Signed-off-by: Lin Ma <l...@suse.com> --- qemu-options.hx | 5 ++++- qom/object_interfaces.c | 16 ++++++++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/qemu-options.hx b/qemu-options.hx index a71aaf8..c5f4a12 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -3752,7 +3752,8 @@ DEF("object", HAS_ARG, QEMU_OPTION_object, " create a new object of type TYPENAME setting properties\n" " in the order they are specified. Note that the 'id'\n" " property must be set. These objects are placed in the\n" - " '/objects' path.\n", + " '/objects' path.\n" + " Use '-object help' to print available backend types.\n", QEMU_ARCH_ALL) STEXI @item -object @var{typename}[,@var{prop1}=@var{value1},...] @@ -3762,6 +3763,8 @@ in the order they are specified. Note that the 'id' property must be set. These objects are placed in the '/objects' path. +Use '-object help' to print available backend types. + @table @option @item -object memory-backend-file,id=@var{id},size=@var{size},mem-path=@var{dir},share=@var{on|off} diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c index bf59846..8f820a4 100644 --- a/qom/object_interfaces.c +++ b/qom/object_interfaces.c @@ -58,6 +58,22 @@ Object *user_creatable_add(const QDict *qdict, goto out_visit; } + if (!strcmp(type, "help")) { + printf("Available object backend types:\n"); + GSList *list = object_class_get_list(TYPE_USER_CREATABLE, false); + while (list) { + const char *name; + name = object_class_get_name(OBJECT_CLASS(list->data)); + /* Ignore user-creatable. */ + if (strcmp(name, TYPE_USER_CREATABLE)) { + printf("%s\n", name); + } + list = list->next; + } + g_slist_free(list); + exit(0); + } + qdict_del(pdict, "id"); visit_type_str(v, "id", &id, &local_err); if (local_err) { -- 2.9.2