Alon,
My printer driver can write the printing raw data into virtIO driver. But I
cannot see the found the printing raw data in the spice server. For the
vdagent, I found the following code segment which is a callback to read the
data from the vdi_port. Do I need to add a similar code to read the data from
the Virtio?
In Qemu, I do see vmc_write is called when the printer driver writes the
printing raw data into the virtIOdevice.
Consequently, function "spicevmc_red_channel_send_item" should be called to
send the payload to the spice client. But I did not see function
"spicevmc_red_channel_send_item" is called either. It looks like the printing
rawa data is still inside the VirtIO queue. What function I need to add so as
to pull the data out of the VirtIO queue?
=======================================================================================
struct SpiceCharDeviceState vdagent_char_device_state = {
.wakeup = &vdagent_char_device_wakeup,
};
void vdagent_char_device_wakeup(SpiceCharDeviceInstance *sin)
{
while (read_from_vdi_port());
}
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