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/*
* 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 "qemu/module.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);
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