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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2020-06-06 11:18:05 +0300 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2020-06-09 15:47:10 -0500 |
| commit | aef87784f93b9e7e07ea7b2ee9dee4c257c1881f (patch) | |
| tree | 6427f725fc3857ce9ef3c930cad0828ed552b203 /tests/qemu-iotests/qcow2_format.py | |
| parent | a9e750e1ce0bfcca1ff51c71e66eb4b0f66061a8 (diff) | |
| download | focaccia-qemu-aef87784f93b9e7e07ea7b2ee9dee4c257c1881f.tar.gz focaccia-qemu-aef87784f93b9e7e07ea7b2ee9dee4c257c1881f.zip | |
qcow2: QcowHeaderExtension print names for extension magics
Suggested-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200606081806.23897-13-vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'tests/qemu-iotests/qcow2_format.py')
| -rw-r--r-- | tests/qemu-iotests/qcow2_format.py | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_format.py index 32371e42da..40b5bf467b 100644 --- a/tests/qemu-iotests/qcow2_format.py +++ b/tests/qemu-iotests/qcow2_format.py @@ -39,6 +39,12 @@ class Flags64(Qcow2Field): return str(bits) +class Enum(Qcow2Field): + + def __str__(self): + return f'{self.value:#x} ({self.mapping.get(self.value, "<unknown>")})' + + class Qcow2StructMeta(type): # Mapping from c types to python struct format @@ -99,8 +105,17 @@ class Qcow2Struct(metaclass=Qcow2StructMeta): class QcowHeaderExtension(Qcow2Struct): + class Magic(Enum): + mapping = { + 0xe2792aca: 'Backing format', + 0x6803f857: 'Feature table', + 0x0537be77: 'Crypto header', + 0x23852875: 'Bitmaps', + 0x44415441: 'Data file' + } + fields = ( - ('u32', '{:#x}', 'magic'), + ('u32', Magic, 'magic'), ('u32', '{}', 'length') # length bytes of data follows # then padding to next multiply of 8 |