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 "qemu-common.h"
  13 #include "libqtest-single.h"
  14 #include "qapi/qmp/qdict.h"
  15 #include "qapi/qmp/qlist.h"
  16
  17 struct PlugTestData {
  18     char *machine;
  19     const char *cpu_model;
  20     char *device_model;
  21     unsigned sockets;
  22     unsigned cores;
  23     unsigned threads;
  24     unsigned maxcpus;
  25 };
  26 typedef struct PlugTestData PlugTestData;
  27
  28 static void test_plug_with_cpu_add(gconstpointer data)
  29 {
  30     const PlugTestData *s = data;
  31     char *args;
  32     QDict *response;
  33     unsigned int i;
  34
  35     args = g_strdup_printf("-machine %s -cpu %s "
  36                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  37                            s->machine, s->cpu_model,
  38                            s->sockets, s->cores, s->threads, s->maxcpus);
  39     qtest_start(args);
  40
  41     for (i = 1; i < s->maxcpus; i++) {
  42         response = qmp("{ 'execute': 'cpu-add',"
  43                        "  'arguments': { 'id': %d } }", i);
  44         g_assert(response);
  45         g_assert(!qdict_haskey(response, "error"));
  46         qobject_unref(response);
  47     }
  48
  49     qtest_end();
  50     g_free(args);
  51 }
  52
  53 static void test_plug_without_cpu_add(gconstpointer data)
  54 {
  55     const PlugTestData *s = data;
  56     char *args;
  57     QDict *response;
  58
  59     args = g_strdup_printf("-machine %s -cpu %s "
  60                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  61                            s->machine, s->cpu_model,
  62                            s->sockets, s->cores, s->threads, s->maxcpus);
  63     qtest_start(args);
  64
  65     response = qmp("{ 'execute': 'cpu-add',"
  66                    "  'arguments': { 'id': %d } }",
  67                    s->sockets * s->cores * s->threads);
  68     g_assert(response);
  69     g_assert(qdict_haskey(response, "error"));
  70     qobject_unref(response);
  71
  72     qtest_end();
  73     g_free(args);
  74 }
  75
  76 static void test_plug_with_device_add(gconstpointer data)
  77 {
  78     const PlugTestData *td = data;
  79     char *args;
  80     QTestState *qts;
  81     QDict *resp;
  82     QList *cpus;
  83     QObject *e;
  84     int hotplugged = 0;
  85
  86     args = g_strdup_printf("-machine %s -cpu %s "
  87                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
  88                            td->machine, td->cpu_model,
  89                            td->sockets, td->cores, td->threads, td->maxcpus);
  90     qts = qtest_init(args);
  91
  92     resp = qtest_qmp(qts, "{ 'execute': 'query-hotpluggable-cpus'}");
  93     g_assert(qdict_haskey(resp, "return"));
  94     cpus = qdict_get_qlist(resp, "return");
  95     g_assert(cpus);
  96
  97     while ((e = qlist_pop(cpus))) {
  98         const QDict *cpu, *props;
  99
 100         cpu = qobject_to(QDict, e);
 101         if (qdict_haskey(cpu, "qom-path")) {
 102             qobject_unref(e);
 103             continue;
 104         }
 105
 106         g_assert(qdict_haskey(cpu, "props"));
 107         props = qdict_get_qdict(cpu, "props");
 108
 109         qtest_qmp_device_add_qdict(qts, td->device_model, props);
 110         hotplugged++;
 111         qobject_unref(e);
 112     }
 113
 114     /* make sure that there were hotplugged CPUs */
 115     g_assert(hotplugged);
 116     qobject_unref(resp);
 117     qtest_quit(qts);
 118     g_free(args);
 119 }
 120
 121 static void test_data_free(gpointer data)
 122 {
 123     PlugTestData *pc = data;
 124
 125     g_free(pc->machine);
 126     g_free(pc->device_model);
 127     g_free(pc);
 128 }
 129
 130 static void add_pc_test_case(const char *mname)
 131 {
 132     char *path;
 133     PlugTestData *data;
 134
 135     if (!g_str_has_prefix(mname, "pc-")) {
 136         return;
 137     }
 138     data = g_new(PlugTestData, 1);
 139     data->machine = g_strdup(mname);
 140     data->cpu_model = "Haswell"; /* 1.3+ theoretically */
 141     data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
 142                                          qtest_get_arch());
 143     data->sockets = 1;
 144     data->cores = 3;
 145     data->threads = 2;
 146     data->maxcpus = data->sockets * data->cores * data->threads;
 147     if (g_str_has_suffix(mname, "-1.4") ||
 148         (strcmp(mname, "pc-1.3") == 0) ||
 149         (strcmp(mname, "pc-1.2") == 0) ||
 150         (strcmp(mname, "pc-1.1") == 0) ||
 151         (strcmp(mname, "pc-1.0") == 0)) {
 152         path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
 153                                mname, data->sockets, data->cores,
 154                                data->threads, data->maxcpus);
 155         qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
 156                                  test_data_free);
 157         g_free(path);
 158     } else {
 159         PlugTestData *data2 = g_memdup(data, sizeof(PlugTestData));
 160
 161         data2->machine = g_strdup(data->machine);
 162         data2->device_model = g_strdup(data->device_model);
 163
 164         path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 165                                mname, data->sockets, data->cores,
 166                                data->threads, data->maxcpus);
 167         qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 168                                  test_data_free);
 169         g_free(path);
 170         path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 171                                mname, data2->sockets, data2->cores,
 172                                data2->threads, data2->maxcpus);
 173         qtest_add_data_func_full(path, data2, test_plug_with_device_add,
 174                                  test_data_free);
 175         g_free(path);
 176     }
 177 }
 178
 179 static void add_pseries_test_case(const char *mname)
 180 {
 181     char *path;
 182     PlugTestData *data;
 183
 184     if (!g_str_has_prefix(mname, "pseries-") ||
 185         (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
 186         return;
 187     }
 188     data = g_new(PlugTestData, 1);
 189     data->machine = g_strdup(mname);
 190     data->cpu_model = "power8_v2.0";
 191     data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
 192     data->sockets = 2;
 193     data->cores = 3;
 194     data->threads = 1;
 195     data->maxcpus = data->sockets * data->cores * data->threads;
 196
 197     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 198                            mname, data->sockets, data->cores,
 199                            data->threads, data->maxcpus);
 200     qtest_add_data_func_full(path, data, test_plug_with_device_add,
 201                              test_data_free);
 202     g_free(path);
 203 }
 204
 205 static void add_s390x_test_case(const char *mname)
 206 {
 207     char *path;
 208     PlugTestData *data, *data2;
 209
 210     if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
 211         return;
 212     }
 213
 214     data = g_new(PlugTestData, 1);
 215     data->machine = g_strdup(mname);
 216     data->cpu_model = "qemu";
 217     data->device_model = g_strdup("qemu-s390x-cpu");
 218     data->sockets = 1;
 219     data->cores = 3;
 220     data->threads = 1;
 221     data->maxcpus = data->sockets * data->cores * data->threads;
 222
 223     data2 = g_memdup(data, sizeof(PlugTestData));
 224     data2->machine = g_strdup(data->machine);
 225     data2->device_model = g_strdup(data->device_model);
 226
 227     path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
 228                            mname, data->sockets, data->cores,
 229                            data->threads, data->maxcpus);
 230     qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
 231                              test_data_free);
 232     g_free(path);
 233
 234     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
 235                            mname, data2->sockets, data2->cores,
 236                            data2->threads, data2->maxcpus);
 237     qtest_add_data_func_full(path, data2, test_plug_with_device_add,
 238                              test_data_free);
 239     g_free(path);
 240 }
 241
 242 int main(int argc, char **argv)
 243 {
 244     const char *arch = qtest_get_arch();
 245
 246     g_test_init(&argc, &argv, NULL);
 247
 248     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 249         qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
 250     } else if (g_str_equal(arch, "ppc64")) {
 251         qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
 252     } else if (g_str_equal(arch, "s390x")) {
 253         qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
 254     }
 255
 256     return g_test_run();
 257 }