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-rw-r--r--hw/virtio/vhost-user-snd.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/hw/virtio/vhost-user-snd.c b/hw/virtio/vhost-user-snd.c
new file mode 100644
index 0000000000..9a217543f8
--- /dev/null
+++ b/hw/virtio/vhost-user-snd.c
@@ -0,0 +1,67 @@
+/*
+ * Vhost-user snd virtio device
+ *
+ * Copyright (c) 2023 Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
+ *
+ * Simple wrapper of the generic vhost-user-device.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "hw/qdev-properties.h"
+#include "hw/virtio/virtio-bus.h"
+#include "hw/virtio/vhost-user-snd.h"
+#include "standard-headers/linux/virtio_ids.h"
+#include "standard-headers/linux/virtio_snd.h"
+
+static const VMStateDescription vu_snd_vmstate = {
+ .name = "vhost-user-snd",
+ .unmigratable = 1,
+};
+
+static Property vsnd_properties[] = {
+ DEFINE_PROP_CHR("chardev", VHostUserBase, chardev),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vu_snd_base_realize(DeviceState *dev, Error **errp)
+{
+ VHostUserBase *vub = VHOST_USER_BASE(dev);
+ VHostUserBaseClass *vubs = VHOST_USER_BASE_GET_CLASS(dev);
+
+ vub->virtio_id = VIRTIO_ID_SOUND;
+ vub->num_vqs = 4;
+ vub->config_size = sizeof(struct virtio_snd_config);
+ vub->vq_size = 64;
+
+ vubs->parent_realize(dev, errp);
+}
+
+static void vu_snd_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VHostUserBaseClass *vubc = VHOST_USER_BASE_CLASS(klass);
+
+ dc->vmsd = &vu_snd_vmstate;
+ device_class_set_props(dc, vsnd_properties);
+ device_class_set_parent_realize(dc, vu_snd_base_realize,
+ &vubc->parent_realize);
+
+ set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
+}
+
+static const TypeInfo vu_snd_info = {
+ .name = TYPE_VHOST_USER_SND,
+ .parent = TYPE_VHOST_USER_BASE,
+ .instance_size = sizeof(VHostUserSound),
+ .class_init = vu_snd_class_init,
+};
+
+static void vu_snd_register_types(void)
+{
+ type_register_static(&vu_snd_info);
+}
+
+type_init(vu_snd_register_types)