LXR qemu/tests/libqos/usb.c

   1/*
   2 * common code shared by usb tests
   3 *
   4 * Copyright (c) 2014 Red Hat, Inc
   5 *
   6 * Authors:
   7 *     Gerd Hoffmann <kraxel@redhat.com>
   8 *     John Snow <jsnow@redhat.com>
   9 *     Igor Mammedov <imammedo@redhat.com>
  10 *
  11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  12 * See the COPYING file in the top-level directory.
  13 */
  14#include "qemu/osdep.h"
  15#include <glib.h>
  16#include "libqtest.h"
  17#include "hw/usb/uhci-regs.h"
  18#include "libqos/usb.h"
  19
  20void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, uint32_t devfn, int bar)
  21{
  22    hc->dev = qpci_device_find(pcibus, devfn);
  23    g_assert(hc->dev != NULL);
  24    qpci_device_enable(hc->dev);
  25    hc->base = qpci_iomap(hc->dev, bar, NULL);
  26    g_assert(hc->base != NULL);
  27}
  28
  29void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
  30{
  31    void *addr = hc->base + 0x10 + 2 * port;
  32    uint16_t value = qpci_io_readw(hc->dev, addr);
  33    uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
  34
  35    g_assert((value & mask) == (expect & mask));
  36}
  37
  38void usb_test_hotplug(const char *hcd_id, const int port,
  39                      void (*port_check)(void))
  40{
  41    QDict *response;
  42    char  *cmd;
  43
  44    cmd = g_strdup_printf("{'execute': 'device_add',"
  45                          " 'arguments': {"
  46                          "   'driver': 'usb-tablet',"
  47                          "   'port': '%d',"
  48                          "   'bus': '%s.0',"
  49                          "   'id': 'usbdev%d'"
  50                          "}}", port, hcd_id, port);
  51    response = qmp(cmd);
  52    g_free(cmd);
  53    g_assert(response);
  54    g_assert(!qdict_haskey(response, "error"));
  55    QDECREF(response);
  56
  57    if (port_check) {
  58        port_check();
  59    }
  60
  61    cmd = g_strdup_printf("{'execute': 'device_del',"
  62                           " 'arguments': {"
  63                           "   'id': 'usbdev%d'"
  64                           "}}", port);
  65    response = qmp(cmd);
  66    g_free(cmd);
  67    g_assert(response);
  68    g_assert(qdict_haskey(response, "event"));
  69    g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
  70}
  71