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iotests/qcow2.py: Split feature fields into bits

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Print the feature fields as a set of bits so that filtering is easier.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-4-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2019-11-07 17:36:49 +01:00
parent 1aa6630e7b
commit 0485e6ee4c
7 changed files with 99 additions and 89 deletions
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18
tests/qemu-iotests/qcow2.py
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@ -42,9 +42,9 @@ class QcowHeader:
[ uint64_t, '%#x', 'snapshot_offset' ],
# Version 3 header fields
[ uint64_t, '%#x', 'incompatible_features' ],
[ uint64_t, '%#x', 'compatible_features' ],
[ uint64_t, '%#x', 'autoclear_features' ],
[ uint64_t, 'mask', 'incompatible_features' ],
[ uint64_t, 'mask', 'compatible_features' ],
[ uint64_t, 'mask', 'autoclear_features' ],
[ uint32_t, '%d', 'refcount_order' ],
[ uint32_t, '%d', 'header_length' ],
];
@ -130,7 +130,17 @@ class QcowHeader:
def dump(self):
for f in QcowHeader.fields:
print("%-25s" % f[2], f[1] % self.__dict__[f[2]])
value = self.__dict__[f[2]]
if f[1] == 'mask':
bits = []
for bit in range(64):
if value & (1 << bit):
bits.append(bit)
value_str = str(bits)
else:
value_str = f[1] % value
print("%-25s" % f[2], value_str)
print("")
def dump_extensions(self):