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() 138