jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1#include "qemu/osdep.h"
2#include "qapi/qmp/qdict.h"
3#include "qapi/qmp/qjson.h"
4#include "qapi/qmp/qnum.h"
5#include "qapi/qmp/qstring.h"
6#include "qapi/error.h"
7#include "qapi/qobject-input-visitor.h"
8#include "tests/test-qapi-types.h"
9#include "tests/test-qapi-visit.h"
10#include "test-qapi-commands.h"
11#include "test-qapi-init-commands.h"
12
13static QmpCommandList qmp_commands;
14
15#if defined(TEST_IF_STRUCT) && defined(TEST_IF_CMD)
16UserDefThree *qmp_TestIfCmd(TestIfStruct *foo, Error **errp)
17{
18 return NULL;
19}
20#endif
21
22UserDefThree *qmp_TestCmdReturnDefThree(Error **errp)
23{
24 return NULL;
25}
26
27void qmp_user_def_cmd(Error **errp)
28{
29}
30
31void qmp_test_flags_command(Error **errp)
32{
33}
34
35void qmp_cmd_success_response(Error **errp)
36{
37}
38
39Empty2 *qmp_user_def_cmd0(Error **errp)
40{
41 return g_new0(Empty2, 1);
42}
43
44void qmp_user_def_cmd1(UserDefOne * ud1, Error **errp)
45{
46}
47
48void qmp_test_features0(FeatureStruct0 *fs0, FeatureStruct1 *fs1,
49 FeatureStruct2 *fs2, FeatureStruct3 *fs3,
50 FeatureStruct4 *fs4, CondFeatureStruct1 *cfs1,
51 CondFeatureStruct2 *cfs2, CondFeatureStruct3 *cfs3,
52 Error **errp)
53{
54}
55
56void qmp_test_command_features1(Error **errp)
57{
58}
59
60void qmp_test_command_features3(Error **errp)
61{
62}
63
64void qmp_test_command_cond_features1(Error **errp)
65{
66}
67
68void qmp_test_command_cond_features2(Error **errp)
69{
70}
71
72void qmp_test_command_cond_features3(Error **errp)
73{
74}
75
76UserDefTwo *qmp_user_def_cmd2(UserDefOne *ud1a,
77 bool has_udb1, UserDefOne *ud1b,
78 Error **errp)
79{
80 UserDefTwo *ret;
81 UserDefOne *ud1c = g_malloc0(sizeof(UserDefOne));
82 UserDefOne *ud1d = g_malloc0(sizeof(UserDefOne));
83
84 ud1c->string = strdup(ud1a->string);
85 ud1c->integer = ud1a->integer;
86 ud1d->string = strdup(has_udb1 ? ud1b->string : "blah0");
87 ud1d->integer = has_udb1 ? ud1b->integer : 0;
88
89 ret = g_new0(UserDefTwo, 1);
90 ret->string0 = strdup("blah1");
91 ret->dict1 = g_new0(UserDefTwoDict, 1);
92 ret->dict1->string1 = strdup("blah2");
93 ret->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
94 ret->dict1->dict2->userdef = ud1c;
95 ret->dict1->dict2->string = strdup("blah3");
96 ret->dict1->dict3 = g_new0(UserDefTwoDictDict, 1);
97 ret->dict1->has_dict3 = true;
98 ret->dict1->dict3->userdef = ud1d;
99 ret->dict1->dict3->string = strdup("blah4");
100
101 return ret;
102}
103
104int64_t qmp_guest_get_time(int64_t a, bool has_b, int64_t b, Error **errp)
105{
106 return a + (has_b ? b : 0);
107}
108
109QObject *qmp_guest_sync(QObject *arg, Error **errp)
110{
111 return arg;
112}
113
114void qmp_boxed_struct(UserDefZero *arg, Error **errp)
115{
116}
117
118void qmp_boxed_union(UserDefListUnion *arg, Error **errp)
119{
120}
121
122void qmp_boxed_empty(Empty1 *arg, Error **errp)
123{
124}
125
126__org_qemu_x_Union1 *qmp___org_qemu_x_command(__org_qemu_x_EnumList *a,
127 __org_qemu_x_StructList *b,
128 __org_qemu_x_Union2 *c,
129 __org_qemu_x_Alt *d,
130 Error **errp)
131{
132 __org_qemu_x_Union1 *ret = g_new0(__org_qemu_x_Union1, 1);
133
134 ret->type = ORG_QEMU_X_UNION1_KIND___ORG_QEMU_X_BRANCH;
135 ret->u.__org_qemu_x_branch.data = strdup("blah1");
136
137 /* Also test that 'wchar-t' was munged to 'q_wchar_t' */
138 if (b && b->value && !b->value->has_q_wchar_t) {
139 b->value->q_wchar_t = 1;
140 }
141 return ret;
142}
143
144
145static QObject *do_qmp_dispatch(bool allow_oob, const char *template, ...)
146{
147 va_list ap;
148 QDict *req, *resp;
149 QObject *ret;
150
151 va_start(ap, template);
152 req = qdict_from_vjsonf_nofail(template, ap);
153 va_end(ap);
154
155 resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob);
156 g_assert(resp);
157 ret = qdict_get(resp, "return");
158 g_assert(ret);
159 g_assert(qdict_size(resp) == 1);
160
161 qobject_ref(ret);
162 qobject_unref(resp);
163 qobject_unref(req);
164 return ret;
165}
166
167static void do_qmp_dispatch_error(bool allow_oob, ErrorClass cls,
168 const char *template, ...)
169{
170 va_list ap;
171 QDict *req, *resp;
172 QDict *error;
173
174 va_start(ap, template);
175 req = qdict_from_vjsonf_nofail(template, ap);
176 va_end(ap);
177
178 resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob);
179 g_assert(resp);
180 error = qdict_get_qdict(resp, "error");
181 g_assert(error);
182 g_assert_cmpstr(qdict_get_try_str(error, "class"),
183 ==, QapiErrorClass_str(cls));
184 g_assert(qdict_get_try_str(error, "desc"));
185 g_assert(qdict_size(error) == 2);
186 g_assert(qdict_size(resp) == 1);
187
188 qobject_unref(resp);
189 qobject_unref(req);
190}
191
192/* test commands with no input and no return value */
193static void test_dispatch_cmd(void)
194{
195 QDict *ret;
196
197 ret = qobject_to(QDict,
198 do_qmp_dispatch(false,
199 "{ 'execute': 'user_def_cmd' }"));
200 assert(ret && qdict_size(ret) == 0);
201 qobject_unref(ret);
202}
203
204static void test_dispatch_cmd_oob(void)
205{
206 QDict *ret;
207
208 ret = qobject_to(QDict,
209 do_qmp_dispatch(true,
210 "{ 'exec-oob': 'test-flags-command' }"));
211 assert(ret && qdict_size(ret) == 0);
212 qobject_unref(ret);
213}
214
215/* test commands that return an error due to invalid parameters */
216static void test_dispatch_cmd_failure(void)
217{
218 /* missing arguments */
219 do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR,
220 "{ 'execute': 'user_def_cmd2' }");
221
222 /* extra arguments */
223 do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR,
224 "{ 'execute': 'user_def_cmd',"
225 " 'arguments': { 'a': 66 } }");
226}
227
228static void test_dispatch_cmd_success_response(void)
229{
230 QDict *req = qdict_new();
231 QDict *resp;
232
233 qdict_put_str(req, "execute", "cmd-success-response");
234 resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false);
235 g_assert_null(resp);
236 qobject_unref(req);
237}
238
239/* test commands that involve both input parameters and return values */
240static void test_dispatch_cmd_io(void)
241{
242 QDict *ret, *ret_dict, *ret_dict_dict, *ret_dict_dict_userdef;
243 QDict *ret_dict_dict2, *ret_dict_dict2_userdef;
244 QNum *ret3;
245 int64_t val;
246
247 ret = qobject_to(QDict, do_qmp_dispatch(false,
248 "{ 'execute': 'user_def_cmd2', 'arguments': {"
249 " 'ud1a': { 'integer': 42, 'string': 'hello' },"
250 " 'ud1b': { 'integer': 422, 'string': 'hello2' } } }"));
251
252 assert(!strcmp(qdict_get_str(ret, "string0"), "blah1"));
253 ret_dict = qdict_get_qdict(ret, "dict1");
254 assert(!strcmp(qdict_get_str(ret_dict, "string1"), "blah2"));
255 ret_dict_dict = qdict_get_qdict(ret_dict, "dict2");
256 ret_dict_dict_userdef = qdict_get_qdict(ret_dict_dict, "userdef");
257 assert(qdict_get_int(ret_dict_dict_userdef, "integer") == 42);
258 assert(!strcmp(qdict_get_str(ret_dict_dict_userdef, "string"), "hello"));
259 assert(!strcmp(qdict_get_str(ret_dict_dict, "string"), "blah3"));
260 ret_dict_dict2 = qdict_get_qdict(ret_dict, "dict3");
261 ret_dict_dict2_userdef = qdict_get_qdict(ret_dict_dict2, "userdef");
262 assert(qdict_get_int(ret_dict_dict2_userdef, "integer") == 422);
263 assert(!strcmp(qdict_get_str(ret_dict_dict2_userdef, "string"), "hello2"));
264 assert(!strcmp(qdict_get_str(ret_dict_dict2, "string"), "blah4"));
265 qobject_unref(ret);
266
267 ret3 = qobject_to(QNum, do_qmp_dispatch(false,
268 "{ 'execute': 'guest-get-time', 'arguments': { 'a': 66 } }"));
269 g_assert(qnum_get_try_int(ret3, &val));
270 g_assert_cmpint(val, ==, 66);
271 qobject_unref(ret3);
272}
273
274/* test generated dealloc functions for generated types */
275static void test_dealloc_types(void)
276{
277 UserDefOne *ud1test, *ud1a, *ud1b;
278 UserDefOneList *ud1list;
279
280 ud1test = g_malloc0(sizeof(UserDefOne));
281 ud1test->integer = 42;
282 ud1test->string = g_strdup("hi there 42");
283
284 qapi_free_UserDefOne(ud1test);
285
286 ud1a = g_malloc0(sizeof(UserDefOne));
287 ud1a->integer = 43;
288 ud1a->string = g_strdup("hi there 43");
289
290 ud1b = g_malloc0(sizeof(UserDefOne));
291 ud1b->integer = 44;
292 ud1b->string = g_strdup("hi there 44");
293
294 ud1list = g_malloc0(sizeof(UserDefOneList));
295 ud1list->value = ud1a;
296 ud1list->next = g_malloc0(sizeof(UserDefOneList));
297 ud1list->next->value = ud1b;
298
299 qapi_free_UserDefOneList(ud1list);
300}
301
302/* test generated deallocation on an object whose construction was prematurely
303 * terminated due to an error */
304static void test_dealloc_partial(void)
305{
306 static const char text[] = "don't leak me";
307
308 UserDefTwo *ud2 = NULL;
309 Error *err = NULL;
310
311 /* create partial object */
312 {
313 QDict *ud2_dict;
314 Visitor *v;
315
316 ud2_dict = qdict_new();
317 qdict_put_str(ud2_dict, "string0", text);
318
319 v = qobject_input_visitor_new(QOBJECT(ud2_dict));
320 visit_type_UserDefTwo(v, NULL, &ud2, &err);
321 visit_free(v);
322 qobject_unref(ud2_dict);
323 }
324
325 /* verify that visit_type_XXX() cleans up properly on error */
326 error_free_or_abort(&err);
327 assert(!ud2);
328
329 /* Manually create a partial object, leaving ud2->dict1 at NULL */
330 ud2 = g_new0(UserDefTwo, 1);
331 ud2->string0 = g_strdup(text);
332
333 /* tear down partial object */
334 qapi_free_UserDefTwo(ud2);
335}
336
337
338int main(int argc, char **argv)
339{
340 g_test_init(&argc, &argv, NULL);
341
342 g_test_add_func("/qmp/dispatch_cmd", test_dispatch_cmd);
343 g_test_add_func("/qmp/dispatch_cmd_oob", test_dispatch_cmd_oob);
344 g_test_add_func("/qmp/dispatch_cmd_failure", test_dispatch_cmd_failure);
345 g_test_add_func("/qmp/dispatch_cmd_io", test_dispatch_cmd_io);
346 g_test_add_func("/qmp/dispatch_cmd_success_response",
347 test_dispatch_cmd_success_response);
348 g_test_add_func("/qmp/dealloc_types", test_dealloc_types);
349 g_test_add_func("/qmp/dealloc_partial", test_dealloc_partial);
350
351 test_qmp_init_marshal(&qmp_commands);
352 g_test_run();
353
354 return 0;
355}