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