--- /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/malloc.h"
+#include "libqos/qgraph.h"
+#include "libqos/virtio-mmio.h"
+
+#define ARM_PAGE_SIZE 4096
+#define VIRTIO_MMIO_BASE_ADDR 0x0A003E00
+#define ARM_VIRT_RAM_ADDR 0x40000000
+#define ARM_VIRT_RAM_SIZE 0x20000000
+#define VIRTIO_MMIO_SIZE 0x00000200
+
+typedef struct QVirtMachine QVirtMachine;
+
+struct QVirtMachine {
+ QOSGraphObject obj;
+ QGuestAllocator alloc;
+ QVirtioMMIODevice virtio_mmio;
+};
+
+static void virt_destructor(QOSGraphObject *obj)
+{
+ QVirtMachine *machine = (QVirtMachine *) obj;
+ alloc_destroy(&machine->alloc);
+}
+
+static void *virt_get_driver(void *object, const char *interface)
+{
+ QVirtMachine *machine = object;
+ if (!g_strcmp0(interface, "memory")) {
+ return &machine->alloc;
+ }
+
+ fprintf(stderr, "%s not present in arm/virtio\n", interface);
+ g_assert_not_reached();
+}
+
+static QOSGraphObject *virt_get_device(void *obj, const char *device)
+{
+ QVirtMachine *machine = obj;
+ if (!g_strcmp0(device, "virtio-mmio")) {
+ return &machine->virtio_mmio.obj;
+ }
+
+ fprintf(stderr, "%s not present in arm/virtio\n", device);
+ g_assert_not_reached();
+}
+
+static void *qos_create_machine_arm_virt(QTestState *qts)
+{
+ QVirtMachine *machine = g_new0(QVirtMachine, 1);
+
+ alloc_init(&machine->alloc, 0,
+ ARM_VIRT_RAM_ADDR,
+ ARM_VIRT_RAM_ADDR + ARM_VIRT_RAM_SIZE,
+ ARM_PAGE_SIZE);
+ qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_ADDR,
+ VIRTIO_MMIO_SIZE);
+
+ machine->obj.get_device = virt_get_device;
+ machine->obj.get_driver = virt_get_driver;
+ machine->obj.destructor = virt_destructor;
+ return machine;
+}
+
+static void virtio_mmio_register_nodes(void)
+{
+ qos_node_create_machine("arm/virt", qos_create_machine_arm_virt);
+ qos_node_contains("arm/virt", "virtio-mmio", NULL);
+}
+
+libqos_init(virtio_mmio_register_nodes);