LXR qemu/tests/qtest/libqos/ppc64

   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-spapr.h"
  23#include "qemu/module.h"
  24#include "libqos/malloc-spapr.h"
  25
  26typedef struct QSPAPR_pci_host QSPAPR_pci_host;
  27typedef struct Qppc64_pseriesMachine Qppc64_pseriesMachine;
  28
  29struct QSPAPR_pci_host {
  30    QOSGraphObject obj;
  31    QPCIBusSPAPR pci;
  32};
  33
  34struct Qppc64_pseriesMachine {
  35    QOSGraphObject obj;
  36    QGuestAllocator alloc;
  37    QSPAPR_pci_host bridge;
  38};
  39
  40/* QSPAPR_pci_host */
  41
  42static QOSGraphObject *QSPAPR_host_get_device(void *obj, const char *device)
  43{
  44    QSPAPR_pci_host *host = obj;
  45    if (!g_strcmp0(device, "pci-bus-spapr")) {
  46        return &host->pci.obj;
  47    }
  48    fprintf(stderr, "%s not present in QSPAPR_pci_host\n", device);
  49    g_assert_not_reached();
  50}
  51
  52static void qos_create_QSPAPR_host(QSPAPR_pci_host *host,
  53                                   QTestState *qts,
  54                                   QGuestAllocator *alloc)
  55{
  56    host->obj.get_device = QSPAPR_host_get_device;
  57    qpci_init_spapr(&host->pci, qts, alloc);
  58}
  59
  60/* ppc64/pseries machine */
  61
  62static void spapr_destructor(QOSGraphObject *obj)
  63{
  64    Qppc64_pseriesMachine *machine = (Qppc64_pseriesMachine *) obj;
  65    alloc_destroy(&machine->alloc);
  66}
  67
  68static void *spapr_get_driver(void *object, const char *interface)
  69{
  70    Qppc64_pseriesMachine *machine = object;
  71    if (!g_strcmp0(interface, "memory")) {
  72        return &machine->alloc;
  73    }
  74
  75    fprintf(stderr, "%s not present in ppc64/pseries\n", interface);
  76    g_assert_not_reached();
  77}
  78
  79static QOSGraphObject *spapr_get_device(void *obj, const char *device)
  80{
  81    Qppc64_pseriesMachine *machine = obj;
  82    if (!g_strcmp0(device, "spapr-pci-host-bridge")) {
  83        return &machine->bridge.obj;
  84    }
  85
  86    fprintf(stderr, "%s not present in ppc64/pseries\n", device);
  87    g_assert_not_reached();
  88}
  89
  90static void *qos_create_machine_spapr(QTestState *qts)
  91{
  92    Qppc64_pseriesMachine *machine = g_new0(Qppc64_pseriesMachine, 1);
  93    machine->obj.get_device = spapr_get_device;
  94    machine->obj.get_driver = spapr_get_driver;
  95    machine->obj.destructor = spapr_destructor;
  96    spapr_alloc_init(&machine->alloc, qts, ALLOC_NO_FLAGS);
  97
  98    qos_create_QSPAPR_host(&machine->bridge, qts, &machine->alloc);
  99
 100    return &machine->obj;
 101}
 102
 103static void spapr_machine_register_nodes(void)
 104{
 105    qos_node_create_machine("ppc64/pseries", qos_create_machine_spapr);
 106    qos_node_create_driver("spapr-pci-host-bridge", NULL);
 107    qos_node_contains("ppc64/pseries", "spapr-pci-host-bridge", NULL);
 108    qos_node_contains("spapr-pci-host-bridge", "pci-bus-spapr", NULL);
 109}
 110
 111libqos_init(spapr_machine_register_nodes);
 112
 113