mts-io: add configurable reset-monitor-intervals

	add to mtr2d2 attribute list
	update sysfs script to correctly show options for reset-monitor-intervals

2 files changed, 41 insertions, 3 deletions

diff --git a/io-module/mtr2d2.c b/io-module/mtr2d2.c
index 7e44881..4876c90 100644
--- a/io-module/mtr2d2.c
+++ b/io-module/mtr2d2.c
@@ -274,6 +274,7 @@ static struct attribute *mtr2d2_platform_attributes[] = {
 	&dev_attr_eth_mac.attr,
 	&dev_attr_reset.attr,
 	&dev_attr_reset_monitor.attr,
+	&dev_attr_reset_monitor_intervals.attr,
 	&dev_attr_radio_power.attr,
 	&dev_attr_radio_reset.attr,
 
diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index 12650b1..8a2de67 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -110,6 +110,8 @@ bool sent_extra_long = false;
 static int reset_short_signal = SIGUSR1;
 static int reset_long_signal = SIGUSR2;
 static int reset_extra_long_signal = SIGHUP;
+static int reset_short_interval = RESET_HOLD_COUNT;
+static int reset_long_interval = RESET_LONG_HOLD_COUNT;
 
 static void reset_callback(struct work_struct *ignored);
 
@@ -137,16 +139,16 @@ static void reset_callback(struct work_struct *ignored)
 			reset_count++;
 		} else {
 			//Reset button has not been pressed
-			if (reset_count > 0 && reset_count < RESET_HOLD_COUNT) {
+			if (reset_count > 0 && reset_count < reset_short_interval) {
 				kill_pid(vpid, reset_short_signal, 1);
-			} else if (reset_count >= RESET_HOLD_COUNT && reset_count < RESET_LONG_HOLD_COUNT) {
+			} else if (reset_count >= reset_short_interval && reset_count < reset_long_interval) {
 				kill_pid(vpid, reset_long_signal, 1);
 			}
 
 			reset_count = 0;
 			sent_extra_long = false;
 		}
-		if (reset_count >= RESET_LONG_HOLD_COUNT && ! sent_extra_long) {
+		if (reset_count >= reset_long_interval && ! sent_extra_long) {
 			kill_pid(vpid, reset_extra_long_signal, 1);
 			sent_extra_long = true;
 		}
@@ -159,6 +161,41 @@ static void reset_callback(struct work_struct *ignored)
 	schedule_delayed_work(&reset_work, RESET_INTERVAL);
 }
 
+static ssize_t mts_attr_show_reset_monitor_intervals(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	mutex_lock(&mts_io_mutex);
+
+	ret = sprintf(buf, "%d %d\n", reset_short_interval / RESET_CHECK_PER_SEC, reset_long_interval / RESET_CHECK_PER_SEC);
+
+	mutex_unlock(&mts_io_mutex);
+
+	return ret;
+}
+
+static ssize_t mts_attr_store_reset_monitor_intervals(struct device *dev, struct device_attribute *attr, char *buf, size_t count)
+{
+	int short_int;
+	int long_int;
+
+	if (sscanf(buf, "%i %i", &short_int, &long_int) != 2) {
+		return -EINVAL;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	reset_short_interval = short_int * RESET_CHECK_PER_SEC;
+	reset_long_interval = long_int * RESET_CHECK_PER_SEC;
+
+	mutex_unlock(&mts_io_mutex);
+
+	return count;
+}
+
+static DEVICE_ATTR_MTS(dev_attr_reset_monitor_intervals, "reset-monitor-intervals",
+	mts_attr_show_reset_monitor_intervals, mts_attr_store_reset_monitor_intervals);
+
 static ssize_t mts_attr_show_reset_monitor(struct device *dev,
 			struct device_attribute *attr,
 			char *buf)