From: Wen Congyang <wency@cn.fujitsu.com>
To: Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Alberto Garcia <berto@igalia.com>,
zhanghailiang <zhang.zhanghailiang@huawei.com>,
qemu block <qemu-block@nongnu.org>,
Jiang Yunhong <yunhong.jiang@intel.com>,
Dong Eddie <eddie.dong@intel.com>,
qemu devel <qemu-devel@nongnu.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Gonglei <arei.gonglei@huawei.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Yang Hongyang <yanghy@cn.fujitsu.com>
Subject: Re: [Qemu-devel] [PATCH v3 1/5] support nbd driver in blockdev-add
Date: Tue, 15 Sep 2015 11:58:19 +0800 [thread overview]
Message-ID: <55F7975B.4050405@cn.fujitsu.com> (raw)
In-Reply-To: <55F794A4.5060903@redhat.com>
On 09/15/2015 11:46 AM, Eric Blake wrote:
> On 09/14/2015 08:27 PM, Wen Congyang wrote:
>>> Building fails:
>>> GEN qmp-commands.h
>>> In file included from /work/src/qemu/qapi-schema.json:9:
>>> In file included from /work/src/qemu/qapi/block.json:6:
>>> /work/src/qemu/qapi/block-core.json:1844: Flat union 'BlockdevOptionsNBD' must have a string base field
>>> Makefile:286: recipe for target 'qmp-commands.h' failed
>>> make: *** [qmp-commands.h] Error 1
>
> Yep, doesn't work until pending qapi patches land.
This patchset: qapi: QMP introspection?
>
>>>
>>> What about this:
>>> { 'struct': 'BlockdevOptionsNBDBase',
>>> 'data': { 'transport': 'NBDTransport', 'export': 'str' } }
>>> { 'union': 'BlockdevOptionsNBD',
>>> 'base': 'BlockdevOptionsNBDBase',
>>> 'discriminator': 'transport',
>>> 'data': { 'unix': 'NBDUnix', 'tcp': 'NBDInet', 'udp': 'NBDInet' } }
>>
>> Another problem:
>> In file included from /work/src/qemu/qapi-schema.json:9:
>> In file included from /work/src/qemu/qapi/block.json:6:
>> /work/src/qemu/qapi/block-core.json:1866: Member 'nbd' of union 'BlockdevOptions' cannot use union type 'BlockdevOptionsNBD'
>> Makefile:286: recipe for target 'qmp-commands.h' failed
>
> Yep. Artificial restriction; we hope to lift it soon, but don't have
> enough qapi patches in place for that one yet (I have not posted my work
> in progress to get us that far).
>
> Possible workaround in the meantime - instead of trying to go with a
> nice flat union (where all QMP keys are in the same {} level), we can
> use nesting (structs that add another {} to include the unions).
How to include the unions to a structs? Use 'base'?
Thanks
Wen Congyang
>
next prev parent reply other threads:[~2015-09-15 3:59 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-10 9:55 [Qemu-devel] [PATCH v3 0/5] qapi: child add/delete support Wen Congyang
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 1/5] support nbd driver in blockdev-add Wen Congyang
2015-09-14 14:27 ` Markus Armbruster
2015-09-14 15:47 ` Eric Blake
2015-09-15 1:39 ` Wen Congyang
2015-09-15 7:37 ` Markus Armbruster
2015-09-15 8:01 ` Wen Congyang
2015-09-15 11:12 ` Markus Armbruster
2015-09-16 5:59 ` Wen Congyang
2015-09-16 8:21 ` Markus Armbruster
2015-09-16 8:24 ` Wen Congyang
2015-09-16 11:18 ` Markus Armbruster
2015-09-16 14:53 ` [Qemu-devel] [Qemu-block] " Eric Blake
2015-09-17 1:06 ` Wen Congyang
2015-09-17 1:04 ` [Qemu-devel] " Wen Congyang
2015-09-17 5:01 ` Markus Armbruster
2015-09-15 13:03 ` Eric Blake
2015-09-15 13:26 ` Kevin Wolf
2015-09-15 2:20 ` Wen Congyang
2015-09-15 2:27 ` Wen Congyang
2015-09-15 3:46 ` Eric Blake
2015-09-15 3:58 ` Wen Congyang [this message]
2015-09-15 13:11 ` Eric Blake
2015-09-16 7:11 ` Wen Congyang
2015-09-16 14:55 ` Eric Blake
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 2/5] Add new block driver interface to add/delete a BDS's child Wen Congyang
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 3/5] quorum: implement bdrv_add_child() and bdrv_del_child() Wen Congyang
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 4/5] qmp: add monitor command to add/remove a child Wen Congyang
2015-09-10 10:04 ` Daniel P. Berrange
2015-09-10 10:34 ` Wen Congyang
2015-09-14 14:36 ` Markus Armbruster
2015-09-14 15:34 ` Kevin Wolf
2015-09-14 16:09 ` Markus Armbruster
2015-09-15 2:40 ` Wen Congyang
2015-09-15 7:49 ` Markus Armbruster
2015-09-15 7:57 ` Wen Congyang
2015-09-16 6:31 ` Wen Congyang
2015-09-16 8:29 ` Markus Armbruster
2015-09-14 15:37 ` Kevin Wolf
2015-09-15 2:33 ` Wen Congyang
2015-09-15 8:56 ` Alberto Garcia
2015-09-15 9:20 ` Kevin Wolf
2015-09-15 9:26 ` [Qemu-devel] [Qemu-block] " Kevin Wolf
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 5/5] hmp: " Wen Congyang
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