libvirt/SOURCES/libvirt-qemu-Map-running-re...

122 lines
4.5 KiB
Diff

From 281b3fe785078497e4bb3156fe4da9af91f204c2 Mon Sep 17 00:00:00 2001
Message-Id: <281b3fe785078497e4bb3156fe4da9af91f204c2@dist-git>
From: Jiri Denemark <jdenemar@redhat.com>
Date: Tue, 11 Sep 2018 15:13:08 +0200
Subject: [PATCH] qemu: Map running reason to resume event detail
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Thanks to the previous commit the RESUME event handler knows what reason
should be used when changing the domain state to VIR_DOMAIN_RUNNING, but
the emitted VIR_DOMAIN_EVENT_RESUMED event still uses a generic
VIR_DOMAIN_EVENT_RESUMED_UNPAUSED detail. Luckily, the event detail can
be easily deduced from the running reason, which saves us from having to
pass one more value to the handler.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
(cherry picked from commit 8ae9b49f5a4a02f57a1dfa20d4fe04c3d40a4665)
https://bugzilla.redhat.com/show_bug.cgi?id=1634758
https://bugzilla.redhat.com/show_bug.cgi?id=1634759
Conflicts:
src/qemu/qemu_domain.c
src/qemu/qemu_domain.h
- nodenames code is not backported
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/qemu/qemu_domain.c | 29 +++++++++++++++++++++++++++++
src/qemu/qemu_domain.h | 3 +++
src/qemu/qemu_process.c | 11 +++++++----
3 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 17be6e5537..d80f9b393e 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -13149,3 +13149,32 @@ qemuDomainGetManagedPRSocketPath(qemuDomainObjPrivatePtr priv)
return ret;
}
+
+
+virDomainEventResumedDetailType
+qemuDomainRunningReasonToResumeEvent(virDomainRunningReason reason)
+{
+ switch (reason) {
+ case VIR_DOMAIN_RUNNING_RESTORED:
+ case VIR_DOMAIN_RUNNING_FROM_SNAPSHOT:
+ return VIR_DOMAIN_EVENT_RESUMED_FROM_SNAPSHOT;
+
+ case VIR_DOMAIN_RUNNING_MIGRATED:
+ case VIR_DOMAIN_RUNNING_MIGRATION_CANCELED:
+ return VIR_DOMAIN_EVENT_RESUMED_MIGRATED;
+
+ case VIR_DOMAIN_RUNNING_POSTCOPY:
+ return VIR_DOMAIN_EVENT_RESUMED_POSTCOPY;
+
+ case VIR_DOMAIN_RUNNING_UNKNOWN:
+ case VIR_DOMAIN_RUNNING_SAVE_CANCELED:
+ case VIR_DOMAIN_RUNNING_BOOTED:
+ case VIR_DOMAIN_RUNNING_UNPAUSED:
+ case VIR_DOMAIN_RUNNING_WAKEUP:
+ case VIR_DOMAIN_RUNNING_CRASHED:
+ case VIR_DOMAIN_RUNNING_LAST:
+ break;
+ }
+
+ return VIR_DOMAIN_EVENT_RESUMED_UNPAUSED;
+}
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index 6a96f27a5f..cc406e3ca0 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -1066,4 +1066,7 @@ qemuDomainDiskCachemodeFlags(int cachemode,
char * qemuDomainGetManagedPRSocketPath(qemuDomainObjPrivatePtr priv);
+virDomainEventResumedDetailType
+qemuDomainRunningReasonToResumeEvent(virDomainRunningReason reason);
+
#endif /* __QEMU_DOMAIN_H__ */
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 7325bc4c90..37568165b7 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -694,6 +694,7 @@ qemuProcessHandleResume(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
qemuDomainObjPrivatePtr priv;
virDomainRunningReason reason = VIR_DOMAIN_RUNNING_UNPAUSED;
+ virDomainEventResumedDetailType eventDetail;
virObjectLock(vm);
@@ -709,14 +710,16 @@ qemuProcessHandleResume(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
goto unlock;
}
+ eventDetail = qemuDomainRunningReasonToResumeEvent(reason);
VIR_DEBUG("Transitioned guest %s out of paused into resumed state, "
- "reason '%s'",
- vm->def->name, virDomainRunningReasonTypeToString(reason));
+ "reason '%s', event detail %d",
+ vm->def->name, virDomainRunningReasonTypeToString(reason),
+ eventDetail);
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, reason);
event = virDomainEventLifecycleNewFromObj(vm,
- VIR_DOMAIN_EVENT_RESUMED,
- VIR_DOMAIN_EVENT_RESUMED_UNPAUSED);
+ VIR_DOMAIN_EVENT_RESUMED,
+ eventDetail);
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0) {
VIR_WARN("Unable to save status on vm %s after state change",
--
2.19.1