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