xref: /openbmc/qemu/tests/qtest/qmp-cmd-test.c (revision 259ebed4)
1 /*
2  * QMP command test cases
3  *
4  * Copyright (c) 2017 Red Hat Inc.
5  *
6  * Authors:
7  *  Markus Armbruster <armbru@redhat.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  */
12 
13 #include "qemu/osdep.h"
14 #include "libqtest.h"
15 #include "qapi/error.h"
16 #include "qapi/qapi-visit-introspect.h"
17 #include "qapi/qmp/qdict.h"
18 #include "qapi/qobject-input-visitor.h"
19 
20 const char common_args[] = "-nodefaults -machine none";
21 
22 /* Query smoke tests */
23 
query_error_class(const char * cmd)24 static int query_error_class(const char *cmd)
25 {
26     static struct {
27         const char *cmd;
28         int err_class;
29     } fails[] = {
30         /* Success depends on build configuration: */
31 #ifndef CONFIG_SPICE
32         { "query-spice", ERROR_CLASS_COMMAND_NOT_FOUND },
33 #endif
34 #ifndef CONFIG_TCG
35         { "query-replay", ERROR_CLASS_COMMAND_NOT_FOUND },
36 #endif
37 #ifndef CONFIG_VNC
38         { "query-vnc", ERROR_CLASS_GENERIC_ERROR },
39         { "query-vnc-servers", ERROR_CLASS_GENERIC_ERROR },
40 #endif
41 #ifndef CONFIG_REPLICATION
42         { "query-xen-replication-status", ERROR_CLASS_COMMAND_NOT_FOUND },
43 #endif
44         /* Likewise, and require special QEMU command-line arguments: */
45         { "query-acpi-ospm-status", ERROR_CLASS_GENERIC_ERROR },
46         { "query-balloon", ERROR_CLASS_DEVICE_NOT_ACTIVE },
47         { "query-hotpluggable-cpus", ERROR_CLASS_GENERIC_ERROR },
48         { "query-hv-balloon-status-report", ERROR_CLASS_GENERIC_ERROR },
49         { "query-vm-generation-id", ERROR_CLASS_GENERIC_ERROR },
50         /* Only valid with a USB bus added */
51         { "x-query-usb", ERROR_CLASS_GENERIC_ERROR },
52         /* Only valid with accel=tcg */
53         { "x-query-jit", ERROR_CLASS_GENERIC_ERROR },
54         { "x-query-opcount", ERROR_CLASS_GENERIC_ERROR },
55         { "xen-event-list", ERROR_CLASS_GENERIC_ERROR },
56         { NULL, -1 }
57     };
58     int i;
59 
60     for (i = 0; fails[i].cmd; i++) {
61         if (!strcmp(cmd, fails[i].cmd)) {
62             return fails[i].err_class;
63         }
64     }
65     return -1;
66 }
67 
test_query(const void * data)68 static void test_query(const void *data)
69 {
70     const char *cmd = data;
71     int expected_error_class = query_error_class(cmd);
72     QDict *resp, *error;
73     const char *error_class;
74     QTestState *qts;
75 
76     qts = qtest_init(common_args);
77 
78     resp = qtest_qmp(qts, "{ 'execute': %s }", cmd);
79     error = qdict_get_qdict(resp, "error");
80     error_class = error ? qdict_get_str(error, "class") : NULL;
81 
82     if (expected_error_class < 0) {
83         g_assert(qdict_haskey(resp, "return"));
84     } else {
85         g_assert(error);
86         g_assert_cmpint(qapi_enum_parse(&QapiErrorClass_lookup, error_class,
87                                         -1, &error_abort),
88                         ==, expected_error_class);
89     }
90     qobject_unref(resp);
91 
92     qtest_quit(qts);
93 }
94 
query_is_ignored(const char * cmd)95 static bool query_is_ignored(const char *cmd)
96 {
97     const char *ignored[] = {
98         /* Not actually queries: */
99         "add-fd",
100         /* Success depends on target arch: */
101         "query-cpu-definitions",  /* arm, i386, ppc, s390x */
102         "query-gic-capabilities", /* arm */
103         /* Success depends on target-specific build configuration: */
104         "query-pci",              /* CONFIG_PCI */
105         "x-query-virtio",         /* CONFIG_VIRTIO */
106         /* Success depends on launching SEV guest */
107         "query-sev-launch-measure",
108         /* Success depends on Host or Hypervisor SEV support */
109         "query-sev",
110         "query-sev-capabilities",
111         "query-sgx",
112         "query-sgx-capabilities",
113         /* Success depends on enabling dirty page rate limit */
114         "query-vcpu-dirty-limit",
115         NULL
116     };
117     int i;
118 
119     for (i = 0; ignored[i]; i++) {
120         if (!strcmp(cmd, ignored[i])) {
121             return true;
122         }
123     }
124     return false;
125 }
126 
127 typedef struct {
128     SchemaInfoList *list;
129     GHashTable *hash;
130 } QmpSchema;
131 
qmp_schema_init(QmpSchema * schema)132 static void qmp_schema_init(QmpSchema *schema)
133 {
134     QDict *resp;
135     Visitor *qiv;
136     SchemaInfoList *tail;
137     QTestState *qts;
138 
139     qts = qtest_init(common_args);
140 
141     resp = qtest_qmp(qts, "{ 'execute': 'query-qmp-schema' }");
142 
143     qiv = qobject_input_visitor_new(qdict_get(resp, "return"));
144     visit_type_SchemaInfoList(qiv, NULL, &schema->list, &error_abort);
145     visit_free(qiv);
146 
147     qobject_unref(resp);
148     qtest_quit(qts);
149 
150     schema->hash = g_hash_table_new(g_str_hash, g_str_equal);
151 
152     /* Build @schema: hash table mapping entity name to SchemaInfo */
153     for (tail = schema->list; tail; tail = tail->next) {
154         g_hash_table_insert(schema->hash, tail->value->name, tail->value);
155     }
156 }
157 
qmp_schema_lookup(QmpSchema * schema,const char * name)158 static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name)
159 {
160     return g_hash_table_lookup(schema->hash, name);
161 }
162 
qmp_schema_cleanup(QmpSchema * schema)163 static void qmp_schema_cleanup(QmpSchema *schema)
164 {
165     qapi_free_SchemaInfoList(schema->list);
166     g_hash_table_destroy(schema->hash);
167 }
168 
object_type_has_mandatory_members(SchemaInfo * type)169 static bool object_type_has_mandatory_members(SchemaInfo *type)
170 {
171     SchemaInfoObjectMemberList *tail;
172 
173     g_assert(type->meta_type == SCHEMA_META_TYPE_OBJECT);
174 
175     for (tail = type->u.object.members; tail; tail = tail->next) {
176         if (!tail->value->q_default) {
177             return true;
178         }
179     }
180 
181     return false;
182 }
183 
add_query_tests(QmpSchema * schema)184 static void add_query_tests(QmpSchema *schema)
185 {
186     SchemaInfoList *tail;
187     SchemaInfo *si, *arg_type, *ret_type;
188     char *test_name;
189 
190     /* Test the query-like commands */
191     for (tail = schema->list; tail; tail = tail->next) {
192         si = tail->value;
193         if (si->meta_type != SCHEMA_META_TYPE_COMMAND) {
194             continue;
195         }
196 
197         if (query_is_ignored(si->name)) {
198             continue;
199         }
200 
201         arg_type = qmp_schema_lookup(schema, si->u.command.arg_type);
202         if (object_type_has_mandatory_members(arg_type)) {
203             continue;
204         }
205 
206         ret_type = qmp_schema_lookup(schema, si->u.command.ret_type);
207         if (ret_type->meta_type == SCHEMA_META_TYPE_OBJECT
208             && !ret_type->u.object.members) {
209             continue;
210         }
211 
212         test_name = g_strdup_printf("qmp/%s", si->name);
213         qtest_add_data_func(test_name, si->name, test_query);
214         g_free(test_name);
215     }
216 }
217 
test_object_add_failure_modes(void)218 static void test_object_add_failure_modes(void)
219 {
220     QTestState *qts;
221     QDict *resp;
222 
223     /* attempt to create an object without props */
224     qts = qtest_init(common_args);
225     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
226                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1' } }");
227     g_assert_nonnull(resp);
228     qmp_expect_error_and_unref(resp, "GenericError");
229 
230     /* attempt to create an object without qom-type */
231     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
232                      " {'id': 'ram1' } }");
233     g_assert_nonnull(resp);
234     qmp_expect_error_and_unref(resp, "GenericError");
235 
236     /* attempt to delete an object that does not exist */
237     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
238                      " {'id': 'ram1' } }");
239     g_assert_nonnull(resp);
240     qmp_expect_error_and_unref(resp, "GenericError");
241 
242     /* attempt to create 2 objects with duplicate id */
243     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
244                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
245                      " 'size': 1048576 } }");
246     g_assert_nonnull(resp);
247     g_assert(qdict_haskey(resp, "return"));
248     qobject_unref(resp);
249 
250     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
251                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
252                      " 'size': 1048576 } }");
253     g_assert_nonnull(resp);
254     qmp_expect_error_and_unref(resp, "GenericError");
255 
256     /* delete ram1 object */
257     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
258                      " {'id': 'ram1' } }");
259     g_assert_nonnull(resp);
260     g_assert(qdict_haskey(resp, "return"));
261     qobject_unref(resp);
262 
263     /* attempt to create an object with a property of a wrong type */
264     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
265                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
266                      " 'size': '1048576' } }");
267     g_assert_nonnull(resp);
268     /* now do it right */
269     qmp_expect_error_and_unref(resp, "GenericError");
270 
271     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
272                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
273                      " 'size': 1048576 } }");
274     g_assert_nonnull(resp);
275     g_assert(qdict_haskey(resp, "return"));
276     qobject_unref(resp);
277 
278     /* delete ram1 object */
279     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
280                      " {'id': 'ram1' } }");
281     g_assert_nonnull(resp);
282     g_assert(qdict_haskey(resp, "return"));
283     qobject_unref(resp);
284 
285     /* attempt to create an object without the id */
286     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
287                      " {'qom-type': 'memory-backend-ram',"
288                      " 'size': 1048576 } }");
289     g_assert_nonnull(resp);
290     qmp_expect_error_and_unref(resp, "GenericError");
291 
292     /* now do it right */
293     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
294                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
295                      " 'size': 1048576 } }");
296     g_assert_nonnull(resp);
297     g_assert(qdict_haskey(resp, "return"));
298     qobject_unref(resp);
299 
300     /* delete ram1 object */
301     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
302                      " {'id': 'ram1' } }");
303     g_assert_nonnull(resp);
304     g_assert(qdict_haskey(resp, "return"));
305     qobject_unref(resp);
306 
307     /* attempt to set a non existing property */
308     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
309                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
310                      " 'sized': 1048576 } }");
311     g_assert_nonnull(resp);
312     qmp_expect_error_and_unref(resp, "GenericError");
313 
314     /* now do it right */
315     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
316                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
317                      " 'size': 1048576 } }");
318     g_assert_nonnull(resp);
319     g_assert(qdict_haskey(resp, "return"));
320     qobject_unref(resp);
321 
322     /* delete ram1 object without id */
323     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
324                      " {'ida': 'ram1' } }");
325     g_assert_nonnull(resp);
326     qobject_unref(resp);
327 
328     /* delete ram1 object */
329     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
330                      " {'id': 'ram1' } }");
331     g_assert_nonnull(resp);
332     g_assert(qdict_haskey(resp, "return"));
333     qobject_unref(resp);
334 
335     /* delete ram1 object that does not exist anymore*/
336     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
337                      " {'id': 'ram1' } }");
338     g_assert_nonnull(resp);
339     qmp_expect_error_and_unref(resp, "GenericError");
340 
341     qtest_quit(qts);
342 }
343 
main(int argc,char * argv[])344 int main(int argc, char *argv[])
345 {
346     QmpSchema schema;
347     int ret;
348 
349     g_test_init(&argc, &argv, NULL);
350 
351     qmp_schema_init(&schema);
352     add_query_tests(&schema);
353 
354     qtest_add_func("qmp/object-add-failure-modes",
355                    test_object_add_failure_modes);
356 
357     ret = g_test_run();
358 
359     qmp_schema_cleanup(&schema);
360     return ret;
361 }
362