Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 68 insertions, 0 deletions

diff --git a/tests/qtest/e1000-test.c b/tests/qtest/e1000-test.c
new file mode 100644
index 000000000..ea286d179
--- /dev/null
+++ b/tests/qtest/e1000-test.c
@@ -0,0 +1,68 @@
+/*
+ * QTest testcase for e1000 NIC
+ *
+ * Copyright (c) 2013-2014 SUSE LINUX Products GmbH
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "libqos/libqtest.h"
+#include "qemu/module.h"
+#include "libqos/qgraph.h"
+#include "libqos/pci.h"
+
+typedef struct QE1000 QE1000;
+
+struct QE1000 {
+    QOSGraphObject obj;
+    QPCIDevice dev;
+};
+
+static const char *models[] = {
+    "e1000",
+    "e1000-82540em",
+    "e1000-82544gc",
+    "e1000-82545em",
+};
+
+static void *e1000_get_driver(void *obj, const char *interface)
+{
+    QE1000 *e1000 = obj;
+
+    if (!g_strcmp0(interface, "pci-device")) {
+        return &e1000->dev;
+    }
+
+    fprintf(stderr, "%s not present in e1000e\n", interface);
+    g_assert_not_reached();
+}
+
+static void *e1000_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
+{
+    QE1000 *e1000 = g_new0(QE1000, 1);
+    QPCIBus *bus = pci_bus;
+
+    qpci_device_init(&e1000->dev, bus, addr);
+    e1000->obj.get_driver = e1000_get_driver;
+
+    return &e1000->obj;
+}
+
+static void e1000_register_nodes(void)
+{
+    int i;
+    QOSGraphEdgeOptions opts = {
+        .extra_device_opts = "addr=04.0",
+    };
+    add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
+
+    for (i = 0; i < ARRAY_SIZE(models); i++) {
+        qos_node_create_driver(models[i], e1000_create);
+        qos_node_consumes(models[i], "pci-bus", &opts);
+        qos_node_produces(models[i], "pci-device");
+    }
+}
+
+libqos_init(e1000_register_nodes);