Re: [Qemu-devel] [PATCH 16/16] Make qemu-io commands available in the monitor

[Kevin Wolf <kwolf@redhat.com>]

Am 29.05.2013 um 19:51 hat Luiz Capitulino geschrieben:
> On Wed, 29 May 2013 10:13:42 +0200
> Kevin Wolf <kwolf@redhat.com> wrote:
> 
> > Am 28.05.2013 um 18:07 hat Eric Blake geschrieben:
> > > On 05/28/2013 09:27 AM, Kevin Wolf wrote:
> > > > The QMP version is flagged with a __org.qemu.debug- prefix in order to
> > > > reinforce the statement that qemu-io is for testing and debugging only,
> > > > with no API guarantees.
> > > 
> > > Correct use of naming conventions.
> > > 
> > > Hmm, I wonder if the recent addition of an 'abort' action to
> > > 'transaction' should be renamed __org.qemu.debug-abort, to make it
> > > obvious that it is another case of a QMP command useful mainly for
> > > testing, and not real-life use.
> > 
> > Makes sense to me.
> > 
> > But first I'd like to get Luiz's ack for this, because I think I'm the
> > first one to use an __org.qemu prefix, and I'm the first one trying to
> > introduce a QMP command without API stability.
> 
> I think that should be fine. However, it's not a perfect match for QMP
> as you don't expect mngt to use it anytime soon and that the command's
> syntax is not QMP friendly:
> 
> > { "execute": "__org.qemu.debug-qemu-io-command", "arguments":
> >     { "device": "ide0-hd0", "command": "write -P 0x12 4M 512k" } }
> 
> What about adding a HMP-only command (the good old way) and use it
> through human-monitor-command?
> 
> IMO, this matches better your current use-case and the API instability
> of the command.

Works for me, but wasn't the plan to make HMP purely a wrapper around
QMP? Then adding HMP-only commands would be counterproductive. So I
assumed that QMP is a must. I didn't even know that the code still
allows you to have HMP-only commands. :-)

So you prefer a respin with the QMP part dropped?

Kevin