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