# Functional test that boots known good tuxboot images the same way # that tuxrun (www.tuxrun.org) does. This tool is used by things like # the LKFT project to run regression tests on kernels. # # Copyright (c) 2023 Linaro Ltd. # # Author: # Alex Bennée # # SPDX-License-Identifier: GPL-2.0-or-later import os import time import tempfile from avocado import skip, skipUnless from avocado_qemu import QemuSystemTest from avocado_qemu import exec_command, exec_command_and_wait_for_pattern from avocado_qemu import wait_for_console_pattern from avocado.utils import process from avocado.utils.path import find_command class TuxRunBaselineTest(QemuSystemTest): """ :avocado: tags=accel:tcg """ KERNEL_COMMON_COMMAND_LINE = 'printk.time=0' # Tests are ~10-40s, allow for --debug/--enable-gcov overhead timeout = 100 def get_tag(self, tagname, default=None): """ Get the metadata tag or return the default. """ utag = self._get_unique_tag_val(tagname) print(f"{tagname}/{default} -> {utag}") if utag: return utag return default def setUp(self): super().setUp() # We need zstd for all the tuxrun tests # See https://github.com/avocado-framework/avocado/issues/5609 zstd = find_command('zstd', False) if zstd is False: self.cancel('Could not find "zstd", which is required to ' 'decompress rootfs') self.zstd = zstd # Process the TuxRun specific tags, most machines work with # reasonable defaults but we sometimes need to tweak the # config. To avoid open coding everything we store all these # details in the metadata for each test. # The tuxboot tag matches the root directory self.tuxboot = self.get_tag('tuxboot') # Most Linux's use ttyS0 for their serial port self.console = self.get_tag('console', "ttyS0") # Does the machine shutdown QEMU nicely on "halt" self.shutdown = self.get_tag('shutdown') # The name of the kernel Image file self.image = self.get_tag('image', "Image") self.root = self.get_tag('root', "vda") # Occasionally we need extra devices to hook things up self.extradev = self.get_tag('extradev') self.qemu_img = super().get_qemu_img() def wait_for_console_pattern(self, success_message, vm=None): wait_for_console_pattern(self, success_message, failure_message='Kernel panic - not syncing', vm=vm) def fetch_tuxrun_assets(self, csums=None, dt=None): """ Fetch the TuxBoot assets. They are stored in a standard way so we use the per-test tags to fetch details. """ base_url = f"https://storage.tuxboot.com/20230331/{self.tuxboot}/" # empty hash if we weren't passed one csums = {} if csums is None else csums ksum = csums.get(self.image, None) isum = csums.get("rootfs.ext4.zst", None) kernel_image = self.fetch_asset(base_url + self.image, asset_hash = ksum, algorithm = "sha256") disk_image_zst = self.fetch_asset(base_url + "rootfs.ext4.zst", asset_hash = isum, algorithm = "sha256") cmd = f"{self.zstd} -d {disk_image_zst} -o {self.workdir}/rootfs.ext4" process.run(cmd) if dt: dsum = csums.get(dt, None) dtb = self.fetch_asset(base_url + dt, asset_hash = dsum, algorithm = "sha256") else: dtb = None return (kernel_image, self.workdir + "/rootfs.ext4", dtb) def prepare_run(self, kernel, disk, drive, dtb=None, console_index=0): """ Setup to run and add the common parameters to the system """ self.vm.set_console(console_index=console_index) # all block devices are raw ext4's blockdev = "driver=raw,file.driver=file," \ + f"file.filename={disk},node-name=hd0" kcmd_line = self.KERNEL_COMMON_COMMAND_LINE kcmd_line += f" root=/dev/{self.root}" kcmd_line += f" console={self.console}" self.vm.add_args('-kernel', kernel, '-append', kcmd_line, '-blockdev', blockdev) # Sometimes we need extra devices attached if self.extradev: self.vm.add_args('-device', self.extradev) self.vm.add_args('-device', f"{drive},drive=hd0") # Some machines need an explicit DTB if dtb: self.vm.add_args('-dtb', dtb) def run_tuxtest_tests(self, haltmsg): """ Wait for the system to boot up, wait for the login prompt and then do a few things on the console. Trigger a shutdown and wait to exit cleanly. """ self.wait_for_console_pattern("Welcome to TuxTest") time.sleep(0.2) exec_command(self, 'root') time.sleep(0.2) exec_command(self, 'cat /proc/interrupts') time.sleep(0.1) exec_command(self, 'cat /proc/self/maps') time.sleep(0.1) exec_command(self, 'uname -a') time.sleep(0.1) exec_command_and_wait_for_pattern(self, 'halt', haltmsg) # Wait for VM to shut down gracefully if it can if self.shutdown == "nowait": self.vm.shutdown() else: self.vm.wait() def common_tuxrun(self, csums=None, dt=None, drive="virtio-blk-device", haltmsg="reboot: System halted", console_index=0): """ Common path for LKFT tests. Unless we need to do something special with the command line we can process most things using the tag metadata. """ (kernel, disk, dtb) = self.fetch_tuxrun_assets(csums, dt) self.prepare_run(kernel, disk, drive, dtb, console_index) self.vm.launch() self.run_tuxtest_tests(haltmsg) def ppc64_common_tuxrun(self, sums, prefix): # add device args to command line. self.require_netdev('user') self.vm.add_args('-netdev', 'user,id=vnet,hostfwd=:127.0.0.1:0-:22', '-device', 'virtio-net,netdev=vnet') self.vm.add_args('-netdev', '{"type":"user","id":"hostnet0"}', '-device', '{"driver":"virtio-net-pci","netdev":' '"hostnet0","id":"net0","mac":"52:54:00:4c:e3:86",' '"bus":"pci.0","addr":"0x9"}') self.vm.add_args('-device', '{"driver":"qemu-xhci","p2":15,"p3":15,' '"id":"usb","bus":"pci.0","addr":"0x2"}') self.vm.add_args('-device', '{"driver":"virtio-scsi-pci","id":"scsi0"' ',"bus":"pci.0","addr":"0x3"}') self.vm.add_args('-device', '{"driver":"virtio-serial-pci","id":' '"virtio-serial0","bus":"pci.0","addr":"0x4"}') self.vm.add_args('-device', '{"driver":"scsi-cd","bus":"scsi0.0"' ',"channel":0,"scsi-id":0,"lun":0,"device_id":' '"drive-scsi0-0-0-0","id":"scsi0-0-0-0"}') self.vm.add_args('-device', '{"driver":"virtio-balloon-pci",' '"id":"balloon0","bus":"pci.0","addr":"0x6"}') self.vm.add_args('-audiodev', '{"id":"audio1","driver":"none"}') self.vm.add_args('-device', '{"driver":"usb-tablet","id":"input0"' ',"bus":"usb.0","port":"1"}') self.vm.add_args('-device', '{"driver":"usb-kbd","id":"input1"' ',"bus":"usb.0","port":"2"}') self.vm.add_args('-device', '{"driver":"VGA","id":"video0",' '"vgamem_mb":16,"bus":"pci.0","addr":"0x7"}') self.vm.add_args('-object', '{"qom-type":"rng-random","id":"objrng0"' ',"filename":"/dev/urandom"}', '-device', '{"driver":"virtio-rng-pci","rng":"objrng0"' ',"id":"rng0","bus":"pci.0","addr":"0x8"}') self.vm.add_args('-object', '{"qom-type":"cryptodev-backend-builtin",' '"id":"objcrypto0","queues":1}', '-device', '{"driver":"virtio-crypto-pci",' '"cryptodev":"objcrypto0","id":"crypto0","bus"' ':"pci.0","addr":"0xa"}') self.vm.add_args('-device', '{"driver":"spapr-pci-host-bridge"' ',"index":1,"id":"pci.1"}') self.vm.add_args('-device', '{"driver":"spapr-vscsi","id":"scsi1"' ',"reg":12288}') self.vm.add_args('-m', '2G,slots=32,maxmem=4G', '-object', 'memory-backend-ram,id=ram1,size=1G', '-device', 'pc-dimm,id=dimm1,memdev=ram1') # Create a temporary qcow2 and launch the test-case with tempfile.NamedTemporaryFile(prefix=prefix, suffix='.qcow2') as qcow2: process.run(self.qemu_img + ' create -f qcow2 ' + qcow2.name + ' 1G') self.vm.add_args('-drive', 'file=' + qcow2.name + ',format=qcow2,if=none,id=' 'drive-virtio-disk1', '-device', 'virtio-blk-pci,bus=pci.0,' 'addr=0xb,drive=drive-virtio-disk1,id=virtio-disk1' ',bootindex=2') self.common_tuxrun(csums=sums, drive="scsi-hd") # # The tests themselves. The configuration is derived from how # tuxrun invokes qemu (with minor tweaks like using -blockdev # consistently). The tuxrun equivalent is something like: # # tuxrun --device qemu-{ARCH} \ # --kernel https://storage.tuxboot.com/{TUXBOOT}/{IMAGE} # def test_arm64(self): """ :avocado: tags=arch:aarch64 :avocado: tags=cpu:cortex-a57 :avocado: tags=machine:virt :avocado: tags=tuxboot:arm64 :avocado: tags=console:ttyAMA0 :avocado: tags=shutdown:nowait """ sums = {"Image" : "ce95a7101a5fecebe0fe630deee6bd97b32ba41bc8754090e9ad8961ea8674c7", "rootfs.ext4.zst" : "bbd5ed4b9c7d3f4ca19ba71a323a843c6b585e880115df3b7765769dbd9dd061"} self.common_tuxrun(csums=sums) def test_arm64be(self): """ :avocado: tags=arch:aarch64 :avocado: tags=cpu:cortex-a57 :avocado: tags=endian:big :avocado: tags=machine:virt :avocado: tags=tuxboot:arm64be :avocado: tags=console:ttyAMA0 :avocado: tags=shutdown:nowait """ sums = { "Image" : "e0df4425eb2cd9ea9a283e808037f805641c65d8fcecc8f6407d8f4f339561b4", "rootfs.ext4.zst" : "e6ffd8813c8a335bc15728f2835f90539c84be7f8f5f691a8b01451b47fb4bd7"} self.common_tuxrun(csums=sums) def test_armv5(self): """ :avocado: tags=arch:arm :avocado: tags=cpu:arm926 :avocado: tags=machine:versatilepb :avocado: tags=tuxboot:armv5 :avocado: tags=image:zImage :avocado: tags=console:ttyAMA0 :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "17177afa74e7294da0642861f08c88ca3c836764299a54bf6d1ce276cb9712a5", "versatile-pb.dtb" : "0bc0c0b0858cefd3c32b385c0d66d97142ded29472a496f4f490e42fc7615b25", "zImage" : "c95af2f27647c12265d75e9df44c22ff5228c59855f54aaa70f41ec2842e3a4d" } self.common_tuxrun(csums=sums, drive="virtio-blk-pci", dt="versatile-pb.dtb") def test_armv7(self): """ :avocado: tags=arch:arm :avocado: tags=cpu:cortex-a15 :avocado: tags=machine:virt :avocado: tags=tuxboot:armv7 :avocado: tags=image:zImage :avocado: tags=console:ttyAMA0 :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "ab1fbbeaddda1ffdd45c9405a28cd5370c20f23a7cbc809cc90dc9f243a8eb5a", "zImage" : "4c7a22e9f15875bec06bd2a29d822496571eb297d4f22694099ffcdb19077572" } self.common_tuxrun(csums=sums) def test_armv7be(self): """ :avocado: tags=arch:arm :avocado: tags=cpu:cortex-a15 :avocado: tags=endian:big :avocado: tags=machine:virt :avocado: tags=tuxboot:armv7be :avocado: tags=image:zImage :avocado: tags=console:ttyAMA0 :avocado: tags=shutdown:nowait """ sums = {"rootfs.ext4.zst" : "42ed46dd2d59986206c5b1f6cf35eab58fe3fd20c96b41aaa16b32f3f90a9835", "zImage" : "7facc62082b57af12015b08f7fdbaf2f123ba07a478367853ae12b219afc9f2f" } self.common_tuxrun(csums=sums) def test_i386(self): """ :avocado: tags=arch:i386 :avocado: tags=cpu:coreduo :avocado: tags=machine:q35 :avocado: tags=tuxboot:i386 :avocado: tags=image:bzImage :avocado: tags=shutdown:nowait """ sums = {"bzImage" : "a3e5b32a354729e65910f5a1ffcda7c14a6c12a55e8213fb86e277f1b76ed956", "rootfs.ext4.zst" : "f15e66b2bf673a210ec2a4b2e744a80530b36289e04f5388aab812b97f69754a" } self.common_tuxrun(csums=sums, drive="virtio-blk-pci") def test_mips32(self): """ :avocado: tags=arch:mips :avocado: tags=machine:malta :avocado: tags=cpu:mips32r6-generic :avocado: tags=endian:big :avocado: tags=tuxboot:mips32 :avocado: tags=image:vmlinux :avocado: tags=root:sda :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "fc3da0b4c2f38d74c6d705123bb0f633c76ed953128f9d0859378c328a6d11a0", "vmlinux" : "bfd2172f8b17fb32970ca0c8c58f59c5a4ca38aa5855d920be3a69b5d16e52f0" } self.common_tuxrun(csums=sums, drive="driver=ide-hd,bus=ide.0,unit=0") def test_mips32el(self): """ :avocado: tags=arch:mipsel :avocado: tags=machine:malta :avocado: tags=cpu:mips32r6-generic :avocado: tags=tuxboot:mips32el :avocado: tags=image:vmlinux :avocado: tags=root:sda :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "e799768e289fd69209c21f4dacffa11baea7543d5db101e8ce27e3bc2c41d90e", "vmlinux" : "8573867c68a8443db8de6d08bb33fb291c189ca2ca671471d3973a3e712096a3" } self.common_tuxrun(csums=sums, drive="driver=ide-hd,bus=ide.0,unit=0") def test_mips64(self): """ :avocado: tags=arch:mips64 :avocado: tags=machine:malta :avocado: tags=tuxboot:mips64 :avocado: tags=endian:big :avocado: tags=image:vmlinux :avocado: tags=root:sda :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "69d91eeb04df3d8d172922c6993bb37d4deeb6496def75d8580f6f9de3e431da", "vmlinux" : "09010e51e4b8bcbbd2494786ffb48eca78f228e96e5c5438344b0eac4029dc61" } self.common_tuxrun(csums=sums, drive="driver=ide-hd,bus=ide.0,unit=0") def test_mips64el(self): """ :avocado: tags=arch:mips64el :avocado: tags=machine:malta :avocado: tags=tuxboot:mips64el :avocado: tags=image:vmlinux :avocado: tags=root:sda :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "fba585368f5915b1498ed081863474b2d7ec4e97cdd46d21bdcb2f9698f83de4", "vmlinux" : "d4e08965e2155c4cccce7c5f34d18fe34c636cda2f2c9844387d614950155266" } self.common_tuxrun(csums=sums, drive="driver=ide-hd,bus=ide.0,unit=0") def test_ppc32(self): """ :avocado: tags=arch:ppc :avocado: tags=machine:ppce500 :avocado: tags=cpu:e500mc :avocado: tags=tuxboot:ppc32 :avocado: tags=image:uImage :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "8885b9d999cc24d679542a02e9b6aaf48f718f2050ece6b8347074b6ee41dd09", "uImage" : "1a68f74b860fda022fb12e03c5efece8c2b8b590d96cca37a8481a3ae0b3f81f" } self.common_tuxrun(csums=sums, drive="virtio-blk-pci") def test_ppc64(self): """ :avocado: tags=arch:ppc64 :avocado: tags=machine:pseries :avocado: tags=cpu:POWER10 :avocado: tags=endian:big :avocado: tags=console:hvc0 :avocado: tags=tuxboot:ppc64 :avocado: tags=image:vmlinux :avocado: tags=extradev:driver=spapr-vscsi :avocado: tags=root:sda """ sums = { "rootfs.ext4.zst" : "1d953e81a4379e537fc8e41e05a0a59d9b453eef97aa03d47866c6c45b00bdff", "vmlinux" : "f22a9b9e924174a4c199f4c7e5d91a2339fcfe51c6eafd0907dc3e09b64ab728" } self.ppc64_common_tuxrun(sums, prefix='tuxrun_ppc64_') def test_ppc64le(self): """ :avocado: tags=arch:ppc64 :avocado: tags=machine:pseries :avocado: tags=cpu:POWER10 :avocado: tags=console:hvc0 :avocado: tags=tuxboot:ppc64le :avocado: tags=image:vmlinux :avocado: tags=extradev:driver=spapr-vscsi :avocado: tags=root:sda """ sums = { "rootfs.ext4.zst" : "b442678c93fb8abe1f7d3bfa20556488de6b475c22c8fed363f42cf81a0a3906", "vmlinux" : "979eb61b445a010fb13e2b927126991f8ceef9c590fa2be0996c00e293e80cf2" } self.ppc64_common_tuxrun(sums, prefix='tuxrun_ppc64le_') def test_riscv32(self): """ :avocado: tags=arch:riscv32 :avocado: tags=machine:virt :avocado: tags=tuxboot:riscv32 """ sums = { "Image" : "89599407d7334de629a40e7ad6503c73670359eb5f5ae9d686353a3d6deccbd5", "fw_jump.elf" : "f2ef28a0b77826f79d085d3e4aa686f1159b315eff9099a37046b18936676985", "rootfs.ext4.zst" : "7168d296d0283238ea73cd5a775b3dd608e55e04c7b92b76ecce31bb13108cba" } self.common_tuxrun(csums=sums) def test_riscv64(self): """ :avocado: tags=arch:riscv64 :avocado: tags=machine:virt :avocado: tags=tuxboot:riscv64 """ sums = { "Image" : "cd634badc65e52fb63465ec99e309c0de0369f0841b7d9486f9729e119bac25e", "fw_jump.elf" : "6e3373abcab4305fe151b564a4c71110d833c21f2c0a1753b7935459e36aedcf", "rootfs.ext4.zst" : "b18e3a3bdf27be03da0b285e84cb71bf09eca071c3a087b42884b6982ed679eb" } self.common_tuxrun(csums=sums) def test_riscv32_maxcpu(self): """ :avocado: tags=arch:riscv32 :avocado: tags=machine:virt :avocado: tags=cpu:max :avocado: tags=tuxboot:riscv32 """ sums = { "Image" : "89599407d7334de629a40e7ad6503c73670359eb5f5ae9d686353a3d6deccbd5", "fw_jump.elf" : "f2ef28a0b77826f79d085d3e4aa686f1159b315eff9099a37046b18936676985", "rootfs.ext4.zst" : "7168d296d0283238ea73cd5a775b3dd608e55e04c7b92b76ecce31bb13108cba" } self.common_tuxrun(csums=sums) def test_riscv64_maxcpu(self): """ :avocado: tags=arch:riscv64 :avocado: tags=machine:virt :avocado: tags=cpu:max :avocado: tags=tuxboot:riscv64 """ sums = { "Image" : "cd634badc65e52fb63465ec99e309c0de0369f0841b7d9486f9729e119bac25e", "fw_jump.elf" : "6e3373abcab4305fe151b564a4c71110d833c21f2c0a1753b7935459e36aedcf", "rootfs.ext4.zst" : "b18e3a3bdf27be03da0b285e84cb71bf09eca071c3a087b42884b6982ed679eb" } self.common_tuxrun(csums=sums) def test_s390(self): """ :avocado: tags=arch:s390x :avocado: tags=endian:big :avocado: tags=tuxboot:s390 :avocado: tags=image:bzImage :avocado: tags=shutdown:nowait """ sums = { "bzImage" : "0414e98dd1c3dafff8496c9cd9c28a5f8d04553bb5ba37e906a812b48d442ef0", "rootfs.ext4.zst" : "88c37c32276677f873a25ab9ec6247895b8e3e6f8259134de2a616080b8ab3fc" } self.common_tuxrun(csums=sums, drive="virtio-blk-ccw", haltmsg="Requesting system halt") # Note: some segfaults caused by unaligned userspace access @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on GitLab') def test_sh4(self): """ :avocado: tags=arch:sh4 :avocado: tags=machine:r2d :avocado: tags=cpu:sh7785 :avocado: tags=tuxboot:sh4 :avocado: tags=image:zImage :avocado: tags=root:sda :avocado: tags=console:ttySC1 :avocado: tags=flaky """ sums = { "rootfs.ext4.zst" : "3592a7a3d5a641e8b9821449e77bc43c9904a56c30d45da0694349cfd86743fd", "zImage" : "29d9b2aba604a0f53a5dc3b5d0f2b8e35d497de1129f8ee5139eb6fdf0db692f" } # The test is currently too unstable to do much in userspace # so we skip common_tuxrun and do a minimal boot and shutdown. (kernel, disk, dtb) = self.fetch_tuxrun_assets(csums=sums) # the console comes on the second serial port self.prepare_run(kernel, disk, "driver=ide-hd,bus=ide.0,unit=0", console_index=1) self.vm.launch() self.wait_for_console_pattern("Welcome to TuxTest") time.sleep(0.1) exec_command(self, 'root') time.sleep(0.1) exec_command_and_wait_for_pattern(self, 'halt', "reboot: System halted") def test_sparc64(self): """ :avocado: tags=arch:sparc64 :avocado: tags=tuxboot:sparc64 :avocado: tags=image:vmlinux :avocado: tags=root:sda :avocado: tags=shutdown:nowait """ sums = { "rootfs.ext4.zst" : "ad2f1dc436ab51583543d25d2c210cab478645d47078d30d129a66ab0e281d76", "vmlinux" : "e34313e4325ff21deaa3d38a502aa09a373ef62b9bd4d7f8f29388b688225c55" } self.common_tuxrun(csums=sums, drive="driver=ide-hd,bus=ide.0,unit=0") def test_x86_64(self): """ :avocado: tags=arch:x86_64 :avocado: tags=machine:q35 :avocado: tags=cpu:Nehalem :avocado: tags=tuxboot:x86_64 :avocado: tags=image:bzImage :avocado: tags=root:sda :avocado: tags=shutdown:nowait """ sums = { "bzImage" : "2bc7480a669ee9b6b82500a236aba0c54233debe98cb968268fa230f52f03461", "rootfs.ext4.zst" : "b72ac729769b8f51c6dffb221113c9a063c774dbe1d66af30eb593c4e9999b4b" } self.common_tuxrun(csums=sums, drive="driver=ide-hd,bus=ide.0,unit=0")