>From 3baf76e384c04f58f032632c078860d66c8c9db3 Mon Sep 17 00:00:00 2001

From: Hans de Goede <hdegoede@redhat.com>

Date: Fri, 18 Mar 2011 15:30:45 +0100

Subject: [PATCH 16/17] virtio-console: notify backend of guest open / close

Signed-off-by: Hans de Goede <hdegoede@redhat.com>

---

 hw/virtio-console.c |   18 ++++++++++++++++++

 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/hw/virtio-console.c b/hw/virtio-console.c

index eecbdf7..828a1a3 100644

--- a/hw/virtio-console.c

+++ b/hw/virtio-console.c

@@ -37,6 +37,22 @@ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len)

     return qemu_chr_write(vcon->chr, buf, len);

 }

+/* Callback function that's called when the guest opens the port */

+static void guest_open(VirtIOSerialPort *port)

+{

+    VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);

+

+    qemu_chr_guest_open(vcon->chr);

+}

+

+/* Callback function that's called when the guest closes the port */

+static void guest_close(VirtIOSerialPort *port)

+{

+    VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);

+

+    qemu_chr_guest_close(vcon->chr);

+}

+

 /* Readiness of the guest to accept data on a port */

 static int chr_can_read(void *opaque)

 {

@@ -81,6 +97,8 @@ static int generic_port_init(VirtConsole *vcon, VirtIOSerialDevice *dev)

     if (vcon->chr) {

         qemu_chr_add_handlers(vcon->chr, &chr_handlers, vcon);

         vcon->port.info->have_data = flush_buf;

+        vcon->port.info->guest_open = guest_open;

+        vcon->port.info->guest_close = guest_close;

     }

     return 0;

 }

-- 

1.7.3.2