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 #include "libqos/usb.h"
  19
  20 static QPCIBus *pcibus;
  21 static struct qhc uhci1;
  22 static struct qhc uhci2;
  23 static struct qhc uhci3;
  24 static struct qhc ehci1;
  25
  26 /* helpers */
  27
  28 #if 0
  29 static void uhci_port_update(struct qhc *hc, int port,
  30                              uint16_t set, uint16_t clear)
  31 {
  32     void *addr = hc->base + 0x10 + 2 * port;
  33     uint16_t value;
  34
  35     value = qpci_io_readw(hc->dev, addr);
  36     value |= set;
  37     value &= ~clear;
  38     qpci_io_writew(hc->dev, addr, value);
  39 }
  40 #endif
  41
  42 static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
  43 {
  44     void *addr = hc->base + 0x64 + 4 * port;
  45     uint32_t value = qpci_io_readl(hc->dev, addr);
  46     uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
  47
  48 #if 0
  49     fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
  50             __func__, port, value & mask, expect & mask);
  51 #endif
  52     g_assert((value & mask) == (expect & mask));
  53 }
  54
  55 /* tests */
  56
  57 static void pci_init(void)
  58 {
  59     if (pcibus) {
  60         return;
  61     }
  62     pcibus = qpci_init_pc();
  63     g_assert(pcibus != NULL);
  64
  65     qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
  66     qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
  67     qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
  68     qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
  69 }
  70
  71 static void pci_uhci_port_1(void)
  72 {
  73     g_assert(pcibus != NULL);
  74
  75     uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet  */
  76     uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
  77     uhci_port_test(&uhci2, 0, 0);
  78     uhci_port_test(&uhci2, 1, 0);
  79     uhci_port_test(&uhci3, 0, 0);
  80     uhci_port_test(&uhci3, 1, 0);
  81 }
  82
  83 static void pci_ehci_port_1(void)
  84 {
  85     int i;
  86
  87     g_assert(pcibus != NULL);
  88
  89     for (i = 0; i < 6; i++) {
  90         ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
  91     }
  92 }
  93
  94 static void pci_ehci_config(void)
  95 {
  96     /* hands over all ports from companion uhci to ehci */
  97     qpci_io_writew(ehci1.dev, ehci1.base + 0x60, 1);
  98 }
  99
 100 static void pci_uhci_port_2(void)
 101 {
 102     g_assert(pcibus != NULL);
 103
 104     uhci_port_test(&uhci1, 0, 0); /* usb-tablet,  @ehci */
 105     uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
 106     uhci_port_test(&uhci2, 0, 0);
 107     uhci_port_test(&uhci2, 1, 0);
 108     uhci_port_test(&uhci3, 0, 0);
 109     uhci_port_test(&uhci3, 1, 0);
 110 }
 111
 112 static void pci_ehci_port_2(void)
 113 {
 114     static uint32_t expect[] = {
 115         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet  */
 116         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
 117         PORTSC_PPOWER,
 118         PORTSC_PPOWER,
 119         PORTSC_PPOWER,
 120         PORTSC_PPOWER,
 121     };
 122     int i;
 123
 124     g_assert(pcibus != NULL);
 125
 126     for (i = 0; i < 6; i++) {
 127         ehci_port_test(&ehci1, i, expect[i]);
 128     }
 129 }
 130
 131 static void pci_ehci_port_3_hotplug(void)
 132 {
 133     /* check for presence of hotplugged usb-tablet */
 134     g_assert(pcibus != NULL);
 135     ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
 136 }
 137
 138 static void pci_ehci_port_hotplug(void)
 139 {
 140     usb_test_hotplug("ich9-ehci-1", 3, pci_ehci_port_3_hotplug);
 141 }
 142
 143
 144 int main(int argc, char **argv)
 145 {
 146     int ret;
 147
 148     g_test_init(&argc, &argv, NULL);
 149     qtest_add_func("/ehci/pci/init", pci_init);
 150     qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
 151     qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
 152     qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
 153     qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
 154     qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
 155     qtest_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
 156
 157     qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
 158                 "multifunction=on,id=ich9-ehci-1 "
 159                 "-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
 160                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
 161                 "-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
 162                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
 163                 "-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
 164                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
 165                 "-drive if=none,id=usbcdrom,media=cdrom "
 166                 "-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
 167                 "-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
 168     ret = g_test_run();
 169
 170     qtest_end();
 171
 172     return ret;
 173 }