LXR qemu/tests/qtest/libqos/arm-virt-machine.c

   1/*
   2 * libqos driver framework
   3 *
   4 * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License version 2.1 as published by the Free Software Foundation.
   9 *
  10 * This library is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 * Lesser General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU Lesser General Public
  16 * License along with this library; if not, see <http://www.gnu.org/licenses/>
  17 */
  18
  19#include "qemu/osdep.h"
  20#include "../libqtest.h"
  21#include "qemu/module.h"
  22#include "libqos-malloc.h"
  23#include "qgraph.h"
  24#include "virtio-mmio.h"
  25#include "generic-pcihost.h"
  26#include "hw/pci/pci_regs.h"
  27
  28#define ARM_PAGE_SIZE               4096
  29#define VIRTIO_MMIO_BASE_ADDR       0x0A003E00
  30#define ARM_VIRT_RAM_ADDR           0x40000000
  31#define ARM_VIRT_RAM_SIZE           0x20000000
  32#define VIRTIO_MMIO_SIZE            0x00000200
  33
  34typedef struct QVirtMachine QVirtMachine;
  35
  36struct QVirtMachine {
  37    QOSGraphObject obj;
  38    QGuestAllocator alloc;
  39    QVirtioMMIODevice virtio_mmio;
  40    QGenericPCIHost bridge;
  41};
  42
  43static void virt_destructor(QOSGraphObject *obj)
  44{
  45    QVirtMachine *machine = (QVirtMachine *) obj;
  46    alloc_destroy(&machine->alloc);
  47}
  48
  49static void *virt_get_driver(void *object, const char *interface)
  50{
  51    QVirtMachine *machine = object;
  52    if (!g_strcmp0(interface, "memory")) {
  53        return &machine->alloc;
  54    }
  55
  56    fprintf(stderr, "%s not present in arm/virtio\n", interface);
  57    g_assert_not_reached();
  58}
  59
  60static QOSGraphObject *virt_get_device(void *obj, const char *device)
  61{
  62    QVirtMachine *machine = obj;
  63    if (!g_strcmp0(device, "generic-pcihost")) {
  64        return &machine->bridge.obj;
  65    } else if (!g_strcmp0(device, "virtio-mmio")) {
  66        return &machine->virtio_mmio.obj;
  67    }
  68
  69    fprintf(stderr, "%s not present in arm/virt\n", device);
  70    g_assert_not_reached();
  71}
  72
  73static void *qos_create_machine_arm_virt(QTestState *qts)
  74{
  75    QVirtMachine *machine = g_new0(QVirtMachine, 1);
  76
  77    alloc_init(&machine->alloc, 0,
  78               ARM_VIRT_RAM_ADDR,
  79               ARM_VIRT_RAM_ADDR + ARM_VIRT_RAM_SIZE,
  80               ARM_PAGE_SIZE);
  81    qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_ADDR,
  82                             VIRTIO_MMIO_SIZE);
  83
  84    qos_create_generic_pcihost(&machine->bridge, qts, &machine->alloc);
  85
  86    machine->obj.get_device = virt_get_device;
  87    machine->obj.get_driver = virt_get_driver;
  88    machine->obj.destructor = virt_destructor;
  89    return machine;
  90}
  91
  92static void virt_machine_register_nodes(void)
  93{
  94    qos_node_create_machine("arm/virt", qos_create_machine_arm_virt);
  95    qos_node_contains("arm/virt", "virtio-mmio", NULL);
  96
  97    qos_node_create_machine_args("aarch64/virt", qos_create_machine_arm_virt,
  98                                 " -cpu max");
  99    qos_node_contains("aarch64/virt", "generic-pcihost", NULL);
 100}
 101
 102libqos_init(virt_machine_register_nodes);
 103