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-rw-r--r--tests/libqos/virtio-9p.c173
-rw-r--r--tests/libqos/virtio-9p.h42
2 files changed, 215 insertions, 0 deletions
diff --git a/tests/libqos/virtio-9p.c b/tests/libqos/virtio-9p.c
new file mode 100644
index 0000000000..a378b56fa9
--- /dev/null
+++ b/tests/libqos/virtio-9p.c
@@ -0,0 +1,173 @@
+/*
+ * 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/virtio-9p.h"
+#include "libqos/qgraph.h"
+
+static QGuestAllocator *alloc;
+
+static void virtio_9p_cleanup(QVirtio9P *interface)
+{
+ qvirtqueue_cleanup(interface->vdev->bus, interface->vq, alloc);
+}
+
+static void virtio_9p_setup(QVirtio9P *interface)
+{
+ interface->vq = qvirtqueue_setup(interface->vdev, alloc, 0);
+ qvirtio_set_driver_ok(interface->vdev);
+}
+
+/* virtio-9p-device */
+static void virtio_9p_device_destructor(QOSGraphObject *obj)
+{
+ QVirtio9PDevice *v_9p = (QVirtio9PDevice *) obj;
+ QVirtio9P *v9p = &v_9p->v9p;
+
+ virtio_9p_cleanup(v9p);
+}
+
+static void virtio_9p_device_start_hw(QOSGraphObject *obj)
+{
+ QVirtio9PDevice *v_9p = (QVirtio9PDevice *) obj;
+ QVirtio9P *v9p = &v_9p->v9p;
+
+ virtio_9p_setup(v9p);
+}
+
+static void *virtio_9p_get_driver(QVirtio9P *v_9p,
+ const char *interface)
+{
+ if (!g_strcmp0(interface, "virtio-9p")) {
+ return v_9p;
+ }
+ if (!g_strcmp0(interface, "virtio")) {
+ return v_9p->vdev;
+ }
+
+ fprintf(stderr, "%s not present in virtio-9p-device\n", interface);
+ g_assert_not_reached();
+}
+
+static void *virtio_9p_device_get_driver(void *object, const char *interface)
+{
+ QVirtio9PDevice *v_9p = object;
+ return virtio_9p_get_driver(&v_9p->v9p, interface);
+}
+
+static void *virtio_9p_device_create(void *virtio_dev,
+ QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtio9PDevice *virtio_device = g_new0(QVirtio9PDevice, 1);
+ QVirtio9P *interface = &virtio_device->v9p;
+
+ interface->vdev = virtio_dev;
+ alloc = t_alloc;
+
+ virtio_device->obj.destructor = virtio_9p_device_destructor;
+ virtio_device->obj.get_driver = virtio_9p_device_get_driver;
+ virtio_device->obj.start_hw = virtio_9p_device_start_hw;
+
+ return &virtio_device->obj;
+}
+
+/* virtio-9p-pci */
+static void virtio_9p_pci_destructor(QOSGraphObject *obj)
+{
+ QVirtio9PPCI *v9_pci = (QVirtio9PPCI *) obj;
+ QVirtio9P *interface = &v9_pci->v9p;
+ QOSGraphObject *pci_vobj = &v9_pci->pci_vdev.obj;
+
+ virtio_9p_cleanup(interface);
+ qvirtio_pci_destructor(pci_vobj);
+}
+
+static void virtio_9p_pci_start_hw(QOSGraphObject *obj)
+{
+ QVirtio9PPCI *v9_pci = (QVirtio9PPCI *) obj;
+ QVirtio9P *interface = &v9_pci->v9p;
+ QOSGraphObject *pci_vobj = &v9_pci->pci_vdev.obj;
+
+ qvirtio_pci_start_hw(pci_vobj);
+ virtio_9p_setup(interface);
+}
+
+static void *virtio_9p_pci_get_driver(void *object, const char *interface)
+{
+ QVirtio9PPCI *v_9p = object;
+ if (!g_strcmp0(interface, "pci-device")) {
+ return v_9p->pci_vdev.pdev;
+ }
+ return virtio_9p_get_driver(&v_9p->v9p, interface);
+}
+
+static void *virtio_9p_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtio9PPCI *v9_pci = g_new0(QVirtio9PPCI, 1);
+ QVirtio9P *interface = &v9_pci->v9p;
+ QOSGraphObject *obj = &v9_pci->pci_vdev.obj;
+
+ virtio_pci_init(&v9_pci->pci_vdev, pci_bus, addr);
+ interface->vdev = &v9_pci->pci_vdev.vdev;
+ alloc = t_alloc;
+
+ g_assert_cmphex(interface->vdev->device_type, ==, VIRTIO_ID_9P);
+
+ obj->destructor = virtio_9p_pci_destructor;
+ obj->start_hw = virtio_9p_pci_start_hw;
+ obj->get_driver = virtio_9p_pci_get_driver;
+
+ return obj;
+}
+
+static void virtio_9p_register_nodes(void)
+{
+ const char *str_simple = "fsdev=fsdev0,mount_tag=" MOUNT_TAG;
+ const char *str_addr = "fsdev=fsdev0,addr=04.0,mount_tag=" MOUNT_TAG;
+
+ QPCIAddress addr = {
+ .devfn = QPCI_DEVFN(4, 0),
+ };
+
+ QOSGraphEdgeOptions opts = {
+ .before_cmd_line = "-fsdev synth,id=fsdev0",
+ };
+
+ /* virtio-9p-device */
+ opts.extra_device_opts = str_simple,
+ qos_node_create_driver("virtio-9p-device", virtio_9p_device_create);
+ qos_node_consumes("virtio-9p-device", "virtio-bus", &opts);
+ qos_node_produces("virtio-9p-device", "virtio");
+ qos_node_produces("virtio-9p-device", "virtio-9p");
+
+ /* virtio-9p-pci */
+ opts.extra_device_opts = str_addr;
+ add_qpci_address(&opts, &addr);
+ qos_node_create_driver("virtio-9p-pci", virtio_9p_pci_create);
+ qos_node_consumes("virtio-9p-pci", "pci-bus", &opts);
+ qos_node_produces("virtio-9p-pci", "pci-device");
+ qos_node_produces("virtio-9p-pci", "virtio");
+ qos_node_produces("virtio-9p-pci", "virtio-9p");
+
+}
+
+libqos_init(virtio_9p_register_nodes);
diff --git a/tests/libqos/virtio-9p.h b/tests/libqos/virtio-9p.h
new file mode 100644
index 0000000000..dba22772b5
--- /dev/null
+++ b/tests/libqos/virtio-9p.h
@@ -0,0 +1,42 @@
+/*
+ * 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 QVirtio9P QVirtio9P;
+typedef struct QVirtio9PPCI QVirtio9PPCI;
+typedef struct QVirtio9PDevice QVirtio9PDevice;
+
+#define MOUNT_TAG "qtest"
+
+struct QVirtio9P {
+ QVirtioDevice *vdev;
+ QVirtQueue *vq;
+};
+
+struct QVirtio9PPCI {
+ QVirtioPCIDevice pci_vdev;
+ QVirtio9P v9p;
+};
+
+struct QVirtio9PDevice {
+ QOSGraphObject obj;
+ QVirtio9P v9p;
+};
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-25 12:06:00 +0000