| 1 | #!/usr/bin/env python3 |
| 2 | # |
| 3 | # KVM Xen guest functional tests |
| 4 | # |
| 5 | # Copyright © 2021 Red Hat, Inc. |
| 6 | # Copyright © 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| 7 | # |
| 8 | # Author: |
| 9 | # David Woodhouse <dwmw2@infradead.org> |
| 10 | # Alex Bennée <alex.bennee@linaro.org> |
| 11 | # |
| 12 | # SPDX-License-Identifier: GPL-2.0-or-later |
| 13 | |
| 14 | from qemu.machine import machine |
| 15 | |
| 16 | from qemu_test import QemuSystemTest, Asset, exec_command_and_wait_for_pattern |
| 17 | from qemu_test import wait_for_console_pattern |
| 18 | |
| 19 | class KVMXenGuest(QemuSystemTest): |
| 20 | |
| 21 | KERNEL_DEFAULT = 'printk.time=0 root=/dev/xvda console=ttyS0 quiet' |
| 22 | |
| 23 | kernel_path = None |
| 24 | kernel_params = None |
| 25 | |
| 26 | ASSET_KERNEL = Asset('https://share.linaro.org/downloadFile?id=UG0V8dzzHrrHb9X', |
| 27 | 'ec0ad7bb8c33c5982baee0a75505fe7dbf29d3ff5d44258204d6307c6fe0132a') |
| 28 | |
| 29 | ASSET_ROOTFS = Asset('https://share.linaro.org/downloadFile?id=VwLRKDXKFl6oKti', |
| 30 | 'b11045d649006c649c184e93339aaa41a8fe20a1a86620af70323252eb29e40b') |
| 31 | |
| 32 | def common_vm_setup(self): |
| 33 | # We also catch lack of KVM_XEN support if we fail to launch |
| 34 | self.require_accelerator("kvm") |
| 35 | self.require_netdev('user') |
| 36 | |
| 37 | self.vm.set_console() |
| 38 | |
| 39 | self.vm.add_args("-accel", "kvm,xen-version=0x4000a,kernel-irqchip=split") |
| 40 | self.vm.add_args("-smp", "2") |
| 41 | |
| 42 | self.kernel_path = self.ASSET_KERNEL.fetch() |
| 43 | self.rootfs = self.ASSET_ROOTFS.fetch() |
| 44 | |
| 45 | def run_and_check(self): |
| 46 | self.vm.add_args('-kernel', self.kernel_path, |
| 47 | '-append', self.kernel_params, |
| 48 | '-drive', f"file={self.rootfs},if=none,snapshot=on,format=raw,id=drv0", |
| 49 | '-device', 'xen-disk,drive=drv0,vdev=xvda', |
| 50 | '-device', 'virtio-net-pci,netdev=unet', |
| 51 | '-netdev', 'user,id=unet,hostfwd=:127.0.0.1:0-:22') |
| 52 | |
| 53 | try: |
| 54 | self.vm.launch() |
| 55 | except machine.VMLaunchFailure as e: |
| 56 | if "Xen HVM guest support not present" in e.output: |
| 57 | self.skipTest("KVM Xen support is not present " |
| 58 | "(need v5.12+ kernel with CONFIG_KVM_XEN)") |
| 59 | elif "Property 'kvm-accel.xen-version' not found" in e.output: |
| 60 | self.skipTest("QEMU not built with CONFIG_XEN_EMU support") |
| 61 | else: |
| 62 | raise e |
| 63 | |
| 64 | self.log.info('VM launched, waiting for sshd') |
| 65 | console_pattern = 'Starting dropbear sshd: OK' |
| 66 | wait_for_console_pattern(self, console_pattern, 'Oops') |
| 67 | self.log.info('sshd ready') |
| 68 | |
| 69 | exec_command_and_wait_for_pattern(self, 'cat /proc/cmdline', 'xen') |
| 70 | exec_command_and_wait_for_pattern(self, 'dmesg | grep "Grant table"', |
| 71 | 'Grant table initialized') |
| 72 | wait_for_console_pattern(self, '#', 'Oops') |
| 73 | |
| 74 | def test_kvm_xen_guest(self): |
| 75 | self.common_vm_setup() |
| 76 | |
| 77 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 78 | ' xen_emul_unplug=ide-disks') |
| 79 | self.run_and_check() |
| 80 | exec_command_and_wait_for_pattern(self, |
| 81 | 'grep xen-pirq.*msi /proc/interrupts', |
| 82 | 'virtio0-output') |
| 83 | |
| 84 | def test_kvm_xen_guest_nomsi(self): |
| 85 | self.common_vm_setup() |
| 86 | |
| 87 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 88 | ' xen_emul_unplug=ide-disks pci=nomsi') |
| 89 | self.run_and_check() |
| 90 | exec_command_and_wait_for_pattern(self, |
| 91 | 'grep xen-pirq.* /proc/interrupts', |
| 92 | 'virtio0') |
| 93 | |
| 94 | def test_kvm_xen_guest_noapic_nomsi(self): |
| 95 | self.common_vm_setup() |
| 96 | |
| 97 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 98 | ' xen_emul_unplug=ide-disks noapic pci=nomsi') |
| 99 | self.run_and_check() |
| 100 | exec_command_and_wait_for_pattern(self, |
| 101 | 'grep xen-pirq /proc/interrupts', |
| 102 | 'virtio0') |
| 103 | |
| 104 | def test_kvm_xen_guest_vapic(self): |
| 105 | self.common_vm_setup() |
| 106 | self.vm.add_args('-cpu', 'host,+xen-vapic') |
| 107 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 108 | ' xen_emul_unplug=ide-disks') |
| 109 | self.run_and_check() |
| 110 | exec_command_and_wait_for_pattern(self, |
| 111 | 'grep xen-pirq /proc/interrupts', |
| 112 | 'acpi') |
| 113 | wait_for_console_pattern(self, '#') |
| 114 | exec_command_and_wait_for_pattern(self, |
| 115 | 'grep PCI-MSI /proc/interrupts', |
| 116 | 'virtio0-output') |
| 117 | |
| 118 | def test_kvm_xen_guest_novector(self): |
| 119 | self.common_vm_setup() |
| 120 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 121 | ' xen_emul_unplug=ide-disks' + |
| 122 | ' xen_no_vector_callback') |
| 123 | self.run_and_check() |
| 124 | exec_command_and_wait_for_pattern(self, |
| 125 | 'grep xen-platform-pci /proc/interrupts', |
| 126 | 'fasteoi') |
| 127 | |
| 128 | def test_kvm_xen_guest_novector_nomsi(self): |
| 129 | self.common_vm_setup() |
| 130 | |
| 131 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 132 | ' xen_emul_unplug=ide-disks pci=nomsi' + |
| 133 | ' xen_no_vector_callback') |
| 134 | self.run_and_check() |
| 135 | exec_command_and_wait_for_pattern(self, |
| 136 | 'grep xen-platform-pci /proc/interrupts', |
| 137 | 'IO-APIC') |
| 138 | |
| 139 | def test_kvm_xen_guest_novector_noapic(self): |
| 140 | self.common_vm_setup() |
| 141 | self.kernel_params = (self.KERNEL_DEFAULT + |
| 142 | ' xen_emul_unplug=ide-disks' + |
| 143 | ' xen_no_vector_callback noapic') |
| 144 | self.run_and_check() |
| 145 | exec_command_and_wait_for_pattern(self, |
| 146 | 'grep xen-platform-pci /proc/interrupts', |
| 147 | 'XT-PIC') |
| 148 | |
| 149 | if __name__ == '__main__': |
| 150 | QemuSystemTest.main() |