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
test_plug_with_cpu_add(gconstpointer data)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
test_plug_without_cpu_add(gconstpointer data)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
test_plug_with_device_add(gconstpointer data)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
test_data_free(gpointer data)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
add_pc_test_case(const char * mname)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 (strcmp(mname, "pc-0.15") == 0) ||
153 (strcmp(mname, "pc-0.14") == 0) ||
154 (strcmp(mname, "pc-0.13") == 0) ||
155 (strcmp(mname, "pc-0.12") == 0)) {
156 path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
157 mname, data->sockets, data->cores,
158 data->threads, data->maxcpus);
159 qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
160 test_data_free);
161 g_free(path);
162 } else {
163 PlugTestData *data2 = g_memdup(data, sizeof(PlugTestData));
164
165 data2->machine = g_strdup(data->machine);
166 data2->device_model = g_strdup(data->device_model);
167
168 path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
169 mname, data->sockets, data->cores,
170 data->threads, data->maxcpus);
171 qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
172 test_data_free);
173 g_free(path);
174 path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
175 mname, data2->sockets, data2->cores,
176 data2->threads, data2->maxcpus);
177 qtest_add_data_func_full(path, data2, test_plug_with_device_add,
178 test_data_free);
179 g_free(path);
180 }
181 }
182
add_pseries_test_case(const char * mname)183 static void add_pseries_test_case(const char *mname)
184 {
185 char *path;
186 PlugTestData *data;
187
188 if (!g_str_has_prefix(mname, "pseries-") ||
189 (g_str_has_prefix(mname, "pseries-2.") && atoi(&mname[10]) < 7)) {
190 return;
191 }
192 data = g_new(PlugTestData, 1);
193 data->machine = g_strdup(mname);
194 data->cpu_model = "power8_v2.0";
195 data->device_model = g_strdup("power8_v2.0-spapr-cpu-core");
196 data->sockets = 2;
197 data->cores = 3;
198 data->threads = 1;
199 data->maxcpus = data->sockets * data->cores * data->threads;
200
201 path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
202 mname, data->sockets, data->cores,
203 data->threads, data->maxcpus);
204 qtest_add_data_func_full(path, data, test_plug_with_device_add,
205 test_data_free);
206 g_free(path);
207 }
208
add_s390x_test_case(const char * mname)209 static void add_s390x_test_case(const char *mname)
210 {
211 char *path;
212 PlugTestData *data, *data2;
213
214 if (!g_str_has_prefix(mname, "s390-ccw-virtio-")) {
215 return;
216 }
217
218 data = g_new(PlugTestData, 1);
219 data->machine = g_strdup(mname);
220 data->cpu_model = "qemu";
221 data->device_model = g_strdup("qemu-s390x-cpu");
222 data->sockets = 1;
223 data->cores = 3;
224 data->threads = 1;
225 data->maxcpus = data->sockets * data->cores * data->threads;
226
227 data2 = g_memdup(data, sizeof(PlugTestData));
228 data2->machine = g_strdup(data->machine);
229 data2->device_model = g_strdup(data->device_model);
230
231 path = g_strdup_printf("cpu-plug/%s/cpu-add/%ux%ux%u&maxcpus=%u",
232 mname, data->sockets, data->cores,
233 data->threads, data->maxcpus);
234 qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
235 test_data_free);
236 g_free(path);
237
238 path = g_strdup_printf("cpu-plug/%s/device-add/%ux%ux%u&maxcpus=%u",
239 mname, data2->sockets, data2->cores,
240 data2->threads, data2->maxcpus);
241 qtest_add_data_func_full(path, data2, test_plug_with_device_add,
242 test_data_free);
243 g_free(path);
244 }
245
main(int argc,char ** argv)246 int main(int argc, char **argv)
247 {
248 const char *arch = qtest_get_arch();
249
250 g_test_init(&argc, &argv, NULL);
251
252 if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
253 qtest_cb_for_every_machine(add_pc_test_case, g_test_quick());
254 } else if (g_str_equal(arch, "ppc64")) {
255 qtest_cb_for_every_machine(add_pseries_test_case, g_test_quick());
256 } else if (g_str_equal(arch, "s390x")) {
257 qtest_cb_for_every_machine(add_s390x_test_case, g_test_quick());
258 }
259
260 return g_test_run();
261 }
262