[libvirt] [PATCHv3 1/3] domain_conf: Add USB controler model "none"

Peter Krempa pkrempa at redhat.com
Thu Aug 2 10:20:28 UTC 2012


On 08/02/12 11:00, Jiri Denemark wrote:
> On Mon, Jul 23, 2012 at 14:19:13 +0200, Peter Krempa wrote:
>> Libvirt adds a USB controller to the guest even if the user does not
>> specify any in the XML. This is due to back-compat reasons.
>>
>> To allow disabling USB for a guest this patch adds a new USB controller
>> type "none" that disables USB support for the guest.
>> ---
>> Diff to v2:
>> - added docs to formatdomain.hmtl
>> - changed error reporting functions to global ones
>> ---
>>   docs/formatdomain.html.in     |    6 +++-
>>   docs/schemas/domaincommon.rng |    1 +
>>   src/conf/domain_conf.c        |   55 ++++++++++++++++++++++++++++++++++++++++-
>>   src/conf/domain_conf.h        |    1 +
>>   src/qemu/qemu_command.c       |    3 +-
>>   5 files changed, 62 insertions(+), 4 deletions(-)
>>
> ...
>> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
>> index c53722a..cf3b1c4 100644
>> --- a/src/conf/domain_conf.c
>> +++ b/src/conf/domain_conf.c
> ...
>> @@ -9043,6 +9074,14 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
>>           if (!hostdev)
>>               goto error;
>>
>> +        if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB &&
>> +            usb_none) {
>> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
>> +                           _("Can't add USB device passthrough: "
>
> I think "Can't add host USB device" would better fit the name of the element.

Yep, those are indeed better than my try.

>
>> +                             "USB is disabled in this host"));
>> +            goto error;
>> +        }
>> +
>>           def->hostdevs[def->nhostdevs++] = hostdev;
>>       }
>>       VIR_FREE(nodes);
> ...
>> @@ -9128,6 +9174,13 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
>>           if (!redirdev)
>>               goto error;
>>
>> +        if (redirdev->bus == VIR_DOMAIN_REDIRDEV_BUS_USB && usb_none) {
>> +             virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
>> +                            _("Can't add USB redir device: "
>
> "Can't add redirected USB device" seems better to me.
>
>> +                              "USB is disabled for this domain"));
>> +            goto error;
>> +        }
>> +
>>           def->redirdevs[def->nredirdevs++] = redirdev;
>>       }
>>       VIR_FREE(nodes);
> ...
>
> ACK
>
> Jirka
>

I changed the error messages to those you suggested and changed the 
version statement docs/formatdomain.html.in to 0.10.0 and pushed with 
the rest of the series. Thanks for the review!

Peter




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