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authorCornelia Huck <cohuck@redhat.com>2017-07-06 17:21:52 +0200
committerCornelia Huck <cohuck@redhat.com>2017-08-30 18:23:25 +0200
commitd32bd032d8fde41281aae34c16a4aa97e9acfeac (patch)
tree9a80bec5cd8a8496c57be0373acfb23155d91b73 /hw
parent21eb052cf2934fcf94e671f0a84d596874538459 (diff)
s390x/ccw: create s390 phb conditionally
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/s390x/s390-virtio-ccw.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index d3d67b8d77..8331c0a275 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -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();