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-rw-r--r--tests/avocado/intel_iommu.py123
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diff --git a/tests/avocado/intel_iommu.py b/tests/avocado/intel_iommu.py
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--- a/tests/avocado/intel_iommu.py
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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
-
-from avocado import skipUnless
-from avocado_qemu import LinuxTest
-
-@skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable 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
- :avocado: tags=flaky
- """
-
- IOMMU_ADDON = ',iommu_platform=on,disable-modern=off,disable-legacy=on'
- kernel_path = None
- initrd_path = None
- kernel_params = None
-
- def set_up_boot(self):
- path = self.download_boot()
- self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,' +
- '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)
-
- def setUp(self):
- super(IntelIOMMU, self).setUp(None, 'virtio-net-pci' + self.IOMMU_ADDON)
-
- 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')
-
- def common_vm_setup(self, custom_kernel=None):
- self.require_accelerator("kvm")
- self.add_common_args()
- self.vm.add_args("-accel", "kvm")
-
- if custom_kernel is None:
- return
-
- kernel_url = self.distro.pxeboot_url + 'vmlinuz'
- kernel_hash = '5b6f6876e1b5bda314f93893271da0d5777b1f3c'
- initrd_url = self.distro.pxeboot_url + 'initrd.img'
- initrd_hash = 'dd0340a1b39bd28f88532babd4581c67649ec5b1'
- self.kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
- self.initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
-
- 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')
-
- def test_intel_iommu(self):
- """
- :avocado: tags=intel_iommu_intremap
- """
-
- 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')
- self.run_and_check()
-
- def test_intel_iommu_strict(self):
- """
- :avocado: tags=intel_iommu_strict
- """
-
- 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()
-
- def test_intel_iommu_strict_cm(self):
- """
- :avocado: tags=intel_iommu_strict_cm
- """
-
- 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()
-
- def test_intel_iommu_pt(self):
- """
- :avocado: tags=intel_iommu_pt
- """
-
- 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()