* @which_clock: clockid
* @tp: timespec to fill.
*
- * Provides the underlying alarm base time.
+ * Provides the underlying alarm base time in a tasks time namespace.
*/
static int alarm_clock_get_timespec(clockid_t which_clock, struct timespec64 *tp)
{
return 0;
}
+/**
+ * alarm_clock_get_ktime - posix clock_get_ktime interface
+ * @which_clock: clockid
+ *
+ * Provides the underlying alarm base time in the root namespace.
+ */
+static ktime_t alarm_clock_get_ktime(clockid_t which_clock)
+{
+ struct alarm_base *base = &alarm_bases[clock2alarm(which_clock)];
+
+ if (!alarmtimer_get_rtcdev())
+ return -EINVAL;
+
+ return base->get_ktime();
+}
+
/**
* alarm_timer_create - posix timer_create interface
* @new_timer: k_itimer pointer to manage
const struct k_clock alarm_clock = {
.clock_getres = alarm_clock_getres,
+ .clock_get_ktime = alarm_clock_get_ktime,
.clock_get_timespec = alarm_clock_get_timespec,
.timer_create = alarm_timer_create,
.timer_set = common_timer_set,
return 0;
}
+static ktime_t posix_get_realtime_ktime(clockid_t which_clock)
+{
+ return ktime_get_real();
+}
+
/* Set clock_realtime */
static int posix_clock_realtime_set(const clockid_t which_clock,
const struct timespec64 *tp)
return 0;
}
+static ktime_t posix_get_monotonic_ktime(clockid_t which_clock)
+{
+ return ktime_get();
+}
+
/*
* Get monotonic-raw time for posix timers
*/
return 0;
}
+static ktime_t posix_get_boottime_ktime(const clockid_t which_clock)
+{
+ return ktime_get_boottime();
+}
+
static int posix_get_tai_timespec(clockid_t which_clock, struct timespec64 *tp)
{
ktime_get_clocktai_ts64(tp);
return 0;
}
+static ktime_t posix_get_tai_ktime(clockid_t which_clock)
+{
+ return ktime_get_clocktai();
+}
+
static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec64 *tp)
{
tp->tv_sec = 0;
* Posix magic: Relative CLOCK_REALTIME timers are not affected by
* clock modifications, so they become CLOCK_MONOTONIC based under the
* hood. See hrtimer_init(). Update timr->kclock, so the generic
- * functions which use timr->kclock->clock_get_timespec() work.
+ * functions which use timr->kclock->clock_get_*() work.
*
* Note: it_clock stays unmodified, because the next timer_set() might
* use ABSTIME, so it needs to switch back.
static const struct k_clock clock_realtime = {
.clock_getres = posix_get_hrtimer_res,
.clock_get_timespec = posix_get_realtime_timespec,
+ .clock_get_ktime = posix_get_realtime_ktime,
.clock_set = posix_clock_realtime_set,
.clock_adj = posix_clock_realtime_adj,
.nsleep = common_nsleep,
static const struct k_clock clock_monotonic = {
.clock_getres = posix_get_hrtimer_res,
.clock_get_timespec = posix_get_monotonic_timespec,
+ .clock_get_ktime = posix_get_monotonic_ktime,
.nsleep = common_nsleep,
.timer_create = common_timer_create,
.timer_set = common_timer_set,
static const struct k_clock clock_tai = {
.clock_getres = posix_get_hrtimer_res,
+ .clock_get_ktime = posix_get_tai_ktime,
.clock_get_timespec = posix_get_tai_timespec,
.nsleep = common_nsleep,
.timer_create = common_timer_create,
static const struct k_clock clock_boottime = {
.clock_getres = posix_get_hrtimer_res,
+ .clock_get_ktime = posix_get_boottime_ktime,
.clock_get_timespec = posix_get_boottime_timespec,
.nsleep = common_nsleep,
.timer_create = common_timer_create,
struct timespec64 *tp);
int (*clock_set)(const clockid_t which_clock,
const struct timespec64 *tp);
+ /* Returns the clock value in the current time namespace. */
int (*clock_get_timespec)(const clockid_t which_clock,
struct timespec64 *tp);
+ /* Returns the clock value in the root time namespace. */
+ ktime_t (*clock_get_ktime)(const clockid_t which_clock);
int (*clock_adj)(const clockid_t which_clock, struct __kernel_timex *tx);
int (*timer_create)(struct k_itimer *timer);
int (*nsleep)(const clockid_t which_clock, int flags,