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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pvpanic-pci-test.c (2508B)

      1/*
      2 * QTest testcase for PV Panic PCI device
      3 *
      4 * Copyright (C) 2020 Oracle
      5 *
      6 * Authors:
      7 *     Mihai Carabas <mihai.carabas@oracle.com>
      8 *
      9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
     10 * See the COPYING file in the top-level directory.
     11 *
     12 */
     13
     14#include "qemu/osdep.h"
     15#include "libqos/libqtest.h"
     16#include "qapi/qmp/qdict.h"
     17#include "libqos/pci.h"
     18#include "libqos/pci-pc.h"
     19#include "hw/pci/pci_regs.h"
     20
     21static void test_panic_nopause(void)
     22{
     23    uint8_t val;
     24    QDict *response, *data;
     25    QTestState *qts;
     26    QPCIBus *pcibus;
     27    QPCIDevice *dev;
     28    QPCIBar bar;
     29
     30    qts = qtest_init("-device pvpanic-pci,addr=04.0 -action panic=none");
     31    pcibus = qpci_new_pc(qts, NULL);
     32    dev = qpci_device_find(pcibus, QPCI_DEVFN(0x4, 0x0));
     33    qpci_device_enable(dev);
     34    bar = qpci_iomap(dev, 0, NULL);
     35
     36    qpci_memread(dev, bar, 0, &val, sizeof(val));
     37    g_assert_cmpuint(val, ==, 3);
     38
     39    val = 1;
     40    qpci_memwrite(dev, bar, 0, &val, sizeof(val));
     41
     42    response = qtest_qmp_eventwait_ref(qts, "GUEST_PANICKED");
     43    g_assert(qdict_haskey(response, "data"));
     44    data = qdict_get_qdict(response, "data");
     45    g_assert(qdict_haskey(data, "action"));
     46    g_assert_cmpstr(qdict_get_str(data, "action"), ==, "run");
     47    qobject_unref(response);
     48
     49    g_free(dev);
     50    qpci_free_pc(pcibus);
     51    qtest_quit(qts);
     52}
     53
     54static void test_panic(void)
     55{
     56    uint8_t val;
     57    QDict *response, *data;
     58    QTestState *qts;
     59    QPCIBus *pcibus;
     60    QPCIDevice *dev;
     61    QPCIBar bar;
     62
     63    qts = qtest_init("-device pvpanic-pci,addr=04.0 -action panic=pause");
     64    pcibus = qpci_new_pc(qts, NULL);
     65    dev = qpci_device_find(pcibus, QPCI_DEVFN(0x4, 0x0));
     66    qpci_device_enable(dev);
     67    bar = qpci_iomap(dev, 0, NULL);
     68
     69    qpci_memread(dev, bar, 0, &val, sizeof(val));
     70    g_assert_cmpuint(val, ==, 3);
     71
     72    val = 1;
     73    qpci_memwrite(dev, bar, 0, &val, sizeof(val));
     74
     75    response = qtest_qmp_eventwait_ref(qts, "GUEST_PANICKED");
     76    g_assert(qdict_haskey(response, "data"));
     77    data = qdict_get_qdict(response, "data");
     78    g_assert(qdict_haskey(data, "action"));
     79    g_assert_cmpstr(qdict_get_str(data, "action"), ==, "pause");
     80    qobject_unref(response);
     81
     82    g_free(dev);
     83    qpci_free_pc(pcibus);
     84    qtest_quit(qts);
     85}
     86
     87int main(int argc, char **argv)
     88{
     89    int ret;
     90
     91    g_test_init(&argc, &argv, NULL);
     92    qtest_add_func("/pvpanic-pci/panic", test_panic);
     93    qtest_add_func("/pvpanic-pci/panic-nopause", test_panic_nopause);
     94
     95    ret = g_test_run();
     96
     97    return ret;
     98}