--- /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 "standard-headers/linux/virtio_ids.h"
+#include "libqos/qgraph.h"
+#include "libqos/virtio-scsi.h"
+
+/* virtio-scsi-device */
+static void *qvirtio_scsi_get_driver(QVirtioSCSI *v_scsi,
+ const char *interface)
+{
+ if (!g_strcmp0(interface, "virtio-scsi")) {
+ return v_scsi;
+ }
+ if (!g_strcmp0(interface, "virtio")) {
+ return v_scsi->vdev;
+ }
+
+ fprintf(stderr, "%s not present in virtio-scsi-device\n", interface);
+ g_assert_not_reached();
+}
+
+static void *qvirtio_scsi_device_get_driver(void *object,
+ const char *interface)
+{
+ QVirtioSCSIDevice *v_scsi = object;
+ return qvirtio_scsi_get_driver(&v_scsi->scsi, interface);
+}
+
+static void *virtio_scsi_device_create(void *virtio_dev,
+ QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtioSCSIDevice *virtio_bdevice = g_new0(QVirtioSCSIDevice, 1);
+ QVirtioSCSI *interface = &virtio_bdevice->scsi;
+
+ interface->vdev = virtio_dev;
+
+ virtio_bdevice->obj.get_driver = qvirtio_scsi_device_get_driver;
+
+ return &virtio_bdevice->obj;
+}
+
+/* virtio-scsi-pci */
+static void *qvirtio_scsi_pci_get_driver(void *object,
+ const char *interface)
+{
+ QVirtioSCSIPCI *v_scsi = object;
+ if (!g_strcmp0(interface, "pci-device")) {
+ return v_scsi->pci_vdev.pdev;
+ }
+ return qvirtio_scsi_get_driver(&v_scsi->scsi, interface);
+}
+
+static void *virtio_scsi_pci_create(void *pci_bus,
+ QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtioSCSIPCI *virtio_spci = g_new0(QVirtioSCSIPCI, 1);
+ QVirtioSCSI *interface = &virtio_spci->scsi;
+ QOSGraphObject *obj = &virtio_spci->pci_vdev.obj;
+
+ virtio_pci_init(&virtio_spci->pci_vdev, pci_bus, addr);
+ interface->vdev = &virtio_spci->pci_vdev.vdev;
+
+ g_assert_cmphex(interface->vdev->device_type, ==, VIRTIO_ID_SCSI);
+
+ obj->get_driver = qvirtio_scsi_pci_get_driver;
+
+ return obj;
+}
+
+static void virtio_scsi_register_nodes(void)
+{
+ QPCIAddress addr = {
+ .devfn = QPCI_DEVFN(4, 0),
+ };
+
+ QOSGraphEdgeOptions opts = {
+ .before_cmd_line = "-drive id=drv0,if=none,file=null-co://,format=raw",
+ .after_cmd_line = "-device scsi-hd,bus=vs0.0,drive=drv0",
+ };
+
+ /* virtio-scsi-device */
+ opts.extra_device_opts = "id=vs0";
+ qos_node_create_driver("virtio-scsi-device",
+ virtio_scsi_device_create);
+ qos_node_consumes("virtio-scsi-device", "virtio-bus", &opts);
+ qos_node_produces("virtio-scsi-device", "virtio-scsi");
+
+ /* virtio-scsi-pci */
+ opts.extra_device_opts = "id=vs0,addr=04.0";
+ add_qpci_address(&opts, &addr);
+ qos_node_create_driver("virtio-scsi-pci", virtio_scsi_pci_create);
+ qos_node_consumes("virtio-scsi-pci", "pci-bus", &opts);
+ qos_node_produces("virtio-scsi-pci", "pci-device");
+ qos_node_produces("virtio-scsi-pci", "virtio-scsi");
+}
+
+libqos_init(virtio_scsi_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 QVirtioSCSI QVirtioSCSI;
+typedef struct QVirtioSCSIPCI QVirtioSCSIPCI;
+typedef struct QVirtioSCSIDevice QVirtioSCSIDevice;
+
+struct QVirtioSCSI {
+ QVirtioDevice *vdev;
+};
+
+struct QVirtioSCSIPCI {
+ QVirtioPCIDevice pci_vdev;
+ QVirtioSCSI scsi;
+};
+
+struct QVirtioSCSIDevice {
+ QOSGraphObject obj;
+ QVirtioSCSI scsi;
+};