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