From e2ae6159de2482ee5e22532301eb7f2795828d07 Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Thu, 26 Jun 2014 17:50:02 +0200 Subject: virtio-serial: report frontend connection state via monitor Libvirt wants to know about the guest-side connection state of some virtio-serial ports (in particular the one(s) assigned to guest agent(s)). Report such states with a new monitor event. RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1080376 Signed-off-by: Laszlo Ersek Reviewed-by: Eric Blake Reviewed-by: Amit Shah Signed-off-by: Luiz Capitulino --- hw/char/virtio-console.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'hw/char') diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c index 6c8be0fe26..54eb15f3af 100644 --- a/hw/char/virtio-console.c +++ b/hw/char/virtio-console.c @@ -14,6 +14,7 @@ #include "qemu/error-report.h" #include "trace.h" #include "hw/virtio/virtio-serial.h" +#include "qapi-event.h" #define TYPE_VIRTIO_CONSOLE_SERIAL_PORT "virtserialport" #define VIRTIO_CONSOLE(obj) \ @@ -81,11 +82,16 @@ static ssize_t flush_buf(VirtIOSerialPort *port, static void set_guest_connected(VirtIOSerialPort *port, int guest_connected) { VirtConsole *vcon = VIRTIO_CONSOLE(port); + DeviceState *dev = DEVICE(port); - if (!vcon->chr) { - return; + if (vcon->chr) { + qemu_chr_fe_set_open(vcon->chr, guest_connected); + } + + if (dev->id) { + qapi_event_send_vserport_change(dev->id, guest_connected, + &error_abort); } - qemu_chr_fe_set_open(vcon->chr, guest_connected); } /* Readiness of the guest to accept data on a port */ -- cgit v1.2.3