qemu

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cpu-plug-test.c (5018B)


      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 
     16 struct 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 };
     25 typedef struct PlugTestData PlugTestData;
     26 
     27 static 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 
     72 static 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 
     81 static 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 
    107 static 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 
    133 static 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 
    159 int 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 }