From: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, vsementsov@virtuozzo.com,
qemu-devel@nongnu.org, mreitz@redhat.com,
andrey.shinkevich@virtuozzo.com, den@openvz.org
Subject: [PATCH v12 04/11] qcow2_format.py: dump bitmap flags in human readable way.
Date: Thu, 30 Jul 2020 17:15:05 +0300 [thread overview]
Message-ID: <1596118512-424960-5-git-send-email-andrey.shinkevich@virtuozzo.com> (raw)
In-Reply-To: <1596118512-424960-1-git-send-email-andrey.shinkevich@virtuozzo.com>
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>
---
tests/qemu-iotests/qcow2_format.py | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_format.py
index d4a9974..b447344 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):
--
1.8.3.1
next prev parent reply other threads:[~2020-07-30 14:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-30 14:15 [PATCH v12 00/11] iotests: Dump QCOW2 dirty bitmaps metadata Andrey Shinkevich
2020-07-30 14:15 ` [PATCH v12 01/11] iotests: add test for QCOW2 header dump Andrey Shinkevich
2020-07-30 19:05 ` Eric Blake
2020-07-31 7:28 ` Andrey Shinkevich
2020-08-05 11:23 ` Vladimir Sementsov-Ogievskiy
2020-08-05 12:10 ` Andrey Shinkevich
2020-07-30 14:15 ` [PATCH v12 02/11] qcow2_format.py: make printable data an extension class member Andrey Shinkevich
2020-07-30 14:15 ` [PATCH v12 03/11] qcow2_format.py: change Qcow2BitmapExt initialization method Andrey Shinkevich
2020-07-30 14:15 ` Andrey Shinkevich [this message]
2020-07-30 14:15 ` [PATCH v12 05/11] qcow2_format.py: Dump bitmap directory information Andrey Shinkevich
2020-07-30 14:15 ` [PATCH v12 06/11] qcow2_format.py: pass cluster size to substructures Andrey Shinkevich
2020-07-30 14:15 ` [PATCH v12 07/11] qcow2_format.py: Dump bitmap table serialized entries Andrey Shinkevich
2020-08-05 15:57 ` Vladimir Sementsov-Ogievskiy
2020-07-30 14:15 ` [PATCH v12 08/11] qcow2.py: Introduce '-j' key to dump in JSON format Andrey Shinkevich
2020-08-05 16:12 ` Vladimir Sementsov-Ogievskiy
2020-07-30 14:15 ` [PATCH v12 09/11] qcow2_format.py: collect fields " Andrey Shinkevich
2020-08-05 16:58 ` Vladimir Sementsov-Ogievskiy
2020-08-06 9:08 ` Andrey Shinkevich
2020-08-06 9:18 ` Vladimir Sementsov-Ogievskiy
2020-07-30 14:15 ` [PATCH v12 10/11] qcow2_format.py: support dumping metadata " Andrey Shinkevich
2020-08-05 17:04 ` Vladimir Sementsov-Ogievskiy
2020-07-30 14:15 ` [PATCH v12 11/11] iotests: dump QCOW2 header in JSON in #303 Andrey Shinkevich
2020-08-05 17:08 ` Vladimir Sementsov-Ogievskiy
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