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authorAlex Bennée <alex.bennee@linaro.org>2024-01-04 21:09:36 +0000
committerMichael S. Tsirkin <mst@redhat.com>2024-02-14 06:01:42 -0500
commit64a312a2737e3aab97f103b76f8e76a97770e670 (patch)
tree67eefa9774a82bb6d06bd18e088c5b20e2a06016 /hw/virtio
parent6275989647efb708f126eb4f880e593792301ed4 (diff)
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hw/virtio: convert vhost-user-base to async shutdown
We are about to convert at least one stubs which was using the async teardown so lets use it for all the cases. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240104210945.1223134-3-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio')
-rw-r--r--hw/virtio/vhost-user-base.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/hw/virtio/vhost-user-base.c b/hw/virtio/vhost-user-base.c
index 620fa5c..78cfa9a 100644
--- a/hw/virtio/vhost-user-base.c
+++ b/hw/virtio/vhost-user-base.c
@@ -201,6 +201,8 @@ static int vub_connect(DeviceState *dev)
return 0;
}
+static void vub_event(void *opaque, QEMUChrEvent event);
+
static void vub_disconnect(DeviceState *dev)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@@ -211,9 +213,13 @@ static void vub_disconnect(DeviceState *dev)
}
vub->connected = false;
- if (vhost_dev_is_started(&vub->vhost_dev)) {
- vub_stop(vdev);
- }
+ vub_stop(vdev);
+ vhost_dev_cleanup(&vub->vhost_dev);
+
+ /* Re-instate the event handler for new connections */
+ qemu_chr_fe_set_handlers(&vub->chardev,
+ NULL, NULL, vub_event,
+ NULL, dev, NULL, true);
}
static void vub_event(void *opaque, QEMUChrEvent event)
@@ -230,7 +236,9 @@ static void vub_event(void *opaque, QEMUChrEvent event)
}
break;
case CHR_EVENT_CLOSED:
- vub_disconnect(dev);
+ /* defer close until later to avoid circular close */
+ vhost_user_async_close(dev, &vub->chardev, &vub->vhost_dev,
+ vub_disconnect, vub_event);
break;
case CHR_EVENT_BREAK:
case CHR_EVENT_MUX_IN: