3 files changed, 48 insertions, 0 deletions
diff --git a/modules.d/04watchdog/module-setup.sh b/modules.d/04watchdog/module-setup.sh
new file mode 100755
index 0000000..e9ce878
--- /dev/null
+++ b/modules.d/04watchdog/module-setup.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# called by dracut
+check() {
+    return 255
+}
+
+# called by dracut
+depends() {
+    echo watchdog-modules
+    return 0
+}
+
+# called by dracut
+install() {
+    # Do not add watchdog hooks if systemd module is included
+    # In that case, systemd will manage watchdog kick
+    if ! dracut_module_included "systemd"; then
+        inst_hook cmdline 00 "$moddir/watchdog.sh"
+        inst_hook cmdline 50 "$moddir/watchdog.sh"
+        inst_hook pre-trigger 00 "$moddir/watchdog.sh"
+        inst_hook initqueue 00 "$moddir/watchdog.sh"
+        inst_hook mount 00 "$moddir/watchdog.sh"
+        inst_hook mount 50 "$moddir/watchdog.sh"
+        inst_hook mount 99 "$moddir/watchdog.sh"
+        inst_hook pre-pivot 00 "$moddir/watchdog.sh"
+        inst_hook pre-pivot 99 "$moddir/watchdog.sh"
+        inst_hook cleanup 00 "$moddir/watchdog.sh"
+        inst_hook cleanup 99 "$moddir/watchdog.sh"
+    fi
+
+    inst_hook emergency 02 "$moddir/watchdog-stop.sh"
+    inst_multiple -o wdctl
+}
diff --git a/modules.d/04watchdog/watchdog-stop.sh b/modules.d/04watchdog/watchdog-stop.sh
new file mode 100755
index 0000000..921f969
--- /dev/null
+++ b/modules.d/04watchdog/watchdog-stop.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+[ -c /dev/watchdog ] && printf 'V' > /dev/watchdog
diff --git a/modules.d/04watchdog/watchdog.sh b/modules.d/04watchdog/watchdog.sh
new file mode 100755
index 0000000..22919ee
--- /dev/null
+++ b/modules.d/04watchdog/watchdog.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+if [ -e /dev/watchdog ]; then
+    if [ ! -e /tmp/watchdog_timeout ]; then
+        wdctl -s 60 /dev/watchdog > /dev/null 2>&1
+        : > /tmp/watchdog_timeout
+    fi
+    info "Triggering watchdog"
+    : > /dev/watchdog
+else
+    modprobe ib700wdt
+    modprobe i6300esb
+fi