Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Object Model |
| 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 or later. |
| 10 | * See the COPYING file in the top-level directory. |
| 11 | */ |
| 12 | |
Peter Maydell | 9bbc853 | 2016-01-29 17:50:02 +0000 | [diff] [blame] | 13 | #include "qemu/osdep.h" |
Markus Armbruster | 13d4ff0 | 2019-08-12 07:23:37 +0200 | [diff] [blame] | 14 | #include "hw/qdev-core.h" |
Markus Armbruster | da34e65 | 2016-03-14 09:01:28 +0100 | [diff] [blame] | 15 | #include "qapi/error.h" |
Paolo Bonzini | 14cccb6 | 2012-12-17 18:19:50 +0100 | [diff] [blame] | 16 | #include "qom/object.h" |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 17 | #include "qom/object_interfaces.h" |
Veronia Bahaa | f348b6d | 2016-03-20 19:16:19 +0200 | [diff] [blame] | 18 | #include "qemu/cutils.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 19 | #include "qapi/visitor.h" |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 20 | #include "qapi/string-input-visitor.h" |
| 21 | #include "qapi/string-output-visitor.h" |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 22 | #include "qapi/qobject-input-visitor.h" |
Markus Armbruster | eb815e2 | 2018-02-11 10:36:05 +0100 | [diff] [blame] | 23 | #include "qapi/qapi-builtin-visit.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 24 | #include "qapi/qmp/qerror.h" |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 25 | #include "qapi/qmp/qjson.h" |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 26 | #include "trace.h" |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 27 | |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 28 | /* TODO: replace QObject with a simpler visitor to avoid a dependency |
| 29 | * of the QOM core on QObject? */ |
Paolo Bonzini | 14cccb6 | 2012-12-17 18:19:50 +0100 | [diff] [blame] | 30 | #include "qom/qom-qobject.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 31 | #include "qapi/qmp/qbool.h" |
Markus Armbruster | 15280c3 | 2018-02-01 12:18:36 +0100 | [diff] [blame] | 32 | #include "qapi/qmp/qnum.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 33 | #include "qapi/qmp/qstring.h" |
Philippe Mathieu-Daudé | e02bdf1 | 2019-04-27 15:56:42 +0200 | [diff] [blame] | 34 | #include "qemu/error-report.h" |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 35 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 36 | #define MAX_INTERFACES 32 |
| 37 | |
| 38 | typedef struct InterfaceImpl InterfaceImpl; |
| 39 | typedef struct TypeImpl TypeImpl; |
| 40 | |
| 41 | struct InterfaceImpl |
| 42 | { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 43 | const char *typename; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 44 | }; |
| 45 | |
| 46 | struct TypeImpl |
| 47 | { |
| 48 | const char *name; |
| 49 | |
| 50 | size_t class_size; |
| 51 | |
| 52 | size_t instance_size; |
Richard Henderson | 4c880f3 | 2020-09-15 17:46:34 -0700 | [diff] [blame] | 53 | size_t instance_align; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 54 | |
| 55 | void (*class_init)(ObjectClass *klass, void *data); |
Paolo Bonzini | 3b50e31 | 2012-05-02 13:30:55 +0200 | [diff] [blame] | 56 | void (*class_base_init)(ObjectClass *klass, void *data); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 57 | |
| 58 | void *class_data; |
| 59 | |
| 60 | void (*instance_init)(Object *obj); |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 61 | void (*instance_post_init)(Object *obj); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 62 | void (*instance_finalize)(Object *obj); |
| 63 | |
| 64 | bool abstract; |
| 65 | |
| 66 | const char *parent; |
| 67 | TypeImpl *parent_type; |
| 68 | |
| 69 | ObjectClass *class; |
| 70 | |
| 71 | int num_interfaces; |
| 72 | InterfaceImpl interfaces[MAX_INTERFACES]; |
| 73 | }; |
| 74 | |
Paolo Bonzini | 9970bd8 | 2012-02-03 11:51:39 +0100 | [diff] [blame] | 75 | static Type type_interface; |
| 76 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 77 | static GHashTable *type_table_get(void) |
| 78 | { |
| 79 | static GHashTable *type_table; |
| 80 | |
| 81 | if (type_table == NULL) { |
| 82 | type_table = g_hash_table_new(g_str_hash, g_str_equal); |
| 83 | } |
| 84 | |
| 85 | return type_table; |
| 86 | } |
| 87 | |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 88 | static bool enumerating_types; |
| 89 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 90 | static void type_table_add(TypeImpl *ti) |
| 91 | { |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 92 | assert(!enumerating_types); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 93 | g_hash_table_insert(type_table_get(), (void *)ti->name, ti); |
| 94 | } |
| 95 | |
| 96 | static TypeImpl *type_table_lookup(const char *name) |
| 97 | { |
| 98 | return g_hash_table_lookup(type_table_get(), name); |
| 99 | } |
| 100 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 101 | static TypeImpl *type_new(const TypeInfo *info) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 102 | { |
| 103 | TypeImpl *ti = g_malloc0(sizeof(*ti)); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 104 | int i; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 105 | |
| 106 | g_assert(info->name != NULL); |
| 107 | |
Anthony Liguori | 7309335 | 2012-01-25 13:37:36 -0600 | [diff] [blame] | 108 | if (type_table_lookup(info->name) != NULL) { |
| 109 | fprintf(stderr, "Registering `%s' which already exists\n", info->name); |
| 110 | abort(); |
| 111 | } |
| 112 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 113 | ti->name = g_strdup(info->name); |
| 114 | ti->parent = g_strdup(info->parent); |
| 115 | |
| 116 | ti->class_size = info->class_size; |
| 117 | ti->instance_size = info->instance_size; |
Richard Henderson | 4c880f3 | 2020-09-15 17:46:34 -0700 | [diff] [blame] | 118 | ti->instance_align = info->instance_align; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 119 | |
| 120 | ti->class_init = info->class_init; |
Paolo Bonzini | 3b50e31 | 2012-05-02 13:30:55 +0200 | [diff] [blame] | 121 | ti->class_base_init = info->class_base_init; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 122 | ti->class_data = info->class_data; |
| 123 | |
| 124 | ti->instance_init = info->instance_init; |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 125 | ti->instance_post_init = info->instance_post_init; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 126 | ti->instance_finalize = info->instance_finalize; |
| 127 | |
| 128 | ti->abstract = info->abstract; |
| 129 | |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 130 | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
| 131 | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 132 | } |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 133 | ti->num_interfaces = i; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 134 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 135 | return ti; |
| 136 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 137 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 138 | static TypeImpl *type_register_internal(const TypeInfo *info) |
| 139 | { |
| 140 | TypeImpl *ti; |
| 141 | ti = type_new(info); |
| 142 | |
| 143 | type_table_add(ti); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 144 | return ti; |
| 145 | } |
| 146 | |
Paolo Bonzini | 049cb3c | 2012-04-04 15:58:40 +0200 | [diff] [blame] | 147 | TypeImpl *type_register(const TypeInfo *info) |
| 148 | { |
| 149 | assert(info->parent); |
| 150 | return type_register_internal(info); |
| 151 | } |
| 152 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 153 | TypeImpl *type_register_static(const TypeInfo *info) |
| 154 | { |
| 155 | return type_register(info); |
| 156 | } |
| 157 | |
Igor Mammedov | aa04c9d2 | 2017-10-09 21:50:49 +0200 | [diff] [blame] | 158 | void type_register_static_array(const TypeInfo *infos, int nr_infos) |
| 159 | { |
| 160 | int i; |
| 161 | |
| 162 | for (i = 0; i < nr_infos; i++) { |
| 163 | type_register_static(&infos[i]); |
| 164 | } |
| 165 | } |
| 166 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 167 | static TypeImpl *type_get_by_name(const char *name) |
| 168 | { |
| 169 | if (name == NULL) { |
| 170 | return NULL; |
| 171 | } |
| 172 | |
| 173 | return type_table_lookup(name); |
| 174 | } |
| 175 | |
| 176 | static TypeImpl *type_get_parent(TypeImpl *type) |
| 177 | { |
| 178 | if (!type->parent_type && type->parent) { |
| 179 | type->parent_type = type_get_by_name(type->parent); |
Philippe Mathieu-Daudé | 89d337f | 2020-01-21 12:03:45 +0100 | [diff] [blame] | 180 | if (!type->parent_type) { |
| 181 | fprintf(stderr, "Type '%s' is missing its parent '%s'\n", |
| 182 | type->name, type->parent); |
| 183 | abort(); |
| 184 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | return type->parent_type; |
| 188 | } |
| 189 | |
| 190 | static bool type_has_parent(TypeImpl *type) |
| 191 | { |
| 192 | return (type->parent != NULL); |
| 193 | } |
| 194 | |
| 195 | static size_t type_class_get_size(TypeImpl *ti) |
| 196 | { |
| 197 | if (ti->class_size) { |
| 198 | return ti->class_size; |
| 199 | } |
| 200 | |
| 201 | if (type_has_parent(ti)) { |
| 202 | return type_class_get_size(type_get_parent(ti)); |
| 203 | } |
| 204 | |
| 205 | return sizeof(ObjectClass); |
| 206 | } |
| 207 | |
Igor Mitsyanko | aca59af | 2012-02-28 15:57:10 +0400 | [diff] [blame] | 208 | static size_t type_object_get_size(TypeImpl *ti) |
| 209 | { |
| 210 | if (ti->instance_size) { |
| 211 | return ti->instance_size; |
| 212 | } |
| 213 | |
| 214 | if (type_has_parent(ti)) { |
| 215 | return type_object_get_size(type_get_parent(ti)); |
| 216 | } |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | |
Bharata B Rao | 3f97b53 | 2016-06-10 06:29:00 +0530 | [diff] [blame] | 221 | size_t object_type_get_instance_size(const char *typename) |
| 222 | { |
| 223 | TypeImpl *type = type_get_by_name(typename); |
| 224 | |
| 225 | g_assert(type != NULL); |
| 226 | return type_object_get_size(type); |
| 227 | } |
| 228 | |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 229 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 230 | { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 231 | assert(target_type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 232 | |
Cao jin | b30d805 | 2015-11-03 10:36:42 +0800 | [diff] [blame] | 233 | /* Check if target_type is a direct ancestor of type */ |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 234 | while (type) { |
| 235 | if (type == target_type) { |
| 236 | return true; |
| 237 | } |
| 238 | |
| 239 | type = type_get_parent(type); |
| 240 | } |
| 241 | |
| 242 | return false; |
| 243 | } |
| 244 | |
| 245 | static void type_initialize(TypeImpl *ti); |
| 246 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 247 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
| 248 | TypeImpl *parent_type) |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 249 | { |
| 250 | InterfaceClass *new_iface; |
| 251 | TypeInfo info = { }; |
| 252 | TypeImpl *iface_impl; |
| 253 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 254 | info.parent = parent_type->name; |
| 255 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 256 | info.abstract = true; |
| 257 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 258 | iface_impl = type_new(&info); |
| 259 | iface_impl->parent_type = parent_type; |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 260 | type_initialize(iface_impl); |
| 261 | g_free((char *)info.name); |
| 262 | |
| 263 | new_iface = (InterfaceClass *)iface_impl->class; |
| 264 | new_iface->concrete_class = ti->class; |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 265 | new_iface->interface_type = interface_type; |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 266 | |
Masahiro Yamada | 3d91293 | 2020-05-13 03:25:01 +0900 | [diff] [blame] | 267 | ti->class->interfaces = g_slist_append(ti->class->interfaces, new_iface); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 268 | } |
| 269 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 270 | static void object_property_free(gpointer data) |
| 271 | { |
| 272 | ObjectProperty *prop = data; |
| 273 | |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 274 | if (prop->defval) { |
| 275 | qobject_unref(prop->defval); |
| 276 | prop->defval = NULL; |
| 277 | } |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 278 | g_free(prop->name); |
| 279 | g_free(prop->type); |
| 280 | g_free(prop->description); |
| 281 | g_free(prop); |
| 282 | } |
| 283 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 284 | static void type_initialize(TypeImpl *ti) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 285 | { |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 286 | TypeImpl *parent; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 287 | |
| 288 | if (ti->class) { |
| 289 | return; |
| 290 | } |
| 291 | |
| 292 | ti->class_size = type_class_get_size(ti); |
Igor Mitsyanko | aca59af | 2012-02-28 15:57:10 +0400 | [diff] [blame] | 293 | ti->instance_size = type_object_get_size(ti); |
Eduardo Habkost | 1c6d75d | 2016-12-12 16:31:01 -0200 | [diff] [blame] | 294 | /* Any type with zero instance_size is implicitly abstract. |
| 295 | * This means interface types are all abstract. |
| 296 | */ |
| 297 | if (ti->instance_size == 0) { |
| 298 | ti->abstract = true; |
| 299 | } |
Marc-André Lureau | 422ca14 | 2018-09-12 16:53:03 +0400 | [diff] [blame] | 300 | if (type_is_ancestor(ti, type_interface)) { |
| 301 | assert(ti->instance_size == 0); |
| 302 | assert(ti->abstract); |
| 303 | assert(!ti->instance_init); |
| 304 | assert(!ti->instance_post_init); |
| 305 | assert(!ti->instance_finalize); |
| 306 | assert(!ti->num_interfaces); |
| 307 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 308 | ti->class = g_malloc0(ti->class_size); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 309 | |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 310 | parent = type_get_parent(ti); |
| 311 | if (parent) { |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 312 | type_initialize(parent); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 313 | GSList *e; |
| 314 | int i; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 315 | |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 316 | g_assert(parent->class_size <= ti->class_size); |
Marc-André Lureau | d5e633f | 2020-01-10 19:30:14 +0400 | [diff] [blame] | 317 | g_assert(parent->instance_size <= ti->instance_size); |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 318 | memcpy(ti->class, parent->class, parent->class_size); |
Peter Crosthwaite | 3e407de | 2013-02-19 14:02:09 +1000 | [diff] [blame] | 319 | ti->class->interfaces = NULL; |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 320 | |
| 321 | for (e = parent->class->interfaces; e; e = e->next) { |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 322 | InterfaceClass *iface = e->data; |
| 323 | ObjectClass *klass = OBJECT_CLASS(iface); |
| 324 | |
| 325 | type_initialize_interface(ti, iface->interface_type, klass->type); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | for (i = 0; i < ti->num_interfaces; i++) { |
| 329 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); |
Philippe Mathieu-Daudé | a9ee3a9 | 2020-01-18 17:23:48 +0100 | [diff] [blame] | 330 | if (!t) { |
| 331 | error_report("missing interface '%s' for object '%s'", |
| 332 | ti->interfaces[i].typename, parent->name); |
| 333 | abort(); |
| 334 | } |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 335 | for (e = ti->class->interfaces; e; e = e->next) { |
| 336 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; |
| 337 | |
| 338 | if (type_is_ancestor(target_type, t)) { |
| 339 | break; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | if (e) { |
| 344 | continue; |
| 345 | } |
| 346 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 347 | type_initialize_interface(ti, t, t); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 348 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 349 | } |
| 350 | |
Masahiro Yamada | e5a0cc5 | 2020-05-13 02:26:15 +0900 | [diff] [blame] | 351 | ti->class->properties = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, |
| 352 | object_property_free); |
| 353 | |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 354 | ti->class->type = ti; |
| 355 | |
| 356 | while (parent) { |
| 357 | if (parent->class_base_init) { |
| 358 | parent->class_base_init(ti->class, ti->class_data); |
| 359 | } |
| 360 | parent = type_get_parent(parent); |
| 361 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 362 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 363 | if (ti->class_init) { |
| 364 | ti->class_init(ti->class, ti->class_data); |
| 365 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | static void object_init_with_type(Object *obj, TypeImpl *ti) |
| 369 | { |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 370 | if (type_has_parent(ti)) { |
| 371 | object_init_with_type(obj, type_get_parent(ti)); |
| 372 | } |
| 373 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 374 | if (ti->instance_init) { |
| 375 | ti->instance_init(obj); |
| 376 | } |
| 377 | } |
| 378 | |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 379 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
| 380 | { |
| 381 | if (ti->instance_post_init) { |
| 382 | ti->instance_post_init(obj); |
| 383 | } |
| 384 | |
| 385 | if (type_has_parent(ti)) { |
| 386 | object_post_init_with_type(obj, type_get_parent(ti)); |
| 387 | } |
| 388 | } |
| 389 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 390 | bool object_apply_global_props(Object *obj, const GPtrArray *props, |
| 391 | Error **errp) |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 392 | { |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 393 | int i; |
| 394 | |
| 395 | if (!props) { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 396 | return true; |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | for (i = 0; i < props->len; i++) { |
| 400 | GlobalProperty *p = g_ptr_array_index(props, i); |
Eduardo Habkost | d769f0d | 2019-01-10 00:02:57 -0200 | [diff] [blame] | 401 | Error *err = NULL; |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 402 | |
| 403 | if (object_dynamic_cast(obj, p->driver) == NULL) { |
| 404 | continue; |
| 405 | } |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 406 | if (p->optional && !object_property_find(obj, p->property)) { |
Dr. David Alan Gilbert | 92fd453 | 2019-07-29 17:29:02 +0100 | [diff] [blame] | 407 | continue; |
| 408 | } |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 409 | p->used = true; |
Markus Armbruster | 778a2dc | 2020-07-07 18:05:56 +0200 | [diff] [blame] | 410 | if (!object_property_parse(obj, p->property, p->value, &err)) { |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 411 | error_prepend(&err, "can't apply global %s.%s=%s: ", |
| 412 | p->driver, p->property, p->value); |
Marc-André Lureau | 50545b2 | 2018-11-07 15:35:34 +0400 | [diff] [blame] | 413 | /* |
| 414 | * If errp != NULL, propagate error and return. |
| 415 | * If errp == NULL, report a warning, but keep going |
| 416 | * with the remaining globals. |
| 417 | */ |
| 418 | if (errp) { |
| 419 | error_propagate(errp, err); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 420 | return false; |
Marc-André Lureau | 50545b2 | 2018-11-07 15:35:34 +0400 | [diff] [blame] | 421 | } else { |
| 422 | warn_report_err(err); |
| 423 | } |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 424 | } |
| 425 | } |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 426 | |
| 427 | return true; |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 428 | } |
| 429 | |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 430 | /* |
| 431 | * Global property defaults |
| 432 | * Slot 0: accelerator's global property defaults |
| 433 | * Slot 1: machine's global property defaults |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 434 | * Slot 2: global properties from legacy command line option |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 435 | * Each is a GPtrArray of of GlobalProperty. |
| 436 | * Applied in order, later entries override earlier ones. |
| 437 | */ |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 438 | static GPtrArray *object_compat_props[3]; |
| 439 | |
| 440 | /* |
| 441 | * Retrieve @GPtrArray for global property defined with options |
| 442 | * other than "-global". These are generally used for syntactic |
| 443 | * sugar and legacy command line options. |
| 444 | */ |
Greg Kurz | a8dc82c | 2020-08-14 09:24:50 +0200 | [diff] [blame] | 445 | void object_register_sugar_prop(const char *driver, const char *prop, |
| 446 | const char *value, bool optional) |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 447 | { |
| 448 | GlobalProperty *g; |
| 449 | if (!object_compat_props[2]) { |
| 450 | object_compat_props[2] = g_ptr_array_new(); |
| 451 | } |
| 452 | g = g_new0(GlobalProperty, 1); |
| 453 | g->driver = g_strdup(driver); |
| 454 | g->property = g_strdup(prop); |
| 455 | g->value = g_strdup(value); |
Greg Kurz | a8dc82c | 2020-08-14 09:24:50 +0200 | [diff] [blame] | 456 | g->optional = optional; |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 457 | g_ptr_array_add(object_compat_props[2], g); |
| 458 | } |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 459 | |
| 460 | /* |
| 461 | * Set machine's global property defaults to @compat_props. |
| 462 | * May be called at most once. |
| 463 | */ |
| 464 | void object_set_machine_compat_props(GPtrArray *compat_props) |
| 465 | { |
| 466 | assert(!object_compat_props[1]); |
| 467 | object_compat_props[1] = compat_props; |
| 468 | } |
| 469 | |
| 470 | /* |
| 471 | * Set accelerator's global property defaults to @compat_props. |
| 472 | * May be called at most once. |
| 473 | */ |
| 474 | void object_set_accelerator_compat_props(GPtrArray *compat_props) |
| 475 | { |
| 476 | assert(!object_compat_props[0]); |
| 477 | object_compat_props[0] = compat_props; |
| 478 | } |
| 479 | |
| 480 | void object_apply_compat_props(Object *obj) |
| 481 | { |
| 482 | int i; |
| 483 | |
| 484 | for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) { |
| 485 | object_apply_global_props(obj, object_compat_props[i], |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 486 | i == 2 ? &error_fatal : &error_abort); |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 487 | } |
| 488 | } |
| 489 | |
Marc-André Lureau | 2a1be4b | 2020-01-10 19:30:19 +0400 | [diff] [blame] | 490 | static void object_class_property_init_all(Object *obj) |
| 491 | { |
| 492 | ObjectPropertyIterator iter; |
| 493 | ObjectProperty *prop; |
| 494 | |
| 495 | object_class_property_iter_init(&iter, object_get_class(obj)); |
| 496 | while ((prop = object_property_iter_next(&iter))) { |
| 497 | if (prop->init) { |
| 498 | prop->init(obj, prop); |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
Masahiro Yamada | e27a959 | 2020-05-13 02:31:04 +0900 | [diff] [blame] | 503 | static void object_initialize_with_type(Object *obj, size_t size, TypeImpl *type) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 504 | { |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 505 | type_initialize(type); |
Igor Mitsyanko | aca59af | 2012-02-28 15:57:10 +0400 | [diff] [blame] | 506 | |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 507 | g_assert(type->instance_size >= sizeof(Object)); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 508 | g_assert(type->abstract == false); |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 509 | g_assert(size >= type->instance_size); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 510 | |
| 511 | memset(obj, 0, type->instance_size); |
| 512 | obj->class = type->class; |
Paolo Bonzini | 764b631 | 2012-11-23 09:47:12 +0100 | [diff] [blame] | 513 | object_ref(obj); |
Marc-André Lureau | 2a1be4b | 2020-01-10 19:30:19 +0400 | [diff] [blame] | 514 | object_class_property_init_all(obj); |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 515 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
| 516 | NULL, object_property_free); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 517 | object_init_with_type(obj, type); |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 518 | object_post_init_with_type(obj, type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 519 | } |
| 520 | |
Andreas Färber | 213f0c4 | 2013-08-23 19:37:12 +0200 | [diff] [blame] | 521 | void object_initialize(void *data, size_t size, const char *typename) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 522 | { |
| 523 | TypeImpl *type = type_get_by_name(typename); |
| 524 | |
Gerd Hoffmann | 64f7aec | 2020-09-14 15:42:22 +0200 | [diff] [blame] | 525 | #ifdef CONFIG_MODULES |
| 526 | if (!type) { |
| 527 | module_load_qom_one(typename); |
| 528 | type = type_get_by_name(typename); |
| 529 | } |
| 530 | #endif |
Philippe Mathieu-Daudé | e02bdf1 | 2019-04-27 15:56:42 +0200 | [diff] [blame] | 531 | if (!type) { |
| 532 | error_report("missing object type '%s'", typename); |
| 533 | abort(); |
| 534 | } |
| 535 | |
Andreas Färber | 5b9237f | 2013-08-30 18:28:37 +0200 | [diff] [blame] | 536 | object_initialize_with_type(data, size, type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 537 | } |
| 538 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 539 | bool object_initialize_child_with_props(Object *parentobj, |
| 540 | const char *propname, |
| 541 | void *childobj, size_t size, |
| 542 | const char *type, |
| 543 | Error **errp, ...) |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 544 | { |
| 545 | va_list vargs; |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 546 | bool ok; |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 547 | |
| 548 | va_start(vargs, errp); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 549 | ok = object_initialize_child_with_propsv(parentobj, propname, |
| 550 | childobj, size, type, errp, |
| 551 | vargs); |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 552 | va_end(vargs); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 553 | return ok; |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 554 | } |
| 555 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 556 | bool object_initialize_child_with_propsv(Object *parentobj, |
| 557 | const char *propname, |
| 558 | void *childobj, size_t size, |
| 559 | const char *type, |
| 560 | Error **errp, va_list vargs) |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 561 | { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 562 | bool ok = false; |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 563 | Object *obj; |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 564 | UserCreatable *uc; |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 565 | |
| 566 | object_initialize(childobj, size, type); |
| 567 | obj = OBJECT(childobj); |
| 568 | |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 569 | if (!object_set_propv(obj, errp, vargs)) { |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 570 | goto out; |
| 571 | } |
| 572 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 573 | object_property_add_child(parentobj, propname, obj); |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 574 | |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 575 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
| 576 | if (uc) { |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 577 | if (!user_creatable_complete(uc, errp)) { |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 578 | object_unparent(obj); |
| 579 | goto out; |
| 580 | } |
| 581 | } |
| 582 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 583 | ok = true; |
| 584 | |
Markus Armbruster | 975ac45 | 2020-05-05 17:29:09 +0200 | [diff] [blame] | 585 | out: |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 586 | /* |
Markus Armbruster | 975ac45 | 2020-05-05 17:29:09 +0200 | [diff] [blame] | 587 | * We want @obj's reference to be 1 on success, 0 on failure. |
| 588 | * On success, it's 2: one taken by object_initialize(), and one |
| 589 | * by object_property_add_child(). |
| 590 | * On failure in object_initialize() or earlier, it's 1. |
| 591 | * On failure afterwards, it's also 1: object_unparent() releases |
| 592 | * the reference taken by object_property_add_child(). |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 593 | */ |
| 594 | object_unref(obj); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 595 | return ok; |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 596 | } |
| 597 | |
Markus Armbruster | 9fc7fc4 | 2020-06-10 07:32:25 +0200 | [diff] [blame] | 598 | void object_initialize_child_internal(Object *parent, |
| 599 | const char *propname, |
| 600 | void *child, size_t size, |
| 601 | const char *type) |
| 602 | { |
| 603 | object_initialize_child_with_props(parent, propname, child, size, type, |
| 604 | &error_abort, NULL); |
| 605 | } |
| 606 | |
Andreas Färber | 5d9d3f4 | 2012-05-27 00:32:40 +0200 | [diff] [blame] | 607 | static inline bool object_property_is_child(ObjectProperty *prop) |
| 608 | { |
| 609 | return strstart(prop->type, "child<", NULL); |
| 610 | } |
| 611 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 612 | static void object_property_del_all(Object *obj) |
| 613 | { |
Marc-André Lureau | 9859fac | 2020-01-10 19:30:30 +0400 | [diff] [blame] | 614 | g_autoptr(GHashTable) done = g_hash_table_new(NULL, NULL); |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 615 | ObjectProperty *prop; |
Marc-André Lureau | 9859fac | 2020-01-10 19:30:30 +0400 | [diff] [blame] | 616 | ObjectPropertyIterator iter; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 617 | bool released; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 618 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 619 | do { |
| 620 | released = false; |
Marc-André Lureau | 9859fac | 2020-01-10 19:30:30 +0400 | [diff] [blame] | 621 | object_property_iter_init(&iter, obj); |
| 622 | while ((prop = object_property_iter_next(&iter)) != NULL) { |
| 623 | if (g_hash_table_add(done, prop)) { |
| 624 | if (prop->release) { |
| 625 | prop->release(obj, prop->name, prop->opaque); |
| 626 | released = true; |
| 627 | break; |
| 628 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 629 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 630 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 631 | } while (released); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 632 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 633 | g_hash_table_unref(obj->properties); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 634 | } |
| 635 | |
Markus Armbruster | f73a32a | 2020-05-05 17:29:11 +0200 | [diff] [blame] | 636 | static void object_property_del_child(Object *obj, Object *child) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 637 | { |
| 638 | ObjectProperty *prop; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 639 | GHashTableIter iter; |
| 640 | gpointer key, value; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 641 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 642 | g_hash_table_iter_init(&iter, obj->properties); |
| 643 | while (g_hash_table_iter_next(&iter, &key, &value)) { |
| 644 | prop = value; |
Andreas Färber | 5d9d3f4 | 2012-05-27 00:32:40 +0200 | [diff] [blame] | 645 | if (object_property_is_child(prop) && prop->opaque == child) { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 646 | if (prop->release) { |
| 647 | prop->release(obj, prop->name, prop->opaque); |
| 648 | prop->release = NULL; |
| 649 | } |
| 650 | break; |
| 651 | } |
| 652 | } |
| 653 | g_hash_table_iter_init(&iter, obj->properties); |
| 654 | while (g_hash_table_iter_next(&iter, &key, &value)) { |
| 655 | prop = value; |
| 656 | if (object_property_is_child(prop) && prop->opaque == child) { |
| 657 | g_hash_table_iter_remove(&iter); |
Paolo Bonzini | 6c1fdcf | 2012-02-28 09:54:15 +0100 | [diff] [blame] | 658 | break; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 659 | } |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | void object_unparent(Object *obj) |
| 664 | { |
Michael S. Tsirkin | e998fa8 | 2013-03-18 21:01:37 +0200 | [diff] [blame] | 665 | if (obj->parent) { |
Markus Armbruster | f73a32a | 2020-05-05 17:29:11 +0200 | [diff] [blame] | 666 | object_property_del_child(obj->parent, obj); |
Michael S. Tsirkin | e998fa8 | 2013-03-18 21:01:37 +0200 | [diff] [blame] | 667 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 668 | } |
| 669 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 670 | static void object_deinit(Object *obj, TypeImpl *type) |
| 671 | { |
| 672 | if (type->instance_finalize) { |
| 673 | type->instance_finalize(obj); |
| 674 | } |
| 675 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 676 | if (type_has_parent(type)) { |
| 677 | object_deinit(obj, type_get_parent(type)); |
| 678 | } |
| 679 | } |
| 680 | |
Paolo Bonzini | 339c270 | 2012-11-23 09:47:16 +0100 | [diff] [blame] | 681 | static void object_finalize(void *data) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 682 | { |
| 683 | Object *obj = data; |
| 684 | TypeImpl *ti = obj->class->type; |
| 685 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 686 | object_property_del_all(obj); |
Paolo Bonzini | 76a6e1c | 2014-06-11 11:58:30 +0200 | [diff] [blame] | 687 | object_deinit(obj, ti); |
Anthony Liguori | db85b57 | 2011-12-23 08:47:39 -0600 | [diff] [blame] | 688 | |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 689 | g_assert(obj->ref == 0); |
Eduardo Habkost | 63f957a | 2020-12-15 17:41:33 -0500 | [diff] [blame] | 690 | g_assert(obj->parent == NULL); |
Paolo Bonzini | fde9bf4 | 2012-11-23 09:47:14 +0100 | [diff] [blame] | 691 | if (obj->free) { |
| 692 | obj->free(obj); |
| 693 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 694 | } |
| 695 | |
Richard Henderson | 4c880f3 | 2020-09-15 17:46:34 -0700 | [diff] [blame] | 696 | /* Find the minimum alignment guaranteed by the system malloc. */ |
| 697 | #if __STDC_VERSION__ >= 201112L |
Doug Evans | 3a2e982 | 2021-02-12 00:56:30 +0000 | [diff] [blame] | 698 | typedef max_align_t qemu_max_align_t; |
Richard Henderson | 4c880f3 | 2020-09-15 17:46:34 -0700 | [diff] [blame] | 699 | #else |
| 700 | typedef union { |
| 701 | long l; |
| 702 | void *p; |
| 703 | double d; |
| 704 | long double ld; |
| 705 | } qemu_max_align_t; |
| 706 | #endif |
| 707 | |
Marc-André Lureau | 63f7b10 | 2016-12-12 20:31:51 +0300 | [diff] [blame] | 708 | static Object *object_new_with_type(Type type) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 709 | { |
| 710 | Object *obj; |
Richard Henderson | 4c880f3 | 2020-09-15 17:46:34 -0700 | [diff] [blame] | 711 | size_t size, align; |
| 712 | void (*obj_free)(void *); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 713 | |
| 714 | g_assert(type != NULL); |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 715 | type_initialize(type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 716 | |
Richard Henderson | 4c880f3 | 2020-09-15 17:46:34 -0700 | [diff] [blame] | 717 | size = type->instance_size; |
| 718 | align = type->instance_align; |
| 719 | |
| 720 | /* |
| 721 | * Do not use qemu_memalign unless required. Depending on the |
| 722 | * implementation, extra alignment implies extra overhead. |
| 723 | */ |
| 724 | if (likely(align <= __alignof__(qemu_max_align_t))) { |
| 725 | obj = g_malloc(size); |
| 726 | obj_free = g_free; |
| 727 | } else { |
| 728 | obj = qemu_memalign(align, size); |
| 729 | obj_free = qemu_vfree; |
| 730 | } |
| 731 | |
| 732 | object_initialize_with_type(obj, size, type); |
| 733 | obj->free = obj_free; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 734 | |
| 735 | return obj; |
| 736 | } |
| 737 | |
Paolo Bonzini | 3c75e12 | 2019-11-13 13:57:55 +0100 | [diff] [blame] | 738 | Object *object_new_with_class(ObjectClass *klass) |
| 739 | { |
| 740 | return object_new_with_type(klass->type); |
| 741 | } |
| 742 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 743 | Object *object_new(const char *typename) |
| 744 | { |
| 745 | TypeImpl *ti = type_get_by_name(typename); |
| 746 | |
| 747 | return object_new_with_type(ti); |
| 748 | } |
| 749 | |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 750 | |
| 751 | Object *object_new_with_props(const char *typename, |
| 752 | Object *parent, |
| 753 | const char *id, |
| 754 | Error **errp, |
| 755 | ...) |
| 756 | { |
| 757 | va_list vargs; |
| 758 | Object *obj; |
| 759 | |
| 760 | va_start(vargs, errp); |
| 761 | obj = object_new_with_propv(typename, parent, id, errp, vargs); |
| 762 | va_end(vargs); |
| 763 | |
| 764 | return obj; |
| 765 | } |
| 766 | |
| 767 | |
| 768 | Object *object_new_with_propv(const char *typename, |
| 769 | Object *parent, |
| 770 | const char *id, |
| 771 | Error **errp, |
| 772 | va_list vargs) |
| 773 | { |
| 774 | Object *obj; |
| 775 | ObjectClass *klass; |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 776 | UserCreatable *uc; |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 777 | |
| 778 | klass = object_class_by_name(typename); |
| 779 | if (!klass) { |
| 780 | error_setg(errp, "invalid object type: %s", typename); |
| 781 | return NULL; |
| 782 | } |
| 783 | |
| 784 | if (object_class_is_abstract(klass)) { |
| 785 | error_setg(errp, "object type '%s' is abstract", typename); |
| 786 | return NULL; |
| 787 | } |
Wei Yang | 66e1155 | 2019-03-11 16:32:34 +0800 | [diff] [blame] | 788 | obj = object_new_with_type(klass->type); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 789 | |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 790 | if (!object_set_propv(obj, errp, vargs)) { |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 791 | goto error; |
| 792 | } |
| 793 | |
Daniel P. Berrangé | 6134d75 | 2018-06-15 16:39:35 +0100 | [diff] [blame] | 794 | if (id != NULL) { |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 795 | object_property_add_child(parent, id, obj); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 796 | } |
| 797 | |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 798 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
| 799 | if (uc) { |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 800 | if (!user_creatable_complete(uc, errp)) { |
Daniel P. Berrangé | 6134d75 | 2018-06-15 16:39:35 +0100 | [diff] [blame] | 801 | if (id != NULL) { |
| 802 | object_unparent(obj); |
| 803 | } |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 804 | goto error; |
| 805 | } |
| 806 | } |
| 807 | |
Philippe Mathieu-Daudé | 688ffbb | 2020-05-12 09:00:19 +0200 | [diff] [blame] | 808 | object_unref(obj); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 809 | return obj; |
| 810 | |
| 811 | error: |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 812 | object_unref(obj); |
| 813 | return NULL; |
| 814 | } |
| 815 | |
| 816 | |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 817 | bool object_set_props(Object *obj, |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 818 | Error **errp, |
| 819 | ...) |
| 820 | { |
| 821 | va_list vargs; |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 822 | bool ret; |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 823 | |
| 824 | va_start(vargs, errp); |
| 825 | ret = object_set_propv(obj, errp, vargs); |
| 826 | va_end(vargs); |
| 827 | |
| 828 | return ret; |
| 829 | } |
| 830 | |
| 831 | |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 832 | bool object_set_propv(Object *obj, |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 833 | Error **errp, |
| 834 | va_list vargs) |
| 835 | { |
| 836 | const char *propname; |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 837 | |
| 838 | propname = va_arg(vargs, char *); |
| 839 | while (propname != NULL) { |
| 840 | const char *value = va_arg(vargs, char *); |
| 841 | |
| 842 | g_assert(value != NULL); |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 843 | if (!object_property_parse(obj, propname, value, errp)) { |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 844 | return false; |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 845 | } |
| 846 | propname = va_arg(vargs, char *); |
| 847 | } |
| 848 | |
Markus Armbruster | b783f54 | 2020-07-07 18:05:58 +0200 | [diff] [blame] | 849 | return true; |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 853 | Object *object_dynamic_cast(Object *obj, const char *typename) |
| 854 | { |
Paolo Bonzini | b7f43fe | 2012-11-23 16:56:17 +0100 | [diff] [blame] | 855 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
Paolo Bonzini | acc4af3 | 2012-02-03 11:57:23 +0100 | [diff] [blame] | 856 | return obj; |
| 857 | } |
| 858 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 859 | return NULL; |
| 860 | } |
| 861 | |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 862 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
| 863 | const char *file, int line, const char *func) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 864 | { |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 865 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
| 866 | typename, file, line, func); |
| 867 | |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 868 | #ifdef CONFIG_QOM_CAST_DEBUG |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 869 | int i; |
| 870 | Object *inst; |
| 871 | |
Peter Crosthwaite | 95916ab | 2013-05-22 11:19:16 +1000 | [diff] [blame] | 872 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 873 | if (qatomic_read(&obj->class->object_cast_cache[i]) == typename) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 874 | goto out; |
| 875 | } |
| 876 | } |
| 877 | |
| 878 | inst = object_dynamic_cast(obj, typename); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 879 | |
Paolo Bonzini | b7f43fe | 2012-11-23 16:56:17 +0100 | [diff] [blame] | 880 | if (!inst && obj) { |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 881 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
| 882 | file, line, func, obj, typename); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 883 | abort(); |
| 884 | } |
| 885 | |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 886 | assert(obj == inst); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 887 | |
Peter Crosthwaite | 95916ab | 2013-05-22 11:19:16 +1000 | [diff] [blame] | 888 | if (obj && obj == inst) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 889 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 890 | qatomic_set(&obj->class->object_cast_cache[i - 1], |
| 891 | qatomic_read(&obj->class->object_cast_cache[i])); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 892 | } |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 893 | qatomic_set(&obj->class->object_cast_cache[i - 1], typename); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 894 | } |
| 895 | |
| 896 | out: |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 897 | #endif |
| 898 | return obj; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, |
| 902 | const char *typename) |
| 903 | { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 904 | ObjectClass *ret = NULL; |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 905 | TypeImpl *target_type; |
| 906 | TypeImpl *type; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 907 | |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 908 | if (!class) { |
| 909 | return NULL; |
| 910 | } |
| 911 | |
Paolo Bonzini | 793c96b | 2013-05-10 14:16:37 +0200 | [diff] [blame] | 912 | /* A simple fast path that can trigger a lot for leaf classes. */ |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 913 | type = class->type; |
Paolo Bonzini | 793c96b | 2013-05-10 14:16:37 +0200 | [diff] [blame] | 914 | if (type->name == typename) { |
| 915 | return class; |
| 916 | } |
| 917 | |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 918 | target_type = type_get_by_name(typename); |
Alexander Graf | 9ab880b | 2013-04-30 15:02:16 +0200 | [diff] [blame] | 919 | if (!target_type) { |
| 920 | /* target class type unknown, so fail the cast */ |
| 921 | return NULL; |
| 922 | } |
| 923 | |
Peter Crosthwaite | 00e2cea | 2013-02-19 14:02:10 +1000 | [diff] [blame] | 924 | if (type->class->interfaces && |
| 925 | type_is_ancestor(target_type, type_interface)) { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 926 | int found = 0; |
| 927 | GSList *i; |
| 928 | |
| 929 | for (i = class->interfaces; i; i = i->next) { |
| 930 | ObjectClass *target_class = i->data; |
| 931 | |
| 932 | if (type_is_ancestor(target_class->type, target_type)) { |
| 933 | ret = target_class; |
| 934 | found++; |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | /* The match was ambiguous, don't allow a cast */ |
| 939 | if (found > 1) { |
| 940 | ret = NULL; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 941 | } |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 942 | } else if (type_is_ancestor(type, target_type)) { |
| 943 | ret = class; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 944 | } |
| 945 | |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 946 | return ret; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 947 | } |
| 948 | |
| 949 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 950 | const char *typename, |
| 951 | const char *file, int line, |
| 952 | const char *func) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 953 | { |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 954 | ObjectClass *ret; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 955 | |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 956 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", |
| 957 | typename, file, line, func); |
| 958 | |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 959 | #ifdef CONFIG_QOM_CAST_DEBUG |
| 960 | int i; |
| 961 | |
Peter Crosthwaite | 9d6a3d5 | 2013-06-18 19:18:59 +1000 | [diff] [blame] | 962 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 963 | if (qatomic_read(&class->class_cast_cache[i]) == typename) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 964 | ret = class; |
| 965 | goto out; |
| 966 | } |
| 967 | } |
| 968 | #else |
Peter Crosthwaite | 9d6a3d5 | 2013-06-18 19:18:59 +1000 | [diff] [blame] | 969 | if (!class || !class->interfaces) { |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 970 | return class; |
| 971 | } |
| 972 | #endif |
| 973 | |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 974 | ret = object_class_dynamic_cast(class, typename); |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 975 | if (!ret && class) { |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 976 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
| 977 | file, line, func, class, typename); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 978 | abort(); |
| 979 | } |
| 980 | |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 981 | #ifdef CONFIG_QOM_CAST_DEBUG |
Peter Crosthwaite | 9d6a3d5 | 2013-06-18 19:18:59 +1000 | [diff] [blame] | 982 | if (class && ret == class) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 983 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 984 | qatomic_set(&class->class_cast_cache[i - 1], |
| 985 | qatomic_read(&class->class_cast_cache[i])); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 986 | } |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 987 | qatomic_set(&class->class_cast_cache[i - 1], typename); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 988 | } |
| 989 | out: |
| 990 | #endif |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 991 | return ret; |
| 992 | } |
| 993 | |
Igor Mammedov | 8f5d58e | 2017-07-14 10:14:50 +0800 | [diff] [blame] | 994 | const char *object_get_typename(const Object *obj) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 995 | { |
| 996 | return obj->class->type->name; |
| 997 | } |
| 998 | |
| 999 | ObjectClass *object_get_class(Object *obj) |
| 1000 | { |
| 1001 | return obj->class; |
| 1002 | } |
| 1003 | |
Andreas Färber | 1786237 | 2013-01-23 12:20:18 +0100 | [diff] [blame] | 1004 | bool object_class_is_abstract(ObjectClass *klass) |
| 1005 | { |
| 1006 | return klass->type->abstract; |
| 1007 | } |
| 1008 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1009 | const char *object_class_get_name(ObjectClass *klass) |
| 1010 | { |
| 1011 | return klass->type->name; |
| 1012 | } |
| 1013 | |
| 1014 | ObjectClass *object_class_by_name(const char *typename) |
| 1015 | { |
| 1016 | TypeImpl *type = type_get_by_name(typename); |
| 1017 | |
| 1018 | if (!type) { |
| 1019 | return NULL; |
| 1020 | } |
| 1021 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 1022 | type_initialize(type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1023 | |
| 1024 | return type->class; |
| 1025 | } |
| 1026 | |
Gerd Hoffmann | 0f8198f | 2020-06-24 15:10:37 +0200 | [diff] [blame] | 1027 | ObjectClass *module_object_class_by_name(const char *typename) |
| 1028 | { |
| 1029 | ObjectClass *oc; |
| 1030 | |
| 1031 | oc = object_class_by_name(typename); |
| 1032 | #ifdef CONFIG_MODULES |
| 1033 | if (!oc) { |
| 1034 | module_load_qom_one(typename); |
| 1035 | oc = object_class_by_name(typename); |
| 1036 | } |
| 1037 | #endif |
| 1038 | return oc; |
| 1039 | } |
| 1040 | |
Paolo Bonzini | e7cce67 | 2012-05-02 13:30:54 +0200 | [diff] [blame] | 1041 | ObjectClass *object_class_get_parent(ObjectClass *class) |
| 1042 | { |
| 1043 | TypeImpl *type = type_get_parent(class->type); |
| 1044 | |
| 1045 | if (!type) { |
| 1046 | return NULL; |
| 1047 | } |
| 1048 | |
| 1049 | type_initialize(type); |
| 1050 | |
| 1051 | return type->class; |
| 1052 | } |
| 1053 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1054 | typedef struct OCFData |
| 1055 | { |
| 1056 | void (*fn)(ObjectClass *klass, void *opaque); |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1057 | const char *implements_type; |
| 1058 | bool include_abstract; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1059 | void *opaque; |
| 1060 | } OCFData; |
| 1061 | |
| 1062 | static void object_class_foreach_tramp(gpointer key, gpointer value, |
| 1063 | gpointer opaque) |
| 1064 | { |
| 1065 | OCFData *data = opaque; |
| 1066 | TypeImpl *type = value; |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1067 | ObjectClass *k; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1068 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 1069 | type_initialize(type); |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1070 | k = type->class; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1071 | |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1072 | if (!data->include_abstract && type->abstract) { |
| 1073 | return; |
| 1074 | } |
| 1075 | |
| 1076 | if (data->implements_type && |
| 1077 | !object_class_dynamic_cast(k, data->implements_type)) { |
| 1078 | return; |
| 1079 | } |
| 1080 | |
| 1081 | data->fn(k, data->opaque); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1082 | } |
| 1083 | |
| 1084 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1085 | const char *implements_type, bool include_abstract, |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1086 | void *opaque) |
| 1087 | { |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1088 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1089 | |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 1090 | enumerating_types = true; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1091 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 1092 | enumerating_types = false; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1093 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1094 | |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1095 | static int do_object_child_foreach(Object *obj, |
| 1096 | int (*fn)(Object *child, void *opaque), |
| 1097 | void *opaque, bool recurse) |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1098 | { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1099 | GHashTableIter iter; |
| 1100 | ObjectProperty *prop; |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1101 | int ret = 0; |
| 1102 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1103 | g_hash_table_iter_init(&iter, obj->properties); |
| 1104 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1105 | if (object_property_is_child(prop)) { |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1106 | Object *child = prop->opaque; |
| 1107 | |
| 1108 | ret = fn(child, opaque); |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1109 | if (ret != 0) { |
| 1110 | break; |
| 1111 | } |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1112 | if (recurse) { |
Cédric Le Goater | 4a39181 | 2020-04-04 17:33:40 +0200 | [diff] [blame] | 1113 | ret = do_object_child_foreach(child, fn, opaque, true); |
| 1114 | if (ret != 0) { |
| 1115 | break; |
| 1116 | } |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1117 | } |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1118 | } |
| 1119 | } |
| 1120 | return ret; |
| 1121 | } |
| 1122 | |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1123 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
| 1124 | void *opaque) |
| 1125 | { |
| 1126 | return do_object_child_foreach(obj, fn, opaque, false); |
| 1127 | } |
| 1128 | |
| 1129 | int object_child_foreach_recursive(Object *obj, |
| 1130 | int (*fn)(Object *child, void *opaque), |
| 1131 | void *opaque) |
| 1132 | { |
| 1133 | return do_object_child_foreach(obj, fn, opaque, true); |
| 1134 | } |
| 1135 | |
Andreas Färber | 418ba9e | 2012-02-25 23:07:34 +0100 | [diff] [blame] | 1136 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
| 1137 | { |
| 1138 | GSList **list = opaque; |
| 1139 | |
| 1140 | *list = g_slist_prepend(*list, klass); |
| 1141 | } |
| 1142 | |
| 1143 | GSList *object_class_get_list(const char *implements_type, |
| 1144 | bool include_abstract) |
| 1145 | { |
| 1146 | GSList *list = NULL; |
| 1147 | |
| 1148 | object_class_foreach(object_class_get_list_tramp, |
| 1149 | implements_type, include_abstract, &list); |
| 1150 | return list; |
| 1151 | } |
| 1152 | |
Paolo Bonzini | 47c6600 | 2018-03-03 08:33:10 +0100 | [diff] [blame] | 1153 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
| 1154 | { |
| 1155 | return strcasecmp(object_class_get_name((ObjectClass *)a), |
| 1156 | object_class_get_name((ObjectClass *)b)); |
| 1157 | } |
| 1158 | |
| 1159 | GSList *object_class_get_list_sorted(const char *implements_type, |
| 1160 | bool include_abstract) |
| 1161 | { |
| 1162 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), |
| 1163 | object_class_cmp); |
| 1164 | } |
| 1165 | |
Daniel P. Berrangé | c5a61e5 | 2020-08-31 17:07:23 -0400 | [diff] [blame] | 1166 | Object *object_ref(void *objptr) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1167 | { |
Daniel P. Berrangé | c5a61e5 | 2020-08-31 17:07:23 -0400 | [diff] [blame] | 1168 | Object *obj = OBJECT(objptr); |
Peter Crosthwaite | 8ffad85 | 2014-06-05 23:13:36 -0700 | [diff] [blame] | 1169 | if (!obj) { |
Marc-André Lureau | b77ade9 | 2020-01-10 19:30:31 +0400 | [diff] [blame] | 1170 | return NULL; |
Peter Crosthwaite | 8ffad85 | 2014-06-05 23:13:36 -0700 | [diff] [blame] | 1171 | } |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 1172 | qatomic_inc(&obj->ref); |
Marc-André Lureau | b77ade9 | 2020-01-10 19:30:31 +0400 | [diff] [blame] | 1173 | return obj; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1174 | } |
| 1175 | |
Daniel P. Berrangé | c5a61e5 | 2020-08-31 17:07:23 -0400 | [diff] [blame] | 1176 | void object_unref(void *objptr) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1177 | { |
Daniel P. Berrangé | c5a61e5 | 2020-08-31 17:07:23 -0400 | [diff] [blame] | 1178 | Object *obj = OBJECT(objptr); |
Peter Crosthwaite | 8ffad85 | 2014-06-05 23:13:36 -0700 | [diff] [blame] | 1179 | if (!obj) { |
| 1180 | return; |
| 1181 | } |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 1182 | g_assert(obj->ref > 0); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1183 | |
| 1184 | /* parent always holds a reference to its children */ |
Stefan Hajnoczi | d73415a | 2020-09-23 11:56:46 +0100 | [diff] [blame] | 1185 | if (qatomic_fetch_dec(&obj->ref) == 1) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1186 | object_finalize(obj); |
| 1187 | } |
| 1188 | } |
| 1189 | |
Eric Auger | db57fef | 2020-06-29 21:34:22 +0200 | [diff] [blame] | 1190 | ObjectProperty * |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1191 | object_property_try_add(Object *obj, const char *name, const char *type, |
| 1192 | ObjectPropertyAccessor *get, |
| 1193 | ObjectPropertyAccessor *set, |
| 1194 | ObjectPropertyRelease *release, |
| 1195 | void *opaque, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1196 | { |
Peter Maydell | 54852b0 | 2013-03-25 13:15:13 +0000 | [diff] [blame] | 1197 | ObjectProperty *prop; |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1198 | size_t name_len = strlen(name); |
| 1199 | |
| 1200 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { |
| 1201 | int i; |
Ani Sinha | 1bf8b88 | 2020-09-21 15:03:25 +0530 | [diff] [blame] | 1202 | ObjectProperty *ret = NULL; |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1203 | char *name_no_array = g_strdup(name); |
| 1204 | |
| 1205 | name_no_array[name_len - 3] = '\0'; |
Ani Sinha | 1bf8b88 | 2020-09-21 15:03:25 +0530 | [diff] [blame] | 1206 | for (i = 0; i < INT16_MAX; ++i) { |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1207 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); |
| 1208 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1209 | ret = object_property_try_add(obj, full_name, type, get, set, |
| 1210 | release, opaque, NULL); |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1211 | g_free(full_name); |
| 1212 | if (ret) { |
| 1213 | break; |
| 1214 | } |
| 1215 | } |
| 1216 | g_free(name_no_array); |
Ani Sinha | 1bf8b88 | 2020-09-21 15:03:25 +0530 | [diff] [blame] | 1217 | assert(ret); |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1218 | return ret; |
| 1219 | } |
Peter Maydell | 54852b0 | 2013-03-25 13:15:13 +0000 | [diff] [blame] | 1220 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1221 | if (object_property_find(obj, name) != NULL) { |
Greg Kurz | d55e937 | 2019-11-04 14:23:55 +0100 | [diff] [blame] | 1222 | error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')", |
| 1223 | name, object_get_typename(obj)); |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1224 | return NULL; |
Peter Maydell | 54852b0 | 2013-03-25 13:15:13 +0000 | [diff] [blame] | 1225 | } |
| 1226 | |
| 1227 | prop = g_malloc0(sizeof(*prop)); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1228 | |
| 1229 | prop->name = g_strdup(name); |
| 1230 | prop->type = g_strdup(type); |
| 1231 | |
| 1232 | prop->get = get; |
| 1233 | prop->set = set; |
| 1234 | prop->release = release; |
| 1235 | prop->opaque = opaque; |
| 1236 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1237 | g_hash_table_insert(obj->properties, prop->name, prop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1238 | return prop; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1239 | } |
| 1240 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1241 | ObjectProperty * |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1242 | object_property_add(Object *obj, const char *name, const char *type, |
| 1243 | ObjectPropertyAccessor *get, |
| 1244 | ObjectPropertyAccessor *set, |
| 1245 | ObjectPropertyRelease *release, |
| 1246 | void *opaque) |
| 1247 | { |
| 1248 | return object_property_try_add(obj, name, type, get, set, release, |
| 1249 | opaque, &error_abort); |
| 1250 | } |
| 1251 | |
| 1252 | ObjectProperty * |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1253 | object_class_property_add(ObjectClass *klass, |
| 1254 | const char *name, |
| 1255 | const char *type, |
| 1256 | ObjectPropertyAccessor *get, |
| 1257 | ObjectPropertyAccessor *set, |
| 1258 | ObjectPropertyRelease *release, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1259 | void *opaque) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1260 | { |
| 1261 | ObjectProperty *prop; |
| 1262 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1263 | assert(!object_class_property_find(klass, name)); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1264 | |
| 1265 | prop = g_malloc0(sizeof(*prop)); |
| 1266 | |
| 1267 | prop->name = g_strdup(name); |
| 1268 | prop->type = g_strdup(type); |
| 1269 | |
| 1270 | prop->get = get; |
| 1271 | prop->set = set; |
| 1272 | prop->release = release; |
| 1273 | prop->opaque = opaque; |
| 1274 | |
Marc-André Lureau | ba806ff | 2020-01-10 19:30:18 +0400 | [diff] [blame] | 1275 | g_hash_table_insert(klass->properties, prop->name, prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1276 | |
| 1277 | return prop; |
| 1278 | } |
| 1279 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1280 | ObjectProperty *object_property_find(Object *obj, const char *name) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1281 | { |
| 1282 | ObjectProperty *prop; |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1283 | ObjectClass *klass = object_get_class(obj); |
| 1284 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1285 | prop = object_class_property_find(klass, name); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1286 | if (prop) { |
| 1287 | return prop; |
| 1288 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1289 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1290 | return g_hash_table_lookup(obj->properties, name); |
| 1291 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1292 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1293 | ObjectProperty *object_property_find_err(Object *obj, const char *name, |
| 1294 | Error **errp) |
| 1295 | { |
| 1296 | ObjectProperty *prop = object_property_find(obj, name); |
| 1297 | if (!prop) { |
Philippe Mathieu-Daudé | 4d9c7c8 | 2020-09-20 17:53:40 +0200 | [diff] [blame] | 1298 | error_setg(errp, "Property '%s.%s' not found", |
| 1299 | object_get_typename(obj), name); |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1300 | } |
| 1301 | return prop; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1302 | } |
| 1303 | |
Daniel P. Berrange | 7746abd | 2015-12-09 12:34:02 +0000 | [diff] [blame] | 1304 | void object_property_iter_init(ObjectPropertyIterator *iter, |
| 1305 | Object *obj) |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1306 | { |
Daniel P. Berrange | 7746abd | 2015-12-09 12:34:02 +0000 | [diff] [blame] | 1307 | g_hash_table_iter_init(&iter->iter, obj->properties); |
| 1308 | iter->nextclass = object_get_class(obj); |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1309 | } |
| 1310 | |
| 1311 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) |
| 1312 | { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1313 | gpointer key, val; |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1314 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
| 1315 | if (!iter->nextclass) { |
| 1316 | return NULL; |
| 1317 | } |
| 1318 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); |
| 1319 | iter->nextclass = object_class_get_parent(iter->nextclass); |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1320 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1321 | return val; |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1322 | } |
| 1323 | |
Alexey Kardashevskiy | 961c47b | 2018-03-02 00:09:39 +1100 | [diff] [blame] | 1324 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
| 1325 | ObjectClass *klass) |
| 1326 | { |
| 1327 | g_hash_table_iter_init(&iter->iter, klass->properties); |
Marc-André Lureau | 684546d | 2018-09-06 17:37:36 +0400 | [diff] [blame] | 1328 | iter->nextclass = object_class_get_parent(klass); |
Alexey Kardashevskiy | 961c47b | 2018-03-02 00:09:39 +1100 | [diff] [blame] | 1329 | } |
| 1330 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1331 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1332 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1333 | ObjectClass *parent_klass; |
| 1334 | |
| 1335 | parent_klass = object_class_get_parent(klass); |
| 1336 | if (parent_klass) { |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1337 | ObjectProperty *prop = |
| 1338 | object_class_property_find(parent_klass, name); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1339 | if (prop) { |
| 1340 | return prop; |
| 1341 | } |
| 1342 | } |
| 1343 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1344 | return g_hash_table_lookup(klass->properties, name); |
| 1345 | } |
| 1346 | |
| 1347 | ObjectProperty *object_class_property_find_err(ObjectClass *klass, |
| 1348 | const char *name, |
| 1349 | Error **errp) |
| 1350 | { |
| 1351 | ObjectProperty *prop = object_class_property_find(klass, name); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1352 | if (!prop) { |
| 1353 | error_setg(errp, "Property '.%s' not found", name); |
| 1354 | } |
| 1355 | return prop; |
| 1356 | } |
| 1357 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1358 | |
Markus Armbruster | df4fe0b | 2020-05-05 17:29:26 +0200 | [diff] [blame] | 1359 | void object_property_del(Object *obj, const char *name) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1360 | { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1361 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
| 1362 | |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 1363 | if (prop->release) { |
| 1364 | prop->release(obj, name, prop->opaque); |
| 1365 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1366 | g_hash_table_remove(obj->properties, name); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1367 | } |
| 1368 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1369 | bool object_property_get(Object *obj, const char *name, Visitor *v, |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1370 | Error **errp) |
| 1371 | { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1372 | Error *err = NULL; |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1373 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1374 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1375 | if (prop == NULL) { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1376 | return false; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1377 | } |
| 1378 | |
| 1379 | if (!prop->get) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1380 | error_setg(errp, QERR_PERMISSION_DENIED); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1381 | return false; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1382 | } |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1383 | prop->get(obj, v, name, prop->opaque, &err); |
| 1384 | error_propagate(errp, err); |
| 1385 | return !err; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1386 | } |
| 1387 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1388 | bool object_property_set(Object *obj, const char *name, Visitor *v, |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1389 | Error **errp) |
| 1390 | { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1391 | Error *err = NULL; |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1392 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1393 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1394 | if (prop == NULL) { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1395 | return false; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1396 | } |
| 1397 | |
| 1398 | if (!prop->set) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1399 | error_setg(errp, QERR_PERMISSION_DENIED); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1400 | return false; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1401 | } |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1402 | prop->set(obj, v, name, prop->opaque, &err); |
| 1403 | error_propagate(errp, err); |
| 1404 | return !err; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1405 | } |
| 1406 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1407 | bool object_property_set_str(Object *obj, const char *name, |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 1408 | const char *value, Error **errp) |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1409 | { |
| 1410 | QString *qstr = qstring_from_str(value); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1411 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qstr), errp); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1412 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1413 | qobject_unref(qstr); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1414 | return ok; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1415 | } |
| 1416 | |
| 1417 | char *object_property_get_str(Object *obj, const char *name, |
| 1418 | Error **errp) |
| 1419 | { |
| 1420 | QObject *ret = object_property_get_qobject(obj, name, errp); |
Markus Armbruster | 26c5282 | 2020-12-11 18:11:43 +0100 | [diff] [blame] | 1421 | QString *qstring; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1422 | char *retval; |
| 1423 | |
| 1424 | if (!ret) { |
| 1425 | return NULL; |
| 1426 | } |
Markus Armbruster | 26c5282 | 2020-12-11 18:11:43 +0100 | [diff] [blame] | 1427 | qstring = qobject_to(QString, ret); |
| 1428 | if (!qstring) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1429 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
Markus Armbruster | 26c5282 | 2020-12-11 18:11:43 +0100 | [diff] [blame] | 1430 | retval = NULL; |
| 1431 | } else { |
| 1432 | retval = g_strdup(qstring_get_str(qstring)); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1433 | } |
| 1434 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1435 | qobject_unref(ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1436 | return retval; |
| 1437 | } |
| 1438 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1439 | bool object_property_set_link(Object *obj, const char *name, |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 1440 | Object *value, Error **errp) |
Paolo Bonzini | 1d9c5a1 | 2012-02-02 10:51:57 +0100 | [diff] [blame] | 1441 | { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1442 | g_autofree char *path = NULL; |
| 1443 | |
Peter Crosthwaite | d3c4931 | 2014-09-25 22:19:19 -0700 | [diff] [blame] | 1444 | if (value) { |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1445 | path = object_get_canonical_path(value); |
Peter Crosthwaite | d3c4931 | 2014-09-25 22:19:19 -0700 | [diff] [blame] | 1446 | } |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1447 | return object_property_set_str(obj, name, path ?: "", errp); |
Paolo Bonzini | 1d9c5a1 | 2012-02-02 10:51:57 +0100 | [diff] [blame] | 1448 | } |
| 1449 | |
| 1450 | Object *object_property_get_link(Object *obj, const char *name, |
| 1451 | Error **errp) |
| 1452 | { |
| 1453 | char *str = object_property_get_str(obj, name, errp); |
| 1454 | Object *target = NULL; |
| 1455 | |
| 1456 | if (str && *str) { |
| 1457 | target = object_resolve_path(str, NULL); |
| 1458 | if (!target) { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 1459 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 1460 | "Device '%s' not found", str); |
Paolo Bonzini | 1d9c5a1 | 2012-02-02 10:51:57 +0100 | [diff] [blame] | 1461 | } |
| 1462 | } |
| 1463 | |
| 1464 | g_free(str); |
| 1465 | return target; |
| 1466 | } |
| 1467 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1468 | bool object_property_set_bool(Object *obj, const char *name, |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 1469 | bool value, Error **errp) |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1470 | { |
Eric Blake | fc48ffc | 2015-05-15 16:24:59 -0600 | [diff] [blame] | 1471 | QBool *qbool = qbool_from_bool(value); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1472 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qbool), errp); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1473 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1474 | qobject_unref(qbool); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1475 | return ok; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1476 | } |
| 1477 | |
| 1478 | bool object_property_get_bool(Object *obj, const char *name, |
| 1479 | Error **errp) |
| 1480 | { |
| 1481 | QObject *ret = object_property_get_qobject(obj, name, errp); |
| 1482 | QBool *qbool; |
| 1483 | bool retval; |
| 1484 | |
| 1485 | if (!ret) { |
| 1486 | return false; |
| 1487 | } |
Max Reitz | 7dc847e | 2018-02-24 16:40:29 +0100 | [diff] [blame] | 1488 | qbool = qobject_to(QBool, ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1489 | if (!qbool) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1490 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1491 | retval = false; |
| 1492 | } else { |
Eric Blake | fc48ffc | 2015-05-15 16:24:59 -0600 | [diff] [blame] | 1493 | retval = qbool_get_bool(qbool); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1494 | } |
| 1495 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1496 | qobject_unref(ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1497 | return retval; |
| 1498 | } |
| 1499 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1500 | bool object_property_set_int(Object *obj, const char *name, |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 1501 | int64_t value, Error **errp) |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1502 | { |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1503 | QNum *qnum = qnum_from_int(value); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1504 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1505 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1506 | qobject_unref(qnum); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1507 | return ok; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1508 | } |
| 1509 | |
| 1510 | int64_t object_property_get_int(Object *obj, const char *name, |
| 1511 | Error **errp) |
| 1512 | { |
| 1513 | QObject *ret = object_property_get_qobject(obj, name, errp); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1514 | QNum *qnum; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1515 | int64_t retval; |
| 1516 | |
| 1517 | if (!ret) { |
| 1518 | return -1; |
| 1519 | } |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1520 | |
Max Reitz | 7dc847e | 2018-02-24 16:40:29 +0100 | [diff] [blame] | 1521 | qnum = qobject_to(QNum, ret); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1522 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1523 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1524 | retval = -1; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1525 | } |
| 1526 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1527 | qobject_unref(ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1528 | return retval; |
| 1529 | } |
| 1530 | |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 1531 | static void object_property_init_defval(Object *obj, ObjectProperty *prop) |
| 1532 | { |
| 1533 | Visitor *v = qobject_input_visitor_new(prop->defval); |
| 1534 | |
| 1535 | assert(prop->set != NULL); |
| 1536 | prop->set(obj, v, prop->name, prop->opaque, &error_abort); |
| 1537 | |
| 1538 | visit_free(v); |
| 1539 | } |
| 1540 | |
| 1541 | static void object_property_set_default(ObjectProperty *prop, QObject *defval) |
| 1542 | { |
| 1543 | assert(!prop->defval); |
| 1544 | assert(!prop->init); |
| 1545 | |
| 1546 | prop->defval = defval; |
| 1547 | prop->init = object_property_init_defval; |
| 1548 | } |
| 1549 | |
| 1550 | void object_property_set_default_bool(ObjectProperty *prop, bool value) |
| 1551 | { |
| 1552 | object_property_set_default(prop, QOBJECT(qbool_from_bool(value))); |
| 1553 | } |
| 1554 | |
| 1555 | void object_property_set_default_str(ObjectProperty *prop, const char *value) |
| 1556 | { |
| 1557 | object_property_set_default(prop, QOBJECT(qstring_from_str(value))); |
| 1558 | } |
| 1559 | |
| 1560 | void object_property_set_default_int(ObjectProperty *prop, int64_t value) |
| 1561 | { |
| 1562 | object_property_set_default(prop, QOBJECT(qnum_from_int(value))); |
| 1563 | } |
| 1564 | |
| 1565 | void object_property_set_default_uint(ObjectProperty *prop, uint64_t value) |
| 1566 | { |
| 1567 | object_property_set_default(prop, QOBJECT(qnum_from_uint(value))); |
| 1568 | } |
| 1569 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1570 | bool object_property_set_uint(Object *obj, const char *name, |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 1571 | uint64_t value, Error **errp) |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1572 | { |
| 1573 | QNum *qnum = qnum_from_uint(value); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1574 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1575 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1576 | qobject_unref(qnum); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1577 | return ok; |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1578 | } |
| 1579 | |
| 1580 | uint64_t object_property_get_uint(Object *obj, const char *name, |
| 1581 | Error **errp) |
| 1582 | { |
| 1583 | QObject *ret = object_property_get_qobject(obj, name, errp); |
| 1584 | QNum *qnum; |
| 1585 | uint64_t retval; |
| 1586 | |
| 1587 | if (!ret) { |
| 1588 | return 0; |
| 1589 | } |
Max Reitz | 7dc847e | 2018-02-24 16:40:29 +0100 | [diff] [blame] | 1590 | qnum = qobject_to(QNum, ret); |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1591 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
| 1592 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); |
| 1593 | retval = 0; |
| 1594 | } |
| 1595 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1596 | qobject_unref(ret); |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1597 | return retval; |
| 1598 | } |
| 1599 | |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 1600 | typedef struct EnumProperty { |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 1601 | const QEnumLookup *lookup; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 1602 | int (*get)(Object *, Error **); |
| 1603 | void (*set)(Object *, int, Error **); |
| 1604 | } EnumProperty; |
| 1605 | |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1606 | int object_property_get_enum(Object *obj, const char *name, |
Daniel P. Berrange | a3590da | 2015-05-27 16:07:56 +0100 | [diff] [blame] | 1607 | const char *typename, Error **errp) |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1608 | { |
Chen Fan | 976620a | 2014-08-18 14:46:34 +0800 | [diff] [blame] | 1609 | char *str; |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1610 | int ret; |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1611 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
Daniel P. Berrange | a3590da | 2015-05-27 16:07:56 +0100 | [diff] [blame] | 1612 | EnumProperty *enumprop; |
| 1613 | |
| 1614 | if (prop == NULL) { |
Markus Armbruster | d20f616 | 2020-09-17 14:55:39 +0200 | [diff] [blame] | 1615 | return -1; |
Daniel P. Berrange | a3590da | 2015-05-27 16:07:56 +0100 | [diff] [blame] | 1616 | } |
| 1617 | |
| 1618 | if (!g_str_equal(prop->type, typename)) { |
| 1619 | error_setg(errp, "Property %s on %s is not '%s' enum type", |
| 1620 | name, object_class_get_name( |
| 1621 | object_get_class(obj)), typename); |
Markus Armbruster | d20f616 | 2020-09-17 14:55:39 +0200 | [diff] [blame] | 1622 | return -1; |
Daniel P. Berrange | a3590da | 2015-05-27 16:07:56 +0100 | [diff] [blame] | 1623 | } |
| 1624 | |
| 1625 | enumprop = prop->opaque; |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1626 | |
Markus Armbruster | b555f89 | 2020-05-05 17:29:12 +0200 | [diff] [blame] | 1627 | str = object_property_get_str(obj, name, errp); |
| 1628 | if (!str) { |
Markus Armbruster | d20f616 | 2020-09-17 14:55:39 +0200 | [diff] [blame] | 1629 | return -1; |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 1630 | } |
Chen Fan | 976620a | 2014-08-18 14:46:34 +0800 | [diff] [blame] | 1631 | |
Markus Armbruster | ea097df | 2020-04-24 10:43:36 +0200 | [diff] [blame] | 1632 | ret = qapi_enum_parse(enumprop->lookup, str, -1, errp); |
Chen Fan | 976620a | 2014-08-18 14:46:34 +0800 | [diff] [blame] | 1633 | g_free(str); |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1634 | |
| 1635 | return ret; |
| 1636 | } |
| 1637 | |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1638 | bool object_property_parse(Object *obj, const char *name, |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 1639 | const char *string, Error **errp) |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1640 | { |
Eric Blake | 7a0525c | 2016-06-09 10:48:37 -0600 | [diff] [blame] | 1641 | Visitor *v = string_input_visitor_new(string); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1642 | bool ok = object_property_set(obj, name, v, errp); |
| 1643 | |
Eric Blake | 7a0525c | 2016-06-09 10:48:37 -0600 | [diff] [blame] | 1644 | visit_free(v); |
Markus Armbruster | 6fd5bef | 2020-07-07 18:05:55 +0200 | [diff] [blame] | 1645 | return ok; |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1646 | } |
| 1647 | |
Paolo Bonzini | 0b7593e | 2014-02-08 11:01:50 +0100 | [diff] [blame] | 1648 | char *object_property_print(Object *obj, const char *name, bool human, |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1649 | Error **errp) |
| 1650 | { |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1651 | Visitor *v; |
Gonglei | 3a53009 | 2014-09-27 13:13:55 +0800 | [diff] [blame] | 1652 | char *string = NULL; |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1653 | |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1654 | v = string_output_visitor_new(human, &string); |
Markus Armbruster | af175e8 | 2020-07-07 18:06:03 +0200 | [diff] [blame] | 1655 | if (!object_property_get(obj, name, v, errp)) { |
Gonglei | 3a53009 | 2014-09-27 13:13:55 +0800 | [diff] [blame] | 1656 | goto out; |
| 1657 | } |
| 1658 | |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1659 | visit_complete(v, &string); |
Gonglei | 3a53009 | 2014-09-27 13:13:55 +0800 | [diff] [blame] | 1660 | |
| 1661 | out: |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1662 | visit_free(v); |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1663 | return string; |
| 1664 | } |
| 1665 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1666 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
| 1667 | { |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 1668 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1669 | if (prop == NULL) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1670 | return NULL; |
| 1671 | } |
| 1672 | |
| 1673 | return prop->type; |
| 1674 | } |
| 1675 | |
| 1676 | Object *object_get_root(void) |
| 1677 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 1678 | static Object *root; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1679 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 1680 | if (!root) { |
| 1681 | root = object_new("container"); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1682 | } |
| 1683 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 1684 | return root; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1685 | } |
| 1686 | |
Daniel P. Berrange | bc2256c | 2015-05-13 17:14:05 +0100 | [diff] [blame] | 1687 | Object *object_get_objects_root(void) |
| 1688 | { |
| 1689 | return container_get(object_get_root(), "/objects"); |
| 1690 | } |
| 1691 | |
Peter Xu | 7c47c4e | 2017-09-28 10:59:54 +0800 | [diff] [blame] | 1692 | Object *object_get_internal_root(void) |
| 1693 | { |
| 1694 | static Object *internal_root; |
| 1695 | |
| 1696 | if (!internal_root) { |
| 1697 | internal_root = object_new("container"); |
| 1698 | } |
| 1699 | |
| 1700 | return internal_root; |
| 1701 | } |
| 1702 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1703 | static void object_get_child_property(Object *obj, Visitor *v, |
| 1704 | const char *name, void *opaque, |
| 1705 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1706 | { |
| 1707 | Object *child = opaque; |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1708 | char *path; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1709 | |
| 1710 | path = object_get_canonical_path(child); |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1711 | visit_type_str(v, name, &path, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1712 | g_free(path); |
| 1713 | } |
| 1714 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1715 | static Object *object_resolve_child_property(Object *parent, void *opaque, |
| 1716 | const char *part) |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1717 | { |
| 1718 | return opaque; |
| 1719 | } |
| 1720 | |
Anthony Liguori | db85b57 | 2011-12-23 08:47:39 -0600 | [diff] [blame] | 1721 | static void object_finalize_child_property(Object *obj, const char *name, |
| 1722 | void *opaque) |
| 1723 | { |
| 1724 | Object *child = opaque; |
| 1725 | |
Paolo Bonzini | bffc687 | 2014-06-11 11:57:38 +0200 | [diff] [blame] | 1726 | if (child->class->unparent) { |
| 1727 | (child->class->unparent)(child); |
| 1728 | } |
| 1729 | child->parent = NULL; |
Anthony Liguori | db85b57 | 2011-12-23 08:47:39 -0600 | [diff] [blame] | 1730 | object_unref(child); |
| 1731 | } |
| 1732 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1733 | ObjectProperty * |
Eric Auger | db57fef | 2020-06-29 21:34:22 +0200 | [diff] [blame] | 1734 | object_property_try_add_child(Object *obj, const char *name, |
| 1735 | Object *child, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1736 | { |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1737 | g_autofree char *type = NULL; |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1738 | ObjectProperty *op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1739 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1740 | assert(!child->parent); |
Peter Crosthwaite | 8faa2f8 | 2014-09-25 22:19:52 -0700 | [diff] [blame] | 1741 | |
Philippe Mathieu-Daudé | 688ffbb | 2020-05-12 09:00:19 +0200 | [diff] [blame] | 1742 | type = g_strdup_printf("child<%s>", object_get_typename(child)); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1743 | |
Eric Auger | db57fef | 2020-06-29 21:34:22 +0200 | [diff] [blame] | 1744 | op = object_property_try_add(obj, name, type, object_get_child_property, |
| 1745 | NULL, object_finalize_child_property, |
| 1746 | child, errp); |
| 1747 | if (!op) { |
| 1748 | return NULL; |
| 1749 | } |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1750 | op->resolve = object_resolve_child_property; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1751 | object_ref(child); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1752 | child->parent = obj; |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1753 | return op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1754 | } |
| 1755 | |
Eric Auger | db57fef | 2020-06-29 21:34:22 +0200 | [diff] [blame] | 1756 | ObjectProperty * |
| 1757 | object_property_add_child(Object *obj, const char *name, |
| 1758 | Object *child) |
| 1759 | { |
| 1760 | return object_property_try_add_child(obj, name, child, &error_abort); |
| 1761 | } |
| 1762 | |
Igor Mammedov | 8f5d58e | 2017-07-14 10:14:50 +0800 | [diff] [blame] | 1763 | void object_property_allow_set_link(const Object *obj, const char *name, |
Stefan Hajnoczi | 39f72ef | 2014-03-19 08:58:56 +0100 | [diff] [blame] | 1764 | Object *val, Error **errp) |
| 1765 | { |
| 1766 | /* Allow the link to be set, always */ |
| 1767 | } |
| 1768 | |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1769 | typedef struct { |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1770 | union { |
| 1771 | Object **targetp; |
| 1772 | Object *target; /* if OBJ_PROP_LINK_DIRECT, when holding the pointer */ |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1773 | ptrdiff_t offset; /* if OBJ_PROP_LINK_CLASS */ |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1774 | }; |
Igor Mammedov | 8f5d58e | 2017-07-14 10:14:50 +0800 | [diff] [blame] | 1775 | void (*check)(const Object *, const char *, Object *, Error **); |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1776 | ObjectPropertyLinkFlags flags; |
| 1777 | } LinkProperty; |
| 1778 | |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1779 | static Object ** |
| 1780 | object_link_get_targetp(Object *obj, LinkProperty *lprop) |
| 1781 | { |
| 1782 | if (lprop->flags & OBJ_PROP_LINK_DIRECT) { |
| 1783 | return &lprop->target; |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1784 | } else if (lprop->flags & OBJ_PROP_LINK_CLASS) { |
| 1785 | return (void *)obj + lprop->offset; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1786 | } else { |
| 1787 | return lprop->targetp; |
| 1788 | } |
| 1789 | } |
| 1790 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1791 | static void object_get_link_property(Object *obj, Visitor *v, |
| 1792 | const char *name, void *opaque, |
| 1793 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1794 | { |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1795 | LinkProperty *lprop = opaque; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1796 | Object **targetp = object_link_get_targetp(obj, lprop); |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1797 | char *path; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1798 | |
Marc-André Lureau | 3685420 | 2020-01-10 19:30:26 +0400 | [diff] [blame] | 1799 | if (*targetp) { |
| 1800 | path = object_get_canonical_path(*targetp); |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1801 | visit_type_str(v, name, &path, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1802 | g_free(path); |
| 1803 | } else { |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1804 | path = (char *)""; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1805 | visit_type_str(v, name, &path, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1806 | } |
| 1807 | } |
| 1808 | |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1809 | /* |
| 1810 | * object_resolve_link: |
| 1811 | * |
| 1812 | * Lookup an object and ensure its type matches the link property type. This |
| 1813 | * is similar to object_resolve_path() except type verification against the |
| 1814 | * link property is performed. |
| 1815 | * |
| 1816 | * Returns: The matched object or NULL on path lookup failures. |
| 1817 | */ |
| 1818 | static Object *object_resolve_link(Object *obj, const char *name, |
| 1819 | const char *path, Error **errp) |
| 1820 | { |
| 1821 | const char *type; |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1822 | char *target_type; |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1823 | bool ambiguous = false; |
| 1824 | Object *target; |
| 1825 | |
| 1826 | /* Go from link<FOO> to FOO. */ |
| 1827 | type = object_property_get_type(obj, name, NULL); |
| 1828 | target_type = g_strndup(&type[5], strlen(type) - 6); |
| 1829 | target = object_resolve_path_type(path, target_type, &ambiguous); |
| 1830 | |
| 1831 | if (ambiguous) { |
Eric Blake | 455b0fd | 2015-11-10 23:51:20 -0700 | [diff] [blame] | 1832 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
| 1833 | path); |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1834 | } else if (!target) { |
| 1835 | target = object_resolve_path(path, &ambiguous); |
| 1836 | if (target || ambiguous) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1837 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1838 | } else { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 1839 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 1840 | "Device '%s' not found", path); |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1841 | } |
| 1842 | target = NULL; |
| 1843 | } |
| 1844 | g_free(target_type); |
| 1845 | |
| 1846 | return target; |
| 1847 | } |
| 1848 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1849 | static void object_set_link_property(Object *obj, Visitor *v, |
| 1850 | const char *name, void *opaque, |
| 1851 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1852 | { |
Stefan Hajnoczi | c6aed98 | 2014-03-19 08:58:54 +0100 | [diff] [blame] | 1853 | Error *local_err = NULL; |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1854 | LinkProperty *prop = opaque; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1855 | Object **targetp = object_link_get_targetp(obj, prop); |
Marc-André Lureau | 3685420 | 2020-01-10 19:30:26 +0400 | [diff] [blame] | 1856 | Object *old_target = *targetp; |
Markus Armbruster | 1c94a35 | 2020-07-07 18:05:53 +0200 | [diff] [blame] | 1857 | Object *new_target; |
Stefan Hajnoczi | c6aed98 | 2014-03-19 08:58:54 +0100 | [diff] [blame] | 1858 | char *path = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1859 | |
Markus Armbruster | 1c94a35 | 2020-07-07 18:05:53 +0200 | [diff] [blame] | 1860 | if (!visit_type_str(v, name, &path, errp)) { |
| 1861 | return; |
| 1862 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1863 | |
Markus Armbruster | 1c94a35 | 2020-07-07 18:05:53 +0200 | [diff] [blame] | 1864 | if (*path) { |
| 1865 | new_target = object_resolve_link(obj, name, path, errp); |
| 1866 | if (!new_target) { |
| 1867 | g_free(path); |
| 1868 | return; |
| 1869 | } |
| 1870 | } else { |
| 1871 | new_target = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1872 | } |
| 1873 | |
| 1874 | g_free(path); |
Alexander Barabash | f0cdc96 | 2012-02-22 19:22:26 +0200 | [diff] [blame] | 1875 | |
Stefan Hajnoczi | 39f72ef | 2014-03-19 08:58:56 +0100 | [diff] [blame] | 1876 | prop->check(obj, name, new_target, &local_err); |
| 1877 | if (local_err) { |
| 1878 | error_propagate(errp, local_err); |
| 1879 | return; |
| 1880 | } |
| 1881 | |
Marc-André Lureau | 3685420 | 2020-01-10 19:30:26 +0400 | [diff] [blame] | 1882 | *targetp = new_target; |
Marc-André Lureau | 8770baf | 2020-01-10 19:30:25 +0400 | [diff] [blame] | 1883 | if (prop->flags & OBJ_PROP_LINK_STRONG) { |
Marc-André Lureau | 265b578 | 2018-05-31 21:51:17 +0200 | [diff] [blame] | 1884 | object_ref(new_target); |
| 1885 | object_unref(old_target); |
| 1886 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1887 | } |
| 1888 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1889 | static Object *object_resolve_link_property(Object *parent, void *opaque, |
| 1890 | const char *part) |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1891 | { |
| 1892 | LinkProperty *lprop = opaque; |
| 1893 | |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1894 | return *object_link_get_targetp(parent, lprop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1895 | } |
| 1896 | |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1897 | static void object_release_link_property(Object *obj, const char *name, |
| 1898 | void *opaque) |
| 1899 | { |
| 1900 | LinkProperty *prop = opaque; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1901 | Object **targetp = object_link_get_targetp(obj, prop); |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1902 | |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1903 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *targetp) { |
| 1904 | object_unref(*targetp); |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1905 | } |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1906 | if (!(prop->flags & OBJ_PROP_LINK_CLASS)) { |
| 1907 | g_free(prop); |
| 1908 | } |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1909 | } |
| 1910 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1911 | static ObjectProperty * |
| 1912 | object_add_link_prop(Object *obj, const char *name, |
| 1913 | const char *type, void *ptr, |
| 1914 | void (*check)(const Object *, const char *, |
| 1915 | Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1916 | ObjectPropertyLinkFlags flags) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1917 | { |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1918 | LinkProperty *prop = g_malloc(sizeof(*prop)); |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1919 | g_autofree char *full_type = NULL; |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1920 | ObjectProperty *op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1921 | |
Marc-André Lureau | 4a8d579 | 2020-01-10 19:30:28 +0400 | [diff] [blame] | 1922 | if (flags & OBJ_PROP_LINK_DIRECT) { |
| 1923 | prop->target = ptr; |
| 1924 | } else { |
| 1925 | prop->targetp = ptr; |
| 1926 | } |
Stefan Hajnoczi | 39f72ef | 2014-03-19 08:58:56 +0100 | [diff] [blame] | 1927 | prop->check = check; |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1928 | prop->flags = flags; |
| 1929 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1930 | full_type = g_strdup_printf("link<%s>", type); |
| 1931 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1932 | op = object_property_add(obj, name, full_type, |
| 1933 | object_get_link_property, |
| 1934 | check ? object_set_link_property : NULL, |
| 1935 | object_release_link_property, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1936 | prop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1937 | op->resolve = object_resolve_link_property; |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1938 | return op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1939 | } |
| 1940 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1941 | ObjectProperty * |
| 1942 | object_property_add_link(Object *obj, const char *name, |
| 1943 | const char *type, Object **targetp, |
| 1944 | void (*check)(const Object *, const char *, |
| 1945 | Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1946 | ObjectPropertyLinkFlags flags) |
Marc-André Lureau | 4a8d579 | 2020-01-10 19:30:28 +0400 | [diff] [blame] | 1947 | { |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1948 | return object_add_link_prop(obj, name, type, targetp, check, flags); |
Marc-André Lureau | 4a8d579 | 2020-01-10 19:30:28 +0400 | [diff] [blame] | 1949 | } |
| 1950 | |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1951 | ObjectProperty * |
| 1952 | object_class_property_add_link(ObjectClass *oc, |
| 1953 | const char *name, |
| 1954 | const char *type, ptrdiff_t offset, |
| 1955 | void (*check)(const Object *obj, const char *name, |
| 1956 | Object *val, Error **errp), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1957 | ObjectPropertyLinkFlags flags) |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1958 | { |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1959 | LinkProperty *prop = g_new0(LinkProperty, 1); |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1960 | char *full_type; |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1961 | ObjectProperty *op; |
| 1962 | |
| 1963 | prop->offset = offset; |
| 1964 | prop->check = check; |
| 1965 | prop->flags = flags | OBJ_PROP_LINK_CLASS; |
| 1966 | |
| 1967 | full_type = g_strdup_printf("link<%s>", type); |
| 1968 | |
| 1969 | op = object_class_property_add(oc, name, full_type, |
| 1970 | object_get_link_property, |
| 1971 | check ? object_set_link_property : NULL, |
| 1972 | object_release_link_property, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1973 | prop); |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1974 | |
| 1975 | op->resolve = object_resolve_link_property; |
| 1976 | |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1977 | g_free(full_type); |
| 1978 | return op; |
| 1979 | } |
| 1980 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1981 | ObjectProperty * |
| 1982 | object_property_add_const_link(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1983 | Object *target) |
Paolo Bonzini | fb9e7e3 | 2015-05-05 18:29:00 +0200 | [diff] [blame] | 1984 | { |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1985 | return object_add_link_prop(obj, name, |
| 1986 | object_get_typename(target), target, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1987 | NULL, OBJ_PROP_LINK_DIRECT); |
Paolo Bonzini | fb9e7e3 | 2015-05-05 18:29:00 +0200 | [diff] [blame] | 1988 | } |
| 1989 | |
Markus Armbruster | 7a309cc | 2020-07-14 18:02:00 +0200 | [diff] [blame] | 1990 | const char *object_get_canonical_path_component(const Object *obj) |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1991 | { |
| 1992 | ObjectProperty *prop = NULL; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1993 | GHashTableIter iter; |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1994 | |
Paolo Bonzini | 770dec2 | 2018-04-30 11:44:17 +0200 | [diff] [blame] | 1995 | if (obj->parent == NULL) { |
| 1996 | return NULL; |
| 1997 | } |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1998 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1999 | g_hash_table_iter_init(&iter, obj->parent->properties); |
| 2000 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 2001 | if (!object_property_is_child(prop)) { |
| 2002 | continue; |
| 2003 | } |
| 2004 | |
| 2005 | if (prop->opaque == obj) { |
Markus Armbruster | 7a309cc | 2020-07-14 18:02:00 +0200 | [diff] [blame] | 2006 | return prop->name; |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 2007 | } |
| 2008 | } |
| 2009 | |
| 2010 | /* obj had a parent but was not a child, should never happen */ |
| 2011 | g_assert_not_reached(); |
| 2012 | return NULL; |
| 2013 | } |
| 2014 | |
Markus Armbruster | e8512df | 2020-05-27 10:47:53 +0200 | [diff] [blame] | 2015 | char *object_get_canonical_path(const Object *obj) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2016 | { |
| 2017 | Object *root = object_get_root(); |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 2018 | char *newpath, *path = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2019 | |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 2020 | if (obj == root) { |
| 2021 | return g_strdup("/"); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2022 | } |
| 2023 | |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 2024 | do { |
Markus Armbruster | 7a309cc | 2020-07-14 18:02:00 +0200 | [diff] [blame] | 2025 | const char *component = object_get_canonical_path_component(obj); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2026 | |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 2027 | if (!component) { |
| 2028 | /* A canonical path must be complete, so discard what was |
| 2029 | * collected so far. |
| 2030 | */ |
| 2031 | g_free(path); |
| 2032 | return NULL; |
| 2033 | } |
| 2034 | |
| 2035 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
| 2036 | g_free(path); |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 2037 | path = newpath; |
| 2038 | obj = obj->parent; |
| 2039 | } while (obj != root); |
| 2040 | |
| 2041 | return path; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2042 | } |
| 2043 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 2044 | Object *object_resolve_path_component(Object *parent, const char *part) |
Paolo Bonzini | a612b2a | 2012-03-27 18:38:45 +0200 | [diff] [blame] | 2045 | { |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 2046 | ObjectProperty *prop = object_property_find(parent, part); |
Paolo Bonzini | a612b2a | 2012-03-27 18:38:45 +0200 | [diff] [blame] | 2047 | if (prop == NULL) { |
| 2048 | return NULL; |
| 2049 | } |
| 2050 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2051 | if (prop->resolve) { |
| 2052 | return prop->resolve(parent, prop->opaque, part); |
Paolo Bonzini | a612b2a | 2012-03-27 18:38:45 +0200 | [diff] [blame] | 2053 | } else { |
| 2054 | return NULL; |
| 2055 | } |
| 2056 | } |
| 2057 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2058 | static Object *object_resolve_abs_path(Object *parent, |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2059 | char **parts, |
| 2060 | const char *typename) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2061 | { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2062 | Object *child; |
| 2063 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2064 | if (*parts == NULL) { |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2065 | return object_dynamic_cast(parent, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2066 | } |
| 2067 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2068 | if (strcmp(*parts, "") == 0) { |
| 2069 | return object_resolve_abs_path(parent, parts + 1, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2070 | } |
| 2071 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2072 | child = object_resolve_path_component(parent, *parts); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2073 | if (!child) { |
| 2074 | return NULL; |
| 2075 | } |
| 2076 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2077 | return object_resolve_abs_path(child, parts + 1, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2078 | } |
| 2079 | |
| 2080 | static Object *object_resolve_partial_path(Object *parent, |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 2081 | char **parts, |
| 2082 | const char *typename, |
| 2083 | bool *ambiguous) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2084 | { |
| 2085 | Object *obj; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 2086 | GHashTableIter iter; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2087 | ObjectProperty *prop; |
| 2088 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2089 | obj = object_resolve_abs_path(parent, parts, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2090 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 2091 | g_hash_table_iter_init(&iter, parent->properties); |
| 2092 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2093 | Object *found; |
| 2094 | |
Andreas Färber | 5d9d3f4 | 2012-05-27 00:32:40 +0200 | [diff] [blame] | 2095 | if (!object_property_is_child(prop)) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2096 | continue; |
| 2097 | } |
| 2098 | |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2099 | found = object_resolve_partial_path(prop->opaque, parts, |
| 2100 | typename, ambiguous); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2101 | if (found) { |
| 2102 | if (obj) { |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2103 | *ambiguous = true; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2104 | return NULL; |
| 2105 | } |
| 2106 | obj = found; |
| 2107 | } |
| 2108 | |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2109 | if (*ambiguous) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2110 | return NULL; |
| 2111 | } |
| 2112 | } |
| 2113 | |
| 2114 | return obj; |
| 2115 | } |
| 2116 | |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2117 | Object *object_resolve_path_type(const char *path, const char *typename, |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2118 | bool *ambiguousp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2119 | { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2120 | Object *obj; |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 2121 | char **parts; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2122 | |
| 2123 | parts = g_strsplit(path, "/", 0); |
Paolo Bonzini | 2e1103f | 2013-04-18 18:44:02 +0200 | [diff] [blame] | 2124 | assert(parts); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2125 | |
Paolo Bonzini | 2e1103f | 2013-04-18 18:44:02 +0200 | [diff] [blame] | 2126 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2127 | bool ambiguous = false; |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2128 | obj = object_resolve_partial_path(object_get_root(), parts, |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2129 | typename, &ambiguous); |
| 2130 | if (ambiguousp) { |
| 2131 | *ambiguousp = ambiguous; |
| 2132 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2133 | } else { |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2134 | obj = object_resolve_abs_path(object_get_root(), parts + 1, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2135 | } |
| 2136 | |
| 2137 | g_strfreev(parts); |
| 2138 | |
| 2139 | return obj; |
| 2140 | } |
| 2141 | |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2142 | Object *object_resolve_path(const char *path, bool *ambiguous) |
| 2143 | { |
| 2144 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); |
| 2145 | } |
| 2146 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2147 | typedef struct StringProperty |
| 2148 | { |
| 2149 | char *(*get)(Object *, Error **); |
| 2150 | void (*set)(Object *, const char *, Error **); |
| 2151 | } StringProperty; |
| 2152 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2153 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
| 2154 | void *opaque, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2155 | { |
| 2156 | StringProperty *prop = opaque; |
| 2157 | char *value; |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2158 | Error *err = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2159 | |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2160 | value = prop->get(obj, &err); |
| 2161 | if (err) { |
| 2162 | error_propagate(errp, err); |
| 2163 | return; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2164 | } |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2165 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2166 | visit_type_str(v, name, &value, errp); |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2167 | g_free(value); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2168 | } |
| 2169 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2170 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
| 2171 | void *opaque, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2172 | { |
| 2173 | StringProperty *prop = opaque; |
| 2174 | char *value; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2175 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2176 | if (!visit_type_str(v, name, &value, errp)) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2177 | return; |
| 2178 | } |
| 2179 | |
| 2180 | prop->set(obj, value, errp); |
| 2181 | g_free(value); |
| 2182 | } |
| 2183 | |
Paolo Bonzini | 169cbac | 2020-10-27 12:12:57 -0400 | [diff] [blame] | 2184 | static void property_release_data(Object *obj, const char *name, |
| 2185 | void *opaque) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2186 | { |
Paolo Bonzini | 169cbac | 2020-10-27 12:12:57 -0400 | [diff] [blame] | 2187 | g_free(opaque); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2188 | } |
| 2189 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2190 | ObjectProperty * |
| 2191 | object_property_add_str(Object *obj, const char *name, |
| 2192 | char *(*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2193 | void (*set)(Object *, const char *, Error **)) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2194 | { |
| 2195 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
| 2196 | |
| 2197 | prop->get = get; |
| 2198 | prop->set = set; |
| 2199 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2200 | return object_property_add(obj, name, "string", |
| 2201 | get ? property_get_str : NULL, |
| 2202 | set ? property_set_str : NULL, |
Paolo Bonzini | 169cbac | 2020-10-27 12:12:57 -0400 | [diff] [blame] | 2203 | property_release_data, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2204 | prop); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2205 | } |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2206 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2207 | ObjectProperty * |
| 2208 | object_class_property_add_str(ObjectClass *klass, const char *name, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2209 | char *(*get)(Object *, Error **), |
| 2210 | void (*set)(Object *, const char *, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2211 | Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2212 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2213 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
| 2214 | |
| 2215 | prop->get = get; |
| 2216 | prop->set = set; |
| 2217 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2218 | return object_class_property_add(klass, name, "string", |
| 2219 | get ? property_get_str : NULL, |
| 2220 | set ? property_set_str : NULL, |
| 2221 | NULL, |
| 2222 | prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2223 | } |
| 2224 | |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2225 | typedef struct BoolProperty |
| 2226 | { |
| 2227 | bool (*get)(Object *, Error **); |
| 2228 | void (*set)(Object *, bool, Error **); |
| 2229 | } BoolProperty; |
| 2230 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2231 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
| 2232 | void *opaque, Error **errp) |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2233 | { |
| 2234 | BoolProperty *prop = opaque; |
| 2235 | bool value; |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2236 | Error *err = NULL; |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2237 | |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2238 | value = prop->get(obj, &err); |
| 2239 | if (err) { |
| 2240 | error_propagate(errp, err); |
| 2241 | return; |
| 2242 | } |
| 2243 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2244 | visit_type_bool(v, name, &value, errp); |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2245 | } |
| 2246 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2247 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
| 2248 | void *opaque, Error **errp) |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2249 | { |
| 2250 | BoolProperty *prop = opaque; |
| 2251 | bool value; |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2252 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2253 | if (!visit_type_bool(v, name, &value, errp)) { |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2254 | return; |
| 2255 | } |
| 2256 | |
| 2257 | prop->set(obj, value, errp); |
| 2258 | } |
| 2259 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2260 | ObjectProperty * |
| 2261 | object_property_add_bool(Object *obj, const char *name, |
| 2262 | bool (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2263 | void (*set)(Object *, bool, Error **)) |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2264 | { |
| 2265 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
| 2266 | |
| 2267 | prop->get = get; |
| 2268 | prop->set = set; |
| 2269 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2270 | return object_property_add(obj, name, "bool", |
| 2271 | get ? property_get_bool : NULL, |
| 2272 | set ? property_set_bool : NULL, |
Paolo Bonzini | 169cbac | 2020-10-27 12:12:57 -0400 | [diff] [blame] | 2273 | property_release_data, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2274 | prop); |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2275 | } |
| 2276 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2277 | ObjectProperty * |
| 2278 | object_class_property_add_bool(ObjectClass *klass, const char *name, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2279 | bool (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2280 | void (*set)(Object *, bool, Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2281 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2282 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
| 2283 | |
| 2284 | prop->get = get; |
| 2285 | prop->set = set; |
| 2286 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2287 | return object_class_property_add(klass, name, "bool", |
| 2288 | get ? property_get_bool : NULL, |
| 2289 | set ? property_set_bool : NULL, |
| 2290 | NULL, |
| 2291 | prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2292 | } |
| 2293 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2294 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
| 2295 | void *opaque, Error **errp) |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2296 | { |
| 2297 | EnumProperty *prop = opaque; |
| 2298 | int value; |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2299 | Error *err = NULL; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2300 | |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2301 | value = prop->get(obj, &err); |
| 2302 | if (err) { |
| 2303 | error_propagate(errp, err); |
| 2304 | return; |
| 2305 | } |
| 2306 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2307 | visit_type_enum(v, name, &value, prop->lookup, errp); |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2308 | } |
| 2309 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2310 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
| 2311 | void *opaque, Error **errp) |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2312 | { |
| 2313 | EnumProperty *prop = opaque; |
| 2314 | int value; |
| 2315 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2316 | if (!visit_type_enum(v, name, &value, prop->lookup, errp)) { |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2317 | return; |
| 2318 | } |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2319 | prop->set(obj, value, errp); |
| 2320 | } |
| 2321 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2322 | ObjectProperty * |
| 2323 | object_property_add_enum(Object *obj, const char *name, |
| 2324 | const char *typename, |
| 2325 | const QEnumLookup *lookup, |
| 2326 | int (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2327 | void (*set)(Object *, int, Error **)) |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2328 | { |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2329 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
| 2330 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2331 | prop->lookup = lookup; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2332 | prop->get = get; |
| 2333 | prop->set = set; |
| 2334 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2335 | return object_property_add(obj, name, typename, |
| 2336 | get ? property_get_enum : NULL, |
| 2337 | set ? property_set_enum : NULL, |
Paolo Bonzini | 169cbac | 2020-10-27 12:12:57 -0400 | [diff] [blame] | 2338 | property_release_data, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2339 | prop); |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2340 | } |
| 2341 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2342 | ObjectProperty * |
| 2343 | object_class_property_add_enum(ObjectClass *klass, const char *name, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2344 | const char *typename, |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2345 | const QEnumLookup *lookup, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2346 | int (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2347 | void (*set)(Object *, int, Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2348 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2349 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
| 2350 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2351 | prop->lookup = lookup; |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2352 | prop->get = get; |
| 2353 | prop->set = set; |
| 2354 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2355 | return object_class_property_add(klass, name, typename, |
| 2356 | get ? property_get_enum : NULL, |
| 2357 | set ? property_set_enum : NULL, |
| 2358 | NULL, |
| 2359 | prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2360 | } |
| 2361 | |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2362 | typedef struct TMProperty { |
| 2363 | void (*get)(Object *, struct tm *, Error **); |
| 2364 | } TMProperty; |
| 2365 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2366 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
| 2367 | void *opaque, Error **errp) |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2368 | { |
| 2369 | TMProperty *prop = opaque; |
| 2370 | Error *err = NULL; |
| 2371 | struct tm value; |
| 2372 | |
| 2373 | prop->get(obj, &value, &err); |
| 2374 | if (err) { |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2375 | error_propagate(errp, err); |
| 2376 | return; |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2377 | } |
| 2378 | |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2379 | if (!visit_start_struct(v, name, NULL, 0, errp)) { |
| 2380 | return; |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2381 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2382 | if (!visit_type_int32(v, "tm_year", &value.tm_year, errp)) { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2383 | goto out_end; |
| 2384 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2385 | if (!visit_type_int32(v, "tm_mon", &value.tm_mon, errp)) { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2386 | goto out_end; |
| 2387 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2388 | if (!visit_type_int32(v, "tm_mday", &value.tm_mday, errp)) { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2389 | goto out_end; |
| 2390 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2391 | if (!visit_type_int32(v, "tm_hour", &value.tm_hour, errp)) { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2392 | goto out_end; |
| 2393 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2394 | if (!visit_type_int32(v, "tm_min", &value.tm_min, errp)) { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2395 | goto out_end; |
| 2396 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2397 | if (!visit_type_int32(v, "tm_sec", &value.tm_sec, errp)) { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2398 | goto out_end; |
| 2399 | } |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 2400 | visit_check_struct(v, errp); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2401 | out_end: |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 2402 | visit_end_struct(v, NULL); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2403 | } |
| 2404 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2405 | ObjectProperty * |
| 2406 | object_property_add_tm(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2407 | void (*get)(Object *, struct tm *, Error **)) |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2408 | { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2409 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
| 2410 | |
| 2411 | prop->get = get; |
| 2412 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2413 | return object_property_add(obj, name, "struct tm", |
| 2414 | get ? property_get_tm : NULL, NULL, |
Paolo Bonzini | 169cbac | 2020-10-27 12:12:57 -0400 | [diff] [blame] | 2415 | property_release_data, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2416 | prop); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2417 | } |
| 2418 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2419 | ObjectProperty * |
| 2420 | object_class_property_add_tm(ObjectClass *klass, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2421 | void (*get)(Object *, struct tm *, Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2422 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2423 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
| 2424 | |
| 2425 | prop->get = get; |
| 2426 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2427 | return object_class_property_add(klass, name, "struct tm", |
| 2428 | get ? property_get_tm : NULL, |
| 2429 | NULL, NULL, prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2430 | } |
| 2431 | |
Markus Armbruster | 90c69fb | 2020-07-07 18:05:50 +0200 | [diff] [blame] | 2432 | static char *object_get_type(Object *obj, Error **errp) |
Paolo Bonzini | 2f262e0 | 2012-04-02 17:33:51 +0200 | [diff] [blame] | 2433 | { |
| 2434 | return g_strdup(object_get_typename(obj)); |
| 2435 | } |
| 2436 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2437 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
| 2438 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2439 | { |
| 2440 | uint8_t value = *(uint8_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2441 | visit_type_uint8(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2442 | } |
| 2443 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2444 | static void property_set_uint8_ptr(Object *obj, Visitor *v, const char *name, |
| 2445 | void *opaque, Error **errp) |
| 2446 | { |
| 2447 | uint8_t *field = opaque; |
| 2448 | uint8_t value; |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2449 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2450 | if (!visit_type_uint8(v, name, &value, errp)) { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2451 | return; |
| 2452 | } |
| 2453 | |
| 2454 | *field = value; |
| 2455 | } |
| 2456 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2457 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
| 2458 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2459 | { |
| 2460 | uint16_t value = *(uint16_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2461 | visit_type_uint16(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2462 | } |
| 2463 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2464 | static void property_set_uint16_ptr(Object *obj, Visitor *v, const char *name, |
| 2465 | void *opaque, Error **errp) |
| 2466 | { |
| 2467 | uint16_t *field = opaque; |
| 2468 | uint16_t value; |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2469 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2470 | if (!visit_type_uint16(v, name, &value, errp)) { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2471 | return; |
| 2472 | } |
| 2473 | |
| 2474 | *field = value; |
| 2475 | } |
| 2476 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2477 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
| 2478 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2479 | { |
| 2480 | uint32_t value = *(uint32_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2481 | visit_type_uint32(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2482 | } |
| 2483 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2484 | static void property_set_uint32_ptr(Object *obj, Visitor *v, const char *name, |
| 2485 | void *opaque, Error **errp) |
| 2486 | { |
| 2487 | uint32_t *field = opaque; |
| 2488 | uint32_t value; |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2489 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2490 | if (!visit_type_uint32(v, name, &value, errp)) { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2491 | return; |
| 2492 | } |
| 2493 | |
| 2494 | *field = value; |
| 2495 | } |
| 2496 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2497 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
| 2498 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2499 | { |
| 2500 | uint64_t value = *(uint64_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2501 | visit_type_uint64(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2502 | } |
| 2503 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2504 | static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name, |
| 2505 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2506 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2507 | uint64_t *field = opaque; |
| 2508 | uint64_t value; |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2509 | |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 2510 | if (!visit_type_uint64(v, name, &value, errp)) { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2511 | return; |
| 2512 | } |
| 2513 | |
| 2514 | *field = value; |
| 2515 | } |
| 2516 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2517 | ObjectProperty * |
| 2518 | object_property_add_uint8_ptr(Object *obj, const char *name, |
| 2519 | const uint8_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2520 | ObjectPropertyFlags flags) |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2521 | { |
| 2522 | ObjectPropertyAccessor *getter = NULL; |
| 2523 | ObjectPropertyAccessor *setter = NULL; |
| 2524 | |
| 2525 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2526 | getter = property_get_uint8_ptr; |
| 2527 | } |
| 2528 | |
| 2529 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2530 | setter = property_set_uint8_ptr; |
| 2531 | } |
| 2532 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2533 | return object_property_add(obj, name, "uint8", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2534 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2535 | } |
| 2536 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2537 | ObjectProperty * |
| 2538 | object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2539 | const uint8_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2540 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2541 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2542 | ObjectPropertyAccessor *getter = NULL; |
| 2543 | ObjectPropertyAccessor *setter = NULL; |
| 2544 | |
| 2545 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2546 | getter = property_get_uint8_ptr; |
| 2547 | } |
| 2548 | |
| 2549 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2550 | setter = property_set_uint8_ptr; |
| 2551 | } |
| 2552 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2553 | return object_class_property_add(klass, name, "uint8", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2554 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2555 | } |
| 2556 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2557 | ObjectProperty * |
| 2558 | object_property_add_uint16_ptr(Object *obj, const char *name, |
| 2559 | const uint16_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2560 | ObjectPropertyFlags flags) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2561 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2562 | ObjectPropertyAccessor *getter = NULL; |
| 2563 | ObjectPropertyAccessor *setter = NULL; |
| 2564 | |
| 2565 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2566 | getter = property_get_uint16_ptr; |
| 2567 | } |
| 2568 | |
| 2569 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2570 | setter = property_set_uint16_ptr; |
| 2571 | } |
| 2572 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2573 | return object_property_add(obj, name, "uint16", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2574 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2575 | } |
| 2576 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2577 | ObjectProperty * |
| 2578 | object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2579 | const uint16_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2580 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2581 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2582 | ObjectPropertyAccessor *getter = NULL; |
| 2583 | ObjectPropertyAccessor *setter = NULL; |
| 2584 | |
| 2585 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2586 | getter = property_get_uint16_ptr; |
| 2587 | } |
| 2588 | |
| 2589 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2590 | setter = property_set_uint16_ptr; |
| 2591 | } |
| 2592 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2593 | return object_class_property_add(klass, name, "uint16", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2594 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2595 | } |
| 2596 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2597 | ObjectProperty * |
| 2598 | object_property_add_uint32_ptr(Object *obj, const char *name, |
| 2599 | const uint32_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2600 | ObjectPropertyFlags flags) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2601 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2602 | ObjectPropertyAccessor *getter = NULL; |
| 2603 | ObjectPropertyAccessor *setter = NULL; |
| 2604 | |
| 2605 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2606 | getter = property_get_uint32_ptr; |
| 2607 | } |
| 2608 | |
| 2609 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2610 | setter = property_set_uint32_ptr; |
| 2611 | } |
| 2612 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2613 | return object_property_add(obj, name, "uint32", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2614 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2615 | } |
| 2616 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2617 | ObjectProperty * |
| 2618 | object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2619 | const uint32_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2620 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2621 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2622 | ObjectPropertyAccessor *getter = NULL; |
| 2623 | ObjectPropertyAccessor *setter = NULL; |
| 2624 | |
| 2625 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2626 | getter = property_get_uint32_ptr; |
| 2627 | } |
| 2628 | |
| 2629 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2630 | setter = property_set_uint32_ptr; |
| 2631 | } |
| 2632 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2633 | return object_class_property_add(klass, name, "uint32", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2634 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2635 | } |
| 2636 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2637 | ObjectProperty * |
| 2638 | object_property_add_uint64_ptr(Object *obj, const char *name, |
| 2639 | const uint64_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2640 | ObjectPropertyFlags flags) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2641 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2642 | ObjectPropertyAccessor *getter = NULL; |
| 2643 | ObjectPropertyAccessor *setter = NULL; |
| 2644 | |
| 2645 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2646 | getter = property_get_uint64_ptr; |
| 2647 | } |
| 2648 | |
| 2649 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2650 | setter = property_set_uint64_ptr; |
| 2651 | } |
| 2652 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2653 | return object_property_add(obj, name, "uint64", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2654 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2655 | } |
| 2656 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2657 | ObjectProperty * |
| 2658 | object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2659 | const uint64_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2660 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2661 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2662 | ObjectPropertyAccessor *getter = NULL; |
| 2663 | ObjectPropertyAccessor *setter = NULL; |
| 2664 | |
| 2665 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2666 | getter = property_get_uint64_ptr; |
| 2667 | } |
| 2668 | |
| 2669 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2670 | setter = property_set_uint64_ptr; |
| 2671 | } |
| 2672 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2673 | return object_class_property_add(klass, name, "uint64", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2674 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2675 | } |
| 2676 | |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2677 | typedef struct { |
| 2678 | Object *target_obj; |
Eduardo Habkost | 1590d26 | 2015-04-09 16:57:29 -0300 | [diff] [blame] | 2679 | char *target_name; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2680 | } AliasProperty; |
| 2681 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2682 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
| 2683 | void *opaque, Error **errp) |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2684 | { |
| 2685 | AliasProperty *prop = opaque; |
| 2686 | |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 2687 | object_property_get(prop->target_obj, prop->target_name, v, errp); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2688 | } |
| 2689 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2690 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
| 2691 | void *opaque, Error **errp) |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2692 | { |
| 2693 | AliasProperty *prop = opaque; |
| 2694 | |
Markus Armbruster | 5325cc3 | 2020-07-07 18:05:54 +0200 | [diff] [blame] | 2695 | object_property_set(prop->target_obj, prop->target_name, v, errp); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2696 | } |
| 2697 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2698 | static Object *property_resolve_alias(Object *obj, void *opaque, |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 2699 | const char *part) |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2700 | { |
| 2701 | AliasProperty *prop = opaque; |
| 2702 | |
| 2703 | return object_resolve_path_component(prop->target_obj, prop->target_name); |
| 2704 | } |
| 2705 | |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2706 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
| 2707 | { |
| 2708 | AliasProperty *prop = opaque; |
| 2709 | |
Eduardo Habkost | 1590d26 | 2015-04-09 16:57:29 -0300 | [diff] [blame] | 2710 | g_free(prop->target_name); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2711 | g_free(prop); |
| 2712 | } |
| 2713 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2714 | ObjectProperty * |
| 2715 | object_property_add_alias(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2716 | Object *target_obj, const char *target_name) |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2717 | { |
| 2718 | AliasProperty *prop; |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2719 | ObjectProperty *op; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2720 | ObjectProperty *target_prop; |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2721 | g_autofree char *prop_type = NULL; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2722 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 2723 | target_prop = object_property_find_err(target_obj, target_name, |
| 2724 | &error_abort); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2725 | |
Paolo Bonzini | d190698 | 2014-06-10 11:17:35 +0200 | [diff] [blame] | 2726 | if (object_property_is_child(target_prop)) { |
| 2727 | prop_type = g_strdup_printf("link%s", |
| 2728 | target_prop->type + strlen("child")); |
| 2729 | } else { |
| 2730 | prop_type = g_strdup(target_prop->type); |
| 2731 | } |
| 2732 | |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2733 | prop = g_malloc(sizeof(*prop)); |
| 2734 | prop->target_obj = target_obj; |
Eduardo Habkost | 1590d26 | 2015-04-09 16:57:29 -0300 | [diff] [blame] | 2735 | prop->target_name = g_strdup(target_name); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2736 | |
Paolo Bonzini | d190698 | 2014-06-10 11:17:35 +0200 | [diff] [blame] | 2737 | op = object_property_add(obj, name, prop_type, |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2738 | property_get_alias, |
| 2739 | property_set_alias, |
| 2740 | property_release_alias, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2741 | prop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2742 | op->resolve = property_resolve_alias; |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 2743 | if (target_prop->defval) { |
| 2744 | op->defval = qobject_ref(target_prop->defval); |
| 2745 | } |
Paolo Bonzini | d190698 | 2014-06-10 11:17:35 +0200 | [diff] [blame] | 2746 | |
Andreas Färber | a18bb41 | 2015-03-27 17:34:10 +0100 | [diff] [blame] | 2747 | object_property_set_description(obj, op->name, |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2748 | target_prop->description); |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2749 | return op; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2750 | } |
| 2751 | |
Gonglei | 8074264 | 2014-10-07 14:33:21 +0800 | [diff] [blame] | 2752 | void object_property_set_description(Object *obj, const char *name, |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2753 | const char *description) |
Gonglei | 8074264 | 2014-10-07 14:33:21 +0800 | [diff] [blame] | 2754 | { |
| 2755 | ObjectProperty *op; |
| 2756 | |
Daniel P. Berrangé | efba159 | 2020-09-14 14:56:17 +0100 | [diff] [blame] | 2757 | op = object_property_find_err(obj, name, &error_abort); |
Gonglei | 8074264 | 2014-10-07 14:33:21 +0800 | [diff] [blame] | 2758 | g_free(op->description); |
| 2759 | op->description = g_strdup(description); |
| 2760 | } |
| 2761 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2762 | void object_class_property_set_description(ObjectClass *klass, |
| 2763 | const char *name, |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2764 | const char *description) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2765 | { |
| 2766 | ObjectProperty *op; |
| 2767 | |
| 2768 | op = g_hash_table_lookup(klass->properties, name); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2769 | g_free(op->description); |
| 2770 | op->description = g_strdup(description); |
| 2771 | } |
| 2772 | |
Marc-André Lureau | 7439a03 | 2018-09-06 18:09:32 +0400 | [diff] [blame] | 2773 | static void object_class_init(ObjectClass *klass, void *data) |
Paolo Bonzini | 2f262e0 | 2012-04-02 17:33:51 +0200 | [diff] [blame] | 2774 | { |
Markus Armbruster | 90c69fb | 2020-07-07 18:05:50 +0200 | [diff] [blame] | 2775 | object_class_property_add_str(klass, "type", object_get_type, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2776 | NULL); |
Paolo Bonzini | 2f262e0 | 2012-04-02 17:33:51 +0200 | [diff] [blame] | 2777 | } |
| 2778 | |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2779 | static void register_types(void) |
| 2780 | { |
| 2781 | static TypeInfo interface_info = { |
| 2782 | .name = TYPE_INTERFACE, |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 2783 | .class_size = sizeof(InterfaceClass), |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2784 | .abstract = true, |
| 2785 | }; |
| 2786 | |
| 2787 | static TypeInfo object_info = { |
| 2788 | .name = TYPE_OBJECT, |
| 2789 | .instance_size = sizeof(Object), |
Marc-André Lureau | 7439a03 | 2018-09-06 18:09:32 +0400 | [diff] [blame] | 2790 | .class_init = object_class_init, |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2791 | .abstract = true, |
| 2792 | }; |
| 2793 | |
Paolo Bonzini | 049cb3c | 2012-04-04 15:58:40 +0200 | [diff] [blame] | 2794 | type_interface = type_register_internal(&interface_info); |
| 2795 | type_register_internal(&object_info); |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2796 | } |
| 2797 | |
| 2798 | type_init(register_types) |