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ebbc04adbb
This is a simple test case that runs an image with kvmtool and kvm-unit-tests which can validate virtualisation works. This is useful for exercising TCG but can also be applied to any nested virt setup which is why it doesn't specify an accelerator. Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Tested-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-ID: <20250725154517.3523095-7-alex.bennee@linaro.org>
72 lines
2.3 KiB
Python
Executable File
72 lines
2.3 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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class Aarch64VirtKVMTests(LinuxKernelTest):
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ASSET_KVM_TEST_KERNEL = Asset(
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'https://fileserver.linaro.org/s/HmjaxXXYHYSqbes/'
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'download?path=%2F&files='
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'image-with-kvm-tool-and-unit-tests.gz',
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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", "cortex-a72")
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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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self.vm.launch()
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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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