qom: Move HMP command handlers to qom/

Move the HMP command handlers related to QOM handlers from
monitor/hmp-cmds.c and qdev-monitor.c to new qom/qom-hmp-cmds.c, where
they are covered by MAINTAINERS section QOM.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190619201050.19040-7-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
[Also move hmp_info_qom_tree(), tweak commit message accordingly]

include/monitor/hmp.h

@@ -16,6 +16,8 @@
 
 #include "qemu/readline.h"
 
+void hmp_handle_error(Monitor *mon, Error **errp);
+
 void hmp_info_name(Monitor *mon, const QDict *qdict);
 void hmp_info_version(Monitor *mon, const QDict *qdict);
 void hmp_info_kvm(Monitor *mon, const QDict *qdict);
@@ -118,6 +120,7 @@ void hmp_info_memdev(Monitor *mon, const QDict *qdict);
 void hmp_info_memory_devices(Monitor *mon, const QDict *qdict);
 void hmp_qom_list(Monitor *mon, const QDict *qdict);
 void hmp_qom_set(Monitor *mon, const QDict *qdict);
+void hmp_info_qom_tree(Monitor *mon, const QDict *dict);
 void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
 void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
 void device_add_completion(ReadLineState *rs, int nb_args, const char *str);

include/monitor/qdev.h

@@ -7,7 +7,6 @@
 
 void hmp_info_qtree(Monitor *mon, const QDict *qdict);
 void hmp_info_qdm(Monitor *mon, const QDict *qdict);
-void hmp_info_qom_tree(Monitor *mon, const QDict *dict);
 void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp);
 
 int qdev_device_help(QemuOpts *opts);

monitor/hmp-cmds.c

@@ -60,7 +60,7 @@
 #include <spice/enums.h>
 #endif
 
-static void hmp_handle_error(Monitor *mon, Error **errp)
+void hmp_handle_error(Monitor *mon, Error **errp)
 {
     assert(errp);
     if (*errp) {
@@ -2714,54 +2714,6 @@ void hmp_info_iothreads(Monitor *mon, const QDict *qdict)
     qapi_free_IOThreadInfoList(info_list);
 }
 
-void hmp_qom_list(Monitor *mon, const QDict *qdict)
-{
-    const char *path = qdict_get_try_str(qdict, "path");
-    ObjectPropertyInfoList *list;
-    Error *err = NULL;
-
-    if (path == NULL) {
-        monitor_printf(mon, "/\n");
-        return;
-    }
-
-    list = qmp_qom_list(path, &err);
-    if (err == NULL) {
-        ObjectPropertyInfoList *start = list;
-        while (list != NULL) {
-            ObjectPropertyInfo *value = list->value;
-
-            monitor_printf(mon, "%s (%s)\n",
-                           value->name, value->type);
-            list = list->next;
-        }
-        qapi_free_ObjectPropertyInfoList(start);
-    }
-    hmp_handle_error(mon, &err);
-}
-
-void hmp_qom_set(Monitor *mon, const QDict *qdict)
-{
-    const char *path = qdict_get_str(qdict, "path");
-    const char *property = qdict_get_str(qdict, "property");
-    const char *value = qdict_get_str(qdict, "value");
-    Error *err = NULL;
-    bool ambiguous = false;
-    Object *obj;
-
-    obj = object_resolve_path(path, &ambiguous);
-    if (obj == NULL) {
-        error_set(&err, ERROR_CLASS_DEVICE_NOT_FOUND,
-                  "Device '%s' not found", path);
-    } else {
-        if (ambiguous) {
-            monitor_printf(mon, "Warning: Path '%s' is ambiguous\n", path);
-        }
-        object_property_parse(obj, value, property, &err);
-    }
-    hmp_handle_error(mon, &err);
-}
-
 void hmp_rocker(Monitor *mon, const QDict *qdict)
 {
     const char *name = qdict_get_str(qdict, "name");

qdev-monitor.c

@@ -739,63 +739,6 @@ void hmp_info_qdm(Monitor *mon, const QDict *qdict)
     qdev_print_devinfos(true);
 }
 
-typedef struct QOMCompositionState {
-    Monitor *mon;
-    int indent;
-} QOMCompositionState;
-
-static void print_qom_composition(Monitor *mon, Object *obj, int indent);
-
-static int print_qom_composition_child(Object *obj, void *opaque)
-{
-    QOMCompositionState *s = opaque;
-
-    print_qom_composition(s->mon, obj, s->indent);
-
-    return 0;
-}
-
-static void print_qom_composition(Monitor *mon, Object *obj, int indent)
-{
-    QOMCompositionState s = {
-        .mon = mon,
-        .indent = indent + 2,
-    };
-    char *name;
-
-    if (obj == object_get_root()) {
-        name = g_strdup("");
-    } else {
-        name = object_get_canonical_path_component(obj);
-    }
-    monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name,
-                   object_get_typename(obj));
-    g_free(name);
-    object_child_foreach(obj, print_qom_composition_child, &s);
-}
-
-void hmp_info_qom_tree(Monitor *mon, const QDict *dict)
-{
-    const char *path = qdict_get_try_str(dict, "path");
-    Object *obj;
-    bool ambiguous = false;
-
-    if (path) {
-        obj = object_resolve_path(path, &ambiguous);
-        if (!obj) {
-            monitor_printf(mon, "Path '%s' could not be resolved.\n", path);
-            return;
-        }
-        if (ambiguous) {
-            monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path);
-            return;
-        }
-    } else {
-        obj = qdev_get_machine();
-    }
-    print_qom_composition(mon, obj, 0);
-}
-
 void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
 {
     Error *local_err = NULL;

qom/Makefile.objs

@@ -2,4 +2,4 @@ qom-obj-y = object.o container.o qom-qobject.o
 qom-obj-y += object_interfaces.o
 
 common-obj-y = cpu.o
-common-obj-$(CONFIG_SOFTMMU) += qom-qmp-cmds.o
+common-obj-$(CONFIG_SOFTMMU) += qom-hmp-cmds.o qom-qmp-cmds.o

qom/qom-hmp-cmds.c

@@ -0,0 +1,120 @@
+/*
+ * HMP commands related to QOM
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later.  See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/qdev-core.h"
+#include "monitor/hmp.h"
+#include "monitor/monitor.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-qom.h"
+#include "qapi/qmp/qdict.h"
+#include "qom/object.h"
+
+void hmp_qom_list(Monitor *mon, const QDict *qdict)
+{
+    const char *path = qdict_get_try_str(qdict, "path");
+    ObjectPropertyInfoList *list;
+    Error *err = NULL;
+
+    if (path == NULL) {
+        monitor_printf(mon, "/\n");
+        return;
+    }
+
+    list = qmp_qom_list(path, &err);
+    if (err == NULL) {
+        ObjectPropertyInfoList *start = list;
+        while (list != NULL) {
+            ObjectPropertyInfo *value = list->value;
+
+            monitor_printf(mon, "%s (%s)\n",
+                           value->name, value->type);
+            list = list->next;
+        }
+        qapi_free_ObjectPropertyInfoList(start);
+    }
+    hmp_handle_error(mon, &err);
+}
+
+void hmp_qom_set(Monitor *mon, const QDict *qdict)
+{
+    const char *path = qdict_get_str(qdict, "path");
+    const char *property = qdict_get_str(qdict, "property");
+    const char *value = qdict_get_str(qdict, "value");
+    Error *err = NULL;
+    bool ambiguous = false;
+    Object *obj;
+
+    obj = object_resolve_path(path, &ambiguous);
+    if (obj == NULL) {
+        error_set(&err, ERROR_CLASS_DEVICE_NOT_FOUND,
+                  "Device '%s' not found", path);
+    } else {
+        if (ambiguous) {
+            monitor_printf(mon, "Warning: Path '%s' is ambiguous\n", path);
+        }
+        object_property_parse(obj, value, property, &err);
+    }
+    hmp_handle_error(mon, &err);
+}
+
+typedef struct QOMCompositionState {
+    Monitor *mon;
+    int indent;
+} QOMCompositionState;
+
+static void print_qom_composition(Monitor *mon, Object *obj, int indent);
+
+static int print_qom_composition_child(Object *obj, void *opaque)
+{
+    QOMCompositionState *s = opaque;
+
+    print_qom_composition(s->mon, obj, s->indent);
+
+    return 0;
+}
+
+static void print_qom_composition(Monitor *mon, Object *obj, int indent)
+{
+    QOMCompositionState s = {
+        .mon = mon,
+        .indent = indent + 2,
+    };
+    char *name;
+
+    if (obj == object_get_root()) {
+        name = g_strdup("");
+    } else {
+        name = object_get_canonical_path_component(obj);
+    }
+    monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name,
+                   object_get_typename(obj));
+    g_free(name);
+    object_child_foreach(obj, print_qom_composition_child, &s);
+}
+
+void hmp_info_qom_tree(Monitor *mon, const QDict *dict)
+{
+    const char *path = qdict_get_try_str(dict, "path");
+    Object *obj;
+    bool ambiguous = false;
+
+    if (path) {
+        obj = object_resolve_path(path, &ambiguous);
+        if (!obj) {
+            monitor_printf(mon, "Path '%s' could not be resolved.\n", path);
+            return;
+        }
+        if (ambiguous) {
+            monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path);
+            return;
+        }
+    } else {
+        obj = qdev_get_machine();
+    }
+    print_qom_composition(mon, obj, 0);
+}