| #!/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 |
| |
| import os |
| |
| 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.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): |
| """ |
| :avocado: tags=kvm_xen_guest |
| """ |
| |
| 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): |
| """ |
| :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() |
| exec_command_and_wait_for_pattern(self, |
| 'grep xen-pirq.* /proc/interrupts', |
| 'virtio0') |
| |
| 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() |
| exec_command_and_wait_for_pattern(self, |
| 'grep xen-pirq /proc/interrupts', |
| 'virtio0') |
| |
| 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() |
| 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): |
| """ |
| :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() |
| exec_command_and_wait_for_pattern(self, |
| 'grep xen-platform-pci /proc/interrupts', |
| 'fasteoi') |
| |
| 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() |
| exec_command_and_wait_for_pattern(self, |
| 'grep xen-platform-pci /proc/interrupts', |
| 'IO-APIC') |
| |
| 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() |
| exec_command_and_wait_for_pattern(self, |
| 'grep xen-platform-pci /proc/interrupts', |
| 'XT-PIC') |
| |
| if __name__ == '__main__': |
| QemuSystemTest.main() |
