120 lines
4.1 KiB
Python
120 lines
4.1 KiB
Python
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# INTEL_IOMMU Functional tests
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#
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# Copyright (c) 2021 Red Hat, Inc.
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#
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# Author:
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# Eric Auger <eric.auger@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import os
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from avocado import skipIf
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from avocado_qemu import LinuxTest
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@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
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class IntelIOMMU(LinuxTest):
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"""
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:avocado: tags=arch:x86_64
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:avocado: tags=distro:fedora
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:avocado: tags=distro_version:31
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:avocado: tags=machine:q35
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:avocado: tags=accel:kvm
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:avocado: tags=intel_iommu
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"""
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IOMMU_ADDON = ',iommu_platform=on,disable-modern=off,disable-legacy=on'
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kernel_path = None
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initrd_path = None
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kernel_params = None
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def set_up_boot(self):
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path = self.download_boot()
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self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,scsi=off,' +
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'drive=drv0,id=virtio-disk0,bootindex=1,'
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'werror=stop,rerror=stop' + self.IOMMU_ADDON)
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self.vm.add_args('-device', 'virtio-gpu-pci' + self.IOMMU_ADDON)
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self.vm.add_args('-drive',
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'file=%s,if=none,cache=writethrough,id=drv0' % path)
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def setUp(self):
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super(IntelIOMMU, self).setUp(None, 'virtio-net-pci' + self.IOMMU_ADDON)
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def add_common_args(self):
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self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
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self.vm.add_args('-object',
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'rng-random,id=rng0,filename=/dev/urandom')
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def common_vm_setup(self, custom_kernel=None):
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self.require_accelerator("kvm")
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self.add_common_args()
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self.vm.add_args("-accel", "kvm")
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if custom_kernel is None:
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return
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kernel_url = self.distro.pxeboot_url + 'vmlinuz'
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initrd_url = self.distro.pxeboot_url + 'initrd.img'
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self.kernel_path = self.fetch_asset(kernel_url)
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self.initrd_path = self.fetch_asset(initrd_url)
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def run_and_check(self):
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if self.kernel_path:
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self.vm.add_args('-kernel', self.kernel_path,
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'-append', self.kernel_params,
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'-initrd', self.initrd_path)
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self.launch_and_wait()
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self.ssh_command('cat /proc/cmdline')
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self.ssh_command('dmesg | grep -e DMAR -e IOMMU')
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self.ssh_command('find /sys/kernel/iommu_groups/ -type l')
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self.ssh_command('dnf -y install numactl-devel')
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def test_intel_iommu(self):
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"""
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:avocado: tags=intel_iommu_intremap
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"""
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self.common_vm_setup(True)
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self.vm.add_args('-device', 'intel-iommu,intremap=on')
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self.vm.add_args('-machine', 'kernel_irqchip=split')
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self.kernel_params = (self.distro.default_kernel_params +
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' quiet intel_iommu=on')
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self.run_and_check()
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def test_intel_iommu_strict(self):
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"""
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:avocado: tags=intel_iommu_strict
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"""
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self.common_vm_setup(True)
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self.vm.add_args('-device', 'intel-iommu,intremap=on')
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self.vm.add_args('-machine', 'kernel_irqchip=split')
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self.kernel_params = (self.distro.default_kernel_params +
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' quiet intel_iommu=on,strict')
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self.run_and_check()
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def test_intel_iommu_strict_cm(self):
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"""
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:avocado: tags=intel_iommu_strict_cm
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"""
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self.common_vm_setup(True)
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self.vm.add_args('-device', 'intel-iommu,intremap=on,caching-mode=on')
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self.vm.add_args('-machine', 'kernel_irqchip=split')
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self.kernel_params = (self.distro.default_kernel_params +
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' quiet intel_iommu=on,strict')
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self.run_and_check()
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def test_intel_iommu_pt(self):
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"""
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:avocado: tags=intel_iommu_pt
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"""
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self.common_vm_setup(True)
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self.vm.add_args('-device', 'intel-iommu,intremap=on')
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self.vm.add_args('-machine', 'kernel_irqchip=split')
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self.kernel_params = (self.distro.default_kernel_params +
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' quiet intel_iommu=on iommu=pt')
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self.run_and_check()
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