From df9385f88c666783c7ac53800f00e359a4177145 Mon Sep 17 00:00:00 2001
From: Jiri Denemark <jdenemar@redhat.com>
Date: Wed, 10 Jun 2020 16:13:15 +0200
Subject: [PATCH 3/8] qemu: Avoid deprecated migrate_set_downtime QMP command

The same functionality can be achieved using migrate-set-parameters QMP
command with downtime-limit parameter.

https://bugzilla.redhat.com/show_bug.cgi?id=1829543

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
---
 src/qemu/qemu_driver.c | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 1521bc6b2b..3482dccc43 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -13892,7 +13892,9 @@ qemuDomainMigrateSetMaxDowntime(virDomainPtr dom,
     virQEMUDriverPtr driver = dom->conn->privateData;
     virDomainObjPtr vm;
     qemuDomainObjPrivatePtr priv;
+    g_autoptr(qemuMigrationParams) migParams = NULL;
     int ret = -1;
+    int rc;
 
     virCheckFlags(0, -1);
 
@@ -13911,10 +13913,27 @@ qemuDomainMigrateSetMaxDowntime(virDomainPtr dom,
     priv = vm->privateData;
 
     VIR_DEBUG("Setting migration downtime to %llums", downtime);
-    qemuDomainObjEnterMonitor(driver, vm);
-    ret = qemuMonitorSetMigrationDowntime(priv->mon, downtime);
-    if (qemuDomainObjExitMonitor(driver, vm) < 0)
-        ret = -1;
+
+    if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_PARAM_DOWNTIME)) {
+        if (!(migParams = qemuMigrationParamsNew()))
+            goto endjob;
+
+        if (qemuMigrationParamsSetULL(migParams,
+                                      QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT,
+                                      downtime) < 0)
+            goto endjob;
+
+        if (qemuMigrationParamsApply(driver, vm, QEMU_ASYNC_JOB_NONE,
+                                     migParams) < 0)
+            goto endjob;
+    } else {
+        qemuDomainObjEnterMonitor(driver, vm);
+        rc = qemuMonitorSetMigrationDowntime(priv->mon, downtime);
+        if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
+            goto endjob;
+    }
+
+    ret = 0;
 
  endjob:
     qemuDomainObjEndJob(driver, vm);
-- 
2.27.0

