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usb: improve ehci/uhci test 

* Attach usb devices to the bus.
 * Check initial port status register state.
 * Flip ehci initialization bit.
 * Check port status register state again to
   see whenever device handover to ehci worked.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-05-07 16:39:11 +02:00
parent 381626a969
commit d81d410635
2 changed files with 152 additions and 5 deletions
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4
tests/Makefile
View File

@ -154,6 +154,8 @@ gcov-files-i386-y += hw/pci-bridge/ioh3420.c
check-qtest-i386-y += tests/usb-hcd-ehci-test$(EXESUF)
gcov-files-i386-y += hw/usb/hcd-ehci.c
gcov-files-i386-y += hw/usb/hcd-uhci.c
gcov-files-i386-y += hw/usb/dev-hid.c
gcov-files-i386-y += hw/usb/dev-storage.c
check-qtest-x86_64-y = $(check-qtest-i386-y)
gcov-files-i386-y += i386-softmmu/hw/timer/mc146818rtc.c
gcov-files-x86_64-y = $(subst i386-softmmu/,x86_64-softmmu/,$(gcov-files-i386-y))
@ -319,7 +321,7 @@ tests/ac97-test$(EXESUF): tests/ac97-test.o
tests/es1370-test$(EXESUF): tests/es1370-test.o
tests/intel-hda-test$(EXESUF): tests/intel-hda-test.o
tests/ioh3420-test$(EXESUF): tests/ioh3420-test.o
tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o
tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o $(libqos-pc-obj-y)
tests/qemu-iotests/socket_scm_helper$(EXESUF): tests/qemu-iotests/socket_scm_helper.o
tests/test-qemu-opts$(EXESUF): tests/test-qemu-opts.o libqemuutil.a libqemustub.a

153
tests/usb-hcd-ehci-test.c
View File

@ -9,12 +9,149 @@
#include <glib.h>
#include <string.h>
#include <stdio.h>
#include "libqtest.h"
#include "libqos/pci-pc.h"
#include "qemu/osdep.h"
#include "hw/usb/uhci-regs.h"
#include "hw/usb/ehci-regs.h"
/* Tests only initialization so far. TODO: Replace with functional tests */
static void pci_nop(void)
struct qhc {
QPCIDevice *dev;
void *base;
};
static QPCIBus *pcibus;
static struct qhc uhci1;
static struct qhc uhci2;
static struct qhc uhci3;
static struct qhc ehci1;
/* helpers */
static void pci_init_one(struct qhc *hc, uint32_t devfn, int bar)
{
hc->dev = qpci_device_find(pcibus, devfn);
g_assert(hc->dev != NULL);
qpci_device_enable(hc->dev);
hc->base = qpci_iomap(hc->dev, bar);
g_assert(hc->base != NULL);
}
#if 0
static void uhci_port_update(struct qhc *hc, int port,
uint16_t set, uint16_t clear)
{
void *addr = hc->base + 0x10 + 2 * port;
uint16_t value;
value = qpci_io_readw(hc->dev, addr);
value |= set;
value &= ~clear;
qpci_io_writew(hc->dev, addr, value);
}
#endif
static void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
{
void *addr = hc->base + 0x10 + 2 * port;
uint16_t value = qpci_io_readw(hc->dev, addr);
uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
#if 0
fprintf(stderr, "%s: %d, have 0x%04x, want 0x%04x\n",
__func__, port, value & mask, expect & mask);
#endif
g_assert((value & mask) == (expect & mask));
}
static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
{
void *addr = hc->base + 0x64 + 4 * port;
uint32_t value = qpci_io_readl(hc->dev, addr);
uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
#if 0
fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
__func__, port, value & mask, expect & mask);
#endif
g_assert((value & mask) == (expect & mask));
}
/* tests */
static void pci_init(void)
{
if (pcibus) {
return;
}
pcibus = qpci_init_pc();
g_assert(pcibus != NULL);
pci_init_one(&uhci1, QPCI_DEVFN(0x1d, 0), 4);
pci_init_one(&uhci2, QPCI_DEVFN(0x1d, 1), 4);
pci_init_one(&uhci3, QPCI_DEVFN(0x1d, 2), 4);
pci_init_one(&ehci1, QPCI_DEVFN(0x1d, 7), 0);
}
static void pci_uhci_port_1(void)
{
g_assert(pcibus != NULL);
uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet */
uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
uhci_port_test(&uhci2, 0, 0);
uhci_port_test(&uhci2, 1, 0);
uhci_port_test(&uhci3, 0, 0);
uhci_port_test(&uhci3, 1, 0);
}
static void pci_ehci_port_1(void)
{
int i;
g_assert(pcibus != NULL);
for (i = 0; i < 6; i++) {
ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
}
}
static void pci_ehci_config(void)
{
/* hands over all ports from companion uhci to ehci */
qpci_io_writew(ehci1.dev, ehci1.base + 0x60, 1);
}
static void pci_uhci_port_2(void)
{
g_assert(pcibus != NULL);
uhci_port_test(&uhci1, 0, 0); /* usb-tablet, @ehci */
uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
uhci_port_test(&uhci2, 0, 0);
uhci_port_test(&uhci2, 1, 0);
uhci_port_test(&uhci3, 0, 0);
uhci_port_test(&uhci3, 1, 0);
}
static void pci_ehci_port_2(void)
{
static uint32_t expect[] = {
PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet */
PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
PORTSC_PPOWER,
PORTSC_PPOWER,
PORTSC_PPOWER,
PORTSC_PPOWER,
};
int i;
g_assert(pcibus != NULL);
for (i = 0; i < 6; i++) {
ehci_port_test(&ehci1, i, expect[i]);
}
}
int main(int argc, char **argv)
@ -22,7 +159,12 @@ int main(int argc, char **argv)
int ret;
g_test_init(&argc, &argv, NULL);
qtest_add_func("/ehci/pci/nop", pci_nop);
qtest_add_func("/ehci/pci/init", pci_init);
qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
"multifunction=on,id=ich9-ehci-1 "
@ -31,7 +173,10 @@ int main(int argc, char **argv)
"-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
"multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
"-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
"multifunction=on,masterbus=ich9-ehci-1.0,firstport=4");
"multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
"-drive if=none,id=usbcdrom,media=cdrom "
"-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
"-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
ret = g_test_run();
qtest_end();