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qemu-replies-tool: Dump 'device-list-properties'

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The order of properties in 'device-list-properties' can hange
arbitrarily and git is not great at picking the contexts in JSON to help
seeing what changed.

The new --dump-device-list-properties produces a stable order of
properties and dumps also the type and default value mainly useful for
comparing two .replies files.

Example output:

$ ./scripts/qemu-replies-tool.py tests/qemucapabilitiesdata/caps_9.0.0_x86_64.replies --dump-device-list-properties
(dev) ICH9-LPC acpi-index uint32 (0)
(dev) ICH9-LPC acpi-pci-hotplug-with-bridge-support bool
(dev) ICH9-LPC acpi_disable_cmd uint8
(dev) ICH9-LPC acpi_enable_cmd uint8
(dev) ICH9-LPC addr int32 (-1)
(dev) ICH9-LPC cpu-hotplug-legacy bool
(dev) ICH9-LPC disable_s3 uint8
(dev) ICH9-LPC disable_s4 uint8

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Peter Krempa 2024-01-04 13:22:34 +01:00
parent 910e25afa3
commit 610f1300c5
1 changed files with 38 additions and 0 deletions
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38
scripts/qemu-replies-tool.py
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@ -404,6 +404,32 @@ def dump_qom_list_types(conv):
print('(qom) ' + t)
def dump_device_list_properties(conv):
devices = []
for (cmd, rep) in conv:
if cmd['execute'] == 'device-list-properties':
if 'return' in rep:
for arg in rep['return']:
for k in arg:
if k not in ['name', 'type', 'description', 'default-value']:
raise Exception("Unhandled 'device-list-properties' typename '%s' field '%s'" % (cmd['arguments']['typename'], k))
if 'default-value' in arg:
defval = ' (%s)' % str(arg['default-value'])
else:
defval = ''
devices.append('%s %s %s%s' % (cmd['arguments']['typename'],
arg['name'],
arg['type'],
defval))
devices.sort()
for d in devices:
print('(dev) ' + d)
def process_one(filename, args):
try:
conv = qemu_replies_load(filename)
@ -423,6 +449,10 @@ def process_one(filename, args):
dump_qom_list_types(conv)
dumped = True
if args.dump_all or args.dump_device_list_properties:
dump_device_list_properties(conv)
dumped = True
if dumped:
return True
@ -472,6 +502,11 @@ functional impact on libvirt.
Dumps all types returned by 'qom-list-types' in a stable order with the
'parent' property dropped as it's not relevant for libvirt.
--dump-device-list-properties
Dumps all properties of all devices queried by libvirt in stable order
along with types and default values.
The tool can be also used to programmaticaly modify the '.replies' file by
editing the 'modify_replies' method directly in the source, or for
re-formatting and re-numbering the '.replies' file to conform with the required
@ -505,6 +540,9 @@ parser.add_argument('--dump-qmp-query-strings', action='store_true',
parser.add_argument('--dump-qom-list-types', action='store_true',
help='dump data from qom-list-types in a stable order')
parser.add_argument('--dump-device-list-properties', action='store_true',
help='dump all devices and their properties')
args = parser.parse_args()
files = []