fuzz: use qemu_get_exec_dir
[qemu.git] / qom / qom-qmp-cmds.c
1 /*
2 * QMP commands related to QOM
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
12 * Contributions after 2012-01-13 are licensed under the terms of the
13 * GNU GPL, version 2 or (at your option) any later version.
14 */
15
16 #include "qemu/osdep.h"
17 #include "block/qdict.h"
18 #include "hw/qdev-core.h"
19 #include "qapi/error.h"
20 #include "qapi/qapi-commands-qdev.h"
21 #include "qapi/qapi-commands-qom.h"
22 #include "qapi/qmp/qdict.h"
23 #include "qapi/qmp/qerror.h"
24 #include "qemu/cutils.h"
25 #include "qom/object_interfaces.h"
26 #include "qom/qom-qobject.h"
27
28 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
29 {
30 Object *obj;
31 bool ambiguous = false;
32 ObjectPropertyInfoList *props = NULL;
33 ObjectProperty *prop;
34 ObjectPropertyIterator iter;
35
36 obj = object_resolve_path(path, &ambiguous);
37 if (obj == NULL) {
38 if (ambiguous) {
39 error_setg(errp, "Path '%s' is ambiguous", path);
40 } else {
41 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
42 "Device '%s' not found", path);
43 }
44 return NULL;
45 }
46
47 object_property_iter_init(&iter, obj);
48 while ((prop = object_property_iter_next(&iter))) {
49 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
50
51 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
52 entry->next = props;
53 props = entry;
54
55 entry->value->name = g_strdup(prop->name);
56 entry->value->type = g_strdup(prop->type);
57 }
58
59 return props;
60 }
61
62 void qmp_qom_set(const char *path, const char *property, QObject *value,
63 Error **errp)
64 {
65 Object *obj;
66
67 obj = object_resolve_path(path, NULL);
68 if (!obj) {
69 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
70 "Device '%s' not found", path);
71 return;
72 }
73
74 object_property_set_qobject(obj, property, value, errp);
75 }
76
77 QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
78 {
79 Object *obj;
80
81 obj = object_resolve_path(path, NULL);
82 if (!obj) {
83 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
84 "Device '%s' not found", path);
85 return NULL;
86 }
87
88 return object_property_get_qobject(obj, property, errp);
89 }
90
91 static void qom_list_types_tramp(ObjectClass *klass, void *data)
92 {
93 ObjectTypeInfoList *e, **pret = data;
94 ObjectTypeInfo *info;
95 ObjectClass *parent = object_class_get_parent(klass);
96
97 info = g_malloc0(sizeof(*info));
98 info->name = g_strdup(object_class_get_name(klass));
99 info->has_abstract = info->abstract = object_class_is_abstract(klass);
100 if (parent) {
101 info->has_parent = true;
102 info->parent = g_strdup(object_class_get_name(parent));
103 }
104
105 e = g_malloc0(sizeof(*e));
106 e->value = info;
107 e->next = *pret;
108 *pret = e;
109 }
110
111 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
112 const char *implements,
113 bool has_abstract,
114 bool abstract,
115 Error **errp)
116 {
117 ObjectTypeInfoList *ret = NULL;
118
119 module_load_qom_all();
120 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
121
122 return ret;
123 }
124
125 ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
126 Error **errp)
127 {
128 ObjectClass *klass;
129 Object *obj;
130 ObjectProperty *prop;
131 ObjectPropertyIterator iter;
132 ObjectPropertyInfoList *prop_list = NULL;
133
134 klass = module_object_class_by_name(typename);
135 if (klass == NULL) {
136 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
137 "Device '%s' not found", typename);
138 return NULL;
139 }
140
141 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
142 if (klass == NULL) {
143 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_DEVICE);
144 return NULL;
145 }
146
147 if (object_class_is_abstract(klass)) {
148 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
149 "non-abstract device type");
150 return NULL;
151 }
152
153 obj = object_new(typename);
154
155 object_property_iter_init(&iter, obj);
156 while ((prop = object_property_iter_next(&iter))) {
157 ObjectPropertyInfo *info;
158 ObjectPropertyInfoList *entry;
159
160 /* Skip Object and DeviceState properties */
161 if (strcmp(prop->name, "type") == 0 ||
162 strcmp(prop->name, "realized") == 0 ||
163 strcmp(prop->name, "hotpluggable") == 0 ||
164 strcmp(prop->name, "hotplugged") == 0 ||
165 strcmp(prop->name, "parent_bus") == 0) {
166 continue;
167 }
168
169 /* Skip legacy properties since they are just string versions of
170 * properties that we already list.
171 */
172 if (strstart(prop->name, "legacy-", NULL)) {
173 continue;
174 }
175
176 info = g_new0(ObjectPropertyInfo, 1);
177 info->name = g_strdup(prop->name);
178 info->type = g_strdup(prop->type);
179 info->has_description = !!prop->description;
180 info->description = g_strdup(prop->description);
181 info->default_value = qobject_ref(prop->defval);
182 info->has_default_value = !!info->default_value;
183
184 entry = g_malloc0(sizeof(*entry));
185 entry->value = info;
186 entry->next = prop_list;
187 prop_list = entry;
188 }
189
190 object_unref(obj);
191
192 return prop_list;
193 }
194
195 ObjectPropertyInfoList *qmp_qom_list_properties(const char *typename,
196 Error **errp)
197 {
198 ObjectClass *klass;
199 Object *obj = NULL;
200 ObjectProperty *prop;
201 ObjectPropertyIterator iter;
202 ObjectPropertyInfoList *prop_list = NULL;
203
204 klass = object_class_by_name(typename);
205 if (klass == NULL) {
206 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
207 "Class '%s' not found", typename);
208 return NULL;
209 }
210
211 klass = object_class_dynamic_cast(klass, TYPE_OBJECT);
212 if (klass == NULL) {
213 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_OBJECT);
214 return NULL;
215 }
216
217 if (object_class_is_abstract(klass)) {
218 object_class_property_iter_init(&iter, klass);
219 } else {
220 obj = object_new(typename);
221 object_property_iter_init(&iter, obj);
222 }
223 while ((prop = object_property_iter_next(&iter))) {
224 ObjectPropertyInfo *info;
225 ObjectPropertyInfoList *entry;
226
227 info = g_malloc0(sizeof(*info));
228 info->name = g_strdup(prop->name);
229 info->type = g_strdup(prop->type);
230 info->has_description = !!prop->description;
231 info->description = g_strdup(prop->description);
232
233 entry = g_malloc0(sizeof(*entry));
234 entry->value = info;
235 entry->next = prop_list;
236 prop_list = entry;
237 }
238
239 object_unref(obj);
240
241 return prop_list;
242 }
243
244 void qmp_object_add(QDict *qdict, QObject **ret_data, Error **errp)
245 {
246 QObject *props;
247 QDict *pdict;
248
249 props = qdict_get(qdict, "props");
250 if (props) {
251 pdict = qobject_to(QDict, props);
252 if (!pdict) {
253 error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
254 return;
255 }
256 qobject_ref(pdict);
257 qdict_del(qdict, "props");
258 qdict_join(qdict, pdict, false);
259 if (qdict_size(pdict) != 0) {
260 error_setg(errp, "Option in 'props' conflicts with top level");
261 qobject_unref(pdict);
262 return;
263 }
264 qobject_unref(pdict);
265 }
266
267 user_creatable_add_dict(qdict, false, errp);
268 }
269
270 void qmp_object_del(const char *id, Error **errp)
271 {
272 user_creatable_del(id, errp);
273 }