| # 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,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.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') |
