qemu/tests/qtest/usb-hcd-ehci-test.c
Thomas Huth 5af3438a7c tests/qtest/usb-hcd-ehci-test: Check for EHCI and UHCI HCDs before using them
The devices might not be available in the binary (e.g. when compiling
with "--without-default-devices"), so we have to check before we can
use them.

Message-Id: <20230525081016.1870364-5-thuth@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-05-26 09:10:49 +02:00

184 lines
4.8 KiB
C

/*
* QTest testcase for USB EHCI
*
* Copyright (c) 2014 SUSE LINUX Products GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "libqtest-single.h"
#include "libqos/pci-pc.h"
#include "hw/usb/uhci-regs.h"
#include "hw/usb/ehci-regs.h"
#include "libqos/usb.h"
static QPCIBus *pcibus;
static struct qhc uhci1;
static struct qhc uhci2;
static struct qhc uhci3;
static struct qhc ehci1;
/* helpers */
#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 ehci_port_test(struct qhc *hc, int port, uint32_t expect)
{
uint32_t value = qpci_io_readl(hc->dev, hc->bar, 0x64 + 4 * port);
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 test_init(void)
{
pcibus = qpci_new_pc(global_qtest, NULL);
g_assert(pcibus != NULL);
qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
}
static void test_deinit(void)
{
uhci_deinit(&uhci1);
uhci_deinit(&uhci2);
uhci_deinit(&uhci3);
uhci_deinit(&ehci1);
qpci_free_pc(pcibus);
}
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_writel(ehci1.dev, ehci1.bar, 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]);
}
}
static void pci_ehci_port_3_hotplug(void)
{
/* check for presence of hotplugged usb-tablet */
g_assert(pcibus != NULL);
ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
}
static void pci_ehci_port_hotplug(void)
{
usb_test_hotplug(global_qtest, "ich9-ehci-1", "3", pci_ehci_port_3_hotplug);
}
int main(int argc, char **argv)
{
int ret;
g_test_init(&argc, &argv, NULL);
if (!qtest_has_device("ich9-usb-ehci1") ||
!qtest_has_device("ich9-usb-uhci1")) {
return 0;
}
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_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
"multifunction=on,id=ich9-ehci-1 "
"-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
"multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
"-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 "
"-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 ");
test_init();
ret = g_test_run();
test_deinit();
qtest_end();
return ret;
}