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[libvirt] [PATCH 11/13] Add support for an explicit watchdog event



This introduces a new event type

   VIR_DOMAIN_EVENT_ID_WATCHDOG

This event includes the action that is about to be taken
as a result of the watchdog triggering

 typedef enum {
     VIR_DOMAIN_EVENT_WATCHDOG_NONE = 0,
     VIR_DOMAIN_EVENT_WATCHDOG_PAUSE,
     VIR_DOMAIN_EVENT_WATCHDOG_RESET,
     VIR_DOMAIN_EVENT_WATCHDOG_POWEROFF,
     VIR_DOMAIN_EVENT_WATCHDOG_SHUTDOWN,
     VIR_DOMAIN_EVENT_WATCHDOG_DEBUG,
 } virDomainEventWatchdogAction;

Thus there is a new callback definition for this event type

 typedef void (*virConnectDomainEventWatchdogCallback)(virConnectPtr conn,
                                                       virDomainPtr dom,
                                                       int action,
                                                       void *opaque);

* daemon/remote.c: Dispatch watchdog events to client
* examples/domain-events/events-c/event-test.c: Watch for
  watchdog events
* include/libvirt/libvirt.h.in: Define new watchdg event ID
  and callback signature
* src/conf/domain_event.c, src/conf/domain_event.h,
  src/libvirt_private.syms: Extend API to handle watchdog events
* src/qemu/qemu_driver.c: Connect to the QEMU monitor event
  for watchdogs and emit a libvirt watchdog event
* src/remote/remote_driver.c: Receive and dispatch watchdog
  events to application
* src/remote/remote_protocol.x: Wire protocol definition for
  watchdog events
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h,
  src/qemu/qemu_monitor_json.c: Watch for WATCHDOG event
  from QEMU monitor
---
 daemon/remote.c                              |   31 +++++++++++++++++++++++
 daemon/remote_dispatch_table.h               |    5 ++++
 examples/domain-events/events-c/event-test.c |   22 +++++++++++++++-
 include/libvirt/libvirt.h.in                 |   13 ++++++++++
 src/conf/domain_event.c                      |   34 ++++++++++++++++++++++++++
 src/conf/domain_event.h                      |    3 ++
 src/libvirt_private.syms                     |    2 +
 src/qemu/qemu_driver.c                       |   23 +++++++++++++++++
 src/qemu/qemu_monitor.c                      |   15 +++++++++++
 src/qemu/qemu_monitor.h                      |    4 +++
 src/qemu/qemu_monitor_json.c                 |   24 ++++++++++++++++++
 src/remote/remote_driver.c                   |   31 +++++++++++++++++++++++
 src/remote/remote_protocol.c                 |   13 +++++++++-
 src/remote/remote_protocol.h                 |   11 +++++++-
 src/remote/remote_protocol.x                 |    8 +++++-
 15 files changed, 234 insertions(+), 5 deletions(-)

diff --git a/daemon/remote.c b/daemon/remote.c
index ac62f43..b1562b6 100644
--- a/daemon/remote.c
+++ b/daemon/remote.c
@@ -187,10 +187,41 @@ static int remoteRelayDomainEventRTCChange(virConnectPtr conn ATTRIBUTE_UNUSED,
 }
 
 
+static int remoteRelayDomainEventWatchdog(virConnectPtr conn ATTRIBUTE_UNUSED,
+                                          virDomainPtr dom,
+                                          int action,
+                                          void *opaque)
+{
+    struct qemud_client *client = opaque;
+    remote_domain_event_watchdog_msg data;
+
+    if (!client)
+        return -1;
+
+    REMOTE_DEBUG("Relaying domain watchdog event %s %d %d", dom->name, dom->id, action);
+
+    virMutexLock(&client->lock);
+
+    /* build return data */
+    memset(&data, 0, sizeof data);
+    make_nonnull_domain (&data.dom, dom);
+    data.action = action;
+
+    remoteDispatchDomainEventSend (client,
+                                   REMOTE_PROC_DOMAIN_EVENT_WATCHDOG,
+                                   (xdrproc_t)xdr_remote_domain_event_watchdog_msg, &data);
+
+    virMutexUnlock(&client->lock);
+
+    return 0;
+}
+
+
 static virConnectDomainEventGenericCallback domainEventCallbacks[] = {
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle),
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventReboot),
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventRTCChange),
+    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventWatchdog),
 };
 
 verify(ARRAY_CARDINALITY(domainEventCallbacks) == VIR_DOMAIN_EVENT_ID_LAST);
diff --git a/daemon/remote_dispatch_table.h b/daemon/remote_dispatch_table.h
index e5cc724..11520b9 100644
--- a/daemon/remote_dispatch_table.h
+++ b/daemon/remote_dispatch_table.h
@@ -847,3 +847,8 @@
     .args_filter = (xdrproc_t) xdr_void,
     .ret_filter = (xdrproc_t) xdr_void,
 },
+{   /* Async event DomainEventWatchdog => 169 */
+    .fn = NULL,
+    .args_filter = (xdrproc_t) xdr_void,
+    .ret_filter = (xdrproc_t) xdr_void,
+},
diff --git a/examples/domain-events/events-c/event-test.c b/examples/domain-events/events-c/event-test.c
index 97b37de..997af63 100644
--- a/examples/domain-events/events-c/event-test.c
+++ b/examples/domain-events/events-c/event-test.c
@@ -193,6 +193,17 @@ static int myDomainEventRTCChangeCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
     return 0;
 }
 
+static int myDomainEventWatchdogCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
+                                         virDomainPtr dom,
+                                         int action,
+                                         void *opaque ATTRIBUTE_UNUSED)
+{
+    printf("%s EVENT: Domain %s(%d) watchdog action=%d\n", __func__, virDomainGetName(dom),
+           virDomainGetID(dom), action);
+
+    return 0;
+}
+
 static void myFreeFunc(void *opaque)
 {
     char *str = opaque;
@@ -312,6 +323,7 @@ int main(int argc, char **argv)
     int callback2ret = -1;
     int callback3ret = -1;
     int callback4ret = -1;
+    int callback5ret = -1;
 
     struct sigaction action_stop = {
         .sa_handler = stop
@@ -359,11 +371,17 @@ int main(int argc, char **argv)
                                                     VIR_DOMAIN_EVENT_ID_RTC_CHANGE,
                                                     VIR_DOMAIN_EVENT_CALLBACK(myDomainEventRTCChangeCallback),
                                                     strdup("callback rtcchange"), myFreeFunc);
+    callback5ret = virConnectDomainEventRegisterAny(dconn,
+                                                    NULL,
+                                                    VIR_DOMAIN_EVENT_ID_WATCHDOG,
+                                                    VIR_DOMAIN_EVENT_CALLBACK(myDomainEventWatchdogCallback),
+                                                    strdup("callback watchdog"), myFreeFunc);
 
     if ((callback1ret != -1) &&
         (callback2ret != -1) &&
         (callback3ret != -1) &&
-        (callback4ret != -1)) {
+        (callback4ret != -1) &&
+        (callback5ret != -1)) {
         while(run) {
             struct pollfd pfd = { .fd = h_fd,
                               .events = h_event,
@@ -403,7 +421,7 @@ int main(int argc, char **argv)
         virConnectDomainEventDeregisterAny(dconn, callback2ret);
         virConnectDomainEventDeregisterAny(dconn, callback3ret);
         virConnectDomainEventDeregisterAny(dconn, callback4ret);
-
+        virConnectDomainEventDeregisterAny(dconn, callback5ret);
     }
 
     DEBUG0("Closing connection");
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index edb0a6e..7bee89c 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -1846,6 +1846,18 @@ typedef void (*virConnectDomainEventRTCChangeCallback)(virConnectPtr conn,
                                                        virDomainPtr dom,
                                                        long long utcoffset,
                                                        void *opaque);
+typedef enum {
+    VIR_DOMAIN_EVENT_WATCHDOG_NONE = 0,
+    VIR_DOMAIN_EVENT_WATCHDOG_PAUSE,
+    VIR_DOMAIN_EVENT_WATCHDOG_RESET,
+    VIR_DOMAIN_EVENT_WATCHDOG_POWEROFF,
+    VIR_DOMAIN_EVENT_WATCHDOG_SHUTDOWN,
+    VIR_DOMAIN_EVENT_WATCHDOG_DEBUG,
+} virDomainEventWatchdogAction;
+typedef void (*virConnectDomainEventWatchdogCallback)(virConnectPtr conn,
+                                                      virDomainPtr dom,
+                                                      int action,
+                                                      void *opaque);
 
 /* Use this to cast the event specific callback into the generic one
  * for use for virDomainEventRegister */
@@ -1856,6 +1868,7 @@ typedef enum {
     VIR_DOMAIN_EVENT_ID_LIFECYCLE = 0,       /* virConnectDomainEventCallback */
     VIR_DOMAIN_EVENT_ID_REBOOT = 1,          /* virConnectDomainEventGenericCallback */
     VIR_DOMAIN_EVENT_ID_RTC_CHANGE = 2,      /* virConnectDomainEventRTCChangeCallback */
+    VIR_DOMAIN_EVENT_ID_WATCHDOG = 3,        /* virConnectDomainEventWatchdogCallback */
 
     /*
      * NB: this enum value will increase over time as new events are
diff --git a/src/conf/domain_event.c b/src/conf/domain_event.c
index 79dfbac..4482599 100644
--- a/src/conf/domain_event.c
+++ b/src/conf/domain_event.c
@@ -67,6 +67,9 @@ struct _virDomainEvent {
         struct {
             long long offset;
         } rtcChange;
+        struct {
+            int action;
+        } watchdog;
     } data;
 };
 
@@ -562,6 +565,31 @@ virDomainEventPtr virDomainEventRTCChangeNewFromObj(virDomainObjPtr obj,
     return ev;
 }
 
+virDomainEventPtr virDomainEventWatchdogNewFromDom(virDomainPtr dom,
+                                                   int action)
+{
+    virDomainEventPtr ev =
+        virDomainEventNewInternal(VIR_DOMAIN_EVENT_ID_WATCHDOG,
+                                  dom->id, dom->name, dom->uuid);
+
+    if (ev)
+        ev->data.watchdog.action = action;
+
+    return ev;
+}
+virDomainEventPtr virDomainEventWatchdogNewFromObj(virDomainObjPtr obj,
+                                                   int action)
+{
+    virDomainEventPtr ev =
+        virDomainEventNewInternal(VIR_DOMAIN_EVENT_ID_WATCHDOG,
+                                  obj->def->id, obj->def->name, obj->def->uuid);
+
+    if (ev)
+        ev->data.watchdog.action = action;
+
+    return ev;
+}
+
 /**
  * virDomainEventQueueFree:
  * @queue: pointer to the queue
@@ -678,6 +706,12 @@ void virDomainEventDispatchDefaultFunc(virConnectPtr conn,
                                                      cbopaque);
         break;
 
+    case VIR_DOMAIN_EVENT_ID_WATCHDOG:
+        ((virConnectDomainEventWatchdogCallback)cb)(conn, dom,
+                                                    event->data.watchdog.action,
+                                                    cbopaque);
+        break;
+
     default:
         VIR_WARN("Unexpected event ID %d", event->eventID);
         break;
diff --git a/src/conf/domain_event.h b/src/conf/domain_event.h
index 8517ffe..b791614 100644
--- a/src/conf/domain_event.h
+++ b/src/conf/domain_event.h
@@ -118,6 +118,9 @@ virDomainEventPtr virDomainEventRebootNewFromObj(virDomainObjPtr obj);
 virDomainEventPtr virDomainEventRTCChangeNewFromDom(virDomainPtr dom, long long offset);
 virDomainEventPtr virDomainEventRTCChangeNewFromObj(virDomainObjPtr obj, long long offset);
 
+virDomainEventPtr virDomainEventWatchdogNewFromDom(virDomainPtr dom, int action);
+virDomainEventPtr virDomainEventWatchdogNewFromObj(virDomainObjPtr obj, int action);
+
 int virDomainEventQueuePush(virDomainEventQueuePtr evtQueue,
                             virDomainEventPtr event);
 
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 582a98e..17902b1 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -218,6 +218,8 @@ virDomainEventRebootNewFromDom;
 virDomainEventRebootNewFromObj;
 virDomainEventRTCChangeNewFromDom;
 virDomainEventRTCChangeNewFromObj;
+virDomainEventWatchdogNewFromDom;
+virDomainEventWatchdogNewFromObj;
 virDomainEventFree;
 virDomainEventDispatchDefaultFunc;
 virDomainEventDispatch;
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index a5cf246..ceba5db 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -906,11 +906,34 @@ qemuHandleDomainRTCChange(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
 }
 
 
+static int
+qemuHandleDomainWatchdog(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
+                         virDomainObjPtr vm,
+                         int action)
+{
+    struct qemud_driver *driver = qemu_driver;
+    virDomainEventPtr event;
+
+    virDomainObjLock(vm);
+    event = virDomainEventWatchdogNewFromObj(vm, action);
+    virDomainObjUnlock(vm);
+
+    if (event) {
+        qemuDriverLock(driver);
+        qemuDomainEventQueue(driver, event);
+        qemuDriverUnlock(driver);
+    }
+
+    return 0;
+}
+
+
 static qemuMonitorCallbacks monitorCallbacks = {
     .eofNotify = qemuHandleMonitorEOF,
     .diskSecretLookup = findVolumeQcowPassphrase,
     .domainReset = qemuHandleDomainReset,
     .domainRTCChange = qemuHandleDomainRTCChange,
+    .domainWatchdog = qemuHandleDomainWatchdog,
 };
 
 static int
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index c0e2384..d7116c9 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -806,6 +806,21 @@ int qemuMonitorEmitRTCChange(qemuMonitorPtr mon, long long offset)
 }
 
 
+int qemuMonitorEmitWatchdog(qemuMonitorPtr mon, int action)
+{
+    int ret = -1;
+    VIR_DEBUG("mon=%p", mon);
+
+    qemuMonitorRef(mon);
+    qemuMonitorUnlock(mon);
+    if (mon->cb && mon->cb->domainWatchdog)
+        ret = mon->cb->domainWatchdog(mon, mon->vm, action);
+    qemuMonitorLock(mon);
+    qemuMonitorUnref(mon);
+    return ret;
+}
+
+
 int qemuMonitorSetCapabilities(qemuMonitorPtr mon)
 {
     int ret;
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 86d6b87..3558dba 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -89,6 +89,9 @@ struct _qemuMonitorCallbacks {
     int (*domainRTCChange)(qemuMonitorPtr mon,
                            virDomainObjPtr vm,
                            long long offset);
+    int (*domainWatchdog)(qemuMonitorPtr mon,
+                          virDomainObjPtr vm,
+                          int action);
 };
 
 
@@ -126,6 +129,7 @@ int qemuMonitorEmitReset(qemuMonitorPtr mon);
 int qemuMonitorEmitPowerdown(qemuMonitorPtr mon);
 int qemuMonitorEmitStop(qemuMonitorPtr mon);
 int qemuMonitorEmitRTCChange(qemuMonitorPtr mon, long long offset);
+int qemuMonitorEmitWatchdog(qemuMonitorPtr mon, int action);
 
 int qemuMonitorStartCPUs(qemuMonitorPtr mon,
                          virConnectPtr conn);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index ce7796a..d7fbf38 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -50,6 +50,7 @@ static void qemuMonitorJSONHandleReset(qemuMonitorPtr mon, virJSONValuePtr data)
 static void qemuMonitorJSONHandlePowerdown(qemuMonitorPtr mon, virJSONValuePtr data);
 static void qemuMonitorJSONHandleStop(qemuMonitorPtr mon, virJSONValuePtr data);
 static void qemuMonitorJSONHandleRTCChange(qemuMonitorPtr mon, virJSONValuePtr data);
+static void qemuMonitorJSONHandleWatchdog(qemuMonitorPtr mon, virJSONValuePtr data);
 
 struct {
     const char *type;
@@ -60,6 +61,7 @@ struct {
     { "POWERDOWN", qemuMonitorJSONHandlePowerdown, },
     { "STOP", qemuMonitorJSONHandleStop, },
     { "RTC_CHANGE", qemuMonitorJSONHandleRTCChange, },
+    { "WATCHDOG", qemuMonitorJSONHandleWatchdog, },
 };
 
 
@@ -507,6 +509,28 @@ static void qemuMonitorJSONHandleRTCChange(qemuMonitorPtr mon, virJSONValuePtr d
     qemuMonitorEmitRTCChange(mon, offset);
 }
 
+VIR_ENUM_DECL(qemuMonitorWatchdogAction)
+VIR_ENUM_IMPL(qemuMonitorWatchdogAction, VIR_DOMAIN_EVENT_WATCHDOG_DEBUG,
+              "none", "pause", "reset", "poweroff" "shutdown", "debug");
+
+static void qemuMonitorJSONHandleWatchdog(qemuMonitorPtr mon, virJSONValuePtr data)
+{
+    const char *action;
+    int actionID;
+    if (!(action = virJSONValueObjectGetString(data, "action"))) {
+        VIR_WARN0("missing action in watchdog event");
+    }
+    if (action) {
+        if ((actionID = qemuMonitorWatchdogActionTypeFromString(action)) < 0) {
+            VIR_WARN("unknown action %s in watchdog event", action);
+            actionID = VIR_DOMAIN_EVENT_WATCHDOG_NONE;
+        }
+    } else {
+            actionID = VIR_DOMAIN_EVENT_WATCHDOG_NONE;
+    }
+    qemuMonitorEmitRTCChange(mon, actionID);
+}
+
 
 int
 qemuMonitorJSONSetCapabilities(qemuMonitorPtr mon)
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index afaa26c..8652083 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -6941,6 +6941,33 @@ remoteDomainReadEventRTCChange(virConnectPtr conn, XDR *xdr)
 }
 
 
+static virDomainEventPtr
+remoteDomainReadEventWatchdog(virConnectPtr conn, XDR *xdr)
+{
+    remote_domain_event_watchdog_msg msg;
+    virDomainPtr dom;
+    virDomainEventPtr event = NULL;
+    memset (&msg, 0, sizeof msg);
+
+    /* unmarshall parameters, and process it*/
+    if (! xdr_remote_domain_event_watchdog_msg(xdr, &msg) ) {
+        error (conn, VIR_ERR_RPC,
+               _("unable to demarshall reboot event"));
+        return NULL;
+    }
+
+    dom = get_nonnull_domain(conn,msg.dom);
+    if (!dom)
+        return NULL;
+
+    event = virDomainEventWatchdogNewFromDom(dom, msg.action);
+    xdr_free ((xdrproc_t) &xdr_remote_domain_event_watchdog_msg, (char *) &msg);
+
+    virDomainFree(dom);
+    return event;
+}
+
+
 static virDrvOpenStatus ATTRIBUTE_NONNULL (1)
 remoteSecretOpen (virConnectPtr conn,
                   virConnectAuthPtr auth,
@@ -8462,6 +8489,10 @@ processCallDispatchMessage(virConnectPtr conn, struct private_data *priv,
         event = remoteDomainReadEventRTCChange(conn, xdr);
         break;
 
+    case REMOTE_PROC_DOMAIN_EVENT_WATCHDOG:
+        event = remoteDomainReadEventWatchdog(conn, xdr);
+        break;
+
     default:
         DEBUG("Unexpected event proc %d", hdr->proc);
         break;
diff --git a/src/remote/remote_protocol.c b/src/remote/remote_protocol.c
index f78bea0..8a6c353 100644
--- a/src/remote/remote_protocol.c
+++ b/src/remote/remote_protocol.c
@@ -3041,7 +3041,18 @@ xdr_remote_domain_event_rtc_change_msg (XDR *xdrs, remote_domain_event_rtc_chang
 
          if (!xdr_remote_nonnull_domain (xdrs, &objp->dom))
                  return FALSE;
-         if (!xdr_uint64_t (xdrs, &objp->offset))
+         if (!xdr_int64_t (xdrs, &objp->offset))
+                 return FALSE;
+        return TRUE;
+}
+
+bool_t
+xdr_remote_domain_event_watchdog_msg (XDR *xdrs, remote_domain_event_watchdog_msg *objp)
+{
+
+         if (!xdr_remote_nonnull_domain (xdrs, &objp->dom))
+                 return FALSE;
+         if (!xdr_int (xdrs, &objp->action))
                  return FALSE;
         return TRUE;
 }
diff --git a/src/remote/remote_protocol.h b/src/remote/remote_protocol.h
index 4afd5f3..f68989f 100644
--- a/src/remote/remote_protocol.h
+++ b/src/remote/remote_protocol.h
@@ -1722,9 +1722,15 @@ typedef struct remote_domain_event_reboot_msg remote_domain_event_reboot_msg;
 
 struct remote_domain_event_rtc_change_msg {
         remote_nonnull_domain dom;
-        uint64_t offset;
+        int64_t offset;
 };
 typedef struct remote_domain_event_rtc_change_msg remote_domain_event_rtc_change_msg;
+
+struct remote_domain_event_watchdog_msg {
+        remote_nonnull_domain dom;
+        int action;
+};
+typedef struct remote_domain_event_watchdog_msg remote_domain_event_watchdog_msg;
 #define REMOTE_PROGRAM 0x20008086
 #define REMOTE_PROTOCOL_VERSION 1
 
@@ -1897,6 +1903,7 @@ enum remote_procedure {
         REMOTE_PROC_DOMAIN_EVENTS_DEREGISTER_ANY = 166,
         REMOTE_PROC_DOMAIN_EVENT_REBOOT = 167,
         REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE = 168,
+        REMOTE_PROC_DOMAIN_EVENT_WATCHDOG = 169,
 };
 typedef enum remote_procedure remote_procedure;
 
@@ -2210,6 +2217,7 @@ extern  bool_t xdr_remote_domain_events_register_any_args (XDR *, remote_domain_
 extern  bool_t xdr_remote_domain_events_deregister_any_args (XDR *, remote_domain_events_deregister_any_args*);
 extern  bool_t xdr_remote_domain_event_reboot_msg (XDR *, remote_domain_event_reboot_msg*);
 extern  bool_t xdr_remote_domain_event_rtc_change_msg (XDR *, remote_domain_event_rtc_change_msg*);
+extern  bool_t xdr_remote_domain_event_watchdog_msg (XDR *, remote_domain_event_watchdog_msg*);
 extern  bool_t xdr_remote_procedure (XDR *, remote_procedure*);
 extern  bool_t xdr_remote_message_type (XDR *, remote_message_type*);
 extern  bool_t xdr_remote_message_status (XDR *, remote_message_status*);
@@ -2497,6 +2505,7 @@ extern bool_t xdr_remote_domain_events_register_any_args ();
 extern bool_t xdr_remote_domain_events_deregister_any_args ();
 extern bool_t xdr_remote_domain_event_reboot_msg ();
 extern bool_t xdr_remote_domain_event_rtc_change_msg ();
+extern bool_t xdr_remote_domain_event_watchdog_msg ();
 extern bool_t xdr_remote_procedure ();
 extern bool_t xdr_remote_message_type ();
 extern bool_t xdr_remote_message_status ();
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 0e0d59a..f793968 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -1534,6 +1534,11 @@ struct remote_domain_event_rtc_change_msg {
     hyper offset;
 };
 
+struct remote_domain_event_watchdog_msg {
+    remote_nonnull_domain dom;
+    int action;
+};
+
 /*----- Protocol. -----*/
 
 /* Define the program number, protocol version and procedure numbers here. */
@@ -1724,7 +1729,8 @@ enum remote_procedure {
     REMOTE_PROC_DOMAIN_EVENTS_REGISTER_ANY = 165,
     REMOTE_PROC_DOMAIN_EVENTS_DEREGISTER_ANY = 166,
     REMOTE_PROC_DOMAIN_EVENT_REBOOT = 167,
-    REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE = 168
+    REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE = 168,
+    REMOTE_PROC_DOMAIN_EVENT_WATCHDOG = 169
 
     /*
      * Notice how the entries are grouped in sets of 10 ?
-- 
1.6.6.1


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