[libvirt] [PATCH 1/2] qemu_monitor: Fix tray-open attribute in query-block

Michal Privoznik mprivozn at redhat.com
Fri Jan 25 13:33:50 UTC 2013


On 25.01.2013 14:31, Eric Blake wrote:
> On 01/25/2013 06:05 AM, Peter Krempa wrote:
>> On 01/25/13 13:20, Michal Privoznik wrote:
>>> With our code, we fail to query for tray-open attribute currently.
>>> That's because in HMP it is 'tray-open' and in QMP it's 'tray_open'.
>>> It always has been. However, we got it exactly the opposite.
>>> ---
>>>   src/qemu/qemu_monitor_json.c | 2 +-
>>>   src/qemu/qemu_monitor_text.c | 6 +++---
>>>   2 files changed, 4 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
>>> index de5f115..0aa3bcb 100644
>>> --- a/src/qemu/qemu_monitor_json.c
>>> +++ b/src/qemu/qemu_monitor_json.c
>>> @@ -1588,7 +1588,7 @@ int qemuMonitorJSONGetBlockInfo(qemuMonitorPtr mon,
>>>           /* Don't check for success here, because 'tray-open' is
>>> presented iff
>>>            * medium is ejected.
>>>            */
>>> -        ignore_value(virJSONValueObjectGetBoolean(dev, "tray-open",
>>> +        ignore_value(virJSONValueObjectGetBoolean(dev, "tray_open",
>>>                                                     &info->tray_open));
>>
>> Indeed. The returned value is with the underscore, while the
>> documentation uses the dash.
> 
> Where did you find that?  Because qemu.git/qapi-schema.json says:
> 
> { 'type': 'BlockInfo',
>   'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
>            'locked': 'bool', '*inserted': 'BlockDeviceInfo',
>            '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus',
>            '*dirty': 'BlockDirtyInfo' } }
> 
> with the underscore, and that's the file I refer to for documentation of
> QMP.
> 

qmp-commands.hx:- "tray-open": only present if removable, true if the
device has a tray,




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