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e579bb528c
Signed-off-by: Siddhi Katage <siddhi.katage@oracle.com> Message-ID: <20260210113135.771697-1-siddhi.katage@oracle.com> [thuth: Add the new .py file to the MAINTAINERS file] Signed-off-by: Thomas Huth <th.huth@posteo.eu>
87 lines
2.7 KiB
Python
Executable File
87 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Functional test that hotplugs a virtio scsi disk and checks it on a Linux
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# guest
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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from qemu_test import LinuxKernelTest, Asset, exec_command_and_wait_for_pattern
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class HotPlugScsi(LinuxKernelTest):
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ASSET_KERNEL = Asset(
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('https://archives.fedoraproject.org/pub/archive/fedora/linux/releases'
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'/31/Server/x86_64/os/images/pxeboot/vmlinuz'),
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'd4738d03dbbe083ca610d0821d0a8f1488bebbdccef54ce33e3adb35fda00129')
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ASSET_INITRD = Asset(
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('https://archives.fedoraproject.org/pub/archive/fedora/linux/releases'
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'/31/Server/x86_64/os/images/pxeboot/initrd.img'),
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'277cd6c7adf77c7e63d73bbb2cded8ef9e2d3a2f100000e92ff1f8396513cd8b')
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def blockdev_add(self) -> None:
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self.vm.cmd('blockdev-add', **{
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'driver': 'null-co',
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'size': 1073741824,
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'node-name': 'disk0'
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})
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def add_scsi_controller(self) -> None:
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self.vm.cmd('device_add', {
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'driver': 'virtio-scsi-pci',
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'id': 'scsi0',
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'bus': 'pci.1',
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'addr': '1',
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})
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def assert_sda(self) -> None:
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exec_command_and_wait_for_pattern(self, 'while ! test -e /sys/block/sda ;'
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' do sleep 0.2 ; done', '# ')
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def assert_no_sda(self) -> None:
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exec_command_and_wait_for_pattern(self, 'while test -e /sys/block/sda ;'
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' do sleep 0.2 ; done', '# ')
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def plug(self) -> None:
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args = {
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'driver':'scsi-hd',
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'drive':'disk0',
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'bus':'scsi0.0',
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'id':'scsi-disk0',
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}
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self.assert_no_sda()
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self.vm.cmd('device_add', args)
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self.wait_for_console_pattern('[sda] Attached SCSI disk')
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self.assert_sda()
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def unplug(self) -> None:
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self.vm.cmd('device_del', id='scsi-disk0')
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self.vm.event_wait('DEVICE_DELETED', 1.0,
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match={'data': {'device': 'scsi-disk0'}})
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self.assert_no_sda()
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def test(self) -> None:
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self.require_accelerator('kvm')
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self.set_machine('q35')
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self.vm.add_args('-accel', 'kvm')
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self.vm.add_args('-device', 'pcie-pci-bridge,id=pci.1,bus=pcie.0')
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self.vm.add_args('-m', '1G')
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self.vm.add_args('-append', 'console=ttyS0 rd.rescue')
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self.launch_kernel(self.ASSET_KERNEL.fetch(),
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self.ASSET_INITRD.fetch(),
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wait_for='Entering emergency mode.')
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self.wait_for_console_pattern('# ')
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self.blockdev_add()
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self.add_scsi_controller()
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self.plug()
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self.unplug()
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if __name__ == '__main__':
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LinuxKernelTest.main()
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