[PATCH v11 08/11] s390x/cpu topology: add topology_capable QEMU capability

[Pierre Morel <pmorel@linux.ibm.com>]

S390 CPU topology is only allowed for s390-virtio-ccw-7.2 and
newer S390 machines.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
---
 include/hw/s390x/s390-virtio-ccw.h | 1 +
 hw/s390x/s390-virtio-ccw.c         | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index 6488279690..89fca3f79f 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -48,6 +48,7 @@ struct S390CcwMachineClass {
     bool css_migration_enabled;
     bool hpage_1m_allowed;
     int max_threads;
+    bool topology_capable;
 };
 
 /* runtime-instrumentation allowed by the machine */
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 4de2622f99..f1a9d6e793 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -763,6 +763,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
     s390mc->css_migration_enabled = true;
     s390mc->hpage_1m_allowed = true;
     s390mc->max_threads = 1;
+    s390mc->topology_capable = true;
     mc->init = ccw_init;
     mc->reset = s390_machine_reset;
     mc->block_default_type = IF_VIRTIO;
@@ -896,6 +897,7 @@ static void ccw_machine_7_1_class_options(MachineClass *mc)
     ccw_machine_7_2_class_options(mc);
     compat_props_add(mc->compat_props, hw_compat_7_1, hw_compat_7_1_len);
     s390mc->max_threads = S390_MAX_CPUS;
+    s390mc->topology_capable = false;
 }
 DEFINE_CCW_MACHINE(7_1, "7.1", false);
 
-- 
2.31.1