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 "qom/object.h" 16 17 void hmp_qom_list(Monitor *mon, const QDict *qdict) 18 { 19 const char *path = qdict_get_try_str(qdict, "path"); 20 ObjectPropertyInfoList *list; 21 Error *err = NULL; 22 23 if (path == NULL) { 24 monitor_printf(mon, "/\n"); 25 return; 26 } 27 28 list = qmp_qom_list(path, &err); 29 if (err == NULL) { 30 ObjectPropertyInfoList *start = list; 31 while (list != NULL) { 32 ObjectPropertyInfo *value = list->value; 33 34 monitor_printf(mon, "%s (%s)\n", 35 value->name, value->type); 36 list = list->next; 37 } 38 qapi_free_ObjectPropertyInfoList(start); 39 } 40 hmp_handle_error(mon, &err); 41 } 42 43 void hmp_qom_set(Monitor *mon, const QDict *qdict) 44 { 45 const char *path = qdict_get_str(qdict, "path"); 46 const char *property = qdict_get_str(qdict, "property"); 47 const char *value = qdict_get_str(qdict, "value"); 48 Error *err = NULL; 49 bool ambiguous = false; 50 Object *obj; 51 52 obj = object_resolve_path(path, &ambiguous); 53 if (obj == NULL) { 54 error_set(&err, ERROR_CLASS_DEVICE_NOT_FOUND, 55 "Device '%s' not found", path); 56 } else { 57 if (ambiguous) { 58 monitor_printf(mon, "Warning: Path '%s' is ambiguous\n", path); 59 } 60 object_property_parse(obj, value, property, &err); 61 } 62 hmp_handle_error(mon, &err); 63 } 64 65 typedef struct QOMCompositionState { 66 Monitor *mon; 67 int indent; 68 } QOMCompositionState; 69 70 static void print_qom_composition(Monitor *mon, Object *obj, int indent); 71 72 static int print_qom_composition_child(Object *obj, void *opaque) 73 { 74 QOMCompositionState *s = opaque; 75 76 print_qom_composition(s->mon, obj, s->indent); 77 78 return 0; 79 } 80 81 static void print_qom_composition(Monitor *mon, Object *obj, int indent) 82 { 83 QOMCompositionState s = { 84 .mon = mon, 85 .indent = indent + 2, 86 }; 87 char *name; 88 89 if (obj == object_get_root()) { 90 name = g_strdup(""); 91 } else { 92 name = object_get_canonical_path_component(obj); 93 } 94 monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name, 95 object_get_typename(obj)); 96 g_free(name); 97 object_child_foreach(obj, print_qom_composition_child, &s); 98 } 99 100 void hmp_info_qom_tree(Monitor *mon, const QDict *dict) 101 { 102 const char *path = qdict_get_try_str(dict, "path"); 103 Object *obj; 104 bool ambiguous = false; 105 106 if (path) { 107 obj = object_resolve_path(path, &ambiguous); 108 if (!obj) { 109 monitor_printf(mon, "Path '%s' could not be resolved.\n", path); 110 return; 111 } 112 if (ambiguous) { 113 monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path); 114 return; 115 } 116 } else { 117 obj = qdev_get_machine(); 118 } 119 print_qom_composition(mon, obj, 0); 120 } 121