[PATCH v2 1/4] API: introduce memory failure
Daniel Henrique Barboza
danielhb413 at gmail.com
Tue Oct 13 12:31:35 UTC 2020
This patch failed to compile in my env:
FAILED: tools/virsh.p/virsh-domain.c.o
[....]
-D_FUNCTION_DEF -MD -MQ tools/virsh.p/virsh-domain.c.o -MF tools/virsh.p/virsh-domain.c.o.d -o tools/virsh.p/virsh-domain.c.o -c ../tools/virsh-domain.c
In file included from /usr/lib64/glib-2.0/include/glibconfig.h:9,
from /usr/include/glib-2.0/glib/gtypes.h:32,
from /usr/include/glib-2.0/glib/galloca.h:32,
from /usr/include/glib-2.0/glib.h:30,
from ../src/util/glibcompat.h:21,
from ../src/internal.h:30,
from ../tools/virsh.h:25,
from ../tools/virsh-domain.h:23,
from ../tools/virsh-domain.c:22:
/usr/include/glib-2.0/glib/gmacros.h:745:53: error: size of array ‘_GStaticAssertCompileTimeAssertion_185’ is negative
745 | #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/glib-2.0/glib/gmacros.h:735:47: note: in definition of macro ‘G_PASTE_ARGS’
735 | #define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
| ^~~~~~~~~~~
/usr/include/glib-2.0/glib/gmacros.h:745:44: note: in expansion of macro ‘G_PASTE’
745 | #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
| ^~~~~~~
../tools/virsh-domain.c:13643:1: note: in expansion of macro ‘G_STATIC_ASSERT’
13643 | G_STATIC_ASSERT(VIR_DOMAIN_EVENT_ID_LAST == G_N_ELEMENTS(virshDomainEventCallbacks));
| ^~~~~~~~~~~~~~~
[505/984] Compiling C object src/virtqemud.p/remote_remote_daemon_dispatch.c.o
ninja: build stopped: subcommand failed.
$
I didn't verify if the following patches fixes it.
Thanks,
DHB
On 10/12/20 9:31 AM, zhenwei pi wrote:
> Introduce memory failure event. Libvirt should monitor domain's
> event, then posts it to uplayer. According to the hardware memory
> corrupted message, the cloud scheduler could migrate domain to another
> health physical server.
>
> Signed-off-by: zhenwei pi <pizhenwei at bytedance.com>
> ---
> 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 ++++
> 8 files changed, 263 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 152083d220..927de5001a 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -704,6 +704,8 @@ 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,
> };
>
More information about the libvir-list
mailing list