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Diffstat (limited to 'hw/s390x/s390-virtio-ccw.c')
-rw-r--r--hw/s390x/s390-virtio-ccw.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 657a45f..ce3921e 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -211,6 +211,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
s390mc->ri_allowed = true;
s390mc->cpu_model_allowed = true;
s390mc->css_migration_enabled = true;
+ s390mc->gs_allowed = true;
mc->init = ccw_init;
mc->reset = s390_machine_reset;
mc->hot_add_cpu = s390_hot_add_cpu;
@@ -288,6 +289,22 @@ bool cpu_model_allowed(void)
return get_machine_class()->cpu_model_allowed;
}
+bool gs_allowed(void)
+{
+ if (kvm_enabled()) {
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+ if (object_class_dynamic_cast(OBJECT_CLASS(mc),
+ TYPE_S390_CCW_MACHINE)) {
+ S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+
+ return s390mc->gs_allowed;
+ }
+ /* Make sure the "none" machine can have gs */
+ return true;
+ }
+ return false;
+}
+
static char *machine_get_loadparm(Object *obj, Error **errp)
{
S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
@@ -515,6 +532,7 @@ static void ccw_machine_2_9_class_options(MachineClass *mc)
{
S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+ s390mc->gs_allowed = false;
ccw_machine_2_10_class_options(mc);
SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
s390mc->css_migration_enabled = false;