1*c8cb6032SDavid Woodhouse# KVM Xen guest functional tests 2*c8cb6032SDavid Woodhouse# 3*c8cb6032SDavid Woodhouse# Copyright © 2021 Red Hat, Inc. 4*c8cb6032SDavid Woodhouse# Copyright © 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. 5*c8cb6032SDavid Woodhouse# 6*c8cb6032SDavid Woodhouse# Author: 7*c8cb6032SDavid Woodhouse# David Woodhouse <dwmw2@infradead.org> 8*c8cb6032SDavid Woodhouse# Alex Bennée <alex.bennee@linaro.org> 9*c8cb6032SDavid Woodhouse# 10*c8cb6032SDavid Woodhouse# SPDX-License-Identifier: GPL-2.0-or-later 11*c8cb6032SDavid Woodhouse 12*c8cb6032SDavid Woodhouseimport os 13*c8cb6032SDavid Woodhouse 14*c8cb6032SDavid Woodhousefrom qemu.machine import machine 15*c8cb6032SDavid Woodhouse 16*c8cb6032SDavid Woodhousefrom avocado_qemu import LinuxSSHMixIn 17*c8cb6032SDavid Woodhousefrom avocado_qemu import QemuSystemTest 18*c8cb6032SDavid Woodhousefrom avocado_qemu import wait_for_console_pattern 19*c8cb6032SDavid Woodhouse 20*c8cb6032SDavid Woodhouseclass KVMXenGuest(QemuSystemTest, LinuxSSHMixIn): 21*c8cb6032SDavid Woodhouse """ 22*c8cb6032SDavid Woodhouse :avocado: tags=arch:x86_64 23*c8cb6032SDavid Woodhouse :avocado: tags=machine:q35 24*c8cb6032SDavid Woodhouse :avocado: tags=accel:kvm 25*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest 26*c8cb6032SDavid Woodhouse """ 27*c8cb6032SDavid Woodhouse 28*c8cb6032SDavid Woodhouse KERNEL_DEFAULT = 'printk.time=0 root=/dev/xvda console=ttyS0' 29*c8cb6032SDavid Woodhouse 30*c8cb6032SDavid Woodhouse kernel_path = None 31*c8cb6032SDavid Woodhouse kernel_params = None 32*c8cb6032SDavid Woodhouse 33*c8cb6032SDavid Woodhouse # Fetch assets from the kvm-xen-guest subdir of my shared test 34*c8cb6032SDavid Woodhouse # images directory on fileserver.linaro.org where you can find 35*c8cb6032SDavid Woodhouse # build instructions for how they where assembled. 36*c8cb6032SDavid Woodhouse def get_asset(self, name, sha1): 37*c8cb6032SDavid Woodhouse base_url = ('https://fileserver.linaro.org/s/' 38*c8cb6032SDavid Woodhouse 'kE4nCFLdQcoBF9t/download?' 39*c8cb6032SDavid Woodhouse 'path=%2Fkvm-xen-guest&files=' ) 40*c8cb6032SDavid Woodhouse url = base_url + name 41*c8cb6032SDavid Woodhouse # use explicit name rather than failing to neatly parse the 42*c8cb6032SDavid Woodhouse # URL into a unique one 43*c8cb6032SDavid Woodhouse return self.fetch_asset(name=name, locations=(url), asset_hash=sha1) 44*c8cb6032SDavid Woodhouse 45*c8cb6032SDavid Woodhouse def common_vm_setup(self): 46*c8cb6032SDavid Woodhouse # We also catch lack of KVM_XEN support if we fail to launch 47*c8cb6032SDavid Woodhouse self.require_accelerator("kvm") 48*c8cb6032SDavid Woodhouse 49*c8cb6032SDavid Woodhouse self.vm.set_console() 50*c8cb6032SDavid Woodhouse 51*c8cb6032SDavid Woodhouse self.vm.add_args("-accel", "kvm,xen-version=0x4000a,kernel-irqchip=split") 52*c8cb6032SDavid Woodhouse self.vm.add_args("-smp", "2") 53*c8cb6032SDavid Woodhouse 54*c8cb6032SDavid Woodhouse self.kernel_path = self.get_asset("bzImage", 55*c8cb6032SDavid Woodhouse "367962983d0d32109998a70b45dcee4672d0b045") 56*c8cb6032SDavid Woodhouse self.rootfs = self.get_asset("rootfs.ext4", 57*c8cb6032SDavid Woodhouse "f1478401ea4b3fa2ea196396be44315bab2bb5e4") 58*c8cb6032SDavid Woodhouse 59*c8cb6032SDavid Woodhouse def run_and_check(self): 60*c8cb6032SDavid Woodhouse self.vm.add_args('-kernel', self.kernel_path, 61*c8cb6032SDavid Woodhouse '-append', self.kernel_params, 62*c8cb6032SDavid Woodhouse '-drive', f"file={self.rootfs},if=none,format=raw,id=drv0", 63*c8cb6032SDavid Woodhouse '-device', 'xen-disk,drive=drv0,vdev=xvda', 64*c8cb6032SDavid Woodhouse '-device', 'virtio-net-pci,netdev=unet', 65*c8cb6032SDavid Woodhouse '-netdev', 'user,id=unet,hostfwd=:127.0.0.1:0-:22') 66*c8cb6032SDavid Woodhouse 67*c8cb6032SDavid Woodhouse try: 68*c8cb6032SDavid Woodhouse self.vm.launch() 69*c8cb6032SDavid Woodhouse except machine.VMLaunchFailure as e: 70*c8cb6032SDavid Woodhouse if "Xen HVM guest support not present" in e.output: 71*c8cb6032SDavid Woodhouse self.cancel("KVM Xen support is not present " 72*c8cb6032SDavid Woodhouse "(need v5.12+ kernel with CONFIG_KVM_XEN)") 73*c8cb6032SDavid Woodhouse elif "Property 'kvm-accel.xen-version' not found" in e.output: 74*c8cb6032SDavid Woodhouse self.cancel("QEMU not built with CONFIG_XEN_EMU support") 75*c8cb6032SDavid Woodhouse else: 76*c8cb6032SDavid Woodhouse raise e 77*c8cb6032SDavid Woodhouse 78*c8cb6032SDavid Woodhouse self.log.info('VM launched, waiting for sshd') 79*c8cb6032SDavid Woodhouse console_pattern = 'Starting dropbear sshd: OK' 80*c8cb6032SDavid Woodhouse wait_for_console_pattern(self, console_pattern, 'Oops') 81*c8cb6032SDavid Woodhouse self.log.info('sshd ready') 82*c8cb6032SDavid Woodhouse self.ssh_connect('root', '', False) 83*c8cb6032SDavid Woodhouse 84*c8cb6032SDavid Woodhouse self.ssh_command('cat /proc/cmdline') 85*c8cb6032SDavid Woodhouse self.ssh_command('dmesg | grep -e "Grant table initialized"') 86*c8cb6032SDavid Woodhouse 87*c8cb6032SDavid Woodhouse def test_kvm_xen_guest(self): 88*c8cb6032SDavid Woodhouse """ 89*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest 90*c8cb6032SDavid Woodhouse """ 91*c8cb6032SDavid Woodhouse 92*c8cb6032SDavid Woodhouse self.common_vm_setup() 93*c8cb6032SDavid Woodhouse 94*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 95*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks') 96*c8cb6032SDavid Woodhouse self.run_and_check() 97*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-pirq.*msi /proc/interrupts') 98*c8cb6032SDavid Woodhouse 99*c8cb6032SDavid Woodhouse def test_kvm_xen_guest_nomsi(self): 100*c8cb6032SDavid Woodhouse """ 101*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest_nomsi 102*c8cb6032SDavid Woodhouse """ 103*c8cb6032SDavid Woodhouse 104*c8cb6032SDavid Woodhouse self.common_vm_setup() 105*c8cb6032SDavid Woodhouse 106*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 107*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks pci=nomsi') 108*c8cb6032SDavid Woodhouse self.run_and_check() 109*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-pirq.* /proc/interrupts') 110*c8cb6032SDavid Woodhouse 111*c8cb6032SDavid Woodhouse def test_kvm_xen_guest_noapic_nomsi(self): 112*c8cb6032SDavid Woodhouse """ 113*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest_noapic_nomsi 114*c8cb6032SDavid Woodhouse """ 115*c8cb6032SDavid Woodhouse 116*c8cb6032SDavid Woodhouse self.common_vm_setup() 117*c8cb6032SDavid Woodhouse 118*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 119*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks noapic pci=nomsi') 120*c8cb6032SDavid Woodhouse self.run_and_check() 121*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-pirq /proc/interrupts') 122*c8cb6032SDavid Woodhouse 123*c8cb6032SDavid Woodhouse def test_kvm_xen_guest_vapic(self): 124*c8cb6032SDavid Woodhouse """ 125*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest_vapic 126*c8cb6032SDavid Woodhouse """ 127*c8cb6032SDavid Woodhouse 128*c8cb6032SDavid Woodhouse self.common_vm_setup() 129*c8cb6032SDavid Woodhouse self.vm.add_args('-cpu', 'host,+xen-vapic') 130*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 131*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks') 132*c8cb6032SDavid Woodhouse self.run_and_check() 133*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-pirq /proc/interrupts') 134*c8cb6032SDavid Woodhouse self.ssh_command('grep PCI-MSI /proc/interrupts') 135*c8cb6032SDavid Woodhouse 136*c8cb6032SDavid Woodhouse def test_kvm_xen_guest_novector(self): 137*c8cb6032SDavid Woodhouse """ 138*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest_novector 139*c8cb6032SDavid Woodhouse """ 140*c8cb6032SDavid Woodhouse 141*c8cb6032SDavid Woodhouse self.common_vm_setup() 142*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 143*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks' + 144*c8cb6032SDavid Woodhouse ' xen_no_vector_callback') 145*c8cb6032SDavid Woodhouse self.run_and_check() 146*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-platform-pci /proc/interrupts') 147*c8cb6032SDavid Woodhouse 148*c8cb6032SDavid Woodhouse def test_kvm_xen_guest_novector_nomsi(self): 149*c8cb6032SDavid Woodhouse """ 150*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest_novector_nomsi 151*c8cb6032SDavid Woodhouse """ 152*c8cb6032SDavid Woodhouse 153*c8cb6032SDavid Woodhouse self.common_vm_setup() 154*c8cb6032SDavid Woodhouse 155*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 156*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks pci=nomsi' + 157*c8cb6032SDavid Woodhouse ' xen_no_vector_callback') 158*c8cb6032SDavid Woodhouse self.run_and_check() 159*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-platform-pci /proc/interrupts') 160*c8cb6032SDavid Woodhouse 161*c8cb6032SDavid Woodhouse def test_kvm_xen_guest_novector_noapic(self): 162*c8cb6032SDavid Woodhouse """ 163*c8cb6032SDavid Woodhouse :avocado: tags=kvm_xen_guest_novector_noapic 164*c8cb6032SDavid Woodhouse """ 165*c8cb6032SDavid Woodhouse 166*c8cb6032SDavid Woodhouse self.common_vm_setup() 167*c8cb6032SDavid Woodhouse self.kernel_params = (self.KERNEL_DEFAULT + 168*c8cb6032SDavid Woodhouse ' xen_emul_unplug=ide-disks' + 169*c8cb6032SDavid Woodhouse ' xen_no_vector_callback noapic') 170*c8cb6032SDavid Woodhouse self.run_and_check() 171*c8cb6032SDavid Woodhouse self.ssh_command('grep xen-platform-pci /proc/interrupts') 172