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| author | Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> | 2020-08-06 22:35:50 +0300 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2020-08-21 08:56:09 -0500 |
| commit | 82cb8223248df5276467618638d1262d0b311c33 (patch) | |
| tree | bd5b13ec0ae9a5497581327269b41edec7bd4d90 | |
| parent | 991a02ca7f886fb7935d8d64e50ffe72af281e7c (diff) | |
qcow2_format.py: dump bitmap flags in human readable way.
Introduce the class BitmapFlags that parses a bitmap flags mask.
Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <1596742557-320265-5-git-send-email-andrey.shinkevich@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
| -rw-r--r-- | tests/qemu-iotests/qcow2_format.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_format.py index d4a9974537..b4473442c9 100644 --- a/tests/qemu-iotests/qcow2_format.py +++ b/tests/qemu-iotests/qcow2_format.py @@ -40,6 +40,22 @@ class Flags64(Qcow2Field): return str(bits) +class BitmapFlags(Qcow2Field): + + flags = { + 0x1: 'in-use', + 0x2: 'auto' + } + + def __str__(self): + bits = [] + for bit in range(64): + flag = self.value & (1 << bit) + if flag: + bits.append(self.flags.get(flag, f'bit-{bit}')) + return f'{self.value:#x} ({bits})' + + class Enum(Qcow2Field): def __str__(self): |