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virtio-console: notify chardev when writable

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When the virtio serial is writable, notify the chardev backend
with qemu_chr_accept_input().

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2015-05-05 16:58:55 +02:00 committed by Gerd Hoffmann
parent ce0274f730
commit 246ca55faf
1 changed files with 10 additions and 0 deletions
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10
hw/char/virtio-console.c
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@ -95,6 +95,15 @@ static void set_guest_connected(VirtIOSerialPort *port, int guest_connected)
} }
} }
static void guest_writable(VirtIOSerialPort *port)
{
VirtConsole *vcon = VIRTIO_CONSOLE(port);
if (vcon->chr) {
qemu_chr_accept_input(vcon->chr);
}
}
/* Readiness of the guest to accept data on a port */ /* Readiness of the guest to accept data on a port */
static int chr_can_read(void *opaque) static int chr_can_read(void *opaque)
{ {
@ -188,6 +197,7 @@ static void virtserialport_class_init(ObjectClass *klass, void *data)
k->unrealize = virtconsole_unrealize; k->unrealize = virtconsole_unrealize;
k->have_data = flush_buf; k->have_data = flush_buf;
k->set_guest_connected = set_guest_connected; k->set_guest_connected = set_guest_connected;
k->guest_writable = guest_writable;
dc->props = virtserialport_properties; dc->props = virtserialport_properties;
} }