LXR qemu/tests/qtest/cpu-plug-test.c

   1/*
   2 * QTest testcase for CPU plugging
   3 *
   4 * Copyright (c) 2015 SUSE Linux 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
  12#include "libqtest-single.h"
  13#include "qapi/qmp/qdict.h"
  14#include "qapi/qmp/qlist.h"
  15
  16struct PlugTestData {
  17    char *machine;
  18    const char *cpu_model;
  19    char *device_model;
  20    unsigned sockets;
  21    unsigned cores;
  22    unsigned threads;
  23    unsigned maxcpus;
  24};
  25typedef struct PlugTestData PlugTestData;
  26
  27static void test_plug_with_device_add(gconstpointer data)
  28{
  29    const PlugTestData *td = data;
  30    char *args;
  31    QTestState *qts;
  32    QDict *resp;
  33    QList *cpus;
  34    QObject *e;
  35    int hotplugged = 0;
  36
  37    args = g_strdup_printf("-machine %s -cpu %s "
  38                           "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  39                           td->machine, td->cpu_model,
  40                           td->sockets, td->cores, td->threads, td->maxcpus);
  41    qts = qtest_init(args);
  42
  43    resp = qtest_qmp(qts, "{ 'execute': 'query-hotpluggable-cpus'}");
  44    g_assert(qdict_haskey(resp, "return"));
  45    cpus = qdict_get_qlist(resp, "return");
  46    g_assert(cpus);
  47
  48    while ((e = qlist_pop(cpus))) {
  49        const QDict *cpu, *props;
  50
  51        cpu = qobject_to(QDict, e);
  52        if (qdict_haskey(cpu, "qom-path")) {
  53            qobject_unref(e);
  54            continue;
  55        }
  56
  57        g_assert(qdict_haskey(cpu, "props"));
  58        props = qdict_get_qdict(cpu, "props");
  59
  60        qtest_qmp_device_add_qdict(qts, td->device_model, props);
  61        hotplugged++;
  62        qobject_unref(e);
  63    }
  64
  65    /* make sure that there were hotplugged CPUs */
  66    g_assert(hotplugged);
  67    qobject_unref(resp);
  68    qtest_quit(qts);
  69    g_free(args);
  70}
  71
  72static void test_data_free(gpointer data)
  73{
  74    PlugTestData *pc = data;
  75
  76    g_free(pc->machine);
  77    g_free(pc->device_model);
  78    g_free(pc);
  79}
  80
  81static void add_pc_test_case(const char *mname)
  82{
  83    char *path;
  84    PlugTestData *data;
  85
  86    if (!g_str_has_prefix(mname, "pc-")) {
  87        return;
  88    }
  89    data = g_new(PlugTestData, 1);
  90    data->machine = g_strdup(mname);
  91    data->cpu_model = "Haswell"; /* 1.3+ theoretically */
  92    data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
  93                                         qtest_get_arch());
  94    data->sockets = 1;
  95    data->cores = 3;
  96    data->threads = 2;
  97    data->maxcpus = data->sockets * data->cores * data->threads;
  98
  99    path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 100                           mname, data->sockets, data->cores,
 101                           data->threads, data->maxcpus);
 102    qtest_add_data_func_full(path, data, test_plug_with_device_add,
 103                             test_data_free);
 104    g_free(path);
 105}
 106
 107static void add_pseries_test_case(const char *mname)
 108{
 109    char *path;
 110    PlugTestData *data;
 111
 112    if (!g_str_has_prefix(mname, "pseries-") ||
 113        (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
 114        return;
 115    }
 116    data = g_new(PlugTestData, 1);
 117    data->machine = g_strdup(mname);
 118    data->cpu_model = "power8_v2.0";
 119    data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
 120    data->sockets = 2;
 121    data->cores = 3;
 122    data->threads = 1;
 123    data->maxcpus = data->sockets * data->cores * data->threads;
 124
 125    path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 126                           mname, data->sockets, data->cores,
 127                           data->threads, data->maxcpus);
 128    qtest_add_data_func_full(path, data, test_plug_with_device_add,
 129                             test_data_free);
 130    g_free(path);
 131}
 132
 133static void add_s390x_test_case(const char *mname)
 134{
 135    char *path;
 136    PlugTestData *data;
 137
 138    if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
 139        return;
 140    }
 141
 142    data = g_new(PlugTestData, 1);
 143    data->machine = g_strdup(mname);
 144    data->cpu_model = "qemu";
 145    data->device_model = g_strdup("qemu-s390x-cpu");
 146    data->sockets = 1;
 147    data->cores = 3;
 148    data->threads = 1;
 149    data->maxcpus = data->sockets * data->cores * data->threads;
 150
 151    path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 152                           mname, data->sockets, data->cores,
 153                           data->threads, data->maxcpus);
 154    qtest_add_data_func_full(path, data, test_plug_with_device_add,
 155                             test_data_free);
 156    g_free(path);
 157}
 158
 159int main(int argc, char **argv)
 160{
 161    const char *arch = qtest_get_arch();
 162
 163    g_test_init(&argc, &argv, NULL);
 164
 165    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 166        qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
 167    } else if (g_str_equal(arch, "ppc64")) {
 168        qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
 169    } else if (g_str_equal(arch, "s390x")) {
 170        qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
 171    }
 172
 173    return g_test_run();
 174}
 175