cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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smmu.py (4492B)

      1# SMMUv3 Functional tests
      2#
      3# Copyright (c) 2021 Red Hat, Inc.
      4#
      5# Author:
      6#  Eric Auger <eric.auger@redhat.com>
      7#
      8# This work is licensed under the terms of the GNU GPL, version 2 or
      9# later.  See the COPYING file in the top-level directory.
     10import os
     11
     12from avocado import skipIf
     13from avocado_qemu import LinuxTest, BUILD_DIR
     14
     15@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
     16class SMMU(LinuxTest):
     17    """
     18    :avocado: tags=accel:kvm
     19    :avocado: tags=cpu:host
     20    :avocado: tags=arch:aarch64
     21    :avocado: tags=machine:virt
     22    :avocado: tags=distro:fedora
     23    :avocado: tags=smmu
     24    """
     25
     26    IOMMU_ADDON = ',iommu_platform=on,disable-modern=off,disable-legacy=on'
     27    kernel_path = None
     28    initrd_path = None
     29    kernel_params = None
     30
     31    def set_up_boot(self):
     32        path = self.download_boot()
     33        self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,scsi=off,' +
     34                         'drive=drv0,id=virtio-disk0,bootindex=1,'
     35                         'werror=stop,rerror=stop' + self.IOMMU_ADDON)
     36        self.vm.add_args('-drive',
     37                         'file=%s,if=none,cache=writethrough,id=drv0' % path)
     38
     39    def setUp(self):
     40        super(SMMU, self).setUp(None, 'virtio-net-pci' + self.IOMMU_ADDON)
     41
     42    def common_vm_setup(self, custom_kernel=False):
     43        self.require_accelerator("kvm")
     44        self.vm.add_args("-accel", "kvm")
     45        self.vm.add_args("-cpu", "host")
     46        self.vm.add_args("-machine", "iommu=smmuv3")
     47        self.vm.add_args("-d", "guest_errors")
     48        self.vm.add_args('-bios', os.path.join(BUILD_DIR, 'pc-bios',
     49                         'edk2-aarch64-code.fd'))
     50        self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
     51        self.vm.add_args('-object',
     52                         'rng-random,id=rng0,filename=/dev/urandom')
     53
     54        if custom_kernel is False:
     55            return
     56
     57        kernel_url = self.distro.pxeboot_url + 'vmlinuz'
     58        initrd_url = self.distro.pxeboot_url + 'initrd.img'
     59        self.kernel_path = self.fetch_asset(kernel_url)
     60        self.initrd_path = self.fetch_asset(initrd_url)
     61
     62    def run_and_check(self):
     63        if self.kernel_path:
     64            self.vm.add_args('-kernel', self.kernel_path,
     65                             '-append', self.kernel_params,
     66                             '-initrd', self.initrd_path)
     67        self.launch_and_wait()
     68        self.ssh_command('cat /proc/cmdline')
     69        self.ssh_command('dnf -y install numactl-devel')
     70
     71
     72    # 5.3 kernel without RIL #
     73
     74    def test_smmu_noril(self):
     75        """
     76        :avocado: tags=smmu_noril
     77        :avocado: tags=smmu_noril_tests
     78        :avocado: tags=distro_version:31
     79        """
     80        self.common_vm_setup()
     81        self.run_and_check()
     82
     83    def test_smmu_noril_passthrough(self):
     84        """
     85        :avocado: tags=smmu_noril_passthrough
     86        :avocado: tags=smmu_noril_tests
     87        :avocado: tags=distro_version:31
     88        """
     89        self.common_vm_setup(True)
     90        self.kernel_params = (self.distro.default_kernel_params +
     91                              ' iommu.passthrough=on')
     92        self.run_and_check()
     93
     94    def test_smmu_noril_nostrict(self):
     95        """
     96        :avocado: tags=smmu_noril_nostrict
     97        :avocado: tags=smmu_noril_tests
     98        :avocado: tags=distro_version:31
     99        """
    100        self.common_vm_setup(True)
    101        self.kernel_params = (self.distro.default_kernel_params +
    102                              ' iommu.strict=0')
    103        self.run_and_check()
    104
    105    # 5.8 kernel featuring range invalidation
    106    # >= v5.7 kernel
    107
    108    def test_smmu_ril(self):
    109        """
    110        :avocado: tags=smmu_ril
    111        :avocado: tags=smmu_ril_tests
    112        :avocado: tags=distro_version:33
    113        """
    114        self.common_vm_setup()
    115        self.run_and_check()
    116
    117    def test_smmu_ril_passthrough(self):
    118        """
    119        :avocado: tags=smmu_ril_passthrough
    120        :avocado: tags=smmu_ril_tests
    121        :avocado: tags=distro_version:33
    122        """
    123        self.common_vm_setup(True)
    124        self.kernel_params = (self.distro.default_kernel_params +
    125                              ' iommu.passthrough=on')
    126        self.run_and_check()
    127
    128    def test_smmu_ril_nostrict(self):
    129        """
    130        :avocado: tags=smmu_ril_nostrict
    131        :avocado: tags=smmu_ril_tests
    132        :avocado: tags=distro_version:33
    133        """
    134        self.common_vm_setup(True)
    135        self.kernel_params = (self.distro.default_kernel_params +
    136                              ' iommu.strict=0')
    137        self.run_and_check()