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 <glib.h>
  11 #include <string.h>
  12 #include <stdio.h>
  13 #include "libqtest.h"
  14 #include "libqos/pci-pc.h"
  15 #include "qemu/osdep.h"
  16 #include "hw/usb/uhci-regs.h"
  17 #include "hw/usb/ehci-regs.h"
  18
  19 struct qhc {
  20     QPCIDevice *dev;
  21     void *base;
  22 };
  23
  24 static QPCIBus *pcibus;
  25 static struct qhc uhci1;
  26 static struct qhc uhci2;
  27 static struct qhc uhci3;
  28 static struct qhc ehci1;
  29
  30 /* helpers */
  31
  32 static void pci_init_one(struct qhc *hc, uint32_t devfn, int bar)
  33 {
  34     hc->dev = qpci_device_find(pcibus, devfn);
  35     g_assert(hc->dev != NULL);
  36     qpci_device_enable(hc->dev);
  37     hc->base = qpci_iomap(hc->dev, bar);
  38     g_assert(hc->base != NULL);
  39 }
  40
  41 #if 0
  42 static void uhci_port_update(struct qhc *hc, int port,
  43                              uint16_t set, uint16_t clear)
  44 {
  45     void *addr = hc->base + 0x10 + 2 * port;
  46     uint16_t value;
  47
  48     value = qpci_io_readw(hc->dev, addr);
  49     value |= set;
  50     value &= ~clear;
  51     qpci_io_writew(hc->dev, addr, value);
  52 }
  53 #endif
  54
  55 static void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
  56 {
  57     void *addr = hc->base + 0x10 + 2 * port;
  58     uint16_t value = qpci_io_readw(hc->dev, addr);
  59     uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
  60
  61 #if 0
  62     fprintf(stderr, "%s: %d, have 0x%04x, want 0x%04x\n",
  63             __func__, port, value & mask, expect & mask);
  64 #endif
  65     g_assert((value & mask) == (expect & mask));
  66 }
  67
  68 static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
  69 {
  70     void *addr = hc->base + 0x64 + 4 * port;
  71     uint32_t value = qpci_io_readl(hc->dev, addr);
  72     uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
  73
  74 #if 0
  75     fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
  76             __func__, port, value & mask, expect & mask);
  77 #endif
  78     g_assert((value & mask) == (expect & mask));
  79 }
  80
  81 /* tests */
  82
  83 static void pci_init(void)
  84 {
  85     if (pcibus) {
  86         return;
  87     }
  88     pcibus = qpci_init_pc();
  89     g_assert(pcibus != NULL);
  90
  91     pci_init_one(&uhci1, QPCI_DEVFN(0x1d, 0), 4);
  92     pci_init_one(&uhci2, QPCI_DEVFN(0x1d, 1), 4);
  93     pci_init_one(&uhci3, QPCI_DEVFN(0x1d, 2), 4);
  94     pci_init_one(&ehci1, QPCI_DEVFN(0x1d, 7), 0);
  95 }
  96
  97 static void pci_uhci_port_1(void)
  98 {
  99     g_assert(pcibus != NULL);
 100
 101     uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet  */
 102     uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
 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
 109 static void pci_ehci_port_1(void)
 110 {
 111     int i;
 112
 113     g_assert(pcibus != NULL);
 114
 115     for (i = 0; i < 6; i++) {
 116         ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
 117     }
 118 }
 119
 120 static void pci_ehci_config(void)
 121 {
 122     /* hands over all ports from companion uhci to ehci */
 123     qpci_io_writew(ehci1.dev, ehci1.base + 0x60, 1);
 124 }
 125
 126 static void pci_uhci_port_2(void)
 127 {
 128     g_assert(pcibus != NULL);
 129
 130     uhci_port_test(&uhci1, 0, 0); /* usb-tablet,  @ehci */
 131     uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
 132     uhci_port_test(&uhci2, 0, 0);
 133     uhci_port_test(&uhci2, 1, 0);
 134     uhci_port_test(&uhci3, 0, 0);
 135     uhci_port_test(&uhci3, 1, 0);
 136 }
 137
 138 static void pci_ehci_port_2(void)
 139 {
 140     static uint32_t expect[] = {
 141         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet  */
 142         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
 143         PORTSC_PPOWER,
 144         PORTSC_PPOWER,
 145         PORTSC_PPOWER,
 146         PORTSC_PPOWER,
 147     };
 148     int i;
 149
 150     g_assert(pcibus != NULL);
 151
 152     for (i = 0; i < 6; i++) {
 153         ehci_port_test(&ehci1, i, expect[i]);
 154     }
 155 }
 156
 157 int main(int argc, char **argv)
 158 {
 159     int ret;
 160
 161     g_test_init(&argc, &argv, NULL);
 162     qtest_add_func("/ehci/pci/init", pci_init);
 163     qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
 164     qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
 165     qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
 166     qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
 167     qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
 168
 169     qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
 170                 "multifunction=on,id=ich9-ehci-1 "
 171                 "-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
 172                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
 173                 "-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
 174                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
 175                 "-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
 176                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
 177                 "-drive if=none,id=usbcdrom,media=cdrom "
 178                 "-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
 179                 "-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
 180     ret = g_test_run();
 181
 182     qtest_end();
 183
 184     return ret;
 185 }