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Add Intel IOMMU functional tests based on fedora 31. Different configs are checked: - strict - caching mode, strict - passthrough. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Willian Rampazzo <willianr@redhat.com> Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Acked-by: Peter Xu <peterx@redhat.com> Message-Id: <20210706131729.30749-5-eric.auger@redhat.com> [CR: split long lines] Signed-off-by: Cleber Rosa <crosa@redhat.com>
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# INTEL_IOMMU Functional tests | ||
# | ||
# Copyright (c) 2021 Red Hat, Inc. | ||
# | ||
# Author: | ||
# Eric Auger <eric.auger@redhat.com> | ||
# | ||
# 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 | ||
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from avocado import skipIf | ||
from avocado_qemu import LinuxTest | ||
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@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab') | ||
class IntelIOMMU(LinuxTest): | ||
""" | ||
:avocado: tags=arch:x86_64 | ||
:avocado: tags=distro:fedora | ||
:avocado: tags=distro_version:31 | ||
:avocado: tags=machine:q35 | ||
:avocado: tags=accel:kvm | ||
:avocado: tags=intel_iommu | ||
""" | ||
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IOMMU_ADDON = ',iommu_platform=on,disable-modern=off,disable-legacy=on' | ||
kernel_path = None | ||
initrd_path = None | ||
kernel_params = None | ||
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def set_up_boot(self): | ||
path = self.download_boot() | ||
self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,scsi=off,' + | ||
'drive=drv0,id=virtio-disk0,bootindex=1,' | ||
'werror=stop,rerror=stop' + self.IOMMU_ADDON) | ||
self.vm.add_args('-device', 'virtio-gpu-pci' + self.IOMMU_ADDON) | ||
self.vm.add_args('-drive', | ||
'file=%s,if=none,cache=writethrough,id=drv0' % path) | ||
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def setUp(self): | ||
super(IntelIOMMU, self).setUp(None, 'virtio-net-pci' + self.IOMMU_ADDON) | ||
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def add_common_args(self): | ||
self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0') | ||
self.vm.add_args('-object', | ||
'rng-random,id=rng0,filename=/dev/urandom') | ||
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def common_vm_setup(self, custom_kernel=None): | ||
self.require_accelerator("kvm") | ||
self.add_common_args() | ||
self.vm.add_args("-accel", "kvm") | ||
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if custom_kernel is None: | ||
return | ||
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kernel_url = self.distro.pxeboot_url + 'vmlinuz' | ||
initrd_url = self.distro.pxeboot_url + 'initrd.img' | ||
self.kernel_path = self.fetch_asset(kernel_url) | ||
self.initrd_path = self.fetch_asset(initrd_url) | ||
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def run_and_check(self): | ||
if self.kernel_path: | ||
self.vm.add_args('-kernel', self.kernel_path, | ||
'-append', self.kernel_params, | ||
'-initrd', self.initrd_path) | ||
self.launch_and_wait() | ||
self.ssh_command('cat /proc/cmdline') | ||
self.ssh_command('dmesg | grep -e DMAR -e IOMMU') | ||
self.ssh_command('find /sys/kernel/iommu_groups/ -type l') | ||
self.ssh_command('dnf -y install numactl-devel') | ||
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def test_intel_iommu(self): | ||
""" | ||
:avocado: tags=intel_iommu_intremap | ||
""" | ||
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self.common_vm_setup(True) | ||
self.vm.add_args('-device', 'intel-iommu,intremap=on') | ||
self.vm.add_args('-machine', 'kernel_irqchip=split') | ||
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self.kernel_params = (self.distro.default_kernel_params + | ||
' quiet intel_iommu=on') | ||
self.run_and_check() | ||
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def test_intel_iommu_strict(self): | ||
""" | ||
:avocado: tags=intel_iommu_strict | ||
""" | ||
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self.common_vm_setup(True) | ||
self.vm.add_args('-device', 'intel-iommu,intremap=on') | ||
self.vm.add_args('-machine', 'kernel_irqchip=split') | ||
self.kernel_params = (self.distro.default_kernel_params + | ||
' quiet intel_iommu=on,strict') | ||
self.run_and_check() | ||
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def test_intel_iommu_strict_cm(self): | ||
""" | ||
:avocado: tags=intel_iommu_strict_cm | ||
""" | ||
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self.common_vm_setup(True) | ||
self.vm.add_args('-device', 'intel-iommu,intremap=on,caching-mode=on') | ||
self.vm.add_args('-machine', 'kernel_irqchip=split') | ||
self.kernel_params = (self.distro.default_kernel_params + | ||
' quiet intel_iommu=on,strict') | ||
self.run_and_check() | ||
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def test_intel_iommu_pt(self): | ||
""" | ||
:avocado: tags=intel_iommu_pt | ||
""" | ||
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self.common_vm_setup(True) | ||
self.vm.add_args('-device', 'intel-iommu,intremap=on') | ||
self.vm.add_args('-machine', 'kernel_irqchip=split') | ||
self.kernel_params = (self.distro.default_kernel_params + | ||
' quiet intel_iommu=on iommu=pt') | ||
self.run_and_check() |