165 lines
6.8 KiB
Python
Executable file
165 lines
6.8 KiB
Python
Executable file
#!/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.
|
|
|
|
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
|
|
import os
|
|
import time
|
|
import subprocess
|
|
from datetime import datetime
|
|
|
|
# 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()
|