Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-09-01-v3' into staging

QAPI patches for 2017-09-01

# gpg: Signature made Mon 04 Sep 2017 12:30:31 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2017-09-01-v3: (47 commits)
  qapi: drop the sentinel in enum array
  qapi: Change data type of the FOO_lookup generated for enum FOO
  qapi: Convert indirect uses of FOO_lookup[...] to qapi_enum_lookup()
  qapi: Mechanically convert FOO_lookup[...] to FOO_str(...)
  qapi: Generate FOO_str() macro for QAPI enum FOO
  qapi: Avoid unnecessary use of enum lookup table's sentinel
  qapi: Use qapi_enum_parse() in input_type_enum()
  crypto: Use qapi_enum_parse() in qcrypto_block_luks_name_lookup()
  quorum: Use qapi_enum_parse() in quorum_open()
  block: Use qemu_enum_parse() in blkdebug_debug_breakpoint()
  hmp: Use qapi_enum_parse() in hmp_migrate_set_parameter()
  hmp: Use qapi_enum_parse() in hmp_migrate_set_capability()
  tpm: Clean up model registration & lookup
  tpm: Clean up driver registration & lookup
  qapi: Drop superfluous qapi_enum_parse() parameter max
  qapi: Update qapi-code-gen.txt examples to match current code
  qapi-schema: Improve section headings
  qapi-schema: Move queries from common.json to qapi-schema.json
  qapi-schema: Make block-core.json self-contained
  qapi-schema: Fold event.json back into qapi-schema.json
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

18 files changed, 323 insertions, 151 deletions

diff --git a/tests/Makefile.include b/tests/Makefile.include
index f08b741..fae5715 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -43,6 +43,8 @@ check-unit-y += tests/check-qnull$(EXESUF)
 gcov-files-check-qnull-y = qobject/qnull.c
 check-unit-y += tests/check-qjson$(EXESUF)
 gcov-files-check-qjson-y = qobject/qjson.c
+check-unit-y += tests/check-qlit$(EXESUF)
+gcov-files-check-qlit-y = qobject/qlit.c
 check-unit-y += tests/test-qobject-output-visitor$(EXESUF)
 gcov-files-test-qobject-output-visitor-y = qapi/qobject-output-visitor.c
 check-unit-y += tests/test-clone-visitor$(EXESUF)
@@ -376,6 +378,8 @@ qapi-schema += alternate-conflict-dict.json
 qapi-schema += alternate-conflict-enum-bool.json
 qapi-schema += alternate-conflict-enum-int.json
 qapi-schema += alternate-conflict-string.json
+qapi-schema += alternate-conflict-bool-string.json
+qapi-schema += alternate-conflict-num-string.json
 qapi-schema += alternate-empty.json
 qapi-schema += alternate-nested.json
 qapi-schema += alternate-unknown.json
@@ -539,7 +543,7 @@ GENERATED_FILES += tests/test-qapi-types.h tests/test-qapi-visit.h \
 
 test-obj-y = tests/check-qnum.o tests/check-qstring.o tests/check-qdict.o \
 	tests/check-qlist.o tests/check-qnull.o \
-	tests/check-qjson.o \
+	tests/check-qjson.o tests/check-qlit.o \
 	tests/test-coroutine.o tests/test-string-output-visitor.o \
 	tests/test-string-input-visitor.o tests/test-qobject-output-visitor.o \
 	tests/test-clone-visitor.o \
@@ -573,6 +577,7 @@ tests/check-qdict$(EXESUF): tests/check-qdict.o $(test-util-obj-y)
 tests/check-qlist$(EXESUF): tests/check-qlist.o $(test-util-obj-y)
 tests/check-qnull$(EXESUF): tests/check-qnull.o $(test-util-obj-y)
 tests/check-qjson$(EXESUF): tests/check-qjson.o $(test-util-obj-y)
+tests/check-qlit$(EXESUF): tests/check-qlit.o $(test-util-obj-y)
 tests/check-qom-interface$(EXESUF): tests/check-qom-interface.o $(test-qom-obj-y)
 tests/check-qom-proplist$(EXESUF): tests/check-qom-proplist.o $(test-qom-obj-y)
 
diff --git a/tests/check-qjson.c b/tests/check-qjson.c
index a3a97b0..5922793 100644
--- a/tests/check-qjson.c
+++ b/tests/check-qjson.c
@@ -16,6 +16,7 @@
 #include "qapi/error.h"
 #include "qapi/qmp/types.h"
 #include "qapi/qmp/qjson.h"
+#include "qapi/qmp/qlit.h"
 #include "qemu-common.h"
 
 static void escaped_string(void)
@@ -1059,123 +1060,28 @@ static void keyword_literal(void)
     QDECREF(null);
 }
 
-typedef struct LiteralQDictEntry LiteralQDictEntry;
-typedef struct LiteralQObject LiteralQObject;
-
-struct LiteralQObject
-{
-    int type;
-    union {
-        int64_t qnum;
-        const char *qstr;
-        LiteralQDictEntry *qdict;
-        LiteralQObject *qlist;
-    } value;
-};
-
-struct LiteralQDictEntry
-{
-    const char *key;
-    LiteralQObject value;
-};
-
-#define QLIT_QNUM(val) (LiteralQObject){.type = QTYPE_QNUM, .value.qnum = (val)}
-#define QLIT_QSTR(val) (LiteralQObject){.type = QTYPE_QSTRING, .value.qstr = (val)}
-#define QLIT_QDICT(val) (LiteralQObject){.type = QTYPE_QDICT, .value.qdict = (val)}
-#define QLIT_QLIST(val) (LiteralQObject){.type = QTYPE_QLIST, .value.qlist = (val)}
-
-typedef struct QListCompareHelper
-{
-    int index;
-    LiteralQObject *objs;
-    int result;
-} QListCompareHelper;
-
-static int compare_litqobj_to_qobj(LiteralQObject *lhs, QObject *rhs);
-
-static void compare_helper(QObject *obj, void *opaque)
-{
-    QListCompareHelper *helper = opaque;
-
-    if (helper->result == 0) {
-        return;
-    }
-
-    if (helper->objs[helper->index].type == QTYPE_NONE) {
-        helper->result = 0;
-        return;
-    }
-
-    helper->result = compare_litqobj_to_qobj(&helper->objs[helper->index++], obj);
-}
-
-static int compare_litqobj_to_qobj(LiteralQObject *lhs, QObject *rhs)
-{
-    int64_t val;
-
-    if (!rhs || lhs->type != qobject_type(rhs)) {
-        return 0;
-    }
-
-    switch (lhs->type) {
-    case QTYPE_QNUM:
-        g_assert(qnum_get_try_int(qobject_to_qnum(rhs), &val));
-        return lhs->value.qnum == val;
-    case QTYPE_QSTRING:
-        return (strcmp(lhs->value.qstr, qstring_get_str(qobject_to_qstring(rhs))) == 0);
-    case QTYPE_QDICT: {
-        int i;
-
-        for (i = 0; lhs->value.qdict[i].key; i++) {
-            QObject *obj = qdict_get(qobject_to_qdict(rhs), lhs->value.qdict[i].key);
-
-            if (!compare_litqobj_to_qobj(&lhs->value.qdict[i].value, obj)) {
-                return 0;
-            }
-        }
-
-        return 1;
-    }
-    case QTYPE_QLIST: {
-        QListCompareHelper helper;
-
-        helper.index = 0;
-        helper.objs = lhs->value.qlist;
-        helper.result = 1;
-        
-        qlist_iter(qobject_to_qlist(rhs), compare_helper, &helper);
-
-        return helper.result;
-    }
-    default:
-        break;
-    }
-
-    return 0;
-}
-
 static void simple_dict(void)
 {
     int i;
     struct {
         const char *encoded;
-        LiteralQObject decoded;
+        QLitObject decoded;
     } test_cases[] = {
         {
             .encoded = "{\"foo\": 42, \"bar\": \"hello world\"}",
-            .decoded = QLIT_QDICT(((LiteralQDictEntry[]){
+            .decoded = QLIT_QDICT(((QLitDictEntry[]){
                         { "foo", QLIT_QNUM(42) },
                         { "bar", QLIT_QSTR("hello world") },
                         { }
                     })),
         }, {
             .encoded = "{}",
-            .decoded = QLIT_QDICT(((LiteralQDictEntry[]){
+            .decoded = QLIT_QDICT(((QLitDictEntry[]){
                         { }
                     })),
         }, {
             .encoded = "{\"foo\": 43}",
-            .decoded = QLIT_QDICT(((LiteralQDictEntry[]){
+            .decoded = QLIT_QDICT(((QLitDictEntry[]){
                         { "foo", QLIT_QNUM(43) },
                         { }
                     })),
@@ -1188,13 +1094,13 @@ static void simple_dict(void)
         QString *str;
 
         obj = qobject_from_json(test_cases[i].encoded, &error_abort);
-        g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
 
         str = qobject_to_json(obj);
         qobject_decref(obj);
 
         obj = qobject_from_json(qstring_get_str(str), &error_abort);
-        g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
         qobject_decref(obj);
         QDECREF(str);
     }
@@ -1257,11 +1163,11 @@ static void simple_list(void)
     int i;
     struct {
         const char *encoded;
-        LiteralQObject decoded;
+        QLitObject decoded;
     } test_cases[] = {
         {
             .encoded = "[43,42]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
                         QLIT_QNUM(43),
                         QLIT_QNUM(42),
                         { }
@@ -1269,21 +1175,21 @@ static void simple_list(void)
         },
         {
             .encoded = "[43]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
                         QLIT_QNUM(43),
                         { }
                     })),
         },
         {
             .encoded = "[]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
                         { }
                     })),
         },
         {
             .encoded = "[{}]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QDICT(((LiteralQDictEntry[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
+                        QLIT_QDICT(((QLitDictEntry[]){
                                     {},
                                         })),
                         {},
@@ -1297,13 +1203,13 @@ static void simple_list(void)
         QString *str;
 
         obj = qobject_from_json(test_cases[i].encoded, &error_abort);
-        g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
 
         str = qobject_to_json(obj);
         qobject_decref(obj);
 
         obj = qobject_from_json(qstring_get_str(str), &error_abort);
-        g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
         qobject_decref(obj);
         QDECREF(str);
     }
@@ -1314,11 +1220,11 @@ static void simple_whitespace(void)
     int i;
     struct {
         const char *encoded;
-        LiteralQObject decoded;
+        QLitObject decoded;
     } test_cases[] = {
         {
             .encoded = " [ 43 , 42 ]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
                         QLIT_QNUM(43),
                         QLIT_QNUM(42),
                         { }
@@ -1326,12 +1232,12 @@ static void simple_whitespace(void)
         },
         {
             .encoded = " [ 43 , { 'h' : 'b' }, [ ], 42 ]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
                         QLIT_QNUM(43),
-                        QLIT_QDICT(((LiteralQDictEntry[]){
+                        QLIT_QDICT(((QLitDictEntry[]){
                                     { "h", QLIT_QSTR("b") },
                                     { }})),
-                        QLIT_QLIST(((LiteralQObject[]){
+                        QLIT_QLIST(((QLitObject[]){
                                     { }})),
                         QLIT_QNUM(42),
                         { }
@@ -1339,13 +1245,13 @@ static void simple_whitespace(void)
         },
         {
             .encoded = " [ 43 , { 'h' : 'b' , 'a' : 32 }, [ ], 42 ]",
-            .decoded = QLIT_QLIST(((LiteralQObject[]){
+            .decoded = QLIT_QLIST(((QLitObject[]){
                         QLIT_QNUM(43),
-                        QLIT_QDICT(((LiteralQDictEntry[]){
+                        QLIT_QDICT(((QLitDictEntry[]){
                                     { "h", QLIT_QSTR("b") },
                                     { "a", QLIT_QNUM(32) },
                                     { }})),
-                        QLIT_QLIST(((LiteralQObject[]){
+                        QLIT_QLIST(((QLitObject[]){
                                     { }})),
                         QLIT_QNUM(42),
                         { }
@@ -1359,13 +1265,13 @@ static void simple_whitespace(void)
         QString *str;
 
         obj = qobject_from_json(test_cases[i].encoded, &error_abort);
-        g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
 
         str = qobject_to_json(obj);
         qobject_decref(obj);
 
         obj = qobject_from_json(qstring_get_str(str), &error_abort);
-        g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
+        g_assert(qlit_equal_qobject(&test_cases[i].decoded, obj));
 
         qobject_decref(obj);
         QDECREF(str);
@@ -1376,10 +1282,10 @@ static void simple_varargs(void)
 {
     QObject *embedded_obj;
     QObject *obj;
-    LiteralQObject decoded = QLIT_QLIST(((LiteralQObject[]){
+    QLitObject decoded = QLIT_QLIST(((QLitObject[]){
             QLIT_QNUM(1),
             QLIT_QNUM(2),
-            QLIT_QLIST(((LiteralQObject[]){
+            QLIT_QLIST(((QLitObject[]){
                         QLIT_QNUM(32),
                         QLIT_QNUM(42),
                         {}})),
@@ -1389,7 +1295,7 @@ static void simple_varargs(void)
     g_assert(embedded_obj != NULL);
 
     obj = qobject_from_jsonf("[%d, 2, %p]", 1, embedded_obj);
-    g_assert(compare_litqobj_to_qobj(&decoded, obj) == 1);
+    g_assert(qlit_equal_qobject(&decoded, obj));
 
     qobject_decref(obj);
 }
diff --git a/tests/check-qlit.c b/tests/check-qlit.c
new file mode 100644
index 0000000..c59ec1a
--- /dev/null
+++ b/tests/check-qlit.c
@@ -0,0 +1,74 @@
+/*
+ * QLit unit-tests.
+ *
+ * Copyright (C) 2017 Red Hat Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/qmp/qbool.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qlit.h"
+#include "qapi/qmp/qnum.h"
+#include "qapi/qmp/qstring.h"
+
+static QLitObject qlit = QLIT_QDICT(((QLitDictEntry[]) {
+    { "foo", QLIT_QNUM(42) },
+    { "bar", QLIT_QSTR("hello world") },
+    { "baz", QLIT_QNULL },
+    { "bee", QLIT_QLIST(((QLitObject[]) {
+        QLIT_QNUM(43),
+        QLIT_QNUM(44),
+        QLIT_QBOOL(true),
+        { },
+    }))},
+    { },
+}));
+
+static QLitObject qlit_foo = QLIT_QDICT(((QLitDictEntry[]) {
+    { "foo", QLIT_QNUM(42) },
+    { },
+}));
+
+static QObject *make_qobject(void)
+{
+    QDict *qdict = qdict_new();
+    QList *list = qlist_new();
+
+    qdict_put_int(qdict, "foo", 42);
+    qdict_put_str(qdict, "bar", "hello world");
+    qdict_put_null(qdict, "baz");
+
+    qlist_append_int(list, 43);
+    qlist_append_int(list, 44);
+    qlist_append_bool(list, true);
+    qdict_put(qdict, "bee", list);
+
+    return QOBJECT(qdict);
+}
+
+static void qlit_equal_qobject_test(void)
+{
+    QObject *qobj = make_qobject();
+
+    g_assert(qlit_equal_qobject(&qlit, qobj));
+
+    g_assert(!qlit_equal_qobject(&qlit_foo, qobj));
+
+    qdict_put(qobject_to_qdict(qobj), "bee", qlist_new());
+    g_assert(!qlit_equal_qobject(&qlit, qobj));
+
+    qobject_decref(qobj);
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    g_test_add_func("/qlit/equal_qobject", qlit_equal_qobject_test);
+
+    return g_test_run();
+}
diff --git a/tests/check-qom-proplist.c b/tests/check-qom-proplist.c
index c51e6e7..92898e1 100644
--- a/tests/check-qom-proplist.c
+++ b/tests/check-qom-proplist.c
@@ -46,11 +46,13 @@ enum DummyAnimal {
     DUMMY_LAST,
 };
 
-static const char *const dummy_animal_map[DUMMY_LAST + 1] = {
-    [DUMMY_FROG] = "frog",
-    [DUMMY_ALLIGATOR] = "alligator",
-    [DUMMY_PLATYPUS] = "platypus",
-    [DUMMY_LAST] = NULL,
+const QEnumLookup dummy_animal_map = {
+    .array = (const char *const[]) {
+        [DUMMY_FROG] = "frog",
+        [DUMMY_ALLIGATOR] = "alligator",
+        [DUMMY_PLATYPUS] = "platypus",
+    },
+    .size = DUMMY_LAST
 };
 
 struct DummyObject {
@@ -142,7 +144,7 @@ static void dummy_class_init(ObjectClass *cls, void *data)
                                   NULL);
     object_class_property_add_enum(cls, "av",
                                    "DummyAnimal",
-                                   dummy_animal_map,
+                                   &dummy_animal_map,
                                    dummy_get_av,
                                    dummy_set_av,
                                    NULL);
diff --git a/tests/qapi-schema/alternate-conflict-bool-string.err b/tests/qapi-schema/alternate-conflict-bool-string.err
new file mode 100644
index 0000000..e52fee7
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-bool-string.err
@@ -0,0 +1 @@
+tests/qapi-schema/alternate-conflict-bool-string.json:2: Alternate 'Alt' member 'two' can't be distinguished from member 'one'
diff --git a/tests/qapi-schema/alternate-conflict-bool-string.exit b/tests/qapi-schema/alternate-conflict-bool-string.exit
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-bool-string.exit
@@ -0,0 +1 @@
+1
diff --git a/tests/qapi-schema/alternate-conflict-bool-string.json b/tests/qapi-schema/alternate-conflict-bool-string.json
new file mode 100644
index 0000000..0544de1
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-bool-string.json
@@ -0,0 +1,4 @@
+# alternate branches of 'str' type conflict with all scalar types
+{ 'alternate': 'Alt',
+  'data': { 'one': 'bool',
+            'two': 'str' } }
diff --git a/tests/qapi-schema/alternate-conflict-bool-string.out b/tests/qapi-schema/alternate-conflict-bool-string.out
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-bool-string.out
diff --git a/tests/qapi-schema/alternate-conflict-num-string.err b/tests/qapi-schema/alternate-conflict-num-string.err
new file mode 100644
index 0000000..5ba3827
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-num-string.err
@@ -0,0 +1 @@
+tests/qapi-schema/alternate-conflict-num-string.json:2: Alternate 'Alt' member 'two' can't be distinguished from member 'one'
diff --git a/tests/qapi-schema/alternate-conflict-num-string.exit b/tests/qapi-schema/alternate-conflict-num-string.exit
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-num-string.exit
@@ -0,0 +1 @@
+1
diff --git a/tests/qapi-schema/alternate-conflict-num-string.json b/tests/qapi-schema/alternate-conflict-num-string.json
new file mode 100644
index 0000000..ae90144
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-num-string.json
@@ -0,0 +1,4 @@
+# alternate branches of 'str' type conflict with all scalar types
+{ 'alternate': 'Alt',
+  'data': { 'one': 'number',
+            'two': 'str' } }
diff --git a/tests/qapi-schema/alternate-conflict-num-string.out b/tests/qapi-schema/alternate-conflict-num-string.out
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-num-string.out
diff --git a/tests/qmp-test.c b/tests/qmp-test.c
index 5d0260b..c5a5c10 100644
--- a/tests/qmp-test.c
+++ b/tests/qmp-test.c
@@ -15,6 +15,7 @@
 #include "qapi-visit.h"
 #include "qapi/error.h"
 #include "qapi/qobject-input-visitor.h"
+#include "qapi/util.h"
 #include "qapi/visitor.h"
 
 const char common_args[] = "-nodefaults -machine none";
@@ -129,11 +130,189 @@ static void test_qmp_protocol(void)
     qtest_end();
 }
 
+static int query_error_class(const char *cmd)
+{
+    static struct {
+        const char *cmd;
+        int err_class;
+    } fails[] = {
+        /* Success depends on build configuration: */
+#ifndef CONFIG_SPICE
+        { "query-spice", ERROR_CLASS_COMMAND_NOT_FOUND },
+#endif
+#ifndef CONFIG_VNC
+        { "query-vnc", ERROR_CLASS_GENERIC_ERROR },
+        { "query-vnc-servers", ERROR_CLASS_GENERIC_ERROR },
+#endif
+#ifndef CONFIG_REPLICATION
+        { "query-xen-replication-status", ERROR_CLASS_COMMAND_NOT_FOUND },
+#endif
+        /* Likewise, and require special QEMU command-line arguments: */
+        { "query-acpi-ospm-status", ERROR_CLASS_GENERIC_ERROR },
+        { "query-balloon", ERROR_CLASS_DEVICE_NOT_ACTIVE },
+        { "query-hotpluggable-cpus", ERROR_CLASS_GENERIC_ERROR },
+        { "query-vm-generation-id", ERROR_CLASS_GENERIC_ERROR },
+        { NULL, -1 }
+    };
+    int i;
+
+    for (i = 0; fails[i].cmd; i++) {
+        if (!strcmp(cmd, fails[i].cmd)) {
+            return fails[i].err_class;
+        }
+    }
+    return -1;
+}
+
+static void test_query(const void *data)
+{
+    const char *cmd = data;
+    int expected_error_class = query_error_class(cmd);
+    QDict *resp, *error;
+    const char *error_class;
+
+    qtest_start(common_args);
+
+    resp = qmp("{ 'execute': %s }", cmd);
+    error = qdict_get_qdict(resp, "error");
+    error_class = error ? qdict_get_str(error, "class") : NULL;
+
+    if (expected_error_class < 0) {
+        g_assert(qdict_haskey(resp, "return"));
+    } else {
+        g_assert(error);
+        g_assert_cmpint(qapi_enum_parse(&QapiErrorClass_lookup, error_class,
+                                        -1, &error_abort),
+                        ==, expected_error_class);
+    }
+    QDECREF(resp);
+
+    qtest_end();
+}
+
+static bool query_is_blacklisted(const char *cmd)
+{
+    const char *blacklist[] = {
+        /* Not actually queries: */
+        "add-fd",
+        /* Success depends on target arch: */
+        "query-cpu-definitions",  /* arm, i386, ppc, s390x */
+        "query-gic-capabilities", /* arm */
+        /* Success depends on target-specific build configuration: */
+        "query-pci",              /* CONFIG_PCI */
+        NULL
+    };
+    int i;
+
+    for (i = 0; blacklist[i]; i++) {
+        if (!strcmp(cmd, blacklist[i])) {
+            return true;
+        }
+    }
+    return false;
+}
+
+typedef struct {
+    SchemaInfoList *list;
+    GHashTable *hash;
+} QmpSchema;
+
+static void qmp_schema_init(QmpSchema *schema)
+{
+    QDict *resp;
+    Visitor *qiv;
+    SchemaInfoList *tail;
+
+    qtest_start(common_args);
+    resp = qmp("{ 'execute': 'query-qmp-schema' }");
+
+    qiv = qobject_input_visitor_new(qdict_get(resp, "return"));
+    visit_type_SchemaInfoList(qiv, NULL, &schema->list, &error_abort);
+    visit_free(qiv);
+
+    QDECREF(resp);
+    qtest_end();
+
+    schema->hash = g_hash_table_new(g_str_hash, g_str_equal);
+
+    /* Build @schema: hash table mapping entity name to SchemaInfo */
+    for (tail = schema->list; tail; tail = tail->next) {
+        g_hash_table_insert(schema->hash, tail->value->name, tail->value);
+    }
+}
+
+static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name)
+{
+    return g_hash_table_lookup(schema->hash, name);
+}
+
+static void qmp_schema_cleanup(QmpSchema *schema)
+{
+    qapi_free_SchemaInfoList(schema->list);
+    g_hash_table_destroy(schema->hash);
+}
+
+static bool object_type_has_mandatory_members(SchemaInfo *type)
+{
+    SchemaInfoObjectMemberList *tail;
+
+    g_assert(type->meta_type == SCHEMA_META_TYPE_OBJECT);
+
+    for (tail = type->u.object.members; tail; tail = tail->next) {
+        if (!tail->value->has_q_default) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static void add_query_tests(QmpSchema *schema)
+{
+    SchemaInfoList *tail;
+    SchemaInfo *si, *arg_type, *ret_type;
+    const char *test_name;
+
+    /* Test the query-like commands */
+    for (tail = schema->list; tail; tail = tail->next) {
+        si = tail->value;
+        if (si->meta_type != SCHEMA_META_TYPE_COMMAND) {
+            continue;
+        }
+
+        if (query_is_blacklisted(si->name)) {
+            continue;
+        }
+
+        arg_type = qmp_schema_lookup(schema, si->u.command.arg_type);
+        if (object_type_has_mandatory_members(arg_type)) {
+            continue;
+        }
+
+        ret_type = qmp_schema_lookup(schema, si->u.command.ret_type);
+        if (ret_type->meta_type == SCHEMA_META_TYPE_OBJECT
+            && !ret_type->u.object.members) {
+            continue;
+        }
+
+        test_name = g_strdup_printf("qmp/%s", si->name);
+        qtest_add_data_func(test_name, si->name, test_query);
+    }
+}
+
 int main(int argc, char *argv[])
 {
+    QmpSchema schema;
+    int ret;
+
     g_test_init(&argc, &argv, NULL);
 
     qtest_add_func("qmp/protocol", test_qmp_protocol);
+    qmp_schema_init(&schema);
+    add_query_tests(&schema);
+
+    ret = g_test_run();
 
-    return g_test_run();
+    qmp_schema_cleanup(&schema);
+    return ret;
 }
diff --git a/tests/test-qapi-util.c b/tests/test-qapi-util.c
index e869757..4b5e4f8 100644
--- a/tests/test-qapi-util.c
+++ b/tests/test-qapi-util.c
@@ -12,7 +12,6 @@
 
 #include "qemu/osdep.h"
 #include "qapi/error.h"
-#include "qapi/util.h"
 #include "test-qapi-types.h"
 
 static void test_qapi_enum_parse(void)
@@ -20,25 +19,20 @@ static void test_qapi_enum_parse(void)
     Error *err = NULL;
     int ret;
 
-    ret = qapi_enum_parse(QType_lookup, NULL, QTYPE__MAX, QTYPE_NONE,
-                          &error_abort);
+    ret = qapi_enum_parse(&QType_lookup, NULL, QTYPE_NONE, &error_abort);
     g_assert_cmpint(ret, ==, QTYPE_NONE);
 
-    ret = qapi_enum_parse(QType_lookup, "junk", QTYPE__MAX, -1,
-                          NULL);
+    ret = qapi_enum_parse(&QType_lookup, "junk", -1, NULL);
     g_assert_cmpint(ret, ==, -1);
 
-    ret = qapi_enum_parse(QType_lookup, "junk", QTYPE__MAX, -1,
-                          &err);
+    ret = qapi_enum_parse(&QType_lookup, "junk", -1, &err);
     error_free_or_abort(&err);
 
-    ret = qapi_enum_parse(QType_lookup, "none", QTYPE__MAX, -1,
-                          &error_abort);
+    ret = qapi_enum_parse(&QType_lookup, "none", -1, &error_abort);
     g_assert_cmpint(ret, ==, QTYPE_NONE);
 
-    ret = qapi_enum_parse(QType_lookup, QType_lookup[QTYPE__MAX - 1],
-                          QTYPE__MAX, QTYPE__MAX - 1,
-                          &error_abort);
+    ret = qapi_enum_parse(&QType_lookup, QType_str(QTYPE__MAX - 1),
+                          QTYPE__MAX - 1, &error_abort);
     g_assert_cmpint(ret, ==, QTYPE__MAX - 1);
 }
 
diff --git a/tests/test-qobject-input-visitor.c b/tests/test-qobject-input-visitor.c
index bcf0261..fe59181 100644
--- a/tests/test-qobject-input-visitor.c
+++ b/tests/test-qobject-input-visitor.c
@@ -382,10 +382,10 @@ static void test_visitor_in_enum(TestInputVisitorData *data,
     Visitor *v;
     EnumOne i;
 
-    for (i = 0; EnumOne_lookup[i]; i++) {
+    for (i = 0; i < ENUM_ONE__MAX; i++) {
         EnumOne res = -1;
 
-        v = visitor_input_test_init(data, "%s", EnumOne_lookup[i]);
+        v = visitor_input_test_init(data, "%s", EnumOne_str(i));
 
         visit_type_EnumOne(v, NULL, &res, &error_abort);
         g_assert_cmpint(i, ==, res);
@@ -699,7 +699,7 @@ static void test_native_list_integer_helper(TestInputVisitorData *data,
         }
     }
     g_string_append_printf(gstr_union,  "{ 'type': '%s', 'data': [ %s ] }",
-                           UserDefNativeListUnionKind_lookup[kind],
+                           UserDefNativeListUnionKind_str(kind),
                            gstr_list->str);
     v = visitor_input_test_init_raw(data,  gstr_union->str);
 
@@ -1110,7 +1110,7 @@ static void test_visitor_in_fail_struct_missing(TestInputVisitorData *data,
     error_free_or_abort(&err);
     visit_optional(v, "optional", &present);
     g_assert(!present);
-    visit_type_enum(v, "enum", &en, EnumOne_lookup, &err);
+    visit_type_enum(v, "enum", &en, &EnumOne_lookup, &err);
     error_free_or_abort(&err);
     visit_type_int(v, "i64", &i64, &err);
     error_free_or_abort(&err);
diff --git a/tests/test-qobject-output-visitor.c b/tests/test-qobject-output-visitor.c
index 7eb1620..d375100 100644
--- a/tests/test-qobject-output-visitor.c
+++ b/tests/test-qobject-output-visitor.c
@@ -133,7 +133,7 @@ static void test_visitor_out_enum(TestOutputVisitorData *data,
 
         qstr = qobject_to_qstring(visitor_get(data));
         g_assert(qstr);
-        g_assert_cmpstr(qstring_get_str(qstr), ==, EnumOne_lookup[i]);
+        g_assert_cmpstr(qstring_get_str(qstr), ==, EnumOne_str(i));
         visitor_reset(data);
     }
 }
diff --git a/tests/test-string-input-visitor.c b/tests/test-string-input-visitor.c
index 79313a7..4f9c36b 100644
--- a/tests/test-string-input-visitor.c
+++ b/tests/test-string-input-visitor.c
@@ -279,10 +279,10 @@ static void test_visitor_in_enum(TestInputVisitorData *data,
     Visitor *v;
     EnumOne i;
 
-    for (i = 0; EnumOne_lookup[i]; i++) {
+    for (i = 0; i < ENUM_ONE__MAX; i++) {
         EnumOne res = -1;
 
-        v = visitor_input_test_init(data, EnumOne_lookup[i]);
+        v = visitor_input_test_init(data, EnumOne_str(i));
 
         visit_type_EnumOne(v, NULL, &res, &err);
         g_assert(!err);
diff --git a/tests/test-string-output-visitor.c b/tests/test-string-output-visitor.c
index e736db3..385cddb 100644
--- a/tests/test-string-output-visitor.c
+++ b/tests/test-string-output-visitor.c
@@ -194,12 +194,12 @@ static void test_visitor_out_enum(TestOutputVisitorData *data,
 
         str = visitor_get(data);
         if (data->human) {
-            char *str_human = g_strdup_printf("\"%s\"", EnumOne_lookup[i]);
+            char *str_human = g_strdup_printf("\"%s\"", EnumOne_str(i));
 
             g_assert_cmpstr(str, ==, str_human);
             g_free(str_human);
         } else {
-            g_assert_cmpstr(str, ==, EnumOne_lookup[i]);
+            g_assert_cmpstr(str, ==, EnumOne_str(i));
         }
         visitor_reset(data);
     }