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 <glib.h>
  12 #include "libqtest.h"
  13 #include "libqos/pci-pc.h"
  14 #include "hw/usb/uhci-regs.h"
  15 #include "hw/usb/ehci-regs.h"
  16 #include "libqos/usb.h"
  17
  18 static QPCIBus *pcibus;
  19 static struct qhc uhci1;
  20 static struct qhc uhci2;
  21 static struct qhc uhci3;
  22 static struct qhc ehci1;
  23
  24 /* helpers */
  25
  26 #if 0
  27 static void uhci_port_update(struct qhc *hc, int port,
  28                              uint16_t set, uint16_t clear)
  29 {
  30     void *addr = hc->base + 0x10 + 2 * port;
  31     uint16_t value;
  32
  33     value = qpci_io_readw(hc->dev, addr);
  34     value |= set;
  35     value &= ~clear;
  36     qpci_io_writew(hc->dev, addr, value);
  37 }
  38 #endif
  39
  40 static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
  41 {
  42     void *addr = hc->base + 0x64 + 4 * port;
  43     uint32_t value = qpci_io_readl(hc->dev, addr);
  44     uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
  45
  46 #if 0
  47     fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
  48             __func__, port, value & mask, expect & mask);
  49 #endif
  50     g_assert((value & mask) == (expect & mask));
  51 }
  52
  53 /* tests */
  54
  55 static void pci_init(void)
  56 {
  57     if (pcibus) {
  58         return;
  59     }
  60     pcibus = qpci_init_pc();
  61     g_assert(pcibus != NULL);
  62
  63     qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
  64     qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
  65     qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
  66     qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
  67 }
  68
  69 static void pci_uhci_port_1(void)
  70 {
  71     g_assert(pcibus != NULL);
  72
  73     uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet  */
  74     uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
  75     uhci_port_test(&uhci2, 0, 0);
  76     uhci_port_test(&uhci2, 1, 0);
  77     uhci_port_test(&uhci3, 0, 0);
  78     uhci_port_test(&uhci3, 1, 0);
  79 }
  80
  81 static void pci_ehci_port_1(void)
  82 {
  83     int i;
  84
  85     g_assert(pcibus != NULL);
  86
  87     for (i = 0; i < 6; i++) {
  88         ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
  89     }
  90 }
  91
  92 static void pci_ehci_config(void)
  93 {
  94     /* hands over all ports from companion uhci to ehci */
  95     qpci_io_writew(ehci1.dev, ehci1.base + 0x60, 1);
  96 }
  97
  98 static void pci_uhci_port_2(void)
  99 {
 100     g_assert(pcibus != NULL);
 101
 102     uhci_port_test(&uhci1, 0, 0); /* usb-tablet,  @ehci */
 103     uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
 104     uhci_port_test(&uhci2, 0, 0);
 105     uhci_port_test(&uhci2, 1, 0);
 106     uhci_port_test(&uhci3, 0, 0);
 107     uhci_port_test(&uhci3, 1, 0);
 108 }
 109
 110 static void pci_ehci_port_2(void)
 111 {
 112     static uint32_t expect[] = {
 113         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet  */
 114         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
 115         PORTSC_PPOWER,
 116         PORTSC_PPOWER,
 117         PORTSC_PPOWER,
 118         PORTSC_PPOWER,
 119     };
 120     int i;
 121
 122     g_assert(pcibus != NULL);
 123
 124     for (i = 0; i < 6; i++) {
 125         ehci_port_test(&ehci1, i, expect[i]);
 126     }
 127 }
 128
 129 static void pci_ehci_port_3_hotplug(void)
 130 {
 131     /* check for presence of hotplugged usb-tablet */
 132     g_assert(pcibus != NULL);
 133     ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
 134 }
 135
 136 static void pci_ehci_port_hotplug(void)
 137 {
 138     usb_test_hotplug("ich9-ehci-1", 3, pci_ehci_port_3_hotplug);
 139 }
 140
 141
 142 int main(int argc, char **argv)
 143 {
 144     int ret;
 145
 146     g_test_init(&argc, &argv, NULL);
 147     qtest_add_func("/ehci/pci/init", pci_init);
 148     qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
 149     qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
 150     qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
 151     qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
 152     qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
 153     qtest_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
 154
 155     qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
 156                 "multifunction=on,id=ich9-ehci-1 "
 157                 "-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
 158                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
 159                 "-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
 160                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
 161                 "-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
 162                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
 163                 "-drive if=none,id=usbcdrom,media=cdrom "
 164                 "-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
 165                 "-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
 166     ret = g_test_run();
 167
 168     qtest_end();
 169
 170     return ret;
 171 }