

Regards,
Bharath

On Thu, Oct 24, 2019 at 6:17 AM Han Han <hhan at redhat.com> wrote:

>
>
> On Wed, Oct 23, 2019 at 4:27 PM bharath paulraj <bharathpaul at gmail.com>
> wrote:
>
>> Hello Han,
>>
>> Thanks for the response. The XML option with qemu:commandline works if
>> the device is added during the VM creation. But I would like to hot-plug
>> the device to the running VM. I can add the device using the command line
>> <virsh qemu-monitor-command --hmp VM-Name  device_add edu,id=edu0>
>>
>> But I would like to add the device using the XML file, like <virsh
>> attach-device VM-Name xmlfile.xml>. If the XML support is not provided in
>> libvirt, Is there a document or pointers available to show how to add new
>> device in libvirt xml code?
>>
>> ASAIK there is no development guide for adding new device in libvirt xml
> code.
> Maybe you can refer to former watchdog device patch series:
> https://www.redhat.com/archives/libvir-list/2009-October/msg00564.html
> https://www.redhat.com/archives/libvir-list/2017-September/msg00078.html
>
>> Thanks,
>> Bharath
>>
>> On Wed, Oct 23, 2019 at 12:57 PM Han Han <hhan at redhat.com> wrote:
>>
>>>
>>>
>>> On Tue, Oct 22, 2019 at 5:41 PM bharath paulraj <bharathpaul at gmail.com>
>>> wrote:
>>>
>>>> Hi Team,
>>>>
>>>> I am exploring "edu" device in QEMU to add my own custom device. I am
>>>> able to add the device using the command line. Would it be possible to add
>>>> the device using XML file through libvirt?
>>>>
>>> Hello, edu device is not implemented to libvirt xml. However you can use
>>> it via custom device in libvirt:
>>> Just define a domain like following:
>>> <domain type='qemu' xmlns:qemu='
>>> http://libvirt.org/schemas/domain/qemu/1.0'>
>>> ...
>>>  <qemu:commandline>
>>>    <qemu:arg value='-device'/>
>>> <qemu:arg value='edu'/>
>>>  </qemu:commandline>
>>> </domain>
>>>
>>> More reference: https://libvirt.org/drvqemu.html#qemucommand
>>>
>>>>
>>>>
>>> --
>>>> Regards,
>>>> Bharath
>>>> _______________________________________________
>>>> libvirt-users mailing list
>>>> libvirt-users at redhat.com
>>>> https://www.redhat.com/mailman/listinfo/libvirt-users
>>>
>>>
>>>
>>> --
>>> Best regards,
>>> -----------------------------------
>>> Han Han
>>> Quality Engineer
>>> Redhat.
>>>
>>> Email: hhan at redhat.com
>>> Phone: +861065339333
>>>
>>
>>
>> --
>> Regards,
>> Bharath
>>
>
>
> --
> Best regards,
> -----------------------------------
> Han Han
> Quality Engineer
> Redhat.
>
> Email: hhan at redhat.com
> Phone: +861065339333
>


-- 
Regards,
Bharath
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