1 files changed, 57 insertions, 0 deletions
diff --git a/tests/qtest/libqos/usb.c b/tests/qtest/libqos/usb.c
new file mode 100644
index 0000000000..d7a9cb3c72
--- /dev/null
+++ b/tests/qtest/libqos/usb.c
@@ -0,0 +1,57 @@
+/*
+ * common code shared by usb tests
+ *
+ * Copyright (c) 2014 Red Hat, Inc
+ *
+ * Authors:
+ *     Gerd Hoffmann <kraxel@redhat.com>
+ *     John Snow <jsnow@redhat.com>
+ *     Igor Mammedov <imammedo@redhat.com>
+ *
+ * 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 "libqtest.h"
+#include "hw/usb/uhci-regs.h"
+#include "libqos/usb.h"
+
+void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, uint32_t devfn, int bar)
+{
+    hc->dev = qpci_device_find(pcibus, devfn);
+    g_assert(hc->dev != NULL);
+    qpci_device_enable(hc->dev);
+    hc->bar = qpci_iomap(hc->dev, bar, NULL);
+}
+
+void uhci_deinit(struct qhc *hc)
+{
+    g_free(hc->dev);
+}
+
+void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
+{
+    uint16_t value = qpci_io_readw(hc->dev, hc->bar, 0x10 + 2 * port);
+    uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
+
+    g_assert((value & mask) == (expect & mask));
+}
+
+void usb_test_hotplug(QTestState *qts, const char *hcd_id, const char *port,
+                      void (*port_check)(void))
+{
+    char *id = g_strdup_printf("usbdev%s", port);
+    char *bus = g_strdup_printf("%s.0", hcd_id);
+
+    qtest_qmp_device_add(qts, "usb-tablet", id, "{'port': %s, 'bus': %s}",
+                         port, bus);
+
+    if (port_check) {
+        port_check();
+    }
+
+    qtest_qmp_device_del(qts, id);
+
+    g_free(bus);
+    g_free(id);
+}