qdev: Move HMP command completion from monitor to softmmu/

This moves the completion code from MAINTAINERS sections "Human
Monitor (HMP)" and "QMP" to section "QOM".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-26-armbru@redhat.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c
index 4b0ef65780..b8d2c4dadd 100644
--- a/softmmu/qdev-monitor.c
+++ b/softmmu/qdev-monitor.c
@@ -973,6 +973,88 @@ void hmp_device_del(Monitor *mon, const QDict *qdict)
     hmp_handle_error(mon, err);
 }
 
+void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
+{
+    GSList *list, *elt;
+    size_t len;
+
+    if (nb_args != 2) {
+        return;
+    }
+
+    len = strlen(str);
+    readline_set_completion_index(rs, len);
+    list = elt = object_class_get_list(TYPE_DEVICE, false);
+    while (elt) {
+        DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
+                                             TYPE_DEVICE);
+
+        if (dc->user_creatable) {
+            readline_add_completion_of(rs, str,
+                                object_class_get_name(OBJECT_CLASS(dc)));
+        }
+        elt = elt->next;
+    }
+    g_slist_free(list);
+}
+
+static int qdev_add_hotpluggable_device(Object *obj, void *opaque)
+{
+    GSList **list = opaque;
+    DeviceState *dev = (DeviceState *)object_dynamic_cast(obj, TYPE_DEVICE);
+
+    if (dev == NULL) {
+        return 0;
+    }
+
+    if (dev->realized && object_property_get_bool(obj, "hotpluggable", NULL)) {
+        *list = g_slist_append(*list, dev);
+    }
+
+    return 0;
+}
+
+static GSList *qdev_build_hotpluggable_device_list(Object *peripheral)
+{
+    GSList *list = NULL;
+
+    object_child_foreach(peripheral, qdev_add_hotpluggable_device, &list);
+
+    return list;
+}
+
+static void peripheral_device_del_completion(ReadLineState *rs,
+                                             const char *str)
+{
+    Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
+    GSList *list, *item;
+
+    list = qdev_build_hotpluggable_device_list(peripheral);
+    if (!list) {
+        return;
+    }
+
+    for (item = list; item; item = g_slist_next(item)) {
+        DeviceState *dev = item->data;
+
+        if (dev->id) {
+            readline_add_completion_of(rs, str, dev->id);
+        }
+    }
+
+    g_slist_free(list);
+}
+
+void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
+{
+    if (nb_args != 2) {
+        return;
+    }
+
+    readline_set_completion_index(rs, strlen(str));
+    peripheral_device_del_completion(rs, str);
+}
+
 BlockBackend *blk_by_qdev_id(const char *id, Error **errp)
 {
     DeviceState *dev;