Re: [Qemu-devel] [PATCH] qapi: add 'query-target' command to return target arch/bit size

[Daniel P. Berrange]

On Mon, Aug 20, 2012 at 04:02:39PM -0300, Luiz Capitulino wrote:
> On Mon, 20 Aug 2012 15:31:38 +0100
> "Daniel P. Berrange" <address@hidden> wrote:
> 
> > From: "Daniel P. Berrange" <address@hidden>
> > 
> > Add a 'query-target' QAPI command to allow management applications
> > to determine what target architecture a QEMU binary is emulating
> > without having to parse the binary name or -help output
> > 
> >   $ qmp-shell -p /tmp/qemu
> >   (QEMU) query-target
> >   {   u'return': {   u'arch': u'x86_64', u'bits': 64}}
> > 
> > Signed-off-by: Daniel P. Berrange <address@hidden>
> > ---
> >  arch_init.c      | 11 +++++++++++
> >  qapi-schema.json | 25 +++++++++++++++++++++++++
> >  qmp-commands.hx  |  5 +++++
> >  3 files changed, 41 insertions(+)
> > 
> > diff --git a/arch_init.c b/arch_init.c
> > index 9b46bfc..095672d 100644
> > --- a/arch_init.c
> > +++ b/arch_init.c
> > @@ -1080,3 +1080,14 @@ int xen_available(void)
> >      return 0;
> >  #endif
> >  }
> > +
> > +
> > +TargetInfo *qmp_query_target(Error **errp)
> > +{
> > +    TargetInfo *info = g_malloc0(sizeof(*info));
> > +
> > +    info->arch = g_strdup(TARGET_ARCH);
> > +    info->bits = TARGET_PHYS_ADDR_BITS;
> > +
> > +    return info;
> > +}
> > diff --git a/qapi-schema.json b/qapi-schema.json
> > index 3d2b2d1..f0e3fe0 100644
> > --- a/qapi-schema.json
> > +++ b/qapi-schema.json
> > @@ -2454,3 +2454,28 @@
> >  #
> >  ##
> >  { 'command': 'query-fdsets', 'returns': ['FdsetInfo'] }
> > +
> > +##
> > +# @TargetInfo:
> > +#
> > +# Information describing the QEMU target.
> > +#
> > +# @arch: the name of the target architecture (eg "x86_64", "i686", etc)
> 
> Should be an enum, otherwise looks good.

Really ? It feels a little bit odd to make this an enum IMHO.

Daniel
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