xref: /openbmc/qemu/tests/qtest/libqos/usb.c (revision 907b5105)
1 /*
2  * common code shared by usb tests
3  *
4  * Copyright (c) 2014 Red Hat, Inc
5  *
6  * Authors:
7  *     Gerd Hoffmann <kraxel@redhat.com>
8  *     John Snow <jsnow@redhat.com>
9  *     Igor Mammedov <imammedo@redhat.com>
10  *
11  * This work is licensed under the terms of the GNU GPL, version 2 or later.
12  * See the COPYING file in the top-level directory.
13  */
14 #include "qemu/osdep.h"
15 #include "../libqtest.h"
16 #include "hw/usb/uhci-regs.h"
17 #include "usb.h"
18 
qusb_pci_init_one(QPCIBus * pcibus,struct qhc * hc,uint32_t devfn,int bar)19 void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, uint32_t devfn, int bar)
20 {
21     hc->dev = qpci_device_find(pcibus, devfn);
22     g_assert(hc->dev != NULL);
23     qpci_device_enable(hc->dev);
24     hc->bar = qpci_iomap(hc->dev, bar, NULL);
25 }
26 
uhci_deinit(struct qhc * hc)27 void uhci_deinit(struct qhc *hc)
28 {
29     g_free(hc->dev);
30 }
31 
uhci_port_test(struct qhc * hc,int port,uint16_t expect)32 void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
33 {
34     uint16_t value = qpci_io_readw(hc->dev, hc->bar, 0x10 + 2 * port);
35     uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
36 
37     g_assert((value & mask) == (expect & mask));
38 }
39 
usb_test_hotplug(QTestState * qts,const char * hcd_id,const char * port,void (* port_check)(void))40 void usb_test_hotplug(QTestState *qts, const char *hcd_id, const char *port,
41                       void (*port_check)(void))
42 {
43     char *id = g_strdup_printf("usbdev%s", port);
44     char *bus = g_strdup_printf("%s.0", hcd_id);
45 
46     qtest_qmp_device_add(qts, "usb-tablet", id, "{'port': %s, 'bus': %s}",
47                          port, bus);
48 
49     if (port_check) {
50         port_check();
51     }
52 
53     qtest_qmp_device_del(qts, id);
54 
55     g_free(bus);
56     g_free(id);
57 }
58