tests/qtest/libqos/ppc64_pseries-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 "qgraph.h"
  22 #include "pci-spapr.h"
  23 #include "qemu/module.h"
  24 #include "malloc-spapr.h"
  25
  26 typedef struct QSPAPR_pci_host QSPAPR_pci_host;
  27 typedef struct Qppc64_pseriesMachine Qppc64_pseriesMachine;
  28
  29 struct QSPAPR_pci_host {
  30     QOSGraphObject obj;
  31     QPCIBusSPAPR pci;
  32 };
  33
  34 struct Qppc64_pseriesMachine {
  35     QOSGraphObject obj;
  36     QGuestAllocator alloc;
  37     QSPAPR_pci_host bridge;
  38 };
  39
  40 /* QSPAPR_pci_host */
  41
  42 static 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
  52 static 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
  62 static void spapr_destructor(QOSGraphObject *obj)
  63 {
  64     Qppc64_pseriesMachine *machine = (Qppc64_pseriesMachine *) obj;
  65     alloc_destroy(&machine->alloc);
  66 }
  67
  68 static 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
  79 static 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
  90 static 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
 103 static 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
 111 libqos_init(spapr_machine_register_nodes);
 112