qdev: device module support

Hook module loading into the places where we need it when building devices as modules. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20200624131045.14512-4-kraxel@redhat.com
qemu · Jul 7, 2020 · 7ab6e7f · 7ab6e7f
1 parent 0f8198f
commit 7ab6e7f
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Showing 4 changed files with 11 additions and 7 deletions.
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
@@ -137,6 +137,9 @@ void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
  */
 DeviceState *qdev_new(const char *name)
 {
+    if (!object_class_by_name(name)) {
+        module_load_qom_one(name);
+    }
     return DEVICE(object_new(name));
 }
 
@@ -147,10 +150,9 @@ DeviceState *qdev_new(const char *name)
  */
 DeviceState *qdev_try_new(const char *name)
 {
-    if (!object_class_by_name(name)) {
+    if (!module_object_class_by_name(name)) {
         return NULL;
     }
-
     return DEVICE(object_new(name));
 }
 

diff --git a/qdev-monitor.c b/qdev-monitor.c
@@ -147,6 +147,7 @@ static void qdev_print_devinfos(bool show_no_user)
     int i;
     bool cat_printed;
 
+    module_load_qom_all();
     list = object_class_get_list_sorted(TYPE_DEVICE, false);
 
     for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) {
@@ -215,13 +216,13 @@ static DeviceClass *qdev_get_device_class(const char **driver, Error **errp)
     DeviceClass *dc;
     const char *original_name = *driver;
 
-    oc = object_class_by_name(*driver);
+    oc = module_object_class_by_name(*driver);
     if (!oc) {
         const char *typename = find_typename_by_alias(*driver);
 
         if (typename) {
             *driver = typename;
-            oc = object_class_by_name(*driver);
+            oc = module_object_class_by_name(*driver);
         }
     }
 

diff --git a/qom/qom-qmp-cmds.c b/qom/qom-qmp-cmds.c
@@ -116,6 +116,7 @@ ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
 {
     ObjectTypeInfoList *ret = NULL;
 
+    module_load_qom_all();
     object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
 
     return ret;
@@ -130,7 +131,7 @@ ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
     ObjectPropertyIterator iter;
     ObjectPropertyInfoList *prop_list = NULL;
 
-    klass = object_class_by_name(typename);
+    klass = module_object_class_by_name(typename);
     if (klass == NULL) {
         error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
                   "Device '%s' not found", typename);

diff --git a/softmmu/vl.c b/softmmu/vl.c
@@ -1772,8 +1772,8 @@ static bool vga_interface_available(VGAInterfaceType t)
 
     assert(t < VGA_TYPE_MAX);
     return !ti->class_names[0] ||
-           object_class_by_name(ti->class_names[0]) ||
-           object_class_by_name(ti->class_names[1]);
+           module_object_class_by_name(ti->class_names[0]) ||
+           module_object_class_by_name(ti->class_names[1]);
 }
 
 static const char *