[PATCH v3 1/2] libvirt: support memory failure event

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Introduce memory failure event. Libvirt should monitor domain's
event, then posts it to uplayer. According to the hardware memory
corrupted message, a cloud scheduler could migrate domain to another
health physical server.

Several changes in this patch:
public API:
    include/*
    src/conf/*
    src/remote/*
    src/remote_protocol-structs

client:
    examples/c/misc/event-test.c
    tools/virsh-domain.c

With this patch, each driver could implement its own method to run
this new event.

Signed-off-by: zhenwei pi <pizhenwei@xxxxxxxxxxxxx>
---
 include/libvirt/libvirt-domain.h    | 82 +++++++++++++++++++++++++++++++++++++
 src/conf/domain_event.c             | 80 ++++++++++++++++++++++++++++++++++++
 src/conf/domain_event.h             | 12 ++++++
 src/libvirt_private.syms            |  2 +
 src/remote/remote_daemon_dispatch.c | 32 +++++++++++++++
 src/remote/remote_driver.c          | 32 +++++++++++++++
 src/remote/remote_protocol.x        | 16 +++++++-
 src/remote_protocol-structs         |  8 ++++
 examples/c/misc/event-test.c        | 16 ++++++++
 tools/virsh-domain.c                | 40 ++++++++++++++++++
 10 files changed, 319 insertions(+), 1 deletion(-)

diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h
index 77f9116675..5138843a56 100644
--- a/include/libvirt/libvirt-domain.h
+++ b/include/libvirt/libvirt-domain.h
@@ -3196,6 +3196,64 @@ typedef enum {
 } virDomainEventCrashedDetailType;
 
 /**
+ * virDomainMemoryFailureRecipientType:
+ *
+ * Recipient of a memory failure event.
+ */
+typedef enum {
+    /* memory failure at hypersivor memory address space */
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_HYPERVISOR = 0,
+
+    /* memory failure at guest memory address space */
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_GUEST = 1,
+
+# ifdef VIR_ENUM_SENTINELS
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_LAST
+# endif
+} virDomainMemoryFailureRecipientType;
+
+
+/**
+ * virDomainMemoryFailureActionType:
+ *
+ * Action of a memory failure event.
+ */
+typedef enum {
+    /* the memory failure could be ignored. This will only be the case for
+     * action-optional failures. */
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_IGNORE = 0,
+
+    /* memory failure occurred in guest memory, the guest enabled MCE handling
+     * mechanism, and hypervisor could inject the MCE into the guest
+     * successfully. */
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_INJECT = 1,
+
+    /* the failure is unrecoverable.  This occurs for action-required failures
+     * if the recipient is the hypervisor; hypervisor will exit. */
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_FATAL = 2,
+
+    /* the failure is unrecoverable but confined to the guest. This occurs if
+     * the recipient is a guest which is not ready to handle memory failures. */
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_RESET = 3,
+
+# ifdef VIR_ENUM_SENTINELS
+    VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_LAST
+# endif
+} virDomainMemoryFailureActionType;
+
+
+typedef enum {
+    /* whether a memory failure event is action-required or action-optional
+     * (e.g. a failure during memory scrub). */
+    VIR_DOMAIN_MEMORY_FAILURE_ACTION_REQUIRED = (1 << 0),
+
+    /* whether the failure occurred while the previous failure was still in
+     * progress. */
+    VIR_DOMAIN_MEMORY_FAILURE_RECURSIVE = (1 << 1),
+} virDomainMemoryFailureFlags;
+
+
+/**
  * virConnectDomainEventCallback:
  * @conn: virConnect connection
  * @dom: The domain on which the event occurred
@@ -4565,6 +4623,29 @@ typedef void (*virConnectDomainEventBlockThresholdCallback)(virConnectPtr conn,
                                                             void *opaque);
 
 /**
+ * virConnectDomainEventMemoryFailureCallback:
+ * @conn: connection object
+ * @dom: domain on which the event occurred
+ * @recipient: the recipient of hardware memory failure
+ * @action: the action of hardware memory failure
+ * @flags: the flags of hardware memory failure
+ * @opaque: application specified data
+ *
+ * The callback occurs when the hypervisor handles the hardware memory
+ * corrupted event.
+ *
+ * The callback signature to use when registering for an event of type
+ * VIR_DOMAIN_EVENT_ID_MEMORY_FAILURE with virConnectDomainEventRegisterAny()
+ */
+typedef void (*virConnectDomainEventMemoryFailureCallback)(virConnectPtr conn,
+                                                           virDomainPtr dom,
+                                                           virDomainMemoryFailureRecipientType recipient,
+                                                           virDomainMemoryFailureActionType action,
+                                                           unsigned int flags,
+                                                           void *opaque);
+
+
+/**
  * VIR_DOMAIN_EVENT_CALLBACK:
  *
  * Used to cast the event specific callback into the generic one
@@ -4606,6 +4687,7 @@ typedef enum {
     VIR_DOMAIN_EVENT_ID_DEVICE_REMOVAL_FAILED = 22, /* virConnectDomainEventDeviceRemovalFailedCallback */
     VIR_DOMAIN_EVENT_ID_METADATA_CHANGE = 23, /* virConnectDomainEventMetadataChangeCallback */
     VIR_DOMAIN_EVENT_ID_BLOCK_THRESHOLD = 24, /* virConnectDomainEventBlockThresholdCallback */
+    VIR_DOMAIN_EVENT_ID_MEMORY_FAILURE = 25,  /* virConnectDomainEventMemoryFailureCallback */
 
 # ifdef VIR_ENUM_SENTINELS
     VIR_DOMAIN_EVENT_ID_LAST
diff --git a/src/conf/domain_event.c b/src/conf/domain_event.c
index a8bd9f1595..4a6051a6ab 100644
--- a/src/conf/domain_event.c
+++ b/src/conf/domain_event.c
@@ -57,6 +57,7 @@ static virClassPtr virDomainEventJobCompletedClass;
 static virClassPtr virDomainEventDeviceRemovalFailedClass;
 static virClassPtr virDomainEventMetadataChangeClass;
 static virClassPtr virDomainEventBlockThresholdClass;
+static virClassPtr virDomainEventMemoryFailureClass;
 
 static void virDomainEventDispose(void *obj);
 static void virDomainEventLifecycleDispose(void *obj);
@@ -79,6 +80,7 @@ static void virDomainEventJobCompletedDispose(void *obj);
 static void virDomainEventDeviceRemovalFailedDispose(void *obj);
 static void virDomainEventMetadataChangeDispose(void *obj);
 static void virDomainEventBlockThresholdDispose(void *obj);
+static void virDomainEventMemoryFailureDispose(void *obj);
 
 static void
 virDomainEventDispatchDefaultFunc(virConnectPtr conn,
@@ -287,6 +289,15 @@ struct _virDomainEventBlockThreshold {
 typedef struct _virDomainEventBlockThreshold virDomainEventBlockThreshold;
 typedef virDomainEventBlockThreshold *virDomainEventBlockThresholdPtr;
 
+struct _virDomainEventMemoryFailure {
+    virDomainEvent parent;
+
+    virDomainMemoryFailureRecipientType recipient;
+    virDomainMemoryFailureActionType action;
+    unsigned int flags;
+};
+typedef struct _virDomainEventMemoryFailure virDomainEventMemoryFailure;
+typedef virDomainEventMemoryFailure *virDomainEventMemoryFailurePtr;
 
 static int
 virDomainEventsOnceInit(void)
@@ -333,6 +344,8 @@ virDomainEventsOnceInit(void)
         return -1;
     if (!VIR_CLASS_NEW(virDomainEventBlockThreshold, virDomainEventClass))
         return -1;
+    if (!VIR_CLASS_NEW(virDomainEventMemoryFailure, virDomainEventClass))
+        return -1;
     return 0;
 }
 
@@ -542,6 +555,14 @@ virDomainEventBlockThresholdDispose(void *obj)
 }
 
 
+static void
+virDomainEventMemoryFailureDispose(void *obj)
+{
+    virDomainEventMemoryFailurePtr event = obj;
+    VIR_DEBUG("obj=%p", event);
+}
+
+
 static void *
 virDomainEventNew(virClassPtr klass,
                   int eventID,
@@ -1619,6 +1640,52 @@ virDomainEventBlockThresholdNewFromDom(virDomainPtr dom,
 }
 
 
+static virObjectEventPtr
+virDomainEventMemoryFailureNew(int id,
+                               const char *name,
+                               unsigned char *uuid,
+                               virDomainMemoryFailureRecipientType recipient,
+                               virDomainMemoryFailureActionType action,
+                               unsigned int flags)
+{
+    virDomainEventMemoryFailurePtr ev;
+
+    if (virDomainEventsInitialize() < 0)
+        return NULL;
+
+    if (!(ev = virDomainEventNew(virDomainEventMemoryFailureClass,
+                                 VIR_DOMAIN_EVENT_ID_MEMORY_FAILURE,
+                                 id, name, uuid)))
+        return NULL;
+
+    ev->recipient = recipient;
+    ev->action = action;
+    ev->flags = flags;
+
+    return (virObjectEventPtr)ev;
+}
+
+virObjectEventPtr
+virDomainEventMemoryFailureNewFromObj(virDomainObjPtr obj,
+                                      virDomainMemoryFailureRecipientType recipient,
+                                      virDomainMemoryFailureActionType action,
+                                      unsigned int flags)
+{
+    return virDomainEventMemoryFailureNew(obj->def->id, obj->def->name,
+                                          obj->def->uuid, recipient, action,
+                                          flags);
+}
+
+virObjectEventPtr
+virDomainEventMemoryFailureNewFromDom(virDomainPtr dom,
+                                      virDomainMemoryFailureRecipientType recipient,
+                                      virDomainMemoryFailureActionType action,
+                                      unsigned int flags)
+{
+    return virDomainEventMemoryFailureNew(dom->id, dom->name, dom->uuid,
+                                          recipient, action, flags);
+}
+
 static void
 virDomainEventDispatchDefaultFunc(virConnectPtr conn,
                                   virObjectEventPtr event,
@@ -1902,6 +1969,19 @@ virDomainEventDispatchDefaultFunc(virConnectPtr conn,
                                                               cbopaque);
             goto cleanup;
         }
+    case VIR_DOMAIN_EVENT_ID_MEMORY_FAILURE:
+        {
+            virDomainEventMemoryFailurePtr memoryFailureEvent;
+
+            memoryFailureEvent = (virDomainEventMemoryFailurePtr)event;
+            ((virConnectDomainEventMemoryFailureCallback)cb)(conn, dom,
+                                                             memoryFailureEvent->recipient,
+                                                             memoryFailureEvent->action,
+                                                             memoryFailureEvent->flags,
+                                                             cbopaque);
+            goto cleanup;
+        }
+
     case VIR_DOMAIN_EVENT_ID_LAST:
         break;
     }
diff --git a/src/conf/domain_event.h b/src/conf/domain_event.h
index d1cfb81d62..1d001e164e 100644
--- a/src/conf/domain_event.h
+++ b/src/conf/domain_event.h
@@ -255,6 +255,18 @@ virDomainEventBlockThresholdNewFromDom(virDomainPtr dom,
                                        unsigned long long threshold,
                                        unsigned long long excess);
 
+virObjectEventPtr
+virDomainEventMemoryFailureNewFromObj(virDomainObjPtr obj,
+                                      virDomainMemoryFailureRecipientType recipient,
+                                      virDomainMemoryFailureActionType action,
+                                      unsigned int flags);
+
+virObjectEventPtr
+virDomainEventMemoryFailureNewFromDom(virDomainPtr dom,
+                                      virDomainMemoryFailureRecipientType recipient,
+                                      virDomainMemoryFailureActionType action,
+                                      unsigned int flags);
+
 int
 virDomainEventStateRegister(virConnectPtr conn,
                             virObjectEventStatePtr state,
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 52e9c6313f..ca43d1c199 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -705,6 +705,8 @@ virDomainEventLifecycleNew;
 virDomainEventLifecycleNewFromDef;
 virDomainEventLifecycleNewFromDom;
 virDomainEventLifecycleNewFromObj;
+virDomainEventMemoryFailureNewFromDom;
+virDomainEventMemoryFailureNewFromObj;
 virDomainEventMetadataChangeNewFromDom;
 virDomainEventMetadataChangeNewFromObj;
 virDomainEventMigrationIterationNewFromDom;
diff --git a/src/remote/remote_daemon_dispatch.c b/src/remote/remote_daemon_dispatch.c
index 32ebcd8f36..078467f8da 100644
--- a/src/remote/remote_daemon_dispatch.c
+++ b/src/remote/remote_daemon_dispatch.c
@@ -1302,6 +1302,37 @@ remoteRelayDomainEventBlockThreshold(virConnectPtr conn,
 }
 
 
+static int
+remoteRelayDomainEventMemoryFailure(virConnectPtr conn,
+                                    virDomainPtr dom,
+                                    virDomainMemoryFailureRecipientType recipient,
+                                    virDomainMemoryFailureActionType action,
+                                    unsigned int flags,
+                                    void *opaque)
+{
+    daemonClientEventCallbackPtr callback = opaque;
+    remote_domain_event_memory_failure_msg data;
+
+    if (callback->callbackID < 0 ||
+        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
+        return -1;
+
+    /* build return data */
+    memset(&data, 0, sizeof(data));
+    data.callbackID = callback->callbackID;
+    data.recipient = recipient;
+    data.action = action;
+    data.flags = flags;
+    make_nonnull_domain(&data.dom, dom);
+
+    remoteDispatchObjectEventSend(callback->client, remoteProgram,
+                                  REMOTE_PROC_DOMAIN_EVENT_MEMORY_FAILURE,
+                                  (xdrproc_t)xdr_remote_domain_event_memory_failure_msg, &data);
+
+    return 0;
+}
+
+
 static virConnectDomainEventGenericCallback domainEventCallbacks[] = {
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle),
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventReboot),
@@ -1328,6 +1359,7 @@ static virConnectDomainEventGenericCallback domainEventCallbacks[] = {
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventDeviceRemovalFailed),
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventMetadataChange),
     VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBlockThreshold),
+    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventMemoryFailure),
 };
 
 G_STATIC_ASSERT(G_N_ELEMENTS(domainEventCallbacks) == VIR_DOMAIN_EVENT_ID_LAST);
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index d318224605..9cd2fd36ae 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -405,6 +405,11 @@ remoteDomainBuildEventBlockThreshold(virNetClientProgramPtr prog,
                                      void *evdata, void *opaque);
 
 static void
+remoteDomainBuildEventMemoryFailure(virNetClientProgramPtr prog,
+                                    virNetClientPtr client,
+                                    void *evdata, void *opaque);
+
+static void
 remoteConnectNotifyEventConnectionClosed(virNetClientProgramPtr prog G_GNUC_UNUSED,
                                          virNetClientPtr client G_GNUC_UNUSED,
                                          void *evdata, void *opaque);
@@ -615,6 +620,10 @@ static virNetClientProgramEvent remoteEvents[] = {
       remoteDomainBuildEventBlockThreshold,
       sizeof(remote_domain_event_block_threshold_msg),
       (xdrproc_t)xdr_remote_domain_event_block_threshold_msg },
+    { REMOTE_PROC_DOMAIN_EVENT_MEMORY_FAILURE,
+      remoteDomainBuildEventMemoryFailure,
+      sizeof(remote_domain_event_memory_failure_msg),
+      (xdrproc_t)xdr_remote_domain_event_memory_failure_msg },
 };
 
 static void
@@ -5440,6 +5449,29 @@ remoteDomainBuildEventBlockThreshold(virNetClientProgramPtr prog G_GNUC_UNUSED,
 }
 
 
+static void
+remoteDomainBuildEventMemoryFailure(virNetClientProgramPtr prog G_GNUC_UNUSED,
+                                    virNetClientPtr client G_GNUC_UNUSED,
+                                    void *evdata, void *opaque)
+{
+    virConnectPtr conn = opaque;
+    remote_domain_event_memory_failure_msg *msg = evdata;
+    struct private_data *priv = conn->privateData;
+    virDomainPtr dom;
+    virObjectEventPtr event = NULL;
+
+    if (!(dom = get_nonnull_domain(conn, msg->dom)))
+        return;
+
+    event = virDomainEventMemoryFailureNewFromDom(dom, msg->recipient,
+                                                  msg->action, msg->flags);
+
+    virObjectUnref(dom);
+
+    virObjectEventStateQueueRemote(priv->eventState, event, msg->callbackID);
+}
+
+
 static int
 remoteStreamSend(virStreamPtr st,
                  const char *data,
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index f4d6147676..5e5e781e76 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -3469,6 +3469,14 @@ struct remote_domain_event_callback_metadata_change_msg {
     remote_string nsuri;
 };
 
+struct remote_domain_event_memory_failure_msg {
+    int callbackID;
+    remote_nonnull_domain dom;
+    int recipient;
+    int action;
+    unsigned int flags;
+};
+
 struct remote_connect_secret_event_register_any_args {
     int eventID;
     remote_secret secret;
@@ -6668,5 +6676,11 @@ enum remote_procedure {
      * @priority: high
      * @acl: domain:read
      */
-    REMOTE_PROC_DOMAIN_BACKUP_GET_XML_DESC = 422
+    REMOTE_PROC_DOMAIN_BACKUP_GET_XML_DESC = 422,
+
+    /**
+     * @generate: both
+     * @acl: none
+     */
+    REMOTE_PROC_DOMAIN_EVENT_MEMORY_FAILURE = 423
 };
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index bae0f0b545..c2ae411885 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -2862,6 +2862,13 @@ struct remote_domain_event_callback_metadata_change_msg {
         int                        type;
         remote_string              nsuri;
 };
+struct remote_domain_event_memory_failure_msg {
+        int                        callbackID;
+        remote_nonnull_domain      dom;
+        int                        recipient;
+        int                        action;
+        u_int                      flags;
+};
 struct remote_connect_secret_event_register_any_args {
         int                        eventID;
         remote_secret              secret;
@@ -3558,4 +3565,5 @@ enum remote_procedure {
         REMOTE_PROC_DOMAIN_AGENT_SET_RESPONSE_TIMEOUT = 420,
         REMOTE_PROC_DOMAIN_BACKUP_BEGIN = 421,
         REMOTE_PROC_DOMAIN_BACKUP_GET_XML_DESC = 422,
+        REMOTE_PROC_DOMAIN_EVENT_MEMORY_FAILURE = 423,
 };
diff --git a/examples/c/misc/event-test.c b/examples/c/misc/event-test.c
index 52caa8ffa8..1651efe019 100644
--- a/examples/c/misc/event-test.c
+++ b/examples/c/misc/event-test.c
@@ -964,6 +964,21 @@ myDomainEventBlockThresholdCallback(virConnectPtr conn G_GNUC_UNUSED,
 
 
 static int
+myDomainEventMemoryFailureCallback(virConnectPtr conn G_GNUC_UNUSED,
+                                   virDomainPtr dom,
+                                   virDomainMemoryFailureRecipientType recipient,
+                                   virDomainMemoryFailureActionType action,
+                                   unsigned int flags,
+                                   void *opaque G_GNUC_UNUSED)
+{
+    printf("%s EVENT: Domain %s(%d) memory failure: recipient '%d', "
+           "aciont '%d', flags '%d'", __func__, virDomainGetName(dom),
+           virDomainGetID(dom), recipient, action, flags);
+    return 0;
+}
+
+
+static int
 myDomainEventMigrationIterationCallback(virConnectPtr conn G_GNUC_UNUSED,
                                         virDomainPtr dom,
                                         int iteration,
@@ -1093,6 +1108,7 @@ struct domainEventData domainEvents[] = {
     DOMAIN_EVENT(VIR_DOMAIN_EVENT_ID_DEVICE_REMOVAL_FAILED, myDomainEventDeviceRemovalFailedCallback),
     DOMAIN_EVENT(VIR_DOMAIN_EVENT_ID_METADATA_CHANGE, myDomainEventMetadataChangeCallback),
     DOMAIN_EVENT(VIR_DOMAIN_EVENT_ID_BLOCK_THRESHOLD, myDomainEventBlockThresholdCallback),
+    DOMAIN_EVENT(VIR_DOMAIN_EVENT_ID_MEMORY_FAILURE, myDomainEventMemoryFailureCallback),
 };
 
 struct storagePoolEventData {
diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 8f11393197..2bfb33e528 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -13590,6 +13590,44 @@ virshEventBlockThresholdPrint(virConnectPtr conn G_GNUC_UNUSED,
 }
 
 
+VIR_ENUM_DECL(virshEventMemoryFailureRecipientType);
+VIR_ENUM_IMPL(virshEventMemoryFailureRecipientType,
+              VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_LAST,
+              N_("hypervisor"),
+              N_("guest"));
+
+VIR_ENUM_DECL(virshEventMemoryFailureActionType);
+VIR_ENUM_IMPL(virshEventMemoryFailureActionType,
+              VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_LAST,
+              N_("ignore"),
+              N_("inject"),
+              N_("fatal"),
+              N_("reset"));
+
+static void
+virshEventMemoryFailurePrint(virConnectPtr conn G_GNUC_UNUSED,
+                             virDomainPtr dom,
+                             virDomainMemoryFailureRecipientType recipient,
+                             virDomainMemoryFailureActionType action,
+                             unsigned int flags,
+                             void *opaque)
+{
+    g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
+
+    virBufferAsprintf(&buf, _("event 'memory-failure' for domain %s:\n"
+                              "recipient: %s\naction: %s\n"),
+                      virDomainGetName(dom),
+                      UNKNOWNSTR(virshEventMemoryFailureRecipientTypeTypeToString(recipient)),
+                      UNKNOWNSTR(virshEventMemoryFailureActionTypeTypeToString(action)));
+    virBufferAsprintf(&buf, _("flags:\n"
+                              "\taction required: %d\n\trecursive: %d\n"),
+                      !!(flags & VIR_DOMAIN_MEMORY_FAILURE_ACTION_REQUIRED),
+                      !!(flags & VIR_DOMAIN_MEMORY_FAILURE_RECURSIVE));
+
+    virshEventPrint(opaque, &buf);
+}
+
+
 virshDomainEventCallback virshDomainEventCallbacks[] = {
     { "lifecycle",
       VIR_DOMAIN_EVENT_CALLBACK(virshEventLifecyclePrint), },
@@ -13639,6 +13677,8 @@ virshDomainEventCallback virshDomainEventCallbacks[] = {
       VIR_DOMAIN_EVENT_CALLBACK(virshEventMetadataChangePrint), },
     { "block-threshold",
       VIR_DOMAIN_EVENT_CALLBACK(virshEventBlockThresholdPrint), },
+    { "memory-failure",
+      VIR_DOMAIN_EVENT_CALLBACK(virshEventMemoryFailurePrint), },
 };
 G_STATIC_ASSERT(VIR_DOMAIN_EVENT_ID_LAST == G_N_ELEMENTS(virshDomainEventCallbacks));
 
-- 
2.11.0




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