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    void *addr = hc->base + 0x64 + 4 * port;
  42    uint32_t value = qpci_io_readl(hc->dev, addr);
  43    uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
  44
  45#if 0
  46    fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
  47            __func__, port, value & mask, expect & mask);
  48#endif
  49    g_assert((value & mask) == (expect & mask));
  50}
  51
  52/* tests */
  53
  54static void pci_init(void)
  55{
  56    if (pcibus) {
  57        return;
  58    }
  59    pcibus = qpci_init_pc();
  60    g_assert(pcibus != NULL);
  61
  62    qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
  63    qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
  64    qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
  65    qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
  66}
  67
  68static void pci_uhci_port_1(void)
  69{
  70    g_assert(pcibus != NULL);
  71
  72    uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet  */
  73    uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
  74    uhci_port_test(&uhci2, 0, 0);
  75    uhci_port_test(&uhci2, 1, 0);
  76    uhci_port_test(&uhci3, 0, 0);
  77    uhci_port_test(&uhci3, 1, 0);
  78}
  79
  80static void pci_ehci_port_1(void)
  81{
  82    int i;
  83
  84    g_assert(pcibus != NULL);
  85
  86    for (i = 0; i < 6; i++) {
  87        ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
  88    }
  89}
  90
  91static void pci_ehci_config(void)
  92{
  93    /* hands over all ports from companion uhci to ehci */
  94    qpci_io_writew(ehci1.dev, ehci1.base + 0x60, 1);
  95}
  96
  97static void pci_uhci_port_2(void)
  98{
  99    g_assert(pcibus != NULL);
 100
 101    uhci_port_test(&uhci1, 0, 0); /* usb-tablet,  @ehci */
 102    uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
 103    uhci_port_test(&uhci2, 0, 0);
 104    uhci_port_test(&uhci2, 1, 0);
 105    uhci_port_test(&uhci3, 0, 0);
 106    uhci_port_test(&uhci3, 1, 0);
 107}
 108
 109static void pci_ehci_port_2(void)
 110{
 111    static uint32_t expect[] = {
 112        PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet  */
 113        PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
 114        PORTSC_PPOWER,
 115        PORTSC_PPOWER,
 116        PORTSC_PPOWER,
 117        PORTSC_PPOWER,
 118    };
 119    int i;
 120
 121    g_assert(pcibus != NULL);
 122
 123    for (i = 0; i < 6; i++) {
 124        ehci_port_test(&ehci1, i, expect[i]);
 125    }
 126}
 127
 128static void pci_ehci_port_3_hotplug(void)
 129{
 130    /* check for presence of hotplugged usb-tablet */
 131    g_assert(pcibus != NULL);
 132    ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
 133}
 134
 135static void pci_ehci_port_hotplug(void)
 136{
 137    usb_test_hotplug("ich9-ehci-1", 3, pci_ehci_port_3_hotplug);
 138}
 139
 140
 141int main(int argc, char **argv)
 142{
 143    int ret;
 144
 145    g_test_init(&argc, &argv, NULL);
 146    qtest_add_func("/ehci/pci/init", pci_init);
 147    qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
 148    qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
 149    qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
 150    qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
 151    qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
 152    qtest_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
 153
 154    qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
 155                "multifunction=on,id=ich9-ehci-1 "
 156                "-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
 157                "multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
 158                "-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
 159                "multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
 160                "-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
 161                "multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
 162                "-drive if=none,id=usbcdrom,media=cdrom "
 163                "-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
 164                "-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
 165    ret = g_test_run();
 166
 167    qtest_end();
 168
 169    return ret;
 170}
 171