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s390x/ccw: create s390 phb conditionally

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Don't create the s390 pci host bridge if we do not provide the zpci
facility.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Cornelia Huck 2017-07-06 17:21:52 +02:00
parent 21eb052cf2
commit d32bd032d8
1 changed files with 8 additions and 6 deletions
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14
hw/s390x/s390-virtio-ccw.c
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@ -118,12 +118,11 @@ static void ccw_init(MachineState *machine)
{
int ret;
VirtualCssBus *css_bus;
DeviceState *dev;
s390_sclp_init();
s390_memory_init(machine->ram_size);
/* init CPUs */
/* init CPUs (incl. CPU model) early so s390_has_feature() works */
s390_init_cpus(machine);
s390_flic_init();
@ -134,10 +133,13 @@ static void ccw_init(MachineState *machine)
machine->initrd_filename, "s390-ccw.img",
"s390-netboot.img", true);
dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
OBJECT(dev), NULL);
qdev_init_nofail(dev);
if (s390_has_feat(S390_FEAT_ZPCI)) {
DeviceState *dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
object_property_add_child(qdev_get_machine(),
TYPE_S390_PCI_HOST_BRIDGE,
OBJECT(dev), NULL);
qdev_init_nofail(dev);
}
/* register hypercalls */
virtio_ccw_register_hcalls();