Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
Notes:
Version 2:
- dropped DeviceNotFound QMP error handling and replaced it with
reporting an error if the VIR_DOMAIN_ABORT_JOB_POSTCOPY flag is used
for something else than outgoing post-copy migration
src/qemu/qemu_driver.c | 48 +++++++++++++++++++++++++++---------
src/qemu/qemu_monitor.c | 9 +++++++
src/qemu/qemu_monitor.h | 3 +++
src/qemu/qemu_monitor_json.c | 19 ++++++++++++++
src/qemu/qemu_monitor_json.h | 3 +++
5 files changed, 71 insertions(+), 11 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index cab2859a6c..01c4a8470a 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12783,6 +12783,30 @@ qemuDomainAbortJobMigration(virDomainObj *vm)
}
+static int
+qemuDomainAbortJobPostcopy(virDomainObj *vm,
+ unsigned int flags)
+{
+ qemuDomainObjPrivate *priv = vm->privateData;
+ int rc;
+
+ if (!(flags & VIR_DOMAIN_ABORT_JOB_POSTCOPY)) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("cannot abort migration in post-copy mode"));
+ return -1;
+ }
+
+ VIR_DEBUG("Suspending post-copy migration at client request");
+
+ qemuDomainObjAbortAsyncJob(vm);
+ qemuDomainObjEnterMonitor(priv->driver, vm);
+ rc = qemuMonitorMigratePause(priv->mon);
+ qemuDomainObjExitMonitor(vm);
+
+ return rc;
+}
+
+
static int
qemuDomainAbortJobFlags(virDomainPtr dom,
unsigned int flags)
@@ -12791,11 +12815,10 @@ qemuDomainAbortJobFlags(virDomainPtr dom,
virDomainObj *vm;
int ret = -1;
qemuDomainObjPrivate *priv;
- int reason;
VIR_DEBUG("flags=0x%x", flags);
- virCheckFlags(0, -1);
+ virCheckFlags(VIR_DOMAIN_ABORT_JOB_POSTCOPY, -1);
if (!(vm = qemuDomainObjFromDomain(dom)))
goto cleanup;
@@ -12811,6 +12834,14 @@ qemuDomainAbortJobFlags(virDomainPtr dom,
priv = vm->privateData;
+ if (flags & VIR_DOMAIN_ABORT_JOB_POSTCOPY &&
+ (priv->job.asyncJob != VIR_ASYNC_JOB_MIGRATION_OUT ||
+ !virDomainObjIsPostcopy(vm, VIR_DOMAIN_JOB_OPERATION_MIGRATION_OUT))) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("current job is not outgoing migration in post-copy mode"));
+ goto endjob;
+ }
+
switch (priv->job.asyncJob) {
case VIR_ASYNC_JOB_NONE:
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
@@ -12830,15 +12861,10 @@ qemuDomainAbortJobFlags(virDomainPtr dom,
break;
case VIR_ASYNC_JOB_MIGRATION_OUT:
- if ((priv->job.current->status == VIR_DOMAIN_JOB_STATUS_POSTCOPY ||
- (virDomainObjGetState(vm, &reason) == VIR_DOMAIN_PAUSED &&
- reason == VIR_DOMAIN_PAUSED_POSTCOPY))) {
- virReportError(VIR_ERR_OPERATION_INVALID, "%s",
- _("cannot abort migration in post-copy mode"));
- goto endjob;
- }
-
- ret = qemuDomainAbortJobMigration(vm);
+ if (virDomainObjIsPostcopy(vm, VIR_DOMAIN_JOB_OPERATION_MIGRATION_OUT))
+ ret = qemuDomainAbortJobPostcopy(vm, flags);
+ else
+ ret = qemuDomainAbortJobMigration(vm);
break;
case VIR_ASYNC_JOB_SAVE:
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index e9b9390c80..37bcbde31e 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -2425,6 +2425,15 @@ qemuMonitorMigrateCancel(qemuMonitor *mon)
}
+int
+qemuMonitorMigratePause(qemuMonitor *mon)
+{
+ QEMU_CHECK_MONITOR(mon);
+
+ return qemuMonitorJSONMigratePause(mon);
+}
+
+
int
qemuMonitorQueryDump(qemuMonitor *mon,
qemuMonitorDumpStats *stats)
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 4f6c7e40fd..91f2d0941c 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -890,6 +890,9 @@ int qemuMonitorMigrateToSocket(qemuMonitor *mon,
int qemuMonitorMigrateCancel(qemuMonitor *mon);
+int
+qemuMonitorMigratePause(qemuMonitor *mon);
+
int qemuMonitorGetDumpGuestMemoryCapability(qemuMonitor *mon,
const char *capability);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 99c5e1b40f..8b81a07429 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -3455,6 +3455,25 @@ int qemuMonitorJSONMigrateCancel(qemuMonitor *mon)
}
+int
+qemuMonitorJSONMigratePause(qemuMonitor *mon)
+{
+ g_autoptr(virJSONValue) cmd = NULL;
+ g_autoptr(virJSONValue) reply = NULL;
+
+ if (!(cmd = qemuMonitorJSONMakeCommand("migrate-pause", NULL)))
+ return -1;
+
+ if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+ return -1;
+
+ if (qemuMonitorJSONCheckError(cmd, reply) < 0)
+ return -1;
+
+ return 0;
+}
+
+
/* qemuMonitorJSONQueryDump:
* @mon: Monitor pointer
* @stats: Monitor dump stats
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 305faafce4..3b55e380b3 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -207,6 +207,9 @@ qemuMonitorJSONGetSpiceMigrationStatus(qemuMonitor *mon,
int
qemuMonitorJSONMigrateCancel(qemuMonitor *mon);
+int
+qemuMonitorJSONMigratePause(qemuMonitor *mon);
+
int
qemuMonitorJSONQueryDump(qemuMonitor *mon,
qemuMonitorDumpStats *stats);
--
2.35.1