e0522eff89
The test_kvm test runs the virt board with virtualization=on, which will fail if run with an accelerator that doesn't support nested virtualization. Catch the VMLaunchFailure exception and skip the test if startup failed because the accelerator can't support virtualization. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20260507194728.2034696-5-peter.maydell@linaro.org
78 lines
2.6 KiB
Python
Executable File
78 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Functional test that runs subsets of kvm-unit-tests on Aarch64.
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# These can run on TCG and any accelerator supporting nested
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# virtualisation.
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#
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# Copyright (c) 2025 Linaro
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#
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# Author:
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# Alex Bennée <alex.bennee@linaro.org>
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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from qemu_test import Asset
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from qemu_test import exec_command_and_wait_for_pattern as ec_and_wait
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from qemu_test.linuxkernel import LinuxKernelTest
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from qemu.machine.machine import VMLaunchFailure
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class Aarch64VirtKVMTests(LinuxKernelTest):
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ASSET_KVM_TEST_KERNEL = Asset(
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'https://share.linaro.org/downloadFile?id=Bs8Eb2Wb7yWtkTA',
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'34de4aaea90db5da42729e7d28b77f392c37a2f4da859f889a5234aaf0970696')
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# make it easier to detect successful return to shell
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PS1 = 'RES=[$?] # '
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OK_CMD = 'RES=[0] # '
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# base of tests
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KUT_BASE = "/usr/share/kvm-unit-tests/"
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def _launch_guest(self, kvm_mode="nvhe"):
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self.set_machine('virt')
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kernel_path = self.ASSET_KVM_TEST_KERNEL.fetch()
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self.vm.set_console()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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f"console=ttyAMA0 kvm-arm.mode={kvm_mode}")
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self.vm.add_args("-cpu", "max")
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self.vm.add_args("-machine", "virt,gic-version=3,virtualization=on",
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'-kernel', kernel_path,
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'-append', kernel_command_line)
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self.vm.add_args("-smp", "2", "-m", "320")
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try:
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self.vm.launch()
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except VMLaunchFailure as excp:
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if "does not support providing Virtualization" in excp.output:
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self.skipTest("accelerator has no virtualization support")
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else:
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self.log.info("unhandled launch failure: %s", excp.output)
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raise excp
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self.wait_for_console_pattern('buildroot login:')
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ec_and_wait(self, 'root', '#')
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ec_and_wait(self, f"export PS1='{self.PS1}'", self.OK_CMD)
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# this is just a smoketest, we don't run all the tests in the image
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def _smoketest_kvm(self):
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-setup", self.OK_CMD)
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-smp", self.OK_CMD)
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-vectors-kernel", self.OK_CMD)
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ec_and_wait(self, f"{self.KUT_BASE}/selftest-vectors-user", self.OK_CMD)
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def test_aarch64_nvhe_selftest(self):
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self._launch_guest("nvhe")
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self._smoketest_kvm()
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def test_aarch64_vhe_selftest(self):
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self._launch_guest("vhe")
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self._smoketest_kvm()
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if __name__ == '__main__':
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LinuxKernelTest.main()
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