qemu/tests/libqos/x86_64_pc-machine.c
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   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 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 "libqos/qgraph.h"
  22#include "pci-pc.h"
  23#include "qemu/module.h"
  24#include "malloc-pc.h"
  25
  26typedef struct QX86PCMachine QX86PCMachine;
  27typedef struct i440FX_pcihost i440FX_pcihost;
  28typedef struct QSDHCI_PCI  QSDHCI_PCI;
  29
  30struct i440FX_pcihost {
  31    QOSGraphObject obj;
  32    QPCIBusPC pci;
  33};
  34
  35struct QX86PCMachine {
  36    QOSGraphObject obj;
  37    QGuestAllocator alloc;
  38    i440FX_pcihost bridge;
  39};
  40
  41/* i440FX_pcihost */
  42
  43static QOSGraphObject *i440FX_host_get_device(void *obj, const char *device)
  44{
  45    i440FX_pcihost *host = obj;
  46    if (!g_strcmp0(device, "pci-bus-pc")) {
  47        return &host->pci.obj;
  48    }
  49    fprintf(stderr, "%s not present in i440FX-pcihost\n", device);
  50    g_assert_not_reached();
  51}
  52
  53static void qos_create_i440FX_host(i440FX_pcihost *host,
  54                                   QTestState *qts,
  55                                   QGuestAllocator *alloc)
  56{
  57    host->obj.get_device = i440FX_host_get_device;
  58    qpci_init_pc(&host->pci, qts, alloc);
  59}
  60
  61/* x86_64/pc machine */
  62
  63static void pc_destructor(QOSGraphObject *obj)
  64{
  65    QX86PCMachine *machine = (QX86PCMachine *) obj;
  66    alloc_destroy(&machine->alloc);
  67}
  68
  69static void *pc_get_driver(void *object, const char *interface)
  70{
  71    QX86PCMachine *machine = object;
  72    if (!g_strcmp0(interface, "memory")) {
  73        return &machine->alloc;
  74    }
  75
  76    fprintf(stderr, "%s not present in x86_64/pc\n", interface);
  77    g_assert_not_reached();
  78}
  79
  80static QOSGraphObject *pc_get_device(void *obj, const char *device)
  81{
  82    QX86PCMachine *machine = obj;
  83    if (!g_strcmp0(device, "i440FX-pcihost")) {
  84        return &machine->bridge.obj;
  85    }
  86
  87    fprintf(stderr, "%s not present in x86_64/pc\n", device);
  88    g_assert_not_reached();
  89}
  90
  91static void *qos_create_machine_pc(QTestState *qts)
  92{
  93    QX86PCMachine *machine = g_new0(QX86PCMachine, 1);
  94    machine->obj.get_device = pc_get_device;
  95    machine->obj.get_driver = pc_get_driver;
  96    machine->obj.destructor = pc_destructor;
  97    pc_alloc_init(&machine->alloc, qts, ALLOC_NO_FLAGS);
  98    qos_create_i440FX_host(&machine->bridge, qts, &machine->alloc);
  99
 100    return &machine->obj;
 101}
 102
 103static void pc_machine_register_nodes(void)
 104{
 105    qos_node_create_machine("i386/pc", qos_create_machine_pc);
 106    qos_node_contains("i386/pc", "i440FX-pcihost", NULL);
 107
 108    qos_node_create_machine("x86_64/pc", qos_create_machine_pc);
 109    qos_node_contains("x86_64/pc", "i440FX-pcihost", NULL);
 110
 111    qos_node_create_driver("i440FX-pcihost", NULL);
 112    qos_node_contains("i440FX-pcihost", "pci-bus-pc", NULL);
 113}
 114
 115libqos_init(pc_machine_register_nodes);
 116