--- /dev/null
+/*
+ * libqos driver framework
+ *
+ * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "libqos/qgraph.h"
+#include "libqos/virtio-serial.h"
+
+static void *qvirtio_serial_get_driver(QVirtioSerial *v_serial,
+ const char *interface)
+{
+ if (!g_strcmp0(interface, "virtio-serial")) {
+ return v_serial;
+ }
+ if (!g_strcmp0(interface, "virtio")) {
+ return v_serial->vdev;
+ }
+
+ fprintf(stderr, "%s not present in virtio-serial-device\n", interface);
+ g_assert_not_reached();
+}
+
+static void *qvirtio_serial_device_get_driver(void *object,
+ const char *interface)
+{
+ QVirtioSerialDevice *v_serial = object;
+ return qvirtio_serial_get_driver(&v_serial->serial, interface);
+}
+
+static void *virtio_serial_device_create(void *virtio_dev,
+ QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtioSerialDevice *virtio_device = g_new0(QVirtioSerialDevice, 1);
+ QVirtioSerial *interface = &virtio_device->serial;
+
+ interface->vdev = virtio_dev;
+
+ virtio_device->obj.get_driver = qvirtio_serial_device_get_driver;
+
+ return &virtio_device->obj;
+}
+
+/* virtio-serial-pci */
+static void *qvirtio_serial_pci_get_driver(void *object, const char *interface)
+{
+ QVirtioSerialPCI *v_serial = object;
+ if (!g_strcmp0(interface, "pci-device")) {
+ return v_serial->pci_vdev.pdev;
+ }
+ return qvirtio_serial_get_driver(&v_serial->serial, interface);
+}
+
+static void *virtio_serial_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtioSerialPCI *virtio_spci = g_new0(QVirtioSerialPCI, 1);
+ QVirtioSerial *interface = &virtio_spci->serial;
+ QOSGraphObject *obj = &virtio_spci->pci_vdev.obj;
+
+ virtio_pci_init(&virtio_spci->pci_vdev, pci_bus, addr);
+ interface->vdev = &virtio_spci->pci_vdev.vdev;
+
+ obj->get_driver = qvirtio_serial_pci_get_driver;
+
+ return obj;
+}
+
+static void virtio_serial_register_nodes(void)
+{
+ QPCIAddress addr = {
+ .devfn = QPCI_DEVFN(4, 0),
+ };
+
+ QOSGraphEdgeOptions edge_opts = { };
+
+ /* virtio-serial-device */
+ edge_opts.extra_device_opts = "id=vser0";
+ qos_node_create_driver("virtio-serial-device",
+ virtio_serial_device_create);
+ qos_node_consumes("virtio-serial-device", "virtio-bus", &edge_opts);
+ qos_node_produces("virtio-serial-device", "virtio");
+ qos_node_produces("virtio-serial-device", "virtio-serial");
+
+ /* virtio-serial-pci */
+ edge_opts.extra_device_opts = "id=vser0,addr=04.0";
+ add_qpci_address(&edge_opts, &addr);
+ qos_node_create_driver("virtio-serial-pci", virtio_serial_pci_create);
+ qos_node_consumes("virtio-serial-pci", "pci-bus", &edge_opts);
+ qos_node_produces("virtio-serial-pci", "pci-device");
+ qos_node_produces("virtio-serial-pci", "virtio");
+ qos_node_produces("virtio-serial-pci", "virtio-serial");
+}
+
+libqos_init(virtio_serial_register_nodes);
--- /dev/null
+/*
+ * libqos driver framework
+ *
+ * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "libqos/qgraph.h"
+#include "libqos/virtio.h"
+#include "libqos/virtio-pci.h"
+
+typedef struct QVirtioSerial QVirtioSerial;
+typedef struct QVirtioSerialPCI QVirtioSerialPCI;
+typedef struct QVirtioSerialDevice QVirtioSerialDevice;
+
+struct QVirtioSerial {
+ QVirtioDevice *vdev;
+};
+
+struct QVirtioSerialPCI {
+ QVirtioPCIDevice pci_vdev;
+ QVirtioSerial serial;
+};
+
+struct QVirtioSerialDevice {
+ QOSGraphObject obj;
+ QVirtioSerial serial;
+};