qemu: monitor: Add monitor API for device_add supporting JSON objects

Rather than formatting a string and splitting it back to a JSON object
add API that will take a JSON object directly.

src/qemu/qemu_monitor.c

@@ -2770,6 +2770,24 @@ qemuMonitorAddDevice(qemuMonitorPtr mon,
 }
 
 
+/**
+ * qemuMonitorAddDeviceArgs:
+ * @mon: monitor object
+ * @args: arguments for device add, consumed on success or failure
+ *
+ * Adds a device described by @args. Requires JSON monitor.
+ * Returns 0 on success -1 on error.
+ */
+int
+qemuMonitorAddDeviceArgs(qemuMonitorPtr mon,
+                         virJSONValuePtr args)
+{
+    QEMU_CHECK_MONITOR_JSON(mon);
+
+    return qemuMonitorJSONAddDeviceArgs(mon, args);
+}
+
+
 /**
  * qemuMonitorAddObject:
  * @mon: Pointer to monitor object

src/qemu/qemu_monitor.h

@@ -685,6 +685,8 @@ int qemuMonitorAttachPCIDiskController(qemuMonitorPtr mon,
                                        const char *bus,
                                        virPCIDeviceAddress *guestAddr);
 
+int qemuMonitorAddDeviceArgs(qemuMonitorPtr mon,
+                             virJSONValuePtr args);
 int qemuMonitorAddDevice(qemuMonitorPtr mon,
                          const char *devicestr);
 

src/qemu/qemu_monitor_json.c

@@ -3583,20 +3583,15 @@ int qemuMonitorJSONDelDevice(qemuMonitorPtr mon,
 }
 
 
-int qemuMonitorJSONAddDevice(qemuMonitorPtr mon,
-                             const char *devicestr)
+int
+qemuMonitorJSONAddDeviceArgs(qemuMonitorPtr mon,
+                             virJSONValuePtr args)
 {
     int ret = -1;
-    virJSONValuePtr cmd;
+    virJSONValuePtr cmd = NULL;
     virJSONValuePtr reply = NULL;
-    virJSONValuePtr args;
 
-    cmd = qemuMonitorJSONMakeCommand("device_add", NULL);
-    if (!cmd)
-        return -1;
-
-    args = qemuMonitorJSONKeywordStringToJSON(devicestr, "driver");
-    if (!args)
+    if (!(cmd = qemuMonitorJSONMakeCommand("device_add", NULL)))
         goto cleanup;
 
     if (virJSONValueObjectAppend(cmd, "arguments", args) < 0)
@@ -3618,6 +3613,19 @@ int qemuMonitorJSONAddDevice(qemuMonitorPtr mon,
 }
 
 
+int
+qemuMonitorJSONAddDevice(qemuMonitorPtr mon,
+                         const char *devicestr)
+{
+    virJSONValuePtr args;
+
+    if (!(args = qemuMonitorJSONKeywordStringToJSON(devicestr, "driver")))
+        return -1;
+
+    return qemuMonitorJSONAddDeviceArgs(mon, args);
+}
+
+
 int qemuMonitorJSONAddObject(qemuMonitorPtr mon,
                              const char *type,
                              const char *objalias,

src/qemu/qemu_monitor_json.h

@@ -215,6 +215,8 @@ int qemuMonitorJSONAttachPCIDiskController(qemuMonitorPtr mon,
                                            const char *bus,
                                            virPCIDeviceAddress *guestAddr);
 
+int qemuMonitorJSONAddDeviceArgs(qemuMonitorPtr mon,
+                                 virJSONValuePtr args);
 int qemuMonitorJSONAddDevice(qemuMonitorPtr mon,
                              const char *devicestr);