LXR qemu/tests/usb-hcd-ehci-test.c

   1/*
   2 * QTest testcase for USB EHCI
   3 *
   4 * Copyright (c) 2014 SUSE LINUX Products GmbH
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7 * See the COPYING file in the top-level directory.
   8 */
   9
  10#include "qemu/osdep.h"
  11#include "libqtest.h"
  12#include "libqos/pci-pc.h"
  13#include "hw/usb/uhci-regs.h"
  14#include "hw/usb/ehci-regs.h"
  15#include "libqos/usb.h"
  16
  17static QPCIBus *pcibus;
  18static struct qhc uhci1;
  19static struct qhc uhci2;
  20static struct qhc uhci3;
  21static struct qhc ehci1;
  22
  23/* helpers */
  24
  25#if 0
  26static void uhci_port_update(struct qhc *hc, int port,
  27                             uint16_t set, uint16_t clear)
  28{
  29    void *addr = hc->base + 0x10 + 2 * port;
  30    uint16_t value;
  31
  32    value = qpci_io_readw(hc->dev, addr);
  33    value |= set;
  34    value &= ~clear;
  35    qpci_io_writew(hc->dev, addr, value);
  36}
  37#endif
  38
  39static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
  40{
  41    uint32_t value = qpci_io_readl(hc->dev, hc->bar, 0x64 + 4 * port);
  42    uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
  43
  44#if 0
  45    fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
  46            __func__, port, value & mask, expect & mask);
  47#endif
  48    g_assert((value & mask) == (expect & mask));
  49}
  50
  51/* tests */
  52
  53static void test_init(void)
  54{
  55    pcibus = qpci_init_pc(NULL);
  56    g_assert(pcibus != NULL);
  57
  58    qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
  59    qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
  60    qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
  61    qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
  62}
  63
  64static void test_deinit(void)
  65{
  66    uhci_deinit(&uhci1);
  67    uhci_deinit(&uhci2);
  68    uhci_deinit(&uhci3);
  69    uhci_deinit(&ehci1);
  70    qpci_free_pc(pcibus);
  71}
  72
  73static void pci_uhci_port_1(void)
  74{
  75    g_assert(pcibus != NULL);
  76
  77    uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet  */
  78    uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
  79    uhci_port_test(&uhci2, 0, 0);
  80    uhci_port_test(&uhci2, 1, 0);
  81    uhci_port_test(&uhci3, 0, 0);
  82    uhci_port_test(&uhci3, 1, 0);
  83}
  84
  85static void pci_ehci_port_1(void)
  86{
  87    int i;
  88
  89    g_assert(pcibus != NULL);
  90
  91    for (i = 0; i < 6; i++) {
  92        ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
  93    }
  94}
  95
  96static void pci_ehci_config(void)
  97{
  98    /* hands over all ports from companion uhci to ehci */
  99    qpci_io_writew(ehci1.dev, ehci1.bar, 0x60, 1);
 100}
 101
 102static void pci_uhci_port_2(void)
 103{
 104    g_assert(pcibus != NULL);
 105
 106    uhci_port_test(&uhci1, 0, 0); /* usb-tablet,  @ehci */
 107    uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
 108    uhci_port_test(&uhci2, 0, 0);
 109    uhci_port_test(&uhci2, 1, 0);
 110    uhci_port_test(&uhci3, 0, 0);
 111    uhci_port_test(&uhci3, 1, 0);
 112}
 113
 114static void pci_ehci_port_2(void)
 115{
 116    static uint32_t expect[] = {
 117        PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet  */
 118        PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
 119        PORTSC_PPOWER,
 120        PORTSC_PPOWER,
 121        PORTSC_PPOWER,
 122        PORTSC_PPOWER,
 123    };
 124    int i;
 125
 126    g_assert(pcibus != NULL);
 127
 128    for (i = 0; i < 6; i++) {
 129        ehci_port_test(&ehci1, i, expect[i]);
 130    }
 131}
 132
 133static void pci_ehci_port_3_hotplug(void)
 134{
 135    /* check for presence of hotplugged usb-tablet */
 136    g_assert(pcibus != NULL);
 137    ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
 138}
 139
 140static void pci_ehci_port_hotplug(void)
 141{
 142    usb_test_hotplug("ich9-ehci-1", 3, pci_ehci_port_3_hotplug);
 143}
 144
 145
 146int main(int argc, char **argv)
 147{
 148    int ret;
 149
 150    g_test_init(&argc, &argv, NULL);
 151
 152    qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
 153    qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
 154    qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
 155    qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
 156    qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
 157    qtest_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
 158
 159    qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
 160                "multifunction=on,id=ich9-ehci-1 "
 161                "-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
 162                "multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
 163                "-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
 164                "multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
 165                "-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
 166                "multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
 167                "-drive if=none,id=usbcdrom,media=cdrom "
 168                "-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
 169                "-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
 170
 171    test_init();
 172    ret = g_test_run();
 173    test_deinit();
 174
 175    qtest_end();
 176
 177    return ret;
 178}
 179