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virtio-serial: Propagate errors in initialising ports / devices in guest

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If adding of ports or devices in the guest fails we can send out a QMP
event so that management software can deal with it.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Amit Shah 2010-04-27 18:04:03 +05:30 committed by Anthony Liguori
parent 71c092e92b
commit 4048c7c321
1 changed files with 10 additions and 0 deletions
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10
hw/virtio-serial-bus.c
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@ -223,6 +223,11 @@ static void handle_control_message(VirtIOSerial *vser, void *buf)
switch(cpkt.event) { switch(cpkt.event) {
case VIRTIO_CONSOLE_DEVICE_READY: case VIRTIO_CONSOLE_DEVICE_READY:
if (!cpkt.value) {
error_report("virtio-serial-bus: Guest failure in adding device %s\n",
vser->bus->qbus.name);
break;
}
/* /*
* The device is up, we can now tell the device about all the * The device is up, we can now tell the device about all the
* ports we have here. * ports we have here.
@ -233,6 +238,11 @@ static void handle_control_message(VirtIOSerial *vser, void *buf)
break; break;
case VIRTIO_CONSOLE_PORT_READY: case VIRTIO_CONSOLE_PORT_READY:
if (!cpkt.value) {
error_report("virtio-serial-bus: Guest failure in adding port %u for device %s\n",
port->id, vser->bus->qbus.name);
break;
}
/* /*
* Now that we know the guest asked for the port name, we're * Now that we know the guest asked for the port name, we're
* sure the guest has initialised whatever state is necessary * sure the guest has initialised whatever state is necessary