tests/functional/s390x: Add secure IPL functional test
Add functional test for secure IPL. Signed-off-by: Zhuoying Cai <zycai@linux.ibm.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Link: https://lore.kernel.org/qemu-devel/20260730214624.2328883-32-zycai@linux.ibm.com Signed-off-by: Eric Farman <farman@linux.ibm.com>
Zhuoying Cai committed
Jul 30, 2026 at 17:46 UTC
98b25fc4a8c25aad12c6550fc6f6440cca363099
2 files changed
+174
tests/functional/s390x/meson.build
+2
@@ -2,6 +2,7 @@
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test_s390x_timeouts = {
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'ccw_virtio' : 420,
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+ 'secure_ipl' : 360,
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}
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tests_s390x_system_quick = [
@@ -14,6 +15,7 @@ tests_s390x_system_thorough = [
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'ccw_virtio',
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'pxelinux',
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'replay',
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+ 'secure_ipl',
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'topology',
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'tuxrun',
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]
tests/functional/s390x/test_secure_ipl.py
new
+172
@@ -0,0 +1,172 @@
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+#!/usr/bin/env python3
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+#
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+# SPDX-License-Identifier: GPL-2.0-or-later
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+"""
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+s390x Secure IPL functional test.
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+
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+Validates s390x secure boot by preparing a signed guest image, booting with
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+secure-boot enabled, and verifying cryptographic validation results.
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+"""
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+
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+from subprocess import check_call, DEVNULL
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+
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+from qemu_test import QemuSystemTest, Asset, get_qemu_img
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+from qemu_test import exec_command_and_wait_for_pattern, exec_command
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+from qemu_test import wait_for_console_pattern, skipBigDataTest
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+
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+class S390xSecureIpl(QemuSystemTest):
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+ """Test s390x Secure IPL (secure boot) functionality."""
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+ ASSET_F40_QCOW2 = Asset(
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+ ('https://archives.fedoraproject.org/pub/archive/'
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+ 'fedora-secondary/releases/40/Server/s390x/images/'
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+ 'Fedora-Server-KVM-40-1.14.s390x.qcow2'),
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+ '091c232a7301be14e19c76ce9a0c1cbd2be2c4157884a731e1fc4f89e7455a5f')
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+
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+ def __init__(self, *args, **kwargs):
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+ super().__init__(*args, **kwargs)
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+ self.root_password = None
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+ self.qcow2_path = None
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+ self.cert_path = None
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+ self.prompt = None
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+
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+ def _create_certificate(self, vm):
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+ """Generate x509 certificate"""
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+ exec_command_and_wait_for_pattern(self,
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+ 'openssl version', 'OpenSSL 3.2.1 30',
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+ vm=vm)
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+ exec_command_and_wait_for_pattern(self,
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+ 'openssl req -new -x509 -newkey rsa:2048 '
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+ '-keyout mykey.pem -outform PEM -out mycert.pem '
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+ '-days 36500 -subj "/CN=My Name/" -nodes -verbose',
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+ 'Writing private key to \'mykey.pem\'', vm=vm)
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+
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+ def _sign_binaries(self, vm):
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+ """Sign stage3 binary and kernel"""
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+ # Install kernel-devel (needed for sign-file)
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+ exec_command_and_wait_for_pattern(self,
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+ 'sudo dnf install kernel-devel-$(uname -r) -y',
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+ 'Complete!', vm=vm)
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+ wait_for_console_pattern(self, self.prompt, vm=vm)
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+ exec_command_and_wait_for_pattern(self,
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+ 'ls /usr/src/kernels/$(uname -r)/scripts/',
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+ 'sign-file', vm=vm)
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+
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+ # Sign stage3 binary and kernel
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+ exec_command(self, '/usr/src/kernels/$(uname -r)/scripts/sign-file '
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+ 'sha256 mykey.pem mycert.pem /lib/s390-tools/stage3.bin',
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+ vm=vm)
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+ wait_for_console_pattern(self, self.prompt, vm=vm)
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+ exec_command(self, '/usr/src/kernels/$(uname -r)/scripts/sign-file '
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+ 'sha256 mykey.pem mycert.pem /boot/vmlinuz-$(uname -r)',
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+ vm=vm)
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+ wait_for_console_pattern(self, self.prompt, vm=vm)
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+
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+ def _run_zipl_secure(self, vm):
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+ """Run zipl to prepare for secure boot"""
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+ exec_command_and_wait_for_pattern(self, 'zipl --secure 1 -VV', 'Done.',
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+ vm=vm)
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+
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+ def _extract_certificate(self, vm):
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+ """Extract certificate from VM to host filesystem"""
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+ out = exec_command_and_wait_for_pattern(self, 'cat mycert.pem',
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+ '-----END CERTIFICATE-----',
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+ vm=vm)
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+ # strip first line to avoid console echo artifacts
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+ cert = "\n".join(out.decode("utf-8").splitlines()[1:])
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+ self.log.info("%s", cert)
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+
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+ self.cert_path = self.scratch_file("mycert.pem")
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+
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+ with open(self.cert_path, 'w', encoding="utf-8") as file_object:
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+ file_object.write(cert)
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+
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+ def setup_s390x_secure_ipl(self):
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+ """
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+ Prepare a secure boot-enabled guest image.
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+
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+ Boots a temporary VM to generate a certificate, sign boot components
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+ (stage3 and kernel), run zipl, and extract the certificate to host.
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+ """
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+ self.require_netdev('user')
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+
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+ temp_vm = self.get_vm(name='sipl_setup')
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+ temp_vm.set_machine('s390-ccw-virtio')
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+
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+ asset_path = self.ASSET_F40_QCOW2.fetch()
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+ self.qcow2_path = self.scratch_file('f40.qcow2')
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+ qemu_img = get_qemu_img(self)
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+ check_call([qemu_img, 'create', '-f', 'qcow2', '-b', asset_path,
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+ '-F', 'qcow2', self.qcow2_path], stdout=DEVNULL, stderr=DEVNULL)
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+
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+ temp_vm.set_console()
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+ temp_vm.add_args('-nographic',
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+ '-accel', 'kvm',
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+ '-m', '1024',
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+ '-drive',
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+ f'id=drive0,if=none,format=qcow2,file={self.qcow2_path}',
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+ '-device', 'virtio-blk-ccw,drive=drive0,bootindex=1')
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+ temp_vm.launch()
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+
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+ # Initial root account setup (Fedora first boot screen)
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+ self.root_password = 'fedora40password'
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+ wait_for_console_pattern(self, 'Please make a selection from the above',
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+ vm=temp_vm)
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+ exec_command_and_wait_for_pattern(self, '4', 'Password:', vm=temp_vm)
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+ exec_command_and_wait_for_pattern(self, self.root_password,
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+ 'Password (confirm):', vm=temp_vm)
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+ exec_command_and_wait_for_pattern(self, self.root_password,
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+ 'Please make a selection from the above',
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+ vm=temp_vm)
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+
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+ # Login as root
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+ self.prompt = '[root@localhost ~]#'
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+ exec_command_and_wait_for_pattern(self, 'c', 'localhost login:', vm=temp_vm)
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+ exec_command_and_wait_for_pattern(self, 'root', 'Password:', vm=temp_vm)
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+ exec_command_and_wait_for_pattern(self, self.root_password, self.prompt,
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+ vm=temp_vm)
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+
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+ self._create_certificate(temp_vm)
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+ self._sign_binaries(temp_vm)
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+ self._run_zipl_secure(temp_vm)
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+ self._extract_certificate(temp_vm)
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+
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+ # Shutdown temp vm
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+ temp_vm.shutdown()
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+
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+ @skipBigDataTest()
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+ def test_s390x_secure_ipl(self):
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+ """
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+ Verify secure boot validation during s390x guest boot.
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+
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+ Expects two "Verified component" messages and confirms
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+ /sys/firmware/ipl/secure reports secure boot is active.
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+ """
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+ self.require_accelerator('kvm')
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+ self.setup_s390x_secure_ipl()
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+
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+ self.set_machine('s390-ccw-virtio')
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+
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+ self.vm.set_console()
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+ self.vm.add_args('-nographic',
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+ '-machine', 's390-ccw-virtio,secure-boot=on,'
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+ f'boot-certs.0.path={self.cert_path}',
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+ '-accel', 'kvm',
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+ '-m', '1024',
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+ '-drive',
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+ f'id=drive1,if=none,format=qcow2,file={self.qcow2_path}',
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+ '-device', 'virtio-blk-ccw,drive=drive1,bootindex=1')
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+ self.vm.launch()
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+
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+ # Expect two verified components
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+ verified_output = "Verified component"
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+ wait_for_console_pattern(self, verified_output)
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+ wait_for_console_pattern(self, verified_output)
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+
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+ # Login and verify the vm is booted using secure boot
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+ wait_for_console_pattern(self, 'localhost login:')
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+ exec_command_and_wait_for_pattern(self, 'root', 'Password:')
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+ exec_command_and_wait_for_pattern(self, self.root_password, self.prompt)
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+ exec_command_and_wait_for_pattern(self, 'cat /sys/firmware/ipl/secure', '1')
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+
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+if __name__ == '__main__':
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+ QemuSystemTest.main()