From 4c906acec14efe3893491d749465ed7e285a825c Mon Sep 17 00:00:00 2001
Message-Id: <4c906acec14efe3893491d749465ed7e285a825c@dist-git>
From: Jiri Denemark <jdenemar@redhat.com>
Date: Wed, 29 Jun 2022 12:00:03 +0200
Subject: [PATCH] qemu: Pass migration flags to qemuMigrationParamsApply
The flags will later be used to determine which parameters should
actually be applied.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
(cherry picked from commit 0eae541257cd4f01c9d90db62056ad8d03c5af23)
https://bugzilla.redhat.com/show_bug.cgi?id=2111070
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
src/qemu/qemu_driver.c | 6 +++---
src/qemu/qemu_migration.c | 8 ++++----
src/qemu/qemu_migration_params.c | 11 ++++++++---
src/qemu/qemu_migration_params.h | 3 ++-
4 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 847c96639d..17e4c23199 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -13091,7 +13091,7 @@ qemuDomainMigrateSetMaxDowntime(virDomainPtr dom,
goto endjob;
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_NONE,
- migParams) < 0)
+ migParams, 0) < 0)
goto endjob;
} else {
qemuDomainObjEnterMonitor(driver, vm);
@@ -13273,7 +13273,7 @@ qemuDomainMigrateSetCompressionCache(virDomainPtr dom,
goto endjob;
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_NONE,
- migParams) < 0)
+ migParams, 0) < 0)
goto endjob;
} else {
qemuDomainObjEnterMonitor(driver, vm);
@@ -13360,7 +13360,7 @@ qemuDomainMigrateSetMaxSpeed(virDomainPtr dom,
goto endjob;
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_NONE,
- migParams) < 0)
+ migParams, 0) < 0)
goto endjob;
} else {
int rc;
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 76903d612b..8cbd73a809 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -3259,7 +3259,7 @@ qemuMigrationDstPrepareActive(virQEMUDriver *driver,
}
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_MIGRATION_IN,
- migParams) < 0)
+ migParams, flags) < 0)
goto error;
if (mig->nbd &&
@@ -4847,7 +4847,7 @@ qemuMigrationSrcRun(virQEMUDriver *driver,
goto error;
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_MIGRATION_OUT,
- migParams) < 0)
+ migParams, flags) < 0)
goto error;
if (flags & VIR_MIGRATE_ZEROCOPY) {
@@ -6941,7 +6941,7 @@ qemuMigrationSrcToFile(virQEMUDriver *driver, virDomainObj *vm,
QEMU_DOMAIN_MIG_BANDWIDTH_MAX * 1024 * 1024) < 0)
return -1;
- if (qemuMigrationParamsApply(driver, vm, asyncJob, migParams) < 0)
+ if (qemuMigrationParamsApply(driver, vm, asyncJob, migParams, 0) < 0)
return -1;
priv->migMaxBandwidth = QEMU_DOMAIN_MIG_BANDWIDTH_MAX;
@@ -7037,7 +7037,7 @@ qemuMigrationSrcToFile(virQEMUDriver *driver, virDomainObj *vm,
QEMU_MIGRATION_PARAM_MAX_BANDWIDTH,
saveMigBandwidth * 1024 * 1024) == 0)
ignore_value(qemuMigrationParamsApply(driver, vm, asyncJob,
- migParams));
+ migParams, 0));
} else {
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) == 0) {
qemuMonitorSetMigrationSpeed(priv->mon, saveMigBandwidth);
diff --git a/src/qemu/qemu_migration_params.c b/src/qemu/qemu_migration_params.c
index cc66ed8229..398c07efd0 100644
--- a/src/qemu/qemu_migration_params.c
+++ b/src/qemu/qemu_migration_params.c
@@ -833,8 +833,10 @@ qemuMigrationCapsToJSON(virBitmap *caps,
* @vm: domain object
* @asyncJob: migration job
* @migParams: migration parameters to send to QEMU
+ * @apiFlags: migration flags, some of them may affect which parameters are applied
*
- * Send all parameters stored in @migParams to QEMU.
+ * Send parameters stored in @migParams to QEMU. If @apiFlags is non-zero, some
+ * parameters that do not make sense for the enabled flags will be ignored.
*
* Returns 0 on success, -1 on failure.
*/
@@ -842,7 +844,8 @@ int
qemuMigrationParamsApply(virQEMUDriver *driver,
virDomainObj *vm,
int asyncJob,
- qemuMigrationParams *migParams)
+ qemuMigrationParams *migParams,
+ unsigned long apiFlags G_GNUC_UNUSED)
{
qemuDomainObjPrivate *priv = vm->privateData;
bool xbzrleCacheSize_old = false;
@@ -1245,7 +1248,9 @@ qemuMigrationParamsReset(virQEMUDriver *driver,
if (!virDomainObjIsActive(vm) || !origParams)
goto cleanup;
- if (qemuMigrationParamsApply(driver, vm, asyncJob, origParams) < 0)
+ /* Do not pass apiFlags to qemuMigrationParamsApply here to make sure all
+ * parameters and capabilities are reset. */
+ if (qemuMigrationParamsApply(driver, vm, asyncJob, origParams, 0) < 0)
goto cleanup;
qemuMigrationParamsResetTLS(driver, vm, asyncJob, origParams, apiFlags);
diff --git a/src/qemu/qemu_migration_params.h b/src/qemu/qemu_migration_params.h
index d1184acded..9e990e09bd 100644
--- a/src/qemu/qemu_migration_params.h
+++ b/src/qemu/qemu_migration_params.h
@@ -98,7 +98,8 @@ int
qemuMigrationParamsApply(virQEMUDriver *driver,
virDomainObj *vm,
int asyncJob,
- qemuMigrationParams *migParams);
+ qemuMigrationParams *migParams,
+ unsigned long apiFlags);
int
qemuMigrationParamsEnableTLS(virQEMUDriver *driver,
--
2.35.1