block: Factor out hmp_change_medium(), and move to block/monitor/

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-13-armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
index 0ff7c84..ae624ab 100644
--- a/block/monitor/block-hmp-cmds.c
+++ b/block/monitor/block-hmp-cmds.c
@@ -1005,3 +1005,24 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
     g_free(sn_tab);
     g_free(global_snapshots);
 }
+
+void hmp_change_medium(Monitor *mon, const char *device, const char *target,
+                       const char *arg, const char *read_only, bool force,
+                       Error **errp)
+{
+    ERRP_GUARD();
+    BlockdevChangeReadOnlyMode read_only_mode = 0;
+
+    if (read_only) {
+        read_only_mode =
+            qapi_enum_parse(&BlockdevChangeReadOnlyMode_lookup,
+                            read_only,
+                            BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN, errp);
+        if (*errp) {
+            return;
+        }
+    }
+
+    qmp_blockdev_change_medium(device, NULL, target, arg, true, force,
+                               !!read_only, read_only_mode, errp);
+}