1 files changed, 71 insertions, 0 deletions
diff --git a/tests/libqos/usb.c b/tests/libqos/usb.c
new file mode 100644
index 00000000..41d89b84
--- /dev/null
+++ b/tests/libqos/usb.c
@@ -0,0 +1,71 @@
+/*
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.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->base = qpci_iomap(hc->dev, bar, NULL);
+    g_assert(hc->base != NULL);
+}
+
+void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
+{
+    void *addr = hc->base + 0x10 + 2 * port;
+    uint16_t value = qpci_io_readw(hc->dev, addr);
+    uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
+
+    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"));
+}