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 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-vm-generation-id", ERROR_CLASS_GENERIC_ERROR }, 49 #ifndef CONFIG_PROFILER 50 { "x-query-profile", ERROR_CLASS_GENERIC_ERROR }, 51 #endif 52 /* Only valid with a USB bus added */ 53 { "x-query-usb", ERROR_CLASS_GENERIC_ERROR }, 54 /* Only valid with accel=tcg */ 55 { "x-query-jit", ERROR_CLASS_GENERIC_ERROR }, 56 { "x-query-opcount", ERROR_CLASS_GENERIC_ERROR }, 57 { NULL, -1 } 58 }; 59 int i; 60 61 for (i = 0; fails[i].cmd; i++) { 62 if (!strcmp(cmd, fails[i].cmd)) { 63 return fails[i].err_class; 64 } 65 } 66 return -1; 67 } 68 69 static void test_query(const void *data) 70 { 71 const char *cmd = data; 72 int expected_error_class = query_error_class(cmd); 73 QDict *resp, *error; 74 const char *error_class; 75 QTestState *qts; 76 77 qts = qtest_init(common_args); 78 79 resp = qtest_qmp(qts, "{ 'execute': %s }", cmd); 80 error = qdict_get_qdict(resp, "error"); 81 error_class = error ? qdict_get_str(error, "class") : NULL; 82 83 if (expected_error_class < 0) { 84 g_assert(qdict_haskey(resp, "return")); 85 } else { 86 g_assert(error); 87 g_assert_cmpint(qapi_enum_parse(&QapiErrorClass_lookup, error_class, 88 -1, &error_abort), 89 ==, expected_error_class); 90 } 91 qobject_unref(resp); 92 93 qtest_quit(qts); 94 } 95 96 static bool query_is_ignored(const char *cmd) 97 { 98 const char *ignored[] = { 99 /* Not actually queries: */ 100 "add-fd", 101 /* Success depends on target arch: */ 102 "query-cpu-definitions", /* arm, i386, ppc, s390x */ 103 "query-gic-capabilities", /* arm */ 104 /* Success depends on target-specific build configuration: */ 105 "query-pci", /* CONFIG_PCI */ 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; 131 132 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 } 157 158 static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name) 159 { 160 return g_hash_table_lookup(schema->hash, name); 161 } 162 163 static void qmp_schema_cleanup(QmpSchema *schema) 164 { 165 qapi_free_SchemaInfoList(schema->list); 166 g_hash_table_destroy(schema->hash); 167 } 168 169 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->has_q_default) { 177 return true; 178 } 179 } 180 181 return false; 182 } 183 184 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 } 217 218 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 } 343 344 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