[ovirt-users] USB Modem in a VM

[Itamar Heim]

On 01/15/2015 05:56 PM, VONDRA Alain wrote:
> Hi,
> Thank you for your answer, I've tried to insert my USB modem, but it doesn't up in the Windows VM.
> I've tried to insert via virt-manager without success, I can't apply the modification, however I see the modem using lsusb :
>
> lsusb
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 0624:0248 Avocent Corp. Virtual Hub Bus 001 Device 004: ID 0624:0249 Avocent Corp. Virtual Keyboard/Mouse Bus 002 Device 010: ID 0572:1321 Conexant Systems (Rockwell), Inc.
>
> I've unload the "cdc_acm" kernel module via rmmod without success.
> I've also tried to edit the xml appending the ID and VENDDOR tags :
>
>   <hostdev mode='subsystem' type='usb'>
>        <source>
>          <vendor id='0x0572'/>
>          <product id='0x1321'/>
>        </source>
>      </hostdev>
>
> Ut at the first load the config disappears...
> Do I need to restart the host or restart libvirtd services ?
>
> Thanks for your help
> Alain
>
>
>
> Alain VONDRA
> Chargé d'exploitation des Systèmes d'Information
> Direction Administrative et Financière
> +33 1 44 39 77 76
> UNICEF France
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>
>
>
>
> -----Message d'origine-----
> De : Alon Bar-Lev [mailto:alonbl at redhat.com]
> Envoyé : mardi 13 janvier 2015 17:47
> À : VONDRA Alain
> Cc : users at ovirt.org
> Objet : Re: [ovirt-users] USB Modem in a VM
>
>
>
> ----- Original Message -----
>> From: "VONDRA Alain" <AVONDRA at unicef.fr>
>> To: users at ovirt.org
>> Sent: Tuesday, January 13, 2015 5:55:01 PM
>> Subject: [ovirt-users]  USB Modem in a VM
>>
>>
>>
>> Hi,
>>
>> Can you tell me if I can use an USB modem through one of the
>> hypervisor hosts to a Windows VM ?
>>
>> I’d like to install a Windows Fax Server.
>>
>> Thank you for your answers.
>
>
> should be possible using qemu args: -usbdevice host:vendor_id:product_id
>
> in libvirt replace @VENDOR@ and @DEVICE@ to device specific properties:
>
> <domain type='kvm'>
>    <name>...</name>
>    …
>    <devices>
>      …
>      <hostdev mode='subsystem' type='usb'>
>        <source>
>          <vendor id='0x at VENDOR@'/>
>          <product id='0x at DEVICE@'/>
>        </source>
>      </hostdev>
>    </devices>
> </domain>
>
> if this option is not exposed in ui you can use vdsm-hooks[1] to modify the libvirt configuration and inject such device.
>
> Regards,
> Alon
>
> [1] http://www.ovirt.org/VDSM-Hooks
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please look at http://www.ovirt.org/VDSM-Hooks/hostusb