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watchdog: Support auto monitor keep alive from oneshot lowerhalf

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-09-18 12:08:13 +08:00 committed by Petro Karashchenko
parent 1eefec4db3
commit 03f45a124a
3 changed files with 63 additions and 12 deletions
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4
drivers/timers/Kconfig
View File

@ -371,6 +371,10 @@ choice
config WATCHDOG_AUTOMONITOR_BY_CAPTURE
bool "Capture callback"
config WATCHDOG_AUTOMONITOR_BY_ONESHOT
bool "Oneshot callback"
depends on ONESHOT
config WATCHDOG_AUTOMONITOR_BY_TIMER
bool "Timer callback"
depends on TIMER

64
drivers/timers/watchdog.c
View File

@ -40,6 +40,7 @@
#include <nuttx/semaphore.h>
#include <nuttx/wdog.h>
#include <nuttx/wqueue.h>
#include <nuttx/timers/oneshot.h>
#include <nuttx/timers/timer.h>
#include <nuttx/timers/watchdog.h>
@ -76,16 +77,18 @@
struct watchdog_upperhalf_s
{
#ifdef CONFIG_WATCHDOG_AUTOMONITOR
# if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
FAR struct timer_lowerhalf_s *timer;
# if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
FAR struct oneshot_lowerhalf_s *oneshot;
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
FAR struct timer_lowerhalf_s *timer;
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_WDOG)
struct wdog_s wdog;
struct wdog_s wdog;
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_WORKER)
struct work_s work;
struct work_s work;
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_IDLE)
struct pm_callback_s idle;
struct pm_callback_s idle;
# endif
bool monitor;
bool monitor;
#endif
uint8_t crefs; /* The number of times the device has been opened */
@ -146,6 +149,25 @@ static int watchdog_automonitor_capture(int irq, FAR void *context,
return 0;
}
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
static void
watchdog_automonitor_oneshot(FAR struct oneshot_lowerhalf_s *oneshot,
FAR void *arg)
{
FAR struct watchdog_upperhalf_s *upper = arg;
FAR struct watchdog_lowerhalf_s *lower = upper->lower;
if (upper->monitor)
{
struct timespec ts =
{
WATCHDOG_AUTOMONITOR_PING_INTERVAL, 0
};
lower->ops->keepalive(lower);
ONESHOT_START(oneshot, watchdog_automonitor_oneshot, upper, &ts);
}
}
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
static bool watchdog_automonitor_timer(FAR uint32_t *next_interval_us,
FAR void *arg)
@ -202,7 +224,11 @@ static void watchdog_automonitor_idle(FAR struct pm_callback_s *cb,
#endif
#ifdef CONFIG_WATCHDOG_AUTOMONITOR
# if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
# if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
static void
watchdog_automonitor_start(FAR struct watchdog_upperhalf_s *upper,
FAR struct oneshot_lowerhalf_s *oneshot)
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
static void
watchdog_automonitor_start(FAR struct watchdog_upperhalf_s *upper,
FAR struct timer_lowerhalf_s *timer)
@ -215,10 +241,17 @@ watchdog_automonitor_start(FAR struct watchdog_upperhalf_s *upper)
if (!upper->monitor)
{
upper->monitor = true;
# if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_CAPTURE)
lower->ops->capture(lower, watchdog_automonitor_capture);
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
struct timespec ts =
{
WATCHDOG_AUTOMONITOR_PING_INTERVAL, 0
};
upper->oneshot = oneshot;
ONESHOT_START(oneshot, watchdog_automonitor_oneshot, upper, &ts);
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
upper->timer = timer;
timer->ops->setcallback(timer, watchdog_automonitor_timer, upper);
timer->ops->settimeout(timer, WATCHDOG_AUTOMONITOR_PING_INTERVAL_MSEC);
@ -233,6 +266,7 @@ watchdog_automonitor_start(FAR struct watchdog_upperhalf_s *upper)
upper->idle.notify = watchdog_automonitor_idle;
pm_register(&upper->idle);
# endif
upper->monitor = true;
if (lower->ops->settimeout)
{
lower->ops->settimeout(lower, WATCHDOG_AUTOMONITOR_TIMEOUT_MSEC);
@ -252,6 +286,8 @@ static void watchdog_automonitor_stop(FAR struct watchdog_upperhalf_s *upper)
lower->ops->stop(lower);
# if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_CAPTURE)
lower->ops->capture(lower, NULL);
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
ONESHOT_CANCEL(upper->oneshot, NULL);
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
upper->timer->ops->stop(upper->timer);
# elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_WDOG)
@ -622,7 +658,11 @@ static int wdog_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
*
****************************************************************************/
#if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
#if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
FAR void *watchdog_register(FAR const char *path,
FAR struct watchdog_lowerhalf_s *lower,
FAR struct oneshot_lowerhalf_s *oneshot)
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
FAR void *watchdog_register(FAR const char *path,
FAR struct watchdog_lowerhalf_s *lower,
FAR struct timer_lowerhalf_s *timer)
@ -672,7 +712,9 @@ FAR void *watchdog_register(FAR const char *path,
goto errout_with_path;
}
#if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
#if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
watchdog_automonitor_start(upper, oneshot);
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
watchdog_automonitor_start(upper, timer);
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR)
watchdog_automonitor_start(upper);

7
include/nuttx/timers/watchdog.h
View File

@ -224,7 +224,12 @@ extern "C"
*
****************************************************************************/
#if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
#if defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_ONESHOT)
struct oneshot_lowerhalf_s;
FAR void *watchdog_register(FAR const char *path,
FAR struct watchdog_lowerhalf_s *lower,
FAR struct oneshot_lowerhalf_s *oneshot);
#elif defined(CONFIG_WATCHDOG_AUTOMONITOR_BY_TIMER)
struct timer_lowerhalf_s;
FAR void *watchdog_register(FAR const char *path,
FAR struct watchdog_lowerhalf_s *lower,