diff options
Diffstat (limited to 'tools/testing/selftests/rtc')
| -rw-r--r-- | tools/testing/selftests/rtc/.gitignore | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/rtc/Makefile | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/rtc/rtctest.c | 190 | ||||
| -rw-r--r-- | tools/testing/selftests/rtc/setdate.c | 77 | ||||
| -rw-r--r-- | tools/testing/selftests/rtc/settings | 2 |
5 files changed, 183 insertions, 91 deletions
diff --git a/tools/testing/selftests/rtc/.gitignore b/tools/testing/selftests/rtc/.gitignore index fb2d533aa575..a2afe7994e85 100644 --- a/tools/testing/selftests/rtc/.gitignore +++ b/tools/testing/selftests/rtc/.gitignore @@ -1,3 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only rtctest -setdate diff --git a/tools/testing/selftests/rtc/Makefile b/tools/testing/selftests/rtc/Makefile index 55198ecc04db..547c244a2ca5 100644 --- a/tools/testing/selftests/rtc/Makefile +++ b/tools/testing/selftests/rtc/Makefile @@ -1,11 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -O3 -Wl,-no-as-needed -Wall +CFLAGS += -O3 -Wl,-no-as-needed -Wall -I$(top_srcdir)/usr/include LDLIBS += -lrt -lpthread -lm TEST_GEN_PROGS = rtctest -TEST_GEN_PROGS_EXTENDED = setdate - TEST_FILES := settings include ../lib.mk diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c index 66af608fb4c6..be175c0e6ae3 100644 --- a/tools/testing/selftests/rtc/rtctest.c +++ b/tools/testing/selftests/rtc/rtctest.c @@ -20,16 +20,24 @@ #define NUM_UIE 3 #define ALARM_DELTA 3 +#define READ_LOOP_DURATION_SEC 30 +#define READ_LOOP_SLEEP_MS 11 static char *rtc_file = "/dev/rtc0"; +enum rtc_alarm_state { + RTC_ALARM_UNKNOWN, + RTC_ALARM_ENABLED, + RTC_ALARM_DISABLED, + RTC_ALARM_RES_MINUTE, +}; + FIXTURE(rtc) { int fd; }; FIXTURE_SETUP(rtc) { self->fd = open(rtc_file, O_RDONLY); - ASSERT_NE(-1, self->fd); } FIXTURE_TEARDOWN(rtc) { @@ -40,6 +48,10 @@ TEST_F(rtc, date_read) { int rc; struct rtc_time rtc_tm; + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + /* Read the RTC time/date */ rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm); ASSERT_NE(-1, rc); @@ -49,10 +61,104 @@ TEST_F(rtc, date_read) { rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec); } +static time_t rtc_time_to_timestamp(struct rtc_time *rtc_time) +{ + struct tm tm_time = { + .tm_sec = rtc_time->tm_sec, + .tm_min = rtc_time->tm_min, + .tm_hour = rtc_time->tm_hour, + .tm_mday = rtc_time->tm_mday, + .tm_mon = rtc_time->tm_mon, + .tm_year = rtc_time->tm_year, + }; + + return mktime(&tm_time); +} + +static void nanosleep_with_retries(long ns) +{ + struct timespec req = { + .tv_sec = 0, + .tv_nsec = ns, + }; + struct timespec rem; + + while (nanosleep(&req, &rem) != 0) { + req.tv_sec = rem.tv_sec; + req.tv_nsec = rem.tv_nsec; + } +} + +static enum rtc_alarm_state get_rtc_alarm_state(int fd, int need_seconds) +{ + struct rtc_param param = { 0 }; + int rc; + + /* Validate kernel reflects unsupported RTC alarm state */ + param.param = RTC_PARAM_FEATURES; + param.index = 0; + rc = ioctl(fd, RTC_PARAM_GET, ¶m); + if (rc < 0) + return RTC_ALARM_UNKNOWN; + + if ((param.uvalue & _BITUL(RTC_FEATURE_ALARM)) == 0) + return RTC_ALARM_DISABLED; + + /* Check if alarm has desired granularity */ + if (need_seconds && (param.uvalue & _BITUL(RTC_FEATURE_ALARM_RES_MINUTE))) + return RTC_ALARM_RES_MINUTE; + + return RTC_ALARM_ENABLED; +} + +TEST_F_TIMEOUT(rtc, date_read_loop, READ_LOOP_DURATION_SEC + 2) { + int rc; + long iter_count = 0; + struct rtc_time rtc_tm; + time_t start_rtc_read, prev_rtc_read; + + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + + TH_LOG("Continuously reading RTC time for %ds (with %dms breaks after every read).", + READ_LOOP_DURATION_SEC, READ_LOOP_SLEEP_MS); + + rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm); + ASSERT_NE(-1, rc); + start_rtc_read = rtc_time_to_timestamp(&rtc_tm); + prev_rtc_read = start_rtc_read; + + do { + time_t rtc_read; + + rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm); + ASSERT_NE(-1, rc); + + rtc_read = rtc_time_to_timestamp(&rtc_tm); + /* Time should not go backwards */ + ASSERT_LE(prev_rtc_read, rtc_read); + /* Time should not increase more then 1s at a time */ + ASSERT_GE(prev_rtc_read + 1, rtc_read); + + /* Sleep 11ms to avoid killing / overheating the RTC */ + nanosleep_with_retries(READ_LOOP_SLEEP_MS * 1000000); + + prev_rtc_read = rtc_read; + iter_count++; + } while (prev_rtc_read <= start_rtc_read + READ_LOOP_DURATION_SEC); + + TH_LOG("Performed %ld RTC time reads.", iter_count); +} + TEST_F_TIMEOUT(rtc, uie_read, NUM_UIE + 2) { int i, rc, irq = 0; unsigned long data; + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + /* Turn on update interrupts */ rc = ioctl(self->fd, RTC_UIE_ON, 0); if (rc == -1) { @@ -78,6 +184,10 @@ TEST_F(rtc, uie_select) { int i, rc, irq = 0; unsigned long data; + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + /* Turn on update interrupts */ rc = ioctl(self->fd, RTC_UIE_ON, 0); if (rc == -1) { @@ -116,6 +226,17 @@ TEST_F(rtc, alarm_alm_set) { fd_set readfds; time_t secs, new; int rc; + enum rtc_alarm_state alarm_state = RTC_ALARM_UNKNOWN; + + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + + alarm_state = get_rtc_alarm_state(self->fd, 1); + if (alarm_state == RTC_ALARM_DISABLED) + SKIP(return, "Skipping test since alarms are not supported."); + if (alarm_state == RTC_ALARM_RES_MINUTE) + SKIP(return, "Skipping test since alarms has only minute granularity."); rc = ioctl(self->fd, RTC_RD_TIME, &tm); ASSERT_NE(-1, rc); @@ -125,6 +246,11 @@ TEST_F(rtc, alarm_alm_set) { rc = ioctl(self->fd, RTC_ALM_SET, &tm); if (rc == -1) { + /* + * Report error if rtc alarm was enabled. Fallback to check ioctl + * error number if rtc alarm state is unknown. + */ + ASSERT_EQ(RTC_ALARM_UNKNOWN, alarm_state); ASSERT_EQ(EINVAL, errno); TH_LOG("skip alarms are not supported."); return; @@ -170,6 +296,17 @@ TEST_F(rtc, alarm_wkalm_set) { fd_set readfds; time_t secs, new; int rc; + enum rtc_alarm_state alarm_state = RTC_ALARM_UNKNOWN; + + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + + alarm_state = get_rtc_alarm_state(self->fd, 1); + if (alarm_state == RTC_ALARM_DISABLED) + SKIP(return, "Skipping test since alarms are not supported."); + if (alarm_state == RTC_ALARM_RES_MINUTE) + SKIP(return, "Skipping test since alarms has only minute granularity."); rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time); ASSERT_NE(-1, rc); @@ -181,6 +318,11 @@ TEST_F(rtc, alarm_wkalm_set) { rc = ioctl(self->fd, RTC_WKALM_SET, &alarm); if (rc == -1) { + /* + * Report error if rtc alarm was enabled. Fallback to check ioctl + * error number if rtc alarm state is unknown. + */ + ASSERT_EQ(RTC_ALARM_UNKNOWN, alarm_state); ASSERT_EQ(EINVAL, errno); TH_LOG("skip alarms are not supported."); return; @@ -218,6 +360,15 @@ TEST_F_TIMEOUT(rtc, alarm_alm_set_minute, 65) { fd_set readfds; time_t secs, new; int rc; + enum rtc_alarm_state alarm_state = RTC_ALARM_UNKNOWN; + + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + + alarm_state = get_rtc_alarm_state(self->fd, 0); + if (alarm_state == RTC_ALARM_DISABLED) + SKIP(return, "Skipping test since alarms are not supported."); rc = ioctl(self->fd, RTC_RD_TIME, &tm); ASSERT_NE(-1, rc); @@ -227,6 +378,11 @@ TEST_F_TIMEOUT(rtc, alarm_alm_set_minute, 65) { rc = ioctl(self->fd, RTC_ALM_SET, &tm); if (rc == -1) { + /* + * Report error if rtc alarm was enabled. Fallback to check ioctl + * error number if rtc alarm state is unknown. + */ + ASSERT_EQ(RTC_ALARM_UNKNOWN, alarm_state); ASSERT_EQ(EINVAL, errno); TH_LOG("skip alarms are not supported."); return; @@ -272,6 +428,15 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) { fd_set readfds; time_t secs, new; int rc; + enum rtc_alarm_state alarm_state = RTC_ALARM_UNKNOWN; + + if (self->fd == -1 && errno == ENOENT) + SKIP(return, "Skipping test since %s does not exist", rtc_file); + ASSERT_NE(-1, self->fd); + + alarm_state = get_rtc_alarm_state(self->fd, 0); + if (alarm_state == RTC_ALARM_DISABLED) + SKIP(return, "Skipping test since alarms are not supported."); rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time); ASSERT_NE(-1, rc); @@ -283,6 +448,11 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) { rc = ioctl(self->fd, RTC_WKALM_SET, &alarm); if (rc == -1) { + /* + * Report error if rtc alarm was enabled. Fallback to check ioctl + * error number if rtc alarm state is unknown. + */ + ASSERT_EQ(RTC_ALARM_UNKNOWN, alarm_state); ASSERT_EQ(EINVAL, errno); TH_LOG("skip alarms are not supported."); return; @@ -313,15 +483,10 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) { ASSERT_EQ(new, secs); } -static void __attribute__((constructor)) -__constructor_order_last(void) -{ - if (!__constructor_order) - __constructor_order = _CONSTRUCTOR_ORDER_BACKWARD; -} - int main(int argc, char **argv) { + int ret = -1; + switch (argc) { case 2: rtc_file = argv[1]; @@ -333,5 +498,12 @@ int main(int argc, char **argv) return 1; } - return test_harness_run(argc, argv); + /* Run the test if rtc_file is accessible */ + if (access(rtc_file, R_OK) == 0) + ret = test_harness_run(argc, argv); + else + ksft_exit_skip("[SKIP]: Cannot access rtc file %s - Exiting\n", + rtc_file); + + return ret; } diff --git a/tools/testing/selftests/rtc/setdate.c b/tools/testing/selftests/rtc/setdate.c deleted file mode 100644 index b303890b3de2..000000000000 --- a/tools/testing/selftests/rtc/setdate.c +++ /dev/null @@ -1,77 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* Real Time Clock Driver Test - * by: Benjamin Gaignard (benjamin.gaignard@linaro.org) - * - * To build - * gcc rtctest_setdate.c -o rtctest_setdate - */ - -#include <stdio.h> -#include <linux/rtc.h> -#include <sys/ioctl.h> -#include <sys/time.h> -#include <sys/types.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdlib.h> -#include <errno.h> - -static const char default_time[] = "00:00:00"; - -int main(int argc, char **argv) -{ - int fd, retval; - struct rtc_time new, current; - const char *rtc, *date; - const char *time = default_time; - - switch (argc) { - case 4: - time = argv[3]; - /* FALLTHROUGH */ - case 3: - date = argv[2]; - rtc = argv[1]; - break; - default: - fprintf(stderr, "usage: rtctest_setdate <rtcdev> <DD-MM-YYYY> [HH:MM:SS]\n"); - return 1; - } - - fd = open(rtc, O_RDONLY); - if (fd == -1) { - perror(rtc); - exit(errno); - } - - sscanf(date, "%d-%d-%d", &new.tm_mday, &new.tm_mon, &new.tm_year); - new.tm_mon -= 1; - new.tm_year -= 1900; - sscanf(time, "%d:%d:%d", &new.tm_hour, &new.tm_min, &new.tm_sec); - - fprintf(stderr, "Test will set RTC date/time to %d-%d-%d, %02d:%02d:%02d.\n", - new.tm_mday, new.tm_mon + 1, new.tm_year + 1900, - new.tm_hour, new.tm_min, new.tm_sec); - - /* Write the new date in RTC */ - retval = ioctl(fd, RTC_SET_TIME, &new); - if (retval == -1) { - perror("RTC_SET_TIME ioctl"); - close(fd); - exit(errno); - } - - /* Read back */ - retval = ioctl(fd, RTC_RD_TIME, ¤t); - if (retval == -1) { - perror("RTC_RD_TIME ioctl"); - exit(errno); - } - - fprintf(stderr, "\n\nCurrent RTC date/time is %d-%d-%d, %02d:%02d:%02d.\n", - current.tm_mday, current.tm_mon + 1, current.tm_year + 1900, - current.tm_hour, current.tm_min, current.tm_sec); - - close(fd); - return 0; -} diff --git a/tools/testing/selftests/rtc/settings b/tools/testing/selftests/rtc/settings index ba4d85f74cd6..0c1a2075d5f3 100644 --- a/tools/testing/selftests/rtc/settings +++ b/tools/testing/selftests/rtc/settings @@ -1 +1 @@ -timeout=90 +timeout=210 |