/* * QTest testcase for the ptimer * * Copyright (c) 2016 Dmitry Osipenko * * 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 #include "qemu/main-loop.h" #include "hw/ptimer.h" #include "libqtest.h" #include "ptimer-test.h" static bool triggered; static void ptimer_trigger(void *opaque) { triggered = true; } static void ptimer_test_expire_qemu_timers(int64_t expire_time, QEMUClockType type) { QEMUTimerList *timer_list = main_loop_tlg.tl[type]; QEMUTimer *t = timer_list->active_timers.next; while (t != NULL) { if (t->expire_time == expire_time) { timer_del(t); if (t->cb != NULL) { t->cb(t->opaque); } } t = t->next; } } static void ptimer_test_set_qemu_time_ns(int64_t ns) { ptimer_test_time_ns = ns; } static void qemu_clock_step(uint64_t ns) { int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL); int64_t advanced_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns; while (deadline != -1 && deadline <= advanced_time) { ptimer_test_set_qemu_time_ns(deadline); ptimer_test_expire_qemu_timers(deadline, QEMU_CLOCK_VIRTUAL); deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL); } ptimer_test_set_qemu_time_ns(advanced_time); } static void check_set_count(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); triggered = false; ptimer_set_count(ptimer, 1000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 1000); g_assert_false(triggered); ptimer_free(ptimer); } static void check_set_limit(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); triggered = false; ptimer_set_limit(ptimer, 1000, 0); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 1000); g_assert_false(triggered); ptimer_set_limit(ptimer, 2000, 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 2000); g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 2000); g_assert_false(triggered); ptimer_free(ptimer); } static void check_oneshot(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_set_count(ptimer, 10); ptimer_run(ptimer, 1); qemu_clock_step(2000000 * 2 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); ptimer_stop(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); qemu_clock_step(2000000 * 11); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); ptimer_run(ptimer, 1); qemu_clock_step(2000000 * 7 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); if (no_round_down) { g_assert_false(triggered); } else { g_assert_true(triggered); triggered = false; } qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); if (no_round_down) { g_assert_true(triggered); triggered = false; } else { g_assert_false(triggered); } qemu_clock_step(4000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_false(triggered); ptimer_set_count(ptimer, 10); qemu_clock_step(20000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10); g_assert_false(triggered); ptimer_set_limit(ptimer, 9, 1); qemu_clock_step(20000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9); g_assert_false(triggered); ptimer_run(ptimer, 1); qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); ptimer_set_count(ptimer, 20); qemu_clock_step(2000000 * 19 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); g_assert_false(triggered); qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); ptimer_stop(ptimer); triggered = false; qemu_clock_step(2000000 * 12 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_false(triggered); ptimer_free(ptimer); } static void check_periodic(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 10, 1); ptimer_run(ptimer, 0); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10); g_assert_false(triggered); qemu_clock_step(1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9); g_assert_false(triggered); qemu_clock_step(2000000 * 10 - 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : 10); g_assert_true(triggered); qemu_clock_step(1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : (no_round_down ? 10 : 9)); g_assert_true(triggered); triggered = false; qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); ptimer_set_count(ptimer, 20); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 20); g_assert_false(triggered); qemu_clock_step(1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 20 : 19); g_assert_false(triggered); qemu_clock_step(2000000 * 11 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 9 : 8); g_assert_false(triggered); qemu_clock_step(2000000 * 10); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_true(triggered); triggered = false; ptimer_set_count(ptimer, 3); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3); g_assert_false(triggered); qemu_clock_step(1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 3 : 2); g_assert_false(triggered); qemu_clock_step(2000000 * 4); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_true(triggered); ptimer_stop(ptimer); triggered = false; qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); ptimer_set_count(ptimer, 3); ptimer_run(ptimer, 0); qemu_clock_step(2000000 * 3 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : (no_round_down ? 10 : 9)); g_assert_true(triggered); triggered = false; qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); ptimer_set_count(ptimer, 0); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : 10); if (no_immediate_trigger) { g_assert_false(triggered); } else { g_assert_true(triggered); } triggered = false; qemu_clock_step(1); if (no_immediate_reload) { g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_false(triggered); qemu_clock_step(2000000); if (no_immediate_trigger) { g_assert_true(triggered); } else { g_assert_false(triggered); } triggered = false; } g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9); g_assert_false(triggered); qemu_clock_step(2000000 * 12); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0)); g_assert_true(triggered); ptimer_stop(ptimer); triggered = false; qemu_clock_step(2000000 * 10); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); ptimer_run(ptimer, 0); ptimer_set_period(ptimer, 0); qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); ptimer_free(ptimer); } static void check_on_the_fly_mode_change(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 10, 1); ptimer_run(ptimer, 1); qemu_clock_step(2000000 * 9 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); g_assert_false(triggered); ptimer_run(ptimer, 0); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); g_assert_false(triggered); qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : (no_round_down ? 10 : 9)); g_assert_true(triggered); triggered = false; qemu_clock_step(2000000 * 9); ptimer_run(ptimer, 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 1 : 0) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); qemu_clock_step(2000000 * 3); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); ptimer_free(ptimer); } static void check_on_the_fly_period_change(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 8, 1); ptimer_run(ptimer, 1); qemu_clock_step(2000000 * 4 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); g_assert_false(triggered); ptimer_set_period(ptimer, 4000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); qemu_clock_step(4000000 * 2 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0); g_assert_false(triggered); qemu_clock_step(4000000 * 2); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); ptimer_free(ptimer); } static void check_on_the_fly_freq_change(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; ptimer_set_freq(ptimer, 500); ptimer_set_limit(ptimer, 8, 1); ptimer_run(ptimer, 1); qemu_clock_step(2000000 * 4 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); g_assert_false(triggered); ptimer_set_freq(ptimer, 250); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); qemu_clock_step(2000000 * 4 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0); g_assert_false(triggered); qemu_clock_step(2000000 * 4); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); ptimer_free(ptimer); } static void check_run_with_period_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); triggered = false; ptimer_set_count(ptimer, 99); ptimer_run(ptimer, 1); qemu_clock_step(10 * NANOSECONDS_PER_SECOND); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99); g_assert_false(triggered); ptimer_free(ptimer); } static void check_run_with_delta_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 99, 0); ptimer_run(ptimer, 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : 99); if (no_immediate_trigger) { g_assert_false(triggered); } else { g_assert_true(triggered); } triggered = false; if (no_immediate_trigger || no_immediate_reload) { qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : (no_round_down ? 98 : 97)); if (no_immediate_trigger && no_immediate_reload) { g_assert_true(triggered); triggered = false; } else { g_assert_false(triggered); } ptimer_set_count(ptimer, 99); ptimer_run(ptimer, 1); } qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97); g_assert_false(triggered); qemu_clock_step(2000000 * 97); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); g_assert_false(triggered); qemu_clock_step(2000000 * 2); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); triggered = false; ptimer_set_count(ptimer, 0); ptimer_run(ptimer, 0); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : 99); if (no_immediate_trigger) { g_assert_false(triggered); } else { g_assert_true(triggered); } triggered = false; qemu_clock_step(1); if (no_immediate_reload) { qemu_clock_step(2000000); } g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 99 : 98); if (no_immediate_reload && no_immediate_trigger) { g_assert_true(triggered); } else { g_assert_false(triggered); } triggered = false; qemu_clock_step(2000000); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97); g_assert_false(triggered); qemu_clock_step(2000000 * 98); g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : (no_round_down ? 99 : 98)); g_assert_true(triggered); ptimer_stop(ptimer); ptimer_free(ptimer); } static void check_periodic_with_load_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool continuous_trigger = (*policy & PTIMER_POLICY_CONTINUOUS_TRIGGER); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_run(ptimer, 0); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); if (no_immediate_trigger) { g_assert_false(triggered); } else { g_assert_true(triggered); } triggered = false; qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); if (continuous_trigger || no_immediate_trigger) { g_assert_true(triggered); } else { g_assert_false(triggered); } triggered = false; ptimer_set_count(ptimer, 10); ptimer_run(ptimer, 0); qemu_clock_step(2000000 * 10 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); triggered = false; qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); if (continuous_trigger) { g_assert_true(triggered); } else { g_assert_false(triggered); } ptimer_stop(ptimer); ptimer_free(ptimer); } static void check_oneshot_with_load_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); ptimer_state *ptimer = ptimer_init(bh, *policy); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); triggered = false; ptimer_set_period(ptimer, 2000000); ptimer_run(ptimer, 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); if (no_immediate_trigger) { g_assert_false(triggered); } else { g_assert_true(triggered); } triggered = false; qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); if (no_immediate_trigger) { g_assert_true(triggered); } else { g_assert_false(triggered); } ptimer_free(ptimer); } static void add_ptimer_tests(uint8_t policy) { char policy_name[256] = ""; char *tmp; if (policy == PTIMER_POLICY_DEFAULT) { g_sprintf(policy_name, "default"); } if (policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD) { g_strlcat(policy_name, "wrap_after_one_period,", 256); } if (policy & PTIMER_POLICY_CONTINUOUS_TRIGGER) { g_strlcat(policy_name, "continuous_trigger,", 256); } if (policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) { g_strlcat(policy_name, "no_immediate_trigger,", 256); } if (policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD) { g_strlcat(policy_name, "no_immediate_reload,", 256); } if (policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN) { g_strlcat(policy_name, "no_counter_rounddown,", 256); } g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/set_count policy=%s", policy_name), g_memdup(&policy, 1), check_set_count, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/set_limit policy=%s", policy_name), g_memdup(&policy, 1), check_set_limit, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/oneshot policy=%s", policy_name), g_memdup(&policy, 1), check_oneshot, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/periodic policy=%s", policy_name), g_memdup(&policy, 1), check_periodic, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s", policy_name), g_memdup(&policy, 1), check_on_the_fly_mode_change, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s", policy_name), g_memdup(&policy, 1), check_on_the_fly_period_change, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s", policy_name), g_memdup(&policy, 1), check_on_the_fly_freq_change, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/run_with_period_0 policy=%s", policy_name), g_memdup(&policy, 1), check_run_with_period_0, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/run_with_delta_0 policy=%s", policy_name), g_memdup(&policy, 1), check_run_with_delta_0, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s", policy_name), g_memdup(&policy, 1), check_periodic_with_load_0, g_free); g_free(tmp); g_test_add_data_func_full( tmp = g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s", policy_name), g_memdup(&policy, 1), check_oneshot_with_load_0, g_free); g_free(tmp); } static void add_all_ptimer_policies_comb_tests(void) { int last_policy = PTIMER_POLICY_NO_COUNTER_ROUND_DOWN; int policy = PTIMER_POLICY_DEFAULT; for (; policy < (last_policy << 1); policy++) { add_ptimer_tests(policy); } } int main(int argc, char **argv) { int i; g_test_init(&argc, &argv, NULL); for (i = 0; i < QEMU_CLOCK_MAX; i++) { main_loop_tlg.tl[i] = g_new0(QEMUTimerList, 1); } add_all_ptimer_policies_comb_tests(); qtest_allowed = true; return g_test_run(); }