cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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ppc64_pseries-machine.c (3345B)

      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
     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