>
> Hi
> On Mon, Aug 20, 2018 at 2:06 PM Frediano Ziglio <fziglio@xxxxxxxxxx> wrote:
> >
> > Without proper testing I would say Nack.
> > I though we agreed on this.
>
> I have done manual testing. We don't have any smartcard channel test
> in spice, afaik.
>
> What you asked me about disabling the device from the guest is
> unrelated to this change imho.
>
> Please reconsider merging this, it is not changing any current logic,
> just informing qemu about channel state to avoid useless work.
>
After an internal chat and some tests,
Acked-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
Frediano
> >
> > Frediano
> >
> > >
> > > ping
> > > On Tue, Aug 7, 2018 at 5:27 PM <marcandre.lureau@xxxxxxxxxx> wrote:
> > > >
> > > > From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> > > >
> > > > Follow all other char devices implementation (spicevmc, agent,
> > > > stream-device) and set the char device state when
> > > > connected/disconnected. This allows qemu to discard writes, optimize a
> > > > bit the source polling, and will trigger HUP events.
> > > >
> > > > See related qemu "char/spice: discard write() if backend is
> > > > disconnected".
> > > >
> > > > Note: sif->state() should probably be handled at the char-device
> > > > level. I am not sure what the smartcard channel really brings over
> > > > plain spicevmc...
> > > >
> > > > Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> > > > ---
> > > > server/smartcard.c | 15 +++++++++++++++
> > > > 1 file changed, 15 insertions(+)
> > > >
> > > > diff --git a/server/smartcard.c b/server/smartcard.c
> > > > index 2cb68e06..403805a8 100644
> > > > --- a/server/smartcard.c
> > > > +++ b/server/smartcard.c
> > > > @@ -343,6 +343,11 @@ void
> > > > smartcard_char_device_attach_client(SpiceCharDeviceInstance
> > > > *char_device,
> > > > dev->priv->scc = NULL;
> > > > smartcard_channel_client_set_char_device(scc, NULL);
> > > > red_channel_client_disconnect(RED_CHANNEL_CLIENT(scc));
> > > > + } else {
> > > > + SpiceCharDeviceInterface *sif =
> > > > spice_char_device_get_interface(char_device);
> > > > + if (sif->state) {
> > > > + sif->state(char_device, 1);
> > > > + }
> > > > }
> > > > }
> > > >
> > > > @@ -373,11 +378,21 @@ gboolean
> > > > smartcard_char_device_notify_reader_remove(RedCharDeviceSmartcard *dev)
> > > > void smartcard_char_device_detach_client(RedCharDeviceSmartcard
> > > > *smartcard,
> > > > SmartCardChannelClient *scc)
> > > > {
> > > > + SpiceCharDeviceInterface *sif;
> > > > + SpiceCharDeviceInstance *sin;
> > > > +
> > > > + g_object_get(smartcard, "sin", &sin, NULL);
> > > > + sif = spice_char_device_get_interface(sin);
> > > > +
> > > > spice_assert(smartcard->priv->scc == scc);
> > > > red_char_device_client_remove(RED_CHAR_DEVICE(smartcard),
> > > > red_channel_client_get_client(RED_CHANNEL_CLIENT(scc)));
> > > > smartcard_channel_client_set_char_device(scc, NULL);
> > > > smartcard->priv->scc = NULL;
> > > > +
> > > > + if (sif->state) {
> > > > + sif->state(sin, 0);
> > > > + }
> > > > }
> > > >
> > > > SmartCardChannelClient*
> > > > smartcard_char_device_get_client(RedCharDeviceSmartcard *smartcard)
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