diff options
Diffstat (limited to 'tests/functional/x86_64/test_kvm_xen.py')
| -rwxr-xr-x | tests/functional/x86_64/test_kvm_xen.py | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/tests/functional/x86_64/test_kvm_xen.py b/tests/functional/x86_64/test_kvm_xen.py new file mode 100755 index 0000000000..a5d445023c --- /dev/null +++ b/tests/functional/x86_64/test_kvm_xen.py @@ -0,0 +1,157 @@ +#!/usr/bin/env python3 +# +# KVM Xen guest functional tests +# +# Copyright © 2021 Red Hat, Inc. +# Copyright © 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. +# +# Author: +# David Woodhouse <dwmw2@infradead.org> +# Alex Bennée <alex.bennee@linaro.org> +# +# SPDX-License-Identifier: GPL-2.0-or-later + +from qemu.machine import machine + +from qemu_test import QemuSystemTest, Asset, exec_command_and_wait_for_pattern +from qemu_test import wait_for_console_pattern + +class KVMXenGuest(QemuSystemTest): + + KERNEL_DEFAULT = 'printk.time=0 root=/dev/xvda console=ttyS0 quiet' + + kernel_path = None + kernel_params = None + + # Fetch assets from the kvm-xen-guest subdir of my shared test + # images directory on fileserver.linaro.org where you can find + # build instructions for how they where assembled. + ASSET_KERNEL = Asset( + ('https://fileserver.linaro.org/s/kE4nCFLdQcoBF9t/download?' + 'path=%2Fkvm-xen-guest&files=bzImage'), + 'ec0ad7bb8c33c5982baee0a75505fe7dbf29d3ff5d44258204d6307c6fe0132a') + + ASSET_ROOTFS = Asset( + ('https://fileserver.linaro.org/s/kE4nCFLdQcoBF9t/download?' + 'path=%2Fkvm-xen-guest&files=rootfs.ext4'), + 'b11045d649006c649c184e93339aaa41a8fe20a1a86620af70323252eb29e40b') + + def common_vm_setup(self): + # We also catch lack of KVM_XEN support if we fail to launch + self.require_accelerator("kvm") + self.require_netdev('user') + + self.vm.set_console() + + self.vm.add_args("-accel", "kvm,xen-version=0x4000a,kernel-irqchip=split") + self.vm.add_args("-smp", "2") + + self.kernel_path = self.ASSET_KERNEL.fetch() + self.rootfs = self.ASSET_ROOTFS.fetch() + + def run_and_check(self): + self.vm.add_args('-kernel', self.kernel_path, + '-append', self.kernel_params, + '-drive', f"file={self.rootfs},if=none,snapshot=on,format=raw,id=drv0", + '-device', 'xen-disk,drive=drv0,vdev=xvda', + '-device', 'virtio-net-pci,netdev=unet', + '-netdev', 'user,id=unet,hostfwd=:127.0.0.1:0-:22') + + try: + self.vm.launch() + except machine.VMLaunchFailure as e: + if "Xen HVM guest support not present" in e.output: + self.skipTest("KVM Xen support is not present " + "(need v5.12+ kernel with CONFIG_KVM_XEN)") + elif "Property 'kvm-accel.xen-version' not found" in e.output: + self.skipTest("QEMU not built with CONFIG_XEN_EMU support") + else: + raise e + + self.log.info('VM launched, waiting for sshd') + console_pattern = 'Starting dropbear sshd: OK' + wait_for_console_pattern(self, console_pattern, 'Oops') + self.log.info('sshd ready') + + exec_command_and_wait_for_pattern(self, 'cat /proc/cmdline', 'xen') + exec_command_and_wait_for_pattern(self, 'dmesg | grep "Grant table"', + 'Grant table initialized') + wait_for_console_pattern(self, '#', 'Oops') + + def test_kvm_xen_guest(self): + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-pirq.*msi /proc/interrupts', + 'virtio0-output') + + def test_kvm_xen_guest_nomsi(self): + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks pci=nomsi') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-pirq.* /proc/interrupts', + 'virtio0') + + def test_kvm_xen_guest_noapic_nomsi(self): + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks noapic pci=nomsi') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-pirq /proc/interrupts', + 'virtio0') + + def test_kvm_xen_guest_vapic(self): + self.common_vm_setup() + self.vm.add_args('-cpu', 'host,+xen-vapic') + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-pirq /proc/interrupts', + 'acpi') + wait_for_console_pattern(self, '#') + exec_command_and_wait_for_pattern(self, + 'grep PCI-MSI /proc/interrupts', + 'virtio0-output') + + def test_kvm_xen_guest_novector(self): + self.common_vm_setup() + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks' + + ' xen_no_vector_callback') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-platform-pci /proc/interrupts', + 'fasteoi') + + def test_kvm_xen_guest_novector_nomsi(self): + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks pci=nomsi' + + ' xen_no_vector_callback') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-platform-pci /proc/interrupts', + 'IO-APIC') + + def test_kvm_xen_guest_novector_noapic(self): + self.common_vm_setup() + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks' + + ' xen_no_vector_callback noapic') + self.run_and_check() + exec_command_and_wait_for_pattern(self, + 'grep xen-platform-pci /proc/interrupts', + 'XT-PIC') + +if __name__ == '__main__': + QemuSystemTest.main() |