tests/x86: add helper qtest_qmp_device_del_send()

Move sending 'device_del' command to separate function.
Function can be used in case of addition action is needed to start
actual removing device after sending command.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-2-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Fixed typo]
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/qtest/device-plug-test.c

@@ -15,17 +15,6 @@
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qstring.h"
 
-static void device_del(QTestState *qtest, const char *id)
-{
-    QDict *resp;
-
-    resp = qtest_qmp(qtest,
-                     "{'execute': 'device_del', 'arguments': { 'id': %s } }", id);
-
-    g_assert(qdict_haskey(resp, "return"));
-    qobject_unref(resp);
-}
-
 static void system_reset(QTestState *qtest)
 {
     QDict *resp;
@@ -68,7 +57,7 @@ static void process_device_remove(QTestState *qtest, const char *id)
      * be processed. However during system reset, the removal will be
      * handled, removing the device.
      */
-    device_del(qtest, id);
+    qtest_qmp_device_del_send(qtest, id);
     system_reset(qtest);
     wait_device_deleted_event(qtest, id);
 }
@@ -112,7 +101,7 @@ static void test_ccw_unplug(void)
 {
     QTestState *qtest = qtest_initf("-device virtio-balloon-ccw,id=dev0");
 
-    device_del(qtest, "dev0");
+    qtest_qmp_device_del_send(qtest, "dev0");
     wait_device_deleted_event(qtest, "dev0");
 
     qtest_quit(qtest);

tests/qtest/drive_del-test.c

@@ -143,11 +143,7 @@ static void device_del(QTestState *qts, bool and_reset)
 {
     QDict *response;
 
-    response = qtest_qmp(qts, "{'execute': 'device_del',"
+    qtest_qmp_device_del_send(qts, "dev0");
-                         " 'arguments': { 'id': 'dev0' } }");
-    g_assert(response);
-    g_assert(qdict_haskey(response, "return"));
-    qobject_unref(response);
 
     if (and_reset) {
         response = qtest_qmp(qts, "{'execute': 'system_reset' }");

tests/qtest/libqos/pci-pc.c

@@ -179,13 +179,7 @@ void qpci_free_pc(QPCIBus *bus)
 
 void qpci_unplug_acpi_device_test(QTestState *qts, const char *id, uint8_t slot)
 {
-    QDict *response;
+    qtest_qmp_device_del_send(qts, id);
-
-    response = qtest_qmp(qts, "{'execute': 'device_del',"
-                              " 'arguments': {'id': %s}}", id);
-    g_assert(response);
-    g_assert(!qdict_haskey(response, "error"));
-    qobject_unref(response);
 
     qtest_outl(qts, ACPI_PCIHP_ADDR + PCI_EJ_BASE, 1 << slot);
 

tests/qtest/libqtest.c

@@ -1371,15 +1371,19 @@ void qtest_qmp_add_client(QTestState *qts, const char *protocol, int fd)
  *
  * {"return": {}}
  */
+void qtest_qmp_device_del_send(QTestState *qts, const char *id)
+{
+    QDict *rsp = qtest_qmp(qts, "{'execute': 'device_del', "
+                                "'arguments': {'id': %s}}", id);
+    g_assert(rsp);
+    g_assert(qdict_haskey(rsp, "return"));
+    g_assert(!qdict_haskey(rsp, "error"));
+    qobject_unref(rsp);
+}
+
 void qtest_qmp_device_del(QTestState *qts, const char *id)
 {
-    QDict *rsp;
+    qtest_qmp_device_del_send(qts, id);
-
-    rsp = qtest_qmp(qts, "{'execute': 'device_del', 'arguments': {'id': %s}}",
-                    id);
-
-    g_assert(qdict_haskey(rsp, "return"));
-    qobject_unref(rsp);
     qtest_qmp_eventwait(qts, "DEVICE_DELETED");
 }
 

tests/qtest/libqtest.h

@@ -761,12 +761,22 @@ void qtest_qmp_device_add(QTestState *qts, const char *driver, const char *id,
 void qtest_qmp_add_client(QTestState *qts, const char *protocol, int fd);
 #endif /* _WIN32 */
 
+/**
+ * qtest_qmp_device_del_send:
+ * @qts: QTestState instance to operate on
+ * @id: Identification string
+ *
+ * Generic hot-unplugging test via the device_del QMP command.
+ */
+void qtest_qmp_device_del_send(QTestState *qts, const char *id);
+
 /**
  * qtest_qmp_device_del:
  * @qts: QTestState instance to operate on
  * @id: Identification string
  *
  * Generic hot-unplugging test via the device_del QMP command.
+ * Waiting for command completion event.
  */
 void qtest_qmp_device_del(QTestState *qts, const char *id);