xref: /openbmc/qemu/tests/qtest/cpu-plug-test.c (revision 6016b7b4)
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_device_add(gconstpointer data)
29 {
30     const PlugTestData *td = data;
31     char *args;
32     QTestState *qts;
33     QDict *resp;
34     QList *cpus;
35     QObject *e;
36     int hotplugged = 0;
37 
38     args = g_strdup_printf("-machine %s -cpu %s "
39                            "-smp 1,sockets=%u,cores=%u,threads=%u,maxcpus=%u",
40                            td->machine, td->cpu_model,
41                            td->sockets, td->cores, td->threads, td->maxcpus);
42     qts = qtest_init(args);
43 
44     resp = qtest_qmp(qts, "{ 'execute': 'query-hotpluggable-cpus'}");
45     g_assert(qdict_haskey(resp, "return"));
46     cpus = qdict_get_qlist(resp, "return");
47     g_assert(cpus);
48 
49     while ((e = qlist_pop(cpus))) {
50         const QDict *cpu, *props;
51 
52         cpu = qobject_to(QDict, e);
53         if (qdict_haskey(cpu, "qom-path")) {
54             qobject_unref(e);
55             continue;
56         }
57 
58         g_assert(qdict_haskey(cpu, "props"));
59         props = qdict_get_qdict(cpu, "props");
60 
61         qtest_qmp_device_add_qdict(qts, td->device_model, props);
62         hotplugged++;
63         qobject_unref(e);
64     }
65 
66     /* make sure that there were hotplugged CPUs */
67     g_assert(hotplugged);
68     qobject_unref(resp);
69     qtest_quit(qts);
70     g_free(args);
71 }
72 
73 static void test_data_free(gpointer data)
74 {
75     PlugTestData *pc = data;
76 
77     g_free(pc->machine);
78     g_free(pc->device_model);
79     g_free(pc);
80 }
81 
82 static void add_pc_test_case(const char *mname)
83 {
84     char *path;
85     PlugTestData *data;
86 
87     if (!g_str_has_prefix(mname, "pc-")) {
88         return;
89     }
90     data = g_new(PlugTestData, 1);
91     data->machine = g_strdup(mname);
92     data->cpu_model = "Haswell"; /* 1.3+ theoretically */
93     data->device_model = g_strdup_printf("%s-%s-cpu", data->cpu_model,
94                                          qtest_get_arch());
95     data->sockets = 1;
96     data->cores = 3;
97     data->threads = 2;
98     data->maxcpus = data->sockets * data->cores * data->threads;
99 
100     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
101                            mname, data->sockets, data->cores,
102                            data->threads, data->maxcpus);
103     qtest_add_data_func_full(path, data, test_plug_with_device_add,
104                              test_data_free);
105     g_free(path);
106 }
107 
108 static void add_pseries_test_case(const char *mname)
109 {
110     char *path;
111     PlugTestData *data;
112 
113     if (!g_str_has_prefix(mname, "pseries-") ||
114         (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
115         return;
116     }
117     data = g_new(PlugTestData, 1);
118     data->machine = g_strdup(mname);
119     data->cpu_model = "power8_v2.0";
120     data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
121     data->sockets = 2;
122     data->cores = 3;
123     data->threads = 1;
124     data->maxcpus = data->sockets * data->cores * data->threads;
125 
126     path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
127                            mname, data->sockets, data->cores,
128                            data->threads, data->maxcpus);
129     qtest_add_data_func_full(path, data, test_plug_with_device_add,
130                              test_data_free);
131     g_free(path);
132 }
133 
134 static void add_s390x_test_case(const char *mname)
135 {
136     char *path;
137     PlugTestData *data;
138 
139     if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
140         return;
141     }
142 
143     data = g_new(PlugTestData, 1);
144     data->machine = g_strdup(mname);
145     data->cpu_model = "qemu";
146     data->device_model = g_strdup("qemu-s390x-cpu");
147     data->sockets = 1;
148     data->cores = 3;
149     data->threads = 1;
150     data->maxcpus = data->sockets * data->cores * data->threads;
151 
152     path = g_strdup_printf("cpu-plug/%s/device-add/%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_with_device_add,
156                              test_data_free);
157     g_free(path);
158 }
159 
160 int main(int argc, char **argv)
161 {
162     const char *arch = qtest_get_arch();
163 
164     g_test_init(&argc, &argv, NULL);
165 
166     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
167         qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
168     } else if (g_str_equal(arch, "ppc64")) {
169         qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
170     } else if (g_str_equal(arch, "s390x")) {
171         qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
172     }
173 
174     return g_test_run();
175 }
176