diff options
| -rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 13 | ||||
| -rw-r--r-- | include/hw/s390x/s390-virtio-ccw.h | 7 |
2 files changed, 20 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index df2b0556c5..75bce6be3a 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -209,6 +209,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data) s390mc->ri_allowed = true; s390mc->cpu_model_allowed = true; + s390mc->css_migration_enabled = false; /* TODO: set to true */ mc->init = ccw_init; mc->reset = s390_machine_reset; mc->hot_add_cpu = s390_hot_add_cpu; @@ -378,6 +379,11 @@ static const TypeInfo ccw_machine_info = { }, }; +bool css_migration_enabled(void) +{ + return get_machine_class()->css_migration_enabled; +} + #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ void *data) \ @@ -484,6 +490,10 @@ static const TypeInfo ccw_machine_info = { static void ccw_machine_2_10_instance_options(MachineState *machine) { + /* + * TODO Once preparations are done register vmstate for the css if + * css_migration_enabled(). + */ } static void ccw_machine_2_10_class_options(MachineClass *mc) @@ -498,8 +508,11 @@ static void ccw_machine_2_9_instance_options(MachineState *machine) static void ccw_machine_2_9_class_options(MachineClass *mc) { + S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); + ccw_machine_2_10_class_options(mc); SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9); + s390mc->css_migration_enabled = false; } DEFINE_CCW_MACHINE(2_9, "2.9", false); diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h index 3027555f6d..ab88d49d10 100644 --- a/include/hw/s390x/s390-virtio-ccw.h +++ b/include/hw/s390x/s390-virtio-ccw.h @@ -39,6 +39,7 @@ typedef struct S390CcwMachineClass { /*< public >*/ bool ri_allowed; bool cpu_model_allowed; + bool css_migration_enabled; } S390CcwMachineClass; /* runtime-instrumentation allowed by the machine */ @@ -46,4 +47,10 @@ bool ri_allowed(void); /* cpu model allowed by the machine */ bool cpu_model_allowed(void); +/** + * Returns true if (vmstate based) migration of the channel subsystem + * is enabled, false if it is disabled. + */ +bool css_migration_enabled(void); + #endif |