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| -rw-r--r-- | tests/avocado/kvm_xen_guest.py | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tests/avocado/kvm_xen_guest.py b/tests/avocado/kvm_xen_guest.py new file mode 100644 index 0000000000..5391283113 --- /dev/null +++ b/tests/avocado/kvm_xen_guest.py @@ -0,0 +1,171 @@ +# 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 + +import os + +from qemu.machine import machine + +from avocado_qemu import LinuxSSHMixIn +from avocado_qemu import QemuSystemTest +from avocado_qemu import wait_for_console_pattern + +class KVMXenGuest(QemuSystemTest, LinuxSSHMixIn): + """ + :avocado: tags=arch:x86_64 + :avocado: tags=machine:q35 + :avocado: tags=accel:kvm + :avocado: tags=kvm_xen_guest + """ + + KERNEL_DEFAULT = 'printk.time=0 root=/dev/xvda console=ttyS0' + + 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. + def get_asset(self, name, sha1): + base_url = ('https://fileserver.linaro.org/s/' + 'kE4nCFLdQcoBF9t/download?' + 'path=%2Fkvm-xen-guest&files=' ) + url = base_url + name + # use explicit name rather than failing to neatly parse the + # URL into a unique one + return self.fetch_asset(name=name, locations=(url), asset_hash=sha1) + + def common_vm_setup(self): + # We also catch lack of KVM_XEN support if we fail to launch + self.require_accelerator("kvm") + + 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.get_asset("bzImage", + "367962983d0d32109998a70b45dcee4672d0b045") + self.rootfs = self.get_asset("rootfs.ext4", + "f1478401ea4b3fa2ea196396be44315bab2bb5e4") + + def run_and_check(self): + self.vm.add_args('-kernel', self.kernel_path, + '-append', self.kernel_params, + '-drive', f"file={self.rootfs},if=none,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.cancel("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.cancel("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') + self.ssh_connect('root', '', False) + + self.ssh_command('cat /proc/cmdline') + self.ssh_command('dmesg | grep -e "Grant table initialized"') + + def test_kvm_xen_guest(self): + """ + :avocado: tags=kvm_xen_guest + """ + + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks') + self.run_and_check() + self.ssh_command('grep xen-pirq.*msi /proc/interrupts') + + def test_kvm_xen_guest_nomsi(self): + """ + :avocado: tags=kvm_xen_guest_nomsi + """ + + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks pci=nomsi') + self.run_and_check() + self.ssh_command('grep xen-pirq.* /proc/interrupts') + + def test_kvm_xen_guest_noapic_nomsi(self): + """ + :avocado: tags=kvm_xen_guest_noapic_nomsi + """ + + self.common_vm_setup() + + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks noapic pci=nomsi') + self.run_and_check() + self.ssh_command('grep xen-pirq /proc/interrupts') + + def test_kvm_xen_guest_vapic(self): + """ + :avocado: tags=kvm_xen_guest_vapic + """ + + 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() + self.ssh_command('grep xen-pirq /proc/interrupts') + self.ssh_command('grep PCI-MSI /proc/interrupts') + + def test_kvm_xen_guest_novector(self): + """ + :avocado: tags=kvm_xen_guest_novector + """ + + self.common_vm_setup() + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks' + + ' xen_no_vector_callback') + self.run_and_check() + self.ssh_command('grep xen-platform-pci /proc/interrupts') + + def test_kvm_xen_guest_novector_nomsi(self): + """ + :avocado: tags=kvm_xen_guest_novector_nomsi + """ + + 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() + self.ssh_command('grep xen-platform-pci /proc/interrupts') + + def test_kvm_xen_guest_novector_noapic(self): + """ + :avocado: tags=kvm_xen_guest_novector_noapic + """ + + self.common_vm_setup() + self.kernel_params = (self.KERNEL_DEFAULT + + ' xen_emul_unplug=ide-disks' + + ' xen_no_vector_callback noapic') + self.run_and_check() + self.ssh_command('grep xen-platform-pci /proc/interrupts') |