1 // SPDX-License-Identifier: GPL-2.0
3  * Real Time Clock Driver Test Program
39 	self->fd = open(rtc_file, O_RDONLY);  in FIXTURE_SETUP()
43 	close(self->fd);  in FIXTURE_TEARDOWN()
50 	if (self->fd == -1 && errno == ENOENT)  in TEST_F()
51 		SKIP(return, "Skipping test since %s does not exist", rtc_file);  in TEST_F()
52 	ASSERT_NE(-1, self->fd);  in TEST_F()
55 	rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm);  in TEST_F()
56 	ASSERT_NE(-1, rc);  in TEST_F()
66 	       .tm_sec = rtc_time->tm_sec,  in rtc_time_to_timestamp()
67 	       .tm_min = rtc_time->tm_min,  in rtc_time_to_timestamp()
68 	       .tm_hour = rtc_time->tm_hour,  in rtc_time_to_timestamp()
69 	       .tm_mday = rtc_time->tm_mday,  in rtc_time_to_timestamp()
70 	       .tm_mon = rtc_time->tm_mon,  in rtc_time_to_timestamp()
71 	       .tm_year = rtc_time->tm_year,  in rtc_time_to_timestamp()
115 	if (self->fd == -1 && errno == ENOENT)
116 		SKIP(return, "Skipping test since %s does not exist", rtc_file);
117 	ASSERT_NE(-1, self->fd);
122 	rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm);
123 	ASSERT_NE(-1, rc);
130 		rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm);
131 		ASSERT_NE(-1, rc);
153 	if (self->fd == -1 && errno == ENOENT)
154 		SKIP(return, "Skipping test since %s does not exist", rtc_file);
155 	ASSERT_NE(-1, self->fd);
158 	rc = ioctl(self->fd, RTC_UIE_ON, 0);
159 	if (rc == -1) {
167 		rc = read(self->fd, &data, sizeof(data));
168 		ASSERT_NE(-1, rc);
174 	rc = ioctl(self->fd, RTC_UIE_OFF, 0);
175 	ASSERT_NE(-1, rc);
182 	if (self->fd == -1 && errno == ENOENT)  in TEST_F()
183 		SKIP(return, "Skipping test since %s does not exist", rtc_file);  in TEST_F()
184 	ASSERT_NE(-1, self->fd);  in TEST_F()
187 	rc = ioctl(self->fd, RTC_UIE_ON, 0);  in TEST_F()
188 	if (rc == -1) {  in TEST_F()
199 		FD_SET(self->fd, &readfds);  in TEST_F()
201 		rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);  in TEST_F()
202 		ASSERT_NE(-1, rc);  in TEST_F()
206 		rc = read(self->fd, &data, sizeof(unsigned long));  in TEST_F()
207 		ASSERT_NE(-1, rc);  in TEST_F()
213 	rc = ioctl(self->fd, RTC_UIE_OFF, 0);  in TEST_F()
214 	ASSERT_NE(-1, rc);  in TEST_F()
226 	if (self->fd == -1 && errno == ENOENT)  in TEST_F()
227 		SKIP(return, "Skipping test since %s does not exist", rtc_file);  in TEST_F()
228 	ASSERT_NE(-1, self->fd);  in TEST_F()
230 	alarm_state = get_rtc_alarm_state(self->fd);  in TEST_F()
232 		SKIP(return, "Skipping test since alarms are not supported.");  in TEST_F()
234 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);  in TEST_F()
235 	ASSERT_NE(-1, rc);  in TEST_F()
240 	rc = ioctl(self->fd, RTC_ALM_SET, &tm);  in TEST_F()
241 	if (rc == -1) {  in TEST_F()
252 	rc = ioctl(self->fd, RTC_ALM_READ, &tm);  in TEST_F()
253 	ASSERT_NE(-1, rc);  in TEST_F()
259 	rc = ioctl(self->fd, RTC_AIE_ON, 0);  in TEST_F()
260 	ASSERT_NE(-1, rc);  in TEST_F()
263 	FD_SET(self->fd, &readfds);  in TEST_F()
265 	rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);  in TEST_F()
266 	ASSERT_NE(-1, rc);  in TEST_F()
270 	rc = ioctl(self->fd, RTC_AIE_OFF, 0);  in TEST_F()
271 	ASSERT_NE(-1, rc);  in TEST_F()
273 	rc = read(self->fd, &data, sizeof(unsigned long));  in TEST_F()
274 	ASSERT_NE(-1, rc);  in TEST_F()
277 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);  in TEST_F()
278 	ASSERT_NE(-1, rc);  in TEST_F()
294 	if (self->fd == -1 && errno == ENOENT)  in TEST_F()
295 		SKIP(return, "Skipping test since %s does not exist", rtc_file);  in TEST_F()
296 	ASSERT_NE(-1, self->fd);  in TEST_F()
298 	alarm_state = get_rtc_alarm_state(self->fd);  in TEST_F()
300 		SKIP(return, "Skipping test since alarms are not supported.");  in TEST_F()
302 	rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);  in TEST_F()
303 	ASSERT_NE(-1, rc);  in TEST_F()
310 	rc = ioctl(self->fd, RTC_WKALM_SET, &alarm);  in TEST_F()
311 	if (rc == -1) {  in TEST_F()
322 	rc = ioctl(self->fd, RTC_WKALM_RD, &alarm);  in TEST_F()
323 	ASSERT_NE(-1, rc);  in TEST_F()
331 	FD_SET(self->fd, &readfds);  in TEST_F()
333 	rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);  in TEST_F()
334 	ASSERT_NE(-1, rc);  in TEST_F()
337 	rc = read(self->fd, &data, sizeof(unsigned long));  in TEST_F()
338 	ASSERT_NE(-1, rc);  in TEST_F()
340 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);  in TEST_F()
341 	ASSERT_NE(-1, rc);  in TEST_F()
356 	if (self->fd == -1 && errno == ENOENT)
357 		SKIP(return, "Skipping test since %s does not exist", rtc_file);
358 	ASSERT_NE(-1, self->fd);
360 	alarm_state = get_rtc_alarm_state(self->fd);
362 		SKIP(return, "Skipping test since alarms are not supported.");
364 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);
365 	ASSERT_NE(-1, rc);
367 	secs = timegm((struct tm *)&tm) + 60 - tm.tm_sec;
370 	rc = ioctl(self->fd, RTC_ALM_SET, &tm);
371 	if (rc == -1) {
382 	rc = ioctl(self->fd, RTC_ALM_READ, &tm);
383 	ASSERT_NE(-1, rc);
389 	rc = ioctl(self->fd, RTC_AIE_ON, 0);
390 	ASSERT_NE(-1, rc);
393 	FD_SET(self->fd, &readfds);
395 	rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);
396 	ASSERT_NE(-1, rc);
400 	rc = ioctl(self->fd, RTC_AIE_OFF, 0);
401 	ASSERT_NE(-1, rc);
403 	rc = read(self->fd, &data, sizeof(unsigned long));
404 	ASSERT_NE(-1, rc);
407 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);
408 	ASSERT_NE(-1, rc);
424 	if (self->fd == -1 && errno == ENOENT)
425 		SKIP(return, "Skipping test since %s does not exist", rtc_file);
426 	ASSERT_NE(-1, self->fd);
428 	alarm_state = get_rtc_alarm_state(self->fd);
430 		SKIP(return, "Skipping test since alarms are not supported.");
432 	rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
433 	ASSERT_NE(-1, rc);
435 	secs = timegm((struct tm *)&alarm.time) + 60 - alarm.time.tm_sec;
440 	rc = ioctl(self->fd, RTC_WKALM_SET, &alarm);
441 	if (rc == -1) {
452 	rc = ioctl(self->fd, RTC_WKALM_RD, &alarm);
453 	ASSERT_NE(-1, rc);
461 	FD_SET(self->fd, &readfds);
463 	rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);
464 	ASSERT_NE(-1, rc);
467 	rc = read(self->fd, &data, sizeof(unsigned long));
468 	ASSERT_NE(-1, rc);
470 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);
471 	ASSERT_NE(-1, rc);
479 	int ret = -1;  in main()
492 	/* Run the test if rtc_file is accessible */  in main()
496 		ksft_exit_skip("[SKIP]: Cannot access rtc file %s - Exiting\n",  in main()