Add a selftests for the interrupt routing configuration when using ucontrol VMs.
Calling the test may trigger a null pointer dereferences on kernels not containing the fixes in this patch series.
Signed-off-by: Christoph Schlameuss schlameuss@linux.ibm.com --- .../selftests/kvm/s390x/ucontrol_test.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/tools/testing/selftests/kvm/s390x/ucontrol_test.c b/tools/testing/selftests/kvm/s390x/ucontrol_test.c index 972fac1023b5..d3a5dbfabade 100644 --- a/tools/testing/selftests/kvm/s390x/ucontrol_test.c +++ b/tools/testing/selftests/kvm/s390x/ucontrol_test.c @@ -785,4 +785,23 @@ TEST_F(uc_kvm, uc_flic_attrs) close(cd.fd); }
+TEST_F(uc_kvm, uc_set_gsi_routing) +{ + struct kvm_irq_routing *routing = kvm_gsi_routing_create(); + struct kvm_irq_routing_entry ue = { + .type = KVM_IRQ_ROUTING_S390_ADAPTER, + .gsi = 1, + .u.adapter = (struct kvm_irq_routing_s390_adapter) { + .ind_addr = 0, + }, + }; + int rc; + + routing->entries[0] = ue; + routing->nr = 1; + rc = ioctl(self->vm_fd, KVM_SET_GSI_ROUTING, routing); + ASSERT_EQ(-1, rc) TH_LOG("err %s (%i)", strerror(errno), errno); + ASSERT_EQ(EINVAL, errno) TH_LOG("err %s (%i)", strerror(errno), errno); +} + TEST_HARNESS_MAIN