1 /* 2 * HMP commands related to QOM 3 * 4 * This work is licensed under the terms of the GNU GPL, version 2 or 5 * later. See the COPYING file in the top-level directory. 6 */ 7 8 #include "qemu/osdep.h" 9 #include "hw/qdev-core.h" 10 #include "monitor/hmp.h" 11 #include "monitor/monitor.h" 12 #include "qapi/error.h" 13 #include "qapi/qapi-commands-qom.h" 14 #include "qapi/qmp/qdict.h" 15 #include "qapi/qmp/qjson.h" 16 #include "qapi/qmp/qstring.h" 17 #include "qom/object.h" 18 19 void hmp_qom_list(Monitor *mon, const QDict *qdict) 20 { 21 const char *path = qdict_get_try_str(qdict, "path"); 22 ObjectPropertyInfoList *list; 23 Error *err = NULL; 24 25 if (path == NULL) { 26 monitor_printf(mon, "/\n"); 27 return; 28 } 29 30 list = qmp_qom_list(path, &err); 31 if (err == NULL) { 32 ObjectPropertyInfoList *start = list; 33 while (list != NULL) { 34 ObjectPropertyInfo *value = list->value; 35 36 monitor_printf(mon, "%s (%s)\n", 37 value->name, value->type); 38 list = list->next; 39 } 40 qapi_free_ObjectPropertyInfoList(start); 41 } 42 hmp_handle_error(mon, err); 43 } 44 45 void hmp_qom_set(Monitor *mon, const QDict *qdict) 46 { 47 const char *path = qdict_get_str(qdict, "path"); 48 const char *property = qdict_get_str(qdict, "property"); 49 const char *value = qdict_get_str(qdict, "value"); 50 Error *err = NULL; 51 QObject *obj; 52 53 obj = qobject_from_json(value, &err); 54 if (err == NULL) { 55 qmp_qom_set(path, property, obj, &err); 56 } 57 58 hmp_handle_error(mon, err); 59 } 60 61 void hmp_qom_get(Monitor *mon, const QDict *qdict) 62 { 63 const char *path = qdict_get_str(qdict, "path"); 64 const char *property = qdict_get_str(qdict, "property"); 65 Error *err = NULL; 66 QObject *obj = qmp_qom_get(path, property, &err); 67 68 if (err == NULL) { 69 QString *str = qobject_to_json_pretty(obj); 70 monitor_printf(mon, "%s\n", qstring_get_str(str)); 71 qobject_unref(str); 72 } 73 74 hmp_handle_error(mon, err); 75 } 76 77 typedef struct QOMCompositionState { 78 Monitor *mon; 79 int indent; 80 } QOMCompositionState; 81 82 static void print_qom_composition(Monitor *mon, Object *obj, int indent); 83 84 static int print_qom_composition_child(Object *obj, void *opaque) 85 { 86 QOMCompositionState *s = opaque; 87 88 print_qom_composition(s->mon, obj, s->indent); 89 90 return 0; 91 } 92 93 static void print_qom_composition(Monitor *mon, Object *obj, int indent) 94 { 95 QOMCompositionState s = { 96 .mon = mon, 97 .indent = indent + 2, 98 }; 99 char *name; 100 101 if (obj == object_get_root()) { 102 name = g_strdup(""); 103 } else { 104 name = object_get_canonical_path_component(obj); 105 } 106 monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name, 107 object_get_typename(obj)); 108 g_free(name); 109 object_child_foreach(obj, print_qom_composition_child, &s); 110 } 111 112 void hmp_info_qom_tree(Monitor *mon, const QDict *dict) 113 { 114 const char *path = qdict_get_try_str(dict, "path"); 115 Object *obj; 116 bool ambiguous = false; 117 118 if (path) { 119 obj = object_resolve_path(path, &ambiguous); 120 if (!obj) { 121 monitor_printf(mon, "Path '%s' could not be resolved.\n", path); 122 return; 123 } 124 if (ambiguous) { 125 monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path); 126 return; 127 } 128 } else { 129 obj = qdev_get_machine(); 130 } 131 print_qom_composition(mon, obj, 0); 132 } 133