tests: usb: Generic usb device hotplug

use usb-tablet as a hotplugged usb device.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

tests/Makefile

@@ -344,10 +344,10 @@ tests/ac97-test$(EXESUF): tests/ac97-test.o
 tests/es1370-test$(EXESUF): tests/es1370-test.o
 tests/intel-hda-test$(EXESUF): tests/intel-hda-test.o
 tests/ioh3420-test$(EXESUF): tests/ioh3420-test.o
-tests/usb-hcd-ohci-test$(EXESUF): tests/usb-hcd-ohci-test.o
+tests/usb-hcd-ohci-test$(EXESUF): tests/usb-hcd-ohci-test.o $(libqos-usb-obj-y)
 tests/usb-hcd-uhci-test$(EXESUF): tests/usb-hcd-uhci-test.o $(libqos-usb-obj-y)
 tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o $(libqos-usb-obj-y)
-tests/usb-hcd-xhci-test$(EXESUF): tests/usb-hcd-xhci-test.o
+tests/usb-hcd-xhci-test$(EXESUF): tests/usb-hcd-xhci-test.o $(libqos-usb-obj-y)
 tests/vhost-user-test$(EXESUF): tests/vhost-user-test.o qemu-char.o qemu-timer.o $(qtest-obj-y)
 tests/qemu-iotests/socket_scm_helper$(EXESUF): tests/qemu-iotests/socket_scm_helper.o
 tests/test-qemu-opts$(EXESUF): tests/test-qemu-opts.o libqemuutil.a libqemustub.a

tests/libqos/usb.c

@@ -35,3 +35,37 @@ void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
 
     g_assert((value & mask) == (expect & mask));
 }
+
+void usb_test_hotplug(const char *hcd_id, const int port,
+                      void (*port_check)(void))
+{
+    QDict *response;
+    char  *cmd;
+
+    cmd = g_strdup_printf("{'execute': 'device_add',"
+                          " 'arguments': {"
+                          "   'driver': 'usb-tablet',"
+                          "   'port': '%d',"
+                          "   'bus': '%s.0',"
+                          "   'id': 'usbdev%d'"
+                          "}}", port, hcd_id, port);
+    response = qmp(cmd);
+    g_free(cmd);
+    g_assert(response);
+    g_assert(!qdict_haskey(response, "error"));
+    QDECREF(response);
+
+    if (port_check) {
+        port_check();
+    }
+
+    cmd = g_strdup_printf("{'execute': 'device_del',"
+                           " 'arguments': {"
+                           "   'id': 'usbdev%d'"
+                           "}}", port);
+    response = qmp(cmd);
+    g_free(cmd);
+    g_assert(response);
+    g_assert(qdict_haskey(response, "event"));
+    g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
+}

tests/libqos/usb.h

@@ -11,4 +11,7 @@ struct qhc {
 void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc,
                        uint32_t devfn, int bar);
 void uhci_port_test(struct qhc *hc, int port, uint16_t expect);
+
+void usb_test_hotplug(const char *bus_name, const int port,
+                      void (*port_check)(void));
 #endif

tests/usb-hcd-ehci-test.c

@@ -128,6 +128,19 @@ static void pci_ehci_port_2(void)
     }
 }
 
+static void pci_ehci_port_3_hotplug(void)
+{
+    /* check for presence of hotplugged usb-tablet */
+    g_assert(pcibus != NULL);
+    ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
+}
+
+static void pci_ehci_port_hotplug(void)
+{
+    usb_test_hotplug("ich9-ehci-1", 3, pci_ehci_port_3_hotplug);
+}
+
+
 int main(int argc, char **argv)
 {
     int ret;
@@ -139,6 +152,7 @@ int main(int argc, char **argv)
     qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
     qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
     qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
+    qtest_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
 
     qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
                 "multifunction=on,id=ich9-ehci-1 "

tests/usb-hcd-ohci-test.c

@@ -11,15 +11,18 @@
 #include <string.h>
 #include "libqtest.h"
 #include "qemu/osdep.h"
+#include "libqos/usb.h"
 
 
 static void test_ohci_init(void)
 {
-    qtest_start("-device pci-ohci,id=ohci");
 
-    qtest_end();
 }
 
+static void test_ohci_hotplug(void)
+{
+    usb_test_hotplug("ohci", 1, NULL);
+}
 
 int main(int argc, char **argv)
 {
@@ -28,8 +31,11 @@ int main(int argc, char **argv)
     g_test_init(&argc, &argv, NULL);
 
     qtest_add_func("/ohci/pci/init", test_ohci_init);
+    qtest_add_func("/ohci/pci/hotplug", test_ohci_hotplug);
 
+    qtest_start("-device pci-ohci,id=ohci");
     ret = g_test_run();
+    qtest_end();
 
     return ret;
 }

tests/usb-hcd-uhci-test.c

@@ -19,17 +19,32 @@ static void test_uhci_init(void)
 {
 }
 
-static void test_port_1(void)
+static void test_port(int port)
 {
     QPCIBus *pcibus;
     struct qhc uhci;
 
+    g_assert(port > 0);
     pcibus = qpci_init_pc();
     g_assert(pcibus != NULL);
     qusb_pci_init_one(pcibus, &uhci, QPCI_DEVFN(0x1d, 0), 4);
-    uhci_port_test(&uhci, 0, UHCI_PORT_CCS);
+    uhci_port_test(&uhci, port - 1, UHCI_PORT_CCS);
 }
 
+static void test_port_1(void)
+{
+    test_port(1);
+}
+
+static void test_port_2(void)
+{
+    test_port(2);
+}
+
+static void test_uhci_hotplug(void)
+{
+    usb_test_hotplug("uhci", 2, test_port_2);
+}
 
 int main(int argc, char **argv)
 {
@@ -39,6 +54,7 @@ int main(int argc, char **argv)
 
     qtest_add_func("/uhci/pci/init", test_uhci_init);
     qtest_add_func("/uhci/pci/port1", test_port_1);
+    qtest_add_func("/uhci/pci/hotplug", test_uhci_hotplug);
 
     qtest_start("-device piix3-usb-uhci,id=uhci,addr=1d.0"
                 " -device usb-tablet,bus=uhci.0,port=1");

tests/usb-hcd-xhci-test.c

@@ -11,15 +11,17 @@
 #include <string.h>
 #include "libqtest.h"
 #include "qemu/osdep.h"
+#include "libqos/usb.h"
 
 
 static void test_xhci_init(void)
 {
-    qtest_start("-device nec-usb-xhci,id=xhci");
-
-    qtest_end();
 }
 
+static void test_xhci_hotplug(void)
+{
+    usb_test_hotplug("xhci", 1, NULL);
+}
 
 int main(int argc, char **argv)
 {
@@ -28,8 +30,11 @@ int main(int argc, char **argv)
     g_test_init(&argc, &argv, NULL);
 
     qtest_add_func("/xhci/pci/init", test_xhci_init);
+    qtest_add_func("/xhci/pci/hotplug", test_xhci_hotplug);
 
+    qtest_start("-device nec-usb-xhci,id=xhci");
     ret = g_test_run();
+    qtest_end();
 
     return ret;
 }