Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20211016' into staging
[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/qapi-visit-qom.h"
23 #include "qapi/qmp/qdict.h"
24 #include "qapi/qmp/qerror.h"
25 #include "qapi/qobject-input-visitor.h"
26 #include "qapi/qobject-output-visitor.h"
27 #include "qemu/cutils.h"
28 #include "qom/object_interfaces.h"
29 #include "qom/qom-qobject.h"
30
31 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
32 {
33 Object *obj;
34 bool ambiguous = false;
35 ObjectPropertyInfoList *props = NULL;
36 ObjectProperty *prop;
37 ObjectPropertyIterator iter;
38
39 obj = object_resolve_path(path, &ambiguous);
40 if (obj == NULL) {
41 if (ambiguous) {
42 error_setg(errp, "Path '%s' is ambiguous", path);
43 } else {
44 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
45 "Device '%s' not found", path);
46 }
47 return NULL;
48 }
49
50 object_property_iter_init(&iter, obj);
51 while ((prop = object_property_iter_next(&iter))) {
52 ObjectPropertyInfo *value = g_malloc0(sizeof(ObjectPropertyInfo));
53
54 QAPI_LIST_PREPEND(props, value);
55
56 value->name = g_strdup(prop->name);
57 value->type = g_strdup(prop->type);
58 }
59
60 return props;
61 }
62
63 void qmp_qom_set(const char *path, const char *property, QObject *value,
64 Error **errp)
65 {
66 Object *obj;
67
68 obj = object_resolve_path(path, NULL);
69 if (!obj) {
70 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
71 "Device '%s' not found", path);
72 return;
73 }
74
75 object_property_set_qobject(obj, property, value, errp);
76 }
77
78 QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
79 {
80 Object *obj;
81
82 obj = object_resolve_path(path, NULL);
83 if (!obj) {
84 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
85 "Device '%s' not found", path);
86 return NULL;
87 }
88
89 return object_property_get_qobject(obj, property, errp);
90 }
91
92 static void qom_list_types_tramp(ObjectClass *klass, void *data)
93 {
94 ObjectTypeInfoList **pret = data;
95 ObjectTypeInfo *info;
96 ObjectClass *parent = object_class_get_parent(klass);
97
98 info = g_malloc0(sizeof(*info));
99 info->name = g_strdup(object_class_get_name(klass));
100 info->has_abstract = info->abstract = object_class_is_abstract(klass);
101 if (parent) {
102 info->has_parent = true;
103 info->parent = g_strdup(object_class_get_name(parent));
104 }
105
106 QAPI_LIST_PREPEND(*pret, info);
107 }
108
109 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
110 const char *implements,
111 bool has_abstract,
112 bool abstract,
113 Error **errp)
114 {
115 ObjectTypeInfoList *ret = NULL;
116
117 module_load_qom_all();
118 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
119
120 return ret;
121 }
122
123 ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
124 Error **errp)
125 {
126 ObjectClass *klass;
127 Object *obj;
128 ObjectProperty *prop;
129 ObjectPropertyIterator iter;
130 ObjectPropertyInfoList *prop_list = NULL;
131
132 klass = module_object_class_by_name(typename);
133 if (klass == NULL) {
134 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
135 "Device '%s' not found", typename);
136 return NULL;
137 }
138
139 if (!object_class_dynamic_cast(klass, TYPE_DEVICE)
140 || object_class_is_abstract(klass)) {
141 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
142 "a non-abstract device type");
143 return NULL;
144 }
145
146 obj = object_new(typename);
147
148 object_property_iter_init(&iter, obj);
149 while ((prop = object_property_iter_next(&iter))) {
150 ObjectPropertyInfo *info;
151
152 /* Skip Object and DeviceState properties */
153 if (strcmp(prop->name, "type") == 0 ||
154 strcmp(prop->name, "realized") == 0 ||
155 strcmp(prop->name, "hotpluggable") == 0 ||
156 strcmp(prop->name, "hotplugged") == 0 ||
157 strcmp(prop->name, "parent_bus") == 0) {
158 continue;
159 }
160
161 /* Skip legacy properties since they are just string versions of
162 * properties that we already list.
163 */
164 if (strstart(prop->name, "legacy-", NULL)) {
165 continue;
166 }
167
168 info = g_new0(ObjectPropertyInfo, 1);
169 info->name = g_strdup(prop->name);
170 info->type = g_strdup(prop->type);
171 info->has_description = !!prop->description;
172 info->description = g_strdup(prop->description);
173 info->default_value = qobject_ref(prop->defval);
174 info->has_default_value = !!info->default_value;
175
176 QAPI_LIST_PREPEND(prop_list, info);
177 }
178
179 object_unref(obj);
180
181 return prop_list;
182 }
183
184 ObjectPropertyInfoList *qmp_qom_list_properties(const char *typename,
185 Error **errp)
186 {
187 ObjectClass *klass;
188 Object *obj = NULL;
189 ObjectProperty *prop;
190 ObjectPropertyIterator iter;
191 ObjectPropertyInfoList *prop_list = NULL;
192
193 klass = object_class_by_name(typename);
194 if (klass == NULL) {
195 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
196 "Class '%s' not found", typename);
197 return NULL;
198 }
199
200 if (!object_class_dynamic_cast(klass, TYPE_OBJECT)) {
201 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
202 "a QOM type");
203 return NULL;
204 }
205
206 if (object_class_is_abstract(klass)) {
207 object_class_property_iter_init(&iter, klass);
208 } else {
209 obj = object_new(typename);
210 object_property_iter_init(&iter, obj);
211 }
212 while ((prop = object_property_iter_next(&iter))) {
213 ObjectPropertyInfo *info;
214
215 info = g_malloc0(sizeof(*info));
216 info->name = g_strdup(prop->name);
217 info->type = g_strdup(prop->type);
218 info->has_description = !!prop->description;
219 info->description = g_strdup(prop->description);
220
221 QAPI_LIST_PREPEND(prop_list, info);
222 }
223
224 object_unref(obj);
225
226 return prop_list;
227 }
228
229 void qmp_object_add(ObjectOptions *options, Error **errp)
230 {
231 user_creatable_add_qapi(options, errp);
232 }
233
234 void qmp_object_del(const char *id, Error **errp)
235 {
236 user_creatable_del(id, errp);
237 }