tests/libqos/x86_64_pc-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 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
  26 typedef struct QX86PCMachine QX86PCMachine;
  27 typedef struct i440FX_pcihost i440FX_pcihost;
  28 typedef struct QSDHCI_PCI  QSDHCI_PCI;
  29
  30 struct i440FX_pcihost {
  31     QOSGraphObject obj;
  32     QPCIBusPC pci;
  33 };
  34
  35 struct QX86PCMachine {
  36     QOSGraphObject obj;
  37     QGuestAllocator alloc;
  38     i440FX_pcihost bridge;
  39 };
  40
  41 /* i440FX_pcihost */
  42
  43 static 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
  53 static 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
  63 static void pc_destructor(QOSGraphObject *obj)
  64 {
  65     QX86PCMachine *machine = (QX86PCMachine *) obj;
  66     alloc_destroy(&machine->alloc);
  67 }
  68
  69 static 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
  80 static 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
  91 static 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
 103 static 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
 115 libqos_init(pc_machine_register_nodes);