tests/avocado/smmu.py

   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.
  10 import os
  11
  12 from avocado import skipIf
  13 from avocado_qemu import LinuxTest, BUILD_DIR
  14
  15 @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
  16 class 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()