qemu-patch-raspberry4/tests/wdt_ib700-test.c
Eric Blake db57d7a3c2 wdt_ib700-test: Drop dependence on global_qtest
As a general rule, we prefer avoiding implicit global state
because it makes code harder to safely copy and paste without
thinking about the global state.  Improve this test to be
explicit about the state.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2018-02-14 11:43:42 +01:00

119 lines
2.9 KiB
C

/*
* QTest testcase for the IB700 watchdog
*
* Copyright (c) 2014 Red Hat, Inc.
*
* 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.h"
#include "qapi/qmp/qdict.h"
#include "qemu/timer.h"
static void qmp_check_no_event(QTestState *s)
{
QDict *resp = qtest_qmp(s, "{'execute':'query-status'}");
g_assert(qdict_haskey(resp, "return"));
QDECREF(resp);
}
static QDict *ib700_program_and_wait(QTestState *s)
{
QDict *event, *data;
qtest_clock_step(s, NANOSECONDS_PER_SECOND * 40);
qmp_check_no_event(s);
/* 2 second limit */
qtest_outb(s, 0x443, 14);
/* Ping */
qtest_clock_step(s, NANOSECONDS_PER_SECOND);
qmp_check_no_event(s);
qtest_outb(s, 0x443, 14);
/* Disable */
qtest_clock_step(s, NANOSECONDS_PER_SECOND);
qmp_check_no_event(s);
qtest_outb(s, 0x441, 1);
qtest_clock_step(s, 3 * NANOSECONDS_PER_SECOND);
qmp_check_no_event(s);
/* Enable and let it fire */
qtest_outb(s, 0x443, 13);
qtest_clock_step(s, 3 * NANOSECONDS_PER_SECOND);
qmp_check_no_event(s);
qtest_clock_step(s, 2 * NANOSECONDS_PER_SECOND);
event = qtest_qmp_eventwait_ref(s, "WATCHDOG");
data = qdict_get_qdict(event, "data");
QINCREF(data);
QDECREF(event);
return data;
}
static void ib700_pause(void)
{
QDict *d;
QTestState *s = qtest_init("-watchdog-action pause -device ib700");
qtest_irq_intercept_in(s, "ioapic");
d = ib700_program_and_wait(s);
g_assert(!strcmp(qdict_get_str(d, "action"), "pause"));
QDECREF(d);
qtest_qmp_eventwait(s, "STOP");
qtest_quit(s);
}
static void ib700_reset(void)
{
QDict *d;
QTestState *s = qtest_init("-watchdog-action reset -device ib700");
qtest_irq_intercept_in(s, "ioapic");
d = ib700_program_and_wait(s);
g_assert(!strcmp(qdict_get_str(d, "action"), "reset"));
QDECREF(d);
qtest_qmp_eventwait(s, "RESET");
qtest_quit(s);
}
static void ib700_shutdown(void)
{
QDict *d;
QTestState *s;
s = qtest_init("-watchdog-action reset -no-reboot -device ib700");
qtest_irq_intercept_in(s, "ioapic");
d = ib700_program_and_wait(s);
g_assert(!strcmp(qdict_get_str(d, "action"), "reset"));
QDECREF(d);
qtest_qmp_eventwait(s, "SHUTDOWN");
qtest_quit(s);
}
static void ib700_none(void)
{
QDict *d;
QTestState *s = qtest_init("-watchdog-action none -device ib700");
qtest_irq_intercept_in(s, "ioapic");
d = ib700_program_and_wait(s);
g_assert(!strcmp(qdict_get_str(d, "action"), "none"));
QDECREF(d);
qtest_quit(s);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("/wdt_ib700/pause", ib700_pause);
qtest_add_func("/wdt_ib700/reset", ib700_reset);
qtest_add_func("/wdt_ib700/shutdown", ib700_shutdown);
qtest_add_func("/wdt_ib700/none", ib700_none);
return g_test_run();
}