qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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usb.c (1461B)

      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 
     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 
     27 void uhci_deinit(struct qhc *hc)
     28 {
     29     g_free(hc->dev);
     30 }
     31 
     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 
     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 }