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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tpci200.c (1622B)

      1/*
      2 * QTest testcase for tpci200 PCI-IndustryPack bridge
      3 *
      4 * Copyright (c) 2014 SUSE LINUX Products GmbH
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      7 * See the COPYING file in the top-level directory.
      8 */
      9
     10#include "qemu/osdep.h"
     11#include "libqtest.h"
     12#include "qemu/module.h"
     13#include "qgraph.h"
     14#include "pci.h"
     15
     16typedef struct QTpci200 QTpci200;
     17typedef struct QIpack QIpack;
     18
     19struct QIpack {
     20
     21};
     22struct QTpci200 {
     23    QOSGraphObject obj;
     24    QPCIDevice dev;
     25    QIpack ipack;
     26};
     27
     28/* tpci200 */
     29static void *tpci200_get_driver(void *obj, const char *interface)
     30{
     31    QTpci200 *tpci200 = obj;
     32    if (!g_strcmp0(interface, "ipack")) {
     33        return &tpci200->ipack;
     34    }
     35    if (!g_strcmp0(interface, "pci-device")) {
     36        return &tpci200->dev;
     37    }
     38
     39    fprintf(stderr, "%s not present in tpci200\n", interface);
     40    g_assert_not_reached();
     41}
     42
     43static void *tpci200_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
     44{
     45    QTpci200 *tpci200 = g_new0(QTpci200, 1);
     46    QPCIBus *bus = pci_bus;
     47
     48    qpci_device_init(&tpci200->dev, bus, addr);
     49    tpci200->obj.get_driver = tpci200_get_driver;
     50    return &tpci200->obj;
     51}
     52
     53static void tpci200_register_nodes(void)
     54{
     55    QOSGraphEdgeOptions opts = {
     56        .extra_device_opts = "addr=04.0,id=ipack0",
     57    };
     58    add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
     59
     60    qos_node_create_driver("tpci200", tpci200_create);
     61    qos_node_consumes("tpci200", "pci-bus", &opts);
     62    qos_node_produces("tpci200", "ipack");
     63    qos_node_produces("tpci200", "pci-device");
     64}
     65
     66libqos_init(tpci200_register_nodes);