qmp: introduce device-list-properties command
This can be used in conjunction with qom-list-types to determine the supported set of devices and their parameters. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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@ -1724,6 +1724,34 @@
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'data': { '*implements': 'str', '*abstract': 'bool' },
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'data': { '*implements': 'str', '*abstract': 'bool' },
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'returns': [ 'ObjectTypeInfo' ] }
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'returns': [ 'ObjectTypeInfo' ] }
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##
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# @DevicePropertyInfo:
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#
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# Information about device properties.
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#
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# @name: the name of the property
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# @type: the typename of the property
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#
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# Since: 1.2
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##
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{ 'type': 'DevicePropertyInfo',
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'data': { 'name': 'str', 'type': 'str' } }
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##
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# @device-list-properties:
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#
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# List properties associated with a device.
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#
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# @typename: the type name of a device
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#
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# Returns: a list of DevicePropertyInfo describing a devices properties
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#
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# Since: 1.2
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##
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{ 'command': 'device-list-properties',
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'data': { 'typename': 'str'},
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'returns': [ 'DevicePropertyInfo' ] }
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##
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##
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# @migrate
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# @migrate
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#
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#
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@ -2217,3 +2217,10 @@ EQMP
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.args_type = "implements:s?,abstract:b?",
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.args_type = "implements:s?,abstract:b?",
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.mhandler.cmd_new = qmp_marshal_input_qom_list_types,
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.mhandler.cmd_new = qmp_marshal_input_qom_list_types,
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},
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},
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{
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.name = "device-list-properties",
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.args_type = "typename:s",
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.mhandler.cmd_new = qmp_marshal_input_device_list_properties,
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},
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50
qmp.c
50
qmp.c
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@ -417,3 +417,53 @@ ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
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return ret;
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return ret;
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}
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}
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DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
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Error **errp)
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{
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ObjectClass *klass;
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Property *prop;
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DevicePropertyInfoList *prop_list = NULL;
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klass = object_class_by_name(typename);
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if (klass == NULL) {
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error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
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return NULL;
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}
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klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
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if (klass == NULL) {
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error_set(errp, QERR_INVALID_PARAMETER_VALUE,
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"name", TYPE_DEVICE);
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return NULL;
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}
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do {
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for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
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DevicePropertyInfoList *entry;
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DevicePropertyInfo *info;
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/*
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* TODO Properties without a parser are just for dirty hacks.
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* qdev_prop_ptr is the only such PropertyInfo. It's marked
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* for removal. This conditional should be removed along with
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* it.
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*/
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if (!prop->info->set) {
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continue; /* no way to set it, don't show */
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}
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info = g_malloc0(sizeof(*info));
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info->name = g_strdup(prop->name);
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info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
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entry = g_malloc0(sizeof(*entry));
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entry->value = info;
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entry->next = prop_list;
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prop_list = entry;
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}
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klass = object_class_get_parent(klass);
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} while (klass != object_class_by_name(TYPE_DEVICE));
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return prop_list;
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}
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