Commit b1da33b0 authored by Christoph Schlameuss's avatar Christoph Schlameuss Committed by Claudio Imbrenda
Browse files

KVM: s390: selftests: Add ucontrol gis routing test 



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: default avatarChristoph Schlameuss <schlameuss@linux.ibm.com>
Tested-by: default avatarHariharan Mari <hari55@linux.ibm.com>
Reviewed-by: default avatarHariharan Mari <hari55@linux.ibm.com>
Reviewed-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20241216092140.329196-5-schlameuss@linux.ibm.com


Message-ID: <20241216092140.329196-5-schlameuss@linux.ibm.com>
Signed-off-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
parent 5021fd77

tools/testing/selftests/kvm/s390x/ucontrol_test.c

+19 −0
Original line number Diff line number Diff line
@@ -783,4 +783,23 @@ 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