45117fd75e
- put the doc strings in the right locations (after the "def" line) - use the right indentation (4 spaces) Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-ID: <20251015095454.1575318-7-thuth@redhat.com>
39 lines
986 B
Python
39 lines
986 B
Python
# Utilities for python-based QEMU tests
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#
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# Copyright 2024 Red Hat, Inc.
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#
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# Authors:
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# Thomas Huth <thuth@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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from qemu.utils import get_info_usernet_hostfwd_port
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def get_usernet_hostfwd_port(vm):
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res = vm.cmd('human-monitor-command', command_line='info usernet')
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return get_info_usernet_hostfwd_port(res)
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def pow2ceil(x):
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"""
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Round up to next power of 2
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"""
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return 1 if x == 0 else 2**(x - 1).bit_length()
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def file_truncate(path, size):
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if size != os.path.getsize(path):
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with open(path, 'ab+') as fd:
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fd.truncate(size)
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def image_pow2ceil_expand(path):
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"""
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Expand file size to next power of 2
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"""
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size = os.path.getsize(path)
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size_aligned = pow2ceil(size)
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if size != size_aligned:
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with open(path, 'ab+') as fd:
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fd.truncate(size_aligned)
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