diff options
Diffstat (limited to 'tests/functional/test_ppc64_hv.py')
| -rwxr-xr-x | tests/functional/test_ppc64_hv.py | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/tests/functional/test_ppc64_hv.py b/tests/functional/test_ppc64_hv.py new file mode 100755 index 0000000..d87f440 --- /dev/null +++ b/tests/functional/test_ppc64_hv.py @@ -0,0 +1,165 @@ +#!/usr/bin/env python3 +# +# Tests that specifically try to exercise hypervisor features of the +# target machines. powernv supports the Power hypervisor ISA, and +# pseries supports the nested-HV hypervisor spec. +# +# Copyright (c) 2023 IBM Corporation +# +# This work is licensed under the terms of the GNU GPL, version 2 or +# later. See the COPYING file in the top-level directory. + +import os +import subprocess + +from datetime import datetime +from qemu_test import QemuSystemTest, Asset +from qemu_test import wait_for_console_pattern, exec_command +from qemu_test import skipIfMissingCommands, skipBigDataTest +from qemu_test import exec_command_and_wait_for_pattern + +# Alpine is a light weight distro that supports QEMU. These tests boot +# that on the machine then run a QEMU guest inside it in KVM mode, +# that runs the same Alpine distro image. +# QEMU packages are downloaded and installed on each test. That's not a +# large download, but it may be more polite to create qcow2 image with +# QEMU already installed and use that. +# XXX: The order of these tests seems to matter, see git blame. +@skipIfMissingCommands("xorriso") +@skipBigDataTest() +class HypervisorTest(QemuSystemTest): + + timeout = 1000 + KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 console=hvc0 ' + panic_message = 'Kernel panic - not syncing' + good_message = 'VFS: Cannot open root device' + + ASSET_ISO = Asset( + ('https://dl-cdn.alpinelinux.org/alpine/v3.21/' + 'releases/ppc64le/alpine-standard-3.21.0-ppc64le.iso'), + '7651ab4e3027604535c0b36e86c901b4695bf8fe97b908f5b48590f6baae8f30') + + def extract_from_iso(self, iso, path): + """ + Extracts a file from an iso file into the test workdir + + :param iso: path to the iso file + :param path: path within the iso file of the file to be extracted + :returns: path of the extracted file + """ + filename = self.scratch_file(os.path.basename(path)) + + cmd = "xorriso -osirrox on -indev %s -cpx %s %s" % (iso, path, filename) + subprocess.run(cmd.split(), + stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) + + os.chmod(filename, 0o600) + + return filename + + def setUp(self): + super().setUp() + + self.iso_path = self.ASSET_ISO.fetch() + self.vmlinuz = self.extract_from_iso(self.iso_path, '/boot/vmlinuz-lts') + self.initramfs = self.extract_from_iso(self.iso_path, '/boot/initramfs-lts') + + def do_start_alpine(self): + self.vm.set_console() + kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + self.vm.add_args("-kernel", self.vmlinuz) + self.vm.add_args("-initrd", self.initramfs) + self.vm.add_args("-smp", "4", "-m", "2g") + self.vm.add_args("-drive", f"file={self.iso_path},format=raw,if=none," + "id=drive0,read-only=true") + + self.vm.launch() + ps1='localhost:~#' + wait_for_console_pattern(self, 'localhost login:') + exec_command_and_wait_for_pattern(self, 'root', ps1) + # If the time is wrong, SSL certificates can fail. + exec_command_and_wait_for_pattern(self, 'date -s "' + datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S' + '"'), ps1) + ps1='alpine:~#' + exec_command_and_wait_for_pattern(self, 'setup-alpine -qe', ps1) + exec_command_and_wait_for_pattern(self, 'setup-apkrepos -c1', ps1) + exec_command_and_wait_for_pattern(self, 'apk update', ps1) + # Could upgrade here but it usually should not be necessary + # exec_command_and_wait_for_pattern(self, 'apk upgrade --available', ps1) + + def do_stop_alpine(self): + exec_command(self, 'echo "TEST ME"') + wait_for_console_pattern(self, 'alpine:~#') + exec_command(self, 'poweroff') + wait_for_console_pattern(self, 'reboot: Power down') + self.vm.wait() + + def do_setup_kvm(self): + ps1='alpine:~#' + exec_command_and_wait_for_pattern(self, 'apk add qemu-system-ppc64', ps1) + exec_command_and_wait_for_pattern(self, 'modprobe kvm-hv', ps1) + + # This uses the host's block device as the source file for guest block + # device for install media. This is a bit hacky but allows reuse of the + # iso without having a passthrough filesystem configured. + def do_test_kvm(self, hpt=False): + if hpt: + append = 'disable_radix' + else: + append = '' + exec_command(self, 'qemu-system-ppc64 -nographic -smp 2 -m 1g ' + '-machine pseries,x-vof=on,accel=kvm ' + '-machine cap-cfpc=broken,cap-sbbc=broken,' + 'cap-ibs=broken,cap-ccf-assist=off ' + '-drive file=/dev/nvme0n1,format=raw,readonly=on ' + '-initrd /media/nvme0n1/boot/initramfs-lts ' + '-kernel /media/nvme0n1/boot/vmlinuz-lts ' + '-append \'usbcore.nousb ' + append + '\'') + # Alpine 3.21 kernel seems to crash in XHCI USB driver. + ps1='localhost:~#' + wait_for_console_pattern(self, 'localhost login:') + exec_command_and_wait_for_pattern(self, 'root', ps1) + exec_command(self, 'poweroff') + wait_for_console_pattern(self, 'reboot: Power down') + # Now wait for the host's prompt to come back + wait_for_console_pattern(self, 'alpine:~#') + + def test_hv_pseries(self): + self.require_accelerator("tcg") + self.require_netdev('user') + self.set_machine('pseries') + self.vm.add_args("-accel", "tcg,thread=multi") + self.vm.add_args('-device', 'nvme,serial=1234,drive=drive0') + self.vm.add_args("-machine", "x-vof=on,cap-nested-hv=on") + self.do_start_alpine() + self.do_setup_kvm() + self.do_test_kvm() + self.do_stop_alpine() + + def test_hv_pseries_kvm(self): + self.require_accelerator("kvm") + self.require_netdev('user') + self.set_machine('pseries') + self.vm.add_args("-accel", "kvm") + self.vm.add_args('-device', 'nvme,serial=1234,drive=drive0') + self.vm.add_args("-machine", "x-vof=on,cap-nested-hv=on,cap-ccf-assist=off") + self.do_start_alpine() + self.do_setup_kvm() + self.do_test_kvm() + self.do_stop_alpine() + + def test_hv_powernv(self): + self.require_accelerator("tcg") + self.require_netdev('user') + self.set_machine('powernv') + self.vm.add_args("-accel", "tcg,thread=multi") + self.vm.add_args('-device', 'nvme,bus=pcie.2,addr=0x0,serial=1234,drive=drive0', + '-device', 'e1000e,netdev=net0,mac=C0:FF:EE:00:00:02,bus=pcie.0,addr=0x0', + '-netdev', 'user,id=net0,hostfwd=::20022-:22,hostname=alpine') + self.do_start_alpine() + self.do_setup_kvm() + self.do_test_kvm() + self.do_test_kvm(True) + self.do_stop_alpine() + +if __name__ == '__main__': + QemuSystemTest.main() |