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 <glib.h>
  15 #include <string.h>
  16 #include "libqtest.h"
  17 #include "qemu/osdep.h"
  18 #include "hw/usb/uhci-regs.h"
  19 #include "libqos/usb.h"
  20
  21 void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, uint32_t devfn, int bar)
  22 {
  23     hc->dev = qpci_device_find(pcibus, devfn);
  24     g_assert(hc->dev != NULL);
  25     qpci_device_enable(hc->dev);
  26     hc->base = qpci_iomap(hc->dev, bar, NULL);
  27     g_assert(hc->base != NULL);
  28 }
  29
  30 void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
  31 {
  32     void *addr = hc->base + 0x10 + 2 * port;
  33     uint16_t value = qpci_io_readw(hc->dev, addr);
  34     uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
  35
  36     g_assert((value & mask) == (expect & mask));
  37 }
  38
  39 void usb_test_hotplug(const char *hcd_id, const int port,
  40                       void (*port_check)(void))
  41 {
  42     QDict *response;
  43     char  *cmd;
  44
  45     cmd = g_strdup_printf("{'execute': 'device_add',"
  46                           " 'arguments': {"
  47                           "   'driver': 'usb-tablet',"
  48                           "   'port': '%d',"
  49                           "   'bus': '%s.0',"
  50                           "   'id': 'usbdev%d'"
  51                           "}}", port, hcd_id, port);
  52     response = qmp(cmd);
  53     g_free(cmd);
  54     g_assert(response);
  55     g_assert(!qdict_haskey(response, "error"));
  56     QDECREF(response);
  57
  58     if (port_check) {
  59         port_check();
  60     }
  61
  62     cmd = g_strdup_printf("{'execute': 'device_del',"
  63                            " 'arguments': {"
  64                            "   'id': 'usbdev%d'"
  65                            "}}", port);
  66     response = qmp(cmd);
  67     g_free(cmd);
  68     g_assert(response);
  69     g_assert(qdict_haskey(response, "event"));
  70     g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
  71 }