| #!/usr/bin/env python3 |
| # |
| # SPDX-License-Identifier: GPL-2.0-or-later |
| # |
| # SMMUv3 Functional tests |
| # |
| # Copyright (c) 2021 Red Hat, Inc. |
| # |
| # Author: |
| # Eric Auger <eric.auger@redhat.com> |
| # |
| # This work is licensed under the terms of the GNU GPL, version 2 or |
| # later. See the COPYING file in the top-level directory. |
| |
| import os |
| import time |
| |
| from qemu_test import LinuxKernelTest, Asset, exec_command_and_wait_for_pattern |
| from qemu_test import BUILD_DIR |
| from qemu.utils import kvm_available |
| |
| |
| class SMMU(LinuxKernelTest): |
| |
| default_kernel_params = ('earlyprintk=pl011,0x9000000 no_timer_check ' |
| 'printk.time=1 rd_NO_PLYMOUTH net.ifnames=0 ' |
| 'console=ttyAMA0 rd.rescue') |
| IOMMU_ADDON = ',iommu_platform=on,disable-modern=off,disable-legacy=on' |
| kernel_path = None |
| initrd_path = None |
| kernel_params = None |
| |
| GUEST_PORT = 8080 |
| |
| def set_up_boot(self, path): |
| self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,' + |
| 'drive=drv0,id=virtio-disk0,bootindex=1,' |
| 'werror=stop,rerror=stop' + self.IOMMU_ADDON) |
| self.vm.add_args('-drive', |
| f'file={path},if=none,cache=writethrough,id=drv0,snapshot=on') |
| |
| self.vm.add_args('-netdev', |
| 'user,id=n1,hostfwd=tcp:127.0.0.1:0-:%d' % |
| self.GUEST_PORT) |
| self.vm.add_args('-device', 'virtio-net,netdev=n1' + self.IOMMU_ADDON) |
| |
| def common_vm_setup(self, kernel, initrd, disk): |
| self.require_accelerator("kvm") |
| self.require_netdev('user') |
| self.set_machine("virt") |
| self.vm.add_args('-m', '1G') |
| self.vm.add_args("-accel", "kvm") |
| self.vm.add_args("-cpu", "host") |
| self.vm.add_args("-machine", "iommu=smmuv3") |
| self.vm.add_args("-d", "guest_errors") |
| self.vm.add_args('-bios', os.path.join(BUILD_DIR, 'pc-bios', |
| 'edk2-aarch64-code.fd')) |
| self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0') |
| self.vm.add_args('-object', |
| 'rng-random,id=rng0,filename=/dev/urandom') |
| |
| self.kernel_path = kernel.fetch() |
| self.initrd_path = initrd.fetch() |
| self.set_up_boot(disk.fetch()) |
| |
| def run_and_check(self, filename, hashsum): |
| self.vm.add_args('-initrd', self.initrd_path) |
| self.vm.add_args('-append', self.kernel_params) |
| self.launch_kernel(self.kernel_path, initrd=self.initrd_path, |
| wait_for='attach it to a bug report.') |
| prompt = '# ' |
| # Fedora 33 requires 'return' to be pressed to enter the shell. |
| # There seems to be a small race between detecting the previous ':' |
| # and sending the newline, so we need to add a small delay here. |
| self.wait_for_console_pattern(':') |
| time.sleep(0.2) |
| exec_command_and_wait_for_pattern(self, '\n', prompt) |
| exec_command_and_wait_for_pattern(self, 'cat /proc/cmdline', |
| self.kernel_params) |
| |
| # Checking for SMMU enablement: |
| self.log.info("Checking whether SMMU has been enabled...") |
| exec_command_and_wait_for_pattern(self, 'dmesg | grep smmu', |
| 'arm-smmu-v3') |
| self.wait_for_console_pattern(prompt) |
| exec_command_and_wait_for_pattern(self, |
| 'find /sys/kernel/iommu_groups/ -type l', |
| 'devices/0000:00:') |
| self.wait_for_console_pattern(prompt) |
| |
| # Copy a file (checked later), umount afterwards to drop disk cache: |
| self.log.info("Checking hard disk...") |
| exec_command_and_wait_for_pattern(self, |
| "while ! (dmesg -c | grep vda:) ; do sleep 1 ; done", |
| "vda2") |
| exec_command_and_wait_for_pattern(self, 'mount /dev/vda2 /sysroot', |
| 'mounted filesystem') |
| exec_command_and_wait_for_pattern(self, 'cp /bin/vi /sysroot/root/vi', |
| prompt) |
| exec_command_and_wait_for_pattern(self, 'umount /sysroot', prompt) |
| # Switch from initrd to the cloud image filesystem: |
| exec_command_and_wait_for_pattern(self, 'mount /dev/vda2 /sysroot', |
| prompt) |
| exec_command_and_wait_for_pattern(self, |
| ('for d in dev proc sys run ; do ' |
| 'mount -o bind /$d /sysroot/$d ; done'), prompt) |
| exec_command_and_wait_for_pattern(self, 'chroot /sysroot', prompt) |
| # Check files on the hard disk: |
| exec_command_and_wait_for_pattern(self, |
| ('if diff -q /root/vi /usr/bin/vi ; then echo "file" "ok" ; ' |
| 'else echo "files differ"; fi'), 'file ok') |
| self.wait_for_console_pattern(prompt) |
| exec_command_and_wait_for_pattern(self, f'sha256sum {filename}', |
| hashsum) |
| |
| # Check virtio-net via HTTP: |
| exec_command_and_wait_for_pattern(self, 'dhclient eth0', prompt) |
| self.check_http_download(filename, hashsum, self.GUEST_PORT) |
| |
| |
| # 5.3 kernel without RIL # |
| |
| ASSET_KERNEL_F31 = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/' |
| 'releases/31/Server/aarch64/os/images/pxeboot/vmlinuz'), |
| '3ae07fcafbfc8e4abeb693035a74fe10698faae15e9ccd48882a9167800c1527') |
| |
| ASSET_INITRD_F31 = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/' |
| 'releases/31/Server/aarch64/os/images/pxeboot/initrd.img'), |
| '9f3146b28bc531c689f3c5f114cb74e4bd7bd548e0ba19fa77921d8bd256755a') |
| |
| ASSET_DISK_F31 = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/releases' |
| '/31/Cloud/aarch64/images/Fedora-Cloud-Base-31-1.9.aarch64.qcow2'), |
| '1e18d9c0cf734940c4b5d5ec592facaed2af0ad0329383d5639c997fdf16fe49') |
| |
| F31_FILENAME = '/boot/initramfs-5.3.7-301.fc31.aarch64.img' |
| F31_HSUM = '1a4beec6607d94df73d9dd1b4985c9c23dd0fdcf4e6ca1351d477f190df7bef9' |
| |
| def test_smmu_noril(self): |
| self.common_vm_setup(self.ASSET_KERNEL_F31, self.ASSET_INITRD_F31, |
| self.ASSET_DISK_F31) |
| self.kernel_params = self.default_kernel_params |
| self.run_and_check(self.F31_FILENAME, self.F31_HSUM) |
| |
| def test_smmu_noril_passthrough(self): |
| self.common_vm_setup(self.ASSET_KERNEL_F31, self.ASSET_INITRD_F31, |
| self.ASSET_DISK_F31) |
| self.kernel_params = (self.default_kernel_params + |
| ' iommu.passthrough=on') |
| self.run_and_check(self.F31_FILENAME, self.F31_HSUM) |
| |
| def test_smmu_noril_nostrict(self): |
| self.common_vm_setup(self.ASSET_KERNEL_F31, self.ASSET_INITRD_F31, |
| self.ASSET_DISK_F31) |
| self.kernel_params = (self.default_kernel_params + |
| ' iommu.strict=0') |
| self.run_and_check(self.F31_FILENAME, self.F31_HSUM) |
| |
| |
| # 5.8 kernel featuring range invalidation |
| # >= v5.7 kernel |
| |
| ASSET_KERNEL_F33 = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/' |
| 'releases/33/Server/aarch64/os/images/pxeboot/vmlinuz'), |
| 'd8b1e6f7241f339d8e7609c456cf0461ffa4583ed07e0b55c7d1d8a0c154aa89') |
| |
| ASSET_INITRD_F33 = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/' |
| 'releases/33/Server/aarch64/os/images/pxeboot/initrd.img'), |
| '92513f55295c2c16a777f7b6c35ccd70a438e9e1e40b6ba39e0e60900615b3df') |
| |
| ASSET_DISK_F33 = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/releases' |
| '/33/Cloud/aarch64/images/Fedora-Cloud-Base-33-1.2.aarch64.qcow2'), |
| 'e7f75cdfd523fe5ac2ca9eeece68edc1a81f386a17f969c1d1c7c87031008a6b') |
| |
| F33_FILENAME = '/boot/initramfs-5.8.15-301.fc33.aarch64.img' |
| F33_HSUM = '079cfad0caa82e84c8ca1fb0897a4999dd769f262216099f518619e807a550d9' |
| |
| def test_smmu_ril(self): |
| self.common_vm_setup(self.ASSET_KERNEL_F33, self.ASSET_INITRD_F33, |
| self.ASSET_DISK_F33) |
| self.kernel_params = self.default_kernel_params |
| self.run_and_check(self.F33_FILENAME, self.F33_HSUM) |
| |
| def test_smmu_ril_passthrough(self): |
| self.common_vm_setup(self.ASSET_KERNEL_F33, self.ASSET_INITRD_F33, |
| self.ASSET_DISK_F33) |
| self.kernel_params = (self.default_kernel_params + |
| ' iommu.passthrough=on') |
| self.run_and_check(self.F33_FILENAME, self.F33_HSUM) |
| |
| def test_smmu_ril_nostrict(self): |
| self.common_vm_setup(self.ASSET_KERNEL_F33, self.ASSET_INITRD_F33, |
| self.ASSET_DISK_F33) |
| self.kernel_params = (self.default_kernel_params + |
| ' iommu.strict=0') |
| self.run_and_check(self.F33_FILENAME, self.F33_HSUM) |
| |
| |
| if __name__ == '__main__': |
| LinuxKernelTest.main() |
