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[Qemu-devel] [PATCH 2/2] virtio-console: chardev hotswap support
From: |
Denis V. Lunev |
Subject: |
[Qemu-devel] [PATCH 2/2] virtio-console: chardev hotswap support |
Date: |
Thu, 9 Feb 2017 18:25:34 +0300 |
From: Anton Nefedov <address@hidden>
Signed-off-by: Anton Nefedov <address@hidden>
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Paolo Bonzini <address@hidden>
CC: "Marc-André Lureau" <address@hidden>
CC: "Dr. David Alan Gilbert" <address@hidden>
---
hw/char/virtio-console.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c
index 798d9b6..4827219 100644
--- a/hw/char/virtio-console.c
+++ b/hw/char/virtio-console.c
@@ -163,6 +163,29 @@ static void chr_event(void *opaque, int event)
}
}
+static int chr_be_change(void *opaque)
+{
+ VirtConsole *vcon = opaque;
+ VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(vcon);
+ VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port);
+
+ if (k->is_console) {
+ qemu_chr_fe_set_handlers(&vcon->chr, chr_can_read, chr_read,
+ NULL, vcon, NULL, true);
+ } else {
+ qemu_chr_fe_set_handlers(&vcon->chr, chr_can_read, chr_read,
+ chr_event, vcon, NULL, false);
+ }
+ if (vcon->watch) {
+ g_source_remove(vcon->watch);
+ vcon->watch = qemu_chr_fe_add_watch(&vcon->chr,
+ G_IO_OUT | G_IO_HUP,
+ chr_write_unblocked, vcon);
+ }
+
+ return 0;
+}
+
static void virtconsole_realize(DeviceState *dev, Error **errp)
{
VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev);
@@ -194,6 +217,7 @@ static void virtconsole_realize(DeviceState *dev, Error
**errp)
qemu_chr_fe_set_handlers(&vcon->chr, chr_can_read, chr_read,
chr_event, vcon, NULL, false);
}
+ qemu_chr_fe_set_be_change_handler(&vcon->chr, chr_be_change);
}
}
--
2.7.4