cryptodev: introduce a new is_used property
This property is used to Tag the cryptodev backend
is used by virtio-crypto or not. Making cryptodev
can't be hot unplugged when it's in use. Cleanup
resources when cryptodev is finalized.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index f872c87..6318fcf 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -799,6 +799,7 @@
}
virtio_crypto_init_config(vdev);
+ cryptodev_backend_set_used(vcrypto->cryptodev, true);
}
static void virtio_crypto_device_unrealize(DeviceState *dev, Error **errp)
@@ -818,6 +819,7 @@
g_free(vcrypto->vqs);
virtio_cleanup(vdev);
+ cryptodev_backend_set_used(vcrypto->cryptodev, false);
}
static const VMStateDescription vmstate_virtio_crypto = {
