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Add new tests checking the good behavior of the SMMUv3 protecting 2 virtio pci devices (block and net). We check the guest boots and we are able to install a package. Different guest configs are tested: standard, passthrough an strict=0. This is tested with both fedora 31 and 33. The former uses a 5.3 kernel without range invalidation whereas the latter uses a 5.8 kernel that features range invalidation. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Willian Rampazzo <willianr@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Message-Id: <20210706131729.30749-4-eric.auger@redhat.com> [CR: split long lines] [CR: added MAINTAINERS entry] Signed-off-by: Cleber Rosa <crosa@redhat.com>
138 lines
4.4 KiB
Python
138 lines
4.4 KiB
Python
# SMMUv3 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, BUILD_DIR
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@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
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class SMMU(LinuxTest):
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"""
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:avocado: tags=accel:kvm
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:avocado: tags=cpu:host
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:avocado: tags=arch:aarch64
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:avocado: tags=machine:virt
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:avocado: tags=distro:fedora
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:avocado: tags=smmu
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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('-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(SMMU, self).setUp(None, 'virtio-net-pci' + self.IOMMU_ADDON)
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def common_vm_setup(self, custom_kernel=False):
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self.require_accelerator("kvm")
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self.vm.add_args("-accel", "kvm")
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self.vm.add_args("-cpu", "host")
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self.vm.add_args("-machine", "iommu=smmuv3")
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self.vm.add_args("-d", "guest_errors")
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self.vm.add_args('-bios', os.path.join(BUILD_DIR, 'pc-bios',
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'edk2-aarch64-code.fd'))
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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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if custom_kernel is False:
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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('dnf -y install numactl-devel')
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# 5.3 kernel without RIL #
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def test_smmu_noril(self):
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"""
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:avocado: tags=smmu_noril
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:avocado: tags=smmu_noril_tests
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:avocado: tags=distro_version:31
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"""
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self.common_vm_setup()
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self.run_and_check()
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def test_smmu_noril_passthrough(self):
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"""
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:avocado: tags=smmu_noril_passthrough
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:avocado: tags=smmu_noril_tests
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:avocado: tags=distro_version:31
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"""
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self.common_vm_setup(True)
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self.kernel_params = (self.distro.default_kernel_params +
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' iommu.passthrough=on')
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self.run_and_check()
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def test_smmu_noril_nostrict(self):
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"""
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:avocado: tags=smmu_noril_nostrict
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:avocado: tags=smmu_noril_tests
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:avocado: tags=distro_version:31
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"""
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self.common_vm_setup(True)
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self.kernel_params = (self.distro.default_kernel_params +
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' iommu.strict=0')
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self.run_and_check()
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# 5.8 kernel featuring range invalidation
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# >= v5.7 kernel
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def test_smmu_ril(self):
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"""
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:avocado: tags=smmu_ril
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:avocado: tags=smmu_ril_tests
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:avocado: tags=distro_version:33
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"""
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self.common_vm_setup()
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self.run_and_check()
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def test_smmu_ril_passthrough(self):
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"""
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:avocado: tags=smmu_ril_passthrough
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:avocado: tags=smmu_ril_tests
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:avocado: tags=distro_version:33
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"""
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self.common_vm_setup(True)
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self.kernel_params = (self.distro.default_kernel_params +
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' iommu.passthrough=on')
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self.run_and_check()
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def test_smmu_ril_nostrict(self):
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"""
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:avocado: tags=smmu_ril_nostrict
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:avocado: tags=smmu_ril_tests
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:avocado: tags=distro_version:33
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"""
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self.common_vm_setup(True)
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self.kernel_params = (self.distro.default_kernel_params +
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' iommu.strict=0')
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self.run_and_check()
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