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Introduce migration iteration event

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The VIR_DOMAIN_EVENT_ID_MIGRATION_ITERATION event will be triggered
whenever VIR_DOMAIN_JOB_MEMORY_ITERATION changes its value, i.e.,
whenever a new iteration over guest memory pages is started during
migration.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark
2015-12-10 16:09:09 +01:00
parent e2b86f580c
commit 0b50f4a025
9 changed files with 205 additions and 1 deletions
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22
include/libvirt/libvirt-domain.h
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@@ -3283,6 +3283,27 @@ typedef void (*virConnectDomainEventDeviceAddedCallback)(virConnectPtr conn,
const char *devAlias,
void *opaque);
/**
* virConnectDomainEventMigrationIterationCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @iteration: current iteration over domain's memory
* @opaque: application specific data
*
* This callback occurs during live migration when a new iteration over
* domain's memory starts. The @iteration value is increased by one every
* time a new iteration is started to transfer memory pages dirtied since
* the last iteration.
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_MIGRATION_ITERATION with
* virConnectDomainEventRegisterAny().
*/
typedef void (*virConnectDomainEventMigrationIterationCallback)(virConnectPtr conn,
virDomainPtr dom,
int iteration,
void *opaque);
/**
* VIR_DOMAIN_TUNABLE_CPU_VCPUPIN:
*
@@ -3566,6 +3587,7 @@ typedef enum {
VIR_DOMAIN_EVENT_ID_TUNABLE = 17, /* virConnectDomainEventTunableCallback */
VIR_DOMAIN_EVENT_ID_AGENT_LIFECYCLE = 18,/* virConnectDomainEventAgentLifecycleCallback */
VIR_DOMAIN_EVENT_ID_DEVICE_ADDED = 19, /* virConnectDomainEventDeviceAddedCallback */
VIR_DOMAIN_EVENT_ID_MIGRATION_ITERATION = 20, /* virConnectDomainEventMigrationIterationCallback */
# ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_EVENT_ID_LAST