From 10b889b529490efb228667505bab851e8e406c67 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 18 May 2021 11:40:59 -0400 Subject: [PATCH 5/5] vl: plug -object back into -readconfig Commit bc2f4fcb1d ("qom: move user_creatable_add_opts logic to vl.c and QAPIfy it", 2021-03-19) switched the creation of objects from qemu_opts_foreach to a bespoke QTAILQ in preparation for supporting JSON syntax in -object. Unfortunately in doing so it lost support for [object] stanzas in configuration files and also for "-set object.ID.KEY=VAL". The latter is hard to re-establish and probably best solved by deprecating -set. This patch uses the infrastructure introduced by the previous two patches in order to parse QOM objects correctly from configuration files. Cc: Markus Armbruster Cc: qemu-stable@nongnu.org Reviewed-by: Kevin Wolf Signed-off-by: Paolo Bonzini Message-Id: <20210524105752.3318299-4-pbonzini@redhat.com> --- softmmu/vl.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/softmmu/vl.c b/softmmu/vl.c index 48d1f06..d282dea 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -1709,9 +1709,15 @@ static void object_option_foreach_add(bool (*type_opt_predicate)(const char *)) } } +static void object_option_add_visitor(Visitor *v) +{ + ObjectOption *opt = g_new0(ObjectOption, 1); + visit_type_ObjectOptions(v, NULL, &opt->opts, &error_fatal); + QTAILQ_INSERT_TAIL(&object_opts, opt, next); +} + static void object_option_parse(const char *optarg) { - ObjectOption *opt; QemuOpts *opts; const char *type; Visitor *v; @@ -1739,11 +1745,8 @@ static void object_option_parse(const char *optarg) v = opts_visitor_new(opts); } - opt = g_new0(ObjectOption, 1); - visit_type_ObjectOptions(v, NULL, &opt->opts, &error_fatal); + object_option_add_visitor(v); visit_free(v); - - QTAILQ_INSERT_TAIL(&object_opts, opt, next); } /* @@ -2120,13 +2123,22 @@ static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) */ static bool is_qemuopts_group(const char *group) { + if (g_str_equal(group, "object")) { + return false; + } return true; } static void qemu_record_config_group(const char *group, QDict *dict, bool from_json, Error **errp) { - abort(); + if (g_str_equal(group, "object")) { + Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict)); + object_option_add_visitor(v); + visit_free(v); + } else { + abort(); + } } /* -- 2.31.1