From 246ca55faff625f4c15e21f3424781e215a254ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@gmail.com>
Date: Tue, 5 May 2015 16:58:55 +0200
Subject: [PATCH] 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>
---
hw/char/virtio-console.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c
index 752ed2c3c8..2a867cb4e6 100644
--- a/hw/char/virtio-console.c
+++ b/hw/char/virtio-console.c
@@ -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 */
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->have_data = flush_buf;
k->set_guest_connected = set_guest_connected;
+ k->guest_writable = guest_writable;
dc->props = virtserialport_properties;
}