Re: [Qemu-devel] [PATCH 2/3] s390x/css: advertise unrestricted cssids

[Cornelia Huck <cohuck@redhat.com>]

On Mon, 4 Dec 2017 16:07:27 +0100
Halil Pasic <pasic@linux.vnet.ibm.com> wrote:

> On 12/04/2017 12:15 PM, Cornelia Huck wrote:
> > On Fri,  1 Dec 2017 15:31:35 +0100
> > Halil Pasic <pasic@linux.vnet.ibm.com> wrote:
> >   
> >> Let us advertise the changes introduced by "s390x/css: unrestrict cssids"
> >> to the management software (so it can tell are cssids unrestricted or
> >> restricted).
> >>
> >> Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
> >> ---
> >>
> >> Boris says having the property on the virtual-css-bridge is good form
> >> Libvirt PoV. @Shalini: could you verify that things work out fine
> >> (provided we get at least a preliminary blessing from Connie).
> >>
> >> Consider squashing into "s390x/css: unrestrict cssids".
> >> ---
> >>  hw/s390x/css-bridge.c | 11 +++++++++++
> >>  1 file changed, 11 insertions(+)
> >>
> >> diff --git a/hw/s390x/css-bridge.c b/hw/s390x/css-bridge.c
> >> index c4a9735d71..c7e8998680 100644
> >> --- a/hw/s390x/css-bridge.c
> >> +++ b/hw/s390x/css-bridge.c
> >> @@ -123,6 +123,11 @@ static Property virtual_css_bridge_properties[] = {
> >>      DEFINE_PROP_END_OF_LIST(),
> >>  };
> >>  
> >> +static bool prop_get_true(Object *obj, Error **errp)
> >> +{
> >> +    return true;
> >> +}
> >> +
> >>  static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
> >>  {
> >>      HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
> >> @@ -131,6 +136,12 @@ static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
> >>      hc->unplug = ccw_device_unplug;
> >>      set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
> >>      dc->props = virtual_css_bridge_properties;
> >> +    object_class_property_add_bool(klass, "cssid-unrestricted",
> >> +                                   prop_get_true, NULL, NULL);
> >> +    object_class_property_set_description(klass, "cssid-unrestricted",
> >> +            "A css device can use any  cssid, regardless whether virtual"  
> > 
> > extra space -----------------------------^
> >   
> 
> Nod.
> 
> >> +            " or not (read only, always true)",  
> 
> Do we need "." here ----------------------------^ ?

None of the other descs do that.

> 
> >> +            NULL);
> >>  }
> >>  
> >>  static const TypeInfo virtual_css_bridge_info = {  
> > 
> > Looks reasonable. If this works as expected, I'll squash it into the
> > previous patch.
> >   
> 
> I've just asked Shalini to verify the libvirt perspective.
> 
> Supposed we verify this works as expected, I read I don't have to spin
> a v2 and you are going to fix the issues found yourself. Right?

I'd prefer a v2 that I can simply apply. Let's wait for some more
acks/r-bs.