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
  17 static QPCIBus *pcibus;
  18 static struct qhc uhci1;
  19 static struct qhc uhci2;
  20 static struct qhc uhci3;
  21 static struct qhc ehci1;
  22
  23 /* helpers */
  24
  25 #if 0
  26 static 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
  39 static 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
  53 static void test_init(void)
  54 {
  55     pcibus = qpci_init_pc(global_qtest, 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
  64 static 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
  73 static 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
  85 static 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
  96 static 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
 102 static 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
 114 static 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
 133 static 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
 140 static void pci_ehci_port_hotplug(void)
 141 {
 142     usb_test_hotplug("ich9-ehci-1", 3, pci_ehci_port_3_hotplug);
 143 }
 144
 145
 146 int 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 }