LXR qemu/tests/wdt_ib700-test.c

   1/*
   2 * QTest testcase for the IB700 watchdog
   3 *
   4 * Copyright (c) 2014 Red Hat, Inc.
   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 "qemu/osdep.h"
  11#include "libqtest.h"
  12#include "qemu/timer.h"
  13
  14static void qmp_check_no_event(void)
  15{
  16    QDict *resp = qmp("{'execute':'query-status'}");
  17    g_assert(qdict_haskey(resp, "return"));
  18    QDECREF(resp);
  19}
  20
  21static QDict *qmp_get_event(const char *name)
  22{
  23    QDict *event = qmp("");
  24    QDict *data;
  25    g_assert(qdict_haskey(event, "event"));
  26    g_assert(!strcmp(qdict_get_str(event, "event"), name));
  27
  28    if (qdict_haskey(event, "data")) {
  29        data = qdict_get_qdict(event, "data");
  30        QINCREF(data);
  31    } else {
  32        data = NULL;
  33    }
  34
  35    QDECREF(event);
  36    return data;
  37}
  38
  39static QDict *ib700_program_and_wait(QTestState *s)
  40{
  41    clock_step(NANOSECONDS_PER_SECOND * 40);
  42    qmp_check_no_event();
  43
  44    /* 2 second limit */
  45    outb(0x443, 14);
  46
  47    /* Ping */
  48    clock_step(NANOSECONDS_PER_SECOND);
  49    qmp_check_no_event();
  50    outb(0x443, 14);
  51
  52    /* Disable */
  53    clock_step(NANOSECONDS_PER_SECOND);
  54    qmp_check_no_event();
  55    outb(0x441, 1);
  56    clock_step(3 * NANOSECONDS_PER_SECOND);
  57    qmp_check_no_event();
  58
  59    /* Enable and let it fire */
  60    outb(0x443, 13);
  61    clock_step(3 * NANOSECONDS_PER_SECOND);
  62    qmp_check_no_event();
  63    clock_step(2 * NANOSECONDS_PER_SECOND);
  64    return qmp_get_event("WATCHDOG");
  65}
  66
  67
  68static void ib700_pause(void)
  69{
  70    QDict *d;
  71    QTestState *s = qtest_start("-watchdog-action pause -device ib700");
  72    qtest_irq_intercept_in(s, "ioapic");
  73    d = ib700_program_and_wait(s);
  74    g_assert(!strcmp(qdict_get_str(d, "action"), "pause"));
  75    QDECREF(d);
  76    d = qmp_get_event("STOP");
  77    QDECREF(d);
  78    qtest_end();
  79}
  80
  81static void ib700_reset(void)
  82{
  83    QDict *d;
  84    QTestState *s = qtest_start("-watchdog-action reset -device ib700");
  85    qtest_irq_intercept_in(s, "ioapic");
  86    d = ib700_program_and_wait(s);
  87    g_assert(!strcmp(qdict_get_str(d, "action"), "reset"));
  88    QDECREF(d);
  89    d = qmp_get_event("RESET");
  90    QDECREF(d);
  91    qtest_end();
  92}
  93
  94static void ib700_shutdown(void)
  95{
  96    QDict *d;
  97    QTestState *s = qtest_start("-watchdog-action reset -no-reboot -device ib700");
  98    qtest_irq_intercept_in(s, "ioapic");
  99    d = ib700_program_and_wait(s);
 100    g_assert(!strcmp(qdict_get_str(d, "action"), "reset"));
 101    QDECREF(d);
 102    d = qmp_get_event("SHUTDOWN");
 103    QDECREF(d);
 104    qtest_end();
 105}
 106
 107static void ib700_none(void)
 108{
 109    QDict *d;
 110    QTestState *s = qtest_start("-watchdog-action none -device ib700");
 111    qtest_irq_intercept_in(s, "ioapic");
 112    d = ib700_program_and_wait(s);
 113    g_assert(!strcmp(qdict_get_str(d, "action"), "none"));
 114    QDECREF(d);
 115    qtest_end();
 116}
 117
 118int main(int argc, char **argv)
 119{
 120    g_test_init(&argc, &argv, NULL);
 121    qtest_add_func("/wdt_ib700/pause", ib700_pause);
 122    qtest_add_func("/wdt_ib700/reset", ib700_reset);
 123    qtest_add_func("/wdt_ib700/shutdown", ib700_shutdown);
 124    qtest_add_func("/wdt_ib700/none", ib700_none);
 125
 126    return g_test_run();
 127}
 128